Routing Table Report 04:00 +10GMT Tue 01 Mar, 2005
Analysis Summary
----------------
BGP routing table entries examined: 156734
Prefixes after maximum aggregation: 91794
Unique aggregates announced to Internet: 75896
Total ASes present in the Internet Routing Table: 19039
Origin-only ASes present in the Internet Routing Table: 16562
Origin ASes announcing only one prefix: 7722
Transit ASes present in the Internet Routing Table: 2477
Transit-only ASes present in the Internet Routing Table: 81
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: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1380281568
Equivalent to 82 /8s, 69 /16s and 108 /24s
Percentage of available address space announced: 37.2
Percentage of allocated address space announced: 58.9
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 72909
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31272
Total APNIC prefixes after maximum aggregation: 15149
Prefixes being announced from the APNIC address blocks: 29299
Unique aggregates announced from the APNIC address blocks: 15284
APNIC Region origin ASes present in the Internet Routing Table: 2215
APNIC Region origin ASes announcing only one prefix: 652
APNIC Region transit ASes present in the Internet Routing Table: 324
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 175444352
Equivalent to 10 /8s, 117 /16s and 17 /24s
Percentage of available APNIC address space announced: 65.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 87417
Total ARIN prefixes after maximum aggregation: 52975
Prefixes being announced from the ARIN address blocks: 66727
Unique aggregates announced from the ARIN address blocks: 24415
ARIN Region origin ASes present in the Internet Routing Table: 9892
ARIN Region origin ASes announcing only one prefix: 3572
ARIN Region transit ASes present in the Internet Routing Table: 947
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 239945728
Equivalent to 14 /8s, 77 /16s and 72 /24s
Percentage of available ARIN address space announced: 71.5
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, 29696-30719, 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: 29780
Total RIPE prefixes after maximum aggregation: 20553
Prefixes being announced from the RIPE address blocks: 26678
Unique aggregates announced from the RIPE address blocks: 17765
RIPE Region origin ASes present in the Internet Routing Table: 6339
RIPE Region origin ASes announcing only one prefix: 3349
RIPE Region transit ASes present in the Internet Routing Table: 1075
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 193143120
Equivalent to 11 /8s, 131 /16s and 33 /24s
Percentage of available RIPE address space announced: 67.7
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: 6878
Total LACNIC prefixes after maximum aggregation: 2407
Prefixes being announced from the LACNIC address blocks: 6797
Unique aggregates announced from the LACNIC address blocks: 4011
LACNIC Region origin ASes present in the Internet Routing Table: 420
LACNIC Region origin ASes announcing only one prefix: 125
LACNIC Region transit ASes present in the Internet Routing Table: 81
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 17648384
Equivalent to 1 /8s, 13 /16s and 75 /24s
Percentage of available LACNIC address space announced: 52.6
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1380
Total AfriNIC prefixes after maximum aggregation: 710
Prefixes being announced from the AfriNIC address blocks: 911
Unique aggregates announced from the AfriNIC address blocks: 716
AfriNIC Region origin ASes present in the Internet Routing Table: 96
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2177280
Equivalent to 0 /8s, 33 /16s and 57 /24s
Percentage of available AfriNIC address space announced: 13.0
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 886 4712 174 Data Communications Bureau
1221 789 1188 562 Telstra Pty Ltd
9583 606 49 18 Satyam Infoway Ltd.,
4766 587 3416 281 Korea Internet Exchange for "
4755 470 241 101 Videsh Sanchar Nigam Ltd. Aut
7545 463 74 158 TPG Internet Pty Ltd
17676 403 6060 70 XTAGE CORPORATION
9443 374 77 79 Primus Telecommunications
9929 353 165 37 China Netcom Corp.
2907 349 1839 323 SINET Japan
17557 324 24 149 Pakistan Telecom
10036 297 27 270 C&M Communication Co. Ltd.
7474 285 283 207 Optus Communications Pty Ltd
703 272 355 214 UUNET
2764 258 238 206 connect.com.au pty ltd
9498 245 81 53 BHARTI BT INTERNET LTD.
9800 240 395 71 CHINA UNICOM
4808 238 170 129 CHINANET core WAN North
4802 231 28 140 Wantree Development
17974 231 63 24 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1477 6610 972 AT&T WorldNet Services
721 1168 21835 318 DLA Systems Automation Center
4323 1035 668 221 Time Warner Telecom
701 1029 8307 873 UUNET Technologies, Inc.
1239 928 2872 659 Sprint
6197 869 379 407 BellSouth Network Solutions,
2386 819 497 608 AT&T Data Communications Serv
18566 767 208 6 Covad Communications
174 733 5522 637 PSINet Inc.
209 653 3466 502 Qwest
3356 591 10867 442 Level 3 Communications, LLC
20115 573 474 300 Charter Communications
3561 561 2374 416 Cable & Wireless USA
852 527 1126 399 Telus Advanced Communications
3602 501 120 93 Sprint Canada, Inc.
6478 498 830 104 AT&T Worldnet Services
22773 475 1090 24 Cox Communications, Inc. Atla
6198 467 567 189 BellSouth Network Solutions,
27364 465 43 18 Armstrong Cable Services
5668 451 91 20 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 609 2006 500 UUNET - Commercial IP service
3320 296 2992 230 Deutsche Telekom AG
3301 290 1112 278 TeliaNet Sweden
8220 277 466 271 COLT Internet - International
680 253 2041 239 DFN-IP service G-WiN
3246 226 472 220 Song Networks
8708 221 120 199 Romania Data Systems S.A.
13083 217 51 8 Mannesmann Datenverarbeitung
1257 207 708 173 SWIPnet Swedish IP Network
3215 204 1034 78 France Telecom Transpac
5515 187 842 135 Sonera Solution Autonomous Sy
6746 178 47 142 Dynamic Network Technologies,
786 176 1794 176 The JANET IP Service
8866 176 20 16 Bulgarian Telecommunication C
3300 164 185 84 AUCS Communications Services
3269 163 1424 72 TELECOM ITALIA
719 161 322 103 LANLINK autonomous system
9121 146 227 21 TTnet Autonomous System
25186 142 138 100 France Telecom Transpac's Tra
5400 139 234 123 BT Ignite European Backbone
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 361 140 70 ImpSat
8151 336 501 143 UniNet S.A. de C.V.
16814 233 14 6 NSS, S.A.
11172 220 99 54 Servicios Alestra S.A de C.V
6147 205 102 20 Telefonica Del Peru
11664 150 19 24 Keytech SA
7303 146 66 30 Telecom Argentina Stet-France
6505 134 90 90 Global One Communicaoes Ltda
14117 119 7 5 Telefonica del Sur S.A.
6503 113 145 75 AVANTEL, S.A.
11992 107 9 31 Integrated Systems
11556 97 48 3 Cable-Wireless Panama
13999 89 52 9 Mega Cable S.A. de C.V.
11311 88 8 23 Sinectis S.A.
6535 87 7 23 Chilesat Servicios Empresari
14420 87 6 42 ANDINATEL S.A.
5639 83 12 9 Telecommunications Services o
10481 81 32 7 Prima S.A.
15311 77 24 36 Telefonica Empresas
4270 76 18 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 635 225 The Internet Solution
5536 114 15 18 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
20928 86 16 2 Noor Advanced Technologies AS
2905 84 267 76 The Internetworking Company o
8452 53 20 5 TEDATA
24835 53 34 6 RAYA Telecom - Egypt
11845 42 9 11 Data Pro Business Online
6713 35 54 9 Itissalat Al-MAGHRIB
9129 31 3 2 UUNET Kenya
12455 30 6 7 Jambonet Autonomous system
5713 27 141 24 Telkom SA Ltd
8524 23 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8346 17 10 11 SONATEL-AS Autonomous System
21280 17 2 3 Swift Global Kenya Ltd.Is an
21491 16 1 3 UTL On-line is RF broadband I
15706 15 4 2 Sudatel Internet Exchange Aut
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1168 850 DLA Systems Automation Center
4323 1035 814 Time Warner Telecom
18566 767 761 Covad Communications
4134 886 712 Data Communications Bureau
9583 606 588 Satyam Infoway Ltd.,
6197 869 462 BellSouth Network Solutions,
22773 475 451 Cox Communications, Inc. Atla
27364 465 447 Armstrong Cable Services
5668 451 431 Century Telephone
3602 501 408 Sprint Canada, Inc.
6478 498 394 AT&T Worldnet Services
4755 470 369 Videsh Sanchar Nigam Ltd. Aut
17676 403 333 XTAGE CORPORATION
6467 360 327 E.Spire Communications, Inc.
9929 353 316 China Netcom Corp.
4766 587 306 Korea Internet Exchange for "
7545 463 305 TPG Internet Pty Ltd
9443 374 295 Primus Telecommunications
6140 361 291 ImpSat
6198 467 278 BellSouth Network Solutions,
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News
65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK
65535 PRIVATE 204.10.155.0/24 33205 KMC Telecom Solution
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
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
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
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 /10:8 /11:14 /12:62
/13:148 /14:306 /15:566 /16:8291 /17:2425 /18:4139
/19:10096 /20:10733 /21:8566 /22:11881 /23:13065 /24:85601
/25:266 /26:242 /27:108 /28:49 /29:24 /30:82
/31:0 /32:40
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 752 767 Covad Communications
6197 712 869 BellSouth Network Solutions,
7018 635 1477 AT&T WorldNet Services
2386 583 819 AT&T Data Communications Serv
4323 482 1035 Time Warner Telecom
27364 450 465 Armstrong Cable Services
9583 429 606 Satyam Infoway Ltd.,
4766 402 587 Korea Internet Exchange for "
5668 381 451 Century Telephone
702 371 609 UUNET - Commercial IP service
1239 371 928 Sprint
6198 334 467 BellSouth Network Solutions,
10036 297 297 C&M Communication Co. Ltd.
6517 287 309 Yipes Communications, Inc.
9929 278 353 China Netcom Corp.
6467 272 360 E.Spire Communications, Inc.
11456 263 310 Carolina Online, Inc.
13609 257 306 Choice One Communications Inc
701 247 1029 UUNET Technologies, Inc.
25844 245 245 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1489 13:1 15:9 16:2
17:3 18:4 20:5 24:736 32:64 33:4
38:98 40:55 44:3 47:2 52:3 55:2
56:3 57:23 58:1 59:3 60:21 61:708
62:528 63:1863 64:2561 65:2052 66:2710 67:521
68:503 69:890 70:65 71:10 72:73 80:545
81:519 82:331 83:270 84:130 85:138 128:137
129:162 130:94 131:279 132:36 133:1 134:142
135:30 136:191 137:65 138:159 139:53 140:198
141:101 142:140 143:129 144:171 145:44 146:278
147:100 148:267 149:164 150:95 151:63 152:110
153:85 154:3 155:143 156:71 157:81 158:152
159:166 160:67 161:59 162:420 163:85 164:216
165:164 166:129 167:226 168:401 169:133 170:310
171:9 192:5673 193:3115 194:2278 195:1588 196:639
198:3911 199:3326 200:3978 201:52 202:5197 203:6045
204:3703 205:2018 206:2348 207:2725 208:2094 209:3175
210:1584 211:798 212:1174 213:1268 214:242 215:31
216:3652 217:1075 218:190 219:104 220:367 221:89
222:72
End of report
Routing Table Report 04:00 +10GMT Mon 28 Feb, 2005
Analysis Summary
----------------
BGP routing table entries examined: 156613
Prefixes after maximum aggregation: 91701
Unique aggregates announced to Internet: 75790
Total ASes present in the Internet Routing Table: 19024
Origin-only ASes present in the Internet Routing Table: 16548
Origin ASes announcing only one prefix: 7711
Transit ASes present in the Internet Routing Table: 2476
Transit-only ASes present in the Internet Routing Table: 79
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: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1379918816
Equivalent to 82 /8s, 63 /16s and 227 /24s
Percentage of available address space announced: 37.2
Percentage of allocated address space announced: 58.9
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 72858
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31223
Total APNIC prefixes after maximum aggregation: 15143
Prefixes being announced from the APNIC address blocks: 29258
Unique aggregates announced from the APNIC address blocks: 15332
APNIC Region origin ASes present in the Internet Routing Table: 2216
APNIC Region origin ASes announcing only one prefix: 651
APNIC Region transit ASes present in the Internet Routing Table: 326
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 175091072
Equivalent to 10 /8s, 111 /16s and 173 /24s
Percentage of available APNIC address space announced: 65.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 87441
Total ARIN prefixes after maximum aggregation: 52966
Prefixes being announced from the ARIN address blocks: 66754
Unique aggregates announced from the ARIN address blocks: 24381
ARIN Region origin ASes present in the Internet Routing Table: 9883
ARIN Region origin ASes announcing only one prefix: 3567
ARIN Region transit ASes present in the Internet Routing Table: 946
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 239946240
Equivalent to 14 /8s, 77 /16s and 74 /24s
Percentage of available ARIN address space announced: 71.5
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, 29696-30719, 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: 29719
Total RIPE prefixes after maximum aggregation: 20474
Prefixes being announced from the RIPE address blocks: 26617
Unique aggregates announced from the RIPE address blocks: 17655
RIPE Region origin ASes present in the Internet Routing Table: 6334
RIPE Region origin ASes announcing only one prefix: 3343
RIPE Region transit ASes present in the Internet Routing Table: 1073
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 193163856
Equivalent to 11 /8s, 131 /16s and 114 /24s
Percentage of available RIPE address space announced: 67.7
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: 6861
Total LACNIC prefixes after maximum aggregation: 2408
Prefixes being announced from the LACNIC address blocks: 6778
Unique aggregates announced from the LACNIC address blocks: 3999
LACNIC Region origin ASes present in the Internet Routing Table: 419
LACNIC Region origin ASes announcing only one prefix: 125
LACNIC Region transit ASes present in the Internet Routing Table: 81
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 17623040
Equivalent to 1 /8s, 12 /16s and 232 /24s
Percentage of available LACNIC address space announced: 52.5
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1362
Total AfriNIC prefixes after maximum aggregation: 710
Prefixes being announced from the AfriNIC address blocks: 904
Unique aggregates announced from the AfriNIC address blocks: 716
AfriNIC Region origin ASes present in the Internet Routing Table: 97
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2177280
Equivalent to 0 /8s, 33 /16s and 57 /24s
Percentage of available AfriNIC address space announced: 13.0
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 886 4712 174 Data Communications Bureau
1221 790 1187 562 Telstra Pty Ltd
9583 603 49 18 Satyam Infoway Ltd.,
4766 593 3416 284 Korea Internet Exchange for "
4755 470 241 101 Videsh Sanchar Nigam Ltd. Aut
7545 462 74 158 TPG Internet Pty Ltd
17676 403 6060 70 XTAGE CORPORATION
9443 374 77 79 Primus Telecommunications
9929 353 165 37 China Netcom Corp.
