Routing Table Report 04:00 +10GMT Tue 01 Jun, 2004
Analysis Summary
----------------
BGP routing table entries examined: 140812
Prefixes after maximum aggregation: 85269
Unique aggregates announced to Internet: 67540
Total ASes present in the Internet Routing Table: 17347
Origin-only ASes present in the Internet Routing Table: 15047
Origin ASes announcing only one prefix: 6979
Transit ASes present in the Internet Routing Table: 2300
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 13
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1291476220
Equivalent to 76 /8s, 250 /16s and 92 /24s
Percentage of available address space announced: 34.8
Percentage of allocated address space announced: 57.2
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 63784
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26907
Total APNIC prefixes after maximum aggregation: 13858
Prefixes being announced from the APNIC address blocks: 25210
Unique aggregates announced from the APNIC address blocks: 13875
APNIC Region origin ASes present in the Internet Routing Table: 2061
APNIC Region origin ASes announcing only one prefix: 614
APNIC Region transit ASes present in the Internet Routing Table: 337
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 148797184
Equivalent to 8 /8s, 222 /16s and 119 /24s
Percentage of available APNIC address space announced: 67.9
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 81120
Total ARIN prefixes after maximum aggregation: 50264
Prefixes being announced from the ARIN address blocks: 62662
Unique aggregates announced from the ARIN address blocks: 21722
ARIN Region origin ASes present in the Internet Routing Table: 9249
ARIN Region origin ASes announcing only one prefix: 3277
ARIN Region transit ASes present in the Internet Routing Table: 914
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 224522784
Equivalent to 13 /8s, 97 /16s and 242 /24s
Percentage of available ARIN address space announced: 74.3
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647, 29695 - 30719
31744 - 33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 25559
Total RIPE prefixes after maximum aggregation: 18233
Prefixes being announced from the RIPE address blocks: 22367
Unique aggregates announced from the RIPE address blocks: 14894
RIPE Region origin ASes present in the Internet Routing Table: 5497
RIPE Region origin ASes announcing only one prefix: 2958
RIPE Region transit ASes present in the Internet Routing Table: 935
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 163058432
Equivalent to 9 /8s, 184 /16s and 19 /24s
Percentage of available RIPE address space announced: 57.2
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
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: 6070
Total LACNIC prefixes after maximum aggregation: 2242
Prefixes being announced from the LACNIC address blocks: 5720
Unique aggregates announced from the LACNIC address blocks: 3511
LACNIC Region origin ASes present in the Internet Routing Table: 379
LACNIC Region origin ASes announcing only one prefix: 108
LACNIC Region transit ASes present in the Internet Routing Table: 73
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14966016
Equivalent to 0 /8s, 228 /16s and 93 /24s
Percentage of available LACNIC address space announced: 44.6
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1149
Total AfriNIC prefixes after maximum aggregation: 672
Prefixes being announced from the AfriNIC address blocks: 776
Unique aggregates announced from the AfriNIC address blocks: 582
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1865216
Equivalent to 0 /8s, 28 /16s and 118 /24s
Percentage of available AfriNIC address space announced: 11.1
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 847 1091 612 Telstra Pty Ltd
4134 735 3532 143 Data Communications Bureau
4766 490 2896 264 Korea Internet Exchange for "
9583 436 34 130 Satyam Infoway Ltd.,
4663 404 54 17 ELIMNET, INC
4755 365 125 56 Videsh Sanchar Nigam Ltd. Aut
9443 355 69 79 Primus Telecommunications
2907 353 1841 330 SINET Japan
9929 347 156 33 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
17557 330 23 165 Pakistan Telecom
703 329 375 256 UUNET
2764 295 274 241 connect.com.au pty ltd
7474 263 268 207 Optus Communications Pty Ltd
9942 230 71 127 COMindico Australia
9800 225 367 62 CHINA UNICOM
9498 218 48 47 BHARTI BT INTERNET LTD.
4780 210 193 26 Digital United Inc.
4837 181 2003 108 chinanet IDC center beijing n
10036 180 16 168 C&M Communication Co. Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1440 6891 1000 AT&T
701 1311 8513 938 UUNET Technologies, Inc.
6347 939 395 100 SAVVIS Communications Corpora
1239 931 3013 632 Sprint
3356 893 10900 678 Level 3 Communications, LLC
209 737 3458 502 Qwest
4323 736 568 206 Time Warner Communications, I
6197 709 525 274 BellSouth Network Solutions,
18566 707 192 8 Covad Communications
6198 561 375 214 BellSouth Network Solutions,
721 554 4445 407 DLA Systems Automation Center
20115 552 365 286 Charter Communications
852 515 1142 405 Telus Advanced Communications
7843 505 648 119 Adelphia Corp.
7132 448 7849 334 Southwestern Bell Internet Se
2386 427 582 231 AT&T Data Communications Serv
705 404 147 278 UUNET Technologies, Inc.
4355 393 323 103 EarthLink, Inc.
22909 390 843 25 Comcast Cable Corporation
376 384 359 112 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 649 2038 544 UUNET - Commercial IP service
3320 297 2477 237 Deutsche Telekom AG
8220 273 429 261 COLT Internet - International
3301 272 1096 262 TeliaNet Sweden
1257 248 495 199 SWIPnet Swedish IP Network
680 244 2025 239 DFN-IP service G-WiN
13083 216 51 8 Mannesmann Datenverarbeitung
3246 205 464 202 Song Networks
5515 198 779 143 Sonera Solution Autonomous Sy
719 180 288 102 LANLINK autonomous system
3215 176 831 68 France Telecom Transpac
25186 175 172 116 France Telecom Transpac's Tra
8708 174 111 163 Romania Data Systems S.A.
786 172 1778 172 The JANET IP Service
6746 154 29 127 Dynamic Network Technologies,
5400 143 207 121 BT Ignite European Backbone
3269 135 1101 65 TELECOM ITALIA
3303 132 611 132 Swisscom Ltd
12302 123 18 29 MobiFon S.A.
1273 115 166 91 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 358 80 55 Servicios Alestra S.A de C.V
6140 345 124 66 ImpSat
8151 269 373 130 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 160 82 21 Telefonica Del Peru
7303 143 53 32 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 131 219 90 AVANTEL, S.A.
11992 89 9 28 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 79 5 16 Chilesat Servicios Empresari
15311 75 19 37 Telefonica Empresas
14535 74 6 5 Techtel S.A.
5639 72 8 8 Telecommunications Services o
4270 71 18 9 Red de Interconexion Universi
11311 69 7 19 Sinectis S.A.
14420 69 4 28 ANDINATEL S.A.
14259 67 4 5 GTD Internet S.A.
10292 65 6 28 TELECOMMUNICATIONS OF JAMAICA
7080 64 4 1 Electronica y Comunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 254 632 219 The Internet Solution
5536 108 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 90 276 80 The Internetworking Company o
11845 37 9 11 Data Pro Business Online
24835 30 18 6 RAYA Telecom - Egypt
5713 26 125 24 Telkom SA Ltd
9129 25 3 4 UUNET Kenya
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
12455 24 4 2 Jambonet Autonomous system
14988 24 16 1 Botswana Telecommunications C
8524 23 2 4 AUCEGYPT Autonomous System
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
8346 13 6 12 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
15804 12 2 1 AS of The Way Out Internet So
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6347 939 839 SAVVIS Communications Corpora
18566 707 699 Covad Communications
4134 735 592 Data Communications Bureau
4323 736 530 Time Warner Communications, I
6197 709 435 BellSouth Network Solutions,
4663 404 387 ELIMNET, INC
7843 505 386 Adelphia Corp.
701 1311 373 UUNET Technologies, Inc.
22909 390 365 Comcast Cable Corporation
5668 380 363 Century Telephone
6198 561 347 BellSouth Network Solutions,
27364 363 344 Armstrong Cable Services
22773 377 328 Cox Communications, Inc. Atla
9929 347 314 China Netcom Corp.
4755 365 309 Videsh Sanchar Nigam Ltd. Aut
17676 341 308 XTAGE CORPORATION
9583 436 306 Satyam Infoway Ltd.,
11172 358 303 Servicios Alestra S.A de C.V
1239 931 299 Sprint
4355 393 290 EarthLink, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64512 PRIVATE 61.17.25.0/24 10199 DishnetDSL Limited
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm
65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone
65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone
65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati
65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V.
65502 PRIVATE 203.97.150.0/24 7714 TelstraClear
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 568 DISO-UNRRA
164.234.0.0/18 721 DLA Systems Automation Center
164.234.0.0/16 721 DLA Systems Automation Center
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 DISO-UNRRA
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:3 /10:6 /11:15 /12:59
/13:123 /14:295 /15:513 /16:7756 /17:2021 /18:3603
/19:9393 /20:9910 /21:7256 /22:10305 /23:11639 /24:76945
/25:314 /26:396 /27:136 /28:31 /29:8 /30:55
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6347 714 939 SAVVIS Communications Corpora
18566 690 707 Covad Communications
7018 556 1440 AT&T
6197 538 709 BellSouth Network Solutions,
3356 509 893 Level 3 Communications, LLC
702 395 649 UUNET - Commercial IP service
6198 394 561 BellSouth Network Solutions,
701 369 1311 UUNET Technologies, Inc.
1239 366 931 Sprint
4663 366 404 ELIMNET, INC
27364 351 363 Armstrong Cable Services
5668 332 380 Century Telephone
4766 311 490 Korea Internet Exchange for "
20115 294 552 Charter Communications
9583 282 436 Satyam Infoway Ltd.,
9929 277 347 China Netcom Corp.
14824 251 276 NewSouth Communications Corp.
690 247 283 Merit Network
3320 246 297 Deutsche Telekom AG
25844 244 244 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:816 13:1 15:5 16:2 17:3
20:8 24:734 32:101 38:68 40:54 44:3
55:1 56:3 57:15 61:382 62:482 63:1828
64:1952 65:1993 66:2608 67:317 68:525 69:526
70:64 80:492 81:294 82:173 83:61 128:143
129:185 130:81 131:131 132:18 133:1 134:181
135:17 136:179 137:92 138:156 139:43 140:165
141:124 142:117 143:63 144:88 145:42 146:301
147:76 148:408 149:118 150:93 151:71 152:165
153:62 154:1 155:118 156:61 157:59 158:144
159:146 160:54 161:55 162:379 163:75 164:166
165:161 166:99 167:220 168:225 169:105 170:286
171:8 192:5721 193:2731 194:2026 195:1367 196:555
198:3929 199:3275 200:3474 201:7 202:4589 203:5606
204:3051 205:2279 206:2275 207:2451 208:2243 209:2946
210:1473 211:603 212:971 213:1171 214:223 215:29
216:3457 217:925 218:168 219:110 220:229 221:27
222:38
End of report
Routing Table Report 04:00 +10GMT Mon 31 May, 2004
Analysis Summary
----------------
BGP routing table entries examined: 140715
Prefixes after maximum aggregation: 85242
Unique aggregates announced to Internet: 67493
Total ASes present in the Internet Routing Table: 17343
Origin-only ASes present in the Internet Routing Table: 15032
Origin ASes announcing only one prefix: 6975
Transit ASes present in the Internet Routing Table: 2311
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 13
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1290979324
Equivalent to 76 /8s, 242 /16s and 199 /24s
Percentage of available address space announced: 34.8
Percentage of allocated address space announced: 57.2
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 63715
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26885
Total APNIC prefixes after maximum aggregation: 13859
Prefixes being announced from the APNIC address blocks: 25185
Unique aggregates announced from the APNIC address blocks: 13847
APNIC Region origin ASes present in the Internet Routing Table: 2059
APNIC Region origin ASes announcing only one prefix: 611
APNIC Region transit ASes present in the Internet Routing Table: 336
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 148456704
Equivalent to 8 /8s, 217 /16s and 69 /24s
Percentage of available APNIC address space announced: 67.7
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 81097
Total ARIN prefixes after maximum aggregation: 50248
Prefixes being announced from the ARIN address blocks: 62670
Unique aggregates announced from the ARIN address blocks: 21722
ARIN Region origin ASes present in the Internet Routing Table: 9251
ARIN Region origin ASes announcing only one prefix: 3281
ARIN Region transit ASes present in the Internet Routing Table: 914
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 224528672
Equivalent to 13 /8s, 98 /16s and 9 /24s
Percentage of available ARIN address space announced: 74.3
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647, 29695 - 30719
31744 - 33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 25529
Total RIPE prefixes after maximum aggregation: 18213
Prefixes being announced from the RIPE address blocks: 22331
Unique aggregates announced from the RIPE address blocks: 14884
RIPE Region origin ASes present in the Internet Routing Table: 5492
RIPE Region origin ASes announcing only one prefix: 2955
RIPE Region transit ASes present in the Internet Routing Table: 946
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 162909696
Equivalent to 9 /8s, 181 /16s and 206 /24s
Percentage of available RIPE address space announced: 57.1
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
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: 6051
Total LACNIC prefixes after maximum aggregation: 2250
Prefixes being announced from the LACNIC address blocks: 5700
Unique aggregates announced from the LACNIC address blocks: 3487
LACNIC Region origin ASes present in the Internet Routing Table: 378
LACNIC Region origin ASes announcing only one prefix: 107
LACNIC Region transit ASes present in the Internet Routing Table: 73
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 14961408
Equivalent to 0 /8s, 228 /16s and 75 /24s
Percentage of available LACNIC address space announced: 44.6
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1146
Total AfriNIC prefixes after maximum aggregation: 672
Prefixes being announced from the AfriNIC address blocks: 780
Unique aggregates announced from the AfriNIC address blocks: 587
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1865216
Equivalent to 0 /8s, 28 /16s and 118 /24s
Percentage of available AfriNIC address space announced: 11.1
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 847 1091 611 Telstra Pty Ltd
4134 735 3532 143 Data Communications Bureau
4766 490 2896 264 Korea Internet Exchange for "
9583 427 33 137 Satyam Infoway Ltd.,
4663 399 54 17 ELIMNET, INC
4755 366 126 56 Videsh Sanchar Nigam Ltd. Aut
9443 355 69 79 Primus Telecommunications
2907 353 1841 330 SINET Japan
9929 347 156 33 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
17557 330 23 165 Pakistan Telecom
703 327 375 255 UUNET
2764 296 275 242 connect.com.au pty ltd
7474 263 268 207 Optus Communications Pty Ltd
9942 230 71 127 COMindico Australia
9800 225 367 62 CHINA UNICOM
9498 216 47 47 BHARTI BT INTERNET LTD.
