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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 30 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104889
Origin ASes present in the Internet Routing Table: 11161
Origin ASes announcing only one prefix: 4070
Transit ASes present in the Internet Routing Table: 1500
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: 14
Number of addresses announced to Internet: 1221509517
Equivalent to 72 /8s, 206 /16s and 193 /24s
Percentage of available address space announced: 33.0
Percentage of allocated address space announced: 64.0
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 71542
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15320
Prefixes being announced from the APNIC address blocks: 13849
APNIC Region origin ASes present in the Internet Routing Table: 1299
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: 72178161
Equivalent to 4 /8s, 77 /16s and 89 /24s
Percentage of available APNIC address space announced: 71.0
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: 72406
Prefixes being announced from the ARIN address blocks: 51710
ARIN Region origin ASes present in the Internet Routing Table: 6761
ARIN Region origin ASes announcing only one prefix: 1997
ARIN Region transit ASes present in the Internet Routing Table: 709
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 199425552
Equivalent to 11 /8s, 226 /16s and 254 /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: 17163
Prefixes being announced from the RIPE address blocks: 13269
RIPE Region origin ASes present in the Internet Routing Table: 3110
RIPE Region origin ASes announcing only one prefix: 1619
RIPE Region transit ASes present in the Internet Routing Table: 564
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 100592227
Equivalent to 5 /8s, 254 /16s and 234 /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 1613 1313 Telstra
2764 431 329 connect.com.au pty ltd
2907 366 1766 SINET Japan
703 354 362 UUNET Technologies, Inc.
4755 301 170 VSNL India
7474 234 292 Optus Communications
4134 229 1525 Data Communications Bureau
7539 207 183 TANet2, sponsored by NSC, TAI
4766 178 1258 KORnet Powered BY Korea Telec
4740 150 36 Ozemail
7545 143 21 TPG Internet Pty Ltd
9443 131 37 INTERNETPRIMUS-AS-A
4786 126 15 NetConnect Communications Pty
7657 122 23 The Internet Group Limited
4763 117 85 Telstra New Zealand
17561 115 151 Internet service provision to
7586 112 17 Paradox Digital Pty. Ltd
9583 109 58 Satyam Infoway Ltd.,
4713 107 869 NTT-OCNET
4732 106 358 DDI Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 661 1839 UUNET Technologies, Inc.
15870 432 12 Global Center Frankfurt
3301 426 918 TeliaNet Sweden
1257 282 504 Swipnet AB
1270 257 870 UUNET Germany
680 230 2053 Deutschef Forschurgsnetz
15878 217 9 Global Center Paris
3215 216 495 RAIN
5515 196 704 Sonera Finland
719 185 291 LANLINK
786 184 1904 JANET IP Service
3320 171 1410 Deutsche Telekom AG
8708 143 14 Romania Data System
5400 138 68 Concert Internet Plus Europea
3303 130 576 Swisscom
517 129 272 Xlink
5549 124 64 Seicom Computer Gmb
2856 120 776 BTnet UK Regional network
1267 106 1986 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 2463 8053 UUNET Technologies, Inc.
7018 959 7103 AT&T
1 912 8730 BBN Planet
7046 737 1087 UUNET Technologies, Inc.
1239 669 3301 Sprint ICM-Inria
3491 559 385 CAIS Internet
690 547 79 Merit Network
2914 541 2324 Verio, Inc.
4293 498 101 Cable & Wireless USA
3908 493 567 Supernet, Inc.
209 486 1856 Qwest
3561 469 2436 Cable & Wireless USA
2548 415 980 Digital Express Group, Inc.
18994 412 10 Global Crossing
2149 402 408 Performance Systems, Inc.
3549 387 849 Global Crossing
705 352 58 UUNET Technologies, Inc.
11371 334 100 Rhythms NetConnections
3967 331 454 Exodus Communication
15290 322 354 AT&T Canada IES
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2463 8053 UUNET Technologies, Inc.
1221 1613 1313 Telstra
7018 959 7103 AT&T
1 912 8730 BBN Planet
7046 737 1087 UUNET Technologies, Inc.
1239 669 3301 Sprint ICM-Inria
702 661 1839 UUNET Technologies, Inc.
3491 559 385 CAIS Internet
690 547 79 Merit Network
2914 541 2324 Verio, Inc.
4293 498 101 Cable & Wireless USA
3908 493 567 Supernet, Inc.
209 486 1856 Qwest
3561 469 2436 Cable & Wireless USA
15870 432 12 Global Center Frankfurt
2764 431 329 connect.com.au pty ltd
3301 426 918 TeliaNet Sweden
2548 415 980 Digital Express Group, Inc.
18994 412 10 Global Crossing
2149 402 408 Performance Systems, Inc.
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<<
172.122.0.0/16 701 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 /14:212 /15:356 /16:6904 /17:1187 /18:2192
/19:6726 /20:5320 /21:4486 /22:6785 /23:8633 /24:59675
/25:264 /26:346 /27:477 /28:416 /29:356 /30:317
/31:1 /32:87
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1597 2463 UUNET Technologies, Inc.
1221 1460 1613 Telstra
7046 572 737 UUNET Technologies, Inc.
690 544 547 Merit Network
3491 534 559 CAIS Internet
4293 481 498 Cable & Wireless USA
7018 462 959 AT&T
1 429 912 BBN Planet
15870 428 432 Global Center Frankfurt
702 415 661 UUNET Technologies, Inc.
18994 410 412 Global Crossing
3908 391 493 Supernet, Inc.
2764 387 431 connect.com.au pty ltd
209 366 486 Qwest
1239 352 669 Sprint ICM-Inria
11371 321 334 Rhythms NetConnections
18993 313 317 Global Crossing
705 308 352 UUNET Technologies, Inc.
2548 307 415 Digital Express Group, Inc.
703 287 354 UUNET Technologies, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:568 13:13 15:11
17:13 20:4 24:847 26:1 32:71 35:3
38:467 40:2 44:11 45:1 47:38 52:2
53:4 55:1 56:5 57:15 61:116 62:204
63:2528 64:2754 65:1129 66:721 80:21 128:59
129:199 130:54 131:63 132:39 133:1 134:235
135:13 136:36 137:176 138:277 139:117 140:247
141:226 142:113 143:97 144:192 145:31 146:191
147:182 148:201 149:133 150:60 151:264 152:1127
153:38 154:27 155:143 156:75 157:153 158:101
159:103 160:84 161:136 162:162 163:217 164:183
165:237 166:256 167:154 168:198 169:55 170:434
171:20 172:1 192:32 193:2569 194:2763 195:1071
196:4 198:7 199:3851 200:2693 202:3749 203:5704
204:4348 205:2899 206:4118 207:3727 208:5203 209:4128
210:775 211:286 212:1173 213:615 216:4725 217:420
218:3
End of report
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