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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 19 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 105957
Origin ASes present in the Internet Routing Table: 11107
Origin ASes announcing only one prefix: 4036
Transit ASes present in the Internet Routing Table: 1483
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: 30
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: 1219662099
Equivalent to 72 /8s, 178 /16s and 145 /24s
Percentage of available address space announced: 32.9
Percentage of allocated address space announced: 63.9
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 72618
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16021
Prefixes being announced from the APNIC address blocks: 14575
APNIC Region origin ASes present in the Internet Routing Table: 1284
APNIC Region origin ASes announcing only one prefix: 451
APNIC Region transit ASes present in the Internet Routing Table: 218
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 70895936
Equivalent to 4 /8s, 57 /16s and 201 /24s
Percentage of available APNIC address space announced: 69.7
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: 72951
Prefixes being announced from the ARIN address blocks: 52098
ARIN Region origin ASes present in the Internet Routing Table: 6747
ARIN Region origin ASes announcing only one prefix: 1993
ARIN Region transit ASes present in the Internet Routing Table: 701
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 200059283
Equivalent to 11 /8s, 236 /16s and 169 /24s
Percentage of available ARIN address space announced: 79.5
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: 16971
Prefixes being announced from the RIPE address blocks: 13085
RIPE Region origin ASes present in the Internet Routing Table: 3086
RIPE Region origin ASes announcing only one prefix: 1592
RIPE Region transit ASes present in the Internet Routing Table: 564
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 100868517
Equivalent to 6 /8s, 3 /16s and 33 /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 1738 1347 Telstra
2764 929 367 connect.com.au pty ltd
2907 367 1783 SINET Japan
703 343 375 UUNET Technologies, Inc.
4755 341 204 VSNL India
7474 228 275 Optus Communications
4134 219 1441 Data Communications Bureau
7539 208 183 TANet2, sponsored by NSC, TAI
4766 179 1258 KORnet Powered BY Korea Telec
4740 159 21 Ozemail
7545 147 21 TPG Internet Pty Ltd
7657 144 25 The Internet Group Limited
9443 132 38 INTERNETPRIMUS-AS-A
4786 129 15 NetConnect Communications Pty
4763 117 85 Telstra New Zealand
9583 115 60 Satyam Infoway Ltd.,
17561 115 151 Internet service provision to
7586 113 17 Paradox Digital Pty. Ltd
4713 107 869 NTT-OCNET
9797 104 32 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 655 1783 UUNET Technologies, Inc.
15870 433 7 Global Center Frankfurt
3301 411 917 TeliaNet Sweden
1257 282 504 Swipnet AB
1270 261 863 UUNET Germany
680 229 2053 Deutschef Forschurgsnetz
3215 218 503 RAIN
15878 216 8 Global Center Paris
786 185 1904 JANET IP Service
719 183 291 LANLINK
5515 175 654 Sonera Finland
3320 167 1410 Deutsche Telekom AG
8708 139 14 Romania Data System
5400 138 74 Concert Internet Plus Europea
3303 129 592 Swisscom
517 124 271 Xlink
2856 120 776 BTnet UK Regional network
1267 99 1954 IUnet S.p.A
1290 97 406 PSINet UK Ltd.
3269 92 664 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2457 8041 UUNET Technologies, Inc.
1 941 8842 BBN Planet
7018 938 6992 AT&T
7046 817 1098 UUNET Technologies, Inc.
3491 675 392 CAIS Internet
1239 664 3221 Sprint ICM-Inria
2914 552 2348 Verio, Inc.
3561 548 2418 Cable & Wireless USA
690 530 73 Merit Network
4293 495 101 Cable & Wireless USA
209 466 1838 Qwest
18994 464 10 Global Crossing
2548 417 997 Digital Express Group, Inc.
3908 405 566 Supernet, Inc.
2149 404 408 Performance Systems, Inc.
