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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 22 Feb, 2001
Analysis Summary
----------------
BGP routing table entries examined: 101019
Origin ASes present in the Internet Routing Table: 10046
Origin ASes announcing only one prefix: 3587
Transit ASes present in the Internet Routing Table: 1336
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: 17
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: 1243700216
Equivalent to 74 /8s, 33 /16s and 91 /24s
Percentage of available address space announced: 33.6
Percentage of allocated address space announced: 65.8
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15742
Prefixes being announced from the APNIC address blocks: 14086
APNIC Region origin ASes present in the Internet Routing Table: 1161
APNIC Region origin ASes announcing only one prefix: 420
APNIC Region transit ASes present in the Internet Routing Table: 191
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 70067791
Equivalent to 4 /8s, 45 /16s and 38 /24s
Percentage of available APNIC address space announced: 68.9
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: 69654
Prefixes being announced from the ARIN address blocks: 47492
ARIN Region origin ASes present in the Internet Routing Table: 6121
ARIN Region origin ASes announcing only one prefix: 1789
ARIN Region transit ASes present in the Internet Routing Table: 638
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 194350808
Equivalent to 11 /8s, 149 /16s and 142 /24s
Percentage of available ARIN address space announced: 89.1
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: 15606
Prefixes being announced from the RIPE address blocks: 12342
RIPE Region origin ASes present in the Internet Routing Table: 2764
RIPE Region origin ASes announcing only one prefix: 1378
RIPE Region transit ASes present in the Internet Routing Table: 505
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 107442634
Equivalent to 6 /8s, 103 /16s and 113 /24s
Percentage of available RIPE address space announced: 91.5
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 2387 1189 Telstra
2764 427 140 connect.com.au pty ltd
703 392 253 UUNET Technologies, Inc.
2907 376 909 SINET Japan
4755 302 111 VSNL India
4618 211 56 Internet Thailand
4538 209 980 China Education and Research
4740 209 13 Ozemail
9269 207 23 Hong Kong CTI
7545 204 7 TPG Internet Pty Ltd
7474 197 87 Optus Communications
7657 197 12 The Internet Group Limited
4763 188 43 Telstra New Zealand
4766 174 619 KORnet Powered BY Korea Telec
4134 173 553 Data Communications Bureau
3462 137 205 Data Communications Institute
4786 132 8 NetConnect Communications Pty
7586 131 10 Paradox Digital Pty. Ltd
7539 130 86 Delegated to TWNIC for subseq
7496 128 9 Power Up
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
702 419 607 UUNET Technologies, Inc.
3301 402 322 TeliaNet Sweden
1257 312 248 Swipnet AB
3215 272 183 RAIN
1270 271 450 UUNET Germany
680 203 889 Deutschef Forschurgsnetz
719 190 146 LANLINK
786 184 960 JANET IP Service
5515 168 318 Sonera Finland
3320 167 462 Deutsche Telekom AG
1849 154 271 UUNET UK (formerly PIPEX)
1942 140 53 GIP Renater
517 135 137 Xlink
2856 130 388 BTnet UK Regional network
3303 129 277 Swisscom
5400 113 31 Concert Internet Plus Europea
1901 104 77 EUnet Austria
1267 98 986 IUnet S.p.A
3269 86 275 TELECOM ITALIA
2830 85 30 UUNET UK (formerly PIPEX)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2706 3686 UUNET Technologies, Inc.
1 1004 4565 BBN Planet
7018 941 3030 AT&T
7046 736 526 UUNET Technologies, Inc.
705 704 41 UUNET Technologies, Inc.
1239 655 1562 Sprint ICM-Inria
2914 628 1271 Verio, Inc.
174 604 2808 PSINet Inc.
3561 574 1292 Cable & Wireless USA
3549 536 473 Frontier GlobalCenter
2551 500 345 NETCOM On-Line Communication
4293 476 58 Cable & Wireless USA
209 466 658 Qwest
2548 394 515 Digital Express Group, Inc.
3908 386 280 Supernet, Inc.
8151 365 204 UniNet S.A. de C.V.
271 349 270 BCnet Backbone
8013 337 62 PSINet Ltd. Canada
690 328 26 Merit Network
11371 325 49 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2706 3686 UUNET Technologies, Inc.
1221 2387 1189 Telstra
1 1004 4565 BBN Planet
7018 941 3030 AT&T
7046 736 526 UUNET Technologies, Inc.
705 704 41 UUNET Technologies, Inc.
1239 655 1562 Sprint ICM-Inria
2914 628 1271 Verio, Inc.
174 604 2808 PSINet Inc.
3561 574 1292 Cable & Wireless USA
3549 536 473 Frontier GlobalCenter
2551 500 345 NETCOM On-Line Communication
4293 476 58 Cable & Wireless USA
209 466 658 Qwest
2764 427 140 connect.com.au pty ltd
702 419 607 UUNET Technologies, Inc.
3301 402 322 TeliaNet Sweden
2548 394 515 Digital Express Group, Inc.
703 392 253 UUNET Technologies, Inc.
3908 386 280 Supernet, Inc.
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,
65132 PRIVATE 202.160.247.176/28 7473 SINGTEL-IX
65132 PRIVATE 202.160.247.208/28 7473 SINGTEL-IX
65132 PRIVATE 202.160.247.224/28 7473 SINGTEL-IX
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 /8:23 /9:4 /10:5 /11:10 /12:32
/13:62 /14:196 /15:307 /16:6864 /17:1063 /18:2038
/19:6379 /20:4706 /21:4338 /22:6586 /23:8552 /24:58515
/25:274 /26:347 /27:151 /28:124 /29:87 /30:212
/31:0 /32:144
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:315 13:10 15:1 17:1 24:665
26:1 32:7 38:8 44:3 53:2 55:1
57:8 61:42 62:117 63:1751 64:1344 65:89
66:121 91:1 103:1 128:38 129:116 130:21
131:31 132:11 133:3 134:107 135:8 136:16
137:111 138:233 139:54 140:106 141:44 142:55
143:41 144:193 145:9 146:133 147:93 148:121
149:117 150:25 151:333 152:973 153:35 154:11
155:73 156:16 157:106 158:55 159:78 160:16
161:56 162:60 163:132 164:131 165:112 166:174
167:87 168:79 169:31 170:202 171:2 192:5363
193:1835 194:2013 195:792 196:388 198:3707 199:3447
200:1817 202:2425 203:5176 204:3665 205:2465 206:2729
207:2977 208:2927 209:3275 210:399 211:146 212:828
213:302 214:9 215:11 216:2770 217:110
End of report
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