2907 348 1839 322 SINET Japan
17557 324 24 149 Pakistan Telecom
10036 296 27 269 C&M Communication Co. Ltd.
7474 285 283 207 Optus Communications Pty Ltd
703 273 355 214 UUNET
2764 258 238 206 connect.com.au pty ltd
9498 242 81 52 BHARTI BT INTERNET LTD.
9800 240 395 71 CHINA UNICOM
4808 237 170 129 CHINANET core WAN North
4802 231 28 140 Wantree Development
17974 231 63 24 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1452 6609 962 AT&T WorldNet Services
721 1170 21835 319 DLA Systems Automation Center
701 1032 8309 877 UUNET Technologies, Inc.
4323 1032 668 220 Time Warner Telecom
1239 926 2872 659 Sprint
6197 868 379 406 BellSouth Network Solutions,
2386 819 495 608 AT&T Data Communications Serv
18566 767 208 6 Covad Communications
174 711 5521 615 PSINet Inc.
209 645 3466 497 Qwest
3356 591 10867 442 Level 3 Communications, LLC
20115 579 478 300 Charter Communications
3561 561 2374 416 Cable & Wireless USA
852 527 1126 399 Telus Advanced Communications
3602 501 120 93 Sprint Canada, Inc.
6478 494 822 104 AT&T Worldnet Services
22773 474 1090 24 Cox Communications, Inc. Atla
6198 468 567 189 BellSouth Network Solutions,
27364 465 43 18 Armstrong Cable Services
5668 451 91 20 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 610 2006 501 UUNET - Commercial IP service
3320 296 2992 230 Deutsche Telekom AG
3301 289 1112 277 TeliaNet Sweden
8220 277 466 271 COLT Internet - International
680 253 2041 239 DFN-IP service G-WiN
3246 229 476 223 Song Networks
8708 219 120 197 Romania Data Systems S.A.
13083 217 51 8 Mannesmann Datenverarbeitung
1257 208 709 174 SWIPnet Swedish IP Network
3215 204 1034 78 France Telecom Transpac
5515 187 842 135 Sonera Solution Autonomous Sy
6746 178 47 142 Dynamic Network Technologies,
786 176 1794 176 The JANET IP Service
8866 176 20 16 Bulgarian Telecommunication C
3269 163 1424 72 TELECOM ITALIA
719 161 322 103 LANLINK autonomous system
3300 160 184 80 AUCS Communications Services
9121 142 227 20 TTnet Autonomous System
25186 141 138 99 France Telecom Transpac's Tra
5400 139 234 123 BT Ignite European Backbone
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 360 140 69 ImpSat
8151 336 501 143 UniNet S.A. de C.V.
16814 233 14 6 NSS, S.A.
11172 220 99 54 Servicios Alestra S.A de C.V
6147 205 102 20 Telefonica Del Peru
11664 150 19 24 Keytech SA
7303 146 66 30 Telecom Argentina Stet-France
6505 135 90 91 Global One Communicaoes Ltda
14117 119 7 5 Telefonica del Sur S.A.
6503 113 145 75 AVANTEL, S.A.
11992 107 9 31 Integrated Systems
11556 97 48 3 Cable-Wireless Panama
11311 88 8 23 Sinectis S.A.
13999 88 52 9 Mega Cable S.A. de C.V.
6535 87 7 23 Chilesat Servicios Empresari
14420 87 6 42 ANDINATEL S.A.
5639 83 12 9 Telecommunications Services o
10481 81 32 7 Prima S.A.
15311 77 24 36 Telefonica Empresas
4270 75 18 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 635 225 The Internet Solution
5536 114 15 18 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
20928 86 16 2 Noor Advanced Technologies AS
2905 84 267 76 The Internetworking Company o
24835 53 34 6 RAYA Telecom - Egypt
8452 48 20 5 TEDATA
6713 35 54 9 Itissalat Al-MAGHRIB
11845 35 9 11 Data Pro Business Online
9129 30 3 2 UUNET Kenya
12455 30 6 7 Jambonet Autonomous system
5713 27 141 24 Telkom SA Ltd
8524 23 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8346 17 10 11 SONATEL-AS Autonomous System
21280 17 2 3 Swift Global Kenya Ltd.Is an
21491 16 1 3 UTL On-line is RF broadband I
15706 15 4 2 Sudatel Internet Exchange Aut
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1170 851 DLA Systems Automation Center
4323 1032 812 Time Warner Telecom
18566 767 761 Covad Communications
4134 886 712 Data Communications Bureau
9583 603 585 Satyam Infoway Ltd.,
6197 868 462 BellSouth Network Solutions,
22773 474 450 Cox Communications, Inc. Atla
27364 465 447 Armstrong Cable Services
5668 451 431 Century Telephone
3602 501 408 Sprint Canada, Inc.
6478 494 390 AT&T Worldnet Services
4755 470 369 Videsh Sanchar Nigam Ltd. Aut
17676 403 333 XTAGE CORPORATION
6467 359 326 E.Spire Communications, Inc.
9929 353 316 China Netcom Corp.
4766 593 309 Korea Internet Exchange for "
7545 462 304 TPG Internet Pty Ltd
9443 374 295 Primus Telecommunications
6140 360 291 ImpSat
20115 579 279 Charter Communications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News
65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK
65535 PRIVATE 204.10.155.0/24 33205 KMC Telecom Solution
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
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
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
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 /10:8 /11:14 /12:62
/13:148 /14:305 /15:565 /16:8292 /17:2424 /18:4126
/19:10093 /20:10739 /21:8575 /22:11869 /23:13071 /24:85501
/25:266 /26:241 /27:98 /28:49 /29:24 /30:80
/31:0 /32:41
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 752 767 Covad Communications
6197 711 868 BellSouth Network Solutions,
7018 631 1452 AT&T WorldNet Services
2386 583 819 AT&T Data Communications Serv
4323 480 1032 Time Warner Telecom
27364 450 465 Armstrong Cable Services
9583 426 603 Satyam Infoway Ltd.,
4766 404 593 Korea Internet Exchange for "
5668 381 451 Century Telephone
702 372 610 UUNET - Commercial IP service
1239 370 926 Sprint
6198 335 468 BellSouth Network Solutions,
10036 296 296 C&M Communication Co. Ltd.
6517 287 309 Yipes Communications, Inc.
9929 278 353 China Netcom Corp.
6467 271 359 E.Spire Communications, Inc.
11456 263 310 Carolina Online, Inc.
13609 257 306 Choice One Communications Inc
701 246 1032 UUNET Technologies, Inc.
25844 245 245 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1488 13:1 15:9 16:2
17:3 18:4 20:5 24:737 32:64 33:4
38:99 40:55 44:3 47:2 52:3 55:2
56:3 57:23 59:3 60:21 61:707 62:528
63:1862 64:2584 65:2051 66:2708 67:520 68:504
69:906 70:65 71:10 72:72 80:546 81:519
82:331 83:277 84:130 85:127 128:140 129:162
130:94 131:279 132:36 133:1 134:142 135:30
136:189 137:65 138:160 139:53 140:198 141:101
142:140 143:129 144:172 145:44 146:278 147:100
148:267 149:164 150:95 151:63 152:110 153:80
154:3 155:143 156:71 157:81 158:152 159:164
160:67 161:59 162:417 163:84 164:216 165:164
166:130 167:226 168:399 169:133 170:309 171:9
192:5672 193:3086 194:2267 195:1580 196:632 198:3913
199:3319 200:3968 201:52 202:5185 203:6040 204:3685
205:2013 206:2344 207:2728 208:2091 209:3187 210:1579
211:790 212:1174 213:1269 214:240 215:31 216:3648
217:1070 218:190 219:107 220:366 221:89 222:76
End of report
Routing Table Report 04:00 +10GMT Sun 27 Feb, 2005
Analysis Summary
----------------
BGP routing table entries examined: 156519
Prefixes after maximum aggregation: 91708
Unique aggregates announced to Internet: 75847
Total ASes present in the Internet Routing Table: 19017
Origin-only ASes present in the Internet Routing Table: 16540
Origin ASes announcing only one prefix: 7714
Transit ASes present in the Internet Routing Table: 2477
Transit-only ASes present in the Internet Routing Table: 79
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: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1379850976
Equivalent to 82 /8s, 62 /16s and 218 /24s
Percentage of available address space announced: 37.2
Percentage of allocated address space announced: 58.9
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 72825
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31183
Total APNIC prefixes after maximum aggregation: 15129
Prefixes being announced from the APNIC address blocks: 29220
Unique aggregates announced from the APNIC address blocks: 15329
APNIC Region origin ASes present in the Internet Routing Table: 2210
APNIC Region origin ASes announcing only one prefix: 646
APNIC Region transit ASes present in the Internet Routing Table: 327
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 175088256
Equivalent to 10 /8s, 111 /16s and 162 /24s
Percentage of available APNIC address space announced: 65.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 87391
Total ARIN prefixes after maximum aggregation: 52942
Prefixes being announced from the ARIN address blocks: 66700
Unique aggregates announced from the ARIN address blocks: 24370
ARIN Region origin ASes present in the Internet Routing Table: 9880
ARIN Region origin ASes announcing only one prefix: 3571
ARIN Region transit ASes present in the Internet Routing Table: 945
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 239937024
Equivalent to 14 /8s, 77 /16s and 38 /24s
Percentage of available ARIN address space announced: 71.5
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, 29696-30719, 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: 29715
Total RIPE prefixes after maximum aggregation: 20518
Prefixes being announced from the RIPE address blocks: 26604
Unique aggregates announced from the RIPE address blocks: 17722
RIPE Region origin ASes present in the Internet Routing Table: 6336
RIPE Region origin ASes announcing only one prefix: 3347
RIPE Region transit ASes present in the Internet Routing Table: 1074
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 193043280
Equivalent to 11 /8s, 129 /16s and 155 /24s
Percentage of available RIPE address space announced: 67.7
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: 6871
Total LACNIC prefixes after maximum aggregation: 2412
Prefixes being announced from the LACNIC address blocks: 6788
Unique aggregates announced from the LACNIC address blocks: 4007
LACNIC Region origin ASes present in the Internet Routing Table: 420
LACNIC Region origin ASes announcing only one prefix: 125
LACNIC Region transit ASes present in the Internet Routing Table: 81
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 17623552
Equivalent to 1 /8s, 12 /16s and 234 /24s
Percentage of available LACNIC address space announced: 52.5
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1352
Total AfriNIC prefixes after maximum aggregation: 707
Prefixes being announced from the AfriNIC address blocks: 903
Unique aggregates announced from the AfriNIC address blocks: 716
AfriNIC Region origin ASes present in the Internet Routing Table: 96
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2177280
Equivalent to 0 /8s, 33 /16s and 57 /24s
Percentage of available AfriNIC address space announced: 13.0
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 886 4712 174 Data Communications Bureau
1221 790 1187 562 Telstra Pty Ltd
9583 602 49 18 Satyam Infoway Ltd.,
4766 593 3416 284 Korea Internet Exchange for "
4755 470 241 101 Videsh Sanchar Nigam Ltd. Aut
7545 462 74 158 TPG Internet Pty Ltd
17676 403 6060 70 XTAGE CORPORATION
9443 374 77 79 Primus Telecommunications
9929 353 165 37 China Netcom Corp.
2907 348 1839 322 SINET Japan
17557 324 24 149 Pakistan Telecom
10036 296 27 269 C&M Communication Co. Ltd.
7474 285 283 207 Optus Communications Pty Ltd
703 273 355 214 UUNET
2764 258 238 206 connect.com.au pty ltd
9498 244 81 53 BHARTI BT INTERNET LTD.
9800 240 395 71 CHINA UNICOM
4808 237 170 129 CHINANET core WAN North
4802 231 28 140 Wantree Development
17974 231 63 24 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1458 6609 963 AT&T WorldNet Services
721 1169 21835 319 DLA Systems Automation Center
4323 1033 668 221 Time Warner Telecom
701 1032 8309 877 UUNET Technologies, Inc.
1239 927 2872 660 Sprint
6197 868 379 406 BellSouth Network Solutions,
2386 819 495 608 AT&T Data Communications Serv
18566 767 208 6 Covad Communications
174 711 5521 615 PSINet Inc.
209 645 3466 497 Qwest
3356 591 10867 442 Level 3 Communications, LLC
20115 579 478 300 Charter Communications
3561 561 2374 416 Cable & Wireless USA
852 527 1126 399 Telus Advanced Communications
3602 501 120 93 Sprint Canada, Inc.
6478 494 822 104 AT&T Worldnet Services
22773 474 1090 24 Cox Communications, Inc. Atla
6198 468 567 189 BellSouth Network Solutions,
27364 465 43 18 Armstrong Cable Services
5668 451 91 20 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 609 2006 500 UUNET - Commercial IP service
3320 296 2992 230 Deutsche Telekom AG
3301 289 1112 277 TeliaNet Sweden
8220 277 466 271 COLT Internet - International
680 253 2041 239 DFN-IP service G-WiN
3246 229 476 223 Song Networks
8708 219 120 197 Romania Data Systems S.A.
