[rtma] Weekly Routing Table Report
Routing Table Analysis
cscora at thyme.apnic.net
Fri Nov 22 05:05:18 EST 2002
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 22 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 119138
Prefixes after maximum aggregation: 75374
Unique aggregates announced to Internet: 56423
Total ASes present in the Internet Routing Table: 14124
Origin-only ASes present in the Internet Routing Table: 12228
Origin ASes announcing only one prefix: 5533
Transit ASes present in the Internet Routing Table: 1896
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 23
Illegal AS announcements present in the Routing Table: 2
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 36
Number of addresses announced to Internet: 1184257757
Equivalent to 70 /8s, 150 /16s and 86 /24s
Percentage of available address space announced: 32.0
Percentage of allocated address space announced: 58.6
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 50279
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19278
Total APNIC prefixes after maximum aggregation: 11465
Prefixes being announced from the APNIC address blocks: 17812
Unique aggregates announced from the APNIC address blocks: 11208
APNIC Region origin ASes present in the Internet Routing Table: 1649
APNIC Region origin ASes announcing only one prefix: 526
APNIC Region transit ASes present in the Internet Routing Table: 289
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 13
Number of APNIC addresses announced to Internet: 100592288
Equivalent to 5 /8s, 254 /16s and 234 /24s
Percentage of available APNIC address space announced: 66.2
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: 74894
Total ARIN prefixes after maximum aggregation: 46769
Prefixes being announced from the ARIN address blocks: 52411
Unique aggregates announced from the ARIN address blocks: 15646
ARIN Region origin ASes present in the Internet Routing Table: 7928
ARIN Region origin ASes announcing only one prefix: 2666
ARIN Region transit ASes present in the Internet Routing Table: 756
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 183617504
Equivalent to 10 /8s, 241 /16s and 199 /24s
Percentage of available ARIN address space announced: 68.4
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647
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: 20089
Total RIPE prefixes after maximum aggregation: 15043
Prefixes being announced from the RIPE address blocks: 16743
Unique aggregates announced from the RIPE address blocks: 11119
RIPE Region origin ASes present in the Internet Routing Table: 4160
RIPE Region origin ASes announcing only one prefix: 2260
RIPE Region transit ASes present in the Internet Routing Table: 772
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 119938624
Equivalent to 7 /8s, 38 /16s and 30 /24s
Percentage of available RIPE address space announced: 79.4
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
RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 4877
Total LACNIC prefixes after maximum aggregation: 2097
Prefixes being announced from the LACNIC address blocks: 4245
Unique aggregates announced from the LACNIC address blocks: 2746
LACNIC Region origin ASes present in the Internet Routing Table: 319
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: 5.9
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 11728384
Equivalent to 0 /8s, 178 /16s and 246 /24s
Percentage of available LACNIC address space announced: 69.9
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 1177 1184 852 Telstra Pty Ltd
703 392 363 309 UUNET
2907 351 1767 330 SINET Japan
2764 339 341 307 connect.com.au pty ltd
17557 307 22 122 Pakistan Telecom
7474 303 279 202 Optus Communications Pty Ltd
4134 298 2351 100 Data Communications Bureau
4755 275 137 72 Videsh Sanchar Nigam Ltd. Aut
4814 247 79 15 China Telecom (Group)
4766 236 1807 152 Korea Internet Exchange for "
17676 229 3554 29 XTAGE CORPORATION
9443 183 57 72 Primus Telecommunications
9583 173 33 11 Satyam Infoway Ltd.,
4515 144 102 76 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
4716 130 724 124 TTnet
9800 126 189 28 CHINA UNICOM
7657 125 24 90 The Internet Group Limited
4739 120 56 110 Commerical Internet eXchange
4621 118 11 67 UNINET-TH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3908 2110 1668 510 Supernet, Inc.
701 1744 9039 1248 UUNET Technologies, Inc.
7018 1366 7174 949 AT&T
1239 911 3170 658 Sprint
7843 666 389 278 Adelphia Corp.
852 665 1147 466 Telus Advanced Communications
1 658 8090 438 GENUITY
209 592 2048 337 Qwest
7046 586 861 284 UUNET Technologies, Inc.
19029 570 127 28 New Edge Networks
4323 525 455 167 Time Warner Communications, I
690 507 74 319 Merit Network
7066 489 204 257 Virginia Polytechnic Institut
6197 440 235 201 BellSouth Network Solutions,
705 437 134 197 UUNET Technologies, Inc.
3561 422 2283 360 Cable & Wireless USA
6198 410 176 197 BellSouth Network Solutions,
3549 406 743 292 Global Crossing
4355 403 313 118 EarthLink, Inc.
2548 390 1036 240 Business Internet, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 822 2330 688 UUNET - Commercial IP service
3301 382 1164 337 TeliaNet Sweden
3215 312 789 172 France Telecom Transpac
3320 245 1964 221 Deutsche Telekom AG
680 237 2150 234 DFN-IP service G-WiN
1257 213 416 203 SWIPnet Swedish IP Network
5515 210 783 175 Sonera Solution Autonomous Sy
719 190 306 129 LANLINK autonomous system
5400 182 79 103 BT Ignite European Backbone
786 176 1873 176 The JANET IP Service
2856 176 1304 134 BTnet UK Regional network
8708 154 41 147 Romania Data Systems S.A.
