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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 26 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 105472
Origin ASes present in the Internet Routing Table: 11146
Origin ASes announcing only one prefix: 4059
Transit ASes present in the Internet Routing Table: 1493
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: 15
Number of addresses announced to Internet: 1220099977
Equivalent to 72 /8s, 185 /16s and 63 /24s
Percentage of available address space announced: 32.9
Percentage of allocated address space announced: 63.9
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 72114
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15497
Prefixes being announced from the APNIC address blocks: 14038
APNIC Region origin ASes present in the Internet Routing Table: 1295
APNIC Region origin ASes announcing only one prefix: 454
APNIC Region transit ASes present in the Internet Routing Table: 226
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 71564168
Equivalent to 4 /8s, 67 /16s and 251 /24s
Percentage of available APNIC address space announced: 70.4
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: 72940
Prefixes being announced from the ARIN address blocks: 52123
ARIN Region origin ASes present in the Internet Routing Table: 6761
ARIN Region origin ASes announcing only one prefix: 1999
ARIN Region transit ASes present in the Internet Routing Table: 704
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 200138968
Equivalent to 11 /8s, 237 /16s and 224 /24s
Percentage of available ARIN address space announced: 79.5
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, 21504 - 22527
ARIN Address Blocks 24/8, 63/8, 64/6, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 17035
Prefixes being announced from the RIPE address blocks: 13127
RIPE Region origin ASes present in the Internet Routing Table: 3099
RIPE Region origin ASes announcing only one prefix: 1606
RIPE Region transit ASes present in the Internet Routing Table: 562
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 100657078
Equivalent to 5 /8s, 255 /16s and 231 /24s
Percentage of available RIPE address space announced: 66.7
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, 80/7, 193/8, 194/7, 212/7 and 217/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv Description
1221 1749 1348 Telstra
2764 527 335 connect.com.au pty ltd
2907 368 1783 SINET Japan
703 353 376 UUNET Technologies, Inc.
4755 347 185 VSNL India
7474 232 275 Optus Communications
4134 222 1457 Data Communications Bureau
7539 208 181 TANet2, sponsored by NSC, TAI
4766 178 1258 KORnet Powered BY Korea Telec
4740 146 20 Ozemail
7545 143 21 TPG Internet Pty Ltd
9443 135 38 INTERNETPRIMUS-AS-A
7657 134 24 The Internet Group Limited
4786 126 15 NetConnect Communications Pty
4763 117 85 Telstra New Zealand
9583 115 59 Satyam Infoway Ltd.,
17561 115 151 Internet service provision to
7586 112 17 Paradox Digital Pty. Ltd
4713 107 869 NTT-OCNET
9797 103 31 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 650 1778 UUNET Technologies, Inc.
15870 430 12 Global Center Frankfurt
3301 412 917 TeliaNet Sweden
1257 282 504 Swipnet AB
1270 262 873 UUNET Germany
680 230 2053 Deutschef Forschurgsnetz
3215 219 495 RAIN
15878 217 9 Global Center Paris
719 185 291 LANLINK
786 185 1904 JANET IP Service
5515 175 654 Sonera Finland
3320 168 1410 Deutsche Telekom AG
8708 144 14 Romania Data System
5400 138 68 Concert Internet Plus Europea
3303 130 576 Swisscom
517 127 272 Xlink
2856 120 776 BTnet UK Regional network
1267 106 1986 IUnet S.p.A
1290 96 406 PSINet UK Ltd.
3269 92 663 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2463 8036 UUNET Technologies, Inc.
1 937 8808 BBN Planet
7018 932 6973 AT&T
7046 740 1088 UUNET Technologies, Inc.
3491 664 392 CAIS Internet
1239 643 3233 Sprint ICM-Inria
690 554 79 Merit Network
2914 553 2348 Verio, Inc.
3561 524 2457 Cable & Wireless USA
3908 502 566 Supernet, Inc.
4293 497 101 Cable & Wireless USA
209 479 1855 Qwest
3549 425 1039 Global Crossing
2548 417 996 Digital Express Group, Inc.
18994 416 10 Global Crossing
2149 403 408 Performance Systems, Inc.
15290 379 443 AT&T Canada IES
5106 347 137 Ameritech Advanced Data Servi
11371 334 100 Rhythms NetConnections
577 332 600 Bell Canada
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2463 8036 UUNET Technologies, Inc.