13083 217 51 8 Mannesmann Datenverarbeitung
1257 208 709 174 SWIPnet Swedish IP Network
3215 204 1034 78 France Telecom Transpac
5515 187 842 135 Sonera Solution Autonomous Sy
6746 178 47 142 Dynamic Network Technologies,
786 176 1794 176 The JANET IP Service
8866 176 20 16 Bulgarian Telecommunication C
3269 163 1424 72 TELECOM ITALIA
719 161 322 103 LANLINK autonomous system
3300 160 184 80 AUCS Communications Services
25186 141 138 99 France Telecom Transpac's Tra
5400 139 234 123 BT Ignite European Backbone
9121 139 227 20 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 361 140 70 ImpSat
8151 336 501 143 UniNet S.A. de C.V.
16814 233 14 6 NSS, S.A.
11172 220 99 54 Servicios Alestra S.A de C.V
6147 205 102 20 Telefonica Del Peru
11664 150 19 24 Keytech SA
7303 146 66 30 Telecom Argentina Stet-France
6505 135 90 91 Global One Communicaoes Ltda
14117 119 7 5 Telefonica del Sur S.A.
6503 112 145 74 AVANTEL, S.A.
11992 107 9 31 Integrated Systems
11556 97 48 3 Cable-Wireless Panama
13999 90 52 9 Mega Cable S.A. de C.V.
11311 88 8 23 Sinectis S.A.
6535 87 7 23 Chilesat Servicios Empresari
14420 87 6 42 ANDINATEL S.A.
5639 83 12 9 Telecommunications Services o
10481 81 32 7 Prima S.A.
15311 77 24 36 Telefonica Empresas
10292 75 6 25 TELECOMMUNICATIONS OF JAMAICA
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 635 225 The Internet Solution
5536 114 15 18 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
20928 85 16 2 Noor Advanced Technologies AS
2905 84 267 76 The Internetworking Company o
24835 53 34 6 RAYA Telecom - Egypt
8452 42 20 5 TEDATA
6713 35 54 9 Itissalat Al-MAGHRIB
11845 35 9 11 Data Pro Business Online
9129 30 3 2 UUNET Kenya
12455 30 6 7 Jambonet Autonomous system
5713 27 141 24 Telkom SA Ltd
8524 23 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8346 17 10 11 SONATEL-AS Autonomous System
21280 17 2 3 Swift Global Kenya Ltd.Is an
21491 16 1 3 UTL On-line is RF broadband I
15706 15 4 2 Sudatel Internet Exchange Aut
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1169 850 DLA Systems Automation Center
4323 1033 812 Time Warner Telecom
18566 767 761 Covad Communications
4134 886 712 Data Communications Bureau
9583 602 584 Satyam Infoway Ltd.,
6197 868 462 BellSouth Network Solutions,
22773 474 450 Cox Communications, Inc. Atla
27364 465 447 Armstrong Cable Services
5668 451 431 Century Telephone
3602 501 408 Sprint Canada, Inc.
6478 494 390 AT&T Worldnet Services
4755 470 369 Videsh Sanchar Nigam Ltd. Aut
17676 403 333 XTAGE CORPORATION
6467 359 327 E.Spire Communications, Inc.
9929 353 316 China Netcom Corp.
4766 593 309 Korea Internet Exchange for "
7545 462 304 TPG Internet Pty Ltd
9443 374 295 Primus Telecommunications
6140 361 291 ImpSat
20115 579 279 Charter Communications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News
65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK
65535 PRIVATE 204.10.155.0/24 33205 KMC Telecom Solution
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
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
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
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 /10:8 /11:14 /12:62
/13:148 /14:305 /15:565 /16:8289 /17:2424 /18:4126
/19:10095 /20:10736 /21:8570 /22:11858 /23:13065 /24:85433
/25:266 /26:241 /27:98 /28:49 /29:24 /30:80
/31:0 /32:41
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 752 767 Covad Communications
6197 711 868 BellSouth Network Solutions,
7018 636 1458 AT&T WorldNet Services
2386 583 819 AT&T Data Communications Serv
4323 480 1033 Time Warner Telecom
27364 450 465 Armstrong Cable Services
9583 425 602 Satyam Infoway Ltd.,
4766 404 593 Korea Internet Exchange for "
5668 381 451 Century Telephone
702 371 609 UUNET - Commercial IP service
1239 371 927 Sprint
6198 335 468 BellSouth Network Solutions,
10036 296 296 C&M Communication Co. Ltd.
6517 287 309 Yipes Communications, Inc.
9929 278 353 China Netcom Corp.
6467 272 359 E.Spire Communications, Inc.
11456 263 310 Carolina Online, Inc.
13609 257 306 Choice One Communications Inc
701 246 1032 UUNET Technologies, Inc.
25844 245 245 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1489 13:1 15:9 16:2
17:3 18:4 20:5 24:736 32:64 33:4
38:99 40:55 44:3 47:2 52:3 55:2
56:3 57:23 59:3 60:21 61:706 62:526
63:1864 64:2581 65:2050 66:2713 67:520 68:506
69:911 70:65 71:10 72:72 80:546 81:519
82:331 83:275 84:133 85:119 128:139 129:162
130:94 131:279 132:36 133:1 134:142 135:30
136:191 137:65 138:160 139:53 140:198 141:101
142:140 143:129 144:172 145:44 146:278 147:100
148:267 149:164 150:95 151:63 152:110 153:81
154:3 155:143 156:71 157:81 158:152 159:164
160:67 161:59 162:420 163:84 164:216 165:159
166:130 167:225 168:400 169:133 170:309 171:9
192:5669 193:3082 194:2265 195:1597 196:631 198:3911
199:3276 200:3976 201:52 202:5183 203:6035 204:3684
205:2020 206:2339 207:2729 208:2075 209:3187 210:1576
211:786 212:1168 213:1268 214:242 215:31 216:3647
217:1069 218:189 219:107 220:365 221:88 222:76
End of report
Routing Table Report 04:00 +10GMT Sat 26 Feb, 2005
Analysis Summary
----------------
BGP routing table entries examined: 156548
Prefixes after maximum aggregation: 91690
Unique aggregates announced to Internet: 75829
Total ASes present in the Internet Routing Table: 19031
Origin-only ASes present in the Internet Routing Table: 16549
Origin ASes announcing only one prefix: 7725
Transit ASes present in the Internet Routing Table: 2482
Transit-only ASes present in the Internet Routing Table: 79
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: 12
Number of addresses announced to Internet: 1379580644
Equivalent to 82 /8s, 58 /16s and 186 /24s
Percentage of available address space announced: 37.2
Percentage of allocated address space announced: 58.8
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 72821
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31231
Total APNIC prefixes after maximum aggregation: 15140
Prefixes being announced from the APNIC address blocks: 29261
Unique aggregates announced from the APNIC address blocks: 15379
APNIC Region origin ASes present in the Internet Routing Table: 2215
APNIC Region origin ASes announcing only one prefix: 647
APNIC Region transit ASes present in the Internet Routing Table: 325
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 175092096
Equivalent to 10 /8s, 111 /16s and 177 /24s
Percentage of available APNIC address space announced: 65.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 87346
Total ARIN prefixes after maximum aggregation: 52946
Prefixes being announced from the ARIN address blocks: 66670
Unique aggregates announced from the ARIN address blocks: 24362
ARIN Region origin ASes present in the Internet Routing Table: 9886
ARIN Region origin ASes announcing only one prefix: 3580
ARIN Region transit ASes present in the Internet Routing Table: 947
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 239662592
Equivalent to 14 /8s, 72 /16s and 246 /24s
Percentage of available ARIN address space announced: 71.4
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, 29696-30719, 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: 29717
Total RIPE prefixes after maximum aggregation: 20476
Prefixes being announced from the RIPE address blocks: 26601
Unique aggregates announced from the RIPE address blocks: 17648
RIPE Region origin ASes present in the Internet Routing Table: 6338
RIPE Region origin ASes announcing only one prefix: 3347
RIPE Region transit ASes present in the Internet Routing Table: 1080
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 193123920
Equivalent to 11 /8s, 130 /16s and 214 /24s
Percentage of available RIPE address space announced: 67.7
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: 6885
Total LACNIC prefixes after maximum aggregation: 2417
Prefixes being announced from the LACNIC address blocks: 6798
Unique aggregates announced from the LACNIC address blocks: 4016
LACNIC Region origin ASes present in the Internet Routing Table: 421
LACNIC Region origin ASes announcing only one prefix: 126
LACNIC Region transit ASes present in the Internet Routing Table: 80
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 17608192
Equivalent to 1 /8s, 12 /16s and 174 /24s
Percentage of available LACNIC address space announced: 52.5
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1358
Total AfriNIC prefixes after maximum aggregation: 711
Prefixes being announced from the AfriNIC address blocks: 908
Unique aggregates announced from the AfriNIC address blocks: 716
AfriNIC Region origin ASes present in the Internet Routing Table: 97
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2177280
Equivalent to 0 /8s, 33 /16s and 57 /24s
Percentage of available AfriNIC address space announced: 13.0
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 886 4712 174 Data Communications Bureau
1221 790 1187 562 Telstra Pty Ltd
9583 601 49 18 Satyam Infoway Ltd.,
4766 593 3416 284 Korea Internet Exchange for "
4755 469 241 100 Videsh Sanchar Nigam Ltd. Aut
7545 462 74 158 TPG Internet Pty Ltd
17676 403 6060 70 XTAGE CORPORATION
9443 374 77 79 Primus Telecommunications
9929 353 165 37 China Netcom Corp.
2907 348 1839 322 SINET Japan
17557 324 24 149 Pakistan Telecom
10036 296 27 269 C&M Communication Co. Ltd.
7474 285 283 207 Optus Communications Pty Ltd
703 273 355 214 UUNET
2764 258 238 206 connect.com.au pty ltd
9498 244 81 53 BHARTI BT INTERNET LTD.
9800 240 395 71 CHINA UNICOM
4808 237 170 129 CHINANET core WAN North
4802 231 28 140 Wantree Development
17974 229 63 24 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1461 6609 971 AT&T WorldNet Services
721 1170 21835 318 DLA Systems Automation Center
701 1033 8309 878 UUNET Technologies, Inc.
4323 1031 668 221 Time Warner Telecom
1239 923 2871 654 Sprint
6197 867 379 405 BellSouth Network Solutions,
2386 823 496 611 AT&T Data Communications Serv
18566 767 208 6 Covad Communications
174 711 5521 615 PSINet Inc.
209 648 3466 499 Qwest
3356 591 10867 442 Level 3 Communications, LLC
20115 579 478 300 Charter Communications
3561 560 2374 416 Cable & Wireless USA
852 527 1126 399 Telus Advanced Communications
3602 501 120 93 Sprint Canada, Inc.
6478 494 822 104 AT&T Worldnet Services
22773 474 1090 24 Cox Communications, Inc. Atla
6198 468 567 189 BellSouth Network Solutions,
27364 465 43 18 Armstrong Cable Services
5668 451 91 20 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 609 2006 500 UUNET - Commercial IP service
3320 295 2992 229 Deutsche Telekom AG
3301 289 1112 277 TeliaNet Sweden
8220 277 466 271 COLT Internet - International
680 253 2041 239 DFN-IP service G-WiN
3246 229 476 223 Song Networks
8708 219 120 197 Romania Data Systems S.A.
13083 217 51 8 Mannesmann Datenverarbeitung
1257 208 709 174 SWIPnet Swedish IP Network
3215 204 1034 78 France Telecom Transpac
5515 187 842 135 Sonera Solution Autonomous Sy
6746 178 47 142 Dynamic Network Technologies,
786 176 1794 176 The JANET IP Service
8866 176 20 16 Bulgarian Telecommunication C
3300 164 185 84 AUCS Communications Services
3269 163 1424 72 TELECOM ITALIA
719 161 322 103 LANLINK autonomous system
25186 141 138 99 France Telecom Transpac's Tra
5400 139 234 123 BT Ignite European Backbone
9121 137 227 19 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 361 140 70 ImpSat
8151 335 501 142 UniNet S.A. de C.V.
16814 233 14 6 NSS, S.A.
11172 220 99 54 Servicios Alestra S.A de C.V
6147 205 102 20 Telefonica Del Peru
11664 150 19 24 Keytech SA
7303 146 66 30 Telecom Argentina Stet-France
6505 135 90 91 Global One Communicaoes Ltda
14117 119 7 5 Telefonica del Sur S.A.
6503 118 146 80 AVANTEL, S.A.
11992 107 9 31 Integrated Systems
11556 97 48 3 Cable-Wireless Panama
13999 90 52 9 Mega Cable S.A. de C.V.
11311 88 8 23 Sinectis S.A.
6535 87 7 23 Chilesat Servicios Empresari
14420 87 6 42 ANDINATEL S.A.
5639 82 8 8 Telecommunications Services o
10481 81 32 7 Prima S.A.
4270 77 18 9 Red de Interconexion Universi
15311 77 24 36 Telefonica Empresas
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 635 225 The Internet Solution
5536 114 15 18 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
20928 85 16 2 Noor Advanced Technologies AS
2905 84 267 76 The Internetworking Company o
24835 53 34 6 RAYA Telecom - Egypt
8452 42 20 5 TEDATA
6713 35 54 9 Itissalat Al-MAGHRIB
11845 35 9 11 Data Pro Business Online
9129 30 3 2 UUNET Kenya
12455 30 6 7 Jambonet Autonomous system
5713 27 141 24 Telkom SA Ltd
8524 23 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8346 17 10 11 SONATEL-AS Autonomous System
21280 17 2 3 Swift Global Kenya Ltd.Is an
21491 16 1 3 UTL On-line is RF broadband I
15706 15 4 2 Sudatel Internet Exchange Aut
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1170 852 DLA Systems Automation Center
4323 1031 810 Time Warner Telecom
18566 767 761 Covad Communications
4134 886 712 Data Communications Bureau
9583 601 583 Satyam Infoway Ltd.,
6197 867 462 BellSouth Network Solutions,
22773 474 450 Cox Communications, Inc. Atla
27364 465 447 Armstrong Cable Services
5668 451 431 Century Telephone
3602 501 408 Sprint Canada, Inc.
6478 494 390 AT&T Worldnet Services
4755 469 369 Videsh Sanchar Nigam Ltd. Aut
17676 403 333 XTAGE CORPORATION
6467 361 328 E.Spire Communications, Inc.
9929 353 316 China Netcom Corp.
