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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 17 Jan, 2003
Analysis Summary
----------------
BGP routing table entries examined: 119833
Prefixes after maximum aggregation: 76401
Unique aggregates announced to Internet: 57461
Total ASes present in the Internet Routing Table: 14423
Origin-only ASes present in the Internet Routing Table: 12534
Origin ASes announcing only one prefix: 5658
Transit ASes present in the Internet Routing Table: 1889
Transit-only ASes present in the Internet Routing Table: 59
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: 9
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 30
Number of addresses announced to Internet: 1190822873
Equivalent to 70 /8s, 250 /16s and 131 /24s
Percentage of available address space announced: 32.1
Percentage of allocated address space announced: 58.9
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 55857
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19936
Total APNIC prefixes after maximum aggregation: 11853
Prefixes being announced from the APNIC address blocks: 18440
Unique aggregates announced from the APNIC address blocks: 11342
APNIC Region origin ASes present in the Internet Routing Table: 1711
APNIC Region origin ASes announcing only one prefix: 526
APNIC Region transit ASes present in the Internet Routing Table: 290
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 13
Number of APNIC addresses announced to Internet: 104299168
Equivalent to 6 /8s, 55 /16s and 122 /24s
Percentage of available APNIC address space announced: 68.6
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: 74144
Total ARIN prefixes after maximum aggregation: 47100
Prefixes being announced from the ARIN address blocks: 51928
Unique aggregates announced from the ARIN address blocks: 16044
ARIN Region origin ASes present in the Internet Routing Table: 8065
ARIN Region origin ASes announcing only one prefix: 2725
ARIN Region transit ASes present in the Internet Routing Table: 754
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 185649392
Equivalent to 11 /8s, 16 /16s and 200 /24s
Percentage of available ARIN address space announced: 69.2
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647
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: 20609
Total RIPE prefixes after maximum aggregation: 15264
Prefixes being announced from the RIPE address blocks: 17188
Unique aggregates announced from the RIPE address blocks: 11441
RIPE Region origin ASes present in the Internet Routing Table: 4267
RIPE Region origin ASes announcing only one prefix: 2326
RIPE Region transit ASes present in the Internet Routing Table: 769
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 122203200
Equivalent to 7 /8s, 72 /16s and 172 /24s
Percentage of available RIPE address space announced: 80.9
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, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5137
Total LACNIC prefixes after maximum aggregation: 2184
Prefixes being announced from the LACNIC address blocks: 4476
Unique aggregates announced from the LACNIC address blocks: 2938
LACNIC Region origin ASes present in the Internet Routing Table: 324
LACNIC Region origin ASes announcing only one prefix: 81
LACNIC Region transit ASes present in the Internet Routing Table: 67
Average LACNIC Region AS path length visible: 5.7
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 11857664
Equivalent to 0 /8s, 180 /16s and 239 /24s
Percentage of available LACNIC address space announced: 70.7
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 1132 1184 834 Telstra Pty Ltd
703 399 364 315 UUNET
2907 390 1975 366 SINET Japan
2764 336 340 305 connect.com.au pty ltd
17557 321 23 126 Pakistan Telecom
7474 313 281 204 Optus Communications Pty Ltd
4134 296 2457 95 Data Communications Bureau
4814 251 79 15 China Telecom (Group)
3786 237 772 204 DACOM Corporation
4755 233 133 72 Videsh Sanchar Nigam Ltd. Aut
17676 228 3556 27 XTAGE CORPORATION
4766 200 2075 149 Korea Internet Exchange for "
9583 190 33 12 Satyam Infoway Ltd.,
9443 188 57 77 Primus Telecommunications
9800 167 205 41 CHINA UNICOM
4716 130 738 124 TTnet
9768 129 384 64 Korea Telecom
9238 124 7 16 TATA ISP
4739 123 57 113 Commerical Internet eXchange
7713 123 46 14 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1606 9014 1182 UUNET Technologies, Inc.
7018 1443 7091 974 AT&T
3908 1201 1636 507 Supernet, Inc.
1239 966 3160 678 Sprint
1 659 8076 432 GENUITY
7843 610 410 244 Adelphia Corp.
852 609 1140 446 Telus Advanced Communications
7046 550 841 259 UUNET Technologies, Inc.
4323 533 488 169 Time Warner Communications, I
690 521 76 326 Merit Network
209 519 2102 328 Qwest
7066 492 204 252 Virginia Polytechnic Institut
6197 462 561 104 BellSouth Network Solutions,
18566 430 112 5 Covad Communications
705 427 133 186 UUNET Technologies, Inc.
6198 424 185 198 BellSouth Network Solutions,
2386 410 465 227 AT&T Data Communications Serv
4355 408 313 116 EarthLink, Inc.
3549 401 709 295 Global Crossing
15290 394 215 176 AT&T Canada IES
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 807 2306 670 UUNET - Commercial IP service
3301 337 1141 298 TeliaNet Sweden
3215 314 803 174 France Telecom Transpac
3320 254 1995 227 Deutsche Telekom AG
680 237 2166 235 DFN-IP service G-WiN
5515 214 783 175 Sonera Solution Autonomous Sy
1257 207 400 196 SWIPnet Swedish IP Network
786 176 1873 176 The JANET IP Service
719 171 306 130 LANLINK autonomous system
5400 160 70 97 BT Ignite European Backbone
8708 156 42 146 Romania Data Systems S.A.