4780 210 193 26 Digital United Inc.
17974 182 35 106 PT TELEKOMUNIKASI INDONESIA
4837 181 2003 108 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1442 6891 1002 AT&T
701 1311 8513 938 UUNET Technologies, Inc.
6347 940 395 100 SAVVIS Communications Corpora
1239 931 3013 632 Sprint
3356 893 10900 678 Level 3 Communications, LLC
209 737 3458 502 Qwest
4323 736 568 206 Time Warner Communications, I
6197 709 525 274 BellSouth Network Solutions,
18566 707 192 8 Covad Communications
6198 561 375 214 BellSouth Network Solutions,
721 556 4445 408 DLA Systems Automation Center
20115 552 365 286 Charter Communications
852 515 1142 405 Telus Advanced Communications
7843 505 648 119 Adelphia Corp.
7132 448 7849 334 Southwestern Bell Internet Se
2386 427 582 231 AT&T Data Communications Serv
705 404 147 278 UUNET Technologies, Inc.
4355 393 323 103 EarthLink, Inc.
22909 390 843 25 Comcast Cable Corporation
376 384 359 112 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 650 2038 545 UUNET - Commercial IP service
3320 297 2477 237 Deutsche Telekom AG
8220 273 429 261 COLT Internet - International
3301 272 1096 262 TeliaNet Sweden
1257 248 495 199 SWIPnet Swedish IP Network
680 244 2025 239 DFN-IP service G-WiN
13083 216 51 8 Mannesmann Datenverarbeitung
3246 205 464 202 Song Networks
5515 198 779 143 Sonera Solution Autonomous Sy
719 180 288 102 LANLINK autonomous system
3215 176 831 68 France Telecom Transpac
8708 175 111 163 Romania Data Systems S.A.
25186 175 172 116 France Telecom Transpac's Tra
786 172 1778 172 The JANET IP Service
6746 154 29 127 Dynamic Network Technologies,
5400 143 207 121 BT Ignite European Backbone
3269 137 1101 65 TELECOM ITALIA
3303 132 611 132 Swisscom Ltd
12302 123 18 29 MobiFon S.A.
1273 115 166 91 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 358 80 55 Servicios Alestra S.A de C.V
6140 344 124 66 ImpSat
8151 268 357 131 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 160 82 21 Telefonica Del Peru
7303 143 53 32 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 131 219 90 AVANTEL, S.A.
11992 89 9 28 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 79 5 16 Chilesat Servicios Empresari
14420 77 5 31 ANDINATEL S.A.
15311 75 19 37 Telefonica Empresas
5639 72 8 8 Telecommunications Services o
4270 71 18 9 Red de Interconexion Universi
14535 70 6 5 Techtel S.A.
11311 69 7 19 Sinectis S.A.
14259 67 4 5 GTD Internet S.A.
10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA
7080 64 4 1 Electronica y Comunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 254 632 219 The Internet Solution
5536 107 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 90 276 80 The Internetworking Company o
11845 37 9 11 Data Pro Business Online
24835 30 18 6 RAYA Telecom - Egypt
5713 26 125 24 Telkom SA Ltd
9129 25 3 4 UUNET Kenya
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
8524 24 2 4 AUCEGYPT Autonomous System
12455 24 4 2 Jambonet Autonomous system
14988 24 16 1 Botswana Telecommunications C
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
8346 13 6 12 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6347 940 840 SAVVIS Communications Corpora
18566 707 699 Covad Communications
4134 735 592 Data Communications Bureau
4323 736 530 Time Warner Communications, I
6197 709 435 BellSouth Network Solutions,
7843 505 386 Adelphia Corp.
4663 399 382 ELIMNET, INC
701 1311 373 UUNET Technologies, Inc.
22909 390 365 Comcast Cable Corporation
5668 380 363 Century Telephone
6198 561 347 BellSouth Network Solutions,
27364 363 344 Armstrong Cable Services
22773 377 328 Cox Communications, Inc. Atla
9929 347 314 China Netcom Corp.
4755 366 310 Videsh Sanchar Nigam Ltd. Aut
17676 341 308 XTAGE CORPORATION
11172 358 303 Servicios Alestra S.A de C.V
1239 931 299 Sprint
9583 427 290 Satyam Infoway Ltd.,
4355 393 290 EarthLink, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64512 PRIVATE 61.17.25.0/24 10199 DishnetDSL Limited
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm
65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone
65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone
65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati
65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V.
65502 PRIVATE 203.97.150.0/24 7714 TelstraClear
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 568 DISO-UNRRA
164.234.0.0/18 721 DLA Systems Automation Center
164.234.0.0/16 721 DLA Systems Automation Center
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 DISO-UNRRA
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:3 /10:6 /11:15 /12:59
/13:122 /14:295 /15:512 /16:7756 /17:2022 /18:3603
/19:9396 /20:9907 /21:7253 /22:10310 /23:11644 /24:76848
/25:311 /26:393 /27:136 /28:31 /29:8 /30:55
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6347 715 940 SAVVIS Communications Corpora
18566 690 707 Covad Communications
7018 556 1442 AT&T
6197 538 709 BellSouth Network Solutions,
3356 509 893 Level 3 Communications, LLC
702 396 650 UUNET - Commercial IP service
6198 394 561 BellSouth Network Solutions,
701 369 1311 UUNET Technologies, Inc.
1239 366 931 Sprint
4663 361 399 ELIMNET, INC
27364 351 363 Armstrong Cable Services
5668 332 380 Century Telephone
4766 311 490 Korea Internet Exchange for "
20115 294 552 Charter Communications
9929 277 347 China Netcom Corp.
9583 273 427 Satyam Infoway Ltd.,
14824 251 276 NewSouth Communications Corp.
690 247 283 Merit Network
3320 246 297 Deutsche Telekom AG
25844 244 244 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:817 13:1 15:5 16:2 17:3
20:8 24:734 32:101 38:67 40:54 44:3
55:1 56:3 57:15 61:381 62:483 63:1829
64:1954 65:1994 66:2595 67:318 68:525 69:526
70:64 80:499 81:293 82:173 83:61 128:143
129:185 130:82 131:131 132:18 133:1 134:180
135:17 136:181 137:92 138:153 139:43 140:165
141:124 142:117 143:61 144:87 145:42 146:299
147:76 148:405 149:118 150:93 151:71 152:165
153:62 154:1 155:118 156:61 157:59 158:144
159:146 160:54 161:54 162:379 163:74 164:166
165:161 166:99 167:220 168:225 169:105 170:286
171:8 192:5710 193:2726 194:2022 195:1350 196:556
198:3934 199:3275 200:3457 201:7 202:4582 203:5601
204:3052 205:2275 206:2278 207:2449 208:2244 209:2946
210:1461 211:601 212:962 213:1168 214:223 215:29
216:3467 217:921 218:164 219:110 220:229 221:28
222:38
End of report
Routing Table Report 04:00 +10GMT Sun 30 May, 2004
Analysis Summary
----------------
BGP routing table entries examined: 140715
Prefixes after maximum aggregation: 85215
Unique aggregates announced to Internet: 67557
Total ASes present in the Internet Routing Table: 17330
Origin-only ASes present in the Internet Routing Table: 15020
Origin ASes announcing only one prefix: 6962
Transit ASes present in the Internet Routing Table: 2310
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 14
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1290929660
Equivalent to 76 /8s, 242 /16s and 5 /24s
Percentage of available address space announced: 34.8
Percentage of allocated address space announced: 57.2
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 63705
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26893
Total APNIC prefixes after maximum aggregation: 13859
Prefixes being announced from the APNIC address blocks: 25193
Unique aggregates announced from the APNIC address blocks: 13922
APNIC Region origin ASes present in the Internet Routing Table: 2060
APNIC Region origin ASes announcing only one prefix: 611
APNIC Region transit ASes present in the Internet Routing Table: 335
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 148464640
Equivalent to 8 /8s, 217 /16s and 100 /24s
Percentage of available APNIC address space announced: 67.7
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 81109
Total ARIN prefixes after maximum aggregation: 50246
Prefixes being announced from the ARIN address blocks: 62662
Unique aggregates announced from the ARIN address blocks: 21717
ARIN Region origin ASes present in the Internet Routing Table: 9243
ARIN Region origin ASes announcing only one prefix: 3272
ARIN Region transit ASes present in the Internet Routing Table: 913
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 224522528
Equivalent to 13 /8s, 97 /16s and 241 /24s
Percentage of available ARIN address space announced: 74.3
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647, 29695 - 30719
31744 - 33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 25506
Total RIPE prefixes after maximum aggregation: 18205
Prefixes being announced from the RIPE address blocks: 22313
Unique aggregates announced from the RIPE address blocks: 14885
RIPE Region origin ASes present in the Internet Routing Table: 5488
RIPE Region origin ASes announcing only one prefix: 2952
RIPE Region transit ASes present in the Internet Routing Table: 943
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 162924288
Equivalent to 9 /8s, 182 /16s and 7 /24s
Percentage of available RIPE address space announced: 57.1
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
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: 6053
Total LACNIC prefixes after maximum aggregation: 2233
Prefixes being announced from the LACNIC address blocks: 5702
Unique aggregates announced from the LACNIC address blocks: 3497
LACNIC Region origin ASes present in the Internet Routing Table: 377
LACNIC Region origin ASes announcing only one prefix: 106
LACNIC Region transit ASes present in the Internet Routing Table: 74
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14953984
Equivalent to 0 /8s, 228 /16s and 46 /24s
Percentage of available LACNIC address space announced: 44.6
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1147
Total AfriNIC prefixes after maximum aggregation: 672
Prefixes being announced from the AfriNIC address blocks: 780
Unique aggregates announced from the AfriNIC address blocks: 587
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1865216
Equivalent to 0 /8s, 28 /16s and 118 /24s
Percentage of available AfriNIC address space announced: 11.1
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 849 1091 612 Telstra Pty Ltd
4134 735 3532 143 Data Communications Bureau
4766 490 2896 264 Korea Internet Exchange for "
9583 425 33 137 Satyam Infoway Ltd.,
4663 399 54 17 ELIMNET, INC
4755 365 126 56 Videsh Sanchar Nigam Ltd. Aut
9443 355 69 79 Primus Telecommunications
2907 353 1841 330 SINET Japan
9929 347 156 33 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
703 329 375 256 UUNET
17557 328 23 168 Pakistan Telecom
2764 296 275 242 connect.com.au pty ltd
7474 263 268 207 Optus Communications Pty Ltd
9942 230 71 127 COMindico Australia
9800 225 367 62 CHINA UNICOM
9498 216 47 47 BHARTI BT INTERNET LTD.
4780 210 193 26 Digital United Inc.
17974 182 35 106 PT TELEKOMUNIKASI INDONESIA
4837 181 2003 108 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1443 6891 1003 AT&T
701 1313 8513 940 UUNET Technologies, Inc.
6347 940 395 100 SAVVIS Communications Corpora
1239 931 3013 632 Sprint
3356 894 10900 678 Level 3 Communications, LLC
209 737 3458 502 Qwest
4323 735 568 205 Time Warner Communications, I
6197 709 525 274 BellSouth Network Solutions,
18566 707 192 8 Covad Communications
6198 561 375 214 BellSouth Network Solutions,
721 555 4445 408 DLA Systems Automation Center
20115 553 366 287 Charter Communications
852 516 1142 406 Telus Advanced Communications
7843 505 648 119 Adelphia Corp.
7132 448 7849 334 Southwestern Bell Internet Se
2386 427 582 231 AT&T Data Communications Serv
705 403 147 277 UUNET Technologies, Inc.
4355 393 323 103 EarthLink, Inc.
