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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 11 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106487
Origin ASes present in the Internet Routing Table: 11021
Origin ASes announcing only one prefix: 4023
Transit ASes present in the Internet Routing Table: 1457
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 18
Illegal AS announcements present in the Routing Table: 36
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 14
Number of addresses announced to Internet: 1233506718
Equivalent to 73 /8s, 133 /16s and 209 /24s
Percentage of available address space announced: 33.3
Percentage of allocated address space announced: 64.6
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 73293
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15936
Prefixes being announced from the APNIC address blocks: 14472
APNIC Region origin ASes present in the Internet Routing Table: 1274
APNIC Region origin ASes announcing only one prefix: 453
APNIC Region transit ASes present in the Internet Routing Table: 221
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 70512793
Equivalent to 4 /8s, 51 /16s and 240 /24s
Percentage of available APNIC address space announced: 69.3
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: 73678
Prefixes being announced from the ARIN address blocks: 52943
ARIN Region origin ASes present in the Internet Routing Table: 6690
ARIN Region origin ASes announcing only one prefix: 1984
ARIN Region transit ASes present in the Internet Routing Table: 682
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 199310498
Equivalent to 11 /8s, 225 /16s and 60 /24s
Percentage of available ARIN address space announced: 79.2
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: 16852
Prefixes being announced from the RIPE address blocks: 12937
RIPE Region origin ASes present in the Internet Routing Table: 3065
RIPE Region origin ASes announcing only one prefix: 1586
RIPE Region transit ASes present in the Internet Routing Table: 555
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 99582930
Equivalent to 5 /8s, 239 /16s and 131 /24s
Percentage of available RIPE address space announced: 66.0
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 1720 1345 Telstra
2764 909 366 connect.com.au pty ltd
2907 368 1799 SINET Japan
703 356 375 UUNET Technologies, Inc.
4755 335 204 VSNL India
7474 219 274 Optus Communications
4134 217 1423 Data Communications Bureau
7539 188 157 TANet2, sponsored by NSC, TAI
4766 174 1258 KORnet Powered BY Korea Telec
17561 152 153 Internet service provision to
4740 151 20 Ozemail
7657 150 25 The Internet Group Limited
7545 146 21 TPG Internet Pty Ltd
9443 130 47 INTERNETPRIMUS-AS-A
4786 126 15 NetConnect Communications Pty
4763 117 85 Telstra New Zealand
7586 116 18 Paradox Digital Pty. Ltd
7617 112 91 One.Net Pty Ltd
9583 111 61 Satyam Infoway Ltd.,
4713 108 853 NTT-OCNET
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 658 1779 UUNET Technologies, Inc.
15870 437 7 Global Center Frankfurt
3301 410 921 TeliaNet Sweden
1257 284 504 Swipnet AB
1270 262 863 UUNET Germany
680 230 2055 Deutschef Forschurgsnetz
15878 216 8 Global Center Paris
3215 210 486 RAIN
719 186 291 LANLINK
786 185 1904 JANET IP Service
5515 176 654 Sonera Finland
3320 164 1410 Deutsche Telekom AG
8708 136 14 Romania Data System
5400 135 67 Concert Internet Plus Europea
517 129 273 Xlink
3303 129 592 Swisscom
2856 118 776 BTnet UK Regional network
1267 99 1954 IUnet S.p.A
1290 95 406 PSINet UK Ltd.
3269 92 616 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2444 7914 UUNET Technologies, Inc.
705 1557 133 UUNET Technologies, Inc.
1 931 8856 BBN Planet
7018 900 6917 AT&T
7046 789 1113 UUNET Technologies, Inc.
3491 675 392 CAIS Internet
1239 656 3181 Sprint ICM-Inria
2914 548 2350 Verio, Inc.
3561 532 2432 Cable & Wireless USA
690 506 69 Merit Network
4293 495 101 Cable & Wireless USA
18994 470 11 Global Crossing
209 456 1828 Qwest
2548 408 1013 Digital Express Group, Inc.
2149 406 456 Performance Systems, Inc.
3908 403 565 Supernet, Inc.
5106 352 137 Ameritech Advanced Data Servi
3549 338 1063 Global Crossing
3967 337 456 Exodus Communication
11371 337 100 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2444 7914 UUNET Technologies, Inc.
1221 1720 1345 Telstra
705 1557 133 UUNET Technologies, Inc.
1 931 8856 BBN Planet
2764 909 366 connect.com.au pty ltd
7018 900 6917 AT&T
7046 789 1113 UUNET Technologies, Inc.
