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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 16 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106020
Origin ASes present in the Internet Routing Table: 11098
Origin ASes announcing only one prefix: 4044
Transit ASes present in the Internet Routing Table: 1478
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: 28
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: 1236468794
Equivalent to 73 /8s, 179 /16s and 4 /24s
Percentage of available address space announced: 33.4
Percentage of allocated address space announced: 64.8
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 72701
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16071
Prefixes being announced from the APNIC address blocks: 14613
APNIC Region origin ASes present in the Internet Routing Table: 1284
APNIC Region origin ASes announcing only one prefix: 453
APNIC Region transit ASes present in the Internet Routing Table: 216
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 70691792
Equivalent to 4 /8s, 54 /16s and 171 /24s
Percentage of available APNIC address space announced: 69.5
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: 72978
Prefixes being announced from the ARIN address blocks: 52164
ARIN Region origin ASes present in the Internet Routing Table: 6740
ARIN Region origin ASes announcing only one prefix: 1996
ARIN Region transit ASes present in the Internet Routing Table: 705
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 200362417
Equivalent to 11 /8s, 241 /16s and 73 /24s
Percentage of available ARIN address space announced: 79.6
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: 16956
Prefixes being announced from the RIPE address blocks: 13037
RIPE Region origin ASes present in the Internet Routing Table: 3080
RIPE Region origin ASes announcing only one prefix: 1595
RIPE Region transit ASes present in the Internet Routing Table: 557
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 117321070
Equivalent to 6 /8s, 254 /16s and 45 /24s
Percentage of available RIPE address space announced: 77.7
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 1733 1345 Telstra
2764 925 367 connect.com.au pty ltd
2907 374 1800 SINET Japan
4755 350 225 VSNL India
703 337 374 UUNET Technologies, Inc.
7474 227 275 Optus Communications
7539 220 195 TANet2, sponsored by NSC, TAI
4134 218 1439 Data Communications Bureau
4766 179 1258 KORnet Powered BY Korea Telec
4740 160 21 Ozemail
7545 146 21 TPG Internet Pty Ltd
7657 146 25 The Internet Group Limited
4786 143 16 NetConnect Communications Pty
9443 132 38 INTERNETPRIMUS-AS-A
9583 118 61 Satyam Infoway Ltd.,
4763 117 85 Telstra New Zealand
17561 115 151 Internet service provision to
7586 112 17 Paradox Digital Pty. Ltd
4713 106 853 NTT-OCNET
9797 104 32 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 658 1778 UUNET Technologies, Inc.
15870 433 7 Global Center Frankfurt
3301 411 917 TeliaNet Sweden
1257 281 504 Swipnet AB
1270 261 863 UUNET Germany
680 229 2053 Deutschef Forschurgsnetz
15878 216 8 Global Center Paris
3215 209 486 RAIN
719 186 291 LANLINK
786 186 1904 JANET IP Service
5515 175 654 Sonera Finland
3320 167 1410 Deutsche Telekom AG
5400 139 76 Concert Internet Plus Europea
8708 138 14 Romania Data System
3303 129 592 Swisscom
517 123 271 Xlink
2856 120 776 BTnet UK Regional network
1267 100 1956 IUnet S.p.A
1290 97 406 PSINet UK Ltd.
3269 92 664 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2463 8060 UUNET Technologies, Inc.
1 938 8842 BBN Planet
7018 934 7016 AT&T
7046 817 1099 UUNET Technologies, Inc.
3491 675 392 CAIS Internet
1239 650 3212 Sprint ICM-Inria
2914 553 2348 Verio, Inc.
3561 547 2405 Cable & Wireless USA
690 527 73 Merit Network
4293 495 101 Cable & Wireless USA
18994 467 10 Global Crossing
209 464 1836 Qwest
2548 418 997 Digital Express Group, Inc.
2149 408 440 Performance Systems, Inc.
3908 375 546 Supernet, Inc.
705 360 58 UUNET Technologies, Inc.
5106 352 137 Ameritech Advanced Data Servi
3549 340 1065 Global Crossing
3967 338 456 Exodus Communication
11371 337 100 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2463 8060 UUNET Technologies, Inc.
1221 1733 1345 Telstra
1 938 8842 BBN Planet
7018 934 7016 AT&T
2764 925 367 connect.com.au pty ltd
7046 817 1099 UUNET Technologies, Inc.
3491 675 392 CAIS Internet
702 658 1778 UUNET Technologies, Inc.
1239 650 3212 Sprint ICM-Inria
2914 553 2348 Verio, Inc.
3561 547 2405 Cable & Wireless USA
690 527 73 Merit Network
4293 495 101 Cable & Wireless USA
18994 467 10 Global Crossing
209 464 1836 Qwest
15870 433 7 Global Center Frankfurt
2548 418 997 Digital Express Group, Inc.
3301 411 917 TeliaNet Sweden
2149 408 440 Performance Systems, Inc.
3908 375 546 Supernet, 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
578 UNALLOCATED 64.230.242.0/27 577 Bell Canada
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,
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
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
/13:78 /14:209 /15:350 /16:6896 /17:1184 /18:2189
/19:6743 /20:5278 /21:4543 /22:6829 /23:8703 /24:60716
/25:234 /26:339 /27:445 /28:452 /29:366 /30:309
/31:1 /32:84
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1592 2463 UUNET Technologies, Inc.
1221 1585 1733 Telstra
2764 881 925 connect.com.au pty ltd
7046 653 817 UUNET Technologies, Inc.
3491 650 675 CAIS Internet
690 524 527 Merit Network
4293 478 495 Cable & Wireless USA
18994 465 467 Global Crossing
7018 445 934 AT&T
1 441 938 BBN Planet
15870 432 433 Global Center Frankfurt
702 418 658 UUNET Technologies, Inc.
209 348 464 Qwest
5106 340 352 Ameritech Advanced Data Servi
3561 339 547 Cable & Wireless USA
1239 332 650 Sprint ICM-Inria
11371 324 337 Rhythms NetConnections
18993 321 324 Global Crossing
705 316 360 UUNET Technologies, Inc.
2548 307 418 Digital Express Group, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
6:12 9:6 12:556 13:13 15:11 17:13
20:2 24:856 26:1 30:1 32:31 35:3
38:572 40:2 44:11 47:37 52:2 53:4
55:1 56:5 57:15 61:92 62:192 63:2557
64:2842 65:1024 66:702 80:8 128:62 129:253
130:62 131:62 132:37 133:1 134:237 135:15
136:29 137:171 138:276 139:84 140:263 141:225
142:148 143:99 144:182 145:32 146:188 147:169
148:192 149:173 150:62 151:258 152:1114 153:37
154:27 155:142 156:74 157:156 158:114 159:100
160:70 161:126 162:150 163:224 164:177 165:280
166:268 167:166 168:204 169:54 170:461 171:20
172:1 192:31 193:2525 194:2705 195:1023 196:4
198:5 199:4066 200:2681 202:3711 203:6191 204:4347
205:2920 206:4192 207:3819 208:5118 209:4199 210:1157
211:311 212:1176 213:592 216:4724 217:388
End of report
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