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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 16 Apr, 2001
Analysis Summary
----------------
BGP routing table entries examined: 102957
Origin ASes present in the Internet Routing Table: 10577
Origin ASes announcing only one prefix: 3798
Transit ASes present in the Internet Routing Table: 1423
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 15
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: 2
Number of addresses announced to Internet: 1237825464
Equivalent to 73 /8s, 199 /16s and 183 /24s
Percentage of available address space announced: 33.4
Percentage of allocated address space announced: 65.5
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15610
Prefixes being announced from the APNIC address blocks: 14116
APNIC Region origin ASes present in the Internet Routing Table: 1224
APNIC Region origin ASes announcing only one prefix: 434
APNIC Region transit ASes present in the Internet Routing Table: 200
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 70328602
Equivalent to 4 /8s, 49 /16s and 33 /24s
Percentage of available APNIC address space announced: 69.1
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: 71222
Prefixes being announced from the ARIN address blocks: 48803
ARIN Region origin ASes present in the Internet Routing Table: 6438
ARIN Region origin ASes announcing only one prefix: 1894
ARIN Region transit ASes present in the Internet Routing Table: 675
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 181162305
Equivalent to 10 /8s, 204 /16s and 81 /24s
Percentage of available ARIN address space announced: 83.1
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
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: 16108
Prefixes being announced from the RIPE address blocks: 12775
RIPE Region origin ASes present in the Internet Routing Table: 2913
RIPE Region origin ASes announcing only one prefix: 1470
RIPE Region transit ASes present in the Internet Routing Table: 546
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 96660905
Equivalent to 5 /8s, 194 /16s and 237 /24s
Percentage of available RIPE address space announced: 82.3
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 2000 684 Telstra
2764 427 147 connect.com.au pty ltd
703 378 204 UUNET Technologies, Inc.
2907 363 884 SINET Japan
4755 299 110 VSNL India
4538 229 940 China Education and Research
7539 212 105 Delegated to TWNIC for subseq
4134 186 614 Data Communications Bureau
4766 186 769 KORnet Powered BY Korea Telec
7474 177 85 Optus Communications
1237 163 71 System Engineering Research I
9269 160 22 Hong Kong CTI
7657 155 12 The Internet Group Limited
4740 153 10 Ozemail
17561 150 60 Internet service provision to
4786 128 7 NetConnect Communications Pty
7545 127 9 TPG Internet Pty Ltd
7617 124 46 One.Net Pty Ltd
7586 123 9 Paradox Digital Pty. Ltd
9797 121 10 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
702 465 662 UUNET Technologies, Inc.
3301 390 337 TeliaNet Sweden
1257 279 247 Swipnet AB
1270 277 448 UUNET Germany
680 206 913 Deutschef Forschurgsnetz
3215 205 227 RAIN
719 191 146 LANLINK
5515 190 336 Sonera Finland
786 184 959 JANET IP Service
3320 159 710 Deutsche Telekom AG
517 128 134 Xlink
5400 125 33 Concert Internet Plus Europea
3303 123 298 Swisscom
2856 122 388 BTnet UK Regional network
1290 115 206 PSINet UK Ltd.
8708 112 5 Romania Data System
1849 108 224 UUNET UK (formerly PIPEX)
3352 108 241 Ibernet, Internet A
1267 97 978 IUnet S.p.A
1901 97 77 EUnet Austria
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2423 3611 UUNET Technologies, Inc.
705 1403 62 UUNET Technologies, Inc.
1 962 4496 BBN Planet
7018 962 3190 AT&T
7046 810 559 UUNET Technologies, Inc.
1239 643 1612 Sprint ICM-Inria
2914 608 1211 Verio, Inc.
3561 561 1264 Cable & Wireless USA
174 524 2759 PSINet Inc.
3549 514 495 Global Crossing
4293 480 52 Cable & Wireless USA
209 452 676 Qwest
690 416 49 Merit Network
2548 398 522 Digital Express Group, Inc.
3908 375 262 Supernet, Inc.
8151 358 218 UniNet S.A. de C.V.
4323 338 136 Time Warner Communications, I
3967 335 224 Exodus Communication
11371 332 50 Rhythms NetConnections
8013 327 54 PSINet Ltd. Canada
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2423 3611 UUNET Technologies, Inc.
1221 2000 684 Telstra
705 1403 62 UUNET Technologies, Inc.
1 962 4496 BBN Planet
7018 962 3190 AT&T
7046 810 559 UUNET Technologies, Inc.
1239 643 1612 Sprint ICM-Inria
2914 608 1211 Verio, Inc.
3561 561 1264 Cable & Wireless USA
174 524 2759 PSINet Inc.
3549 514 495 Global Crossing
4293 480 52 Cable & Wireless USA
702 465 662 UUNET Technologies, Inc.
209 452 676 Qwest
2764 427 147 connect.com.au pty ltd
690 416 49 Merit Network
2548 398 522 Digital Express Group, Inc.
3301 390 337 TeliaNet Sweden
703 378 204 UUNET Technologies, Inc.
3908 375 262 Supernet, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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,
65535 PRIVATE 203.24.169.0/24 17486 Swiftel Communicatio
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
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 /14:206 /15:329 /16:6913 /17:1128 /18:2103
/19:6590 /20:5042 /21:4435 /22:6734 /23:8629 /24:59335
/25:272 /26:395 /27:207 /28:190 /29:129 /30:125
/31:1 /32:58
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:354 13:10 15:1 17:1 24:718
26:1 32:12 38:7 44:3 47:1 53:2
55:1 57:12 61:28 62:133 63:1912 64:1459
65:767 66:271 128:31 129:114 130:20 131:25
132:9 133:1 134:168 135:8 136:16 137:116
138:203 139:52 140:140 141:174 142:55 143:76
144:134 145:9 146:132 147:134 148:151 149:134
150:27 151:176 152:825 153:33 154:13 155:77
156:39 157:102 158:61 159:81 160:19 161:56
162:61 163:134 164:104 165:127 166:175 167:133
168:81 169:32 170:211 171:2 192:5383 193:1907
194:2057 195:769 196:377 198:3673 199:3376 200:1894
202:2477 203:4983 204:3378 205:2243 206:2725 207:2816
208:2909 209:3232 210:481 211:191 212:804 213:392
214:9 215:11 216:2887 217:192 223:2
End of report
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