Routing Table Report 04:00 +10GMT Wed 01 Dec, 2004
Analysis Summary
----------------
BGP routing table entries examined: 151597
Prefixes after maximum aggregation: 89358
Unique aggregates announced to Internet: 72583
Total ASes present in the Internet Routing Table: 18547
Origin-only ASes present in the Internet Routing Table: 16089
Origin ASes announcing only one prefix: 7564
Transit ASes present in the Internet Routing Table: 2458
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 17
Prefixes from unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 16
Number of addresses announced to Internet: 1357105000
Equivalent to 80 /8s, 227 /16s and 199 /24s
Percentage of available address space announced: 36.6
Percentage of allocated address space announced: 59.2
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 70038
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 29387
Total APNIC prefixes after maximum aggregation: 14509
Prefixes being announced from the APNIC address blocks: 27438
Unique aggregates announced from the APNIC address blocks: 14346
APNIC Region origin ASes present in the Internet Routing Table: 2164
APNIC Region origin ASes announcing only one prefix: 649
APNIC Region transit ASes present in the Internet Routing Table: 333
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 167908352
Equivalent to 10 /8s, 2 /16s and 20 /24s
Percentage of available APNIC address space announced: 76.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 85892
Total ARIN prefixes after maximum aggregation: 52056
Prefixes being announced from the ARIN address blocks: 65709
Unique aggregates announced from the ARIN address blocks: 23604
ARIN Region origin ASes present in the Internet Routing Table: 9742
ARIN Region origin ASes announcing only one prefix: 3525
ARIN Region transit ASes present in the Internet Routing Table: 959
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 235874048
Equivalent to 14 /8s, 15 /16s and 39 /24s
Percentage of available ARIN address space announced: 70.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647,29695-30719, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 28459
Total RIPE prefixes after maximum aggregation: 19726
Prefixes being announced from the RIPE address blocks: 25223
Unique aggregates announced from the RIPE address blocks: 16566
RIPE Region origin ASes present in the Internet Routing Table: 6075
RIPE Region origin ASes announcing only one prefix: 3251
RIPE Region transit ASes present in the Internet Routing Table: 1041
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 181278976
Equivalent to 10 /8s, 206 /16s and 25 /24s
Percentage of available RIPE address space announced: 63.6
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-34815
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 6588
Total LACNIC prefixes after maximum aggregation: 2367
Prefixes being announced from the LACNIC address blocks: 6473
Unique aggregates announced from the LACNIC address blocks: 3994
LACNIC Region origin ASes present in the Internet Routing Table: 404
LACNIC Region origin ASes announcing only one prefix: 119
LACNIC Region transit ASes present in the Internet Routing Table: 80
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 16750592
Equivalent to 0 /8s, 255 /16s and 152 /24s
Percentage of available LACNIC address space announced: 49.9
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1253
Total AfriNIC prefixes after maximum aggregation: 700
Prefixes being announced from the AfriNIC address blocks: 861
Unique aggregates announced from the AfriNIC address blocks: 670
AfriNIC Region origin ASes present in the Internet Routing Table: 93
AfriNIC Region origin ASes announcing only one prefix: 20
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2088704
Equivalent to 0 /8s, 31 /16s and 223 /24s
Percentage of available AfriNIC address space announced: 12.4
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 861 4389 163 Data Communications Bureau
1221 791 1182 568 Telstra Pty Ltd
9583 553 47 40 Satyam Infoway Ltd.,
4766 547 3408 268 Korea Internet Exchange for "
4755 396 134 70 Videsh Sanchar Nigam Ltd. Aut
17676 387 5804 57 XTAGE CORPORATION
9443 356 69 80 Primus Telecommunications
2907 354 1857 328 SINET Japan
9929 349 162 34 China Netcom Corp.
703 322 350 247 UUNET
17557 319 23 157 Pakistan Telecom
2764 284 272 232 connect.com.au pty ltd
7474 272 268 203 Optus Communications Pty Ltd
4802 233 28 141 Wantree Development
9800 232 381 71 CHINA UNICOM
9498 230 81 53 BHARTI BT INTERNET LTD.
7563 227 48 164 Korea Internet Infrastructure
10036 217 20 198 C&M Communication Co. Ltd.
9942 212 72 121 COMindico Australia
4814 210 232 6 China Telecom (Group)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1418 6632 984 AT&T WorldNet Services
701 1238 8384 884 UUNET Technologies, Inc.
721 1040 21084 305 DLA Systems Automation Center
1239 935 2880 609 Sprint
2386 851 531 612 AT&T Data Communications Serv
6197 811 381 352 BellSouth Network Solutions,
4323 810 672 221 Time Warner Telecom
18566 754 208 6 Covad Communications
209 654 3427 507 Qwest
3356 637 10961 462 Level 3 Communications, LLC
20115 592 461 316 Charter Communications
3561 548 2376 416 Cable & Wireless USA
852 519 1142 402 Telus Advanced Communications
7843 477 724 89 Adelphia Corp.
7132 452 8290 384 SBC Internet Services
27364 446 36 19 Armstrong Cable Services
6198 440 378 204 BellSouth Network Solutions,
6478 440 776 100 AT&T Worldnet Services
5668 417 87 18 Century Telephone
22909 415 881 59 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 634 2027 524 UUNET - Commercial IP service
3320 303 2997 237 Deutsche Telekom AG
8220 280 464 265 COLT Internet - International
3301 279 1100 270 TeliaNet Sweden
21502 273 40 3 NUMERICABLE is a cabled netwo
3300 256 167 82 AUCS Communications Services
680 251 2025 239 DFN-IP service G-WiN
3246 227 479 218 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 210 722 175 SWIPnet Swedish IP Network
8708 202 116 186 Romania Data Systems S.A.
5515 193 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 163 972 78 France Telecom Transpac
8866 161 20 7 Bulgarian Telecommunication C
719 158 322 105 LANLINK autonomous system
6746 158 46 128 Dynamic Network Technologies,
3269 153 1297 69 TELECOM ITALIA
25186 146 154 102 France Telecom Transpac's Tra
3303 132 611 128 Swisscom Ltd
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 311 471 137 UniNet S.A. de C.V.
6140 305 138 73 ImpSat
16814 217 13 7 NSS, S.A.
11172 210 99 55 Servicios Alestra S.A de C.V
6147 192 94 20 Telefonica Del Peru
11664 155 12 30 Keytech SA
7303 145 67 24 Telecom Argentina Stet-France
6505 141 90 97 Global One Communicaoes Ltda
6503 124 148 83 AVANTEL, S.A.
11992 103 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
11311 86 8 23 Sinectis S.A.
6535 85 7 18 Chilesat Servicios Empresari
13999 85 52 9 Mega Cable S.A. de C.V.
10481 82 32 7 Prima S.A.
4270 79 17 8 Red de Interconexion Universi
14420 79 5 41 ANDINATEL S.A.
5639 77 8 8 Telecommunications Services o
15311 77 23 37 Telefonica Empresas
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 269 636 226 The Internet Solution
5536 111 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 94 276 73 The Internetworking Company o
20928 54 16 1 Noor Advanced Technologies AS
24835 42 34 7 RAYA Telecom - Egypt
9129 32 3 2 UUNET Kenya
6713 30 38 9 Itissalat Al-MAGHRIB
5713 28 141 25 Telkom SA Ltd
8524 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
12455 20 6 4 Jambonet Autonomous system
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8452 17 20 5 TEDATA
21280 16 2 3 Swift Global Kenya Ltd.Is an
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
21491 14 1 3 UTL On-line is RF broadband I
15808 13 1 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 754 748 Covad Communications
721 1040 735 DLA Systems Automation Center
4134 861 698 Data Communications Bureau
4323 810 589 Time Warner Telecom
9583 553 513 Satyam Infoway Ltd.,
6197 811 459 BellSouth Network Solutions,
27364 446 427 Armstrong Cable Services
5668 417 399 Century Telephone
7843 477 388 Adelphia Corp.
22773 405 385 Cox Communications, Inc. Atla
22909 415 356 Comcast Cable Corporation
701 1238 354 UUNET Technologies, Inc.
6467 379 348 E.Spire Communications, Inc.
6478 440 340 AT&T Worldnet Services
17676 387 330 XTAGE CORPORATION
1239 935 326 Sprint
4755 396 326 Videsh Sanchar Nigam Ltd. Aut
9929 349 315 China Netcom Corp.
4355 392 293 EarthLink, Inc.
4766 547 279 Korea Internet Exchange for "
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65512 PRIVATE 198.202.65.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.66.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.67.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.68.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.69.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.70.0/24 195 San Diego Supercompu
65512 PRIVATE 199.165.16.0/24 195 San Diego Supercompu
65512 PRIVATE 199.165.16.0/20 195 San Diego Supercompu
65512 PRIVATE 199.165.17.0/24 195 San Diego Supercompu
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd
65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies,
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
189.186.184.0/24 4471 Michigan Internet Cooperative
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:3 /10:7 /11:15 /12:61
/13:140 /14:315 /15:557 /16:8165 /17:2282 /18:3979
/19:9896 /20:10469 /21:8072 /22:11122 /23:12731 /24:82893
/25:263 /26:231 /27:115 /28:60 /29:39 /30:121
/31:0 /32:42
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 739 754 Covad Communications
6197 659 811 BellSouth Network Solutions,
2386 614 851 AT&T Data Communications Serv
7018 576 1418 AT&T WorldNet Services
27364 431 446 Armstrong Cable Services
702 389 634 UUNET - Commercial IP service
1239 386 935 Sprint
9583 384 553 Satyam Infoway Ltd.,
4766 367 547 Korea Internet Exchange for "
5668 360 417 Century Telephone
701 358 1238 UUNET Technologies, Inc.
6198 321 440 BellSouth Network Solutions,
6467 289 379 E.Spire Communications, Inc.
6517 279 302 Yipes Communications, Inc.
9929 278 349 China Netcom Corp.
20115 271 592 Charter Communications
13609 270 312 Choice One Communications Inc
21502 270 273 NUMERICABLE is a cabled netwo
4323 260 810 Time Warner Telecom
11456 256 301 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:10 12:1437 13:1 15:5 16:2
17:3 18:2 20:5 24:757 32:71 33:3
38:86 40:55 44:3 47:2 52:3 55:1
56:3 57:23 60:7 61:643 62:508 63:1861
64:2468 65:2070 66:2489 67:459 68:536 69:810
70:42 72:11 80:526 81:586 82:360 83:209
84:61 85:3 128:118 129:165 130:89 131:192
132:29 134:187 135:30 136:187 137:78 138:188
139:36 140:222 141:107 142:133 143:120 144:164
145:43 146:279 147:96 148:350 149:111 150:93
151:62 152:129 153:68 154:2 155:131 156:62
157:70 158:135 159:162 160:58 161:73 162:379
163:84 164:219 165:170 166:121 167:221 168:353
169:124 170:314 171:9 189:1 192:5665 193:2965
194:2184 195:1558 196:583 198:3906 199:3304 200:3848
201:25 202:4942 203:5793 204:3571 205:2087 206:2312
207:2624 208:2103 209:3092 210:1518 211:647 212:1165
213:1232 214:225 215:31 216:3718 217:1070 218:179
219:84 220:285 221:67 222:21
End of report
Routing Table Report 04:00 +10GMT Tue 30 Nov, 2004
Analysis Summary
----------------
BGP routing table entries examined: 151510
Prefixes after maximum aggregation: 89267
Unique aggregates announced to Internet: 72534
Total ASes present in the Internet Routing Table: 18535
Origin-only ASes present in the Internet Routing Table: 16078
Origin ASes announcing only one prefix: 7566
Transit ASes present in the Internet Routing Table: 2457
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 23
Prefixes from unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 16
Number of addresses announced to Internet: 1356796264
Equivalent to 80 /8s, 223 /16s and 17 /24s
Percentage of available address space announced: 36.6
Percentage of allocated address space announced: 59.2
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 69949
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 29379
Total APNIC prefixes after maximum aggregation: 14478
Prefixes being announced from the APNIC address blocks: 27439
Unique aggregates announced from the APNIC address blocks: 14346
APNIC Region origin ASes present in the Internet Routing Table: 2163
APNIC Region origin ASes announcing only one prefix: 649
APNIC Region transit ASes present in the Internet Routing Table: 333
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 167834112
Equivalent to 10 /8s, 0 /16s and 242 /24s
Percentage of available APNIC address space announced: 76.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 85855
Total ARIN prefixes after maximum aggregation: 52028
Prefixes being announced from the ARIN address blocks: 65720
Unique aggregates announced from the ARIN address blocks: 23602
ARIN Region origin ASes present in the Internet Routing Table: 9743
ARIN Region origin ASes announcing only one prefix: 3530
ARIN Region transit ASes present in the Internet Routing Table: 957
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 235848704
Equivalent to 14 /8s, 14 /16s and 196 /24s
Percentage of available ARIN address space announced: 70.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647,29695-30719, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 28395
Total RIPE prefixes after maximum aggregation: 19693
Prefixes being announced from the RIPE address blocks: 25162
Unique aggregates announced from the RIPE address blocks: 16517
RIPE Region origin ASes present in the Internet Routing Table: 6065
RIPE Region origin ASes announcing only one prefix: 3248
RIPE Region transit ASes present in the Internet Routing Table: 1045
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 181163264
Equivalent to 10 /8s, 204 /16s and 85 /24s
Percentage of available RIPE address space announced: 63.5
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-34815
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 6609
Total LACNIC prefixes after maximum aggregation: 2367
Prefixes being announced from the LACNIC address blocks: 6470
Unique aggregates announced from the LACNIC address blocks: 3997
LACNIC Region origin ASes present in the Internet Routing Table: 402
LACNIC Region origin ASes announcing only one prefix: 118
LACNIC Region transit ASes present in the Internet Routing Table: 79
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 16749568
Equivalent to 0 /8s, 255 /16s and 148 /24s
Percentage of available LACNIC address space announced: 49.9
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1254
Total AfriNIC prefixes after maximum aggregation: 701
Prefixes being announced from the AfriNIC address blocks: 859
Unique aggregates announced from the AfriNIC address blocks: 669
AfriNIC Region origin ASes present in the Internet Routing Table: 93
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2072576
Equivalent to 0 /8s, 31 /16s and 160 /24s
Percentage of available AfriNIC address space announced: 12.4
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 863 4421 164 Data Communications Bureau
1221 791 1182 568 Telstra Pty Ltd
9583 553 47 40 Satyam Infoway Ltd.,
4766 547 3408 268 Korea Internet Exchange for "
4755 388 132 67 Videsh Sanchar Nigam Ltd. Aut
17676 387 5804 57 XTAGE CORPORATION
9443 356 69 80 Primus Telecommunications
2907 354 1857 328 SINET Japan
9929 349 162 34 China Netcom Corp.