3491 675 392 CAIS Internet
702 658 1779 UUNET Technologies, Inc.
1239 656 3181 Sprint ICM-Inria
2914 548 2350 Verio, Inc.
3561 532 2432 Cable & Wireless USA
690 506 69 Merit Network
4293 495 101 Cable & Wireless USA
18994 470 11 Global Crossing
209 456 1828 Qwest
15870 437 7 Global Center Frankfurt
3301 410 921 TeliaNet Sweden
2548 408 1013 Digital Express Group, Inc.
2149 406 456 Performance Systems, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65530 PRIVATE 63.188.0.0/20 4999 Sprint
65530 PRIVATE 63.188.0.0/18 4999 Sprint
65530 PRIVATE 63.188.16.0/20 4999 Sprint
65530 PRIVATE 63.188.32.0/20 4999 Sprint
65530 PRIVATE 63.188.48.0/20 4999 Sprint
65530 PRIVATE 63.188.64.0/20 4999 Sprint
65530 PRIVATE 63.188.64.0/18 4999 Sprint
65530 PRIVATE 63.188.80.0/20 4999 Sprint
65530 PRIVATE 63.188.96.0/20 4999 Sprint
65530 PRIVATE 63.188.112.0/20 4999 Sprint
65530 PRIVATE 63.188.128.0/20 4999 Sprint
65530 PRIVATE 63.188.128.0/18 4999 Sprint
65530 PRIVATE 63.188.144.0/20 4999 Sprint
65530 PRIVATE 63.188.160.0/20 4999 Sprint
65530 PRIVATE 63.188.176.0/20 4999 Sprint
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
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,
65028 PRIVATE 193.105.80.0/24 2072 INRIA-Rocquencourt
65028 PRIVATE 193.105.81.0/24 2072 INRIA-Rocquencourt
65028 PRIVATE 193.105.82.0/24 2072 INRIA-Rocquencourt
65028 PRIVATE 193.105.83.0/24 2072 INRIA-Rocquencourt
65028 PRIVATE 194.5.71.0/24 2072 INRIA-Rocquencourt
9700 UNALLOCATED 202.30.50.0/23 3786 DACOM Corporation
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
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
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 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
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 /8:20 /9:5 /10:6 /11:9 /12:32
/13:77 /14:207 /15:344 /16:6892 /17:1171 /18:2187
/19:6716 /20:5232 /21:4505 /22:6784 /23:8672 /24:61223
/25:278 /26:445 /27:461 /28:481 /29:373 /30:306
/31:1 /32:60
Advertised prefixes smaller than registry allocations
---------------------------------------------------
ASN No of nets Description
701 1578 UUNET Technologies, Inc.
1221 1572 Telstra
705 1508 UUNET Technologies, Inc.
2764 865 connect.com.au pty ltd
3491 650 CAIS Internet
7046 622 UUNET Technologies, Inc.
690 503 Merit Network
4293 478 Cable & Wireless USA
18994 467 Global Crossing
15870 436 Global Center Frankfurt
1 434 BBN Planet
7018 419 AT&T
702 418 UUNET Technologies, Inc.
209 343 Qwest
1239 341 Sprint ICM-Inria
5106 340 Ameritech Advanced Data Servi
3561 324 Cable & Wireless USA
11371 324 Rhythms NetConnections
18993 322 Global Crossing
3908 303 Supernet, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
------------------------------------------------------------------
6:12 9:6 12:549 13:13 15:11 17:12
20:2 24:849 26:1 30:1 32:22 35:3
38:572 40:2 44:11 47:37 52:2 53:4
55:1 56:5 57:15 61:110 62:198 63:2661
64:3193 65:1592 66:692 80:6 128:57 129:249
130:58 131:58 132:39 133:1 134:238 135:16
136:29 137:169 138:218 139:84 140:304 141:225
142:120 143:91 144:181 145:31 146:189 147:168
148:192 149:172 150:59 151:255 152:1129 153:39
154:25 155:131 156:74 157:154 158:212 159:99
160:71 161:122 162:148 163:217 164:175 165:272
166:270 167:198 168:192 169:54 170:443 171:20
172:1 192:30 193:2539 194:2715 195:998 196:4
198:5 199:4029 200:2633 202:3626 203:6150 204:4295
205:2919 206:4160 207:3814 208:5103 209:4204 210:1137
211:313 212:1119 213:591 216:4718 217:366
End of report
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