4766 593 309 Korea Internet Exchange for "
7545 462 304 TPG Internet Pty Ltd
9443 374 295 Primus Telecommunications
6140 361 291 ImpSat
20115 579 279 Charter Communications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News
65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK
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.
64512 PRIVATE 199.216.148.0/24 15296 Netera Alliance Inc.
65535 PRIVATE 204.10.155.0/24 33205 KMC Telecom Solution
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
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
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
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 /10:8 /11:14 /12:62
/13:148 /14:305 /15:564 /16:8291 /17:2422 /18:4127
/19:10093 /20:10735 /21:8570 /22:11847 /23:13076 /24:85468
/25:265 /26:237 /27:98 /28:49 /29:23 /30:83
/31:0 /32:41
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 752 767 Covad Communications
6197 710 867 BellSouth Network Solutions,
7018 634 1461 AT&T WorldNet Services
2386 587 823 AT&T Data Communications Serv
4323 479 1031 Time Warner Telecom
27364 450 465 Armstrong Cable Services
9583 424 601 Satyam Infoway Ltd.,
4766 404 593 Korea Internet Exchange for "
5668 381 451 Century Telephone
702 371 609 UUNET - Commercial IP service
1239 371 923 Sprint
6198 335 468 BellSouth Network Solutions,
10036 296 296 C&M Communication Co. Ltd.
6517 288 310 Yipes Communications, Inc.
9929 278 353 China Netcom Corp.
6467 273 361 E.Spire Communications, Inc.
11456 263 310 Carolina Online, Inc.
13609 257 306 Choice One Communications Inc
701 246 1033 UUNET Technologies, Inc.
25844 245 245 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1488 13:1 15:9 16:2
17:3 18:4 20:5 24:736 32:65 33:4
38:99 40:55 44:3 47:2 52:3 55:2
56:3 57:23 59:3 60:21 61:705 62:527
63:1864 64:2582 65:2053 66:2716 67:519 68:505
69:912 70:65 71:9 72:71 80:545 81:519
82:331 83:275 84:131 85:122 128:142 129:162
130:94 131:279 132:36 133:1 134:142 135:30
136:191 137:65 138:160 139:53 140:198 141:101
142:140 143:129 144:172 145:44 146:278 147:100
148:266 149:164 150:95 151:63 152:110 153:81
154:3 155:143 156:71 157:81 158:152 159:164
160:67 161:59 162:420 163:84 164:216 165:159
166:130 167:223 168:402 169:133 170:312 171:9
192:5671 193:3089 194:2267 195:1598 196:636 198:3886
199:3257 200:3984 201:52 202:5201 203:6043 204:3687
205:2022 206:2343 207:2741 208:2078 209:3196 210:1571
211:790 212:1157 213:1264 214:242 215:31 216:3641
217:1070 218:189 219:113 220:366 221:88 222:76
End of report
Routing Table Report 04:00 +10GMT Fri 25 Feb, 2005
Analysis Summary
----------------
BGP routing table entries examined: 156353
Prefixes after maximum aggregation: 91634
Unique aggregates announced to Internet: 75709
Total ASes present in the Internet Routing Table: 19018
Origin-only ASes present in the Internet Routing Table: 16536
Origin ASes announcing only one prefix: 7711
Transit ASes present in the Internet Routing Table: 2482
Transit-only ASes present in the Internet Routing Table: 79
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: 12
Number of addresses announced to Internet: 1379138768
Equivalent to 82 /8s, 51 /16s and 252 /24s
Percentage of available address space announced: 37.2
Percentage of allocated address space announced: 58.8
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 72801
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31206
Total APNIC prefixes after maximum aggregation: 15113
Prefixes being announced from the APNIC address blocks: 29237
Unique aggregates announced from the APNIC address blocks: 15269
APNIC Region origin ASes present in the Internet Routing Table: 2214
APNIC Region origin ASes announcing only one prefix: 648
APNIC Region transit ASes present in the Internet Routing Table: 324
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 174881408
Equivalent to 10 /8s, 108 /16s and 122 /24s
Percentage of available APNIC address space announced: 64.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 87190
Total ARIN prefixes after maximum aggregation: 52940
Prefixes being announced from the ARIN address blocks: 66533
Unique aggregates announced from the ARIN address blocks: 24346
ARIN Region origin ASes present in the Internet Routing Table: 9883
ARIN Region origin ASes announcing only one prefix: 3576
ARIN Region transit ASes present in the Internet Routing Table: 949
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 239625728
Equivalent to 14 /8s, 72 /16s and 102 /24s
Percentage of available ARIN address space announced: 71.4
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, 29696-30719, 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: 29710
Total RIPE prefixes after maximum aggregation: 20454
Prefixes being announced from the RIPE address blocks: 26591
Unique aggregates announced from the RIPE address blocks: 17636
RIPE Region origin ASes present in the Internet Routing Table: 6330
RIPE Region origin ASes announcing only one prefix: 3336
RIPE Region transit ASes present in the Internet Routing Table: 1080
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 193049408
Equivalent to 11 /8s, 129 /16s and 179 /24s
Percentage of available RIPE address space announced: 67.7
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: 6879
Total LACNIC prefixes after maximum aggregation: 2416
Prefixes being announced from the LACNIC address blocks: 6789
Unique aggregates announced from the LACNIC address blocks: 4018
LACNIC Region origin ASes present in the Internet Routing Table: 420
LACNIC Region origin ASes announcing only one prefix: 126
LACNIC Region transit ASes present in the Internet Routing Table: 80
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 17585408
Equivalent to 1 /8s, 12 /16s and 85 /24s
Percentage of available LACNIC address space announced: 52.4
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1357
Total AfriNIC prefixes after maximum aggregation: 711
Prefixes being announced from the AfriNIC address blocks: 908
Unique aggregates announced from the AfriNIC address blocks: 716
AfriNIC Region origin ASes present in the Internet Routing Table: 97
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2177280
Equivalent to 0 /8s, 33 /16s and 57 /24s
Percentage of available AfriNIC address space announced: 13.0
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 893 4712 174 Data Communications Bureau
1221 787 1185 559 Telstra Pty Ltd
9583 600 49 16 Satyam Infoway Ltd.,
4766 593 3416 284 Korea Internet Exchange for "
4755 467 241 99 Videsh Sanchar Nigam Ltd. Aut
7545 457 73 165 TPG Internet Pty Ltd
17676 400 6012 68 XTAGE CORPORATION
9443 374 77 79 Primus Telecommunications
9929 353 165 37 China Netcom Corp.
2907 348 1839 322 SINET Japan
17557 324 24 149 Pakistan Telecom
10036 296 27 269 C&M Communication Co. Ltd.
7474 285 283 207 Optus Communications Pty Ltd
703 274 355 215 UUNET
2764 258 238 206 connect.com.au pty ltd
9498 240 81 53 BHARTI BT INTERNET LTD.
9800 240 395 71 CHINA UNICOM
4808 237 170 129 CHINANET core WAN North
17974 232 63 12 PT TELEKOMUNIKASI INDONESIA
4802 229 28 138 Wantree Development
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1459 6609 969 AT&T WorldNet Services
721 1149 21835 319 DLA Systems Automation Center
701 1033 8309 880 UUNET Technologies, Inc.
4323 1028 668 219 Time Warner Telecom
1239 950 2872 656 Sprint
6197 866 379 405 BellSouth Network Solutions,
2386 822 496 611 AT&T Data Communications Serv
18566 767 208 6 Covad Communications
174 683 5487 587 PSINet Inc.
209 648 3466 499 Qwest
3356 591 10867 442 Level 3 Communications, LLC
20115 579 478 300 Charter Communications
3561 563 2374 419 Cable & Wireless USA
852 527 1126 399 Telus Advanced Communications
3602 500 120 93 Sprint Canada, Inc.
6478 494 822 106 AT&T Worldnet Services
22773 474 1090 24 Cox Communications, Inc. Atla
6198 467 567 189 BellSouth Network Solutions,
27364 465 43 18 Armstrong Cable Services
5668 450 91 20 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 610 2006 501 UUNET - Commercial IP service
3320 295 2992 229 Deutsche Telekom AG
3301 289 1112 277 TeliaNet Sweden
8220 277 466 271 COLT Internet - International
680 253 2041 239 DFN-IP service G-WiN
3246 229 476 223 Song Networks
8708 219 120 197 Romania Data Systems S.A.
13083 217 51 8 Mannesmann Datenverarbeitung
1257 206 708 172 SWIPnet Swedish IP Network
3215 203 1025 80 France Telecom Transpac
5515 187 842 135 Sonera Solution Autonomous Sy
6746 178 47 142 Dynamic Network Technologies,
786 176 1794 176 The JANET IP Service
8866 176 20 16 Bulgarian Telecommunication C
3300 164 185 84 AUCS Communications Services
3269 163 1424 72 TELECOM ITALIA
719 161 322 103 LANLINK autonomous system
25186 141 138 99 France Telecom Transpac's Tra
5400 139 234 123 BT Ignite European Backbone
9121 135 227 20 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 361 140 70 ImpSat
8151 335 501 142 UniNet S.A. de C.V.
16814 233 14 6 NSS, S.A.
11172 221 101 55 Servicios Alestra S.A de C.V
6147 205 102 20 Telefonica Del Peru
11664 151 19 24 Keytech SA
7303 146 66 30 Telecom Argentina Stet-France
6505 135 90 91 Global One Communicaoes Ltda
14117 119 7 5 Telefonica del Sur S.A.
6503 118 146 80 AVANTEL, S.A.
11992 107 9 31 Integrated Systems
11556 97 48 3 Cable-Wireless Panama
13999 90 52 9 Mega Cable S.A. de C.V.
14420 87 6 42 ANDINATEL S.A.
6535 86 7 23 Chilesat Servicios Empresari
11311 86 8 22 Sinectis S.A.
5639 82 8 8 Telecommunications Services o
10481 81 32 7 Prima S.A.
4270 79 18 9 Red de Interconexion Universi
15311 77 24 36 Telefonica Empresas
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 635 225 The Internet Solution
5536 114 15 18 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
20928 85 16 2 Noor Advanced Technologies AS
2905 84 267 76 The Internetworking Company o
24835 53 34 6 RAYA Telecom - Egypt
8452 42 20 5 TEDATA
6713 35 54 9 Itissalat Al-MAGHRIB
11845 35 9 11 Data Pro Business Online
9129 30 3 2 UUNET Kenya
12455 30 6 7 Jambonet Autonomous system
5713 27 141 24 Telkom SA Ltd
8524 24 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8346 17 10 11 SONATEL-AS Autonomous System
21280 16 2 3 Swift Global Kenya Ltd.Is an
21491 16 1 3 UTL On-line is RF broadband I
15706 15 4 2 Sudatel Internet Exchange Aut
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1149 830 DLA Systems Automation Center
4323 1028 809 Time Warner Telecom
18566 767 761 Covad Communications
4134 893 719 Data Communications Bureau
9583 600 584 Satyam Infoway Ltd.,
6197 866 461 BellSouth Network Solutions,
22773 474 450 Cox Communications, Inc. Atla
27364 465 447 Armstrong Cable Services
5668 450 430 Century Telephone
3602 500 407 Sprint Canada, Inc.
6478 494 388 AT&T Worldnet Services
4755 467 368 Videsh Sanchar Nigam Ltd. Aut
17676 400 332 XTAGE CORPORATION
6467 360 327 E.Spire Communications, Inc.
9929 353 316 China Netcom Corp.
4766 593 309 Korea Internet Exchange for "
9443 374 295 Primus Telecommunications
1239 950 294 Sprint
7545 457 292 TPG Internet Pty Ltd
6140 361 291 ImpSat
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News
65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK
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.
64512 PRIVATE 199.216.148.0/28 15296 Netera Alliance Inc.
65535 PRIVATE 204.10.155.0/24 33205 KMC Telecom Solution
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
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
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
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 /10:8 /11:14 /12:62
/13:148 /14:305 /15:564 /16:8272 /17:2422 /18:4127
/19:10083 /20:10722 /21:8560 /22:11831 /23:13071 /24:85347
/25:264 /26:239 /27:97 /28:49 /29:24 /30:81
/31:0 /32:41
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 752 767 Covad Communications
6197 709 866 BellSouth Network Solutions,
7018 632 1459 AT&T WorldNet Services
2386 586 822 AT&T Data Communications Serv
4323 479 1028 Time Warner Telecom
27364 450 465 Armstrong Cable Services
9583 422 600 Satyam Infoway Ltd.,
4766 404 593 Korea Internet Exchange for "
5668 381 450 Century Telephone
702 372 610 UUNET - Commercial IP service
1239 370 950 Sprint
6198 334 467 BellSouth Network Solutions,
10036 296 296 C&M Communication Co. Ltd.
6517 286 308 Yipes Communications, Inc.
9929 278 353 China Netcom Corp.
6467 273 360 E.Spire Communications, Inc.
11456 263 310 Carolina Online, Inc.
13609 257 306 Choice One Communications Inc
701 245 1033 UUNET Technologies, Inc.