703 322 350 247 UUNET
17557 317 23 155 Pakistan Telecom
2764 283 272 231 connect.com.au pty ltd
7474 270 268 201 Optus Communications Pty Ltd
4802 233 28 141 Wantree Development
9800 232 381 71 CHINA UNICOM
9498 229 81 53 BHARTI BT INTERNET LTD.
9942 229 72 123 COMindico Australia
7563 228 48 165 Korea Internet Infrastructure
10036 217 20 198 C&M Communication Co. Ltd.
17488 213 13 13 Hathway IP Over Cable Interne
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1421 6632 983 AT&T WorldNet Services
701 1231 8384 881 UUNET Technologies, Inc.
721 1039 21084 305 DLA Systems Automation Center
1239 917 2879 605 Sprint
2386 851 531 612 AT&T Data Communications Serv
6197 810 381 352 BellSouth Network Solutions,
4323 809 672 221 Time Warner Telecom
18566 754 208 6 Covad Communications
209 655 3427 507 Qwest
3356 637 10961 462 Level 3 Communications, LLC
20115 592 461 316 Charter Communications
3561 549 2376 417 Cable & Wireless USA
852 520 1142 399 Telus Advanced Communications
7843 477 724 89 Adelphia Corp.
7132 452 8290 384 SBC Internet Services
27364 445 36 19 Armstrong Cable Services
6198 440 378 204 BellSouth Network Solutions,
6478 439 775 99 AT&T Worldnet Services
5668 417 87 18 Century Telephone
22909 415 881 59 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 633 2026 523 UUNET - Commercial IP service
3320 303 2997 237 Deutsche Telekom AG
3301 281 1100 272 TeliaNet Sweden
8220 280 464 265 COLT Internet - International
21502 273 40 3 NUMERICABLE is a cabled netwo
3300 257 167 82 AUCS Communications Services
680 251 2025 239 DFN-IP service G-WiN
3246 220 478 216 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 210 722 175 SWIPnet Swedish IP Network
8708 202 116 186 Romania Data Systems S.A.
5515 193 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 163 972 78 France Telecom Transpac
8866 160 20 7 Bulgarian Telecommunication C
719 158 322 105 LANLINK autonomous system
6746 158 46 128 Dynamic Network Technologies,
3269 153 1297 69 TELECOM ITALIA
25186 148 154 104 France Telecom Transpac's Tra
3303 130 611 127 Swisscom Ltd
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 347 139 80 ImpSat
8151 309 471 135 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
11172 210 99 55 Servicios Alestra S.A de C.V
6147 191 94 20 Telefonica Del Peru
11664 155 12 30 Keytech SA
7303 143 66 23 Telecom Argentina Stet-France
6505 141 90 97 Global One Communicaoes Ltda
6503 125 148 84 AVANTEL, S.A.
11992 103 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
11311 86 8 23 Sinectis S.A.
6535 85 7 18 Chilesat Servicios Empresari
13999 83 52 9 Mega Cable S.A. de C.V.
10481 82 32 7 Prima S.A.
4270 78 17 8 Red de Interconexion Universi
5639 77 8 8 Telecommunications Services o
15311 77 23 37 Telefonica Empresas
14420 76 5 41 ANDINATEL S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 269 636 226 The Internet Solution
5536 111 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 94 276 73 The Internetworking Company o
20928 56 16 1 Noor Advanced Technologies AS
24835 42 34 7 RAYA Telecom - Egypt
9129 34 3 4 UUNET Kenya
6713 30 38 9 Itissalat Al-MAGHRIB
5713 28 141 25 Telkom SA Ltd
8524 25 1 4 AUCEGYPT Autonomous System
12455 22 4 3 Jambonet Autonomous system
16637 22 10 19 Johnnic e-Ventures
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8452 17 20 5 TEDATA
21280 16 2 3 Swift Global Kenya Ltd.Is an
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
15808 13 1 2 Communication Solutions Ltd i
17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 754 748 Covad Communications
721 1039 734 DLA Systems Automation Center
4134 863 699 Data Communications Bureau
4323 809 588 Time Warner Telecom
9583 553 513 Satyam Infoway Ltd.,
6197 810 458 BellSouth Network Solutions,
27364 445 426 Armstrong Cable Services
5668 417 399 Century Telephone
7843 477 388 Adelphia Corp.
22773 405 385 Cox Communications, Inc. Atla
22909 415 356 Comcast Cable Corporation
701 1231 350 UUNET Technologies, Inc.
6467 379 348 E.Spire Communications, Inc.
6478 439 340 AT&T Worldnet Services
17676 387 330 XTAGE CORPORATION
4755 388 321 Videsh Sanchar Nigam Ltd. Aut
9929 349 315 China Netcom Corp.
1239 917 312 Sprint
4355 392 293 EarthLink, Inc.
4766 547 279 Korea Internet Exchange for "
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65512 PRIVATE 198.202.65.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.66.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.67.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.68.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.69.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.70.0/24 195 San Diego Supercompu
65512 PRIVATE 199.165.16.0/24 195 San Diego Supercompu
65512 PRIVATE 199.165.16.0/20 195 San Diego Supercompu
65512 PRIVATE 199.165.17.0/24 195 San Diego Supercompu
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd
65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies,
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
189.186.184.0/24 4471 Michigan Internet Cooperative
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:3 /10:7 /11:15 /12:61
/13:140 /14:315 /15:557 /16:8162 /17:2282 /18:3977
/19:9884 /20:10446 /21:8059 /22:11115 /23:12728 /24:82873
/25:263 /26:228 /27:116 /28:58 /29:39 /30:121
/31:0 /32:42
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 739 754 Covad Communications
6197 658 810 BellSouth Network Solutions,
2386 614 851 AT&T Data Communications Serv
7018 579 1421 AT&T WorldNet Services
27364 430 445 Armstrong Cable Services
702 389 633 UUNET - Commercial IP service
9583 384 553 Satyam Infoway Ltd.,
1239 368 917 Sprint
4766 367 547 Korea Internet Exchange for "
5668 360 417 Century Telephone
701 358 1231 UUNET Technologies, Inc.
6198 321 440 BellSouth Network Solutions,
6467 289 379 E.Spire Communications, Inc.
6517 279 302 Yipes Communications, Inc.
9929 278 349 China Netcom Corp.
20115 271 592 Charter Communications
13609 270 312 Choice One Communications Inc
21502 270 273 NUMERICABLE is a cabled netwo
4323 259 809 Time Warner Telecom
11456 256 301 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:10 12:1437 13:1 15:5 16:2
17:3 20:5 24:756 32:71 33:2 38:84
40:55 44:3 47:2 52:3 55:1 56:3
57:23 60:3 61:644 62:507 63:1842 64:2483
65:2070 66:2477 67:461 68:537 69:806 70:42
72:10 80:525 81:570 82:359 83:208 84:59
85:3 128:115 129:165 130:88 131:191 132:29
134:185 135:30 136:187 137:78 138:191 139:36
140:222 141:107 142:132 143:120 144:164 145:43
146:282 147:94 148:350 149:111 150:93 151:62
152:129 153:68 154:2 155:130 156:62 157:70
158:135 159:161 160:59 161:73 162:379 163:84
164:218 165:170 166:122 167:221 168:350 169:124
170:314 171:9 189:1 192:5667 193:2964 194:2185
195:1550 196:584 198:3910 199:3316 200:3847 201:25
202:4935 203:5803 204:3576 205:2090 206:2316 207:2621
208:2101 209:3100 210:1516 211:650 212:1165 213:1232
214:225 215:31 216:3718 217:1073 218:179 219:84
220:290 221:67 222:21
End of report
Routing Table Report 04:00 +10GMT Mon 29 Nov, 2004
Analysis Summary
----------------
BGP routing table entries examined: 150975
Prefixes after maximum aggregation: 89346
Unique aggregates announced to Internet: 72402
Total ASes present in the Internet Routing Table: 18519
Origin-only ASes present in the Internet Routing Table: 16066
Origin ASes announcing only one prefix: 7559
Transit ASes present in the Internet Routing Table: 2453
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 23
Prefixes from unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1355816552
Equivalent to 80 /8s, 208 /16s and 30 /24s
Percentage of available address space announced: 36.6
Percentage of allocated address space announced: 59.1
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 69635
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 29357
Total APNIC prefixes after maximum aggregation: 14461
Prefixes being announced from the APNIC address blocks: 27409
Unique aggregates announced from the APNIC address blocks: 14318
APNIC Region origin ASes present in the Internet Routing Table: 2162
APNIC Region origin ASes announcing only one prefix: 648
APNIC Region transit ASes present in the Internet Routing Table: 332
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 167641344
Equivalent to 9 /8s, 254 /16s and 1 /24s
Percentage of available APNIC address space announced: 76.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 85446
Total ARIN prefixes after maximum aggregation: 52161
Prefixes being announced from the ARIN address blocks: 65547
Unique aggregates announced from the ARIN address blocks: 23601
ARIN Region origin ASes present in the Internet Routing Table: 9735
ARIN Region origin ASes announcing only one prefix: 3524
ARIN Region transit ASes present in the Internet Routing Table: 956
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 235760128
Equivalent to 14 /8s, 13 /16s and 106 /24s
Percentage of available ARIN address space announced: 70.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647,29695-30719, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 28316
Total RIPE prefixes after maximum aggregation: 19675
Prefixes being announced from the RIPE address blocks: 25082
Unique aggregates announced from the RIPE address blocks: 16454
RIPE Region origin ASes present in the Internet Routing Table: 6058
RIPE Region origin ASes announcing only one prefix: 3248
RIPE Region transit ASes present in the Internet Routing Table: 1043
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 181128704
Equivalent to 10 /8s, 203 /16s and 206 /24s
Percentage of available RIPE address space announced: 63.5
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-34815
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 6582
Total LACNIC prefixes after maximum aggregation: 2350
Prefixes being announced from the LACNIC address blocks: 6448
Unique aggregates announced from the LACNIC address blocks: 3976
LACNIC Region origin ASes present in the Internet Routing Table: 403
LACNIC Region origin ASes announcing only one prefix: 118
LACNIC Region transit ASes present in the Internet Routing Table: 79
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 16744704
Equivalent to 0 /8s, 255 /16s and 129 /24s
Percentage of available LACNIC address space announced: 49.9
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1256
Total AfriNIC prefixes after maximum aggregation: 699
Prefixes being announced from the AfriNIC address blocks: 862
Unique aggregates announced from the AfriNIC address blocks: 669
AfriNIC Region origin ASes present in the Internet Routing Table: 93
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2072576
Equivalent to 0 /8s, 31 /16s and 160 /24s
Percentage of available AfriNIC address space announced: 12.4
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 862 4405 163 Data Communications Bureau
1221 791 1182 568 Telstra Pty Ltd
9583 553 47 40 Satyam Infoway Ltd.,
4766 547 3408 268 Korea Internet Exchange for "
4755 390 134 68 Videsh Sanchar Nigam Ltd. Aut
17676 384 5756 57 XTAGE CORPORATION
9443 356 69 80 Primus Telecommunications
2907 353 1857 327 SINET Japan
9929 349 162 34 China Netcom Corp.
703 320 350 245 UUNET
17557 318 23 156 Pakistan Telecom
2764 283 272 231 connect.com.au pty ltd
7474 268 268 201 Optus Communications Pty Ltd
4802 234 28 142 Wantree Development
9800 231 380 70 CHINA UNICOM
7563 230 48 166 Korea Internet Infrastructure
9942 229 72 123 COMindico Australia
9498 226 81 52 BHARTI BT INTERNET LTD.
10036 217 20 198 C&M Communication Co. Ltd.
17488 213 13 13 Hathway IP Over Cable Interne
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1421 6632 983 AT&T WorldNet Services
701 1238 8384 884 UUNET Technologies, Inc.
1239 916 2879 605 Sprint
2386 848 530 610 AT&T Data Communications Serv
721 833 10632 439 DLA Systems Automation Center
4323 809 672 221 Time Warner Telecom
6197 809 381 352 BellSouth Network Solutions,
18566 754 208 6 Covad Communications
209 655 3427 507 Qwest
3356 637 10947 462 Level 3 Communications, LLC
20115 592 461 316 Charter Communications
3561 549 2376 417 Cable & Wireless USA
852 519 1142 399 Telus Advanced Communications
7843 477 724 89 Adelphia Corp.
