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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 07 Jul, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104881
Origin ASes present in the Internet Routing Table: 11227
Origin ASes announcing only one prefix: 4114
Transit ASes present in the Internet Routing Table: 1508
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: 31
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 16
Number of addresses announced to Internet: 1239075101
Equivalent to 73 /8s, 218 /16s and 201 /24s
Percentage of available address space announced: 33.4
Percentage of allocated address space announced: 64.9
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 71473
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15498
Prefixes being announced from the APNIC address blocks: 13972
APNIC Region origin ASes present in the Internet Routing Table: 1310
APNIC Region origin ASes announcing only one prefix: 458
APNIC Region transit ASes present in the Internet Routing Table: 225
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 72395022
Equivalent to 4 /8s, 80 /16s and 169 /24s
Percentage of available APNIC address space announced: 71.2
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: 72161
Prefixes being announced from the ARIN address blocks: 51685
ARIN Region origin ASes present in the Internet Routing Table: 6788
ARIN Region origin ASes announcing only one prefix: 2004
ARIN Region transit ASes present in the Internet Routing Table: 708
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 199796755
Equivalent to 11 /8s, 232 /16s and 168 /24s
Percentage of available ARIN address space announced: 79.4
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 - 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: 17222
Prefixes being announced from the RIPE address blocks: 13306
RIPE Region origin ASes present in the Internet Routing Table: 3144
RIPE Region origin ASes announcing only one prefix: 1652
RIPE Region transit ASes present in the Internet Routing Table: 574
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 101056548
Equivalent to 6 /8s, 6 /16s and 0 /24s
Percentage of available RIPE address space announced: 66.9
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 1697 1330 Telstra
2764 433 345 connect.com.au pty ltd
703 383 382 UUNET Technologies, Inc.
2907 366 1781 SINET Japan
4755 289 168 VSNL India
7474 236 293 Optus Communications
4134 232 1573 Data Communications Bureau
7539 209 183 TANet2, sponsored by NSC, TAI
4766 176 1242 KORnet Powered BY Korea Telec
7545 144 21 TPG Internet Pty Ltd
9443 132 38 INTERNETPRIMUS-AS-A
4786 128 17 NetConnect Communications Pty
4740 119 16 Ozemail
4763 118 69 Telstra New Zealand
17561 115 151 Internet service provision to
7586 113 17 Paradox Digital Pty. Ltd
7657 113 22 The Internet Group Limited
9583 111 60 Satyam Infoway Ltd.,
4713 107 869 NTT-OCNET
4732 104 357 DDI Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 658 1846 UUNET Technologies, Inc.
15870 427 12 Global Center Frankfurt
3301 426 918 TeliaNet Sweden
1257 279 504 Swipnet AB
1270 257 870 UUNET Germany
680 230 2053 Deutschef Forschurgsnetz
3215 221 495 RAIN
15878 212 8 Global Center Paris
719 188 291 LANLINK
786 183 1888 JANET IP Service
5515 176 654 Sonera Finland
3320 170 1410 Deutsche Telekom AG
8708 148 15 Romania Data System
5400 140 68 Concert Internet Plus Europea
3303 130 576 Swisscom
5549 129 67 Seicom Computer Gmb
517 127 272 Xlink
2856 120 776 BTnet UK Regional network
1267 106 1986 IUnet S.p.A
1290 98 406 PSINet UK Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2458 8068 UUNET Technologies, Inc.
7018 967 7104 AT&T
1 900 8714 BBN Planet
7046 739 1091 UUNET Technologies, Inc.
1239 673 3321 Sprint ICM-Inria
690 549 79 Merit Network
2914 519 2314 Verio, Inc.
4293 495 99 Cable & Wireless USA
209 494 1878 Qwest
3491 455 379 CAIS Internet
3561 453 2404 Cable & Wireless USA
705 435 63 UUNET Technologies, Inc.
2149 420 394 Performance Systems, Inc.
3908 413 583 Supernet, Inc.
2548 411 980 Digital Express Group, Inc.
18994 409 10 Global Crossing
3549 348 812 Global Crossing
3967 337 455 Exodus Communication
11371 337 100 Rhythms NetConnections
4323 333 314 Time Warner Communications, I
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2458 8068 UUNET Technologies, Inc.
