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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 04 Apr, 2001
Analysis Summary
----------------
BGP routing table entries examined: 102199
Origin ASes present in the Internet Routing Table: 10473
Origin ASes announcing only one prefix: 3767
Transit ASes present in the Internet Routing Table: 1387
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 19
Illegal AS announcements present in the Routing Table: 20
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: 1216086477
Equivalent to 72 /8s, 124 /16s and 1 /24s
Percentage of available address space announced: 32.8
Percentage of allocated address space announced: 64.3
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15547
Prefixes being announced from the APNIC address blocks: 14074
APNIC Region origin ASes present in the Internet Routing Table: 1218
APNIC Region origin ASes announcing only one prefix: 440
APNIC Region transit ASes present in the Internet Routing Table: 202
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 69065694
Equivalent to 4 /8s, 29 /16s and 219 /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: 70699
Prefixes being announced from the ARIN address blocks: 48106
ARIN Region origin ASes present in the Internet Routing Table: 6378
ARIN Region origin ASes announcing only one prefix: 1869
ARIN Region transit ASes present in the Internet Routing Table: 658
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 180413196
Equivalent to 10 /8s, 192 /16s and 227 /24s
Percentage of available ARIN address space announced: 82.7
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: 15933
Prefixes being announced from the RIPE address blocks: 12625
RIPE Region origin ASes present in the Internet Routing Table: 2876
RIPE Region origin ASes announcing only one prefix: 1458
RIPE Region transit ASes present in the Internet Routing Table: 525
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 94155224
Equivalent to 5 /8s, 156 /16s and 177 /24s
Percentage of available RIPE address space announced: 80.2
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 2072 684 Telstra
2764 429 139 connect.com.au pty ltd
703 380 204 UUNET Technologies, Inc.
2907 362 884 SINET Japan
4755 291 108 VSNL India
4538 243 1024 China Education and Research
9269 206 24 Hong Kong CTI
7474 196 86 Optus Communications
4134 183 607 Data Communications Bureau
4763 179 35 Telstra New Zealand
4766 177 618 KORnet Powered BY Korea Telec
1237 164 71 System Engineering Research I
7657 161 12 The Internet Group Limited
7539 158 101 Delegated to TWNIC for subseq
7545 150 10 TPG Internet Pty Ltd
17561 150 60 Internet service provision to
4740 145 10 Ozemail
4786 128 7 NetConnect Communications Pty
7617 123 46 One.Net Pty Ltd
9797 123 10 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
702 415 624 UUNET Technologies, Inc.
3301 400 329 TeliaNet Sweden
1257 280 247 Swipnet AB
1270 274 448 UUNET Germany
680 208 913 Deutschef Forschurgsnetz
5515 192 336 Sonera Finland
719 190 146 LANLINK
3215 190 227 RAIN
786 184 959 JANET IP Service
3320 158 454 Deutsche Telekom AG
1849 148 256 UUNET UK (formerly PIPEX)
517 128 134 Xlink
5400 124 33 Concert Internet Plus Europea
3303 123 298 Swisscom
2856 122 388 BTnet UK Regional network
8708 114 5 Romania Data System
1901 98 77 EUnet Austria
1267 97 978 IUnet S.p.A
2830 95 38 UUNET UK (formerly PIPEX)
8342 86 44 Rostelecom Internet Center's
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2407 3640 UUNET Technologies, Inc.
705 1231 57 UUNET Technologies, Inc.
1 957 4503 BBN Planet
7018 942 3057 AT&T
7046 810 552 UUNET Technologies, Inc.
1239 645 1601 Sprint ICM-Inria
2914 603 1219 Verio, Inc.
174 567 2786 PSINet Inc.
3561 562 1257 Cable & Wireless USA
3549 538 496 Global Crossing
4293 483 52 Cable & Wireless USA
209 449 723 Qwest
690 415 49 Merit Network
2548 398 514 Digital Express Group, Inc.
3908 380 262 Supernet, Inc.
8112 371 68 Bell Atlantic Internet Soluti
8151 368 219 UniNet S.A. de C.V.
8013 338 55 PSINet Ltd. Canada
4323 336 136 Time Warner Communications, I
3967 331 223 Exodus Communication
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2407 3640 UUNET Technologies, Inc.
1221 2072 684 Telstra
705 1231 57 UUNET Technologies, Inc.
1 957 4503 BBN Planet
7018 942 3057 AT&T
7046 810 552 UUNET Technologies, Inc.
1239 645 1601 Sprint ICM-Inria
2914 603 1219 Verio, Inc.
174 567 2786 PSINet Inc.
3561 562 1257 Cable & Wireless USA
3549 538 496 Global Crossing
4293 483 52 Cable & Wireless USA
209 449 723 Qwest
2764 429 139 connect.com.au pty ltd
690 415 49 Merit Network
702 415 624 UUNET Technologies, Inc.
3301 400 329 TeliaNet Sweden
2548 398 514 Digital Express Group, Inc.
703 380 204 UUNET Technologies, Inc.
3908 380 262 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,
65008 PRIVATE 193.48.190.0/24 2200 INRIA-Rocquencourt
65008 PRIVATE 193.49.4.0/24 2200 INRIA-Rocquencourt
65008 PRIVATE 194.167.0.0/24 2200 INRIA-Rocquencourt
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
91.16.23.0/24 11770 Net56
106.1.1.0/24 5705 Sirius Solutions, Inc.
106.1.2.0/24 5705 Sirius Solutions, Inc.
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:4 /10:4 /11:9 /12:29
/13:66 /14:203 /15:331 /16:6911 /17:1116 /18:2085
/19:6543 /20:4958 /21:4396 /22:6673 /23:8561 /24:59014
/25:259 /26:340 /27:150 /28:111 /29:70 /30:177
/31:1 /32:167
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:349 13:10 15:1 17:1 24:694
26:1 32:10 38:7 44:3 47:1 53:2
55:1 57:9 61:29 62:133 63:1885 64:1439
65:597 66:215 91:1 106:2 128:31 129:122
130:20 131:25 132:11 133:1 134:152 135:8
136:17 137:116 138:248 139:52 140:111 141:173
142:55 143:151 144:35 145:9 146:134 147:91
148:151 149:134 150:26 151:362 152:900 153:31
154:13 155:75 156:36 157:106 158:59 159:79
160:18 161:56 162:91 163:136 164:132 165:126
166:173 167:133 168:80 169:30 170:220 171:2
192:5360 193:1839 194:2038 195:756 196:379 198:3621
199:3367 200:1894 202:2420 203:5018 204:3378 205:2254
206:2740 207:2775 208:2929 209:3212 210:494 211:147
212:827 213:371 214:8 215:11 216:2880 217:172
End of report
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