7132 452 8290 384 SBC Internet Services
27364 445 36 19 Armstrong Cable Services
6198 440 378 204 BellSouth Network Solutions,
6478 435 775 96 AT&T Worldnet Services
5668 417 87 18 Century Telephone
22909 415 881 59 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 633 2026 523 UUNET - Commercial IP service
3320 303 2997 237 Deutsche Telekom AG
3301 281 1100 272 TeliaNet Sweden
8220 280 464 265 COLT Internet - International
21502 273 40 3 NUMERICABLE is a cabled netwo
3300 257 167 82 AUCS Communications Services
680 251 2025 239 DFN-IP service G-WiN
3246 220 478 216 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 210 722 175 SWIPnet Swedish IP Network
8708 202 116 186 Romania Data Systems S.A.
5515 193 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 163 972 78 France Telecom Transpac
8866 160 20 7 Bulgarian Telecommunication C
719 158 322 105 LANLINK autonomous system
6746 158 46 128 Dynamic Network Technologies,
3269 153 1297 69 TELECOM ITALIA
25186 148 154 104 France Telecom Transpac's Tra
3303 131 611 128 Swisscom Ltd
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 347 139 80 ImpSat
8151 309 471 135 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
11172 210 99 55 Servicios Alestra S.A de C.V
6147 192 94 20 Telefonica Del Peru
11664 154 12 30 Keytech SA
7303 143 66 23 Telecom Argentina Stet-France
6505 139 90 96 Global One Communicaoes Ltda
6503 125 148 84 AVANTEL, S.A.
11992 103 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
11311 86 8 23 Sinectis S.A.
6535 85 7 18 Chilesat Servicios Empresari
13999 83 52 9 Mega Cable S.A. de C.V.
10481 82 32 7 Prima S.A.
4270 78 17 8 Red de Interconexion Universi
5639 77 8 8 Telecommunications Services o
15311 77 23 37 Telefonica Empresas
10292 70 6 24 TELECOMMUNICATIONS OF JAMAICA
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 636 225 The Internet Solution
5536 111 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 98 276 72 The Internetworking Company o
20928 56 16 1 Noor Advanced Technologies AS
24835 42 34 7 RAYA Telecom - Egypt
9129 35 3 4 UUNET Kenya
6713 30 38 9 Itissalat Al-MAGHRIB
5713 28 141 25 Telkom SA Ltd
8524 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
12455 19 4 3 Jambonet Autonomous system
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8452 17 20 5 TEDATA
21280 16 2 3 Swift Global Kenya Ltd.Is an
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
15808 13 1 2 Communication Solutions Ltd i
17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 754 748 Covad Communications
4134 862 699 Data Communications Bureau
4323 809 588 Time Warner Telecom
9583 553 513 Satyam Infoway Ltd.,
6197 809 457 BellSouth Network Solutions,
27364 445 426 Armstrong Cable Services
5668 417 399 Century Telephone
721 833 394 DLA Systems Automation Center
7843 477 388 Adelphia Corp.
22773 405 385 Cox Communications, Inc. Atla
22909 415 356 Comcast Cable Corporation
701 1238 354 UUNET Technologies, Inc.
6467 380 349 E.Spire Communications, Inc.
6478 435 339 AT&T Worldnet Services
17676 384 327 XTAGE CORPORATION
4755 390 322 Videsh Sanchar Nigam Ltd. Aut
9929 349 315 China Netcom Corp.
1239 916 311 Sprint
4355 392 293 EarthLink, Inc.
4766 547 279 Korea Internet Exchange for "
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65512 PRIVATE 198.202.65.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.66.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.67.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.68.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.69.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.70.0/24 195 San Diego Supercompu
65512 PRIVATE 199.165.16.0/24 195 San Diego Supercompu
65512 PRIVATE 199.165.16.0/20 195 San Diego Supercompu
65512 PRIVATE 199.165.17.0/24 195 San Diego Supercompu
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd
65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies,
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
158.0.0.0/13 721 DLA Systems Automation Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 DISO-UNRRA
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:3 /10:7 /11:15 /12:61
/13:140 /14:315 /15:557 /16:8097 /17:2278 /18:3976
/19:9880 /20:10456 /21:8034 /22:11097 /23:12701 /24:82472
/25:263 /26:228 /27:116 /28:58 /29:39 /30:121
/31:0 /32:42
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 739 754 Covad Communications
6197 657 809 BellSouth Network Solutions,
2386 612 848 AT&T Data Communications Serv
7018 579 1421 AT&T WorldNet Services
27364 430 445 Armstrong Cable Services
702 389 633 UUNET - Commercial IP service
9583 384 553 Satyam Infoway Ltd.,
1239 367 916 Sprint
4766 367 547 Korea Internet Exchange for "
5668 360 417 Century Telephone
701 358 1238 UUNET Technologies, Inc.
6198 321 440 BellSouth Network Solutions,
6467 289 380 E.Spire Communications, Inc.
6517 279 302 Yipes Communications, Inc.
9929 278 349 China Netcom Corp.
20115 271 592 Charter Communications
13609 270 312 Choice One Communications Inc
21502 270 273 NUMERICABLE is a cabled netwo
4323 259 809 Time Warner Telecom
11456 256 301 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:10 12:1431 13:1 15:5 16:2
17:3 20:5 24:753 32:71 33:1 38:84
40:55 44:3 47:2 52:3 55:1 56:3
57:23 60:3 61:642 62:503 63:1841 64:2483
65:2063 66:2475 67:459 68:537 69:804 70:42
72:10 80:525 81:567 82:351 83:206 84:56
85:4 128:107 129:165 130:88 131:174 132:26
134:185 135:30 136:187 137:78 138:190 139:36
140:221 141:107 142:131 143:120 144:112 145:43
146:281 147:94 148:346 149:110 150:93 151:62
152:129 153:68 154:2 155:130 156:62 157:65
158:134 159:162 160:57 161:73 162:379 163:82
164:203 165:163 166:119 167:222 168:351 169:122
170:314 171:9 192:5659 193:2960 194:2181 195:1549
196:584 198:3865 199:3307 200:3825 201:25 202:4930
203:5794 204:3556 205:2070 206:2309 207:2606 208:2100
209:3090 210:1515 211:651 212:1137 213:1229 214:226
215:30 216:3721 217:1053 218:179 219:84 220:286
221:67 222:21
End of report
Routing Table Report 04:00 +10GMT Sun 28 Nov, 2004
Analysis Summary
----------------
BGP routing table entries examined: 151239
Prefixes after maximum aggregation: 89132
Unique aggregates announced to Internet: 72431
Total ASes present in the Internet Routing Table: 18520
Origin-only ASes present in the Internet Routing Table: 16065
Origin ASes announcing only one prefix: 7562
Transit ASes present in the Internet Routing Table: 2455
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 23
Prefixes from unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1356295528
Equivalent to 80 /8s, 215 /16s and 109 /24s
Percentage of available address space announced: 36.6
Percentage of allocated address space announced: 59.1
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 69819
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 29339
Total APNIC prefixes after maximum aggregation: 14443
Prefixes being announced from the APNIC address blocks: 27410
Unique aggregates announced from the APNIC address blocks: 14333
APNIC Region origin ASes present in the Internet Routing Table: 2158
APNIC Region origin ASes announcing only one prefix: 645
APNIC Region transit ASes present in the Internet Routing Table: 334
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 167641600
Equivalent to 9 /8s, 254 /16s and 2 /24s
Percentage of available APNIC address space announced: 76.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 85688
Total ARIN prefixes after maximum aggregation: 51950
Prefixes being announced from the ARIN address blocks: 65606
Unique aggregates announced from the ARIN address blocks: 23588
ARIN Region origin ASes present in the Internet Routing Table: 9739
ARIN Region origin ASes announcing only one prefix: 3530
ARIN Region transit ASes present in the Internet Routing Table: 957
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 235790592
Equivalent to 14 /8s, 13 /16s and 225 /24s
Percentage of available ARIN address space announced: 70.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647,29695-30719, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 28355
Total RIPE prefixes after maximum aggregation: 19678
Prefixes being announced from the RIPE address blocks: 25119
Unique aggregates announced from the RIPE address blocks: 16484
RIPE Region origin ASes present in the Internet Routing Table: 6058
RIPE Region origin ASes announcing only one prefix: 3248
RIPE Region transit ASes present in the Internet Routing Table: 1041
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 181205248
Equivalent to 10 /8s, 204 /16s and 249 /24s
Percentage of available RIPE address space announced: 63.5
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-34815
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 6583
Total LACNIC prefixes after maximum aggregation: 2362
Prefixes being announced from the LACNIC address blocks: 6444
Unique aggregates announced from the LACNIC address blocks: 3976
LACNIC Region origin ASes present in the Internet Routing Table: 403
LACNIC Region origin ASes announcing only one prefix: 118
LACNIC Region transit ASes present in the Internet Routing Table: 79
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 16660992
Equivalent to 0 /8s, 254 /16s and 58 /24s
Percentage of available LACNIC address space announced: 49.7
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1256
Total AfriNIC prefixes after maximum aggregation: 699
Prefixes being announced from the AfriNIC address blocks: 862
Unique aggregates announced from the AfriNIC address blocks: 669
AfriNIC Region origin ASes present in the Internet Routing Table: 93
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2072576
Equivalent to 0 /8s, 31 /16s and 160 /24s
Percentage of available AfriNIC address space announced: 12.4
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 862 4421 164 Data Communications Bureau
1221 792 1182 569 Telstra Pty Ltd
9583 553 47 40 Satyam Infoway Ltd.,
4766 547 3408 268 Korea Internet Exchange for "
4755 388 134 69 Videsh Sanchar Nigam Ltd. Aut
17676 384 5756 57 XTAGE CORPORATION
9443 356 69 80 Primus Telecommunications
2907 353 1857 327 SINET Japan
9929 349 162 34 China Netcom Corp.
703 320 350 245 UUNET
17557 316 23 155 Pakistan Telecom
2764 283 272 231 connect.com.au pty ltd
7474 268 268 201 Optus Communications Pty Ltd
4802 234 28 142 Wantree Development
9800 231 380 70 CHINA UNICOM
7563 229 48 165 Korea Internet Infrastructure
9942 229 72 123 COMindico Australia
9498 228 81 53 BHARTI BT INTERNET LTD.
10036 217 20 198 C&M Communication Co. Ltd.
17488 212 13 14 Hathway IP Over Cable Interne
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1421 6632 983 AT&T WorldNet Services
701 1240 8385 886 UUNET Technologies, Inc.
721 1039 21084 305 DLA Systems Automation Center
1239 916 2879 605 Sprint
2386 848 530 610 AT&T Data Communications Serv
6197 810 381 352 BellSouth Network Solutions,
4323 809 672 221 Time Warner Telecom
18566 754 208 6 Covad Communications
209 655 3427 507 Qwest
3356 637 10947 462 Level 3 Communications, LLC
20115 591 461 315 Charter Communications
3561 549 2376 417 Cable & Wireless USA
852 519 1142 399 Telus Advanced Communications
7843 478 725 85 Adelphia Corp.
7132 452 8290 384 SBC Internet Services
27364 445 36 19 Armstrong Cable Services
6198 440 378 204 BellSouth Network Solutions,
6478 435 775 96 AT&T Worldnet Services
5668 417 87 18 Century Telephone
22909 415 881 59 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 633 2026 523 UUNET - Commercial IP service
3320 303 2997 237 Deutsche Telekom AG
3301 281 1100 272 TeliaNet Sweden
8220 280 463 265 COLT Internet - International
21502 273 40 3 NUMERICABLE is a cabled netwo
3300 255 167 81 AUCS Communications Services
680 251 2025 239 DFN-IP service G-WiN
3246 220 478 216 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 210 722 175 SWIPnet Swedish IP Network
8708 202 116 186 Romania Data Systems S.A.
5515 193 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 163 972 78 France Telecom Transpac
8866 160 20 7 Bulgarian Telecommunication C
719 158 322 105 LANLINK autonomous system
6746 158 46 128 Dynamic Network Technologies,
3269 153 1297 69 TELECOM ITALIA
25186 148 154 104 France Telecom Transpac's Tra
3303 131 611 128 Swisscom Ltd
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 347 139 80 ImpSat
8151 309 471 135 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
11172 210 99 55 Servicios Alestra S.A de C.V
6147 192 94 20 Telefonica Del Peru
11664 154 12 30 Keytech SA
7303 143 66 23 Telecom Argentina Stet-France
6505 140 90 96 Global One Communicaoes Ltda
6503 125 148 84 AVANTEL, S.A.
11992 103 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
11311 86 8 23 Sinectis S.A.
6535 85 7 18 Chilesat Servicios Empresari
13999 83 52 9 Mega Cable S.A. de C.V.
10481 82 32 7 Prima S.A.
4270 78 17 8 Red de Interconexion Universi
15311 77 23 37 Telefonica Empresas
5639 75 8 8 Telecommunications Services o
10292 70 6 24 TELECOMMUNICATIONS OF JAMAICA
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 636 225 The Internet Solution
5536 111 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 98 276 72 The Internetworking Company o
20928 56 16 1 Noor Advanced Technologies AS
24835 42 34 7 RAYA Telecom - Egypt
9129 35 3 4 UUNET Kenya
6713 30 38 9 Itissalat Al-MAGHRIB
5713 28 141 25 Telkom SA Ltd
8524 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
12455 19 4 3 Jambonet Autonomous system
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8452 17 20 5 TEDATA
21280 16 2 3 Swift Global Kenya Ltd.Is an
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
15808 13 1 2 Communication Solutions Ltd i
17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 754 748 Covad Communications
721 1039 734 DLA Systems Automation Center
4134 862 698 Data Communications Bureau
4323 809 588 Time Warner Telecom
9583 553 513 Satyam Infoway Ltd.,
6197 810 458 BellSouth Network Solutions,
27364 445 426 Armstrong Cable Services
5668 417 399 Century Telephone
7843 478 393 Adelphia Corp.
