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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 25 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 105284
Origin ASes present in the Internet Routing Table: 11114
Origin ASes announcing only one prefix: 4045
Transit ASes present in the Internet Routing Table: 1490
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: 18
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: 1219851170
Equivalent to 72 /8s, 181 /16s and 115 /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: 71996
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15486
Prefixes being announced from the APNIC address blocks: 14036
APNIC Region origin ASes present in the Internet Routing Table: 1291
APNIC Region origin ASes announcing only one prefix: 450
APNIC Region transit ASes present in the Internet Routing Table: 222
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 71677320
Equivalent to 4 /8s, 69 /16s and 181 /24s
Percentage of available APNIC address space announced: 70.5
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: 72702
Prefixes being announced from the ARIN address blocks: 51943
ARIN Region origin ASes present in the Internet Routing Table: 6745
ARIN Region origin ASes announcing only one prefix: 1995
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: 199957520
Equivalent to 11 /8s, 235 /16s and 28 /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: 17096
Prefixes being announced from the RIPE address blocks: 13188
RIPE Region origin ASes present in the Internet Routing Table: 3088
RIPE Region origin ASes announcing only one prefix: 1600
RIPE Region transit ASes present in the Internet Routing Table: 563
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 100537303
Equivalent to 5 /8s, 254 /16s and 19 /24s
Percentage of available RIPE address space announced: 66.6
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 1745 1348 Telstra
2764 451 329 connect.com.au pty ltd
2907 367 1783 SINET Japan
703 352 376 UUNET Technologies, Inc.
4755 347 185 VSNL India
7474 231 275 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 150 20 Ozemail
7545 148 23 TPG Internet Pty Ltd
7657 134 24 The Internet Group Limited
9443 133 38 INTERNETPRIMUS-AS-A
4786 125 15 NetConnect Communications Pty
4763 117 85 Telstra New Zealand
17561 115 151 Internet service provision to
7586 113 17 Paradox Digital Pty. Ltd
9583 112 59 Satyam Infoway 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
702 653 1780 UUNET Technologies, Inc.
15870 430 12 Global Center Frankfurt
3301 412 917 TeliaNet Sweden
1257 282 504 Swipnet AB
1270 263 873 UUNET Germany
680 229 2053 Deutschef Forschurgsnetz
15878 217 9 Global Center Paris
3215 210 495 RAIN
719 185 291 LANLINK
786 185 1904 JANET IP Service
5515 175 654 Sonera Finland
3320 168 1410 Deutsche Telekom AG
8708 143 14 Romania Data System
5400 138 68 Concert Internet Plus Europea
517 130 272 Xlink
3303 130 576 Swisscom
9121 126 95 TTnet Autonomous System
2856 120 776 BTnet UK Regional network
1267 100 1954 IUnet S.p.A
1290 96 406 PSINet UK Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2466 8070 UUNET Technologies, Inc.
1 940 8826 BBN Planet
7018 931 6973 AT&T
7046 736 1072 UUNET Technologies, Inc.
3491 668 392 CAIS Internet
1239 652 3253 Sprint ICM-Inria
2914 553 2348 Verio, Inc.
690 549 92 Merit Network
3561 528 2473 Cable & Wireless USA
3908 500 566 Supernet, Inc.
4293 497 101 Cable & Wireless USA
209 476 1855 Qwest
3549 423 1038 Global Crossing
2548 417 996 Digital Express Group, Inc.
18994 416 10 Global Crossing
2149 401 408 Performance Systems, Inc.
15290 378 443 AT&T Canada IES
5106 354 136 Ameritech Advanced Data Servi
11371 334 100 Rhythms NetConnections
577 331 599 Bell Canada
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2466 8070 UUNET Technologies, Inc.
1221 1745 1348 Telstra
1 940 8826 BBN Planet
7018 931 6973 AT&T
7046 736 1072 UUNET Technologies, Inc.
3491 668 392 CAIS Internet
702 653 1780 UUNET Technologies, Inc.
1239 652 3253 Sprint ICM-Inria
2914 553 2348 Verio, Inc.
690 549 92 Merit Network
3561 528 2473 Cable & Wireless USA
3908 500 566 Supernet, Inc.
4293 497 101 Cable & Wireless USA
209 476 1855 Qwest
2764 451 329 connect.com.au pty ltd
15870 430 12 Global Center Frankfurt
3549 423 1038 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
4834 UNALLOCATED 202.74.192.0/20 4648 NZIX 2
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 /15:353 /16:6894 /17:1182 /18:2186
/19:6750 /20:5291 /21:4494 /22:6784 /23:8653 /24:59935
/25:292 /26:365 /27:511 /28:457 /29:373 /30:316
/31:1 /32:88
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1607 2466 UUNET Technologies, Inc.
1221 1588 1745 Telstra
3491 643 668 CAIS Internet
7046 573 736 UUNET Technologies, Inc.
690 545 549 Merit Network
4293 480 497 Cable & Wireless USA
1 445 940 BBN Planet
7018 443 931 AT&T
15870 426 430 Global Center Frankfurt
18994 414 416 Global Crossing
702 411 653 UUNET Technologies, Inc.
2764 407 451 connect.com.au pty ltd
3908 399 500 Supernet, Inc.
209 356 476 Qwest
5106 343 354 Ameritech Advanced Data Servi
1239 334 652 Sprint ICM-Inria
11371 321 334 Rhythms NetConnections
18993 321 324 Global Crossing
3561 318 528 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 12:569 13:13 15:9
17:13 20:2 24:854 26:1 32:33 35:1
38:563 40:2 44:11 47:38 52:2 53:4
55:1 56:5 57:16 61:90 62:200 63:2553
64:2810 65:1069 66:712 80:12 128:59 129:197
130:55 131:64 132:39 133:1 134:237 135:16
136:30 137:176 138:276 139:83 140:248 141:225
142:157 143:89 144:184 145:31 146:285 147:178
148:195 149:131 150:62 151:262 152:1119 153:38
154:27 155:142 156:75 157:156 158:104 159:105
160:71 161:132 162:161 163:212 164:174 165:281
166:258 167:150 168:199 169:55 170:433 171:20
172:1 192:35 193:2556 194:2713 195:1021 196:4
198:7 199:3925 200:2708 202:3722 203:5975 204:4340
205:2905 206:4149 207:3794 208:5181 209:4149 210:768
211:281 212:1274 213:603 216:4697 217:391 218:3
End of report
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