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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 02 Jul, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104844
Origin ASes present in the Internet Routing Table: 11177
Origin ASes announcing only one prefix: 4077
Transit ASes present in the Internet Routing Table: 1496
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: 1220527072
Equivalent to 72 /8s, 191 /16s and 195 /24s
Percentage of available address space announced: 32.9
Percentage of allocated address space announced: 64.0
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 71526
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15464
Prefixes being announced from the APNIC address blocks: 13987
APNIC Region origin ASes present in the Internet Routing Table: 1302
APNIC Region origin ASes announcing only one prefix: 460
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: 72215392
Equivalent to 4 /8s, 77 /16s and 235 /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: 72262
Prefixes being announced from the ARIN address blocks: 51728
ARIN Region origin ASes present in the Internet Routing Table: 6769
ARIN Region origin ASes announcing only one prefix: 1989
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: 199434039
Equivalent to 11 /8s, 227 /16s and 31 /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: 17118
Prefixes being announced from the RIPE address blocks: 13193
RIPE Region origin ASes present in the Internet Routing Table: 3115
RIPE Region origin ASes announcing only one prefix: 1628
RIPE Region transit ASes present in the Internet Routing Table: 565
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 100589415
Equivalent to 5 /8s, 254 /16s and 223 /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 1715 1330 Telstra
2764 435 346 connect.com.au pty ltd
2907 366 1766 SINET Japan
703 355 362 UUNET Technologies, Inc.
4755 293 167 VSNL India
7474 234 292 Optus Communications
4134 228 1525 Data Communications Bureau
7539 203 181 TANet2, sponsored by NSC, TAI
4766 178 1266 KORnet Powered BY Korea Telec
4740 151 36 Ozemail
7545 143 21 TPG Internet Pty Ltd
9443 130 37 INTERNETPRIMUS-AS-A
4786 126 15 NetConnect Communications Pty
7657 122 23 The Internet Group Limited
4763 116 85 Telstra New Zealand
17561 115 151 Internet service provision to
7586 112 17 Paradox Digital Pty. Ltd
9583 108 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
702 663 1841 UUNET Technologies, Inc.
15870 428 12 Global Center Frankfurt
3301 427 918 TeliaNet Sweden
1257 282 504 Swipnet AB
1270 256 870 UUNET Germany
680 230 2053 Deutschef Forschurgsnetz
3215 216 495 RAIN
15878 212 8 Global Center Paris
719 185 291 LANLINK
786 183 1888 JANET IP Service
5515 175 654 Sonera Finland
3320 171 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
5549 125 65 Seicom Computer Gmb
2856 120 776 BTnet UK Regional network
1267 106 1986 IUnet S.p.A
1290 95 406 PSINet UK Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2455 8030 UUNET Technologies, Inc.
7018 947 7070 AT&T
1 912 8730 BBN Planet
7046 737 1086 UUNET Technologies, Inc.
1239 672 3317 Sprint ICM-Inria
3491 558 385 CAIS Internet
2914 541 2323 Verio, Inc.
690 532 78 Merit Network
4293 498 101 Cable & Wireless USA
3908 493 583 Supernet, Inc.
209 481 1853 Qwest
3561 463 2437 Cable & Wireless USA
705 420 62 UUNET Technologies, Inc.
2548 414 980 Digital Express Group, Inc.
18994 412 10 Global Crossing
2149 398 392 Performance Systems, Inc.
3549 347 797 Global Crossing
11371 334 100 Rhythms NetConnections
3967 330 454 Exodus Communication
15290 322 354 AT&T Canada IES
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2455 8030 UUNET Technologies, Inc.
1221 1715 1330 Telstra
7018 947 7070 AT&T
1 912 8730 BBN Planet
7046 737 1086 UUNET Technologies, Inc.
1239 672 3317 Sprint ICM-Inria
702 663 1841 UUNET Technologies, Inc.
3491 558 385 CAIS Internet
2914 541 2323 Verio, Inc.
690 532 78 Merit Network
4293 498 101 Cable & Wireless USA
3908 493 583 Supernet, Inc.
209 481 1853 Qwest
3561 463 2437 Cable & Wireless USA
2764 435 346 connect.com.au pty ltd
15870 428 12 Global Center Frankfurt
3301 427 918 TeliaNet Sweden
705 420 62 UUNET Technologies, Inc.
2548 414 980 Digital Express Group, Inc.
18994 412 10 Global Crossing
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 /14:212 /15:355 /16:6893 /17:1186 /18:2191
/19:6725 /20:5316 /21:4477 /22:6783 /23:8601 /24:59569
/25:293 /26:376 /27:504 /28:456 /29:372 /30:319
/31:1 /32:66
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1595 2455 UUNET Technologies, Inc.
1221 1559 1715 Telstra
7046 572 737 UUNET Technologies, Inc.
3491 533 558 CAIS Internet
690 529 532 Merit Network
4293 481 498 Cable & Wireless USA
7018 458 947 AT&T
1 430 912 BBN Planet
15870 424 428 Global Center Frankfurt
702 417 663 UUNET Technologies, Inc.
18994 410 412 Global Crossing
2764 390 435 connect.com.au pty ltd
3908 390 493 Supernet, Inc.
705 376 420 UUNET Technologies, Inc.
209 362 481 Qwest
1239 353 672 Sprint ICM-Inria
11371 321 334 Rhythms NetConnections
18993 312 316 Global Crossing
2548 306 414 Digital Express Group, Inc.
703 288 355 UUNET Technologies, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:574 13:13 15:11
17:13 20:4 24:849 26:1 32:33 35:2
38:465 40:2 44:11 45:1 47:38 52:2
53:4 55:1 56:5 57:15 61:116 62:202
63:2549 64:2708 65:1196 66:720 80:21 128:59
129:199 130:54 131:63 132:38 133:1 134:235
135:13 136:36 137:176 138:277 139:85 140:243
141:226 142:113 143:97 144:195 145:31 146:191
147:181 148:205 149:134 150:60 151:264 152:1091
153:38 154:27 155:144 156:75 157:157 158:99
159:103 160:85 161:139 162:163 163:216 164:182
165:237 166:255 167:151 168:197 169:55 170:434
171:20 172:1 192:34 193:2548 194:2738 195:1042
196:4 198:8 199:3846 200:2693 202:3749 203:5850
204:4333 205:2904 206:4130 207:3717 208:5211 209:4117
210:767 211:284 212:1166 213:613 216:4724 217:425
218:3
End of report
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