22773 405 385 Cox Communications, Inc. Atla
22909 415 356 Comcast Cable Corporation
701 1240 354 UUNET Technologies, Inc.
6467 380 349 E.Spire Communications, Inc.
6478 435 339 AT&T Worldnet Services
17676 384 327 XTAGE CORPORATION
4755 388 319 Videsh Sanchar Nigam Ltd. Aut
9929 349 315 China Netcom Corp.
1239 916 311 Sprint
4355 392 293 EarthLink, Inc.
4766 547 279 Korea Internet Exchange for "
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65512 PRIVATE 198.202.65.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.66.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.67.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.68.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.69.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.70.0/24 195 San Diego Supercompu
65512 PRIVATE 199.165.16.0/24 195 San Diego Supercompu
65512 PRIVATE 199.165.16.0/20 195 San Diego Supercompu
65512 PRIVATE 199.165.17.0/24 195 San Diego Supercompu
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd
65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies,
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:3 /10:7 /11:15 /12:61
/13:140 /14:315 /15:557 /16:8154 /17:2282 /18:3984
/19:9881 /20:10461 /21:8044 /22:11101 /23:12708 /24:82643
/25:262 /26:228 /27:116 /28:58 /29:38 /30:121
/31:0 /32:41
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 739 754 Covad Communications
6197 658 810 BellSouth Network Solutions,
2386 612 848 AT&T Data Communications Serv
7018 579 1421 AT&T WorldNet Services
27364 430 445 Armstrong Cable Services
702 389 633 UUNET - Commercial IP service
9583 384 553 Satyam Infoway Ltd.,
1239 367 916 Sprint
4766 367 547 Korea Internet Exchange for "
5668 360 417 Century Telephone
701 358 1240 UUNET Technologies, Inc.
6198 321 440 BellSouth Network Solutions,
6467 289 380 E.Spire Communications, Inc.
6517 280 303 Yipes Communications, Inc.
9929 278 349 China Netcom Corp.
13609 270 312 Choice One Communications Inc
20115 270 591 Charter Communications
21502 270 273 NUMERICABLE is a cabled netwo
4323 259 809 Time Warner Telecom
11456 256 301 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:10 12:1430 13:1 15:5 16:2
17:3 20:5 24:753 32:71 33:2 38:86
40:55 44:3 47:2 52:3 55:1 56:3
57:23 60:3 61:642 62:505 63:1841 64:2483
65:2069 66:2475 67:458 68:537 69:803 70:41
72:10 80:528 81:566 82:350 83:207 84:56
85:4 128:114 129:165 130:89 131:191 132:29
134:185 135:30 136:187 137:78 138:191 139:36
140:221 141:107 142:130 143:120 144:162 145:43
146:281 147:94 148:344 149:110 150:93 151:62
152:129 153:68 154:2 155:130 156:62 157:65
158:135 159:162 160:59 161:73 162:379 163:80
164:218 165:155 166:119 167:222 168:352 169:123
170:313 171:9 192:5663 193:2957 194:2180 195:1547
196:584 198:3894 199:3308 200:3825 201:25 202:4932
203:5795 204:3537 205:2083 206:2307 207:2606 208:2099
209:3098 210:1513 211:649 212:1169 213:1232 214:226
215:31 216:3722 217:1067 218:179 219:84 220:286
221:67 222:21
End of report
Routing Table Report 04:00 +10GMT Sat 27 Nov, 2004
Analysis Summary
----------------
BGP routing table entries examined: 151428
Prefixes after maximum aggregation: 89194
Unique aggregates announced to Internet: 72435
Total ASes present in the Internet Routing Table: 18525
Origin-only ASes present in the Internet Routing Table: 16068
Origin ASes announcing only one prefix: 7562
Transit ASes present in the Internet Routing Table: 2457
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 23
Prefixes from unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1356340328
Equivalent to 80 /8s, 216 /16s and 28 /24s
Percentage of available address space announced: 36.6
Percentage of allocated address space announced: 59.1
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 69904
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 29342
Total APNIC prefixes after maximum aggregation: 14467
Prefixes being announced from the APNIC address blocks: 27404
Unique aggregates announced from the APNIC address blocks: 14331
APNIC Region origin ASes present in the Internet Routing Table: 2162
APNIC Region origin ASes announcing only one prefix: 649
APNIC Region transit ASes present in the Internet Routing Table: 334
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 167644160
Equivalent to 9 /8s, 254 /16s and 12 /24s
Percentage of available APNIC address space announced: 76.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 85837
Total ARIN prefixes after maximum aggregation: 52009
Prefixes being announced from the ARIN address blocks: 65722
Unique aggregates announced from the ARIN address blocks: 23583
ARIN Region origin ASes present in the Internet Routing Table: 9741
ARIN Region origin ASes announcing only one prefix: 3525
ARIN Region transit ASes present in the Internet Routing Table: 962
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 235824128
Equivalent to 14 /8s, 14 /16s and 100 /24s
Percentage of available ARIN address space announced: 70.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647,29695-30719, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 28334
Total RIPE prefixes after maximum aggregation: 19660
Prefixes being announced from the RIPE address blocks: 25099
Unique aggregates announced from the RIPE address blocks: 16470
RIPE Region origin ASes present in the Internet Routing Table: 6057
RIPE Region origin ASes announcing only one prefix: 3248
RIPE Region transit ASes present in the Internet Routing Table: 1038
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 181179904
Equivalent to 10 /8s, 204 /16s and 150 /24s
Percentage of available RIPE address space announced: 63.5
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-34815
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 6640
Total LACNIC prefixes after maximum aggregation: 2361
Prefixes being announced from the LACNIC address blocks: 6480
Unique aggregates announced from the LACNIC address blocks: 3996
LACNIC Region origin ASes present in the Internet Routing Table: 404
LACNIC Region origin ASes announcing only one prefix: 119
LACNIC Region transit ASes present in the Internet Routing Table: 79
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 16757504
Equivalent to 0 /8s, 255 /16s and 179 /24s
Percentage of available LACNIC address space announced: 49.9
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1257
Total AfriNIC prefixes after maximum aggregation: 697
Prefixes being announced from the AfriNIC address blocks: 861
Unique aggregates announced from the AfriNIC address blocks: 668
AfriNIC Region origin ASes present in the Internet Routing Table: 93
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2072320
Equivalent to 0 /8s, 31 /16s and 159 /24s
Percentage of available AfriNIC address space announced: 12.4
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 861 4405 163 Data Communications Bureau
1221 789 1182 566 Telstra Pty Ltd
9583 553 47 40 Satyam Infoway Ltd.,
4766 547 3408 268 Korea Internet Exchange for "
4755 391 134 72 Videsh Sanchar Nigam Ltd. Aut
17676 384 5756 57 XTAGE CORPORATION
9443 356 69 80 Primus Telecommunications
2907 353 1857 327 SINET Japan
9929 349 162 34 China Netcom Corp.
703 321 350 246 UUNET
17557 314 23 156 Pakistan Telecom
2764 283 272 231 connect.com.au pty ltd
7474 270 268 201 Optus Communications Pty Ltd
4802 234 28 142 Wantree Development
9800 231 380 70 CHINA UNICOM
7563 229 48 165 Korea Internet Infrastructure
9942 229 72 123 COMindico Australia
9498 227 81 53 BHARTI BT INTERNET LTD.
10036 217 20 198 C&M Communication Co. Ltd.
17488 212 13 14 Hathway IP Over Cable Interne
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1421 6632 983 AT&T WorldNet Services
701 1241 8385 887 UUNET Technologies, Inc.
721 1039 21084 305 DLA Systems Automation Center
1239 916 2879 604 Sprint
2386 849 530 611 AT&T Data Communications Serv
4323 809 672 221 Time Warner Telecom
6197 809 380 351 BellSouth Network Solutions,
18566 754 208 6 Covad Communications
209 656 3429 508 Qwest
3356 638 10963 463 Level 3 Communications, LLC
20115 591 461 315 Charter Communications
3561 549 2376 417 Cable & Wireless USA
852 519 1142 399 Telus Advanced Communications
7843 478 725 85 Adelphia Corp.
7132 451 8289 383 SBC Internet Services
27364 444 36 19 Armstrong Cable Services
6198 439 377 203 BellSouth Network Solutions,
6478 435 775 96 AT&T Worldnet Services
5668 417 87 18 Century Telephone
22909 415 881 59 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 634 2027 524 UUNET - Commercial IP service
3320 303 2997 237 Deutsche Telekom AG
3301 281 1100 272 TeliaNet Sweden
8220 280 463 265 COLT Internet - International
21502 273 40 3 NUMERICABLE is a cabled netwo
3300 257 167 82 AUCS Communications Services
680 251 2025 239 DFN-IP service G-WiN
3246 220 478 216 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 210 722 175 SWIPnet Swedish IP Network
8708 202 116 186 Romania Data Systems S.A.
5515 193 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 163 972 78 France Telecom Transpac
8866 160 20 7 Bulgarian Telecommunication C
719 158 322 105 LANLINK autonomous system
6746 158 46 128 Dynamic Network Technologies,
3269 153 1297 69 TELECOM ITALIA
25186 148 154 104 France Telecom Transpac's Tra
3303 131 611 128 Swisscom Ltd
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 352 140 73 ImpSat
8151 309 471 135 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
11172 210 99 55 Servicios Alestra S.A de C.V
6147 192 94 20 Telefonica Del Peru
11664 154 12 30 Keytech SA
7303 143 66 23 Telecom Argentina Stet-France
6505 140 90 96 Global One Communicaoes Ltda
6503 123 148 82 AVANTEL, S.A.
11992 103 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
11311 86 8 23 Sinectis S.A.
6535 85 7 18 Chilesat Servicios Empresari
13999 83 52 9 Mega Cable S.A. de C.V.
10481 82 32 7 Prima S.A.
14420 82 5 34 ANDINATEL S.A.
4270 80 18 9 Red de Interconexion Universi
15311 77 23 37 Telefonica Empresas
5639 75 8 8 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 636 225 The Internet Solution
5536 111 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 97 276 71 The Internetworking Company o
20928 56 16 1 Noor Advanced Technologies AS
24835 42 34 7 RAYA Telecom - Egypt
9129 35 3 4 UUNET Kenya
6713 30 38 9 Itissalat Al-MAGHRIB
5713 28 141 25 Telkom SA Ltd
8524 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
12455 21 4 2 Jambonet Autonomous system
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8452 17 20 5 TEDATA
21280 16 2 3 Swift Global Kenya Ltd.Is an
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
15808 13 1 2 Communication Solutions Ltd i
17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 754 748 Covad Communications
721 1039 734 DLA Systems Automation Center
4134 861 698 Data Communications Bureau
4323 809 588 Time Warner Telecom
9583 553 513 Satyam Infoway Ltd.,
6197 809 458 BellSouth Network Solutions,
27364 444 425 Armstrong Cable Services
5668 417 399 Century Telephone
7843 478 393 Adelphia Corp.
22773 405 385 Cox Communications, Inc. Atla
22909 415 356 Comcast Cable Corporation
701 1241 354 UUNET Technologies, Inc.
6467 380 349 E.Spire Communications, Inc.
6478 435 339 AT&T Worldnet Services
17676 384 327 XTAGE CORPORATION
4755 391 319 Videsh Sanchar Nigam Ltd. Aut
9929 349 315 China Netcom Corp.
1239 916 312 Sprint
4355 392 293 EarthLink, Inc.
4766 547 279 Korea Internet Exchange for "
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65512 PRIVATE 198.202.65.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.66.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.67.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.68.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.69.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.70.0/24 195 San Diego Supercompu
65512 PRIVATE 199.165.16.0/24 195 San Diego Supercompu
65512 PRIVATE 199.165.16.0/20 195 San Diego Supercompu
65512 PRIVATE 199.165.17.0/24 195 San Diego Supercompu
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd
65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies,
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:3 /10:7 /11:15 /12:61
/13:140 /14:315 /15:557 /16:8156 /17:2283 /18:3979
/19:9884 /20:10463 /21:8060 /22:11112 /23:12731 /24:82779
/25:257 /26:224 /27:116 /28:68 /29:38 /30:117
/31:0 /32:44
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 739 754 Covad Communications
6197 657 809 BellSouth Network Solutions,
2386 612 849 AT&T Data Communications Serv
7018 579 1421 AT&T WorldNet Services
27364 429 444 Armstrong Cable Services
702 389 634 UUNET - Commercial IP service
9583 384 553 Satyam Infoway Ltd.,
1239 368 916 Sprint
4766 367 547 Korea Internet Exchange for "
5668 360 417 Century Telephone
701 358 1241 UUNET Technologies, Inc.
6198 320 439 BellSouth Network Solutions,
6467 289 380 E.Spire Communications, Inc.
6517 280 303 Yipes Communications, Inc.
9929 278 349 China Netcom Corp.
