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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 23 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 105430
Origin ASes present in the Internet Routing Table: 11149
Origin ASes announcing only one prefix: 4057
Transit ASes present in the Internet Routing Table: 1488
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 16
Illegal AS announcements present in the Routing Table: 17
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 15
Number of addresses announced to Internet: 1236913985
Equivalent to 73 /8s, 185 /16s and 207 /24s
Percentage of available address space announced: 33.4
Percentage of allocated address space announced: 64.8
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 72114
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15429
Prefixes being announced from the APNIC address blocks: 13982
APNIC Region origin ASes present in the Internet Routing Table: 1293
APNIC Region origin ASes announcing only one prefix: 458
APNIC Region transit ASes present in the Internet Routing Table: 217
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 71304380
Equivalent to 4 /8s, 64 /16s and 4 /24s
Percentage of available APNIC address space announced: 70.1
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431
APNIC Address Blocks 61/8, 202/7, 210/7 and 218/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 72977
Prefixes being announced from the ARIN address blocks: 52238
ARIN Region origin ASes present in the Internet Routing Table: 6764
ARIN Region origin ASes announcing only one prefix: 1994
ARIN Region transit ASes present in the Internet Routing Table: 702
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 216908129
Equivalent to 12 /8s, 237 /16s and 193 /24s
Percentage of available ARIN address space announced: 86.2
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 - 22527
ARIN Address Blocks 24/8, 63/8, 64/6, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 17024
Prefixes being announced from the RIPE address blocks: 13110
RIPE Region origin ASes present in the Internet Routing Table: 3101
RIPE Region origin ASes announcing only one prefix: 1605
RIPE Region transit ASes present in the Internet Routing Table: 568
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 100650071
Equivalent to 5 /8s, 255 /16s and 204 /24s
Percentage of available RIPE address space announced: 66.7
RIPE AS Blocks 1877 - 1901, 2042, 2047, 2107 - 2136, 2585 - 2614
2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
20480 - 21503
RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv Description
1221 1746 1348 Telstra
2764 453 329 connect.com.au pty ltd
703 382 380 UUNET Technologies, Inc.
2907 368 1783 SINET Japan
4755 344 185 VSNL India
7474 229 275 Optus Communications
4134 208 1439 Data Communications Bureau
7539 208 181 TANet2, sponsored by NSC, TAI
4766 179 1258 KORnet Powered BY Korea Telec
7545 148 23 TPG Internet Pty Ltd
7657 134 24 The Internet Group Limited
9443 132 38 INTERNETPRIMUS-AS-A
4786 125 15 NetConnect Communications Pty
4740 120 16 Ozemail
4763 117 85 Telstra New Zealand
9583 117 60 Satyam Infoway Ltd.,
17561 115 151 Internet service provision to
7586 113 17 Paradox Digital Pty. Ltd
4713 107 869 NTT-OCNET
9797 104 32 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 655 1780 UUNET Technologies, Inc.
15870 432 8 Global Center Frankfurt
3301 408 916 TeliaNet Sweden
1257 282 504 Swipnet AB
1270 263 873 UUNET Germany
680 229 2053 Deutschef Forschurgsnetz
15878 216 8 Global Center Paris
3215 211 495 RAIN
719 185 291 LANLINK
786 185 1904 JANET IP Service
5515 175 654 Sonera Finland
3320 167 1410 Deutsche Telekom AG
8708 141 14 Romania Data System
5400 138 68 Concert Internet Plus Europea
517 130 272 Xlink
3303 130 576 Swisscom
2856 120 776 BTnet UK Regional network
1267 100 1954 IUnet S.p.A
1290 96 406 PSINet UK Ltd.
3269 92 663 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2464 8054 UUNET Technologies, Inc.
1 941 8826 BBN Planet
7018 937 6973 AT&T
7046 779 1094 UUNET Technologies, Inc.
3491 676 392 CAIS Internet
1239 655 3233 Sprint ICM-Inria
2914 552 2348 Verio, Inc.
690 549 92 Merit Network
3561 542 2474 Cable & Wireless USA
3908 501 566 Supernet, Inc.
4293 497 101 Cable & Wireless USA
209 478 1855 Qwest
18994 428 11 Global Crossing
2548 415 995 Digital Express Group, Inc.
2149 406 408 Performance Systems, Inc.
3549 398 1041 Global Crossing
5106 358 136 Ameritech Advanced Data Servi
4323 345 314 Time Warner Communications, I
11371 335 100 Rhythms NetConnections
15290 333 429 AT&T Canada IES
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2464 8054 UUNET Technologies, Inc.
