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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 Apr, 2001
Analysis Summary
----------------
BGP routing table entries examined: 103582
Origin ASes present in the Internet Routing Table: 10627
Origin ASes announcing only one prefix: 3859
Transit ASes present in the Internet Routing Table: 1419
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: 30
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 2
Number of addresses announced to Internet: 1238944194
Equivalent to 73 /8s, 216 /16s and 201 /24s
Percentage of available address space announced: 33.4
Percentage of allocated address space announced: 65.6
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15709
Prefixes being announced from the APNIC address blocks: 14234
APNIC Region origin ASes present in the Internet Routing Table: 1234
APNIC Region origin ASes announcing only one prefix: 443
APNIC Region transit ASes present in the Internet Routing Table: 197
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 71451998
Equivalent to 4 /8s, 66 /16s and 69 /24s
Percentage of available APNIC address space announced: 70.2
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: 71717
Prefixes being announced from the ARIN address blocks: 49037
ARIN Region origin ASes present in the Internet Routing Table: 6464
ARIN Region origin ASes announcing only one prefix: 1924
ARIN Region transit ASes present in the Internet Routing Table: 677
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 180582087
Equivalent to 10 /8s, 195 /16s and 118 /24s
Percentage of available ARIN address space announced: 82.8
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
ARIN Address Blocks 63/8, 64/7, 66/8, 199/8, 200/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 16126
Prefixes being announced from the RIPE address blocks: 12851
RIPE Region origin ASes present in the Internet Routing Table: 2932
RIPE Region origin ASes announcing only one prefix: 1492
RIPE Region transit ASes present in the Internet Routing Table: 543
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 96763617
Equivalent to 5 /8s, 196 /16s and 126 /24s
Percentage of available RIPE address space announced: 82.4
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, 193/8, 194/7, 212/7 and 217/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /19 equiv Description
1221 1997 684 Telstra
2764 425 147 connect.com.au pty ltd
703 389 205 UUNET Technologies, Inc.
2907 363 875 SINET Japan
4755 322 112 VSNL India
4538 236 1038 China Education and Research
7539 224 101 Delegated to TWNIC for subseq
4134 192 623 Data Communications Bureau
4766 187 770 KORnet Powered BY Korea Telec
7474 180 85 Optus Communications
9269 161 22 Hong Kong CTI
1237 155 70 System Engineering Research I
4740 153 10 Ozemail
7657 153 12 The Internet Group Limited
17561 151 61 Internet service provision to
7545 147 10 TPG Internet Pty Ltd
4786 129 7 NetConnect Communications Pty
7617 124 46 One.Net Pty Ltd
7586 123 9 Paradox Digital Pty. Ltd
9443 118 22 INTERNETPRIMUS-AS-A
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
702 474 645 UUNET Technologies, Inc.
3301 389 337 TeliaNet Sweden
1270 279 448 UUNET Germany
1257 277 247 Swipnet AB
680 207 914 Deutschef Forschurgsnetz
3215 207 228 RAIN
5515 190 336 Sonera Finland
719 189 146 LANLINK
786 185 959 JANET IP Service
3320 160 710 Deutsche Telekom AG
3352 147 244 Ibernet, Internet A
5400 129 41 Concert Internet Plus Europea
517 127 134 Xlink
3303 123 298 Swisscom
2856 122 388 BTnet UK Regional network
8708 117 5 Romania Data System
1290 116 206 PSINet UK Ltd.
1849 107 223 UUNET UK (formerly PIPEX)
1267 100 978 IUnet S.p.A
2830 98 47 UUNET UK (formerly PIPEX)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2410 3615 UUNET Technologies, Inc.
705 1614 69 UUNET Technologies, Inc.
1 967 4480 BBN Planet
7018 957 3166 AT&T
7046 793 552 UUNET Technologies, Inc.
1239 641 1588 Sprint ICM-Inria
2914 606 1202 Verio, Inc.
3561 566 1249 Cable & Wireless USA
174 538 2758 PSINet Inc.
3549 499 514 Global Crossing
4293 479 52 Cable & Wireless USA
209 449 707 Qwest
690 426 51 Merit Network
2548 407 514 Digital Express Group, Inc.
