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Weekly Routing Table Report
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net
For a graphical representation, please see http://www.apnic.net/stats/bgp.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 20:00 +10GMT Fri 07 Feb, 2003
Analysis Summary
----------------
BGP routing table entries examined: 120515
Prefixes after maximum aggregation: 76991
Unique aggregates announced to Internet: 58099
Total ASes present in the Internet Routing Table: 14573
Origin-only ASes present in the Internet Routing Table: 12648
Origin ASes announcing only one prefix: 5720
Transit ASes present in the Internet Routing Table: 1925
Transit-only ASes present in the Internet Routing Table: 66
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 12
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 22
Number of addresses announced to Internet: 1192008781
Equivalent to 71 /8s, 12 /16s and 156 /24s
Percentage of available address space announced: 32.2
Percentage of allocated address space announced: 58.4
Percentage of available address space allocated: 55.0
Total number of prefixes smaller than registry allocations: 56029
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 20318
Total APNIC prefixes after maximum aggregation: 11996
Prefixes being announced from the APNIC address blocks: 18835
Unique aggregates announced from the APNIC address blocks: 11533
APNIC Region origin ASes present in the Internet Routing Table: 1729
APNIC Region origin ASes announcing only one prefix: 525
APNIC Region transit ASes present in the Internet Routing Table: 295
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 105059232
Equivalent to 6 /8s, 67 /16s and 19 /24s
Percentage of available APNIC address space announced: 69.1
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 74212
Total ARIN prefixes after maximum aggregation: 47457
Prefixes being announced from the ARIN address blocks: 52586
Unique aggregates announced from the ARIN address blocks: 16200
ARIN Region origin ASes present in the Internet Routing Table: 8120
ARIN Region origin ASes announcing only one prefix: 2741
ARIN Region transit ASes present in the Internet Routing Table: 766
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 186593984
Equivalent to 11 /8s, 31 /16s and 50 /24s
Percentage of available ARIN address space announced: 69.5
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 20729
Total RIPE prefixes after maximum aggregation: 15341
Prefixes being announced from the RIPE address blocks: 17370
Unique aggregates announced from the RIPE address blocks: 11605
RIPE Region origin ASes present in the Internet Routing Table: 4331
RIPE Region origin ASes announcing only one prefix: 2369
RIPE Region transit ASes present in the Internet Routing Table: 784
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 123149248
Equivalent to 7 /8s, 87 /16s and 27 /24s
Percentage of available RIPE address space announced: 73.4
RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614
2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
20480 - 21503, 24576 - 25599, 28672 - 29695
RIPE Address Blocks 62/8, 80/7, 82/8, 188/8, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5246
Total LACNIC prefixes after maximum aggregation: 2197
Prefixes being announced from the LACNIC address blocks: 4596
Unique aggregates announced from the LACNIC address blocks: 2990
LACNIC Region origin ASes present in the Internet Routing Table: 329
LACNIC Region origin ASes announcing only one prefix: 85
LACNIC Region transit ASes present in the Internet Routing Table: 68
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 10
Number of LACNIC addresses announced to Internet: 11979776
Equivalent to 0 /8s, 182 /16s and 204 /24s
Percentage of available LACNIC address space announced: 71.4
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1126 1183 822 Telstra Pty Ltd
703 409 368 320 UUNET
2907 388 1975 367 SINET Japan
17557 336 24 133 Pakistan Telecom
2764 331 340 300 connect.com.au pty ltd
7474 302 276 210 Optus Communications Pty Ltd
4134 301 2525 100 Data Communications Bureau
4814 261 79 15 China Telecom (Group)
4755 249 134 76 Videsh Sanchar Nigam Ltd. Aut
3786 241 775 207 DACOM Corporation
17676 223 3461 25 XTAGE CORPORATION
9583 213 33 13 Satyam Infoway Ltd.,
4766 199 2071 148 Korea Internet Exchange for "
9443 185 57 76 Primus Telecommunications
9800 167 205 41 CHINA UNICOM
4765 148 9 13 World Net & Services Co., Ltd
9238 131 8 18 TATA ISP
9768 130 384 64 Korea Telecom
4716 129 737 123 TTnet
4739 124 57 113 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1607 8936 1183 UUNET Technologies, Inc.
