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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 29 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 119089
Prefixes after maximum aggregation: 75503
Unique aggregates announced to Internet: 56562
Total ASes present in the Internet Routing Table: 14147
Origin-only ASes present in the Internet Routing Table: 12257
Origin ASes announcing only one prefix: 5544
Transit ASes present in the Internet Routing Table: 1890
Transit-only ASes present in the Internet Routing Table: 63
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 18
Illegal AS announcements present in the Routing Table: 3
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: 1185190237
Equivalent to 70 /8s, 164 /16s and 145 /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: 54136
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19302
Total APNIC prefixes after maximum aggregation: 11449
Prefixes being announced from the APNIC address blocks: 17818
Unique aggregates announced from the APNIC address blocks: 11179
APNIC Region origin ASes present in the Internet Routing Table: 1650
APNIC Region origin ASes announcing only one prefix: 527
APNIC Region transit ASes present in the Internet Routing Table: 292
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 11
Number of APNIC addresses announced to Internet: 100839584
Equivalent to 6 /8s, 2 /16s and 176 /24s
Percentage of available APNIC address space announced: 66.3
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: 74761
Total ARIN prefixes after maximum aggregation: 46872
Prefixes being announced from the ARIN address blocks: 52185
Unique aggregates announced from the ARIN address blocks: 15698
ARIN Region origin ASes present in the Internet Routing Table: 7941
ARIN Region origin ASes announcing only one prefix: 2670
ARIN Region transit ASes present in the Internet Routing Table: 750
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 183751136
Equivalent to 10 /8s, 243 /16s and 209 /24s
Percentage of available ARIN address space announced: 68.5
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: 20132
Total RIPE prefixes after maximum aggregation: 15086
Prefixes being announced from the RIPE address blocks: 16762
Unique aggregates announced from the RIPE address blocks: 11173
RIPE Region origin ASes present in the Internet Routing Table: 4173
RIPE Region origin ASes announcing only one prefix: 2266
RIPE Region transit ASes present in the Internet Routing Table: 766
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 120294336
Equivalent to 7 /8s, 43 /16s and 139 /24s
Percentage of available RIPE address space announced: 79.7
RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614
2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
20480 - 21503, 24576 - 25599
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: 4893
Total LACNIC prefixes after maximum aggregation: 2096
Prefixes being announced from the LACNIC address blocks: 4277
Unique aggregates announced from the LACNIC address blocks: 2760
LACNIC Region origin ASes present in the Internet Routing Table: 320
LACNIC Region origin ASes announcing only one prefix: 81
LACNIC Region transit ASes present in the Internet Routing Table: 71
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 13
Number of LACNIC addresses announced to Internet: 11747072
Equivalent to 0 /8s, 179 /16s and 63 /24s
Percentage of available LACNIC address space announced: 70.0
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 1169 1184 846 Telstra Pty Ltd
703 397 364 311 UUNET
2907 353 1751 332 SINET Japan
2764 342 341 310 connect.com.au pty ltd
17557 314 23 123 Pakistan Telecom
7474 305 280 203 Optus Communications Pty Ltd
4134 299 2361 102 Data Communications Bureau
4755 275 136 73 Videsh Sanchar Nigam Ltd. Aut
4814 248 79 15 China Telecom (Group)
4766 236 1807 152 Korea Internet Exchange for "
17676 230 3570 27 XTAGE CORPORATION
9443 184 57 73 Primus Telecommunications
9583 176 33 12 Satyam Infoway Ltd.,
9768 135 386 64 Korea Telecom
4716 130 724 124 TTnet
9800 129 190 30 CHINA UNICOM
7657 126 25 91 The Internet Group Limited
4621 120 11 67 UNINET-TH
4739 120 56 110 Commerical Internet eXchange
4515 113 102 47 Star Internet Services Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3908 2407 1667 505 Supernet, Inc.
701 1742 9040 1245 UUNET Technologies, Inc.
7018 1401 7163 977 AT&T
1239 913 3172 657 Sprint
852 668 1147 466 Telus Advanced Communications
1 665 8090 437 GENUITY
7843 665 396 274 Adelphia Corp.
7046 587 862 285 UUNET Technologies, Inc.
4323 526 455 167 Time Warner Communications, I
209 522 2048 337 Qwest
690 506 74 319 Merit Network
7066 491 204 258 Virginia Polytechnic Institut
6197 444 236 202 BellSouth Network Solutions,
705 440 134 200 UUNET Technologies, Inc.
6198 415 177 198 BellSouth Network Solutions,
3561 411 2234 352 Cable & Wireless USA
3549 405 742 296 Global Crossing
4355 403 313 118 EarthLink, Inc.
