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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 27 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 105167
Origin ASes present in the Internet Routing Table: 11146
Origin ASes announcing only one prefix: 4056
Transit ASes present in the Internet Routing Table: 1482
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: 1220363431
Equivalent to 72 /8s, 189 /16s and 68 /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: 71869
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15425
Prefixes being announced from the APNIC address blocks: 13966
APNIC Region origin ASes present in the Internet Routing Table: 1292
APNIC Region origin ASes announcing only one prefix: 453
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: 71889272
Equivalent to 4 /8s, 72 /16s and 241 /24s
Percentage of available APNIC address space announced: 70.7
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: 72685
Prefixes being announced from the ARIN address blocks: 51996
ARIN Region origin ASes present in the Internet Routing Table: 6758
ARIN Region origin ASes announcing only one prefix: 1998
ARIN Region transit ASes present in the Internet Routing Table: 697
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 199552596
Equivalent to 11 /8s, 228 /16s and 238 /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: 17057
Prefixes being announced from the RIPE address blocks: 13139
RIPE Region origin ASes present in the Internet Routing Table: 3105
RIPE Region origin ASes announcing only one prefix: 1605
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: 100571768
Equivalent to 5 /8s, 254 /16s and 154 /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 1729 1346 Telstra
2764 455 330 connect.com.au pty ltd
2907 367 1767 SINET Japan
703 355 376 UUNET Technologies, Inc.
4755 340 185 VSNL India
7474 233 291 Optus Communications
4134 227 1493 Data Communications Bureau
7539 208 181 TANet2, sponsored by NSC, TAI
4766 178 1258 KORnet Powered BY Korea Telec
4740 150 20 Ozemail
7545 143 21 TPG Internet Pty Ltd
9443 133 38 INTERNETPRIMUS-AS-A
7657 128 23 The Internet Group Limited
4786 127 15 NetConnect Communications Pty
4763 117 85 Telstra New Zealand
9583 117 61 Satyam Infoway Ltd.,
17561 115 151 Internet service provision to
7586 111 17 Paradox Digital Pty. Ltd
4713 107 869 NTT-OCNET
9797 103 32 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 659 1819 UUNET Technologies, Inc.
15870 430 12 Global Center Frankfurt
3301 412 917 TeliaNet Sweden
1257 282 504 Swipnet AB
1270 260 872 UUNET Germany
680 230 2053 Deutschef Forschurgsnetz
3215 219 495 RAIN
15878 217 9 Global Center Paris
719 185 291 LANLINK
786 184 1904 JANET IP Service
5515 175 654 Sonera Finland
3320 168 1410 Deutsche Telekom AG
8708 142 14 Romania Data System
5400 138 68 Concert Internet Plus Europea
3303 130 576 Swisscom
517 127 272 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 2476 8056 UUNET Technologies, Inc.
7018 939 6989 AT&T
1 931 8804 BBN Planet
7046 739 1088 UUNET Technologies, Inc.
3491 663 392 CAIS Internet
1239 642 3217 Sprint ICM-Inria
690 557 79 Merit Network
2914 544 2328 Verio, Inc.
3561 525 2457 Cable & Wireless USA
3908 500 566 Supernet, Inc.
4293 497 101 Cable & Wireless USA
209 478 1855 Qwest
2548 415 980 Digital Express Group, Inc.
18994 415 10 Global Crossing
2149 404 408 Performance Systems, Inc.
3549 376 889 Global Crossing
15290 376 442 AT&T Canada IES
5106 355 139 Ameritech Advanced Data Servi
705 342 57 UUNET Technologies, Inc.
11371 334 100 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2476 8056 UUNET Technologies, Inc.
1221 1729 1346 Telstra
7018 939 6989 AT&T
1 931 8804 BBN Planet
7046 739 1088 UUNET Technologies, Inc.
3491 663 392 CAIS Internet
702 659 1819 UUNET Technologies, Inc.
1239 642 3217 Sprint ICM-Inria
690 557 79 Merit Network
2914 544 2328 Verio, Inc.
3561 525 2457 Cable & Wireless USA
3908 500 566 Supernet, Inc.
4293 497 101 Cable & Wireless USA
209 478 1855 Qwest
2764 455 330 connect.com.au pty ltd
15870 430 12 Global Center Frankfurt
2548 415 980 Digital Express Group, Inc.
18994 415 10 Global Crossing
3301 412 917 TeliaNet Sweden
2149 404 408 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<<
172.32.1.0/25 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 /16:6904 /17:1180 /18:2185
/19:6745 /20:5295 /21:4492 /22:6785 /23:8665 /24:59771
/25:303 /26:377 /27:512 /28:462 /29:375 /30:318
/31:1 /32:85
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1615 2476 UUNET Technologies, Inc.
1221 1572 1729 Telstra
3491 638 663 CAIS Internet
7046 573 739 UUNET Technologies, Inc.
690 554 557 Merit Network
4293 480 497 Cable & Wireless USA
7018 452 939 AT&T
1 439 931 BBN Planet
15870 426 430 Global Center Frankfurt
702 418 659 UUNET Technologies, Inc.
18994 413 415 Global Crossing
2764 411 455 connect.com.au pty ltd
3908 399 500 Supernet, Inc.
209 358 478 Qwest
5106 342 355 Ameritech Advanced Data Servi
1239 328 642 Sprint ICM-Inria
11371 321 334 Rhythms NetConnections
18993 320 323 Global Crossing
3561 317 525 Cable & Wireless USA
2548 307 415 Digital Express Group, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:572 13:13 15:9
17:13 20:3 24:860 26:1 32:33 35:1
38:558 40:2 44:11 45:1 47:38 52:2
53:4 55:1 56:5 57:16 61:89 62:204
63:2566 64:2798 65:1093 66:718 80:14 128:59
129:198 130:55 131:63 132:40 133:1 134:237
135:16 136:36 137:176 138:277 139:68 140:248
141:225 142:149 143:97 144:185 145:31 146:190
147:181 148:203 149:129 150:60 151:262 152:1132
153:38 154:27 155:141 156:74 157:154 158:101
159:105 160:71 161:131 162:161 163:214 164:182
165:279 166:257 167:150 168:199 169:54 170:432
171:20 172:1 192:34 193:2556 194:2725 195:1025
196:4 198:6 199:3932 200:2728 202:3703 203:5915
204:4346 205:2920 206:4129 207:3766 208:5202 209:4144
210:770 211:280 212:1179 213:611 216:4743 217:395
218:3
End of report
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