7018 1433 7108 972 AT&T
3908 1219 1602 492 Supernet, Inc.
1239 965 3142 676 Sprint
852 684 1107 445 Telus Advanced Communications
1 669 8092 434 GENUITY
7843 569 393 229 Adelphia Corp.
7046 563 818 252 UUNET Technologies, Inc.
209 531 2105 338 Qwest
4323 529 472 168 Time Warner Communications, I
690 498 73 308 Merit Network
7066 492 204 253 Virginia Polytechnic Institut
6197 472 555 110 BellSouth Network Solutions,
18566 458 114 7 Covad Communications
705 438 150 189 UUNET Technologies, Inc.
2386 437 469 236 AT&T Data Communications Serv
3561 435 2227 371 Cable & Wireless USA
6198 430 191 197 BellSouth Network Solutions,
4355 397 309 114 EarthLink, Inc.
3549 392 708 289 Global Crossing
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 799 2284 663 UUNET - Commercial IP service
3215 312 818 172 France Telecom Transpac
3301 312 1141 300 TeliaNet Sweden
3320 261 1995 224 Deutsche Telekom AG
680 240 2166 237 DFN-IP service G-WiN
1257 212 384 197 SWIPnet Swedish IP Network
5515 208 783 172 Sonera Solution Autonomous Sy
719 204 306 130 LANLINK autonomous system
786 179 1874 179 The JANET IP Service
5400 158 69 95 BT Ignite European Backbone
8708 156 42 147 Romania Data Systems S.A.
20858 147 17 3 This AS will be used to conne
3303 144 517 143 Swisscom Ltd
12302 124 18 31 MobiFon S.A.
8220 123 174 114 COLT Internet - International
2856 119 1299 109 BTnet UK Regional network
3246 118 378 115 Song Networks
3269 111 751 61 TELECOM ITALIA
3233 104 10 8 RNC - Romanian Natioanal R&D
5511 101 177 80 France Telecom
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 284 98 103 ImpSat
7303 232 36 54 Telecom Argentina Stet-France
8151 209 332 115 UniNet S.A. de C.V.
11172 157 82 33 Servicios Alestra S.A de C.V
6503 156 191 109 AVANTEL, S.A.
16814 140 9 14 NSS, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
11340 111 3 39 Red Universitaria Nacional
10620 106 7 32 TVCABLE BOGOTA
6147 79 62 21 Telefonica Del Peru
1916 74 306 44 Fundacao de Amparo a Pesquisa
6535 71 4 22 Chilesat Servicios Empresari
15311 71 27 36 Telefonica Empresas
4270 69 18 10 Red de Interconexion Universi
8065 69 6 15 Empresas Publicas de Medellin
11992 69 7 30 Integrated Systems
7080 64 4 1 Electronica y Comunicaciones
7984 60 11 39 Global One Colombia
11830 60 4 21 Instituto Costarricense de El
15034 60 5 31 TIBA SA
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1219 727 Supernet, Inc.
7018 1433 461 AT&T
18566 458 451 Covad Communications
6197 472 362 BellSouth Network Solutions,
4323 529 361 Time Warner Communications, I
7843 569 340 Adelphia Corp.
7046 563 311 UUNET Technologies, Inc.
11492 307 306 Cable One
1221 1126 304 Telstra Pty Ltd
1239 965 289 Sprint
6347 368 289 SAVVIS Communications Corpora
4151 345 287 USDA
4355 397 283 EarthLink, Inc.
22927 295 281 TELEFONICA DE ARGENTINA
705 438 249 UUNET Technologies, Inc.
