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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 04 Jul, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104868
Origin ASes present in the Internet Routing Table: 11204
Origin ASes announcing only one prefix: 4095
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: 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: 1221730044
Equivalent to 72 /8s, 210 /16s and 30 /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: 71506
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15455
Prefixes being announced from the APNIC address blocks: 13985
APNIC Region origin ASes present in the Internet Routing Table: 1304
APNIC Region origin ASes announcing only one prefix: 461
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: 16
Number of APNIC addresses announced to Internet: 72147172
Equivalent to 4 /8s, 76 /16s and 224 /24s
Percentage of available APNIC address space announced: 70.9
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: 72212
Prefixes being announced from the ARIN address blocks: 51711
ARIN Region origin ASes present in the Internet Routing Table: 6782
ARIN Region origin ASes announcing only one prefix: 1999
ARIN Region transit ASes present in the Internet Routing Table: 706
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 199516647
Equivalent to 11 /8s, 228 /16s and 97 /24s
Percentage of available ARIN address space announced: 79.3
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: 17201
Prefixes being announced from the RIPE address blocks: 13284
RIPE Region origin ASes present in the Internet Routing Table: 3127
RIPE Region origin ASes announcing only one prefix: 1635
RIPE Region transit ASes present in the Internet Routing Table: 562
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 100891615
Equivalent to 6 /8s, 3 /16s and 123 /24s
Percentage of available RIPE address space announced: 66.8
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 1710 1330 Telstra
2764 437 346 connect.com.au pty ltd
2907 368 1783 SINET Japan
703 362 380 UUNET Technologies, Inc.
4755 289 167 VSNL India
7474 236 292 Optus Communications
4134 232 1573 Data Communications Bureau
4766 177 1258 KORnet Powered BY Korea Telec
7539 155 175 TANet2, sponsored by NSC, TAI
7545 143 21 TPG Internet Pty Ltd
4740 142 18 Ozemail
9443 131 37 INTERNETPRIMUS-AS-A
4786 125 14 NetConnect Communications Pty
4763 119 85 Telstra New Zealand
7657 115 22 The Internet Group Limited
17561 115 151 Internet service provision to
7586 111 17 Paradox Digital Pty. Ltd
9583 111 60 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
702 660 1844 UUNET Technologies, Inc.
3301 427 918 TeliaNet Sweden
15870 427 12 Global Center Frankfurt
1257 282 504 Swipnet AB
1270 258 870 UUNET Germany
680 230 2053 Deutschef Forschurgsnetz
3215 216 495 RAIN
15878 212 8 Global Center Paris
719 184 291 LANLINK
786 184 1904 JANET IP Service
5515 175 654 Sonera Finland
3320 171 1410 Deutsche Telekom AG
8708 146 15 Romania Data System
5400 139 68 Concert Internet Plus Europea
3303 130 576 Swisscom
517 126 272 Xlink
5549 126 67 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 8054 UUNET Technologies, Inc.
7018 954 7071 AT&T
1 913 8730 BBN Planet
7046 736 1086 UUNET Technologies, Inc.
1239 672 3319 Sprint ICM-Inria
690 550 95 Merit Network
2914 522 2322 Verio, Inc.
4293 497 101 Cable & Wireless USA
3908 493 583 Supernet, Inc.
209 485 1859 Qwest
3561 460 2436 Cable & Wireless USA
3491 448 378 CAIS Internet
705 425 62 UUNET Technologies, Inc.
2149 419 394 Performance Systems, Inc.
2548 414 980 Digital Express Group, Inc.
18994 410 10 Global Crossing
3549 348 813 Global Crossing
4323 348 315 Time Warner Communications, I
3967 337 455 Exodus Communication
11371 334 100 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2463 8054 UUNET Technologies, Inc.
1221 1710 1330 Telstra
7018 954 7071 AT&T
1 913 8730 BBN Planet
7046 736 1086 UUNET Technologies, Inc.
1239 672 3319 Sprint ICM-Inria
702 660 1844 UUNET Technologies, Inc.
690 550 95 Merit Network
2914 522 2322 Verio, Inc.
4293 497 101 Cable & Wireless USA
3908 493 583 Supernet, Inc.
209 485 1859 Qwest
3561 460 2436 Cable & Wireless USA
3491 448 378 CAIS Internet
2764 437 346 connect.com.au pty ltd
3301 427 918 TeliaNet Sweden
15870 427 12 Global Center Frankfurt
705 425 62 UUNET Technologies, Inc.
2149 419 394 Performance Systems, Inc.
2548 414 980 Digital Express Group, 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 1755 Ebone Consortium
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 1755 Ebone Consortium
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 /16:6911 /17:1182 /18:2188
/19:6740 /20:5334 /21:4476 /22:6799 /23:8619 /24:59506
/25:293 /26:367 /27:505 /28:453 /29:378 /30:334
/31:1 /32:66
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1599 2463 UUNET Technologies, Inc.
1221 1554 1710 Telstra
7046 571 736 UUNET Technologies, Inc.
690 546 550 Merit Network
4293 480 497 Cable & Wireless USA
7018 462 954 AT&T
1 430 913 BBN Planet
3491 423 448 CAIS Internet
15870 423 427 Global Center Frankfurt
702 412 660 UUNET Technologies, Inc.
18994 408 410 Global Crossing
2764 392 437 connect.com.au pty ltd
3908 390 493 Supernet, Inc.
705 385 425 UUNET Technologies, Inc.
209 367 485 Qwest
1239 353 672 Sprint ICM-Inria
11371 321 334 Rhythms NetConnections
18993 312 316 Global Crossing
2548 306 414 Digital Express Group, Inc.
4323 300 348 Time Warner Communications, I
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 24:849 26:1 32:33 35:2
38:363 40:2 43:4 44:11 45:1 47:38
52:2 53:4 55:1 56:5 57:15 61:123
62:196 63:2551 64:2703 65:1215 66:730 80:22
128:59 129:203 130:54 131:62 132:40 133:1
134:236 135:13 136:36 137:176 138:278 139:85
140:191 141:226 142:113 143:98 144:197 145:31
146:191 147:182 148:207 149:134 150:61 151:265
152:1107 153:38 154:27 155:175 156:93 157:156
158:101 159:103 160:85 161:134 162:162 163:217
164:183 165:240 166:257 167:154 168:201 169:55
170:435 171:20 172:1 192:34 193:2562 194:2745
195:1051 196:4 198:5 199:3844 200:2681 202:3755
203:5837 204:4338 205:2905 206:4108 207:3715 208:5212
209:4098 210:771 211:285 212:1167 213:647 216:4724
217:433 218:3
End of report
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