22909 390 843 25 Comcast Cable Corporation
376 384 359 112 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 650 2038 545 UUNET - Commercial IP service
3320 297 2477 237 Deutsche Telekom AG
8220 273 429 261 COLT Internet - International
3301 272 1096 262 TeliaNet Sweden
1257 248 495 199 SWIPnet Swedish IP Network
680 244 2025 239 DFN-IP service G-WiN
13083 216 51 8 Mannesmann Datenverarbeitung
3246 205 464 202 Song Networks
5515 198 779 143 Sonera Solution Autonomous Sy
719 180 288 102 LANLINK autonomous system
3215 176 831 68 France Telecom Transpac
25186 175 172 116 France Telecom Transpac's Tra
8708 174 111 163 Romania Data Systems S.A.
786 173 1794 173 The JANET IP Service
6746 154 29 127 Dynamic Network Technologies,
5400 143 207 121 BT Ignite European Backbone
3269 137 1101 65 TELECOM ITALIA
3303 132 611 132 Swisscom Ltd
12302 123 18 29 MobiFon S.A.
1273 115 166 91 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 360 96 56 Servicios Alestra S.A de C.V
6140 344 124 66 ImpSat
8151 268 357 131 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 160 82 21 Telefonica Del Peru
7303 143 53 32 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 129 219 88 AVANTEL, S.A.
11992 89 9 28 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 79 5 16 Chilesat Servicios Empresari
14420 77 5 31 ANDINATEL S.A.
15311 75 19 37 Telefonica Empresas
5639 72 8 8 Telecommunications Services o
4270 70 18 9 Red de Interconexion Universi
14535 70 6 5 Techtel S.A.
11311 69 7 19 Sinectis S.A.
14259 67 4 5 GTD Internet S.A.
10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA
7080 64 4 1 Electronica y Comunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 254 632 219 The Internet Solution
5536 107 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 90 276 80 The Internetworking Company o
11845 37 9 11 Data Pro Business Online
24835 30 18 6 RAYA Telecom - Egypt
5713 26 125 24 Telkom SA Ltd
9129 25 3 4 UUNET Kenya
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
8524 24 2 4 AUCEGYPT Autonomous System
12455 24 4 2 Jambonet Autonomous system
14988 24 16 1 Botswana Telecommunications C
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
8346 13 6 12 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6347 940 840 SAVVIS Communications Corpora
18566 707 699 Covad Communications
4134 735 592 Data Communications Bureau
4323 735 530 Time Warner Communications, I
6197 709 435 BellSouth Network Solutions,
7843 505 386 Adelphia Corp.
4663 399 382 ELIMNET, INC
701 1313 373 UUNET Technologies, Inc.
22909 390 365 Comcast Cable Corporation
5668 380 363 Century Telephone
6198 561 347 BellSouth Network Solutions,
27364 363 344 Armstrong Cable Services
22773 377 328 Cox Communications, Inc. Atla
9929 347 314 China Netcom Corp.
4755 365 309 Videsh Sanchar Nigam Ltd. Aut
17676 341 308 XTAGE CORPORATION
11172 360 304 Servicios Alestra S.A de C.V
1239 931 299 Sprint
4355 393 290 EarthLink, Inc.
9583 425 288 Satyam Infoway Ltd.,
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64512 PRIVATE 61.17.25.0/24 10199 DishnetDSL Limited
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm
65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone
65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone
32546 UNALLOCATED 66.151.220.0/24 10910 InterNAP Network Ser
65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati
65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V.
65502 PRIVATE 203.97.150.0/24 7714 TelstraClear
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 568 DISO-UNRRA
164.234.0.0/18 721 DLA Systems Automation Center
164.234.0.0/16 721 DLA Systems Automation Center
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 DISO-UNRRA
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:3 /10:6 /11:15 /12:59
/13:122 /14:295 /15:512 /16:7756 /17:2014 /18:3603
/19:9395 /20:9907 /21:7249 /22:10303 /23:11635 /24:76877
/25:311 /26:394 /27:135 /28:31 /29:8 /30:55
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6347 715 940 SAVVIS Communications Corpora
18566 690 707 Covad Communications
7018 557 1443 AT&T
6197 538 709 BellSouth Network Solutions,
3356 510 894 Level 3 Communications, LLC
702 396 650 UUNET - Commercial IP service
6198 394 561 BellSouth Network Solutions,
701 370 1313 UUNET Technologies, Inc.
1239 366 931 Sprint
4663 361 399 ELIMNET, INC
27364 351 363 Armstrong Cable Services
5668 332 380 Century Telephone
4766 311 490 Korea Internet Exchange for "
20115 294 553 Charter Communications
9929 277 347 China Netcom Corp.
9583 270 425 Satyam Infoway Ltd.,
14824 251 276 NewSouth Communications Corp.
690 247 283 Merit Network
3320 246 297 Deutsche Telekom AG
25844 244 244 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:817 13:1 15:5 16:2 17:3
20:8 24:734 32:101 38:67 40:54 44:3
55:1 56:3 57:15 61:382 62:483 63:1829
64:1958 65:1993 66:2589 67:318 68:526 69:528
70:64 80:498 81:291 82:173 83:61 128:146
129:185 130:81 131:132 132:18 133:1 134:180
135:17 136:186 137:92 138:153 139:43 140:164
141:124 142:117 143:61 144:86 145:42 146:301
147:76 148:408 149:118 150:93 151:71 152:165
153:62 154:1 155:118 156:61 157:59 158:144
159:144 160:54 161:55 162:379 163:74 164:166
165:160 166:99 167:220 168:225 169:105 170:286
171:8 192:5715 193:2732 194:2024 195:1348 196:556
198:3931 199:3273 200:3462 201:7 202:4596 203:5597
204:3054 205:2287 206:2277 207:2447 208:2244 209:2945
210:1460 211:601 212:962 213:1167 214:223 215:29
216:3464 217:913 218:168 219:110 220:229 221:28
222:38
End of report
Routing Table Report 04:00 +10GMT Sat 29 May, 2004
Analysis Summary
----------------
BGP routing table entries examined: 140122
Prefixes after maximum aggregation: 85218
Unique aggregates announced to Internet: 67540
Total ASes present in the Internet Routing Table: 17342
Origin-only ASes present in the Internet Routing Table: 15026
Origin ASes announcing only one prefix: 6972
Transit ASes present in the Internet Routing Table: 2316
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 13
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1291183612
Equivalent to 76 /8s, 245 /16s and 229 /24s
Percentage of available address space announced: 34.8
Percentage of allocated address space announced: 57.2
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 62511
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26874
Total APNIC prefixes after maximum aggregation: 13846
Prefixes being announced from the APNIC address blocks: 25184
Unique aggregates announced from the APNIC address blocks: 13900
APNIC Region origin ASes present in the Internet Routing Table: 2058
APNIC Region origin ASes announcing only one prefix: 610
APNIC Region transit ASes present in the Internet Routing Table: 334
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 148464896
Equivalent to 8 /8s, 217 /16s and 101 /24s
Percentage of available APNIC address space announced: 67.7
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 80512
Total ARIN prefixes after maximum aggregation: 50242
Prefixes being announced from the ARIN address blocks: 62138
Unique aggregates announced from the ARIN address blocks: 21700
ARIN Region origin ASes present in the Internet Routing Table: 9246
ARIN Region origin ASes announcing only one prefix: 3277
ARIN Region transit ASes present in the Internet Routing Table: 920
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 224518176
Equivalent to 13 /8s, 97 /16s and 224 /24s
Percentage of available ARIN address space announced: 74.3
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647, 29695 - 30719
31744 - 32767
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 25534
Total RIPE prefixes after maximum aggregation: 18222
Prefixes being announced from the RIPE address blocks: 22337
Unique aggregates announced from the RIPE address blocks: 14891
RIPE Region origin ASes present in the Internet Routing Table: 5496
RIPE Region origin ASes announcing only one prefix: 2956
RIPE Region transit ASes present in the Internet Routing Table: 943
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 162926080
Equivalent to 9 /8s, 182 /16s and 14 /24s
Percentage of available RIPE address space announced: 57.1
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
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: 6047
Total LACNIC prefixes after maximum aggregation: 2236
Prefixes being announced from the LACNIC address blocks: 5712
Unique aggregates announced from the LACNIC address blocks: 3518
LACNIC Region origin ASes present in the Internet Routing Table: 379
LACNIC Region origin ASes announcing only one prefix: 108
LACNIC Region transit ASes present in the Internet Routing Table: 73
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14961152
Equivalent to 0 /8s, 228 /16s and 74 /24s
Percentage of available LACNIC address space announced: 44.6
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1148
Total AfriNIC prefixes after maximum aggregation: 672
Prefixes being announced from the AfriNIC address blocks: 780
Unique aggregates announced from the AfriNIC address blocks: 587
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1865216
Equivalent to 0 /8s, 28 /16s and 118 /24s
Percentage of available AfriNIC address space announced: 11.1
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 849 1091 612 Telstra Pty Ltd
4134 735 3532 143 Data Communications Bureau
4766 489 2896 264 Korea Internet Exchange for "
9583 403 31 131 Satyam Infoway Ltd.,
4663 402 54 17 ELIMNET, INC
4755 365 126 56 Videsh Sanchar Nigam Ltd. Aut
9443 355 69 79 Primus Telecommunications
2907 352 1841 329 SINET Japan
9929 347 156 33 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
17557 330 23 165 Pakistan Telecom
703 329 375 256 UUNET
2764 296 275 242 connect.com.au pty ltd
7474 263 268 207 Optus Communications Pty Ltd
9942 230 71 127 COMindico Australia
9800 225 367 62 CHINA UNICOM
9498 218 48 47 BHARTI BT INTERNET LTD.
4780 210 193 26 Digital United Inc.
4837 181 2003 108 chinanet IDC center beijing n
10036 180 16 168 C&M Communication Co. Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1444 6891 1005 AT&T
701 1310 8529 938 UUNET Technologies, Inc.
1239 933 3013 634 Sprint
3356 894 10900 678 Level 3 Communications, LLC
209 739 3458 502 Qwest
4323 730 578 201 Time Warner Communications, I
6197 709 525 274 BellSouth Network Solutions,
18566 706 192 8 Covad Communications
6198 561 375 214 BellSouth Network Solutions,
721 556 4445 408 DLA Systems Automation Center
20115 553 365 286 Charter Communications
852 516 1142 406 Telus Advanced Communications
7843 505 648 119 Adelphia Corp.
7132 449 7851 335 Southwestern Bell Internet Se
2386 427 582 231 AT&T Data Communications Serv
705 404 147 278 UUNET Technologies, Inc.
6347 404 391 90 SAVVIS Communications Corpora
4355 393 323 103 EarthLink, Inc.
22909 390 843 25 Comcast Cable Corporation
376 384 359 112 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 650 2038 545 UUNET - Commercial IP service
3320 297 2477 237 Deutsche Telekom AG
8220 273 429 261 COLT Internet - International
3301 272 1096 262 TeliaNet Sweden
1257 248 495 199 SWIPnet Swedish IP Network
680 244 2025 239 DFN-IP service G-WiN
13083 216 51 8 Mannesmann Datenverarbeitung
3246 205 464 202 Song Networks
5515 198 779 143 Sonera Solution Autonomous Sy
719 180 288 102 LANLINK autonomous system
3215 177 831 68 France Telecom Transpac
25186 175 172 116 France Telecom Transpac's Tra
8708 174 111 163 Romania Data Systems S.A.
786 172 1778 172 The JANET IP Service
6746 154 29 127 Dynamic Network Technologies,
5400 143 207 121 BT Ignite European Backbone
3269 137 1101 65 TELECOM ITALIA
3303 132 611 132 Swisscom Ltd
12302 123 18 29 MobiFon S.A.
1273 115 166 91 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 360 80 55 Servicios Alestra S.A de C.V
6140 345 124 66 ImpSat
8151 268 373 129 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 160 82 21 Telefonica Del Peru
7303 140 53 30 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 130 219 89 AVANTEL, S.A.
11992 89 9 28 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 79 5 16 Chilesat Servicios Empresari
14420 77 5 31 ANDINATEL S.A.
15311 75 19 37 Telefonica Empresas
5639 72 8 8 Telecommunications Services o
4270 71 18 9 Red de Interconexion Universi
14535 70 6 5 Techtel S.A.
11311 69 7 19 Sinectis S.A.
14259 67 4 5 GTD Internet S.A.
10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA
7080 64 4 1 Electronica y Comunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 254 632 219 The Internet Solution
5536 107 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 90 276 80 The Internetworking Company o
11845 37 9 11 Data Pro Business Online
24835 31 18 6 RAYA Telecom - Egypt
5713 26 125 24 Telkom SA Ltd
9129 25 3 4 UUNET Kenya
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
8524 24 2 4 AUCEGYPT Autonomous System
12455 24 4 2 Jambonet Autonomous system
14988 24 16 1 Botswana Telecommunications C
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
8346 13 6 12 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 706 698 Covad Communications
4134 735 592 Data Communications Bureau
4323 730 529 Time Warner Communications, I
6197 709 435 BellSouth Network Solutions,
7843 505 386 Adelphia Corp.
4663 402 385 ELIMNET, INC
701 1310 372 UUNET Technologies, Inc.
22909 390 365 Comcast Cable Corporation
5668 379 363 Century Telephone
6198 561 347 BellSouth Network Solutions,
27364 363 344 Armstrong Cable Services
22773 377 328 Cox Communications, Inc. Atla
6347 404 314 SAVVIS Communications Corpora
9929 347 314 China Netcom Corp.