25844 245 245 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1488 13:1 15:9 16:2
17:3 18:4 20:5 24:737 32:65 33:4
38:99 40:55 44:3 47:2 52:3 55:2
56:3 57:23 59:3 60:21 61:705 62:527
63:1863 64:2582 65:2050 66:2719 67:520 68:504
69:917 70:64 71:9 72:72 80:544 81:517
82:331 83:273 84:131 85:122 128:139 129:162
130:95 131:279 132:36 133:1 134:142 135:30
136:192 137:65 138:160 139:53 140:198 141:101
142:140 143:128 144:173 145:44 146:278 147:100
148:264 149:164 150:95 151:63 152:110 153:81
154:3 155:143 156:63 157:81 158:151 159:164
160:67 161:59 162:420 163:84 164:216 165:157
166:130 167:226 168:403 169:133 170:314 171:9
192:5692 193:3081 194:2263 195:1597 196:636 198:3854
199:3285 200:3979 201:52 202:5201 203:6036 204:3658
205:2013 206:2294 207:2696 208:2087 209:3191 210:1572
211:786 212:1172 213:1269 214:243 215:31 216:3643
217:1078 218:189 219:113 220:365 221:85 222:75
End of report
Routing Table Report 04:00 +10GMT Thu 24 Feb, 2005
Analysis Summary
----------------
BGP routing table entries examined: 156372
Prefixes after maximum aggregation: 91552
Unique aggregates announced to Internet: 75663
Total ASes present in the Internet Routing Table: 19022
Origin-only ASes present in the Internet Routing Table: 16528
Origin ASes announcing only one prefix: 7717
Transit ASes present in the Internet Routing Table: 2494
Transit-only ASes present in the Internet Routing Table: 80
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: 12
Number of addresses announced to Internet: 1378738768
Equivalent to 82 /8s, 45 /16s and 226 /24s
Percentage of available address space announced: 37.2
Percentage of allocated address space announced: 58.8
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 72860
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31113
Total APNIC prefixes after maximum aggregation: 15110
Prefixes being announced from the APNIC address blocks: 29156
Unique aggregates announced from the APNIC address blocks: 15241
APNIC Region origin ASes present in the Internet Routing Table: 2216
APNIC Region origin ASes announcing only one prefix: 649
APNIC Region transit ASes present in the Internet Routing Table: 324
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 174547840
Equivalent to 10 /8s, 103 /16s and 99 /24s
Percentage of available APNIC address space announced: 64.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 87329
Total ARIN prefixes after maximum aggregation: 52879
Prefixes being announced from the ARIN address blocks: 66630
Unique aggregates announced from the ARIN address blocks: 24337
ARIN Region origin ASes present in the Internet Routing Table: 9887
ARIN Region origin ASes announcing only one prefix: 3577
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: 21
Number of ARIN addresses announced to Internet: 239580416
Equivalent to 14 /8s, 71 /16s and 181 /24s
Percentage of available ARIN address space announced: 71.4
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, 29696-30719, 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: 29702
Total RIPE prefixes after maximum aggregation: 20446
Prefixes being announced from the RIPE address blocks: 26583
Unique aggregates announced from the RIPE address blocks: 17636
RIPE Region origin ASes present in the Internet Routing Table: 6331
RIPE Region origin ASes announcing only one prefix: 3341
RIPE Region transit ASes present in the Internet Routing Table: 1082
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 192930880
Equivalent to 11 /8s, 127 /16s and 228 /24s
Percentage of available RIPE address space announced: 67.6
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: 6855
Total LACNIC prefixes after maximum aggregation: 2406
Prefixes being announced from the LACNIC address blocks: 6779
Unique aggregates announced from the LACNIC address blocks: 4014
LACNIC Region origin ASes present in the Internet Routing Table: 417
LACNIC Region origin ASes announcing only one prefix: 125
LACNIC Region transit ASes present in the Internet Routing Table: 81
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 17574912
Equivalent to 1 /8s, 12 /16s and 44 /24s
Percentage of available LACNIC address space announced: 52.4
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1354
Total AfriNIC prefixes after maximum aggregation: 711
Prefixes being announced from the AfriNIC address blocks: 906
Unique aggregates announced from the AfriNIC address blocks: 716
AfriNIC Region origin ASes present in the Internet Routing Table: 97
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2177280
Equivalent to 0 /8s, 33 /16s and 57 /24s
Percentage of available AfriNIC address space announced: 13.0
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 886 4712 174 Data Communications Bureau
1221 787 1185 559 Telstra Pty Ltd
9583 598 49 16 Satyam Infoway Ltd.,
4766 593 3416 284 Korea Internet Exchange for "
4755 466 241 98 Videsh Sanchar Nigam Ltd. Aut
7545 458 73 165 TPG Internet Pty Ltd
17676 399 5996 67 XTAGE CORPORATION
9443 374 77 79 Primus Telecommunications
9929 353 165 37 China Netcom Corp.
2907 348 1839 322 SINET Japan
17557 326 24 149 Pakistan Telecom
10036 296 27 269 C&M Communication Co. Ltd.
7474 285 283 207 Optus Communications Pty Ltd
703 274 355 215 UUNET
2764 258 238 206 connect.com.au pty ltd
9498 238 81 53 BHARTI BT INTERNET LTD.
4808 237 170 129 CHINANET core WAN North
9800 237 383 75 CHINA UNICOM
17974 232 63 12 PT TELEKOMUNIKASI INDONESIA
4802 231 28 140 Wantree Development
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1455 6601 967 AT&T WorldNet Services
721 1142 21835 319 DLA Systems Automation Center
701 1033 8309 880 UUNET Technologies, Inc.
4323 1029 668 219 Time Warner Telecom
1239 951 2874 656 Sprint
6197 865 379 405 BellSouth Network Solutions,
2386 823 496 611 AT&T Data Communications Serv
18566 766 208 6 Covad Communications
209 649 3466 500 Qwest
174 608 5481 522 PSINet Inc.
3356 591 10867 442 Level 3 Communications, LLC
20115 582 485 303 Charter Communications
3561 563 2374 419 Cable & Wireless USA
852 524 1126 399 Telus Advanced Communications
3602 498 120 93 Sprint Canada, Inc.
6478 493 821 105 AT&T Worldnet Services
22773 473 1090 24 Cox Communications, Inc. Atla
6198 466 567 189 BellSouth Network Solutions,
27364 465 43 18 Armstrong Cable Services
5668 450 91 19 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 605 2022 502 UUNET - Commercial IP service
3320 295 2992 229 Deutsche Telekom AG
3301 289 1112 277 TeliaNet Sweden
8220 277 466 271 COLT Internet - International
680 253 2041 239 DFN-IP service G-WiN
3246 228 475 222 Song Networks
8708 218 120 196 Romania Data Systems S.A.
13083 217 51 8 Mannesmann Datenverarbeitung
1257 204 708 170 SWIPnet Swedish IP Network
3215 202 1025 80 France Telecom Transpac
5515 187 842 135 Sonera Solution Autonomous Sy
6746 178 47 142 Dynamic Network Technologies,
786 176 1794 176 The JANET IP Service
8866 173 19 21 Bulgarian Telecommunication C
3300 164 185 84 AUCS Communications Services
3269 163 1424 72 TELECOM ITALIA
719 161 322 103 LANLINK autonomous system
25186 141 138 99 France Telecom Transpac's Tra
5400 139 234 123 BT Ignite European Backbone
9121 131 227 19 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 361 140 70 ImpSat
8151 335 501 142 UniNet S.A. de C.V.
16814 233 14 6 NSS, S.A.
11172 221 101 55 Servicios Alestra S.A de C.V
6147 189 102 20 Telefonica Del Peru
11664 151 19 24 Keytech SA
7303 146 66 30 Telecom Argentina Stet-France
6505 135 90 91 Global One Communicaoes Ltda
14117 119 7 5 Telefonica del Sur S.A.
6503 117 146 80 AVANTEL, S.A.
11992 107 9 31 Integrated Systems
11556 97 48 3 Cable-Wireless Panama
13999 93 52 9 Mega Cable S.A. de C.V.
14420 87 6 42 ANDINATEL S.A.
6535 86 7 23 Chilesat Servicios Empresari
11311 86 8 22 Sinectis S.A.
5639 82 8 8 Telecommunications Services o
10481 81 32 7 Prima S.A.
4270 79 18 9 Red de Interconexion Universi
15311 78 25 37 Telefonica Empresas
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 635 225 The Internet Solution
5536 114 15 18 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
20928 85 16 2 Noor Advanced Technologies AS
2905 84 267 76 The Internetworking Company o
24835 53 34 6 RAYA Telecom - Egypt
8452 40 20 5 TEDATA
6713 35 54 9 Itissalat Al-MAGHRIB
11845 35 9 11 Data Pro Business Online
9129 30 3 2 UUNET Kenya
12455 30 6 7 Jambonet Autonomous system
5713 27 141 24 Telkom SA Ltd
8524 23 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8346 17 10 11 SONATEL-AS Autonomous System
21280 17 2 3 Swift Global Kenya Ltd.Is an
21491 16 1 3 UTL On-line is RF broadband I
15706 15 4 2 Sudatel Internet Exchange Aut
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1142 823 DLA Systems Automation Center
4323 1029 810 Time Warner Telecom
18566 766 760 Covad Communications
4134 886 712 Data Communications Bureau
9583 598 582 Satyam Infoway Ltd.,
6197 865 460 BellSouth Network Solutions,
22773 473 449 Cox Communications, Inc. Atla
27364 465 447 Armstrong Cable Services
5668 450 431 Century Telephone
3602 498 405 Sprint Canada, Inc.
6478 493 388 AT&T Worldnet Services
4755 466 368 Videsh Sanchar Nigam Ltd. Aut
17676 399 332 XTAGE CORPORATION
6467 361 328 E.Spire Communications, Inc.
9929 353 316 China Netcom Corp.
4766 593 309 Korea Internet Exchange for "
1239 951 295 Sprint
9443 374 295 Primus Telecommunications
7545 458 293 TPG Internet Pty Ltd
6140 361 291 ImpSat
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News
65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK
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.
64512 PRIVATE 199.216.148.0/28 15296 Netera Alliance Inc.
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
65535 PRIVATE 204.10.155.0/24 33205 KMC Telecom Solution
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
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
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
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 /10:8 /11:14 /12:62
/13:148 /14:305 /15:563 /16:8285 /17:2417 /18:4124
/19:10061 /20:10703 /21:8560 /22:11823 /23:13054 /24:85425
/25:265 /26:240 /27:97 /28:49 /29:24 /30:80
/31:0 /32:43
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 751 766 Covad Communications
6197 708 865 BellSouth Network Solutions,
7018 631 1455 AT&T WorldNet Services
2386 587 823 AT&T Data Communications Serv
4323 480 1029 Time Warner Telecom
27364 450 465 Armstrong Cable Services
9583 420 598 Satyam Infoway Ltd.,
4766 404 593 Korea Internet Exchange for "
5668 381 450 Century Telephone
1239 370 951 Sprint
702 366 605 UUNET - Commercial IP service
6198 333 466 BellSouth Network Solutions,
10036 296 296 C&M Communication Co. Ltd.
6517 287 309 Yipes Communications, Inc.
9929 278 353 China Netcom Corp.
6467 273 361 E.Spire Communications, Inc.
11456 263 310 Carolina Online, Inc.
13609 256 305 Choice One Communications Inc
701 245 1033 UUNET Technologies, Inc.
25844 245 245 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1488 13:1 15:9 16:2
17:3 18:4 20:5 24:737 32:65 33:4
38:99 40:55 44:3 47:2 52:3 55:2
56:3 57:23 59:2 60:20 61:702 62:519
63:1869 64:2578 65:2052 66:2732 67:517 68:504
69:931 70:63 71:9 72:69 80:545 81:515
82:357 83:266 84:133 85:119 128:139 129:163
130:96 131:278 132:37 133:1 134:142 135:30
136:213 137:63 138:160 139:53 140:196 141:101
142:140 143:128 144:167 145:44 146:283 147:100
148:266 149:162 150:95 151:63 152:110 153:81
154:3 155:142 156:63 157:81 158:152 159:164
160:68 161:59 162:420 163:82 164:216 165:158
166:130 167:226 168:402 169:133 170:314 171:9
192:5677 193:3076 194:2258 195:1589 196:634 198:3871
199:3278 200:3976 201:49 202:5186 203:6014 204:3660
205:2030 206:2326 207:2723 208:2088 209:3188 210:1571
211:788 212:1171 213:1269 214:241 215:31 216:3650
217:1097 218:189 219:114 220:365 221:85 222:75
End of report
Routing Table Report 04:00 +10GMT Wed 23 Feb, 2005
Analysis Summary
----------------
BGP routing table entries examined: 156530
Prefixes after maximum aggregation: 91395
Unique aggregates announced to Internet: 75327
Total ASes present in the Internet Routing Table: 19024
Origin-only ASes present in the Internet Routing Table: 16536
Origin ASes announcing only one prefix: 7722
Transit ASes present in the Internet Routing Table: 2488
Transit-only ASes present in the Internet Routing Table: 81
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: 11
Number of addresses announced to Internet: 1378487880
Equivalent to 82 /8s, 42 /16s and 14 /24s
Percentage of available address space announced: 37.2
Percentage of allocated address space announced: 58.8
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 72962
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31159
Total APNIC prefixes after maximum aggregation: 14988
Prefixes being announced from the APNIC address blocks: 29206
Unique aggregates announced from the APNIC address blocks: 14926
APNIC Region origin ASes present in the Internet Routing Table: 2214
APNIC Region origin ASes announcing only one prefix: 650
APNIC Region transit ASes present in the Internet Routing Table: 322
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 174540416
Equivalent to 10 /8s, 103 /16s and 70 /24s
Percentage of available APNIC address space announced: 64.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 87449
Total ARIN prefixes after maximum aggregation: 52818
Prefixes being announced from the ARIN address blocks: 66595
Unique aggregates announced from the ARIN address blocks: 24330
ARIN Region origin ASes present in the Internet Routing Table: 9888
ARIN Region origin ASes announcing only one prefix: 3579
ARIN Region transit ASes present in the Internet Routing Table: 958
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 239556608
Equivalent to 14 /8s, 71 /16s and 88 /24s
Percentage of available ARIN address space announced: 71.4
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, 29696-30719, 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: 29693
Total RIPE prefixes after maximum aggregation: 20454
Prefixes being announced from the RIPE address blocks: 26571
Unique aggregates announced from the RIPE address blocks: 17620
RIPE Region origin ASes present in the Internet Routing Table: 6331
RIPE Region origin ASes announcing only one prefix: 3341
RIPE Region transit ASes present in the Internet Routing Table: 1078
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 192568640
Equivalent to 11 /8s, 122 /16s and 93 /24s
Percentage of available RIPE address space announced: 67.5
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: 6854
Total LACNIC prefixes after maximum aggregation: 2423
Prefixes being announced from the LACNIC address blocks: 6773
Unique aggregates announced from the LACNIC address blocks: 4015
LACNIC Region origin ASes present in the Internet Routing Table: 419
LACNIC Region origin ASes announcing only one prefix: 127
LACNIC Region transit ASes present in the Internet Routing Table: 81
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 17574912
Equivalent to 1 /8s, 12 /16s and 44 /24s
Percentage of available LACNIC address space announced: 52.4
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1356
Total AfriNIC prefixes after maximum aggregation: 712
Prefixes being announced from the AfriNIC address blocks: 908
Unique aggregates announced from the AfriNIC address blocks: 716
AfriNIC Region origin ASes present in the Internet Routing Table: 97
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2177280
Equivalent to 0 /8s, 33 /16s and 57 /24s
Percentage of available AfriNIC address space announced: 13.0
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 886 4712 174 Data Communications Bureau
1221 787 1185 559 Telstra Pty Ltd
9583 598 49 16 Satyam Infoway Ltd.,
4766 590 3415 281 Korea Internet Exchange for "
7545 501 86 69 TPG Internet Pty Ltd
4755 456 241 99 Videsh Sanchar Nigam Ltd. Aut
17676 399 5996 67 XTAGE CORPORATION
9443 374 77 79 Primus Telecommunications
9929 353 165 37 China Netcom Corp.