15290 388 213 173 AT&T Canada IES
18566 377 96 5 Covad Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 821 2347 685 UUNET - Commercial IP service
3301 379 1163 334 TeliaNet Sweden
3215 308 805 171 France Telecom Transpac
3320 247 1964 223 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
719 189 306 129 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 173 1302 135 BTnet UK Regional network
5400 169 74 104 BT Ignite European Backbone
8708 153 41 146 Romania Data Systems S.A.
3303 145 517 144 Swisscom Ltd
20858 139 17 4 This AS will be used to conne
12302 123 18 30 MobiFon S.A.
3246 119 379 116 Song Networks
8220 119 174 111 COLT Internet - International
3269 111 752 63 TELECOM ITALIA
3233 104 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 268 114 57 ImpSat USA, Inc.
8151 202 331 111 UniNet S.A. de C.V.
7303 182 28 46 Telecom Argentina Stet-France
11172 167 88 34 Servicios Alestra S.A de C.V
6503 155 191 107 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 98 6 32 TVCABLE BOGOTA
11340 78 2 29 Red Universitaria Nacional
1916 73 409 40 Fundacao de Amparo a Pesquisa
15311 73 27 37 Telefonica Empresas
6535 71 4 19 Chilesat Servicios Empresari
4270 68 18 10 Red de Interconexion Universi
11992 68 7 28 Integrated Systems
6147 66 57 23 Telefonica Del Peru
8065 66 6 15 Empresas Publicas de Medellin
7984 65 12 42 Global One Colombia
4926 62 4 50 Telintar S.A.
15034 57 5 32 TIBA SA
7927 56 5 39 Global One Venezuela
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
701 1742 497 UUNET Technologies, Inc.
7018 1401 424 AT&T
7843 665 391 Adelphia Corp.
18566 377 372 Covad Communications
4323 526 359 Time Warner Communications, I
1221 1169 323 Telstra Pty Ltd
7046 587 302 UUNET Technologies, Inc.
1580 314 301 ANOSCEUR
4151 353 295 USDA
6347 363 288 SAVVIS Communications Corpora
4355 403 285 EarthLink, Inc.
11492 272 260 Cable One
1239 913 256 Sprint
22927 275 255 TELEFONICA DE ARGENTINA
6197 444 242 BellSouth Network Solutions,
705 440 240 UUNET Technologies, Inc.
376 343 239 Reseau Interordinateurs Scien
7066 491 233 Virginia Polytechnic Institut
4814 248 233 China Telecom (Group)
1 665 228 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
63000 RESERVED 200.63.222.0/24 14522 SatNet S.A.
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 /14:237 /15:439 /16:7316 /17:1526 /18:2763
/19:7974 /20:7652 /21:5465 /22:8356 /23:10061 /24:66240
/25:141 /26:176 /27:86 /28:96 /29:69 /30:236
/31:19 /32:61
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 971 2407 Supernet, Inc.
701 508 1742 UUNET Technologies, Inc.
702 501 821 UUNET - Commercial IP service
7018 463 1401 AT&T
7843 457 665 Adelphia Corp.
690 455 506 Merit Network
7066 388 491 Virginia Polytechnic Institut
18566 370 377 Covad Communications
6197 334 444 BellSouth Network Solutions,
6198 333 415 BellSouth Network Solutions,
1239 306 913 Sprint
1580 300 314 ANOSCEUR
7046 278 587 UUNET Technologies, Inc.
22927 274 275 TELEFONICA DE ARGENTINA
11492 270 272 Cable One
6140 256 268 ImpSat USA, Inc.
3215 235 308 France Telecom Transpac
3301 226 379 TeliaNet Sweden
4355 223 403 EarthLink, Inc.
11537 220 226 University Corporation for Ad
Number of /24s announced per /8 block (Global)
----------------------------------------------
8:1 12:608 13:10 15:4 17:3 20:5
24:853 25:1 32:46 38:28 40:15 44:1
55:1 57:15 61:388 62:396 63:1923 64:1297
65:1676 66:1225 67:190 68:182 69:23 80:316
81:77 128:119 129:170 130:19 131:67 132:9
133:2 134:157 135:7 136:494 137:109 138:216
139:81 140:153 141:92 142:89 143:45 144:148
145:18 146:251 147:242 148:270 149:76 150:43
151:86 152:289 153:36 154:7 155:100 156:106
157:55 158:110 159:156 160:21 161:70 162:139
163:88 164:255 165:137 166:94 167:295 168:372
169:56 170:271 171:6 192:5414 193:2377 194:2008
195:843 196:459 198:3706 199:3126 200:2622 202:3579
203:4848 204:3565 205:2421 206:2377 207:2524 208:2588
209:2642 210:619 211:277 212:871 213:795 214:12
215:21 216:3038 217:519 218:64 219:14 220:1
End of report
-----
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