4755 365 309 Videsh Sanchar Nigam Ltd. Aut
17676 341 308 XTAGE CORPORATION
11172 360 305 Servicios Alestra S.A de C.V
1239 933 299 Sprint
4355 393 290 EarthLink, Inc.
6140 345 279 ImpSat
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64512 PRIVATE 61.17.25.0/24 10199 DishnetDSL Limited
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm
65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone
65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone
65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati
65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V.
65502 PRIVATE 203.97.150.0/24 7714 TelstraClear
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 568 DISO-UNRRA
164.234.0.0/18 721 DLA Systems Automation Center
164.234.0.0/16 721 DLA Systems Automation Center
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 DISO-UNRRA
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:3 /10:6 /11:15 /12:59
/13:122 /14:295 /15:512 /16:7754 /17:2020 /18:3602
/19:9395 /20:9910 /21:7238 /22:10265 /23:11552 /24:76408
/25:314 /26:395 /27:133 /28:31 /29:8 /30:55
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 689 706 Covad Communications
7018 556 1444 AT&T
6197 538 709 BellSouth Network Solutions,
3356 509 894 Level 3 Communications, LLC
702 395 650 UUNET - Commercial IP service
6198 394 561 BellSouth Network Solutions,
701 368 1310 UUNET Technologies, Inc.
1239 365 933 Sprint
4663 364 402 ELIMNET, INC
27364 351 363 Armstrong Cable Services
5668 332 379 Century Telephone
4766 310 489 Korea Internet Exchange for "
20115 294 553 Charter Communications
9929 277 347 China Netcom Corp.
14824 251 276 NewSouth Communications Corp.
9583 249 403 Satyam Infoway Ltd.,
690 247 283 Merit Network
3320 246 297 Deutsche Telekom AG
25844 244 244 Skadden, Arps, Slate, Meagher
6517 236 262 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:818 13:1 15:5 16:2 17:3
20:8 24:731 32:101 38:69 40:54 44:3
55:1 56:3 57:15 61:380 62:484 63:1823
64:1839 65:1996 66:2524 67:316 68:519 69:526
70:64 80:499 81:292 82:172 83:62 128:146
129:185 130:82 131:131 132:18 133:1 134:177
135:17 136:185 137:92 138:152 139:43 140:156
141:124 142:117 143:63 144:86 145:42 146:301
147:76 148:403 149:118 150:93 151:71 152:165
153:62 154:1 155:118 156:61 157:59 158:125
159:146 160:54 161:55 162:379 163:75 164:165
165:161 166:100 167:220 168:225 169:106 170:286
171:8 192:5717 193:2733 194:2025 195:1350 196:556
198:3939 199:3270 200:3474 201:7 202:4595 203:5607
204:3044 205:2278 206:2263 207:2452 208:2245 209:2796
210:1442 211:601 212:961 213:1167 214:222 215:28
216:3383 217:917 218:168 219:110 220:229 221:28
222:38
End of report
Routing Table Report 04:00 +10GMT Fri 28 May, 2004
Analysis Summary
----------------
BGP routing table entries examined: 138022
Prefixes after maximum aggregation: 84007
Unique aggregates announced to Internet: 67496
Total ASes present in the Internet Routing Table: 17294
Origin-only ASes present in the Internet Routing Table: 14998
Origin ASes announcing only one prefix: 6971
Transit ASes present in the Internet Routing Table: 2296
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 12
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1291084540
Equivalent to 76 /8s, 244 /16s and 98 /24s
Percentage of available address space announced: 34.8
Percentage of allocated address space announced: 57.2
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 61940
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26450
Total APNIC prefixes after maximum aggregation: 13844
Prefixes being announced from the APNIC address blocks: 24755
Unique aggregates announced from the APNIC address blocks: 13895
APNIC Region origin ASes present in the Internet Routing Table: 2060
APNIC Region origin ASes announcing only one prefix: 610
APNIC Region transit ASes present in the Internet Routing Table: 334
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 148384512
Equivalent to 8 /8s, 216 /16s and 43 /24s
Percentage of available APNIC address space announced: 67.7
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 78857
Total ARIN prefixes after maximum aggregation: 49071
Prefixes being announced from the ARIN address blocks: 61090
Unique aggregates announced from the ARIN address blocks: 21669
ARIN Region origin ASes present in the Internet Routing Table: 9208
ARIN Region origin ASes announcing only one prefix: 3284
ARIN Region transit ASes present in the Internet Routing Table: 903
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 224509728
Equivalent to 13 /8s, 97 /16s and 191 /24s
Percentage of available ARIN address space announced: 74.3
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647, 29695 - 30719
31744 - 32767
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 25494
Total RIPE prefixes after maximum aggregation: 18181
Prefixes being announced from the RIPE address blocks: 22300
Unique aggregates announced from the RIPE address blocks: 14862
RIPE Region origin ASes present in the Internet Routing Table: 5484
RIPE Region origin ASes announcing only one prefix: 2949
RIPE Region transit ASes present in the Internet Routing Table: 937
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 162884608
Equivalent to 9 /8s, 181 /16s and 108 /24s
Percentage of available RIPE address space announced: 57.1
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
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: 6066
Total LACNIC prefixes after maximum aggregation: 2239
Prefixes being announced from the LACNIC address blocks: 5711
Unique aggregates announced from the LACNIC address blocks: 3499
LACNIC Region origin ASes present in the Internet Routing Table: 379
LACNIC Region origin ASes announcing only one prefix: 107
LACNIC Region transit ASes present in the Internet Routing Table: 74
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14905344
Equivalent to 0 /8s, 227 /16s and 112 /24s
Percentage of available LACNIC address space announced: 44.4
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1148
Total AfriNIC prefixes after maximum aggregation: 672
Prefixes being announced from the AfriNIC address blocks: 779
Unique aggregates announced from the AfriNIC address blocks: 586
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1864960
Equivalent to 0 /8s, 28 /16s and 117 /24s
Percentage of available AfriNIC address space announced: 11.1
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 849 1091 612 Telstra Pty Ltd
4134 735 3516 142 Data Communications Bureau
4766 487 2892 262 Korea Internet Exchange for "
9583 394 31 130 Satyam Infoway Ltd.,
4755 358 125 51 Videsh Sanchar Nigam Ltd. Aut
9443 354 69 78 Primus Telecommunications
2907 353 1841 330 SINET Japan
9929 347 156 33 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
17557 330 23 165 Pakistan Telecom
703 328 375 255 UUNET
2764 296 275 242 connect.com.au pty ltd
7474 265 268 208 Optus Communications Pty Ltd
9942 230 71 127 COMindico Australia
9800 225 367 62 CHINA UNICOM
9498 219 48 47 BHARTI BT INTERNET LTD.
4780 210 193 26 Digital United Inc.
17974 182 35 106 PT TELEKOMUNIKASI INDONESIA
4837 181 2003 108 chinanet IDC center beijing n
10036 180 16 168 C&M Communication Co. Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1446 6892 1006 AT&T
701 1308 8544 937 UUNET Technologies, Inc.
1239 942 3033 644 Sprint
3356 894 10900 678 Level 3 Communications, LLC
209 741 3458 503 Qwest
4323 730 578 201 Time Warner Communications, I
6197 707 521 272 BellSouth Network Solutions,
18566 705 192 8 Covad Communications
6198 557 368 211 BellSouth Network Solutions,
20115 553 365 286 Charter Communications
852 516 1142 406 Telus Advanced Communications
7843 499 647 117 Adelphia Corp.
7132 447 7851 333 Southwestern Bell Internet Se
2386 428 584 232 AT&T Data Communications Serv
705 403 147 277 UUNET Technologies, Inc.
6347 401 391 90 SAVVIS Communications Corpora
4355 391 323 101 EarthLink, Inc.
22909 390 843 25 Comcast Cable Corporation
376 384 359 112 Reseau Interordinateurs Scien
5668 379 71 16 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 650 2038 545 UUNET - Commercial IP service
3320 297 2477 237 Deutsche Telekom AG
8220 274 429 262 COLT Internet - International
3301 273 1096 263 TeliaNet Sweden
680 244 2025 239 DFN-IP service G-WiN
1257 244 495 199 SWIPnet Swedish IP Network
13083 216 51 8 Mannesmann Datenverarbeitung
3246 199 463 196 Song Networks
5515 198 779 143 Sonera Solution Autonomous Sy
719 183 288 102 LANLINK autonomous system
3215 177 831 68 France Telecom Transpac
8708 174 111 163 Romania Data Systems S.A.
25186 174 172 115 France Telecom Transpac's Tra
786 173 1794 173 The JANET IP Service
6746 154 29 127 Dynamic Network Technologies,
5400 144 208 122 BT Ignite European Backbone
3269 137 1101 65 TELECOM ITALIA
3303 132 611 132 Swisscom Ltd
12302 123 18 29 MobiFon S.A.
8866 115 13 6 Bulgarian Telecommunication C
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 359 80 55 Servicios Alestra S.A de C.V
6140 344 124 66 ImpSat
8151 268 373 129 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 160 82 21 Telefonica Del Peru
7303 143 53 32 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 130 219 89 AVANTEL, S.A.
11992 89 9 28 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 79 5 16 Chilesat Servicios Empresari
14420 77 5 31 ANDINATEL S.A.
15311 75 19 37 Telefonica Empresas
5639 72 8 8 Telecommunications Services o
4270 71 18 9 Red de Interconexion Universi
14535 70 6 5 Techtel S.A.
11311 69 7 19 Sinectis S.A.
14259 67 4 5 GTD Internet S.A.
10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA
7080 64 4 1 Electronica y Comunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 254 632 219 The Internet Solution
5536 107 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 90 276 80 The Internetworking Company o
11845 37 9 11 Data Pro Business Online
24835 31 18 6 RAYA Telecom - Egypt
5713 26 125 24 Telkom SA Ltd
9129 25 3 4 UUNET Kenya
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
8524 24 2 4 AUCEGYPT Autonomous System
12455 24 4 2 Jambonet Autonomous system
14988 24 16 1 Botswana Telecommunications C
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
8346 13 6 12 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 705 697 Covad Communications
4134 735 593 Data Communications Bureau
4323 730 529 Time Warner Communications, I
6197 707 435 BellSouth Network Solutions,
7843 499 382 Adelphia Corp.
701 1308 371 UUNET Technologies, Inc.
22909 390 365 Comcast Cable Corporation
5668 379 363 Century Telephone
6198 557 346 BellSouth Network Solutions,
27364 363 344 Armstrong Cable Services
22773 374 328 Cox Communications, Inc. Atla
9929 347 314 China Netcom Corp.
6347 401 311 SAVVIS Communications Corpora
17676 341 308 XTAGE CORPORATION
4755 358 307 Videsh Sanchar Nigam Ltd. Aut
11172 359 304 Servicios Alestra S.A de C.V
1239 942 298 Sprint
4355 391 290 EarthLink, Inc.
6140 344 278 ImpSat
9443 354 276 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64512 PRIVATE 61.17.25.0/24 10199 DishnetDSL Limited
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm
65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone
65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone
65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V.
65502 PRIVATE 203.97.150.0/24 7714 TelstraClear
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 568 DISO-UNRRA
164.234.0.0/18 721 DLA Systems Automation Center
164.234.0.0/16 721 DLA Systems Automation Center
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 DISO-UNRRA
223.255.0.0/16 1239 Sprint
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:3 /10:6 /11:15 /12:59
/13:122 /14:294 /15:512 /16:7718 /17:2016 /18:3597
/19:9381 /20:9852 /21:7202 /22:10218 /23:11510 /24:74782
/25:217 /26:257 /27:137 /28:31 /29:8 /30:55
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 688 705 Covad Communications
7018 556 1446 AT&T
6197 538 707 BellSouth Network Solutions,
3356 509 894 Level 3 Communications, LLC
702 395 650 UUNET - Commercial IP service
6198 394 557 BellSouth Network Solutions,
701 366 1308 UUNET Technologies, Inc.
1239 363 942 Sprint
27364 351 363 Armstrong Cable Services
5668 332 379 Century Telephone
4766 310 487 Korea Internet Exchange for "
20115 294 553 Charter Communications
9929 277 347 China Netcom Corp.
14824 251 276 NewSouth Communications Corp.
