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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 19 Feb, 2001
Analysis Summary
----------------
BGP routing table entries examined: 100728
Origin ASes present in the Internet Routing Table: 10011
Origin ASes announcing only one prefix: 3562
Transit ASes present in the Internet Routing Table: 1319
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: 14
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 3
Number of addresses announced to Internet: 1224808695
Equivalent to 73 /8s, 1 /16s and 24 /24s
Percentage of available address space announced: 33.0
Percentage of allocated address space announced: 64.8
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15677
Prefixes being announced from the APNIC address blocks: 14010
APNIC Region origin ASes present in the Internet Routing Table: 1151
APNIC Region origin ASes announcing only one prefix: 413
APNIC Region transit ASes present in the Internet Routing Table: 183
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 69048144
Equivalent to 4 /8s, 29 /16s and 151 /24s
Percentage of available APNIC address space announced: 67.9
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: 69481
Prefixes being announced from the ARIN address blocks: 47348
ARIN Region origin ASes present in the Internet Routing Table: 6110
ARIN Region origin ASes announcing only one prefix: 1782
ARIN Region transit ASes present in the Internet Routing Table: 631
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 177393048
Equivalent to 10 /8s, 146 /16s and 205 /24s
Percentage of available ARIN address space announced: 81.3
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: 15556
Prefixes being announced from the RIPE address blocks: 12300
RIPE Region origin ASes present in the Internet Routing Table: 2749
RIPE Region origin ASes announcing only one prefix: 1367
RIPE Region transit ASes present in the Internet Routing Table: 503
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 107281904
Equivalent to 6 /8s, 100 /16s and 253 /24s
Percentage of available RIPE address space announced: 91.3
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
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 2418 1190 Telstra
2764 427 140 connect.com.au pty ltd
2907 376 909 SINET Japan
703 370 244 UUNET Technologies, Inc.
4755 307 111 VSNL India
4740 252 16 Ozemail
4618 211 56 Internet Thailand
9269 209 24 Hong Kong CTI
7657 208 12 The Internet Group Limited
7545 205 7 TPG Internet Pty Ltd
7474 195 87 Optus Communications
4763 187 43 Telstra New Zealand
4766 174 619 KORnet Powered BY Korea Telec
4134 173 547 Data Communications Bureau
4538 163 903 China Education and Research
3462 137 205 Data Communications Institute
4786 134 8 NetConnect Communications Pty
7586 132 10 Paradox Digital Pty. Ltd
7496 128 9 Power Up
7617 121 46 One.Net Pty Ltd
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
702 416 606 UUNET Technologies, Inc.
3301 400 322 TeliaNet Sweden
1257 313 248 Swipnet AB
1270 270 449 UUNET Germany
3215 268 183 RAIN
680 200 888 Deutschef Forschurgsnetz
719 191 146 LANLINK
786 181 951 JANET IP Service
5515 168 318 Sonera Finland
3320 167 462 Deutsche Telekom AG
1849 153 271 UUNET UK (formerly PIPEX)
1942 139 45 GIP Renater
517 135 137 Xlink
2856 131 390 BTnet UK Regional network
3303 129 277 Swisscom
5400 112 31 Concert Internet Plus Europea
1901 104 77 EUnet Austria
1267 99 986 IUnet S.p.A
3269 86 275 TELECOM ITALIA
2830 84 30 UUNET UK (formerly PIPEX)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2702 3678 UUNET Technologies, Inc.
1 1017 4583 BBN Planet
7018 927 3030 AT&T
7046 736 543 UUNET Technologies, Inc.
705 698 41 UUNET Technologies, Inc.
1239 646 1552 Sprint ICM-Inria
2914 612 1263 Verio, Inc.
174 596 2807 PSINet Inc.
3561 587 1293 Cable & Wireless USA
3549 532 473 Frontier GlobalCenter
2551 498 345 NETCOM On-Line Communication
4293 473 58 Cable & Wireless USA
209 462 656 Qwest
2548 394 515 Digital Express Group, Inc.
3908 391 280 Supernet, Inc.
8151 364 204 UniNet S.A. de C.V.
271 355 271 BCnet Backbone
8013 330 62 PSINet Ltd. Canada
6082 328 62 Management Analysis, Incorpor
690 327 18 Merit Network
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2702 3678 UUNET Technologies, Inc.
1221 2418 1190 Telstra
1 1017 4583 BBN Planet
7018 927 3030 AT&T
7046 736 543 UUNET Technologies, Inc.
705 698 41 UUNET Technologies, Inc.
1239 646 1552 Sprint ICM-Inria
2914 612 1263 Verio, Inc.
174 596 2807 PSINet Inc.
3561 587 1293 Cable & Wireless USA
3549 532 473 Frontier GlobalCenter
2551 498 345 NETCOM On-Line Communication
4293 473 58 Cable & Wireless USA
209 462 656 Qwest
2764 427 140 connect.com.au pty ltd
702 416 606 UUNET Technologies, Inc.
3301 400 322 TeliaNet Sweden
2548 394 515 Digital Express Group, Inc.
3908 391 280 Supernet, Inc.
2907 376 909 SINET Japan
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65535 PRIVATE 62.4.68.96/27 6461 AboveNet Communicati
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,
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised IANA Reserved Addresses
----------------------------------
Network Origin AS Description
39.96.40.224/30 14408 iCAIR
91.16.23.0/24 11770 Net56
103.22.7.0/24 9768 PubNet (Korea Telecom)
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 /10:5 /11:10 /12:32
/13:62 /14:196 /15:307 /16:6847 /17:1051 /18:2027
/19:6363 /20:4662 /21:4319 /22:6539 /23:8550 /24:58411
/25:273 /26:338 /27:152 /28:112 /29:104 /30:203
/31:0 /32:139
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:315 13:10 15:1 17:1 24:661
26:1 32:6 38:8 44:3 53:2 55:1
57:9 61:43 62:120 63:1750 64:1297 65:86
66:115 91:1 103:1 128:46 129:115 130:20
131:31 132:11 133:3 134:105 135:8 136:117
137:109 138:189 139:54 140:102 141:44 142:55
143:39 144:188 145:9 146:133 147:55 148:121
149:117 150:25 151:332 152:974 153:35 154:11
155:73 156:15 157:105 158:54 159:78 160:16
161:56 162:60 163:128 164:131 165:112 166:174
167:82 168:78 169:31 170:204 171:2 192:5350
193:1814 194:2007 195:791 196:388 198:3715 199:3424
200:1813 202:2410 203:5236 204:3666 205:2469 206:2719
207:2978 208:2937 209:3256 210:388 211:142 212:826
213:308 214:9 215:11 216:2767 217:106
End of report
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