2907 348 1839 322 SINET Japan
17557 326 24 149 Pakistan Telecom
10036 293 27 269 C&M Communication Co. Ltd.
7474 285 283 207 Optus Communications Pty Ltd
703 273 355 214 UUNET
2764 260 238 208 connect.com.au pty ltd
4808 237 170 129 CHINANET core WAN North
9498 237 81 53 BHARTI BT INTERNET LTD.
9800 237 383 75 CHINA UNICOM
4802 230 28 139 Wantree Development
9942 220 72 117 COMindico Australia
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1458 6619 971 AT&T WorldNet Services
721 1143 21835 319 DLA Systems Automation Center
701 1029 8308 877 UUNET Technologies, Inc.
4323 1029 668 219 Time Warner Telecom
1239 951 2874 656 Sprint
6197 865 379 405 BellSouth Network Solutions,
2386 823 496 611 AT&T Data Communications Serv
18566 766 208 6 Covad Communications
209 647 3466 499 Qwest
3356 591 10867 442 Level 3 Communications, LLC
20115 582 485 303 Charter Communications
3561 562 2372 418 Cable & Wireless USA
852 525 1126 400 Telus Advanced Communications
174 498 5471 425 PSINet Inc.
3602 498 120 93 Sprint Canada, Inc.
6478 496 821 104 AT&T Worldnet Services
22773 473 1090 24 Cox Communications, Inc. Atla
6198 464 566 188 BellSouth Network Solutions,
27364 464 43 18 Armstrong Cable Services
5668 449 91 19 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 606 2022 503 UUNET - Commercial IP service
3320 295 2992 229 Deutsche Telekom AG
3301 289 1112 277 TeliaNet Sweden
8220 277 466 271 COLT Internet - International
680 253 2041 239 DFN-IP service G-WiN
3246 229 476 223 Song Networks
8708 218 120 197 Romania Data Systems S.A.
13083 217 51 8 Mannesmann Datenverarbeitung
1257 204 708 170 SWIPnet Swedish IP Network
3215 203 1025 80 France Telecom Transpac
5515 187 842 135 Sonera Solution Autonomous Sy
6746 180 47 144 Dynamic Network Technologies,
786 176 1794 176 The JANET IP Service
8866 175 19 21 Bulgarian Telecommunication C
3269 163 1424 72 TELECOM ITALIA
3300 163 184 84 AUCS Communications Services
719 161 322 103 LANLINK autonomous system
25186 141 138 99 France Telecom Transpac's Tra
5400 139 234 123 BT Ignite European Backbone
9121 130 227 19 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 360 140 74 ImpSat
8151 335 501 142 UniNet S.A. de C.V.
16814 233 14 6 NSS, S.A.
11172 221 101 55 Servicios Alestra S.A de C.V
6147 189 102 20 Telefonica Del Peru
11664 151 19 24 Keytech SA
7303 146 66 30 Telecom Argentina Stet-France
6505 135 90 91 Global One Communicaoes Ltda
14117 119 7 5 Telefonica del Sur S.A.
6503 117 146 80 AVANTEL, S.A.
11992 107 9 31 Integrated Systems
11556 97 48 3 Cable-Wireless Panama
13999 93 52 9 Mega Cable S.A. de C.V.
14420 87 6 42 ANDINATEL S.A.
11311 86 8 22 Sinectis S.A.
6535 85 7 23 Chilesat Servicios Empresari
5639 82 8 8 Telecommunications Services o
10481 81 32 7 Prima S.A.
4270 79 18 9 Red de Interconexion Universi
15311 78 25 37 Telefonica Empresas
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 635 225 The Internet Solution
5536 114 15 18 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
20928 85 16 2 Noor Advanced Technologies AS
2905 84 267 76 The Internetworking Company o
24835 53 34 6 RAYA Telecom - Egypt
8452 40 20 5 TEDATA
6713 35 54 9 Itissalat Al-MAGHRIB
11845 35 9 11 Data Pro Business Online
12455 31 7 8 Jambonet Autonomous system
9129 30 3 2 UUNET Kenya
5713 27 141 24 Telkom SA Ltd
8524 23 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8346 17 10 11 SONATEL-AS Autonomous System
21280 17 2 3 Swift Global Kenya Ltd.Is an
21491 16 1 3 UTL On-line is RF broadband I
15706 15 4 2 Sudatel Internet Exchange Aut
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1143 824 DLA Systems Automation Center
4323 1029 810 Time Warner Telecom
18566 766 760 Covad Communications
4134 886 712 Data Communications Bureau
9583 598 582 Satyam Infoway Ltd.,
6197 865 460 BellSouth Network Solutions,
22773 473 449 Cox Communications, Inc. Atla
27364 464 446 Armstrong Cable Services
7545 501 432 TPG Internet Pty Ltd
5668 449 430 Century Telephone
3602 498 405 Sprint Canada, Inc.
6478 496 392 AT&T Worldnet Services
4755 456 357 Videsh Sanchar Nigam Ltd. Aut
6467 367 334 E.Spire Communications, Inc.
17676 399 332 XTAGE CORPORATION
9929 353 316 China Netcom Corp.
4766 590 309 Korea Internet Exchange for "
1239 951 295 Sprint
9443 374 295 Primus Telecommunications
6140 360 286 ImpSat
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News
65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK
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.
64512 PRIVATE 199.216.148.0/28 15296 Netera Alliance Inc.
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
65535 PRIVATE 204.10.155.0/24 33205 KMC Telecom Solution
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
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
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
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 /10:8 /11:14 /12:62
/13:148 /14:304 /15:562 /16:8287 /17:2414 /18:4131
/19:10100 /20:10722 /21:8553 /22:11825 /23:13043 /24:85488
/25:297 /26:259 /27:96 /28:49 /29:21 /30:82
/31:0 /32:43
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 751 766 Covad Communications
6197 708 865 BellSouth Network Solutions,
7018 634 1458 AT&T WorldNet Services
2386 587 823 AT&T Data Communications Serv
4323 480 1029 Time Warner Telecom
27364 449 464 Armstrong Cable Services
9583 420 598 Satyam Infoway Ltd.,
4766 401 590 Korea Internet Exchange for "
5668 381 449 Century Telephone
1239 370 951 Sprint
702 366 606 UUNET - Commercial IP service
6198 331 464 BellSouth Network Solutions,
10036 293 293 C&M Communication Co. Ltd.
6517 287 309 Yipes Communications, Inc.
9929 278 353 China Netcom Corp.
6467 274 367 E.Spire Communications, Inc.
11456 263 310 Carolina Online, Inc.
13609 255 304 Choice One Communications Inc
25844 245 245 Skadden, Arps, Slate, Meagher
701 241 1029 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1488 13:1 15:9 16:2
17:3 18:4 20:5 24:737 32:65 33:3
38:99 40:55 44:3 47:2 52:3 55:2
56:3 57:23 59:2 60:17 61:669 62:521
63:1863 64:2577 65:2057 66:2738 67:518 68:506
69:929 70:64 71:3 72:65 80:543 81:514
82:360 83:269 84:131 85:113 128:132 129:165
130:96 131:275 132:37 133:1 134:142 135:30
136:213 137:63 138:180 139:53 140:195 141:101
142:140 143:127 144:255 145:44 146:283 147:100
148:265 149:162 150:95 151:63 152:110 153:81
154:2 155:142 156:71 157:81 158:152 159:164
160:68 161:59 162:420 163:84 164:216 165:158
166:130 167:226 168:402 169:133 170:314 171:9
192:5679 193:3081 194:2255 195:1579 196:635 198:3879
199:3292 200:3973 201:49 202:5228 203:6002 204:3655
205:2030 206:2309 207:2703 208:2090 209:3170 210:1571
211:788 212:1163 213:1265 214:242 215:31 216:3663
217:1092 218:190 219:117 220:367 221:90 222:82
End of report
Routing Table Report 04:00 +10GMT Tue 22 Feb, 2005
Analysis Summary
----------------
BGP routing table entries examined: 156250
Prefixes after maximum aggregation: 91189
Unique aggregates announced to Internet: 75317
Total ASes present in the Internet Routing Table: 19009
Origin-only ASes present in the Internet Routing Table: 16516
Origin ASes announcing only one prefix: 7726
Transit ASes present in the Internet Routing Table: 2493
Transit-only ASes present in the Internet Routing Table: 80
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: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1377488200
Equivalent to 82 /8s, 26 /16s and 205 /24s
Percentage of available address space announced: 37.2
Percentage of allocated address space announced: 58.8
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 72865
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31120
Total APNIC prefixes after maximum aggregation: 15012
Prefixes being announced from the APNIC address blocks: 29171
Unique aggregates announced from the APNIC address blocks: 14938
APNIC Region origin ASes present in the Internet Routing Table: 2213
APNIC Region origin ASes announcing only one prefix: 650
APNIC Region transit ASes present in the Internet Routing Table: 326
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 174127488
Equivalent to 10 /8s, 96 /16s and 249 /24s
Percentage of available APNIC address space announced: 64.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 87333
Total ARIN prefixes after maximum aggregation: 52621
Prefixes being announced from the ARIN address blocks: 66491
Unique aggregates announced from the ARIN address blocks: 24366
ARIN Region origin ASes present in the Internet Routing Table: 9875
ARIN Region origin ASes announcing only one prefix: 3580
ARIN Region transit ASes present in the Internet Routing Table: 958
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 239375104
Equivalent to 14 /8s, 68 /16s and 147 /24s
Percentage of available ARIN address space announced: 71.3
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, 29696-30719, 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: 29600
Total RIPE prefixes after maximum aggregation: 20430
Prefixes being announced from the RIPE address blocks: 26470
Unique aggregates announced from the RIPE address blocks: 17587
RIPE Region origin ASes present in the Internet Routing Table: 6330
RIPE Region origin ASes announcing only one prefix: 3344
RIPE Region transit ASes present in the Internet Routing Table: 1082
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 192294208
Equivalent to 11 /8s, 118 /16s and 45 /24s
Percentage of available RIPE address space announced: 67.4
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: 6843
Total LACNIC prefixes after maximum aggregation: 2414
Prefixes being announced from the LACNIC address blocks: 6751
Unique aggregates announced from the LACNIC address blocks: 4009
LACNIC Region origin ASes present in the Internet Routing Table: 418
LACNIC Region origin ASes announcing only one prefix: 127
LACNIC Region transit ASes present in the Internet Routing Table: 80
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 17579520
Equivalent to 1 /8s, 12 /16s and 62 /24s
Percentage of available LACNIC address space announced: 52.4
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1347
Total AfriNIC prefixes after maximum aggregation: 712
Prefixes being announced from the AfriNIC address blocks: 906
Unique aggregates announced from the AfriNIC address blocks: 714
AfriNIC Region origin ASes present in the Internet Routing Table: 97
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2176768
Equivalent to 0 /8s, 33 /16s and 55 /24s
Percentage of available AfriNIC address space announced: 13.0
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 886 4712 174 Data Communications Bureau
1221 790 1186 563 Telstra Pty Ltd
9583 594 49 15 Satyam Infoway Ltd.,
4766 590 3415 281 Korea Internet Exchange for "
7545 500 86 69 TPG Internet Pty Ltd
4755 456 241 100 Videsh Sanchar Nigam Ltd. Aut
17676 398 5980 66 XTAGE CORPORATION
9443 374 77 79 Primus Telecommunications
9929 353 165 37 China Netcom Corp.
2907 348 1839 322 SINET Japan
17557 326 24 149 Pakistan Telecom
10036 293 27 269 C&M Communication Co. Ltd.
7474 285 283 207 Optus Communications Pty Ltd
703 273 355 214 UUNET
2764 260 238 208 connect.com.au pty ltd
9498 239 82 55 BHARTI BT INTERNET LTD.
9800 237 383 75 CHINA UNICOM
4808 236 170 128 CHINANET core WAN North
4802 231 28 140 Wantree Development
9942 220 72 117 COMindico Australia
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1456 6602 969 AT&T WorldNet Services
721 1140 21819 317 DLA Systems Automation Center
701 1028 8308 876 UUNET Technologies, Inc.
4323 1026 668 219 Time Warner Telecom
1239 951 2874 656 Sprint
6197 860 378 403 BellSouth Network Solutions,
2386 822 496 611 AT&T Data Communications Serv
18566 766 208 6 Covad Communications
209 646 3466 498 Qwest
3356 591 10867 442 Level 3 Communications, LLC
20115 582 485 303 Charter Communications
3561 562 2372 418 Cable & Wireless USA
852 524 1126 399 Telus Advanced Communications
3602 497 120 93 Sprint Canada, Inc.
6478 496 821 104 AT&T Worldnet Services
174 494 5471 421 PSINet Inc.
22773 473 1090 24 Cox Communications, Inc. Atla
27364 464 43 18 Armstrong Cable Services
6198 463 566 187 BellSouth Network Solutions,
7132 441 8396 381 SBC Internet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 606 2022 503 UUNET - Commercial IP service
3320 296 2992 230 Deutsche Telekom AG
3301 289 1112 277 TeliaNet Sweden
8220 277 466 271 COLT Internet - International
680 253 2041 239 DFN-IP service G-WiN
3246 229 476 223 Song Networks
8708 218 120 197 Romania Data Systems S.A.