690 247 283 Merit Network
3320 246 297 Deutsche Telekom AG
25844 244 244 Skadden, Arps, Slate, Meagher
9583 243 394 Satyam Infoway Ltd.,
13609 236 277 Choice One Communications Inc
6517 235 261 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:817 13:1 15:5 16:2 17:3
20:8 24:730 32:101 38:69 40:54 44:3
55:1 56:3 57:15 61:381 62:482 63:1825
64:1840 65:1994 66:2516 67:314 68:519 69:523
70:64 80:497 81:292 82:169 83:62 128:146
129:187 130:77 131:79 132:16 133:1 134:180
135:17 136:186 137:92 138:141 139:42 140:157
141:126 142:117 143:50 144:86 145:42 146:301
147:76 148:403 149:118 150:93 151:71 152:165
153:62 154:1 155:120 156:60 157:59 158:144
159:146 160:52 161:55 162:377 163:75 164:158
165:161 166:99 167:219 168:226 169:106 170:286
171:8 192:5501 193:2724 194:2019 195:1345 196:555
198:3644 199:3021 200:3474 201:7 202:4588 203:5568
204:3018 205:1979 206:2219 207:2435 208:2249 209:2769
210:1376 211:555 212:960 213:1168 214:27 215:26
216:3386 217:919 218:168 219:109 220:233 221:28
222:36
End of report
Routing Table Report 04:00 +10GMT Thu 27 May, 2004
Analysis Summary
----------------
BGP routing table entries examined: 138344
Prefixes after maximum aggregation: 84308
Unique aggregates announced to Internet: 67459
Total ASes present in the Internet Routing Table: 17307
Origin-only ASes present in the Internet Routing Table: 15001
Origin ASes announcing only one prefix: 6976
Transit ASes present in the Internet Routing Table: 2306
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 11
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1290973436
Equivalent to 76 /8s, 242 /16s and 176 /24s
Percentage of available address space announced: 34.8
Percentage of allocated address space announced: 57.2
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 62008
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26401
Total APNIC prefixes after maximum aggregation: 13825
Prefixes being announced from the APNIC address blocks: 24703
Unique aggregates announced from the APNIC address blocks: 13892
APNIC Region origin ASes present in the Internet Routing Table: 2058
APNIC Region origin ASes announcing only one prefix: 611
APNIC Region transit ASes present in the Internet Routing Table: 332
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 148386304
Equivalent to 8 /8s, 216 /16s and 50 /24s
Percentage of available APNIC address space announced: 67.7
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 79206
Total ARIN prefixes after maximum aggregation: 49378
Prefixes being announced from the ARIN address blocks: 61241
Unique aggregates announced from the ARIN address blocks: 21653
ARIN Region origin ASes present in the Internet Routing Table: 9217
ARIN Region origin ASes announcing only one prefix: 3283
ARIN Region transit ASes present in the Internet Routing Table: 912
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 224486432
Equivalent to 13 /8s, 97 /16s and 100 /24s
Percentage of available ARIN address space announced: 74.3
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647, 29695 - 30719
31744 - 32767
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 25519
Total RIPE prefixes after maximum aggregation: 18192
Prefixes being announced from the RIPE address blocks: 22330
Unique aggregates announced from the RIPE address blocks: 14862
RIPE Region origin ASes present in the Internet Routing Table: 5487
RIPE Region origin ASes announcing only one prefix: 2954
RIPE Region transit ASes present in the Internet Routing Table: 939
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 162879232
Equivalent to 9 /8s, 181 /16s and 87 /24s
Percentage of available RIPE address space announced: 57.1
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
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: 6062
Total LACNIC prefixes after maximum aggregation: 2241
Prefixes being announced from the LACNIC address blocks: 5715
Unique aggregates announced from the LACNIC address blocks: 3487
LACNIC Region origin ASes present in the Internet Routing Table: 379
LACNIC Region origin ASes announcing only one prefix: 107
LACNIC Region transit ASes present in the Internet Routing Table: 75
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14954752
Equivalent to 0 /8s, 228 /16s and 49 /24s
Percentage of available LACNIC address space announced: 44.6
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1150
Total AfriNIC prefixes after maximum aggregation: 672
Prefixes being announced from the AfriNIC address blocks: 779
Unique aggregates announced from the AfriNIC address blocks: 586
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1864960
Equivalent to 0 /8s, 28 /16s and 117 /24s
Percentage of available AfriNIC address space announced: 11.1
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 848 1091 611 Telstra Pty Ltd
4134 762 3516 142 Data Communications Bureau
4766 487 2892 262 Korea Internet Exchange for "
9583 387 30 132 Satyam Infoway Ltd.,
4755 372 126 55 Videsh Sanchar Nigam Ltd. Aut
9443 354 69 78 Primus Telecommunications
2907 353 1841 330 SINET Japan
9929 347 156 33 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
703 330 375 257 UUNET
17557 327 23 167 Pakistan Telecom
2764 296 275 242 connect.com.au pty ltd
7474 266 268 208 Optus Communications Pty Ltd
9942 230 71 127 COMindico Australia
9800 225 367 62 CHINA UNICOM
9498 218 47 46 BHARTI BT INTERNET LTD.
4780 212 193 26 Digital United Inc.
4837 181 2003 108 chinanet IDC center beijing n
10036 180 16 168 C&M Communication Co. Ltd.
9304 170 161 25 Hutchison Telecom (HK)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1445 6892 1008 AT&T
701 1312 8545 940 UUNET Technologies, Inc.
1239 940 3016 642 Sprint
3356 891 10900 675 Level 3 Communications, LLC
209 741 3458 503 Qwest
4323 730 578 201 Time Warner Communications, I
6197 707 521 272 BellSouth Network Solutions,
18566 706 192 8 Covad Communications
6198 558 368 211 BellSouth Network Solutions,
20115 552 365 286 Charter Communications
852 512 1142 403 Telus Advanced Communications
7843 498 647 116 Adelphia Corp.
7132 447 7851 333 Southwestern Bell Internet Se
2386 428 584 232 AT&T Data Communications Serv
705 404 147 278 UUNET Technologies, Inc.
6347 400 387 89 SAVVIS Communications Corpora
4355 391 323 101 EarthLink, Inc.
22909 389 843 25 Comcast Cable Corporation
376 383 359 112 Reseau Interordinateurs Scien
5668 380 71 17 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 651 2038 546 UUNET - Commercial IP service
3320 297 2477 237 Deutsche Telekom AG
8220 274 429 262 COLT Internet - International
3301 272 1096 262 TeliaNet Sweden
680 244 2025 239 DFN-IP service G-WiN
1257 243 495 198 SWIPnet Swedish IP Network
13083 216 51 8 Mannesmann Datenverarbeitung
3246 200 460 198 Song Networks
5515 198 779 143 Sonera Solution Autonomous Sy
719 180 288 102 LANLINK autonomous system
3215 176 831 68 France Telecom Transpac
8708 174 111 163 Romania Data Systems S.A.
25186 174 172 115 France Telecom Transpac's Tra
786 173 1794 173 The JANET IP Service
6746 154 29 127 Dynamic Network Technologies,
5400 145 209 123 BT Ignite European Backbone
3269 137 1101 65 TELECOM ITALIA
3303 132 611 132 Swisscom Ltd
12302 123 18 29 MobiFon S.A.
8866 115 13 6 Bulgarian Telecommunication C
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 359 80 55 Servicios Alestra S.A de C.V
6140 344 124 66 ImpSat
8151 267 373 128 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 160 82 21 Telefonica Del Peru
7303 143 53 32 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 130 219 89 AVANTEL, S.A.
11992 89 9 28 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 79 5 16 Chilesat Servicios Empresari
15311 75 19 37 Telefonica Empresas
5639 72 8 8 Telecommunications Services o
14420 72 5 31 ANDINATEL S.A.
4270 71 18 9 Red de Interconexion Universi
14535 70 6 5 Techtel S.A.
11311 69 7 19 Sinectis S.A.
14259 67 4 5 GTD Internet S.A.
10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA
7080 64 4 1 Electronica y Comunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 254 632 219 The Internet Solution
5536 107 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 90 276 80 The Internetworking Company o
11845 37 9 11 Data Pro Business Online
24835 31 18 6 RAYA Telecom - Egypt
5713 26 125 24 Telkom SA Ltd
9129 25 3 4 UUNET Kenya
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
8524 24 2 4 AUCEGYPT Autonomous System
12455 24 4 2 Jambonet Autonomous system
14988 24 16 1 Botswana Telecommunications C
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
8346 13 6 12 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 706 698 Covad Communications
4134 762 620 Data Communications Bureau
4323 730 529 Time Warner Communications, I
6197 707 435 BellSouth Network Solutions,
7843 498 382 Adelphia Corp.
701 1312 372 UUNET Technologies, Inc.
22909 389 364 Comcast Cable Corporation
5668 380 363 Century Telephone
6198 558 347 BellSouth Network Solutions,
27364 360 341 Armstrong Cable Services
22773 374 328 Cox Communications, Inc. Atla
4755 372 317 Videsh Sanchar Nigam Ltd. Aut
9929 347 314 China Netcom Corp.
6347 400 311 SAVVIS Communications Corpora
17676 341 308 XTAGE CORPORATION
11172 359 304 Servicios Alestra S.A de C.V
1239 940 298 Sprint
4355 391 290 EarthLink, Inc.
6140 344 278 ImpSat
9443 354 276 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm
65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone
65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone
65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V.
65502 PRIVATE 203.97.150.0/24 7714 TelstraClear
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 568 DISO-UNRRA
164.234.0.0/18 721 DLA Systems Automation Center
164.234.0.0/16 721 DLA Systems Automation Center
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 DISO-UNRRA
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:3 /10:6 /11:15 /12:59
/13:122 /14:294 /15:512 /16:7750 /17:2018 /18:3599
/19:9385 /20:9853 /21:7198 /22:10216 /23:11528 /24:75059
/25:217 /26:254 /27:132 /28:31 /29:8 /30:55
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 689 706 Covad Communications
7018 554 1445 AT&T
6197 538 707 BellSouth Network Solutions,
3356 509 891 Level 3 Communications, LLC
702 396 651 UUNET - Commercial IP service
6198 395 558 BellSouth Network Solutions,
701 367 1312 UUNET Technologies, Inc.
1239 362 940 Sprint
27364 348 360 Armstrong Cable Services
5668 332 380 Century Telephone
4766 310 487 Korea Internet Exchange for "
20115 294 552 Charter Communications
9929 277 347 China Netcom Corp.
14824 251 276 NewSouth Communications Corp.
690 247 283 Merit Network
3320 246 297 Deutsche Telekom AG
25844 244 244 Skadden, Arps, Slate, Meagher
9583 238 387 Satyam Infoway Ltd.,
13609 235 276 Choice One Communications Inc
6517 229 255 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:816 13:1 15:5 16:2 17:3
20:8 24:725 32:101 38:69 40:54 44:3
55:1 56:4 57:15 61:379 62:482 63:1823
64:1837 65:1995 66:2503 67:314 68:518 69:530
70:64 80:497 81:291 82:168 83:63 128:146
129:186 130:82 131:131 132:18 133:1 134:180
135:17 136:186 137:92 138:152 139:42 140:157
141:126 142:117 143:54 144:86 145:42 146:301
147:76 148:403 149:118 150:93 151:66 152:165
153:62 154:1 155:120 156:61 157:58 158:145
159:145 160:54 161:56 162:379 163:75 164:159
165:161 166:99 167:218 168:226 169:105 170:286
171:8 192:5536 193:2719 194:2018 195:1367 196:555
198:3683 199:3057 200:3476 201:7 202:4587 203:5550
204:3046 205:2005 206:2247 207:2448 208:2248 209:2784
210:1364 211:551 212:970 213:1169 214:56 215:28
216:3369 217:920 218:171 219:109 220:226 221:28
222:36
End of report
Routing Table Report 04:00 +10GMT Wed 26 May, 2004
Analysis Summary
----------------
BGP routing table entries examined: 138228
Prefixes after maximum aggregation: 84191
Unique aggregates announced to Internet: 67271
Total ASes present in the Internet Routing Table: 17290
Origin-only ASes present in the Internet Routing Table: 14995
Origin ASes announcing only one prefix: 6966
Transit ASes present in the Internet Routing Table: 2295
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 11
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1290026236
Equivalent to 76 /8s, 228 /16s and 60 /24s
Percentage of available address space announced: 34.8
Percentage of allocated address space announced: 57.1
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 61939
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26372
Total APNIC prefixes after maximum aggregation: 13830
Prefixes being announced from the APNIC address blocks: 24676
Unique aggregates announced from the APNIC address blocks: 13866
APNIC Region origin ASes present in the Internet Routing Table: 2058
APNIC Region origin ASes announcing only one prefix: 613
APNIC Region transit ASes present in the Internet Routing Table: 328
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 147557888
Equivalent to 8 /8s, 203 /16s and 142 /24s
Percentage of available APNIC address space announced: 67.3
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 79122
Total ARIN prefixes after maximum aggregation: 49277
Prefixes being announced from the ARIN address blocks: 61177
Unique aggregates announced from the ARIN address blocks: 21581
ARIN Region origin ASes present in the Internet Routing Table: 9205
ARIN Region origin ASes announcing only one prefix: 3282
ARIN Region transit ASes present in the Internet Routing Table: 908
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 224481056
Equivalent to 13 /8s, 97 /16s and 79 /24s
Percentage of available ARIN address space announced: 74.3
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647, 29695 - 30719
31744 - 32767
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 25523
Total RIPE prefixes after maximum aggregation: 18174
Prefixes being announced from the RIPE address blocks: 22340
Unique aggregates announced from the RIPE address blocks: 14827
RIPE Region origin ASes present in the Internet Routing Table: 5483
RIPE Region origin ASes announcing only one prefix: 2944
RIPE Region transit ASes present in the Internet Routing Table: 942
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 162850048
Equivalent to 9 /8s, 180 /16s and 229 /24s
Percentage of available RIPE address space announced: 57.1
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
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: 6054
Total LACNIC prefixes after maximum aggregation: 2237
Prefixes being announced from the LACNIC address blocks: 5698
Unique aggregates announced from the LACNIC address blocks: 3484
LACNIC Region origin ASes present in the Internet Routing Table: 377
LACNIC Region origin ASes announcing only one prefix: 105
LACNIC Region transit ASes present in the Internet Routing Table: 72
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14946304
Equivalent to 0 /8s, 228 /16s and 16 /24s
Percentage of available LACNIC address space announced: 44.5
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1151
Total AfriNIC prefixes after maximum aggregation: 673
Prefixes being announced from the AfriNIC address blocks: 772
Unique aggregates announced from the AfriNIC address blocks: 581
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1864960
Equivalent to 0 /8s, 28 /16s and 117 /24s
Percentage of available AfriNIC address space announced: 11.1
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 854 1091 616 Telstra Pty Ltd
4134 771 3515 141 Data Communications Bureau
4766 487 2892 262 Korea Internet Exchange for "
9583 381 30 132 Satyam Infoway Ltd.,
4755 369 124 54 Videsh Sanchar Nigam Ltd. Aut
9443 354 69 78 Primus Telecommunications
2907 353 1841 330 SINET Japan
9929 346 156 33 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
703 329 375 256 UUNET
17557 327 23 167 Pakistan Telecom
2764 295 274 241 connect.com.au pty ltd
7474 265 268 208 Optus Communications Pty Ltd
9942 230 71 127 COMindico Australia
9800 219 364 72 CHINA UNICOM
9498 218 48 47 BHARTI BT INTERNET LTD.