1221 1746 1348 Telstra
1 941 8826 BBN Planet
7018 937 6973 AT&T
7046 779 1094 UUNET Technologies, Inc.
3491 676 392 CAIS Internet
702 655 1780 UUNET Technologies, Inc.
1239 655 3233 Sprint ICM-Inria
2914 552 2348 Verio, Inc.
690 549 92 Merit Network
3561 542 2474 Cable & Wireless USA
3908 501 566 Supernet, Inc.
4293 497 101 Cable & Wireless USA
209 478 1855 Qwest
2764 453 329 connect.com.au pty ltd
15870 432 8 Global Center Frankfurt
18994 428 11 Global Crossing
2548 415 995 Digital Express Group, Inc.
3301 408 916 TeliaNet Sweden
2149 406 408 Performance Systems, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
578 UNALLOCATED 64.230.242.0/27 577 Bell Canada
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
6020 UNALLOCATED 164.233.0.0/16 209 Qwest
5962 UNALLOCATED 192.41.249.0/24 721 DLA Systems Automati
1877 UNALLOCATED 192.108.196.0/24 1800 SPRINT
1877 UNALLOCATED 192.108.209.0/24 1880 Stupi, house man's
1877 UNALLOCATED 192.108.210.0/24 1880 Stupi, house man's
1877 UNALLOCATED 192.108.214.0/24 1800 SPRINT
5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies,
9700 UNALLOCATED 202.30.50.0/23 3786 DACOM Corporation
9700 UNALLOCATED 203.255.208.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.209.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.210.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.211.0/24 3786 DACOM Corporation
5954 UNALLOCATED 204.130.191.0/24 721 DLA Systems Automati
5979 UNALLOCATED 206.197.206.0/24 721 DLA Systems Automati
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
128.65.0.0/16 3463 ACES Research Inc
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 BBN Planet
144.7.0.0/16 701 UUNET Technologies, Inc.
153.34.0.0/15 701 UUNET Technologies, Inc.
153.36.0.0/14 701 UUNET Technologies, Inc.
154.150.0.0/16 6494 IDCI
158.0.0.0/13 568 DISO-UNRRA
164.233.0.0/16 6020 >>UNKNOWN<<
172.32.1.0/25 1221 Telstra
172.122.0.0/16 701 UUNET Technologies, Inc.
201.115.100.0/24 7018 AT&T
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:5 /10:6 /11:9 /12:32
/13:78 /14:210 /15:353 /16:6899 /17:1179 /18:2182
/19:6749 /20:5304 /21:4506 /22:6798 /23:8678 /24:60044
/25:276 /26:352 /27:510 /28:455 /29:376 /30:317
/31:1 /32:91
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1606 2464 UUNET Technologies, Inc.
1221 1589 1746 Telstra
3491 651 676 CAIS Internet
7046 615 779 UUNET Technologies, Inc.
690 545 549 Merit Network
4293 480 497 Cable & Wireless USA
7018 448 937 AT&T
1 446 941 BBN Planet
15870 430 432 Global Center Frankfurt
18994 426 428 Global Crossing
702 413 655 UUNET Technologies, Inc.
2764 409 453 connect.com.au pty ltd
3908 402 501 Supernet, Inc.
209 358 478 Qwest
5106 347 358 Ameritech Advanced Data Servi
1239 337 655 Sprint ICM-Inria
3561 332 542 Cable & Wireless USA
11371 322 335 Rhythms NetConnections
18993 319 322 Global Crossing
703 312 382 UUNET Technologies, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:566 13:13 15:9
17:13 20:2 24:857 26:1 32:33 35:4
38:572 40:2 44:11 47:38 52:2 53:4
55:1 56:5 57:16 61:89 62:201 63:2574
64:2823 65:1063 66:719 80:12 128:61 129:198
130:55 131:64 132:40 133:1 134:237 135:16
136:31 137:176 138:237 139:85 140:248 141:225
142:147 143:99 144:186 145:31 146:191 147:171
148:210 149:174 150:63 151:262 152:1121 153:37
154:27 155:142 156:75 157:153 158:104 159:105
160:71 161:132 162:161 163:215 164:189 165:281
166:258 167:150 168:199 169:55 170:434 171:20
172:1 192:33 193:2555 194:2727 195:1025 196:4
198:7 199:3933 200:2729 202:3694 203:5969 204:4357
205:2940 206:4172 207:3826 208:5181 209:4191 210:774
211:282 212:1169 213:599 216:4765 217:392 218:3
End of report
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