13609 270 312 Choice One Communications Inc
20115 270 591 Charter Communications
21502 270 273 NUMERICABLE is a cabled netwo
4323 259 809 Time Warner Telecom
11456 256 301 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:10 12:1430 13:1 15:5 16:2
17:3 20:5 24:752 32:71 33:2 38:84
40:55 44:3 47:2 52:3 55:1 56:3
57:24 60:2 61:643 62:507 63:1860 64:2489
65:2071 66:2475 67:459 68:537 69:804 70:42
72:10 80:523 81:564 82:351 83:207 84:56
85:4 128:114 129:165 130:89 131:191 132:28
134:185 135:30 136:187 137:78 138:191 139:36
140:222 141:107 142:130 143:119 144:164 145:43
146:282 147:94 148:350 149:111 150:92 151:62
152:129 153:68 154:2 155:130 156:62 157:70
158:135 159:162 160:59 161:73 162:379 163:83
164:220 165:162 166:119 167:222 168:357 169:123
170:315 171:9 192:5664 193:2959 194:2177 195:1547
196:583 198:3909 199:3306 200:3852 201:25 202:4927
203:5793 204:3539 205:2101 206:2307 207:2622 208:2098
209:3111 210:1516 211:650 212:1168 213:1231 214:229
215:31 216:3722 217:1062 218:179 219:84 220:286
221:67 222:21
End of report
Routing Table Report 04:00 +10GMT Fri 26 Nov, 2004
Analysis Summary
----------------
BGP routing table entries examined: 151284
Prefixes after maximum aggregation: 89158
Unique aggregates announced to Internet: 72411
Total ASes present in the Internet Routing Table: 18526
Origin-only ASes present in the Internet Routing Table: 16080
Origin ASes announcing only one prefix: 7566
Transit ASes present in the Internet Routing Table: 2446
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 23
Prefixes from unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1356145256
Equivalent to 80 /8s, 213 /16s and 34 /24s
Percentage of available address space announced: 36.6
Percentage of allocated address space announced: 59.1
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 69821
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 29280
Total APNIC prefixes after maximum aggregation: 14456
Prefixes being announced from the APNIC address blocks: 27345
Unique aggregates announced from the APNIC address blocks: 14333
APNIC Region origin ASes present in the Internet Routing Table: 2166
APNIC Region origin ASes announcing only one prefix: 652
APNIC Region transit ASes present in the Internet Routing Table: 332
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 167575808
Equivalent to 9 /8s, 253 /16s and 1 /24s
Percentage of available APNIC address space announced: 76.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 85826
Total ARIN prefixes after maximum aggregation: 52018
Prefixes being announced from the ARIN address blocks: 65709
Unique aggregates announced from the ARIN address blocks: 23582
ARIN Region origin ASes present in the Internet Routing Table: 9746
ARIN Region origin ASes announcing only one prefix: 3528
ARIN Region transit ASes present in the Internet Routing Table: 957
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 235841792
Equivalent to 14 /8s, 14 /16s and 169 /24s
Percentage of available ARIN address space announced: 70.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647,29695-30719, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 28288
Total RIPE prefixes after maximum aggregation: 19630
Prefixes being announced from the RIPE address blocks: 25049
Unique aggregates announced from the RIPE address blocks: 16449
RIPE Region origin ASes present in the Internet Routing Table: 6049
RIPE Region origin ASes announcing only one prefix: 3245
RIPE Region transit ASes present in the Internet Routing Table: 1032
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 181005056
Equivalent to 10 /8s, 201 /16s and 235 /24s
Percentage of available RIPE address space announced: 63.5
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-34815
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 6616
Total LACNIC prefixes after maximum aggregation: 2357
Prefixes being announced from the LACNIC address blocks: 6474
Unique aggregates announced from the LACNIC address blocks: 3995
LACNIC Region origin ASes present in the Internet Routing Table: 405
LACNIC Region origin ASes announcing only one prefix: 120
LACNIC Region transit ASes present in the Internet Routing Table: 79
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 16751616
Equivalent to 0 /8s, 255 /16s and 156 /24s
Percentage of available LACNIC address space announced: 49.9
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1255
Total AfriNIC prefixes after maximum aggregation: 697
Prefixes being announced from the AfriNIC address blocks: 862
Unique aggregates announced from the AfriNIC address blocks: 668
AfriNIC Region origin ASes present in the Internet Routing Table: 93
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2072320
Equivalent to 0 /8s, 31 /16s and 159 /24s
Percentage of available AfriNIC address space announced: 12.4
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 862 4405 163 Data Communications Bureau
1221 782 1165 563 Telstra Pty Ltd
9583 551 47 40 Satyam Infoway Ltd.,
4766 547 3408 268 Korea Internet Exchange for "
4755 389 134 71 Videsh Sanchar Nigam Ltd. Aut
17676 384 5756 57 XTAGE CORPORATION
9443 356 69 80 Primus Telecommunications
2907 354 1857 328 SINET Japan
9929 348 161 33 China Netcom Corp.
703 321 350 246 UUNET
17557 314 23 156 Pakistan Telecom
2764 285 273 232 connect.com.au pty ltd
7474 269 268 200 Optus Communications Pty Ltd
4802 234 28 142 Wantree Development
9800 231 380 70 CHINA UNICOM
9942 229 72 123 COMindico Australia
7563 228 48 165 Korea Internet Infrastructure
9498 226 81 53 BHARTI BT INTERNET LTD.
10036 217 20 198 C&M Communication Co. Ltd.
17488 213 13 13 Hathway IP Over Cable Interne
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1420 6631 983 AT&T WorldNet Services
701 1241 8385 887 UUNET Technologies, Inc.
721 1038 21084 305 DLA Systems Automation Center
1239 926 2881 614 Sprint
2386 851 531 612 AT&T Data Communications Serv
4323 809 672 221 Time Warner Telecom
6197 809 380 351 BellSouth Network Solutions,
18566 754 208 6 Covad Communications
209 656 3429 508 Qwest
3356 638 10963 463 Level 3 Communications, LLC
20115 591 461 315 Charter Communications
3561 550 2377 418 Cable & Wireless USA
852 518 1141 398 Telus Advanced Communications
7843 478 725 85 Adelphia Corp.
7132 451 8289 383 SBC Internet Services
27364 444 36 19 Armstrong Cable Services
6198 439 377 203 BellSouth Network Solutions,
6478 435 775 96 AT&T Worldnet Services
5668 417 87 18 Century Telephone
22909 415 881 59 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 634 2027 524 UUNET - Commercial IP service
3320 303 2997 237 Deutsche Telekom AG
3301 281 1100 272 TeliaNet Sweden
8220 280 463 265 COLT Internet - International
21502 273 40 3 NUMERICABLE is a cabled netwo
3300 257 167 82 AUCS Communications Services
680 251 2025 239 DFN-IP service G-WiN
3246 220 478 216 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 210 722 175 SWIPnet Swedish IP Network
8708 202 116 186 Romania Data Systems S.A.
5515 193 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 163 972 78 France Telecom Transpac
8866 160 20 7 Bulgarian Telecommunication C
719 158 322 105 LANLINK autonomous system
6746 157 30 127 Dynamic Network Technologies,
3269 153 1297 69 TELECOM ITALIA
25186 148 154 104 France Telecom Transpac's Tra
3303 131 611 128 Swisscom Ltd
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 352 140 73 ImpSat
8151 308 471 134 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
11172 210 99 55 Servicios Alestra S.A de C.V
6147 190 94 20 Telefonica Del Peru
11664 154 12 30 Keytech SA
7303 142 65 22 Telecom Argentina Stet-France
6505 141 90 95 Global One Communicaoes Ltda
6503 125 164 83 AVANTEL, S.A.
11992 103 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
11311 86 8 23 Sinectis S.A.
6535 85 7 18 Chilesat Servicios Empresari
10481 82 32 7 Prima S.A.
14420 82 5 34 ANDINATEL S.A.
4270 80 18 9 Red de Interconexion Universi
13999 80 52 9 Mega Cable S.A. de C.V.
15311 77 23 37 Telefonica Empresas
5639 75 8 8 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 636 225 The Internet Solution
5536 111 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 97 276 71 The Internetworking Company o
20928 56 16 1 Noor Advanced Technologies AS
24835 41 34 7 RAYA Telecom - Egypt
9129 35 3 4 UUNET Kenya
6713 30 38 9 Itissalat Al-MAGHRIB
5713 28 141 25 Telkom SA Ltd
8524 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
12455 19 4 2 Jambonet Autonomous system
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8452 17 20 5 TEDATA
21280 16 2 3 Swift Global Kenya Ltd.Is an
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
15808 13 1 2 Communication Solutions Ltd i
17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 754 748 Covad Communications
721 1038 733 DLA Systems Automation Center
4134 862 699 Data Communications Bureau
4323 809 588 Time Warner Telecom
9583 551 511 Satyam Infoway Ltd.,
6197 809 458 BellSouth Network Solutions,
27364 444 425 Armstrong Cable Services
5668 417 399 Century Telephone
7843 478 393 Adelphia Corp.
22773 404 385 Cox Communications, Inc. Atla
22909 415 356 Comcast Cable Corporation
701 1241 354 UUNET Technologies, Inc.
6467 372 347 E.Spire Communications, Inc.
6478 435 339 AT&T Worldnet Services
17676 384 327 XTAGE CORPORATION
4755 389 318 Videsh Sanchar Nigam Ltd. Aut
9929 348 315 China Netcom Corp.
1239 926 312 Sprint
4355 392 293 EarthLink, Inc.
4766 547 279 Korea Internet Exchange for "
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65400 PRIVATE 192.55.193.0/24 1290 PSINet UK Ltd.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65512 PRIVATE 198.202.65.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.66.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.67.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.68.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.69.0/24 195 San Diego Supercompu
65512 PRIVATE 198.202.70.0/24 195 San Diego Supercompu
65512 PRIVATE 199.165.16.0/24 195 San Diego Supercompu
65512 PRIVATE 199.165.16.0/20 195 San Diego Supercompu
65512 PRIVATE 199.165.17.0/24 195 San Diego Supercompu
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd
65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies,
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:3 /10:7 /11:15 /12:61
/13:140 /14:315 /15:557 /16:8156 /17:2273 /18:3970
/19:9879 /20:10441 /21:8058 /22:11107 /23:12721 /24:82698
/25:258 /26:223 /27:117 /28:68 /29:39 /30:117
/31:0 /32:42
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 739 754 Covad Communications
6197 657 809 BellSouth Network Solutions,
2386 614 851 AT&T Data Communications Serv
7018 578 1420 AT&T WorldNet Services
27364 429 444 Armstrong Cable Services
702 389 634 UUNET - Commercial IP service
9583 382 551 Satyam Infoway Ltd.,
1239 368 926 Sprint
4766 367 547 Korea Internet Exchange for "
5668 360 417 Century Telephone
701 358 1241 UUNET Technologies, Inc.
6198 320 439 BellSouth Network Solutions,
6467 286 372 E.Spire Communications, Inc.
6517 280 303 Yipes Communications, Inc.
9929 278 348 China Netcom Corp.
13609 270 312 Choice One Communications Inc
20115 270 591 Charter Communications
21502 270 273 NUMERICABLE is a cabled netwo
4323 259 809 Time Warner Telecom
11456 256 301 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:10 12:1435 13:1 15:5 16:2
17:3 20:5 24:752 32:71 33:2 38:84
40:55 44:3 47:2 52:3 55:1 56:3
57:24 60:2 61:629 62:503 63:1859 64:2488
65:2071 66:2474 67:458 68:537 69:802 70:42
72:10 80:530 81:560 82:352 83:208 84:55
85:4 128:116 129:165 130:89 131:191 132:29
134:185 135:30 136:187 137:78 138:191 139:36
140:222 141:107 142:129 143:120 144:164 145:43
146:282 147:95 148:331 149:111 150:92 151:62
152:129 153:68 154:2 155:131 156:62 157:70
158:134 159:162 160:59 161:73 162:379 163:83
164:220 165:162 166:118 167:222 168:356 169:123
170:314 171:9 192:5667 193:2956 194:2174 195:1543
196:584 198:3865 199:3306 200:3850 201:25 202:4914
203:5794 204:3563 205:2106 206:2314 207:2621 208:2104
209:3110 210:1519 211:649 212:1160 213:1228 214:225
215:31 216:3720 217:1056 218:178 219:84 220:285
221:66 222:21
End of report
Routing Table Report 04:00 +10GMT Thu 25 Nov, 2004
Analysis Summary
----------------
BGP routing table entries examined: 151223
Prefixes after maximum aggregation: 89136
Unique aggregates announced to Internet: 72268
Total ASes present in the Internet Routing Table: 18514
Origin-only ASes present in the Internet Routing Table: 16058
Origin ASes announcing only one prefix: 7568
Transit ASes present in the Internet Routing Table: 2456
Transit-only ASes present in the Internet Routing Table: 69
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 23
Prefixes from unregistered ASNs in the Routing Table: 11
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1355967592
Equivalent to 80 /8s, 210 /16s and 108 /24s
Percentage of available address space announced: 36.6
Percentage of allocated address space announced: 59.1
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 69733
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 29246
Total APNIC prefixes after maximum aggregation: 14447
Prefixes being announced from the APNIC address blocks: 27310
Unique aggregates announced from the APNIC address blocks: 14216
APNIC Region origin ASes present in the Internet Routing Table: 2165
APNIC Region origin ASes announcing only one prefix: 651
APNIC Region transit ASes present in the Internet Routing Table: 334
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 167505664
Equivalent to 9 /8s, 251 /16s and 239 /24s
Percentage of available APNIC address space announced: 76.4
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 85823
Total ARIN prefixes after maximum aggregation: 52024
Prefixes being announced from the ARIN address blocks: 65697
Unique aggregates announced from the ARIN address blocks: 23563
ARIN Region origin ASes present in the Internet Routing Table: 9740
ARIN Region origin ASes announcing only one prefix: 3525
ARIN Region transit ASes present in the Internet Routing Table: 959
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 235828480
Equivalent to 14 /8s, 14 /16s and 117 /24s
Percentage of available ARIN address space announced: 70.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647,29695-30719, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 28285
Total RIPE prefixes after maximum aggregation: 19616
Prefixes being announced from the RIPE address blocks: 25043
Unique aggregates announced from the RIPE address blocks: 16443
RIPE Region origin ASes present in the Internet Routing Table: 6046
RIPE Region origin ASes announcing only one prefix: 3250
RIPE Region transit ASes present in the Internet Routing Table: 1038
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 180862208
Equivalent to 10 /8s, 199 /16s and 189 /24s
Percentage of available RIPE address space announced: 63.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-34815
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 6605
Total LACNIC prefixes after maximum aggregation: 2353
Prefixes being announced from the LACNIC address blocks: 6473
Unique aggregates announced from the LACNIC address blocks: 3990
LACNIC Region origin ASes present in the Internet Routing Table: 405
LACNIC Region origin ASes announcing only one prefix: 121
LACNIC Region transit ASes present in the Internet Routing Table: 79
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 16711936
Equivalent to 0 /8s, 255 /16s and 1 /24s
Percentage of available LACNIC address space announced: 49.8
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1254
Total AfriNIC prefixes after maximum aggregation: 696
Prefixes being announced from the AfriNIC address blocks: 866
Unique aggregates announced from the AfriNIC address blocks: 671
AfriNIC Region origin ASes present in the Internet Routing Table: 93
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2072320
Equivalent to 0 /8s, 31 /16s and 159 /24s
Percentage of available AfriNIC address space announced: 12.4
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 861 4405 163 Data Communications Bureau
1221 739 1178 556 Telstra Pty Ltd
9583 551 47 40 Satyam Infoway Ltd.,
4766 547 3408 268 Korea Internet Exchange for "
4755 389 134 69 Videsh Sanchar Nigam Ltd. Aut
17676 383 5740 57 XTAGE CORPORATION
9443 356 69 80 Primus Telecommunications
2907 354 1857 328 SINET Japan
9929 344 161 33 China Netcom Corp.