4780 212 193 26 Digital United Inc.
10036 180 16 168 C&M Communication Co. Ltd.
4837 177 1811 106 chinanet IDC center beijing n
9304 170 161 25 Hutchison Telecom (HK)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1448 6892 1009 AT&T
701 1312 8545 940 UUNET Technologies, Inc.
1239 938 3016 641 Sprint
3356 878 10867 663 Level 3 Communications, LLC
209 735 3458 500 Qwest
4323 728 577 200 Time Warner Communications, I
18566 705 192 8 Covad Communications
6197 704 520 270 BellSouth Network Solutions,
6198 558 368 211 BellSouth Network Solutions,
20115 556 366 291 Charter Communications
852 513 1142 404 Telus Advanced Communications
7843 497 647 116 Adelphia Corp.
7132 447 7851 333 Southwestern Bell Internet Se
2386 428 585 232 AT&T Data Communications Serv
705 402 147 276 UUNET Technologies, Inc.
6347 401 388 90 SAVVIS Communications Corpora
4355 391 323 101 EarthLink, Inc.
22909 389 843 25 Comcast Cable Corporation
376 384 359 112 Reseau Interordinateurs Scien
5668 380 71 17 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 650 2037 545 UUNET - Commercial IP service
3320 296 2477 236 Deutsche Telekom AG
8220 273 429 261 COLT Internet - International
3301 272 1096 262 TeliaNet Sweden
680 244 2025 239 DFN-IP service G-WiN
1257 240 493 196 SWIPnet Swedish IP Network
13083 216 51 8 Mannesmann Datenverarbeitung
3246 203 461 200 Song Networks
5515 198 779 143 Sonera Solution Autonomous Sy
719 180 288 102 LANLINK autonomous system
3215 176 831 68 France Telecom Transpac
8708 174 111 163 Romania Data Systems S.A.
25186 174 172 115 France Telecom Transpac's Tra
786 173 1794 173 The JANET IP Service
6746 152 29 126 Dynamic Network Technologies,
5400 145 209 123 BT Ignite European Backbone
3269 137 1101 65 TELECOM ITALIA
3303 132 611 132 Swisscom Ltd
12302 123 18 29 MobiFon S.A.
8866 115 13 6 Bulgarian Telecommunication C
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 359 80 55 Servicios Alestra S.A de C.V
6140 353 124 66 ImpSat
8151 267 373 128 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 160 82 21 Telefonica Del Peru
7303 143 53 32 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 130 219 89 AVANTEL, S.A.
11992 89 9 28 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 79 5 16 Chilesat Servicios Empresari
15311 75 19 37 Telefonica Empresas
5639 72 8 8 Telecommunications Services o
14420 72 5 31 ANDINATEL S.A.
4270 71 18 9 Red de Interconexion Universi
14535 70 6 5 Techtel S.A.
11311 69 7 19 Sinectis S.A.
14259 67 4 5 GTD Internet S.A.
10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA
7080 64 4 1 Electronica y Comunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 254 632 219 The Internet Solution
5536 107 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 90 276 80 The Internetworking Company o
11845 37 9 11 Data Pro Business Online
24835 31 18 6 RAYA Telecom - Egypt
9129 27 3 4 UUNET Kenya
5713 26 125 24 Telkom SA Ltd
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
8524 24 2 4 AUCEGYPT Autonomous System
12455 24 4 2 Jambonet Autonomous system
14988 24 16 1 Botswana Telecommunications C
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
8346 13 6 12 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 705 697 Covad Communications
4134 771 630 Data Communications Bureau
4323 728 528 Time Warner Communications, I
6197 704 434 BellSouth Network Solutions,
7843 497 381 Adelphia Corp.
701 1312 372 UUNET Technologies, Inc.
22909 389 364 Comcast Cable Corporation
5668 380 363 Century Telephone
6198 558 347 BellSouth Network Solutions,
27364 360 341 Armstrong Cable Services
22773 374 328 Cox Communications, Inc. Atla
4755 369 315 Videsh Sanchar Nigam Ltd. Aut
9929 346 313 China Netcom Corp.
6347 401 311 SAVVIS Communications Corpora
17676 341 308 XTAGE CORPORATION
11172 359 304 Servicios Alestra S.A de C.V
1239 938 297 Sprint
4355 391 290 EarthLink, Inc.
6140 353 287 ImpSat
9443 354 276 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm
65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone
65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone
65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V.
65502 PRIVATE 203.97.150.0/24 7714 TelstraClear
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 568 DISO-UNRRA
164.234.0.0/18 721 DLA Systems Automation Center
164.234.0.0/16 721 DLA Systems Automation Center
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 DISO-UNRRA
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:3 /10:6 /11:15 /12:59
/13:121 /14:294 /15:511 /16:7748 /17:2018 /18:3592
/19:9384 /20:9853 /21:7192 /22:10193 /23:11526 /24:74990
/25:217 /26:252 /27:130 /28:31 /29:8 /30:55
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 688 705 Covad Communications
7018 554 1448 AT&T
6197 535 704 BellSouth Network Solutions,
3356 502 878 Level 3 Communications, LLC
702 396 650 UUNET - Commercial IP service
6198 395 558 BellSouth Network Solutions,
701 367 1312 UUNET Technologies, Inc.
1239 361 938 Sprint
27364 348 360 Armstrong Cable Services
5668 332 380 Century Telephone
4766 310 487 Korea Internet Exchange for "
20115 297 556 Charter Communications
9929 276 346 China Netcom Corp.
14824 251 276 NewSouth Communications Corp.
690 247 283 Merit Network
3320 245 296 Deutsche Telekom AG
25844 244 244 Skadden, Arps, Slate, Meagher
13609 235 276 Choice One Communications Inc
9583 234 381 Satyam Infoway Ltd.,
6517 231 257 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:816 13:1 15:5 16:1 17:3
20:8 24:724 32:100 38:69 40:54 44:3
55:1 56:4 57:15 61:380 62:489 63:1824
64:1836 65:1990 66:2500 67:312 68:517 69:525
70:64 80:499 81:297 82:175 83:63 128:145
129:195 130:81 131:131 132:18 133:1 134:179
135:17 136:185 137:92 138:156 139:42 140:157
141:126 142:117 143:54 144:86 145:42 146:299
147:76 148:402 149:114 150:93 151:66 152:165
153:62 154:1 155:120 156:61 157:58 158:145
159:145 160:53 161:54 162:380 163:75 164:160
165:161 166:99 167:219 168:226 169:105 170:286
171:8 192:5533 193:2706 194:2023 195:1368 196:549
198:3675 199:3062 200:3459 201:7 202:4572 203:5555
204:3051 205:1991 206:2255 207:2452 208:2244 209:2787
210:1359 211:551 212:967 213:1162 214:56 215:28
216:3352 217:921 218:171 219:109 220:226 221:28
222:36
End of report
Routing Table Report 04:00 +10GMT Tue 25 May, 2004
Analysis Summary
----------------
BGP routing table entries examined: 138171
Prefixes after maximum aggregation: 84094
Unique aggregates announced to Internet: 67136
Total ASes present in the Internet Routing Table: 17275
Origin-only ASes present in the Internet Routing Table: 14981
Origin ASes announcing only one prefix: 6960
Transit ASes present in the Internet Routing Table: 2294
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 11
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1289892348
Equivalent to 76 /8s, 226 /16s and 49 /24s
Percentage of available address space announced: 34.8
Percentage of allocated address space announced: 57.1
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 61925
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26362
Total APNIC prefixes after maximum aggregation: 13774
Prefixes being announced from the APNIC address blocks: 24668
Unique aggregates announced from the APNIC address blocks: 13763
APNIC Region origin ASes present in the Internet Routing Table: 2057
APNIC Region origin ASes announcing only one prefix: 613
APNIC Region transit ASes present in the Internet Routing Table: 328
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 147362048
Equivalent to 8 /8s, 200 /16s and 145 /24s
Percentage of available APNIC address space announced: 67.2
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 79173
Total ARIN prefixes after maximum aggregation: 49294
Prefixes being announced from the ARIN address blocks: 61223
Unique aggregates announced from the ARIN address blocks: 21569
ARIN Region origin ASes present in the Internet Routing Table: 9202
ARIN Region origin ASes announcing only one prefix: 3283
ARIN Region transit ASes present in the Internet Routing Table: 913
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 224511264
Equivalent to 13 /8s, 97 /16s and 197 /24s
Percentage of available ARIN address space announced: 74.3
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647, 29695 - 30719
31744 - 32767
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 25430
Total RIPE prefixes after maximum aggregation: 18130
Prefixes being announced from the RIPE address blocks: 22258
Unique aggregates announced from the RIPE address blocks: 14804
RIPE Region origin ASes present in the Internet Routing Table: 5473
RIPE Region origin ASes announcing only one prefix: 2938
RIPE Region transit ASes present in the Internet Routing Table: 935
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 162592768
Equivalent to 9 /8s, 176 /16s and 248 /24s
Percentage of available RIPE address space announced: 57.0
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
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: 6051
Total LACNIC prefixes after maximum aggregation: 2221
Prefixes being announced from the LACNIC address blocks: 5687
Unique aggregates announced from the LACNIC address blocks: 3481
LACNIC Region origin ASes present in the Internet Routing Table: 376
LACNIC Region origin ASes announcing only one prefix: 105
LACNIC Region transit ASes present in the Internet Routing Table: 71
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14925056
Equivalent to 0 /8s, 227 /16s and 189 /24s
Percentage of available LACNIC address space announced: 44.5
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1149
Total AfriNIC prefixes after maximum aggregation: 675
Prefixes being announced from the AfriNIC address blocks: 770
Unique aggregates announced from the AfriNIC address blocks: 579
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1848320
Equivalent to 0 /8s, 28 /16s and 52 /24s
Percentage of available AfriNIC address space announced: 11.0
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 850 1091 613 Telstra Pty Ltd
4134 769 3512 139 Data Communications Bureau
4766 487 2892 262 Korea Internet Exchange for "
9583 399 33 100 Satyam Infoway Ltd.,
4755 380 126 54 Videsh Sanchar Nigam Ltd. Aut
9443 354 69 78 Primus Telecommunications
2907 353 1841 330 SINET Japan
9929 346 156 33 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
703 330 375 257 UUNET
17557 327 23 167 Pakistan Telecom
2764 295 274 241 connect.com.au pty ltd
7474 265 268 208 Optus Communications Pty Ltd
9942 230 71 127 COMindico Australia
9800 223 367 65 CHINA UNICOM
4780 212 193 26 Digital United Inc.
9498 194 47 46 BHARTI BT INTERNET LTD.
10036 179 16 167 C&M Communication Co. Ltd.
4837 177 1811 106 chinanet IDC center beijing n
9304 170 161 25 Hutchison Telecom (HK)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1449 6892 1009 AT&T
701 1311 8545 939 UUNET Technologies, Inc.
1239 937 3016 639 Sprint
3356 891 10900 675 Level 3 Communications, LLC
209 738 3458 500 Qwest
4323 726 560 198 Time Warner Communications, I
18566 704 192 8 Covad Communications
6197 703 520 269 BellSouth Network Solutions,
6198 558 368 211 BellSouth Network Solutions,
20115 552 362 292 Charter Communications
852 513 1142 404 Telus Advanced Communications
7843 493 645 113 Adelphia Corp.
7132 447 7851 333 Southwestern Bell Internet Se
2386 430 601 233 AT&T Data Communications Serv
705 402 147 276 UUNET Technologies, Inc.
6347 401 388 90 SAVVIS Communications Corpora
4355 391 323 101 EarthLink, Inc.