13083 217 51 8 Mannesmann Datenverarbeitung
1257 204 708 170 SWIPnet Swedish IP Network
3215 203 1025 80 France Telecom Transpac
5515 187 842 135 Sonera Solution Autonomous Sy
6746 179 47 143 Dynamic Network Technologies,
786 176 1794 176 The JANET IP Service
8866 175 19 21 Bulgarian Telecommunication C
719 163 322 105 LANLINK autonomous system
3269 163 1424 72 TELECOM ITALIA
3300 163 184 84 AUCS Communications Services
25186 141 138 99 France Telecom Transpac's Tra
5400 139 234 123 BT Ignite European Backbone
9051 127 8 32 INCONET Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 359 140 69 ImpSat
8151 335 501 142 UniNet S.A. de C.V.
16814 233 14 6 NSS, S.A.
11172 221 101 55 Servicios Alestra S.A de C.V
6147 189 102 20 Telefonica Del Peru
11664 150 19 24 Keytech SA
7303 146 66 30 Telecom Argentina Stet-France
6505 135 90 91 Global One Communicaoes Ltda
14117 119 7 5 Telefonica del Sur S.A.
6503 117 146 80 AVANTEL, S.A.
11992 107 9 31 Integrated Systems
11556 97 48 3 Cable-Wireless Panama
13999 92 52 9 Mega Cable S.A. de C.V.
14420 87 6 42 ANDINATEL S.A.
11311 86 8 22 Sinectis S.A.
6535 85 7 23 Chilesat Servicios Empresari
10481 82 32 7 Prima S.A.
5639 81 8 8 Telecommunications Services o
15311 78 25 37 Telefonica Empresas
4270 75 18 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 635 225 The Internet Solution
5536 114 15 18 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
20928 85 16 2 Noor Advanced Technologies AS
2905 84 267 76 The Internetworking Company o
24835 53 34 6 RAYA Telecom - Egypt
8452 39 20 5 TEDATA
6713 35 54 9 Itissalat Al-MAGHRIB
11845 35 9 11 Data Pro Business Online
9129 30 3 2 UUNET Kenya
12455 30 7 8 Jambonet Autonomous system
5713 27 141 24 Telkom SA Ltd
8524 23 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
21280 17 2 3 Swift Global Kenya Ltd.Is an
15706 15 4 2 Sudatel Internet Exchange Aut
21491 15 1 3 UTL On-line is RF broadband I
15808 14 1 1 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1140 823 DLA Systems Automation Center
4323 1026 807 Time Warner Telecom
18566 766 760 Covad Communications
4134 886 712 Data Communications Bureau
9583 594 579 Satyam Infoway Ltd.,
6197 860 457 BellSouth Network Solutions,
22773 473 449 Cox Communications, Inc. Atla
27364 464 446 Armstrong Cable Services
7545 500 431 TPG Internet Pty Ltd
5668 439 421 Century Telephone
3602 497 404 Sprint Canada, Inc.
6478 496 392 AT&T Worldnet Services
4755 456 356 Videsh Sanchar Nigam Ltd. Aut
22909 420 346 Comcast Cable Corporation
6467 366 333 E.Spire Communications, Inc.
17676 398 332 XTAGE CORPORATION
9929 353 316 China Netcom Corp.
4766 590 309 Korea Internet Exchange for "
1239 951 295 Sprint
9443 374 295 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News
65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK
65535 PRIVATE 204.10.155.0/24 33205 KMC Telecom Solution
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
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
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
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 /10:8 /11:14 /12:62
/13:147 /14:305 /15:561 /16:8289 /17:2405 /18:4126
/19:10095 /20:10713 /21:8537 /22:11814 /23:13021 /24:85286
/25:293 /26:263 /27:97 /28:47 /29:22 /30:80
/31:0 /32:43
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 751 766 Covad Communications
6197 704 860 BellSouth Network Solutions,
7018 632 1456 AT&T WorldNet Services
2386 586 822 AT&T Data Communications Serv
4323 477 1026 Time Warner Telecom
27364 449 464 Armstrong Cable Services
9583 416 594 Satyam Infoway Ltd.,
4766 401 590 Korea Internet Exchange for "
5668 374 439 Century Telephone
1239 370 951 Sprint
702 366 606 UUNET - Commercial IP service
6198 330 463 BellSouth Network Solutions,
10036 293 293 C&M Communication Co. Ltd.
6517 287 309 Yipes Communications, Inc.
9929 278 353 China Netcom Corp.
6467 274 366 E.Spire Communications, Inc.
11456 263 310 Carolina Online, Inc.
13609 255 304 Choice One Communications Inc
25844 245 245 Skadden, Arps, Slate, Meagher
701 241 1028 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1484 13:1 15:9 16:2
17:3 18:4 20:5 24:736 32:65 33:3
38:99 40:55 44:3 47:2 52:3 55:2
56:3 57:23 59:3 60:14 61:669 62:518
63:1863 64:2581 65:2056 66:2739 67:519 68:503
69:930 70:63 71:67 72:65 80:538 81:498
82:339 83:270 84:132 85:112 128:134 129:165
130:96 131:275 132:37 133:1 134:142 135:30
136:211 137:63 138:179 139:53 140:191 141:101
142:140 143:127 144:256 145:44 146:283 147:99
148:265 149:162 150:95 151:63 152:110 153:81
154:2 155:143 156:63 157:81 158:152 159:164
160:68 161:59 162:420 163:84 164:213 165:158
166:130 167:226 168:399 169:133 170:314 171:9
192:5681 193:3073 194:2254 195:1579 196:633 198:3859
199:3285 200:3952 201:49 202:5202 203:6009 204:3641
205:2021 206:2304 207:2665 208:2080 209:3136 210:1570
211:787 212:1163 213:1265 214:241 215:31 216:3665
217:1089 218:190 219:117 220:365 221:85 222:80
End of report
Routing Table Report 04:00 +10GMT Mon 21 Feb, 2005
Analysis Summary
----------------
BGP routing table entries examined: 156377
Prefixes after maximum aggregation: 91102
Unique aggregates announced to Internet: 75328
Total ASes present in the Internet Routing Table: 19005
Origin-only ASes present in the Internet Routing Table: 16515
Origin ASes announcing only one prefix: 7733
Transit ASes present in the Internet Routing Table: 2490
Transit-only ASes present in the Internet Routing Table: 82
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: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1377207624
Equivalent to 82 /8s, 22 /16s and 133 /24s
Percentage of available address space announced: 37.2
Percentage of allocated address space announced: 58.7
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 72976
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31204
Total APNIC prefixes after maximum aggregation: 14982
Prefixes being announced from the APNIC address blocks: 29253
Unique aggregates announced from the APNIC address blocks: 14900
APNIC Region origin ASes present in the Internet Routing Table: 2209
APNIC Region origin ASes announcing only one prefix: 651
APNIC Region transit ASes present in the Internet Routing Table: 327
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 174103424
Equivalent to 10 /8s, 96 /16s and 155 /24s
Percentage of available APNIC address space announced: 64.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 87356
Total ARIN prefixes after maximum aggregation: 52565
Prefixes being announced from the ARIN address blocks: 66487
Unique aggregates announced from the ARIN address blocks: 24369
ARIN Region origin ASes present in the Internet Routing Table: 9882
ARIN Region origin ASes announcing only one prefix: 3589
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: 239365888
Equivalent to 14 /8s, 68 /16s and 111 /24s
Percentage of available ARIN address space announced: 71.3
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, 29696-30719, 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: 29621
Total RIPE prefixes after maximum aggregation: 20430
Prefixes being announced from the RIPE address blocks: 26492
Unique aggregates announced from the RIPE address blocks: 17627
RIPE Region origin ASes present in the Internet Routing Table: 6320
RIPE Region origin ASes announcing only one prefix: 3340
RIPE Region transit ASes present in the Internet Routing Table: 1077
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 192105280
Equivalent to 11 /8s, 115 /16s and 75 /24s
Percentage of available RIPE address space announced: 67.4
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: 6844
Total LACNIC prefixes after maximum aggregation: 2414
Prefixes being announced from the LACNIC address blocks: 6755
Unique aggregates announced from the LACNIC address blocks: 4011
LACNIC Region origin ASes present in the Internet Routing Table: 419
LACNIC Region origin ASes announcing only one prefix: 128
LACNIC Region transit ASes present in the Internet Routing Table: 80
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 17509120
Equivalent to 1 /8s, 11 /16s and 43 /24s
Percentage of available LACNIC address space announced: 52.2
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1345
Total AfriNIC prefixes after maximum aggregation: 711
Prefixes being announced from the AfriNIC address blocks: 906
Unique aggregates announced from the AfriNIC address blocks: 715
AfriNIC Region origin ASes present in the Internet Routing Table: 97
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2177024
Equivalent to 0 /8s, 33 /16s and 56 /24s
Percentage of available AfriNIC address space announced: 13.0
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 885 4712 174 Data Communications Bureau
1221 793 1186 566 Telstra Pty Ltd
9583 593 49 15 Satyam Infoway Ltd.,
4766 590 3415 281 Korea Internet Exchange for "
7545 500 86 69 TPG Internet Pty Ltd
4755 458 241 101 Videsh Sanchar Nigam Ltd. Aut
17676 398 5980 66 XTAGE CORPORATION
9443 374 77 79 Primus Telecommunications
9929 351 165 36 China Netcom Corp.
2907 348 1839 322 SINET Japan
17557 322 24 148 Pakistan Telecom
10036 293 27 269 C&M Communication Co. Ltd.
7474 285 283 207 Optus Communications Pty Ltd
703 273 355 214 UUNET
2764 260 238 208 connect.com.au pty ltd
9498 238 81 54 BHARTI BT INTERNET LTD.
9800 237 383 75 CHINA UNICOM
4808 236 170 128 CHINANET core WAN North
4802 231 28 140 Wantree Development
17974 231 63 12 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1471 6602 973 AT&T WorldNet Services
721 1140 21819 317 DLA Systems Automation Center
701 1028 8308 878 UUNET Technologies, Inc.
4323 1027 668 219 Time Warner Telecom
1239 951 2874 656 Sprint
6197 864 379 404 BellSouth Network Solutions,
2386 824 496 612 AT&T Data Communications Serv
18566 767 208 6 Covad Communications
209 646 3466 498 Qwest
3356 593 10852 442 Level 3 Communications, LLC
20115 581 484 302 Charter Communications
3561 562 2372 418 Cable & Wireless USA
852 524 1126 399 Telus Advanced Communications
3602 497 120 93 Sprint Canada, Inc.
6478 496 821 104 AT&T Worldnet Services
174 486 5471 421 PSINet Inc.
22773 472 1090 24 Cox Communications, Inc. Atla
27364 464 43 18 Armstrong Cable Services
6198 463 566 187 BellSouth Network Solutions,
5668 450 91 19 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 607 2022 504 UUNET - Commercial IP service
3320 296 2992 230 Deutsche Telekom AG
3301 289 1112 277 TeliaNet Sweden
8220 277 466 271 COLT Internet - International
680 253 2041 239 DFN-IP service G-WiN
3246 229 476 223 Song Networks
8708 218 120 197 Romania Data Systems S.A.
13083 217 51 8 Mannesmann Datenverarbeitung
1257 204 708 170 SWIPnet Swedish IP Network
3215 202 1025 80 France Telecom Transpac
5515 187 842 135 Sonera Solution Autonomous Sy
6746 179 47 143 Dynamic Network Technologies,
786 176 1794 176 The JANET IP Service
8866 175 19 21 Bulgarian Telecommunication C
719 163 322 105 LANLINK autonomous system
3269 163 1424 72 TELECOM ITALIA
3300 163 184 84 AUCS Communications Services
25186 141 138 99 France Telecom Transpac's Tra
5400 137 234 121 BT Ignite European Backbone
9051 128 8 33 INCONET Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 361 140 70 ImpSat
8151 335 501 142 UniNet S.A. de C.V.
16814 233 14 6 NSS, S.A.
11172 221 101 55 Servicios Alestra S.A de C.V
6147 189 102 20 Telefonica Del Peru
11664 150 19 24 Keytech SA
7303 146 66 30 Telecom Argentina Stet-France
6505 135 90 91 Global One Communicaoes Ltda
14117 119 7 5 Telefonica del Sur S.A.
6503 117 146 80 AVANTEL, S.A.
11992 107 9 31 Integrated Systems
11556 97 48 3 Cable-Wireless Panama
13999 92 52 9 Mega Cable S.A. de C.V.
14420 87 6 42 ANDINATEL S.A.
11311 86 8 22 Sinectis S.A.
6535 85 7 23 Chilesat Servicios Empresari
10481 82 32 7 Prima S.A.
5639 81 8 8 Telecommunications Services o
4270 78 18 9 Red de Interconexion Universi
15311 78 25 37 Telefonica Empresas
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 635 225 The Internet Solution
5536 114 15 18 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
20928 85 16 2 Noor Advanced Technologies AS
2905 84 267 76 The Internetworking Company o
24835 53 34 6 RAYA Telecom - Egypt
8452 39 20 5 TEDATA
6713 35 54 9 Itissalat Al-MAGHRIB
11845 35 9 11 Data Pro Business Online
9129 30 3 2 UUNET Kenya
12455 29 6 7 Jambonet Autonomous system
5713 27 141 24 Telkom SA Ltd
8524 23 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
21280 17 2 3 Swift Global Kenya Ltd.Is an
15706 15 4 2 Sudatel Internet Exchange Aut
21491 15 1 3 UTL On-line is RF broadband I
15808 14 1 1 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1140 823 DLA Systems Automation Center
4323 1027 808 Time Warner Telecom
18566 767 761 Covad Communications
4134 885 711 Data Communications Bureau
9583 593 578 Satyam Infoway Ltd.,
6197 864 460 BellSouth Network Solutions,
22773 472 448 Cox Communications, Inc. Atla
27364 464 446 Armstrong Cable Services
7545 500 431 TPG Internet Pty Ltd
5668 450 431 Century Telephone
3602 497 404 Sprint Canada, Inc.