703 318 346 246 UUNET
17557 314 23 156 Pakistan Telecom
2764 284 273 231 connect.com.au pty ltd
7474 271 268 202 Optus Communications Pty Ltd
4802 234 28 142 Wantree Development
9800 231 380 70 CHINA UNICOM
9942 229 72 123 COMindico Australia
7563 228 48 165 Korea Internet Infrastructure
9498 228 81 52 BHARTI BT INTERNET LTD.
10036 217 20 198 C&M Communication Co. Ltd.
4814 210 232 6 China Telecom (Group)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1421 6632 983 AT&T WorldNet Services
701 1239 8384 885 UUNET Technologies, Inc.
721 1038 21084 305 DLA Systems Automation Center
1239 926 2881 614 Sprint
2386 851 531 612 AT&T Data Communications Serv
6197 810 381 352 BellSouth Network Solutions,
4323 809 672 221 Time Warner Telecom
18566 754 208 6 Covad Communications
209 656 3429 508 Qwest
3356 641 10963 462 Level 3 Communications, LLC
20115 590 461 314 Charter Communications
3561 550 2377 418 Cable & Wireless USA
852 517 1141 397 Telus Advanced Communications
7843 478 725 85 Adelphia Corp.
7132 450 8289 382 SBC Internet Services
27364 444 36 19 Armstrong Cable Services
6198 440 378 204 BellSouth Network Solutions,
6478 435 775 96 AT&T Worldnet Services
5668 417 87 18 Century Telephone
22909 415 881 59 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 634 2027 524 UUNET - Commercial IP service
3320 303 2997 237 Deutsche Telekom AG
3301 280 1100 272 TeliaNet Sweden
8220 279 461 264 COLT Internet - International
21502 273 40 3 NUMERICABLE is a cabled netwo
3300 256 167 81 AUCS Communications Services
680 251 2025 239 DFN-IP service G-WiN
3246 220 478 216 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 210 722 175 SWIPnet Swedish IP Network
8708 206 116 186 Romania Data Systems S.A.
5515 193 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 162 956 78 France Telecom Transpac
8866 160 20 7 Bulgarian Telecommunication C
719 158 322 105 LANLINK autonomous system
6746 157 30 127 Dynamic Network Technologies,
3269 153 1297 69 TELECOM ITALIA
25186 148 154 104 France Telecom Transpac's Tra
5400 141 206 114 BT Ignite European Backbone
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 351 139 73 ImpSat
8151 307 471 133 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
11172 210 99 55 Servicios Alestra S.A de C.V
6147 192 94 20 Telefonica Del Peru
11664 154 12 30 Keytech SA
7303 141 65 22 Telecom Argentina Stet-France
6505 140 90 94 Global One Communicaoes Ltda
6503 125 164 83 AVANTEL, S.A.
11992 103 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
11311 86 8 23 Sinectis S.A.
6535 85 7 18 Chilesat Servicios Empresari
10481 82 32 7 Prima S.A.
14420 81 5 33 ANDINATEL S.A.
4270 80 18 9 Red de Interconexion Universi
13999 78 52 9 Mega Cable S.A. de C.V.
15311 77 23 37 Telefonica Empresas
5639 75 8 8 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 636 225 The Internet Solution
5536 111 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 98 276 71 The Internetworking Company o
20928 56 16 1 Noor Advanced Technologies AS
24835 41 34 7 RAYA Telecom - Egypt
9129 35 3 4 UUNET Kenya
6713 30 38 9 Itissalat Al-MAGHRIB
5713 26 125 24 Telkom SA Ltd
8524 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
12455 19 4 2 Jambonet Autonomous system
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8452 17 20 5 TEDATA
21280 16 2 3 Swift Global Kenya Ltd.Is an
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
15808 13 1 2 Communication Solutions Ltd i
17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 754 748 Covad Communications
721 1038 733 DLA Systems Automation Center
4134 861 698 Data Communications Bureau
4323 809 588 Time Warner Telecom
9583 551 511 Satyam Infoway Ltd.,
6197 810 458 BellSouth Network Solutions,
27364 444 425 Armstrong Cable Services
5668 417 399 Century Telephone
7843 478 393 Adelphia Corp.
22773 404 385 Cox Communications, Inc. Atla
22909 415 356 Comcast Cable Corporation
701 1239 354 UUNET Technologies, Inc.
6467 380 349 E.Spire Communications, Inc.
6478 435 339 AT&T Worldnet Services
17676 383 326 XTAGE CORPORATION
4755 389 320 Videsh Sanchar Nigam Ltd. Aut
1239 926 312 Sprint
9929 344 311 China Netcom Corp.
4355 392 293 EarthLink, Inc.
4766 547 279 Korea Internet Exchange for "
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65400 PRIVATE 192.55.193.0/24 1290 PSINet UK Ltd.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd
65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies,
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:3 /10:7 /11:15 /12:61
/13:140 /14:315 /15:556 /16:8154 /17:2271 /18:3971
/19:9878 /20:10456 /21:8052 /22:11105 /23:12705 /24:82651
/25:256 /26:224 /27:117 /28:68 /29:39 /30:117
/31:0 /32:43
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 739 754 Covad Communications
6197 658 810 BellSouth Network Solutions,
2386 614 851 AT&T Data Communications Serv
7018 579 1421 AT&T WorldNet Services
27364 429 444 Armstrong Cable Services
702 389 634 UUNET - Commercial IP service
9583 382 551 Satyam Infoway Ltd.,
1239 368 926 Sprint
4766 367 547 Korea Internet Exchange for "
5668 360 417 Century Telephone
701 357 1239 UUNET Technologies, Inc.
6198 321 440 BellSouth Network Solutions,
6467 289 380 E.Spire Communications, Inc.
6517 280 303 Yipes Communications, Inc.
9929 275 344 China Netcom Corp.
21502 270 273 NUMERICABLE is a cabled netwo
13609 269 311 Choice One Communications Inc
20115 269 590 Charter Communications
4323 259 809 Time Warner Telecom
11456 258 303 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:10 12:1435 13:1 15:5 16:2
17:3 20:5 24:752 32:71 33:2 38:84
40:55 44:3 47:2 52:3 55:1 56:3
57:24 60:3 61:625 62:500 63:1863 64:2475
65:2072 66:2469 67:460 68:537 69:794 70:42
72:10 80:526 81:574 82:352 83:209 84:56
85:4 128:115 129:164 130:88 131:192 132:28
134:185 135:30 136:187 137:80 138:191 139:36
140:222 141:107 142:129 143:120 144:162 145:43
146:282 147:95 148:329 149:111 150:93 151:62
152:129 153:68 154:2 155:131 156:62 157:70
158:135 159:162 160:59 161:73 162:379 163:84
164:217 165:162 166:118 167:222 168:355 169:123
170:314 171:9 192:5670 193:2943 194:2175 195:1541
196:589 198:3905 199:3309 200:3848 201:25 202:4908
203:5780 204:3545 205:2107 206:2330 207:2621 208:2101
209:3099 210:1499 211:648 212:1159 213:1232 214:224
215:31 216:3709 217:1058 218:178 219:84 220:285
221:66 222:21
End of report
Routing Table Report 04:00 +10GMT Wed 24 Nov, 2004
Analysis Summary
----------------
BGP routing table entries examined: 151081
Prefixes after maximum aggregation: 89085
Unique aggregates announced to Internet: 72212
Total ASes present in the Internet Routing Table: 18504
Origin-only ASes present in the Internet Routing Table: 16045
Origin ASes announcing only one prefix: 7565
Transit ASes present in the Internet Routing Table: 2459
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 19
Prefixes from unregistered ASNs in the Routing Table: 11
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1355490408
Equivalent to 80 /8s, 203 /16s and 36 /24s
Percentage of available address space announced: 36.6
Percentage of allocated address space announced: 59.1
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 69654
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 29275
Total APNIC prefixes after maximum aggregation: 14440
Prefixes being announced from the APNIC address blocks: 27337
Unique aggregates announced from the APNIC address blocks: 14194
APNIC Region origin ASes present in the Internet Routing Table: 2163
APNIC Region origin ASes announcing only one prefix: 648
APNIC Region transit ASes present in the Internet Routing Table: 331
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 167229184
Equivalent to 9 /8s, 247 /16s and 183 /24s
Percentage of available APNIC address space announced: 76.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 85745
Total ARIN prefixes after maximum aggregation: 52011
Prefixes being announced from the ARIN address blocks: 65657
Unique aggregates announced from the ARIN address blocks: 23572
ARIN Region origin ASes present in the Internet Routing Table: 9740
ARIN Region origin ASes announcing only one prefix: 3531
ARIN Region transit ASes present in the Internet Routing Table: 960
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 235787008
Equivalent to 14 /8s, 13 /16s and 211 /24s
Percentage of available ARIN address space announced: 70.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647,29695-30719, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 28198
Total RIPE prefixes after maximum aggregation: 19585
Prefixes being announced from the RIPE address blocks: 24950
Unique aggregates announced from the RIPE address blocks: 16421
RIPE Region origin ASes present in the Internet Routing Table: 6036
RIPE Region origin ASes announcing only one prefix: 3244
RIPE Region transit ASes present in the Internet Routing Table: 1040
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 180720384
Equivalent to 10 /8s, 197 /16s and 147 /24s
Percentage of available RIPE address space announced: 63.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-34815
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 6603
Total LACNIC prefixes after maximum aggregation: 2352
Prefixes being announced from the LACNIC address blocks: 6456
Unique aggregates announced from the LACNIC address blocks: 3972
LACNIC Region origin ASes present in the Internet Routing Table: 405
LACNIC Region origin ASes announcing only one prefix: 121
LACNIC Region transit ASes present in the Internet Routing Table: 80
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 16685824
Equivalent to 0 /8s, 254 /16s and 155 /24s
Percentage of available LACNIC address space announced: 49.7
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1250
Total AfriNIC prefixes after maximum aggregation: 697
Prefixes being announced from the AfriNIC address blocks: 866
Unique aggregates announced from the AfriNIC address blocks: 671
AfriNIC Region origin ASes present in the Internet Routing Table: 93
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2072320
Equivalent to 0 /8s, 31 /16s and 159 /24s
Percentage of available AfriNIC address space announced: 12.4
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 861 4405 163 Data Communications Bureau
1221 793 1182 568 Telstra Pty Ltd
9583 552 47 40 Satyam Infoway Ltd.,
4766 547 3408 268 Korea Internet Exchange for "
4755 388 134 70 Videsh Sanchar Nigam Ltd. Aut
17676 380 5692 56 XTAGE CORPORATION
9443 356 69 80 Primus Telecommunications
2907 354 1857 328 SINET Japan
9929 344 161 33 China Netcom Corp.
703 318 346 246 UUNET
17557 314 23 156 Pakistan Telecom
2764 286 273 232 connect.com.au pty ltd
7474 268 268 200 Optus Communications Pty Ltd
4802 234 28 142 Wantree Development
9800 231 380 70 CHINA UNICOM
7563 229 48 166 Korea Internet Infrastructure
9942 229 72 123 COMindico Australia
9498 227 81 53 BHARTI BT INTERNET LTD.
10036 217 20 198 C&M Communication Co. Ltd.
4814 210 232 6 China Telecom (Group)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1422 6633 983 AT&T WorldNet Services
701 1236 8382 882 UUNET Technologies, Inc.
721 1031 21074 302 DLA Systems Automation Center
1239 924 2880 612 Sprint
2386 851 531 612 AT&T Data Communications Serv
6197 810 381 353 BellSouth Network Solutions,
4323 808 672 221 Time Warner Telecom
18566 754 208 6 Covad Communications
209 654 3429 508 Qwest
3356 634 10962 459 Level 3 Communications, LLC
20115 606 462 326 Charter Communications
3561 551 2377 419 Cable & Wireless USA
852 517 1141 397 Telus Advanced Communications
7843 478 725 85 Adelphia Corp.