22909 389 843 25 Comcast Cable Corporation
376 384 359 112 Reseau Interordinateurs Scien
5668 380 71 17 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 650 2037 545 UUNET - Commercial IP service
3320 296 2477 236 Deutsche Telekom AG
8220 273 428 260 COLT Internet - International
3301 272 1096 262 TeliaNet Sweden
680 244 2025 239 DFN-IP service G-WiN
1257 240 493 196 SWIPnet Swedish IP Network
13083 216 51 8 Mannesmann Datenverarbeitung
3246 203 461 200 Song Networks
5515 198 779 143 Sonera Solution Autonomous Sy
3215 176 833 69 France Telecom Transpac
8708 174 111 163 Romania Data Systems S.A.
786 173 1794 173 The JANET IP Service
25186 166 171 107 France Telecom Transpac's Tra
6746 152 29 126 Dynamic Network Technologies,
5400 150 225 128 BT Ignite European Backbone
3269 137 1101 65 TELECOM ITALIA
3303 132 611 132 Swisscom Ltd
12302 123 18 29 MobiFon S.A.
8866 115 13 6 Bulgarian Telecommunication C
1273 113 166 89 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 387 124 66 ImpSat
11172 360 96 56 Servicios Alestra S.A de C.V
8151 267 373 128 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 160 82 21 Telefonica Del Peru
7303 143 53 32 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 130 219 89 AVANTEL, S.A.
11992 89 9 28 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 79 5 16 Chilesat Servicios Empresari
15311 75 19 37 Telefonica Empresas
5639 72 8 8 Telecommunications Services o
14420 72 5 31 ANDINATEL S.A.
4270 71 18 9 Red de Interconexion Universi
14535 70 6 5 Techtel S.A.
11311 69 7 19 Sinectis S.A.
14259 68 4 5 GTD Internet S.A.
10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA
7080 64 4 1 Electronica y Comunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 254 632 219 The Internet Solution
5536 107 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 89 272 79 The Internetworking Company o
11845 37 9 11 Data Pro Business Online
24835 31 18 6 RAYA Telecom - Egypt
9129 27 3 4 UUNET Kenya
5713 26 125 24 Telkom SA Ltd
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
12455 24 4 2 Jambonet Autonomous system
14988 24 16 1 Botswana Telecommunications C
8524 23 2 4 AUCEGYPT Autonomous System
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
8346 14 22 13 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 704 696 Covad Communications
4134 769 630 Data Communications Bureau
4323 726 528 Time Warner Communications, I
6197 703 434 BellSouth Network Solutions,
7843 493 380 Adelphia Corp.
701 1311 372 UUNET Technologies, Inc.
22909 389 364 Comcast Cable Corporation
5668 380 363 Century Telephone
6198 558 347 BellSouth Network Solutions,
27364 360 341 Armstrong Cable Services
22773 372 328 Cox Communications, Inc. Atla
4755 380 326 Videsh Sanchar Nigam Ltd. Aut
6140 387 321 ImpSat
9929 346 313 China Netcom Corp.
6347 401 311 SAVVIS Communications Corpora
17676 341 308 XTAGE CORPORATION
11172 360 304 Servicios Alestra S.A de C.V
9583 399 299 Satyam Infoway Ltd.,
1239 937 298 Sprint
4355 391 290 EarthLink, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm
65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone
65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone
65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V.
65502 PRIVATE 203.97.150.0/24 7714 TelstraClear
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 568 DISO-UNRRA
164.234.0.0/18 721 DLA Systems Automation Center
164.234.0.0/16 721 DLA Systems Automation Center
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 DISO-UNRRA
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:3 /10:6 /11:15 /12:59
/13:121 /14:293 /15:511 /16:7751 /17:2022 /18:3593
/19:9390 /20:9846 /21:7178 /22:10178 /23:11505 /24:75023
/25:197 /26:234 /27:123 /28:31 /29:8 /30:54
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 687 704 Covad Communications
7018 553 1449 AT&T
6197 534 703 BellSouth Network Solutions,
3356 506 891 Level 3 Communications, LLC
702 395 650 UUNET - Commercial IP service
6198 395 558 BellSouth Network Solutions,
701 365 1311 UUNET Technologies, Inc.
1239 361 937 Sprint
27364 348 360 Armstrong Cable Services
5668 332 380 Century Telephone
4766 310 487 Korea Internet Exchange for "
20115 295 552 Charter Communications
9929 276 346 China Netcom Corp.
9583 252 399 Satyam Infoway Ltd.,
14824 251 276 NewSouth Communications Corp.
690 247 283 Merit Network
3320 245 296 Deutsche Telekom AG
25844 244 244 Skadden, Arps, Slate, Meagher
13609 235 276 Choice One Communications Inc
6517 231 257 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:817 13:1 15:5 16:1 17:3
20:8 24:720 32:101 38:69 40:54 44:3
55:1 56:4 57:15 61:378 62:489 63:1827
64:1834 65:1990 66:2501 67:312 68:513 69:556
70:64 80:503 81:298 82:174 83:59 128:147
129:195 130:82 131:131 132:18 133:1 134:179
135:17 136:186 137:92 138:156 139:41 140:156
141:126 142:117 143:54 144:87 145:42 146:301
147:76 148:403 149:116 150:93 151:66 152:165
153:62 154:1 155:120 156:61 157:58 158:144
159:145 160:53 161:54 162:379 163:75 164:159
165:160 166:99 167:219 168:226 169:105 170:285
171:8 192:5534 193:2701 194:2018 195:1363 196:548
198:3682 199:3062 200:3460 201:7 202:4560 203:5544
204:3040 205:2005 206:2254 207:2444 208:2242 209:2791
210:1375 211:550 212:970 213:1157 214:56 215:28
216:3380 217:921 218:170 219:110 220:225 221:28
222:35
End of report
Routing Table Report 04:00 +10GMT Mon 24 May, 2004
Analysis Summary
----------------
BGP routing table entries examined: 138272
Prefixes after maximum aggregation: 83990
Unique aggregates announced to Internet: 66139
Total ASes present in the Internet Routing Table: 17272
Origin-only ASes present in the Internet Routing Table: 14974
Origin ASes announcing only one prefix: 6964
Transit ASes present in the Internet Routing Table: 2298
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 9
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1290734076
Equivalent to 76 /8s, 239 /16s and 9 /24s
Percentage of available address space announced: 34.8
Percentage of allocated address space announced: 57.1
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 61993
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26500
Total APNIC prefixes after maximum aggregation: 13697
Prefixes being announced from the APNIC address blocks: 24809
Unique aggregates announced from the APNIC address blocks: 13569
APNIC Region origin ASes present in the Internet Routing Table: 2059
APNIC Region origin ASes announcing only one prefix: 616
APNIC Region transit ASes present in the Internet Routing Table: 333
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 146986240
Equivalent to 8 /8s, 194 /16s and 213 /24s
Percentage of available APNIC address space announced: 67.1
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 79161
Total ARIN prefixes after maximum aggregation: 49285
Prefixes being announced from the ARIN address blocks: 61201
Unique aggregates announced from the ARIN address blocks: 21565
ARIN Region origin ASes present in the Internet Routing Table: 9198
ARIN Region origin ASes announcing only one prefix: 3278
ARIN Region transit ASes present in the Internet Routing Table: 912
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 224438304
Equivalent to 13 /8s, 96 /16s and 168 /24s
Percentage of available ARIN address space announced: 74.3
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647, 29695 - 30719
31744 - 32767
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 25410
Total RIPE prefixes after maximum aggregation: 18120
Prefixes being announced from the RIPE address blocks: 22233
Unique aggregates announced from the RIPE address blocks: 13996
RIPE Region origin ASes present in the Internet Routing Table: 5474
RIPE Region origin ASes announcing only one prefix: 2945
RIPE Region transit ASes present in the Internet Routing Table: 938
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 164052736
Equivalent to 9 /8s, 199 /16s and 63 /24s
Percentage of available RIPE address space announced: 57.5
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
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: 6043
Total LACNIC prefixes after maximum aggregation: 2212
Prefixes being announced from the LACNIC address blocks: 5686
Unique aggregates announced from the LACNIC address blocks: 3493
LACNIC Region origin ASes present in the Internet Routing Table: 375
LACNIC Region origin ASes announcing only one prefix: 104
LACNIC Region transit ASes present in the Internet Routing Table: 71
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14918144
Equivalent to 0 /8s, 227 /16s and 162 /24s
Percentage of available LACNIC address space announced: 44.5
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1152
Total AfriNIC prefixes after maximum aggregation: 676
Prefixes being announced from the AfriNIC address blocks: 770
Unique aggregates announced from the AfriNIC address blocks: 579
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1848320
Equivalent to 0 /8s, 28 /16s and 52 /24s
Percentage of available AfriNIC address space announced: 11.0
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 853 1091 615 Telstra Pty Ltd
4134 769 3514 140 Data Communications Bureau
4766 488 2896 263 Korea Internet Exchange for "
9583 476 42 25 Satyam Infoway Ltd.,
4755 362 125 53 Videsh Sanchar Nigam Ltd. Aut
9443 354 69 78 Primus Telecommunications
2907 353 1841 330 SINET Japan
9929 343 156 33 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
703 330 375 257 UUNET
17557 327 23 167 Pakistan Telecom
2764 296 275 242 connect.com.au pty ltd
7474 265 268 208 Optus Communications Pty Ltd
9942 230 71 127 COMindico Australia
9800 224 367 62 CHINA UNICOM
4780 212 193 26 Digital United Inc.
9498 194 47 46 BHARTI BT INTERNET LTD.
17974 179 51 97 PT TELEKOMUNIKASI INDONESIA
4837 176 1683 105 chinanet IDC center beijing n
10036 173 16 162 C&M Communication Co. Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1449 6892 1010 AT&T
701 1309 8529 938 UUNET Technologies, Inc.
1239 937 3016 639 Sprint
3356 891 10900 675 Level 3 Communications, LLC
209 734 3459 501 Qwest
4323 726 560 198 Time Warner Communications, I
18566 704 192 8 Covad Communications
6197 702 520 269 BellSouth Network Solutions,
6198 558 368 211 BellSouth Network Solutions,
20115 555 365 290 Charter Communications
852 513 1142 404 Telus Advanced Communications
7843 496 646 115 Adelphia Corp.
7132 447 7851 333 Southwestern Bell Internet Se
2386 429 601 232 AT&T Data Communications Serv
705 402 147 276 UUNET Technologies, Inc.
6347 401 388 90 SAVVIS Communications Corpora
4355 391 323 101 EarthLink, Inc.
22909 387 840 29 Comcast Cable Corporation
376 384 359 112 Reseau Interordinateurs Scien
5668 380 71 17 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 651 2037 546 UUNET - Commercial IP service
3320 296 2477 236 Deutsche Telekom AG
3301 273 1096 263 TeliaNet Sweden
8220 273 428 260 COLT Internet - International
680 244 2025 239 DFN-IP service G-WiN
1257 240 493 196 SWIPnet Swedish IP Network
13083 216 51 8 Mannesmann Datenverarbeitung
3246 203 461 200 Song Networks
5515 202 795 144 Sonera Solution Autonomous Sy
3215 176 833 69 France Telecom Transpac
8708 174 111 163 Romania Data Systems S.A.
25186 174 172 115 France Telecom Transpac's Tra
786 172 1778 172 The JANET IP Service
6746 152 29 126 Dynamic Network Technologies,
5400 150 225 128 BT Ignite European Backbone
3269 137 1101 65 TELECOM ITALIA
3303 132 611 132 Swisscom Ltd
12302 123 18 29 MobiFon S.A.
8866 115 13 6 Bulgarian Telecommunication C
1273 113 166 89 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 386 124 65 ImpSat
11172 360 96 56 Servicios Alestra S.A de C.V
8151 267 373 128 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 160 82 21 Telefonica Del Peru
7303 143 53 32 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 130 219 89 AVANTEL, S.A.
11992 89 9 28 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 79 5 16 Chilesat Servicios Empresari
15311 75 19 37 Telefonica Empresas
14420 73 5 32 ANDINATEL S.A.
5639 72 8 8 Telecommunications Services o
4270 71 18 9 Red de Interconexion Universi
14535 70 6 5 Techtel S.A.
11311 69 7 19 Sinectis S.A.
14259 68 4 5 GTD Internet S.A.
10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA
7080 64 4 1 Electronica y Comunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 254 632 219 The Internet Solution
5536 107 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 89 272 79 The Internetworking Company o
11845 37 9 11 Data Pro Business Online
24835 31 18 6 RAYA Telecom - Egypt
9129 27 3 4 UUNET Kenya
5713 26 125 24 Telkom SA Ltd
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
12455 24 4 2 Jambonet Autonomous system
14988 24 16 1 Botswana Telecommunications C
8524 23 2 4 AUCEGYPT Autonomous System
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
8346 14 22 13 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 704 696 Covad Communications
4134 769 629 Data Communications Bureau
4323 726 528 Time Warner Communications, I
9583 476 451 Satyam Infoway Ltd.,
6197 702 433 BellSouth Network Solutions,
7843 496 381 Adelphia Corp.
701 1309 371 UUNET Technologies, Inc.
5668 380 363 Century Telephone
22909 387 358 Comcast Cable Corporation
6198 558 347 BellSouth Network Solutions,
27364 359 340 Armstrong Cable Services
22773 372 328 Cox Communications, Inc. Atla
6140 386 321 ImpSat
6347 401 311 SAVVIS Communications Corpora
9929 343 310 China Netcom Corp.