1221 1697 1330 Telstra
7018 967 7104 AT&T
1 900 8714 BBN Planet
7046 739 1091 UUNET Technologies, Inc.
1239 673 3321 Sprint ICM-Inria
702 658 1846 UUNET Technologies, Inc.
690 549 79 Merit Network
2914 519 2314 Verio, Inc.
4293 495 99 Cable & Wireless USA
209 494 1878 Qwest
3491 455 379 CAIS Internet
3561 453 2404 Cable & Wireless USA
705 435 63 UUNET Technologies, Inc.
2764 433 345 connect.com.au pty ltd
15870 427 12 Global Center Frankfurt
3301 426 918 TeliaNet Sweden
2149 420 394 Performance Systems, Inc.
3908 413 583 Supernet, Inc.
2548 411 980 Digital Express Group, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
17675 UNALLOCATED 61.211.160.0/20 3549 Global Crossing
17682 UNALLOCATED 61.213.16.0/20 4713 NTT-OCNET
17682 UNALLOCATED 61.213.32.0/21 4713 NTT-OCNET
18563 UNALLOCATED 64.86.140.0/23 577 Bell Canada
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
21603 UNALLOCATED 192.100.202.0/24 6503 AVANTEL, S.A.
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,
21603 UNALLOCATED 200.13.90.0/24 6503 AVANTEL, S.A.
21603 UNALLOCATED 200.13.91.0/24 6503 AVANTEL, S.A.
21603 UNALLOCATED 200.13.92.0/24 6503 AVANTEL, S.A.
21603 UNALLOCATED 200.13.93.0/24 6503 AVANTEL, S.A.
21603 UNALLOCATED 200.13.94.0/24 6503 AVANTEL, S.A.
21603 UNALLOCATED 200.13.95.0/24 6503 AVANTEL, S.A.
21603 UNALLOCATED 200.33.97.0/24 278 Red Academica de Mex
17674 UNALLOCATED 202.6.156.0/22 9225 Level 3 Communicatio
9700 UNALLOCATED 202.30.50.0/23 3786 DACOM Corporation
17657 UNALLOCATED 202.161.160.0/20 9653 AGNS HongKong NET
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
99.0.0.0/8 9638 National Agricultural Coopera
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 /14:212 /15:354 /16:6915 /17:1186 /18:2194
/19:6744 /20:5356 /21:4513 /22:6803 /23:8635 /24:59502
/25:293 /26:362 /27:440 /28:449 /29:369 /30:336
/31:1 /32:67
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1592 2458 UUNET Technologies, Inc.
1221 1542 1697 Telstra
7046 571 739 UUNET Technologies, Inc.
690 546 549 Merit Network
4293 479 495 Cable & Wireless USA
7018 471 967 AT&T
3491 430 455 CAIS Internet
15870 423 427 Global Center Frankfurt
1 420 900 BBN Planet
702 410 658 UUNET Technologies, Inc.
18994 407 409 Global Crossing
705 392 435 UUNET Technologies, Inc.
2764 388 433 connect.com.au pty ltd
209 370 494 Qwest
1239 352 673 Sprint ICM-Inria
11371 324 337 Rhythms NetConnections
703 312 383 UUNET Technologies, Inc.
3908 310 413 Supernet, Inc.
18993 310 314 Global Crossing
2548 303 411 Digital Express Group, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:573 13:13 15:11
17:13 20:4 24:838 26:1 32:34 35:2
38:369 40:2 43:4 44:11 45:1 47:39
52:2 53:4 55:1 56:5 57:15 61:119
62:195 63:2505 64:2711 65:1225 66:746 80:24
128:60 129:201 130:54 131:63 132:40 133:1
134:235 135:12 136:36 137:177 138:278 139:84
140:241 141:225 142:113 143:98 144:191 145:31
146:192 147:178 148:206 149:135 150:62 151:265
152:1101 153:38 154:24 155:150 156:94 157:156
158:102 159:102 160:83 161:134 162:162 163:221
164:181 165:248 166:257 167:155 168:199 169:54
170:430 171:20 172:1 192:34 193:2583 194:2741
195:1055 196:4 198:5 199:3846 200:2705 202:3749
203:5815 204:4347 205:2906 206:4107 207:3704 208:5157
209:4101 210:775 211:288 212:1152 213:662 216:4727
217:431 218:3
End of report
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