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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 09 Jul, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104915
Origin ASes present in the Internet Routing Table: 11221
Origin ASes announcing only one prefix: 4100
Transit ASes present in the Internet Routing Table: 1503
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: 35
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: 1256314821
Equivalent to 74 /8s, 225 /16s and 215 /24s
Percentage of available address space announced: 33.9
Percentage of allocated address space announced: 65.8
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 71507
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15534
Prefixes being announced from the APNIC address blocks: 13995
APNIC Region origin ASes present in the Internet Routing Table: 1306
APNIC Region origin ASes announcing only one prefix: 455
APNIC Region transit ASes present in the Internet Routing Table: 222
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 72420662
Equivalent to 4 /8s, 81 /16s and 13 /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: 72158
Prefixes being announced from the ARIN address blocks: 51701
ARIN Region origin ASes present in the Internet Routing Table: 6790
ARIN Region origin ASes announcing only one prefix: 1994
ARIN Region transit ASes present in the Internet Routing Table: 703
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 216601099
Equivalent to 12 /8s, 233 /16s and 18 /24s
Percentage of available ARIN address space announced: 86.1
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: 17223
Prefixes being announced from the RIPE address blocks: 13308
RIPE Region origin ASes present in the Internet Routing Table: 3145
RIPE Region origin ASes announcing only one prefix: 1651
RIPE Region transit ASes present in the Internet Routing Table: 577
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 100831532
Equivalent to 6 /8s, 2 /16s and 145 /24s
Percentage of available RIPE address space announced: 66.8
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 1695 1330 Telstra
2764 433 345 connect.com.au pty ltd
703 383 382 UUNET Technologies, Inc.
2907 366 1781 SINET Japan
4755 294 169 VSNL India
7474 237 293 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 145 21 TPG Internet Pty Ltd
9443 132 38 INTERNETPRIMUS-AS-A
4786 129 17 NetConnect Communications Pty
4740 119 16 Ozemail
4763 118 69 Telstra New Zealand
17561 115 151 Internet service provision to
9583 114 60 Satyam Infoway Ltd.,
7586 113 17 Paradox Digital Pty. Ltd
7657 113 22 The Internet Group Limited
4713 107 869 NTT-OCNET
4732 105 357 DDI Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 657 1846 UUNET Technologies, Inc.
3301 426 918 TeliaNet Sweden
15870 426 12 Global Center Frankfurt
1257 277 503 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 172 653 Sonera Finland
3320 170 1410 Deutsche Telekom AG
8708 148 15 Romania Data System
5400 139 66 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
8503 104 3 PCNET - PCNET DATA Network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2443 8048 UUNET Technologies, Inc.
7018 964 7088 AT&T
1 913 8731 BBN Planet
7046 737 1090 UUNET Technologies, Inc.
1239 671 3334 Sprint ICM-Inria
690 549 79 Merit Network
2914 518 2314 Verio, Inc.
4293 495 99 Cable & Wireless USA
209 492 1875 Qwest
3491 457 379 CAIS Internet
3561 448 2387 Cable & Wireless USA
705 435 63 UUNET Technologies, Inc.
2149 417 4489 Performance Systems, Inc.
3908 416 583 Supernet, Inc.
2548 412 980 Digital Express Group, Inc.
18994 409 10 Global Crossing
3549 346 812 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 2443 8048 UUNET Technologies, Inc.
1221 1695 1330 Telstra
7018 964 7088 AT&T
1 913 8731 BBN Planet
7046 737 1090 UUNET Technologies, Inc.
1239 671 3334 Sprint ICM-Inria
702 657 1846 UUNET Technologies, Inc.
690 549 79 Merit Network
2914 518 2314 Verio, Inc.
4293 495 99 Cable & Wireless USA
209 492 1875 Qwest
3491 457 379 CAIS Internet
3561 448 2387 Cable & Wireless USA
705 435 63 UUNET Technologies, Inc.
2764 433 345 connect.com.au pty ltd
3301 426 918 TeliaNet Sweden
15870 426 12 Global Center Frankfurt
2149 417 4489 Performance Systems, Inc.
3908 416 583 Supernet, Inc.
2548 412 980 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
18709 UNALLOCATED 63.85.100.0/24 701 UUNET Technologies,
18704 UNALLOCATED 64.43.0.0/16 11853 InterNAP
18563 UNALLOCATED 64.86.140.0/23 577 Bell Canada
18706 UNALLOCATED 64.157.228.0/24 3356 Level 3 Communicatio
578 UNALLOCATED 64.230.242.0/27 577 Bell Canada
18703 UNALLOCATED 129.41.32.0/20 701 UUNET Technologies,
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 200.33.97.0/24 278 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
4831 UNALLOCATED 202.172.32.0/20 9740 Cable & Wireless 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 /8:21 /9:5 /10:6 /11:9 /12:32
/13:78 /14:212 /15:353 /16:6924 /17:1188 /18:2190
/19:6743 /20:5355 /21:4509 /22:6820 /23:8651 /24:59498
/25:291 /26:361 /27:439 /28:449 /29:369 /30:336
/31:1 /32:75
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1581 2443 UUNET Technologies, Inc.
1221 1540 1695 Telstra
7046 570 737 UUNET Technologies, Inc.
690 546 549 Merit Network
4293 479 495 Cable & Wireless USA
7018 469 964 AT&T
3491 432 457 CAIS Internet
1 429 913 BBN Planet
15870 422 426 Global Center Frankfurt
702 409 657 UUNET Technologies, Inc.
18994 407 409 Global Crossing
705 392 435 UUNET Technologies, Inc.
2764 388 433 connect.com.au pty ltd
209 369 492 Qwest
1239 354 671 Sprint ICM-Inria
11371 324 337 Rhythms NetConnections
3908 314 416 Supernet, Inc.
703 312 383 UUNET Technologies, Inc.
18993 310 314 Global Crossing
2548 304 412 Digital Express Group, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:574 13:13 15:11
17:13 20:4 24:838 26:1 32:35 35:2
38:372 40:2 43:4 44:11 45:1 47:40
52:2 53:4 55:1 56:5 57:15 61:119
62:199 63:2500 64:2714 65:1237 66:742 80:24
128:62 129:201 130:54 131:63 132:40 133:1
134:233 135:11 136:36 137:177 138:237 139:84
140:248 141:225 142:113 143:98 144:191 145:31
146:192 147:178 148:222 149:135 150:62 151:264
152:1095 153:38 154:24 155:150 156:92 157:156
158:112 159:102 160:83 161:134 162:162 163:219
164:181 165:248 166:257 167:155 168:197 169:54
170:432 171:20 172:1 192:34 193:2576 194:2732
195:1048 196:4 198:5 199:3851 200:2695 202:3778
203:5813 204:4356 205:2904 206:4124 207:3696 208:5189
209:4095 210:773 211:288 212:1162 213:670 216:4706
217:433 218:3
End of report
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