4755 362 309 Videsh Sanchar Nigam Ltd. Aut
17676 341 308 XTAGE CORPORATION
11172 360 304 Servicios Alestra S.A de C.V
1239 937 298 Sprint
4355 391 290 EarthLink, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone
65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone
65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V.
65502 PRIVATE 203.97.150.0/24 7714 TelstraClear
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 568 DISO-UNRRA
164.234.0.0/18 721 DLA Systems Automation Center
164.234.0.0/16 721 DLA Systems Automation Center
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 DISO-UNRRA
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:3 /10:6 /11:15 /12:59
/13:120 /14:293 /15:511 /16:7750 /17:2021 /18:3596
/19:9383 /20:9873 /21:7179 /22:10185 /23:11527 /24:75073
/25:198 /26:232 /27:124 /28:31 /29:8 /30:54
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 687 704 Covad Communications
7018 552 1449 AT&T
6197 533 702 BellSouth Network Solutions,
3356 506 891 Level 3 Communications, LLC
702 396 651 UUNET - Commercial IP service
6198 395 558 BellSouth Network Solutions,
701 364 1309 UUNET Technologies, Inc.
1239 361 937 Sprint
27364 347 359 Armstrong Cable Services
5668 332 380 Century Telephone
9583 314 476 Satyam Infoway Ltd.,
4766 311 488 Korea Internet Exchange for "
20115 296 555 Charter Communications
9929 273 343 China Netcom Corp.
14824 250 275 NewSouth Communications Corp.
690 247 283 Merit Network
3320 245 296 Deutsche Telekom AG
25844 244 244 Skadden, Arps, Slate, Meagher
13609 235 276 Choice One Communications Inc
6517 231 257 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:818 13:1 15:5 16:1 17:3
20:8 24:722 32:97 38:69 40:54 44:3
55:1 56:4 57:15 61:376 62:490 63:1824
64:1834 65:1989 66:2504 67:312 68:513 69:555
70:64 80:504 81:298 82:174 83:56 128:148
129:195 130:82 131:131 132:18 133:1 134:179
135:17 136:186 137:106 138:157 139:41 140:156
141:126 142:117 143:53 144:91 145:42 146:299
147:76 148:403 149:117 150:93 151:66 152:165
153:62 154:1 155:120 156:61 157:58 158:145
159:147 160:53 161:54 162:381 163:73 164:158
165:160 166:99 167:218 168:225 169:105 170:286
171:8 192:5531 193:2693 194:2020 195:1361 196:548
198:3684 199:3059 200:3457 201:7 202:4569 203:5553
204:3044 205:1990 206:2254 207:2445 208:2239 209:2790
210:1437 211:550 212:970 213:1157 214:56 215:28
216:3387 217:918 218:169 219:108 220:217 221:28
222:28
End of report
Routing Table Report 04:00 +10GMT Sun 23 May, 2004
Analysis Summary
----------------
BGP routing table entries examined: 138240
Prefixes after maximum aggregation: 84036
Unique aggregates announced to Internet: 67146
Total ASes present in the Internet Routing Table: 17267
Origin-only ASes present in the Internet Routing Table: 14972
Origin ASes announcing only one prefix: 6963
Transit ASes present in the Internet Routing Table: 2295
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 9
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1289301500
Equivalent to 76 /8s, 217 /16s and 45 /24s
Percentage of available address space announced: 34.8
Percentage of allocated address space announced: 57.1
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 62012
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26487
Total APNIC prefixes after maximum aggregation: 13749
Prefixes being announced from the APNIC address blocks: 24798
Unique aggregates announced from the APNIC address blocks: 13842
APNIC Region origin ASes present in the Internet Routing Table: 2058
APNIC Region origin ASes announcing only one prefix: 616
APNIC Region transit ASes present in the Internet Routing Table: 334
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 146970880
Equivalent to 8 /8s, 194 /16s and 153 /24s
Percentage of available APNIC address space announced: 67.1
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 79095
Total ARIN prefixes after maximum aggregation: 49261
Prefixes being announced from the ARIN address blocks: 61145
Unique aggregates announced from the ARIN address blocks: 21536
ARIN Region origin ASes present in the Internet Routing Table: 9194
ARIN Region origin ASes announcing only one prefix: 3277
ARIN Region transit ASes present in the Internet Routing Table: 910
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 224437280
Equivalent to 13 /8s, 96 /16s and 164 /24s
Percentage of available ARIN address space announced: 74.3
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647, 29695 - 30719
31744 - 32767
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 25462
Total RIPE prefixes after maximum aggregation: 18135
Prefixes being announced from the RIPE address blocks: 22272
Unique aggregates announced from the RIPE address blocks: 14763
RIPE Region origin ASes present in the Internet Routing Table: 5471
RIPE Region origin ASes announcing only one prefix: 2942
RIPE Region transit ASes present in the Internet Routing Table: 937
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 162479104
Equivalent to 9 /8s, 175 /16s and 60 /24s
Percentage of available RIPE address space announced: 57.0
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
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: 6040
Total LACNIC prefixes after maximum aggregation: 2215
Prefixes being announced from the LACNIC address blocks: 5689
Unique aggregates announced from the LACNIC address blocks: 3493
LACNIC Region origin ASes present in the Internet Routing Table: 377
LACNIC Region origin ASes announcing only one prefix: 107
LACNIC Region transit ASes present in the Internet Routing Table: 71
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14915072
Equivalent to 0 /8s, 227 /16s and 150 /24s
Percentage of available LACNIC address space announced: 44.5
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1150
Total AfriNIC prefixes after maximum aggregation: 676
Prefixes being announced from the AfriNIC address blocks: 771
Unique aggregates announced from the AfriNIC address blocks: 580
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1848576
Equivalent to 0 /8s, 28 /16s and 53 /24s
Percentage of available AfriNIC address space announced: 11.0
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 852 1091 615 Telstra Pty Ltd
4134 770 3514 140 Data Communications Bureau
4766 488 2896 263 Korea Internet Exchange for "
9583 473 39 89 Satyam Infoway Ltd.,
4755 360 125 53 Videsh Sanchar Nigam Ltd. Aut
9443 354 69 78 Primus Telecommunications
2907 353 1841 330 SINET Japan
9929 345 156 33 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
703 329 375 258 UUNET
17557 327 23 167 Pakistan Telecom
2764 296 275 242 connect.com.au pty ltd
7474 265 268 208 Optus Communications Pty Ltd
9942 230 71 127 COMindico Australia
9800 224 367 62 CHINA UNICOM
4780 212 193 26 Digital United Inc.
9498 194 47 46 BHARTI BT INTERNET LTD.
17974 180 51 98 PT TELEKOMUNIKASI INDONESIA
4837 176 1683 105 chinanet IDC center beijing n
10036 173 16 162 C&M Communication Co. Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1447 6892 1008 AT&T
701 1310 8545 938 UUNET Technologies, Inc.
1239 935 3000 637 Sprint
3356 891 10900 675 Level 3 Communications, LLC
209 734 3459 501 Qwest
4323 726 560 198 Time Warner Communications, I
18566 704 192 8 Covad Communications
6197 702 520 269 BellSouth Network Solutions,
6198 558 368 211 BellSouth Network Solutions,
20115 555 365 290 Charter Communications
852 512 1142 403 Telus Advanced Communications
7843 496 646 115 Adelphia Corp.
7132 450 7852 334 Southwestern Bell Internet Se
2386 429 601 232 AT&T Data Communications Serv
6347 401 388 90 SAVVIS Communications Corpora
705 400 147 274 UUNET Technologies, Inc.
4355 391 323 101 EarthLink, Inc.
22909 387 840 29 Comcast Cable Corporation
376 384 359 112 Reseau Interordinateurs Scien
5668 380 71 17 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 651 2037 546 UUNET - Commercial IP service
3320 296 2477 236 Deutsche Telekom AG
3301 273 1096 263 TeliaNet Sweden
8220 273 428 260 COLT Internet - International
680 244 2025 239 DFN-IP service G-WiN
1257 240 493 196 SWIPnet Swedish IP Network
13083 216 51 8 Mannesmann Datenverarbeitung
3246 203 461 200 Song Networks
5515 202 795 144 Sonera Solution Autonomous Sy
719 178 288 102 LANLINK autonomous system
3215 176 833 69 France Telecom Transpac
8708 174 111 163 Romania Data Systems S.A.
25186 174 172 115 France Telecom Transpac's Tra
786 173 1794 173 The JANET IP Service
6746 152 29 126 Dynamic Network Technologies,
5400 150 225 128 BT Ignite European Backbone
3269 137 1101 65 TELECOM ITALIA
3303 132 611 132 Swisscom Ltd
12302 123 18 29 MobiFon S.A.
8866 115 13 6 Bulgarian Telecommunication C
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 386 124 65 ImpSat
11172 360 96 56 Servicios Alestra S.A de C.V
8151 266 373 127 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 160 82 21 Telefonica Del Peru
7303 143 53 32 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 130 219 89 AVANTEL, S.A.
11992 89 9 28 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 79 5 16 Chilesat Servicios Empresari
15311 75 19 37 Telefonica Empresas
14420 73 5 32 ANDINATEL S.A.
5639 72 8 8 Telecommunications Services o
4270 71 18 9 Red de Interconexion Universi
14535 70 6 5 Techtel S.A.
11311 69 7 19 Sinectis S.A.
14259 68 4 5 GTD Internet S.A.
10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA
7080 64 4 1 Electronica y Comunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 254 632 219 The Internet Solution
5536 107 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 89 272 79 The Internetworking Company o
11845 37 9 11 Data Pro Business Online
24835 31 18 6 RAYA Telecom - Egypt
9129 27 3 4 UUNET Kenya
5713 26 125 24 Telkom SA Ltd
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
12455 24 4 2 Jambonet Autonomous system
14988 24 16 1 Botswana Telecommunications C
8524 23 2 4 AUCEGYPT Autonomous System
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
8346 14 22 13 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 704 696 Covad Communications
4134 770 630 Data Communications Bureau
4323 726 528 Time Warner Communications, I
6197 702 433 BellSouth Network Solutions,
9583 473 384 Satyam Infoway Ltd.,
7843 496 381 Adelphia Corp.
701 1310 372 UUNET Technologies, Inc.
5668 380 363 Century Telephone
22909 387 358 Comcast Cable Corporation
6198 558 347 BellSouth Network Solutions,
27364 359 340 Armstrong Cable Services
22773 372 328 Cox Communications, Inc. Atla
6140 386 321 ImpSat
9929 345 312 China Netcom Corp.
6347 401 311 SAVVIS Communications Corpora
17676 341 308 XTAGE CORPORATION
4755 360 307 Videsh Sanchar Nigam Ltd. Aut
11172 360 304 Servicios Alestra S.A de C.V
1239 935 298 Sprint
4355 391 290 EarthLink, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone
65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone
65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V.
65502 PRIVATE 203.97.150.0/24 7714 TelstraClear
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 568 DISO-UNRRA
164.234.0.0/18 721 DLA Systems Automation Center
164.234.0.0/16 721 DLA Systems Automation Center
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 DISO-UNRRA
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:3 /10:6 /11:15 /12:59
/13:120 /14:293 /15:511 /16:7748 /17:2022 /18:3593
/19:9378 /20:9872 /21:7183 /22:10185 /23:11529 /24:75003
/25:212 /26:255 /27:132 /28:31 /29:8 /30:52
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 687 704 Covad Communications
7018 552 1447 AT&T
6197 533 702 BellSouth Network Solutions,
3356 506 891 Level 3 Communications, LLC
702 396 651 UUNET - Commercial IP service
6198 395 558 BellSouth Network Solutions,
701 365 1310 UUNET Technologies, Inc.
1239 361 935 Sprint
27364 347 359 Armstrong Cable Services
5668 332 380 Century Telephone
9583 314 473 Satyam Infoway Ltd.,
4766 311 488 Korea Internet Exchange for "
20115 296 555 Charter Communications
9929 275 345 China Netcom Corp.
14824 250 275 NewSouth Communications Corp.
690 247 283 Merit Network
3320 245 296 Deutsche Telekom AG
25844 244 244 Skadden, Arps, Slate, Meagher
13609 235 276 Choice One Communications Inc
6517 231 257 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:818 13:1 15:5 16:1 17:3
20:8 24:724 32:97 38:69 40:53 44:3
55:1 56:4 57:15 61:377 62:490 63:1827
64:1831 65:1986 66:2499 67:313 68:508 69:551
70:64 80:501 81:297 82:174 83:56 128:150
129:194 130:82 131:131 132:18 133:1 134:178
135:17 136:186 137:106 138:157 139:38 140:156
141:126 142:117 143:54 144:90 145:42 146:299
147:76 148:403 149:115 150:93 151:66 152:165
153:62 154:1 155:120 156:61 157:58 158:145
159:147 160:53 161:54 162:381 163:73 164:159
165:160 166:99 167:219 168:224 169:105 170:286
171:8 192:5523 193:2697 194:2030 195:1365 196:549
198:3677 199:3035 200:3456 201:7 202:4562 203:5551
204:3044 205:1989 206:2253 207:2444 208:2237 209:2793
210:1434 211:549 212:970 213:1151 214:56 215:28
216:3381 217:917 218:170 219:108 220:217 221:28
222:28
End of report