3303 144 517 143 Swisscom Ltd
20858 142 17 3 This AS will be used to conne
2856 131 1302 118 BTnet UK Regional network
12302 124 18 31 MobiFon S.A.
8220 122 174 113 COLT Internet - International
3246 118 378 115 Song Networks
3269 113 754 63 TELECOM ITALIA
5511 106 193 83 France Telecom
3233 104 10 8 RNC - Romanian Natioanal R&D
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 319 98 105 ImpSat
7303 228 36 52 Telecom Argentina Stet-France
8151 207 317 113 UniNet S.A. de C.V.
11172 164 83 33 Servicios Alestra S.A de C.V
6503 158 207 108 AVANTEL, S.A.
16814 140 9 14 NSS, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
10620 98 6 32 TVCABLE BOGOTA
11340 82 2 33 Red Universitaria Nacional
6147 78 58 20 Telefonica Del Peru
1916 74 306 44 Fundacao de Amparo a Pesquisa
15311 72 27 37 Telefonica Empresas
6535 70 4 21 Chilesat Servicios Empresari
4270 68 18 10 Red de Interconexion Universi
11992 68 7 32 Integrated Systems
8065 67 6 14 Empresas Publicas de Medellin
7984 61 11 40 Global One Colombia
15034 58 5 33 TIBA SA
4926 57 4 47 Telintar S.A.
11830 57 4 18 Instituto Costarricense de El
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1201 694 Supernet, Inc.
7018 1443 469 AT&T
18566 430 425 Covad Communications
7843 610 366 Adelphia Corp.
4323 533 364 Time Warner Communications, I
6197 462 358 BellSouth Network Solutions,
1580 313 300 ANOSCEUR
1221 1132 298 Telstra Pty Ltd
11492 297 296 Cable One
4355 408 292 EarthLink, Inc.
7046 550 291 UUNET Technologies, Inc.
1239 966 288 Sprint
6347 367 288 SAVVIS Communications Corpora
4151 329 271 USDA
22927 283 261 TELEFONICA DE ARGENTINA
705 427 241 UUNET Technologies, Inc.
7066 492 240 Virginia Polytechnic Institut
376 345 240 Reseau Interordinateurs Scien
4814 251 236 China Telecom (Group)
1 659 227 GENUITY
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64516 PRIVATE 137.164.227.0/24 2150 California State Uni
64516 PRIVATE 137.164.228.0/22 2150 California State Uni
1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p
64514 PRIVATE 198.188.18.0/24 2151 California State Uni
64514 PRIVATE 198.188.28.0/24 2151 California State Uni
65535 PRIVATE 202.57.188.0/24 7654 Siam Global Access C
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
64514 PRIVATE 207.62.82.0/23 2151 California State Uni
64514 PRIVATE 207.62.84.0/22 2151 California State Uni
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
158.255.3.0/24 702 UUNET - Commercial IP service
178.54.59.0/24 7018 AT&T
188.1.0.0/16 680 DFN-IP service G-WiN
192.31.242.0/24 771 NASA Ames Research Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
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
192.140.0.0/16 5511 France Telecom
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
192.208.29.0/24 3908 Supernet, Inc.
192.208.30.0/23 3908 Supernet, Inc.
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
/13:91 /14:240 /15:441 /16:7328 /17:1555 /18:2828
/19:8032 /20:7833 /21:5619 /22:8566 /23:10267 /24:66240
/25:139 /26:173 /27:93 /28:80 /29:69 /30:108
/31:0 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 768 1201 Supernet, Inc.
7018 512 1443 AT&T
702 494 807 UUNET - Commercial IP service
690 470 521 Merit Network
18566 425 430 Covad Communications
701 422 1606 UUNET Technologies, Inc.
7066 391 492 Virginia Polytechnic Institut
7843 381 610 Adelphia Corp.
1239 355 966 Sprint
6197 339 462 BellSouth Network Solutions,
6198 338 424 BellSouth Network Solutions,
6140 307 319 ImpSat
1580 299 313 ANOSCEUR
11492 296 297 Cable One
22927 282 283 TELEFONICA DE ARGENTINA
7046 244 550 UUNET Technologies, Inc.
3215 241 314 France Telecom Transpac
20115 231 350 Charter Communications
2386 227 410 AT&T Data Communications Serv
4355 227 408 EarthLink, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
12:633 13:1 15:6 17:3 20:7 24:780
25:1 32:43 38:37 40:18 44:1 55:1
57:16 61:427 62:462 63:1864 64:1361 65:1804
66:1370 67:202 68:225 69:43 80:351 81:100
128:126 129:184 130:23 131:70 132:9 133:4
134:155 135:6 136:489 137:111 138:208 139:84
140:185 141:103 142:97 143:44 144:148 145:16
146:256 147:246 148:271 149:79 150:42 151:94
152:258 153:37 154:7 155:103 156:49 157:63
158:120 159:139 160:24 161:57 162:132 163:83
164:279 165:136 166:79 167:303 168:385 169:57
170:289 171:8 178:1 192:5379 193:2396 194:1979
195:910 196:456 198:3581 199:3036 200:2783 202:3623
203:4901 204:3015 205:2105 206:2359 207:2405 208:2650
209:2694 210:685 211:319 212:893 213:752 214:12
215:23 216:3184 217:558 218:70 219:16 220:41
End of report
-----
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