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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 11 Oct, 2002
Analysis Summary
----------------
BGP routing table entries examined: 116047
Prefixes after maximum aggregation: 74594
Unique aggregates announced to Internet: 55369
Total ASes present in the Internet Routing Table: 13890
Origin-only ASes present in the Internet Routing Table: 12024
Origin ASes announcing only one prefix: 5384
Transit ASes present in the Internet Routing Table: 1866
Transit-only ASes present in the Internet Routing Table: 57
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 18
Illegal AS announcements present in the Routing Table: 1
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 35
Number of addresses announced to Internet: 1191976840
Equivalent to 71 /8s, 12 /16s and 31 /24s
Percentage of available address space announced: 32.2
Percentage of allocated address space announced: 58.9
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 48282
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18882
Total APNIC prefixes after maximum aggregation: 11416
Prefixes being announced from the APNIC address blocks: 17387
Unique aggregates announced from the APNIC address blocks: 11010
APNIC Region origin ASes present in the Internet Routing Table: 1618
APNIC Region origin ASes announcing only one prefix: 516
APNIC Region transit ASes present in the Internet Routing Table: 279
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 98137504
Equivalent to 5 /8s, 217 /16s and 117 /24s
Percentage of available APNIC address space announced: 64.5
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: 72702
Total ARIN prefixes after maximum aggregation: 46189
Prefixes being announced from the ARIN address blocks: 50871
Unique aggregates announced from the ARIN address blocks: 15355
ARIN Region origin ASes present in the Internet Routing Table: 7815
ARIN Region origin ASes announcing only one prefix: 2579
ARIN Region transit ASes present in the Internet Routing Table: 749
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 181456224
Equivalent to 10 /8s, 208 /16s and 205 /24s
Percentage of available ARIN address space announced: 67.6
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: 19796
Total RIPE prefixes after maximum aggregation: 14934
Prefixes being announced from the RIPE address blocks: 16469
Unique aggregates announced from the RIPE address blocks: 10874
RIPE Region origin ASes present in the Internet Routing Table: 4085
RIPE Region origin ASes announcing only one prefix: 2208
RIPE Region transit ASes present in the Internet Routing Table: 760
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 115789696
Equivalent to 6 /8s, 230 /16s and 207 /24s
Percentage of available RIPE address space announced: 76.7
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, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 4667
Total LACNIC prefixes after maximum aggregation: 2055
Prefixes being announced from the LACNIC address blocks: 4107
Unique aggregates announced from the LACNIC address blocks: 2612
LACNIC Region origin ASes present in the Internet Routing Table: 315
LACNIC Region origin ASes announcing only one prefix: 81
LACNIC Region transit ASes present in the Internet Routing Table: 66
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11408640
Equivalent to 0 /8s, 174 /16s and 21 /24s
Percentage of available LACNIC address space announced: 68.0
LACNIC AS Blocks 26592 - 26623
LACNIC Address Blocks 200/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1198 1187 878 Telstra Pty Ltd
703 396 368 312 UUNET
2907 361 1831 341 SINET Japan
2764 343 356 315 connect.com.au pty ltd
7474 302 275 206 Optus Communications Pty Ltd
4134 293 2268 95 Data Communications Bureau
17557 292 21 113 Pakistan Telecom
4755 271 139 74 Videsh Sanchar Nigam Ltd. Aut
4766 249 1808 157 Korea Internet Exchange for "
4814 225 79 15 China Telecom (Group)
17676 224 3506 31 XTAGE CORPORATION
9443 185 57 72 Primus Telecommunications
9583 174 32 5 Satyam Infoway Ltd.,
4515 136 102 77 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
4716 128 736 122 TTnet
7657 127 22 84 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4739 117 56 108 Commerical Internet eXchange
4713 115 1049 104 NTT Communications Corporatio
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1785 9199 1279 UUNET Technologies, Inc.
7018 1344 7180 935 AT&T
3908 1051 1651 505 Supernet, Inc.
1239 877 3186 655 Sprint
852 736 1145 456 Telus Advanced Communications
7843 722 371 308 Adelphia Corp.
1 659 8060 437 GENUITY
7132 594 672 69 Southwestern Bell Internet Se
7046 578 878 303 UUNET Technologies, Inc.
209 577 2064 335 Qwest
4323 519 439 165 Time Warner Communications, I
690 518 75 325 Merit Network
7066 490 204 257 Virginia Polytechnic Institut
2548 438 1118 270 Business Internet, Inc.
705 411 130 201 UUNET Technologies, Inc.
3549 407 725 293 Global Crossing
6198 395 180 195 BellSouth Network Solutions,
6197 392 601 40 BellSouth Network Solutions,
4355 379 292 104 EarthLink, Inc.
