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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 28 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104927
Origin ASes present in the Internet Routing Table: 11162
Origin ASes announcing only one prefix: 4070
Transit ASes present in the Internet Routing Table: 1489
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: 16
Number of addresses announced to Internet: 1236979233
Equivalent to 73 /8s, 186 /16s and 206 /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: 71621
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15415
Prefixes being announced from the APNIC address blocks: 13952
APNIC Region origin ASes present in the Internet Routing Table: 1296
APNIC Region origin ASes announcing only one prefix: 455
APNIC Region transit ASes present in the Internet Routing Table: 217
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 71977840
Equivalent to 4 /8s, 74 /16s and 75 /24s
Percentage of available APNIC address space announced: 70.8
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: 72470
Prefixes being announced from the ARIN address blocks: 51907
ARIN Region origin ASes present in the Internet Routing Table: 6769
ARIN Region origin ASes announcing only one prefix: 2002
ARIN Region transit ASes present in the Internet Routing Table: 711
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 199810074
Equivalent to 11 /8s, 232 /16s and 220 /24s
Percentage of available ARIN address space announced: 79.4
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: 17042
Prefixes being announced from the RIPE address blocks: 13145
RIPE Region origin ASes present in the Internet Routing Table: 3106
RIPE Region origin ASes announcing only one prefix: 1613
RIPE Region transit ASes present in the Internet Routing Table: 560
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 100531848
Equivalent to 5 /8s, 253 /16s and 254 /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 1728 1346 Telstra
2764 429 329 connect.com.au pty ltd
2907 367 1767 SINET Japan
703 354 360 UUNET Technologies, Inc.
4755 336 184 VSNL India
7474 234 292 Optus Communications
4134 227 1493 Data Communications Bureau
7539 208 181 TANet2, sponsored by NSC, TAI
4766 177 1258 KORnet Powered BY Korea Telec
4740 151 36 Ozemail
7545 143 21 TPG Internet Pty Ltd
9443 131 37 INTERNETPRIMUS-AS-A
4786 127 15 NetConnect Communications Pty
7657 126 23 The Internet Group Limited
4763 117 85 Telstra New Zealand
9583 115 60 Satyam Infoway Ltd.,
17561 115 151 Internet service provision to
7586 111 17 Paradox Digital Pty. 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
702 662 1812 UUNET Technologies, Inc.
15870 430 12 Global Center Frankfurt
3301 412 917 TeliaNet Sweden
1257 282 504 Swipnet AB
1270 258 872 UUNET Germany
680 230 2053 Deutschef Forschurgsnetz
15878 217 9 Global Center Paris
3215 215 495 RAIN
719 185 291 LANLINK
786 184 1904 JANET IP Service
5515 175 654 Sonera Finland
3320 167 1410 Deutsche Telekom AG
8708 142 14 Romania Data System
5400 137 68 Concert Internet Plus Europea
3303 130 576 Swisscom
517 129 272 Xlink
2856 120 776 BTnet UK Regional network
1267 106 1986 IUnet S.p.A
1290 95 406 PSINet UK Ltd.
3269 93 664 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2475 8055 UUNET Technologies, Inc.
7018 956 7103 AT&T
1 931 8789 BBN Planet
7046 737 1088 UUNET Technologies, Inc.
1239 642 3297 Sprint ICM-Inria
3491 566 385 CAIS Internet
690 545 79 Merit Network
2914 545 2328 Verio, Inc.
3561 523 2457 Cable & Wireless USA
4293 497 101 Cable & Wireless USA
3908 496 567 Supernet, Inc.
209 480 1855 Qwest
18994 415 10 Global Crossing
2548 414 980 Digital Express Group, Inc.
2149 405 409 Performance Systems, Inc.
15290 377 442 AT&T Canada IES
3549 376 892 Global Crossing
5106 353 139 Ameritech Advanced Data Servi
705 341 57 UUNET Technologies, Inc.
11371 334 100 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2475 8055 UUNET Technologies, Inc.
1221 1728 1346 Telstra
7018 956 7103 AT&T
1 931 8789 BBN Planet
7046 737 1088 UUNET Technologies, Inc.
702 662 1812 UUNET Technologies, Inc.
1239 642 3297 Sprint ICM-Inria
3491 566 385 CAIS Internet
690 545 79 Merit Network
2914 545 2328 Verio, Inc.
3561 523 2457 Cable & Wireless USA
4293 497 101 Cable & Wireless USA
3908 496 567 Supernet, Inc.
209 480 1855 Qwest
15870 430 12 Global Center Frankfurt
2764 429 329 connect.com.au pty ltd
18994 415 10 Global Crossing
2548 414 980 Digital Express Group, Inc.
3301 412 917 TeliaNet Sweden
2149 405 409 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
1.0.0.0/8 9781 TAEWOOL CO,LTD
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 /8:20 /9:5 /10:6 /11:9 /12:32
/13:78 /14:212 /15:353 /16:6893 /17:1186 /18:2182
/19:6739 /20:5304 /21:4474 /22:6773 /23:8639 /24:59637
/25:287 /26:364 /27:507 /28:453 /29:373 /30:317
/31:1 /32:83
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1613 2475 UUNET Technologies, Inc.
1221 1571 1728 Telstra
7046 571 737 UUNET Technologies, Inc.
690 542 545 Merit Network
3491 541 566 CAIS Internet
4293 480 497 Cable & Wireless USA
7018 461 956 AT&T
1 440 931 BBN Planet
15870 426 430 Global Center Frankfurt
702 419 662 UUNET Technologies, Inc.
18994 413 415 Global Crossing
3908 394 496 Supernet, Inc.
2764 385 429 connect.com.au pty ltd
209 360 480 Qwest
5106 340 353 Ameritech Advanced Data Servi
1239 326 642 Sprint ICM-Inria
11371 321 334 Rhythms NetConnections
18993 319 323 Global Crossing
3561 314 523 Cable & Wireless USA
2548 306 414 Digital Express Group, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:570 13:13 15:9
17:13 20:4 24:858 26:1 32:33 35:2
38:477 40:2 44:11 45:1 47:38 52:2
53:4 55:1 56:5 57:16 61:89 62:201
63:2561 64:2806 65:1098 66:711 80:15 128:60
129:197 130:55 131:64 132:40 133:1 134:237
135:16 136:36 137:176 138:275 139:85 140:247
141:226 142:119 143:96 144:190 145:31 146:191
147:181 148:203 149:130 150:61 151:262 152:1118
153:38 154:27 155:143 156:75 157:155 158:103
159:105 160:71 161:89 162:161 163:216 164:181
165:278 166:254 167:149 168:199 169:55 170:433
171:20 172:1 192:34 193:2537 194:2722 195:1031
196:4 198:6 199:3936 200:2726 202:3700 203:5891
204:4336 205:2920 206:4101 207:3760 208:5201 209:4112
210:775 211:284 212:1182 213:616 216:4723 217:411
218:3
End of report
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