4814 261 246 China Telecom (Group)
376 352 241 Reseau Interordinateurs Scien
852 684 239 Telus Advanced Communications
7066 492 239 Virginia Polytechnic Institut
1 669 235 GENUITY
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p
64521 PRIVATE 198.189.23.0/24 2151 California State Uni
64521 PRIVATE 198.189.24.0/24 2151 California State Uni
64524 PRIVATE 198.189.134.0/24 2151 California State Uni
64524 PRIVATE 198.189.135.0/24 2151 California State Uni
64524 PRIVATE 198.189.136.0/24 2151 California State Uni
64524 PRIVATE 198.189.137.0/24 2151 California State Uni
64524 PRIVATE 198.189.138.0/24 2151 California State Uni
64521 PRIVATE 198.189.158.0/24 2151 California State Uni
64521 PRIVATE 198.189.235.0/24 2151 California State Uni
64521 PRIVATE 198.189.236.0/24 2151 California State Uni
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
132.0.0.0/10 568 DISO-UNRRA
135.0.0.0/13 10455 Lucent Technologies
137.0.0.0/13 568 DISO-UNRRA
158.0.0.0/13 568 DISO-UNRRA
192.31.242.0/24 771 NASA Ames Research Center
192.44.0.0/19 702 UUNET - Commercial IP service
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
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.136.86.0/24 719 LANLINK autonomous system
192.136.87.0/24 719 LANLINK autonomous system
192.136.88.0/24 719 LANLINK autonomous system
192.139.62.0/24 6539 GT Group Telecom Services Cor
192.153.136.0/21 568 DISO-UNRRA
192.156.164.0/24 19548 Adelphia Business Solutions
192.172.0.0/19 568 DISO-UNRRA
192.243.36.0/23 2044 AUSNet, Inc.
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:3 /10:8 /11:12 /12:44
/13:92 /14:241 /15:439 /16:7322 /17:1568 /18:2867
/19:8061 /20:7954 /21:5715 /22:8654 /23:10406 /24:66379
/25:172 /26:177 /27:94 /28:82 /29:58 /30:100
/31:2 /32:48
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 796 1219 Supernet, Inc.
7018 515 1433 AT&T
702 494 799 UUNET - Commercial IP service
18566 453 458 Covad Communications
690 447 498 Merit Network
701 427 1607 UUNET Technologies, Inc.
7066 391 492 Virginia Polytechnic Institut
1239 357 965 Sprint
6197 351 472 BellSouth Network Solutions,
7843 345 569 Adelphia Corp.
6198 341 430 BellSouth Network Solutions,
11492 306 307 Cable One
22927 294 295 TELEFONICA DE ARGENTINA
6140 272 284 ImpSat
7046 265 563 UUNET Technologies, Inc.
2386 239 437 AT&T Data Communications Serv
3215 238 312 France Telecom Transpac
20115 236 357 Charter Communications
7303 231 232 Telecom Argentina Stet-France
4355 224 397 EarthLink, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
12:638 13:1 15:6 17:2 20:9 24:799
25:1 32:82 34:1 38:40 40:19 44:1
55:1 57:15 61:473 62:495 63:1898 64:1395
65:1850 66:1388 67:211 68:255 69:42 80:314
81:86 128:141 129:185 130:38 131:73 132:11
133:2 134:143 135:4 136:194 137:114 138:103
139:70 140:130 141:104 142:92 143:45 144:63
145:17 146:259 147:85 148:261 149:75 150:41
151:96 152:254 153:44 154:3 155:104 156:39
157:44 158:123 159:137 160:32 161:50 162:135
163:80 164:268 165:141 166:86 167:305 168:392
169:57 170:294 171:8 192:5353 193:2418 194:2004
195:932 196:453 198:3605 199:3054 200:2846 202:3627
203:5062 204:3023 205:2097 206:2389 207:2412 208:2705
209:2795 210:711 211:321 212:941 213:712 214:22
215:21 216:3212 217:561 218:76 219:18 220:45
End of report
-----
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