7132 450 8289 382 SBC Internet Services
27364 444 36 19 Armstrong Cable Services
6198 438 377 202 BellSouth Network Solutions,
6478 435 775 96 AT&T Worldnet Services
5668 417 87 18 Century Telephone
22909 415 881 59 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 634 2027 524 UUNET - Commercial IP service
3320 302 2997 237 Deutsche Telekom AG
8220 280 463 265 COLT Internet - International
3301 279 1100 270 TeliaNet Sweden
3300 257 167 82 AUCS Communications Services
680 251 2025 239 DFN-IP service G-WiN
21502 246 40 3 NUMERICABLE is a cabled netwo
3246 220 478 216 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 210 722 175 SWIPnet Swedish IP Network
8708 205 116 186 Romania Data Systems S.A.
5515 192 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 162 956 78 France Telecom Transpac
8866 160 20 7 Bulgarian Telecommunication C
719 158 322 105 LANLINK autonomous system
6746 157 30 127 Dynamic Network Technologies,
3269 151 1289 68 TELECOM ITALIA
25186 148 154 104 France Telecom Transpac's Tra
5400 141 206 114 BT Ignite European Backbone
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 351 139 73 ImpSat
8151 307 471 133 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
11172 210 99 55 Servicios Alestra S.A de C.V
6147 191 94 20 Telefonica Del Peru
11664 154 12 30 Keytech SA
6505 141 90 95 Global One Communicaoes Ltda
7303 141 65 22 Telecom Argentina Stet-France
6503 125 164 83 AVANTEL, S.A.
11992 103 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
11311 86 8 23 Sinectis S.A.
6535 85 7 18 Chilesat Servicios Empresari
10481 82 32 7 Prima S.A.
14420 82 5 33 ANDINATEL S.A.
4270 80 18 9 Red de Interconexion Universi
13999 78 52 9 Mega Cable S.A. de C.V.
15311 77 23 37 Telefonica Empresas
5639 75 8 8 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 636 225 The Internet Solution
5536 111 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 98 276 71 The Internetworking Company o
20928 55 16 1 Noor Advanced Technologies AS
24835 41 34 7 RAYA Telecom - Egypt
9129 33 3 4 UUNET Kenya
6713 30 38 9 Itissalat Al-MAGHRIB
5713 26 125 24 Telkom SA Ltd
8524 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8452 17 20 5 TEDATA
12455 17 4 2 Jambonet Autonomous system
21280 16 2 3 Swift Global Kenya Ltd.Is an
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
15808 13 1 2 Communication Solutions Ltd i
17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 754 748 Covad Communications
721 1031 729 DLA Systems Automation Center
4134 861 698 Data Communications Bureau
4323 808 587 Time Warner Telecom
9583 552 512 Satyam Infoway Ltd.,
6197 810 457 BellSouth Network Solutions,
27364 444 425 Armstrong Cable Services
5668 417 399 Century Telephone
7843 478 393 Adelphia Corp.
22773 404 385 Cox Communications, Inc. Atla
22909 415 356 Comcast Cable Corporation
701 1236 354 UUNET Technologies, Inc.
6467 380 349 E.Spire Communications, Inc.
6478 435 339 AT&T Worldnet Services
17676 380 324 XTAGE CORPORATION
4755 388 318 Videsh Sanchar Nigam Ltd. Aut
1239 924 312 Sprint
9929 344 311 China Netcom Corp.
4355 392 293 EarthLink, Inc.
20115 606 280 Charter Communications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65400 PRIVATE 192.55.193.0/24 1290 PSINet UK Ltd.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd
65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies,
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:3 /10:7 /11:15 /12:61
/13:140 /14:315 /15:556 /16:8145 /17:2273 /18:3963
/19:9881 /20:10440 /21:8049 /22:11097 /23:12694 /24:82566
/25:248 /26:225 /27:117 /28:68 /29:39 /30:117
/31:0 /32:43
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 739 754 Covad Communications
6197 657 810 BellSouth Network Solutions,
2386 614 851 AT&T Data Communications Serv
7018 578 1422 AT&T WorldNet Services
27364 429 444 Armstrong Cable Services
702 389 634 UUNET - Commercial IP service
9583 383 552 Satyam Infoway Ltd.,
1239 368 924 Sprint
4766 367 547 Korea Internet Exchange for "
5668 360 417 Century Telephone
701 358 1236 UUNET Technologies, Inc.
6198 319 438 BellSouth Network Solutions,
6467 289 380 E.Spire Communications, Inc.
20115 285 606 Charter Communications
6517 279 302 Yipes Communications, Inc.
9929 275 344 China Netcom Corp.
13609 269 311 Choice One Communications Inc
4323 258 808 Time Warner Telecom
11456 258 303 Carolina Online, Inc.
3320 247 302 Deutsche Telekom AG
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:10 12:1436 13:1 15:5 16:2
17:3 20:5 24:767 32:71 33:2 38:84
40:55 44:3 47:2 52:3 55:1 56:3
57:24 60:3 61:636 62:500 63:1862 64:2474
65:2070 66:2468 67:457 68:536 69:794 70:40
72:10 80:528 81:555 82:342 83:208 84:53
128:116 129:164 130:89 131:192 132:26 134:185
135:30 136:189 137:80 138:188 139:36 140:222
141:107 142:129 143:120 144:157 145:42 146:283
147:95 148:329 149:111 150:93 151:62 152:129
153:68 154:2 155:131 156:59 157:69 158:135
159:164 160:59 161:73 162:379 163:83 164:218
165:162 166:117 167:223 168:356 169:123 170:313
171:9 192:5665 193:2943 194:2168 195:1535 196:589
198:3876 199:3307 200:3839 201:25 202:4902 203:5790
204:3567 205:2093 206:2327 207:2624 208:2104 209:3098
210:1519 211:649 212:1145 213:1230 214:224 215:31
216:3700 217:1050 218:178 219:84 220:283 221:66
222:21
End of report
Routing Table Report 04:00 +10GMT Tue 23 Nov, 2004
Analysis Summary
----------------
BGP routing table entries examined: 151172
Prefixes after maximum aggregation: 89073
Unique aggregates announced to Internet: 72181
Total ASes present in the Internet Routing Table: 18478
Origin-only ASes present in the Internet Routing Table: 16023
Origin ASes announcing only one prefix: 7540
Transit ASes present in the Internet Routing Table: 2455
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 19
Prefixes from unregistered ASNs in the Routing Table: 11
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1355316840
Equivalent to 80 /8s, 200 /16s and 126 /24s
Percentage of available address space announced: 36.6
Percentage of allocated address space announced: 59.1
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 69660
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 29313
Total APNIC prefixes after maximum aggregation: 14434
Prefixes being announced from the APNIC address blocks: 27370
Unique aggregates announced from the APNIC address blocks: 14214
APNIC Region origin ASes present in the Internet Routing Table: 2166
APNIC Region origin ASes announcing only one prefix: 650
APNIC Region transit ASes present in the Internet Routing Table: 330
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 167242496
Equivalent to 9 /8s, 247 /16s and 235 /24s
Percentage of available APNIC address space announced: 76.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 85806
Total ARIN prefixes after maximum aggregation: 52031
Prefixes being announced from the ARIN address blocks: 65724
Unique aggregates announced from the ARIN address blocks: 23571
ARIN Region origin ASes present in the Internet Routing Table: 9729
ARIN Region origin ASes announcing only one prefix: 3522
ARIN Region transit ASes present in the Internet Routing Table: 957
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 235694336
Equivalent to 14 /8s, 12 /16s and 105 /24s
Percentage of available ARIN address space announced: 70.2
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647,29695-30719, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 28186
Total RIPE prefixes after maximum aggregation: 19555
Prefixes being announced from the RIPE address blocks: 24938
Unique aggregates announced from the RIPE address blocks: 16372
RIPE Region origin ASes present in the Internet Routing Table: 6017
RIPE Region origin ASes announcing only one prefix: 3227
RIPE Region transit ASes present in the Internet Routing Table: 1041
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 180645376
Equivalent to 10 /8s, 196 /16s and 110 /24s
Percentage of available RIPE address space announced: 63.3
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-34815
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 6606
Total LACNIC prefixes after maximum aggregation: 2358
Prefixes being announced from the LACNIC address blocks: 6459
Unique aggregates announced from the LACNIC address blocks: 3978
LACNIC Region origin ASes present in the Internet Routing Table: 404
LACNIC Region origin ASes announcing only one prefix: 120
LACNIC Region transit ASes present in the Internet Routing Table: 80
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 16623360
Equivalent to 0 /8s, 253 /16s and 167 /24s
Percentage of available LACNIC address space announced: 49.5
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1251
Total AfriNIC prefixes after maximum aggregation: 695
Prefixes being announced from the AfriNIC address blocks: 859
Unique aggregates announced from the AfriNIC address blocks: 668
AfriNIC Region origin ASes present in the Internet Routing Table: 93
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2067200
Equivalent to 0 /8s, 31 /16s and 139 /24s
Percentage of available AfriNIC address space announced: 12.3
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 861 4405 163 Data Communications Bureau
1221 794 1182 569 Telstra Pty Ltd
9583 552 47 40 Satyam Infoway Ltd.,
4766 545 3408 266 Korea Internet Exchange for "
4755 385 133 66 Videsh Sanchar Nigam Ltd. Aut
17676 380 5692 56 XTAGE CORPORATION
9443 356 69 80 Primus Telecommunications
2907 354 1857 328 SINET Japan
9929 344 161 33 China Netcom Corp.
703 318 346 246 UUNET
17557 315 23 156 Pakistan Telecom
2764 286 273 233 connect.com.au pty ltd
7474 267 268 199 Optus Communications Pty Ltd
4802 233 28 141 Wantree Development
9800 230 380 70 CHINA UNICOM
7563 229 48 166 Korea Internet Infrastructure
9942 229 72 123 COMindico Australia
9498 227 81 52 BHARTI BT INTERNET LTD.
10036 217 20 198 C&M Communication Co. Ltd.
4814 210 232 6 China Telecom (Group)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1422 6633 984 AT&T WorldNet Services
701 1238 8383 884 UUNET Technologies, Inc.
721 1027 21018 299 DLA Systems Automation Center
1239 929 2881 616 Sprint
2386 850 530 611 AT&T Data Communications Serv
6197 810 381 353 BellSouth Network Solutions,
4323 804 672 221 Time Warner Telecom
18566 754 208 6 Covad Communications
3356 666 10959 458 Level 3 Communications, LLC
209 656 3429 511 Qwest
20115 607 462 326 Charter Communications
3561 547 2375 418 Cable & Wireless USA
852 518 1141 398 Telus Advanced Communications
7843 482 726 85 Adelphia Corp.
27364 451 36 19 Armstrong Cable Services
7132 448 8289 380 SBC Internet Services
6198 439 377 202 BellSouth Network Solutions,
6478 435 775 96 AT&T Worldnet Services
5668 417 87 18 Century Telephone
22909 415 881 59 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 634 2027 524 UUNET - Commercial IP service
3320 302 2997 237 Deutsche Telekom AG
8220 280 463 265 COLT Internet - International
3301 277 1099 268 TeliaNet Sweden
3300 256 167 81 AUCS Communications Services
680 251 2025 239 DFN-IP service G-WiN
21502 246 40 3 NUMERICABLE is a cabled netwo
13083 217 51 8 Mannesmann Datenverarbeitung
3246 211 475 207 Song Networks
1257 210 722 175 SWIPnet Swedish IP Network
8708 205 116 186 Romania Data Systems S.A.
5515 192 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 162 956 78 France Telecom Transpac
8866 160 20 7 Bulgarian Telecommunication C
719 158 322 105 LANLINK autonomous system
6746 155 30 126 Dynamic Network Technologies,
3269 151 1289 68 TELECOM ITALIA
25186 148 154 104 France Telecom Transpac's Tra
5400 142 206 115 BT Ignite European Backbone
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 351 139 73 ImpSat
8151 307 471 133 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
11172 210 99 55 Servicios Alestra S.A de C.V
6147 192 94 20 Telefonica Del Peru
11664 153 12 34 Keytech SA
6505 141 90 95 Global One Communicaoes Ltda
7303 141 65 22 Telecom Argentina Stet-France
6503 125 164 83 AVANTEL, S.A.
11992 103 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
11311 86 8 23 Sinectis S.A.
6535 85 7 18 Chilesat Servicios Empresari
10481 82 32 7 Prima S.A.
14420 82 5 33 ANDINATEL S.A.
4270 80 18 9 Red de Interconexion Universi
13999 77 52 9 Mega Cable S.A. de C.V.
15311 77 23 37 Telefonica Empresas
5639 75 8 8 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 636 225 The Internet Solution
5536 111 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 98 276 71 The Internetworking Company o
20928 55 16 1 Noor Advanced Technologies AS
24835 41 34 7 RAYA Telecom - Egypt
9129 35 3 4 UUNET Kenya
6713 30 38 9 Itissalat Al-MAGHRIB
5713 26 125 24 Telkom SA Ltd
8524 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
8452 18 20 5 TEDATA
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
12455 17 4 2 Jambonet Autonomous system
21280 16 2 3 Swift Global Kenya Ltd.Is an
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
15808 13 1 2 Communication Solutions Ltd i
17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 754 748 Covad Communications
721 1027 728 DLA Systems Automation Center
4134 861 698 Data Communications Bureau
4323 804 583 Time Warner Telecom
9583 552 512 Satyam Infoway Ltd.,
6197 810 457 BellSouth Network Solutions,
27364 451 432 Armstrong Cable Services
5668 417 399 Century Telephone
7843 482 397 Adelphia Corp.