2914 369 2027 362 Verio, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 910 2407 727 UUNET - Commercial IP service
3301 381 1164 337 TeliaNet Sweden
3215 296 677 172 France Telecom Transpac
3320 243 1966 220 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5515 212 783 176 Sonera Solution Autonomous Sy
1257 205 444 201 SWIPnet Swedish IP Network
5400 205 83 97 BT Ignite European Backbone
719 192 307 131 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
8708 163 41 146 Romania Data Systems S.A.
2856 160 790 138 BTnet UK Regional network
3303 144 532 143 Swisscom Ltd
12302 123 18 30 MobiFon S.A.
3246 122 373 115 Song Networks
8220 112 168 104 COLT Internet - International
5511 110 192 88 France Telecom
3233 107 10 8 RNC - Romanian Natioanal R&D
3269 106 690 64 TELECOM ITALIA
2874 103 85 39 Global One Services AB
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 204 330 111 UniNet S.A. de C.V.
7303 174 27 49 Telecom Argentina Stet-France
11172 169 88 34 Servicios Alestra S.A de C.V
6140 154 78 45 ImpSat USA, Inc.
6503 150 174 108 AVANTEL, S.A.
16814 106 7 12 NSS, S.A.
13999 105 20 7 Mega Cable S.A. de C.V.
10620 99 6 30 TVCABLE BOGOTA
11340 79 2 24 Red Universitaria Nacional
15311 76 26 32 Telefonica Empresas
1916 74 425 41 Fundacao de Amparo a Pesquisa
11992 72 7 30 Integrated Systems
4270 68 18 10 Red de Interconexion Universi
15034 63 5 33 TIBA SA
2277 62 16 3 ECUANET - CORPORACION ECUATOR
4926 62 4 50 Telintar S.A.
7984 62 27 42 Global One Colombia
8065 60 6 16 Empresas Publicas de Medellin
7927 58 4 40 Global One Venezuela
6535 55 4 15 Chilesat Servicios Empresari
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1051 546 Supernet, Inc.
7132 594 525 Southwestern Bell Internet Se
7843 722 414 Adelphia Corp.
7018 1344 409 AT&T
4323 519 354 Time Warner Communications, I
6197 392 352 BellSouth Network Solutions,
1221 1198 320 Telstra Pty Ltd
1580 320 308 ANOSCEUR
18566 298 294 Covad Communications
852 736 280 Telus Advanced Communications
4151 292 276 USDA
7046 578 275 UUNET Technologies, Inc.
4355 379 275 EarthLink, Inc.
6347 346 271 SAVVIS Communications Corpora
209 577 242 Qwest
7066 490 233 Virginia Polytechnic Institut
376 341 231 Reseau Interordinateurs Scien
1239 877 222 Sprint
1 659 222 GENUITY
705 411 210 UUNET Technologies, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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
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 /8:18 /9:6 /10:7 /11:12 /12:38
/13:90 /14:240 /15:430 /16:7262 /17:1504 /18:2720
/19:7888 /20:7548 /21:5317 /22:8188 /23:9906 /24:64089
/25:177 /26:221 /27:115 /28:76 /29:55 /30:101
/31:0 /32:39
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 621 1051 Supernet, Inc.
702 572 910 UUNET - Commercial IP service
7843 534 722 Adelphia Corp.
701 491 1785 UUNET Technologies, Inc.
690 465 518 Merit Network
7018 429 1344 AT&T
7066 388 490 Virginia Polytechnic Institut
6198 311 395 BellSouth Network Solutions,
1580 307 320 ANOSCEUR
18566 292 298 Covad Communications
6197 276 392 BellSouth Network Solutions,
1239 263 877 Sprint
7046 263 578 UUNET Technologies, Inc.
209 258 577 Qwest
3215 227 296 France Telecom Transpac
3301 226 381 TeliaNet Sweden
11492 219 224 Cable One
4355 217 379 EarthLink, Inc.
705 187 411 UUNET Technologies, Inc.
3320 185 243 Deutsche Telekom AG
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 12:550 13:10 15:4 17:7 20:4
24:836 25:1 32:42 38:23 40:8 44:1
55:1 57:14 61:358 62:244 63:1870 64:1276
65:1583 66:1191 67:110 68:140 69:8 80:303
81:62 128:115 129:126 130:19 131:62 132:9
133:2 134:128 135:9 136:512 137:111 138:202
139:71 140:167 141:66 142:69 143:49 144:153
145:17 146:240 147:224 148:247 149:81 150:41
151:77 152:295 153:41 154:8 155:104 156:102
157:105 158:72 159:138 160:21 161:74 162:123
163:86 164:260 165:127 166:105 167:284 168:301
169:62 170:194 171:6 192:5386 193:2429 194:2021
195:822 196:439 198:3617 199:3083 200:2528 202:3452
203:4826 204:3291 205:2115 206:2391 207:2471 208:2575
209:2590 210:595 211:276 212:886 213:777 214:9
215:19 216:2963 217:521 218:50 219:2
End of report
-----
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