1221 1749 1348 Telstra
1 937 8808 BBN Planet
7018 932 6973 AT&T
7046 740 1088 UUNET Technologies, Inc.
3491 664 392 CAIS Internet
702 650 1778 UUNET Technologies, Inc.
1239 643 3233 Sprint ICM-Inria
690 554 79 Merit Network
2914 553 2348 Verio, Inc.
2764 527 335 connect.com.au pty ltd
3561 524 2457 Cable & Wireless USA
3908 502 566 Supernet, Inc.
4293 497 101 Cable & Wireless USA
209 479 1855 Qwest
15870 430 12 Global Center Frankfurt
3549 425 1039 Global Crossing
2548 417 996 Digital Express Group, Inc.
18994 416 10 Global Crossing
3301 412 917 TeliaNet Sweden
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
578 UNALLOCATED 64.230.242.0/27 577 Bell Canada
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
6020 UNALLOCATED 164.233.0.0/16 209 Qwest
5962 UNALLOCATED 192.41.249.0/24 721 DLA Systems Automati
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,
9700 UNALLOCATED 202.30.50.0/23 3786 DACOM Corporation
9700 UNALLOCATED 203.255.208.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.209.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.210.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.211.0/24 3786 DACOM Corporation
5954 UNALLOCATED 204.130.191.0/24 721 DLA Systems Automati
5979 UNALLOCATED 206.197.206.0/24 721 DLA Systems Automati
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
128.65.0.0/16 3463 ACES Research Inc
132.0.0.0/10 568 DISO-UNRRA
134.137.0.0/16 7170 AT&T Government Markets
135.0.0.0/13 10455 Lucent Technologies
137.0.0.0/13 568 DISO-UNRRA
138.94.0.0/16 1 BBN Planet
144.7.0.0/16 701 UUNET Technologies, Inc.
153.34.0.0/15 701 UUNET Technologies, Inc.
153.36.0.0/14 701 UUNET Technologies, Inc.
154.150.0.0/16 6494 IDCI
158.0.0.0/13 568 DISO-UNRRA
164.233.0.0/16 6020 >>UNKNOWN<<
172.32.1.0/25 1221 Telstra
172.122.0.0/16 701 UUNET Technologies, Inc.
201.115.100.0/24 7018 AT&T
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:5 /10:6 /11:9 /12:32
/13:78 /14:210 /15:352 /16:6893 /17:1186 /18:2188
/19:6765 /20:5313 /21:4505 /22:6795 /23:8678 /24:60021
/25:291 /26:364 /27:513 /28:462 /29:375 /30:316
/31:1 /32:95
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1604 2463 UUNET Technologies, Inc.
1221 1592 1749 Telstra
3491 639 664 CAIS Internet
7046 574 740 UUNET Technologies, Inc.
690 551 554 Merit Network
2764 483 527 connect.com.au pty ltd
4293 480 497 Cable & Wireless USA
1 445 937 BBN Planet
7018 444 932 AT&T
15870 426 430 Global Center Frankfurt
18994 414 416 Global Crossing
702 410 650 UUNET Technologies, Inc.
3908 401 502 Supernet, Inc.
209 359 479 Qwest
5106 335 347 Ameritech Advanced Data Servi
1239 328 643 Sprint ICM-Inria
11371 321 334 Rhythms NetConnections
18993 321 324 Global Crossing
3561 318 524 Cable & Wireless USA
2548 307 417 Digital Express Group, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:574 13:13 15:9
17:13 20:3 24:855 26:1 32:33 35:3
38:559 40:2 44:11 47:38 52:2 53:4
55:1 56:5 57:15 61:91 62:200 63:2570
64:2812 65:1074 66:714 80:14 128:59 129:195
130:55 131:64 132:40 133:1 134:237 135:16
136:31 137:175 138:277 139:85 140:248 141:225
142:158 143:96 144:184 145:31 146:285 147:177
148:204 149:131 150:62 151:262 152:1121 153:38
154:27 155:142 156:75 157:158 158:103 159:105
160:71 161:132 162:161 163:215 164:174 165:281
166:258 167:150 168:200 169:55 170:433 171:20
172:1 192:34 193:2567 194:2725 195:1021 196:4
198:6 199:3943 200:2734 202:3708 203:5947 204:4359
205:2922 206:4144 207:3801 208:5199 209:4150 210:813
211:279 212:1170 213:608 216:4730 217:394 218:3
End of report
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