6478 496 392 AT&T Worldnet Services
4755 458 357 Videsh Sanchar Nigam Ltd. Aut
22909 420 346 Comcast Cable Corporation
6467 369 336 E.Spire Communications, Inc.
17676 398 332 XTAGE CORPORATION
9929 351 315 China Netcom Corp.
4766 590 309 Korea Internet Exchange for "
1239 951 295 Sprint
9443 374 295 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News
65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK
65535 PRIVATE 204.10.155.0/24 33205 KMC Telecom Solution
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
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
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
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 /10:8 /11:14 /12:62
/13:147 /14:304 /15:560 /16:8290 /17:2409 /18:4124
/19:10093 /20:10707 /21:8524 /22:11794 /23:13016 /24:85461
/25:292 /26:264 /27:96 /28:47 /29:21 /30:80
/31:0 /32:42
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 752 767 Covad Communications
6197 707 864 BellSouth Network Solutions,
7018 647 1471 AT&T WorldNet Services
2386 588 824 AT&T Data Communications Serv
4323 478 1027 Time Warner Telecom
27364 449 464 Armstrong Cable Services
9583 415 593 Satyam Infoway Ltd.,
4766 401 590 Korea Internet Exchange for "
5668 381 450 Century Telephone
1239 370 951 Sprint
702 367 607 UUNET - Commercial IP service
6198 330 463 BellSouth Network Solutions,
10036 293 293 C&M Communication Co. Ltd.
6517 287 309 Yipes Communications, Inc.
6467 277 369 E.Spire Communications, Inc.
9929 276 351 China Netcom Corp.
11456 263 310 Carolina Online, Inc.
13609 255 304 Choice One Communications Inc
25844 245 245 Skadden, Arps, Slate, Meagher
701 241 1028 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1483 13:1 15:9 16:2
17:3 18:4 20:5 24:736 32:65 33:3
38:99 40:55 44:3 47:2 52:3 55:2
56:3 57:23 59:3 60:14 61:701 62:521
63:1867 64:2573 65:2086 66:2734 67:518 68:504
69:929 70:63 71:67 72:64 80:541 81:509
82:355 83:269 84:128 85:113 128:138 129:165
130:96 131:278 132:37 133:1 134:142 135:30
136:213 137:63 138:180 139:53 140:191 141:101
142:137 143:125 144:257 145:44 146:283 147:100
148:265 149:162 150:94 151:62 152:110 153:81
154:2 155:143 156:63 157:82 158:152 159:164
160:68 161:59 162:420 163:84 164:228 165:158
166:130 167:226 168:399 169:133 170:314 171:9
192:5678 193:3069 194:2252 195:1577 196:633 198:3845
199:3287 200:3961 201:49 202:5221 203:6043 204:3654
205:2014 206:2313 207:2659 208:2085 209:3128 210:1570
211:787 212:1168 213:1274 214:242 215:31 216:3674
217:1089 218:189 219:117 220:369 221:86 222:82
End of report
Routing Table Report 04:00 +10GMT Sun 20 Feb, 2005
Analysis Summary
----------------
BGP routing table entries examined: 156096
Prefixes after maximum aggregation: 91038
Unique aggregates announced to Internet: 75217
Total ASes present in the Internet Routing Table: 18994
Origin-only ASes present in the Internet Routing Table: 16503
Origin ASes announcing only one prefix: 7733
Transit ASes present in the Internet Routing Table: 2491
Transit-only ASes present in the Internet Routing Table: 80
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: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1377461064
Equivalent to 82 /8s, 26 /16s and 99 /24s
Percentage of available address space announced: 37.2
Percentage of allocated address space announced: 58.8
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 72835
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31129
Total APNIC prefixes after maximum aggregation: 14976
Prefixes being announced from the APNIC address blocks: 29184
Unique aggregates announced from the APNIC address blocks: 14919
APNIC Region origin ASes present in the Internet Routing Table: 2205
APNIC Region origin ASes announcing only one prefix: 647
APNIC Region transit ASes present in the Internet Routing Table: 328
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 174108800
Equivalent to 10 /8s, 96 /16s and 176 /24s
Percentage of available APNIC address space announced: 64.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 87177
Total ARIN prefixes after maximum aggregation: 52517
Prefixes being announced from the ARIN address blocks: 66310
Unique aggregates announced from the ARIN address blocks: 24302
ARIN Region origin ASes present in the Internet Routing Table: 9875
ARIN Region origin ASes announcing only one prefix: 3589
ARIN Region transit ASes present in the Internet Routing Table: 958
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 239346944
Equivalent to 14 /8s, 68 /16s and 37 /24s
Percentage of available ARIN address space announced: 71.3
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, 29696-30719, 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: 29608
Total RIPE prefixes after maximum aggregation: 20426
Prefixes being announced from the RIPE address blocks: 26476
Unique aggregates announced from the RIPE address blocks: 17580
RIPE Region origin ASes present in the Internet Routing Table: 6322
RIPE Region origin ASes announcing only one prefix: 3344
RIPE Region transit ASes present in the Internet Routing Table: 1076
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 192316736
Equivalent to 11 /8s, 118 /16s and 133 /24s
Percentage of available RIPE address space announced: 67.4
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: 6833
Total LACNIC prefixes after maximum aggregation: 2408
Prefixes being announced from the LACNIC address blocks: 6746
Unique aggregates announced from the LACNIC address blocks: 4003
LACNIC Region origin ASes present in the Internet Routing Table: 419
LACNIC Region origin ASes announcing only one prefix: 128
LACNIC Region transit ASes present in the Internet Routing Table: 79
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 17434624
Equivalent to 1 /8s, 10 /16s and 8 /24s
Percentage of available LACNIC address space announced: 52.0
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1342
Total AfriNIC prefixes after maximum aggregation: 711
Prefixes being announced from the AfriNIC address blocks: 906
Unique aggregates announced from the AfriNIC address blocks: 715
AfriNIC Region origin ASes present in the Internet Routing Table: 97
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 13
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2177024
Equivalent to 0 /8s, 33 /16s and 56 /24s
Percentage of available AfriNIC address space announced: 13.0
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 885 4712 174 Data Communications Bureau
1221 793 1186 566 Telstra Pty Ltd
9583 593 49 15 Satyam Infoway Ltd.,
4766 590 3415 281 Korea Internet Exchange for "
7545 500 86 69 TPG Internet Pty Ltd
4755 454 241 98 Videsh Sanchar Nigam Ltd. Aut
17676 398 5980 66 XTAGE CORPORATION
9443 374 77 79 Primus Telecommunications
9929 351 165 36 China Netcom Corp.
2907 348 1839 322 SINET Japan
17557 322 24 148 Pakistan Telecom
10036 293 27 269 C&M Communication Co. Ltd.
7474 286 299 209 Optus Communications Pty Ltd
703 270 339 211 UUNET
2764 260 238 208 connect.com.au pty ltd
9498 237 81 53 BHARTI BT INTERNET LTD.
9800 237 383 75 CHINA UNICOM
4808 236 170 128 CHINANET core WAN North
4802 231 28 140 Wantree Development
17974 230 63 12 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1456 6602 969 AT&T WorldNet Services
721 1137 21819 316 DLA Systems Automation Center
701 1028 8308 878 UUNET Technologies, Inc.
4323 1028 668 219 Time Warner Telecom
1239 951 2874 656 Sprint
6197 865 379 405 BellSouth Network Solutions,
2386 824 496 612 AT&T Data Communications Serv
18566 767 208 6 Covad Communications
209 646 3466 498 Qwest
3356 594 10852 443 Level 3 Communications, LLC
20115 581 484 302 Charter Communications
3561 567 2372 418 Cable & Wireless USA
852 524 1126 399 Telus Advanced Communications
3602 497 120 93 Sprint Canada, Inc.
6478 496 821 104 AT&T Worldnet Services
22773 472 1090 24 Cox Communications, Inc. Atla
27364 464 43 18 Armstrong Cable Services
6198 463 566 187 BellSouth Network Solutions,
5668 450 91 19 Century Telephone
7132 442 8412 382 SBC Internet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 607 2022 504 UUNET - Commercial IP service
3320 296 2992 230 Deutsche Telekom AG
3301 289 1112 277 TeliaNet Sweden
8220 277 466 271 COLT Internet - International
680 253 2041 239 DFN-IP service G-WiN
3246 229 476 223 Song Networks
8708 218 120 197 Romania Data Systems S.A.
13083 217 51 8 Mannesmann Datenverarbeitung
1257 204 708 170 SWIPnet Swedish IP Network
3215 202 1025 80 France Telecom Transpac
5515 187 842 135 Sonera Solution Autonomous Sy
6746 179 47 143 Dynamic Network Technologies,
786 176 1794 176 The JANET IP Service
8866 175 19 21 Bulgarian Telecommunication C
719 163 322 105 LANLINK autonomous system
3269 163 1424 72 TELECOM ITALIA
3300 163 184 84 AUCS Communications Services
25186 141 138 99 France Telecom Transpac's Tra
5400 137 234 121 BT Ignite European Backbone
9051 128 8 33 INCONET Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 361 140 70 ImpSat
8151 335 501 142 UniNet S.A. de C.V.
16814 233 14 6 NSS, S.A.
11172 221 101 55 Servicios Alestra S.A de C.V
6147 189 102 20 Telefonica Del Peru
11664 150 19 24 Keytech SA
7303 146 66 30 Telecom Argentina Stet-France
6505 135 90 91 Global One Communicaoes Ltda
14117 119 7 5 Telefonica del Sur S.A.
6503 117 146 80 AVANTEL, S.A.
11992 107 9 31 Integrated Systems
11556 97 48 3 Cable-Wireless Panama
13999 92 52 9 Mega Cable S.A. de C.V.
14420 87 6 42 ANDINATEL S.A.
11311 86 8 22 Sinectis S.A.
6535 85 7 23 Chilesat Servicios Empresari
10481 82 32 7 Prima S.A.
5639 81 8 8 Telecommunications Services o
4270 79 18 9 Red de Interconexion Universi
15311 78 25 37 Telefonica Empresas
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 267 635 225 The Internet Solution
5536 114 15 18 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
2905 84 267 76 The Internetworking Company o
20928 84 16 2 Noor Advanced Technologies AS
24835 53 34 6 RAYA Telecom - Egypt
8452 38 20 5 TEDATA
6713 35 54 9 Itissalat Al-MAGHRIB
11845 35 9 11 Data Pro Business Online
9129 30 3 2 UUNET Kenya
12455 29 6 7 Jambonet Autonomous system
5713 27 141 24 Telkom SA Ltd
8524 23 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
21280 17 2 3 Swift Global Kenya Ltd.Is an
15706 15 4 2 Sudatel Internet Exchange Aut
21491 15 1 3 UTL On-line is RF broadband I
15808 14 1 1 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1137 821 DLA Systems Automation Center
4323 1028 809 Time Warner Telecom
18566 767 761 Covad Communications
4134 885 711 Data Communications Bureau
9583 593 578 Satyam Infoway Ltd.,
6197 865 460 BellSouth Network Solutions,
22773 472 448 Cox Communications, Inc. Atla
27364 464 446 Armstrong Cable Services
7545 500 431 TPG Internet Pty Ltd
5668 450 431 Century Telephone
3602 497 404 Sprint Canada, Inc.
6478 496 392 AT&T Worldnet Services
4755 454 356 Videsh Sanchar Nigam Ltd. Aut
22909 420 346 Comcast Cable Corporation
6467 369 336 E.Spire Communications, Inc.
17676 398 332 XTAGE CORPORATION
9929 351 315 China Netcom Corp.
4766 590 309 Korea Internet Exchange for "
1239 951 295 Sprint
9443 374 295 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News
65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK
65535 PRIVATE 204.10.155.0/24 33205 KMC Telecom Solution
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
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
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
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 /10:8 /11:14 /12:62
/13:147 /14:305 /15:561 /16:8293 /17:2408 /18:4125
/19:10082 /20:10704 /21:8509 /22:11786 /23:13011 /24:85217
/25:294 /26:260 /27:97 /28:47 /29:22 /30:80
/31:0 /32:42
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 752 767 Covad Communications
6197 708 865 BellSouth Network Solutions,
7018 632 1456 AT&T WorldNet Services
2386 588 824 AT&T Data Communications Serv
4323 479 1028 Time Warner Telecom
27364 449 464 Armstrong Cable Services
9583 415 593 Satyam Infoway Ltd.,
4766 401 590 Korea Internet Exchange for "
5668 381 450 Century Telephone
1239 370 951 Sprint
702 367 607 UUNET - Commercial IP service
6198 330 463 BellSouth Network Solutions,
10036 293 293 C&M Communication Co. Ltd.
6517 287 309 Yipes Communications, Inc.
6467 277 369 E.Spire Communications, Inc.
9929 276 351 China Netcom Corp.
11456 263 310 Carolina Online, Inc.
13609 255 304 Choice One Communications Inc
25844 245 245 Skadden, Arps, Slate, Meagher
701 241 1028 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1486 13:1 15:9 16:2
17:3 18:4 20:4 24:736 32:65 33:3
38:98 40:55 44:3 47:2 52:3 55:2
56:3 57:23 59:3 60:14 61:694 62:521
63:1865 64:2579 65:2085 66:2734 67:515 68:504
69:919 70:63 71:2 72:64 80:541 81:511
82:356 83:268 84:129 85:114 128:137 129:165
130:96 131:278 132:37 133:1 134:142 135:30
136:213 137:63 138:180 139:53 140:191 141:101
142:140 143:126 144:255 145:44 146:283 147:101
148:265 149:162 150:95 151:62 152:110 153:79
154:2 155:143 156:64 157:82 158:152 159:164
160:68 161:59 162:420 163:85 164:214 165:159
166:130 167:226 168:399 169:133 170:314 171:9
192:5682 193:3071 194:2251 195:1574 196:633 198:3800
199:3265 200:3959 201:49 202:5191 203:6026 204:3649
205:2014 206:2314 207:2662 208:2081 209:3097 210:1571
211:787 212:1163 213:1267 214:240 215:31 216:3680
217:1089 218:189 219:117 220:369 221:86 222:82
End of report