3303 144 517 143 Swisscom Ltd
20858 138 17 4 This AS will be used to conne
12302 123 18 30 MobiFon S.A.
3246 119 375 116 Song Networks
8220 118 173 110 COLT Internet - International
3269 111 752 63 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
2874 102 85 39 Global One Services AB
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 267 114 57 ImpSat USA, Inc.
8151 212 347 113 UniNet S.A. de C.V.
7303 184 28 47 Telecom Argentina Stet-France
11172 167 88 34 Servicios Alestra S.A de C.V
6503 155 175 110 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 97 6 33 TVCABLE BOGOTA
11340 79 2 30 Red Universitaria Nacional
15311 74 27 37 Telefonica Empresas
1916 73 409 40 Fundacao de Amparo a Pesquisa
4270 71 18 10 Red de Interconexion Universi
6535 71 4 15 Chilesat Servicios Empresari
11992 67 7 29 Integrated Systems
6147 66 57 23 Telefonica Del Peru
4926 63 4 51 Telintar S.A.
7984 63 11 40 Global One Colombia
8065 60 6 15 Empresas Publicas de Medellin
15034 60 5 33 TIBA SA
7927 56 5 39 Global One Venezuela
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
19029 570 542 New Edge Networks
701 1744 496 UUNET Technologies, Inc.
7018 1366 417 AT&T
7843 666 388 Adelphia Corp.
18566 367 362 Covad Communications
4323 525 358 Time Warner Communications, I
1221 1177 325 Telstra Pty Ltd
1580 316 303 ANOSCEUR
7046 586 302 UUNET Technologies, Inc.
4151 347 288 USDA
6347 361 287 SAVVIS Communications Corpora
4355 403 285 EarthLink, Inc.
11492 266 257 Cable One
209 592 255 Qwest
22927 275 255 TELEFONICA DE ARGENTINA
1239 911 253 Sprint
705 437 240 UUNET Technologies, Inc.
6197 440 239 BellSouth Network Solutions,
376 342 238 Reseau Interordinateurs Scien
7066 489 232 Virginia Polytechnic Institut
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
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
134.137.0.0/16 7170 AT&T Government Markets
135.0.0.0/13 10455 Lucent Technologies
137.0.0.0/13 568 DISO-UNRRA
138.94.0.0/16 1 GENUITY
156.108.0.0/16 14041 Colorado State University / A
158.0.0.0/13 568 DISO-UNRRA
164.233.0.0/16 6020 DISA NETWORK SERVICES
164.236.0.0/16 568 DISO-UNRRA
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
192.91.198.0/24 2568 CTS Network Services
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
192.136.136.0/24 7046 UUNET Technologies, Inc.
192.136.136.0/22 568 DISO-UNRRA
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
192.156.0.0/19 568 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 /11:11 /12:46
/13:91 /14:236 /15:439 /16:7309 /17:1543 /18:2752
/19:7963 /20:7618 /21:5423 /22:8323 /23:10091 /24:66320
/25:161 /26:186 /27:108 /28:103 /29:72 /30:232
/31:19 /32:64
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 884 2110 Supernet, Inc.
19029 536 570 New Edge Networks
702 503 822 UUNET - Commercial IP service
701 502 1744 UUNET Technologies, Inc.
7843 464 666 Adelphia Corp.
690 455 507 Merit Network
7018 440 1366 AT&T
7066 387 489 Virginia Polytechnic Institut
18566 360 367 Covad Communications
6197 331 440 BellSouth Network Solutions,
6198 326 410 BellSouth Network Solutions,
1239 305 911 Sprint
1580 302 316 ANOSCEUR
209 277 592 Qwest
7046 276 586 UUNET Technologies, Inc.
11492 264 266 Cable One
3215 237 312 France Telecom Transpac
3301 227 382 TeliaNet Sweden
22927 225 275 TELEFONICA DE ARGENTINA
4355 223 403 EarthLink, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:1 12:600 13:10 15:4 17:3
20:5 24:849 25:1 32:46 38:28 40:13
44:1 55:1 57:15 61:392 62:384 63:1929
64:1375 65:1709 66:1226 67:183 68:172 69:22
80:313 81:83 128:119 129:141 130:19 131:67
132:9 133:2 134:150 135:7 136:484 137:109
138:216 139:76 140:154 141:92 142:88 143:46
144:149 145:18 146:250 147:248 148:258 149:77
150:43 151:85 152:289 153:36 154:8 155:100
156:108 157:51 158:110 159:152 160:22 161:72
162:137 163:88 164:256 165:137 166:93 167:296
168:372 169:56 170:263 171:6 192:5421 193:2384
194:2010 195:843 196:457 198:3700 199:3097 200:2596
202:3562 203:4836 204:3492 205:2342 206:2362 207:2510
208:2590 209:2883 210:617 211:293 212:871 213:794
214:12 215:20 216:3121 217:508 218:65 219:7
End of report
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