22773 404 385 Cox Communications, Inc. Atla
22909 415 356 Comcast Cable Corporation
701 1238 354 UUNET Technologies, Inc.
6467 380 349 E.Spire Communications, Inc.
6478 435 339 AT&T Worldnet Services
17676 380 324 XTAGE CORPORATION
4755 385 319 Videsh Sanchar Nigam Ltd. Aut
1239 929 313 Sprint
9929 344 311 China Netcom Corp.
13609 333 298 Choice One Communications Inc
4355 392 293 EarthLink, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65400 PRIVATE 192.55.193.0/24 1290 PSINet UK Ltd.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd
65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies,
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:3 /10:7 /11:15 /12:61
/13:140 /14:315 /15:556 /16:8146 /17:2285 /18:3962
/19:9872 /20:10438 /21:8038 /22:11098 /23:12708 /24:82653
/25:248 /26:226 /27:116 /28:69 /29:39 /30:118
/31:0 /32:40
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 739 754 Covad Communications
6197 657 810 BellSouth Network Solutions,
2386 613 850 AT&T Data Communications Serv
7018 578 1422 AT&T WorldNet Services
27364 436 451 Armstrong Cable Services
702 388 634 UUNET - Commercial IP service
9583 383 552 Satyam Infoway Ltd.,
1239 369 929 Sprint
4766 366 545 Korea Internet Exchange for "
5668 360 417 Century Telephone
701 358 1238 UUNET Technologies, Inc.
6198 320 439 BellSouth Network Solutions,
13609 290 333 Choice One Communications Inc
6467 289 380 E.Spire Communications, Inc.
20115 286 607 Charter Communications
6517 278 301 Yipes Communications, Inc.
9929 275 344 China Netcom Corp.
11456 258 303 Carolina Online, Inc.
4323 256 804 Time Warner Telecom
3320 247 302 Deutsche Telekom AG
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:11 12:1434 13:1 15:5 16:2
17:3 20:5 24:775 32:71 33:2 38:84
40:55 44:3 47:2 52:3 55:1 56:3
57:24 60:3 61:635 62:504 63:1864 64:2478
65:2071 66:2465 67:457 68:534 69:790 70:40
72:10 80:525 81:538 82:341 83:208 84:54
128:113 129:163 130:89 131:191 132:26 134:185
135:30 136:188 137:80 138:189 139:36 140:222
141:107 142:127 143:120 144:157 145:42 146:293
147:95 148:329 149:111 150:93 151:62 152:130
153:68 154:2 155:131 156:57 157:69 158:135
159:164 160:61 161:73 162:378 163:83 164:218
165:162 166:117 167:222 168:356 169:123 170:312
171:9 192:5665 193:2940 194:2170 195:1534 196:585
198:3876 199:3308 200:3840 201:25 202:4935 203:5790
204:3591 205:2107 206:2332 207:2623 208:2107 209:3101
210:1516 211:649 212:1159 213:1233 214:224 215:31
216:3702 217:1056 218:178 219:83 220:283 221:66
222:21
End of report
Routing Table Report 04:00 +10GMT Mon 22 Nov, 2004
Analysis Summary
----------------
BGP routing table entries examined: 151102
Prefixes after maximum aggregation: 89050
Unique aggregates announced to Internet: 72182
Total ASes present in the Internet Routing Table: 18477
Origin-only ASes present in the Internet Routing Table: 16024
Origin ASes announcing only one prefix: 7537
Transit ASes present in the Internet Routing Table: 2453
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 19
Prefixes from unregistered ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1354560104
Equivalent to 80 /8s, 188 /16s and 242 /24s
Percentage of available address space announced: 36.5
Percentage of allocated address space announced: 59.1
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 69611
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 29285
Total APNIC prefixes after maximum aggregation: 14426
Prefixes being announced from the APNIC address blocks: 27345
Unique aggregates announced from the APNIC address blocks: 14204
APNIC Region origin ASes present in the Internet Routing Table: 2162
APNIC Region origin ASes announcing only one prefix: 650
APNIC Region transit ASes present in the Internet Routing Table: 332
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 166948608
Equivalent to 9 /8s, 243 /16s and 111 /24s
Percentage of available APNIC address space announced: 76.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 85814
Total ARIN prefixes after maximum aggregation: 52015
Prefixes being announced from the ARIN address blocks: 65750
Unique aggregates announced from the ARIN address blocks: 23562
ARIN Region origin ASes present in the Internet Routing Table: 9734
ARIN Region origin ASes announcing only one prefix: 3521
ARIN Region transit ASes present in the Internet Routing Table: 956
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 235632896
Equivalent to 14 /8s, 11 /16s and 121 /24s
Percentage of available ARIN address space announced: 70.2
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647,29695-30719, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 28151
Total RIPE prefixes after maximum aggregation: 19557
Prefixes being announced from the RIPE address blocks: 24893
Unique aggregates announced from the RIPE address blocks: 16394
RIPE Region origin ASes present in the Internet Routing Table: 6016
RIPE Region origin ASes announcing only one prefix: 3226
RIPE Region transit ASes present in the Internet Routing Table: 1038
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 180414976
Equivalent to 10 /8s, 192 /16s and 234 /24s
Percentage of available RIPE address space announced: 63.3
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-34815
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 6600
Total LACNIC prefixes after maximum aggregation: 2357
Prefixes being announced from the LACNIC address blocks: 6447
Unique aggregates announced from the LACNIC address blocks: 3977
LACNIC Region origin ASes present in the Internet Routing Table: 403
LACNIC Region origin ASes announcing only one prefix: 119
LACNIC Region transit ASes present in the Internet Routing Table: 80
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 16623104
Equivalent to 0 /8s, 253 /16s and 166 /24s
Percentage of available LACNIC address space announced: 49.5
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1243
Total AfriNIC prefixes after maximum aggregation: 695
Prefixes being announced from the AfriNIC address blocks: 857
Unique aggregates announced from the AfriNIC address blocks: 667
AfriNIC Region origin ASes present in the Internet Routing Table: 93
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2066432
Equivalent to 0 /8s, 31 /16s and 136 /24s
Percentage of available AfriNIC address space announced: 12.3
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 859 4403 163 Data Communications Bureau
1221 795 1182 570 Telstra Pty Ltd
9583 552 47 40 Satyam Infoway Ltd.,
4766 545 3408 266 Korea Internet Exchange for "
4755 382 133 66 Videsh Sanchar Nigam Ltd. Aut
17676 376 5628 53 XTAGE CORPORATION
9443 356 69 80 Primus Telecommunications
2907 354 1857 328 SINET Japan
9929 344 161 33 China Netcom Corp.
703 318 346 246 UUNET
17557 315 23 156 Pakistan Telecom
2764 287 273 233 connect.com.au pty ltd
7474 267 268 199 Optus Communications Pty Ltd
4802 234 28 142 Wantree Development
7563 230 48 167 Korea Internet Infrastructure
9800 230 380 70 CHINA UNICOM
9942 229 72 123 COMindico Australia
9498 225 81 52 BHARTI BT INTERNET LTD.
10036 217 20 198 C&M Communication Co. Ltd.
4814 210 232 6 China Telecom (Group)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1424 6633 984 AT&T WorldNet Services
701 1237 8383 883 UUNET Technologies, Inc.
721 1027 21018 299 DLA Systems Automation Center
1239 926 2881 614 Sprint
2386 851 531 612 AT&T Data Communications Serv
6197 809 381 353 BellSouth Network Solutions,
4323 805 672 221 Time Warner Telecom
18566 754 208 6 Covad Communications
209 667 3429 511 Qwest
3356 661 10959 458 Level 3 Communications, LLC
20115 607 462 326 Charter Communications
3561 547 2375 418 Cable & Wireless USA
852 521 1141 398 Telus Advanced Communications
7843 481 726 77 Adelphia Corp.
27364 451 36 19 Armstrong Cable Services
7132 448 8289 380 SBC Internet Services
6198 439 377 202 BellSouth Network Solutions,
6478 435 775 96 AT&T Worldnet Services
5668 417 87 18 Century Telephone
22909 414 880 63 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 633 2026 523 UUNET - Commercial IP service
3320 302 2997 237 Deutsche Telekom AG
8220 280 463 265 COLT Internet - International
3301 278 1100 269 TeliaNet Sweden
3300 257 167 82 AUCS Communications Services
680 251 2025 239 DFN-IP service G-WiN
21502 246 40 3 NUMERICABLE is a cabled netwo
3246 219 477 215 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 204 722 175 SWIPnet Swedish IP Network
8708 204 116 185 Romania Data Systems S.A.
5515 192 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 161 956 78 France Telecom Transpac
8866 160 20 7 Bulgarian Telecommunication C
719 157 322 105 LANLINK autonomous system
6746 156 30 127 Dynamic Network Technologies,
3269 151 1289 68 TELECOM ITALIA
25186 148 154 104 France Telecom Transpac's Tra
5400 142 206 115 BT Ignite European Backbone
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 350 139 75 ImpSat
8151 307 471 133 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
11172 210 99 55 Servicios Alestra S.A de C.V
6147 192 94 20 Telefonica Del Peru
11664 152 12 34 Keytech SA
7303 141 65 22 Telecom Argentina Stet-France
6505 140 90 94 Global One Communicaoes Ltda
6503 125 164 83 AVANTEL, S.A.
11992 103 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
11311 86 8 23 Sinectis S.A.
6535 85 7 18 Chilesat Servicios Empresari
10481 82 32 7 Prima S.A.
14420 81 5 33 ANDINATEL S.A.
4270 80 18 9 Red de Interconexion Universi
13999 78 52 9 Mega Cable S.A. de C.V.
15311 77 23 37 Telefonica Empresas
5639 75 8 8 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 636 225 The Internet Solution
5536 111 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 99 276 72 The Internetworking Company o
20928 52 16 1 Noor Advanced Technologies AS
24835 39 34 7 RAYA Telecom - Egypt
9129 35 3 4 UUNET Kenya
6713 30 38 9 Itissalat Al-MAGHRIB
5713 26 125 24 Telkom SA Ltd
8524 24 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
8452 18 20 5 TEDATA
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
12455 17 4 2 Jambonet Autonomous system
21280 16 2 3 Swift Global Kenya Ltd.Is an
15706 15 4 2 Sudatel Internet Exchange Aut
8346 14 6 14 SONATEL-AS Autonomous System
15808 13 1 2 Communication Solutions Ltd i
17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 754 748 Covad Communications
721 1027 728 DLA Systems Automation Center
4134 859 696 Data Communications Bureau
4323 805 584 Time Warner Telecom
9583 552 512 Satyam Infoway Ltd.,
6197 809 456 BellSouth Network Solutions,
27364 451 432 Armstrong Cable Services
7843 481 404 Adelphia Corp.
5668 417 399 Century Telephone
22773 404 385 Cox Communications, Inc. Atla
701 1237 354 UUNET Technologies, Inc.
22909 414 351 Comcast Cable Corporation
6467 380 349 E.Spire Communications, Inc.
6478 435 339 AT&T Worldnet Services
17676 376 323 XTAGE CORPORATION
4755 382 316 Videsh Sanchar Nigam Ltd. Aut
1239 926 312 Sprint
9929 344 311 China Netcom Corp.
13609 333 298 Choice One Communications Inc
4355 392 293 EarthLink, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd
65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies,
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:3 /10:7 /11:15 /12:61
/13:140 /14:314 /15:556 /16:8140 /17:2279 /18:3958
/19:9872 /20:10435 /21:8035 /22:11091 /23:12706 /24:82611
/25:246 /26:224 /27:117 /28:70 /29:40 /30:118
/31:0 /32:45
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 739 754 Covad Communications
6197 656 809 BellSouth Network Solutions,
2386 614 851 AT&T Data Communications Serv
7018 580 1424 AT&T WorldNet Services
27364 436 451 Armstrong Cable Services
702 388 633 UUNET - Commercial IP service
9583 383 552 Satyam Infoway Ltd.,
1239 369 926 Sprint
4766 366 545 Korea Internet Exchange for "
5668 360 417 Century Telephone
701 359 1237 UUNET Technologies, Inc.
6198 320 439 BellSouth Network Solutions,
13609 290 333 Choice One Communications Inc
6467 289 380 E.Spire Communications, Inc.
20115 286 607 Charter Communications
6517 278 301 Yipes Communications, Inc.
9929 275 344 China Netcom Corp.
11456 258 303 Carolina Online, Inc.
4323 257 805 Time Warner Telecom
3320 247 302 Deutsche Telekom AG
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:11 12:1434 13:1 15:5 16:2
17:3 20:5 24:774 32:71 33:2 38:84
40:55 44:3 47:2 52:3 55:1 56:3
57:22 60:3 61:627 62:502 63:1865 64:2481
65:2071 66:2467 67:457 68:536 69:792 70:40
72:10 80:525 81:548 82:339 83:204 84:53
128:114 129:165 130:85 131:189 132:27 134:185
135:30 136:186 137:80 138:189 139:36 140:222
141:107 142:127 143:120 144:159 145:42 146:293
147:97 148:324 149:111 150:93 151:62 152:130
153:68 154:2 155:128 156:58 157:69 158:135
159:164 160:60 161:73 162:379 163:81 164:218
165:162 166:118 167:220 168:356 169:123 170:312
171:9 192:5665 193:2942 194:2157 195:1530 196:585
198:3908 199:3308 200:3839 201:25 202:4931 203:5787
204:3580 205:2094 206:2333 207:2627 208:2104 209:3105
210:1515 211:649 212:1148 213:1225 214:224 215:31
216:3703 217:1054 218:177 219:83 220:282 221:66
222:21
End of report