3908 375 262 Supernet, Inc.
8151 362 218 UniNet S.A. de C.V.
4323 337 136 Time Warner Communications, I
3967 336 226 Exodus Communication
11371 332 50 Rhythms NetConnections
8013 331 54 PSINet Ltd. Canada
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2410 3615 UUNET Technologies, Inc.
1221 1997 684 Telstra
705 1614 69 UUNET Technologies, Inc.
1 967 4480 BBN Planet
7018 957 3166 AT&T
7046 793 552 UUNET Technologies, Inc.
1239 641 1588 Sprint ICM-Inria
2914 606 1202 Verio, Inc.
3561 566 1249 Cable & Wireless USA
174 538 2758 PSINet Inc.
3549 499 514 Global Crossing
4293 479 52 Cable & Wireless USA
702 474 645 UUNET Technologies, Inc.
209 449 707 Qwest
690 426 51 Merit Network
2764 425 147 connect.com.au pty ltd
2548 407 514 Digital Express Group, Inc.
703 389 205 UUNET Technologies, Inc.
3301 389 337 TeliaNet Sweden
3908 375 262 Supernet, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65515 PRIVATE 62.229.132.0/24 8876 Global One Turkey IP
60002 RESERVED 64.76.148.0/24 19583 CHILE S.A.
2027 UNALLOCATED 150.185.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
2027 UNALLOCATED 150.186.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.187.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.188.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.189.0.0/16 10530 Interpacket Group, I
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,
60002 RESERVED 200.9.98.0/24 6429 RdC Internet
60002 RESERVED 200.9.99.0/24 6429 RdC Internet
64532 PRIVATE 202.139.116.128/27 7474 Optus Communications
64532 PRIVATE 202.139.116.192/27 7474 Optus Communications
64532 PRIVATE 202.139.116.224/29 7474 Optus Communications
64532 PRIVATE 202.139.116.240/29 7474 Optus Communications
64532 PRIVATE 202.139.116.248/29 7474 Optus Communications
65535 PRIVATE 203.24.169.0/24 17486 Swiftel Communicatio
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
65002 PRIVATE 203.199.45.0/24 4755 VSNL India
65002 PRIVATE 203.199.46.0/24 4755 VSNL India
64555 PRIVATE 203.202.9.88/29 7474 Optus Communications
64560 PRIVATE 203.202.14.80/28 7474 Optus Communications
5555 UNALLOCATED 205.110.64.0/24 721 DLA Systems Automati
5555 UNALLOCATED 205.110.68.0/22 721 DLA Systems Automati
5555 UNALLOCATED 205.110.72.0/21 721 DLA Systems Automati
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised IANA Reserved Addresses
----------------------------------
Network Origin AS Description
223.255.46.0/24 6853 GLOBAL-ONE-PORTUGAL
223.255.70.0/24 6853 GLOBAL-ONE-PORTUGAL
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:22 /9:4 /10:4 /11:10 /12:29
/13:67 /14:204 /15:328 /16:6936 /17:1127 /18:2106
/19:6591 /20:5069 /21:4427 /22:6738 /23:8630 /24:59893
/25:269 /26:406 /27:211 /28:193 /29:132 /30:125
/31:1 /32:60
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:351 13:10 15:1 17:1 24:703
26:1 32:23 38:7 44:3 47:1 53:2
55:1 57:11 61:29 62:128 63:1925 64:1465
65:972 66:272 128:30 129:113 130:21 131:26
132:9 133:1 134:168 135:8 136:16 137:117
138:249 139:62 140:146 141:175 142:61 143:41
144:131 145:9 146:132 147:132 148:141 149:135
150:26 151:299 152:798 153:33 154:17 155:80
156:40 157:106 158:62 159:83 160:28 161:57
162:61 163:135 164:123 165:126 166:176 167:133
168:83 169:34 170:217 171:2 192:5398 193:1940
194:2039 195:779 196:404 198:3657 199:3385 200:1935
202:2479 203:5002 204:3364 205:2253 206:2716 207:2844
208:2894 209:3192 210:479 211:190 212:856 213:394
214:9 215:11 216:2922 217:198 223:2
End of report
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