5106 353 137 Ameritech Advanced Data Servi
3549 351 1050 Global Crossing
3967 338 456 Exodus Communication
11371 335 100 Rhythms NetConnections
15290 334 429 AT&T Canada IES
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2457 8041 UUNET Technologies, Inc.
1221 1738 1347 Telstra
1 941 8842 BBN Planet
7018 938 6992 AT&T
2764 929 367 connect.com.au pty ltd
7046 817 1098 UUNET Technologies, Inc.
3491 675 392 CAIS Internet
1239 664 3221 Sprint ICM-Inria
702 655 1783 UUNET Technologies, Inc.
2914 552 2348 Verio, Inc.
3561 548 2418 Cable & Wireless USA
690 530 73 Merit Network
4293 495 101 Cable & Wireless USA
209 466 1838 Qwest
18994 464 10 Global Crossing
15870 433 7 Global Center Frankfurt
2548 417 997 Digital Express Group, Inc.
3301 411 917 TeliaNet Sweden
3908 405 566 Supernet, Inc.
2149 404 408 Performance Systems, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65530 PRIVATE 63.188.0.0/20 4999 Sprint
65530 PRIVATE 63.188.0.0/18 4999 Sprint
65530 PRIVATE 63.188.48.0/20 4999 Sprint
65530 PRIVATE 63.188.64.0/20 4999 Sprint
65530 PRIVATE 63.188.64.0/18 4999 Sprint
65530 PRIVATE 63.188.112.0/20 4999 Sprint
65530 PRIVATE 63.188.128.0/20 4999 Sprint
65530 PRIVATE 63.188.128.0/18 4999 Sprint
65530 PRIVATE 63.188.176.0/20 4999 Sprint
578 UNALLOCATED 64.230.242.0/27 577 Bell Canada
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
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
65400 PRIVATE 202.52.32.0/24 10530 Interpacket Group, I
65400 PRIVATE 202.52.32.0/23 10530 Interpacket Group, I
65400 PRIVATE 202.52.33.0/24 10530 Interpacket Group, I
65400 PRIVATE 202.52.34.0/24 10530 Interpacket Group, I
65400 PRIVATE 202.52.35.0/24 10530 Interpacket Group, I
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
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 /14:209 /15:352 /16:6893 /17:1184 /18:2187
/19:6740 /20:5277 /21:4530 /22:6841 /23:8715 /24:60599
/25:260 /26:358 /27:443 /28:456 /29:369 /30:309
/31:1 /32:85
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1589 1738 Telstra
701 1587 2457 UUNET Technologies, Inc.
2764 885 929 connect.com.au pty ltd
7046 654 817 UUNET Technologies, Inc.
3491 650 675 CAIS Internet
690 527 530 Merit Network
4293 478 495 Cable & Wireless USA
18994 462 464 Global Crossing
7018 451 938 AT&T
1 445 941 BBN Planet
15870 432 433 Global Center Frankfurt
702 413 655 UUNET Technologies, Inc.
209 349 466 Qwest
5106 341 353 Ameritech Advanced Data Servi
3561 340 548 Cable & Wireless USA
1239 336 664 Sprint ICM-Inria
11371 322 335 Rhythms NetConnections
18993 320 323 Global Crossing
2548 306 417 Digital Express Group, Inc.
3908 305 405 Supernet, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
6:12 9:6 12:562 13:13 15:11 17:13
20:2 24:855 26:1 30:1 32:49 35:4
38:572 40:2 44:11 47:35 52:2 53:4
55:1 56:5 57:15 61:91 62:194 63:2542
64:2842 65:998 66:704 80:11 128:62 129:223
130:62 131:63 132:37 133:1 134:237 135:15
136:29 137:172 138:276 139:93 140:254 141:224
142:147 143:99 144:186 145:32 146:189 147:171
148:194 149:172 150:60 151:257 152:1112 153:37
154:27 155:142 156:74 157:153 158:102 159:99
160:70 161:126 162:150 163:225 164:177 165:285
166:270 167:149 168:204 169:54 170:456 171:20
172:1 192:33 193:2553 194:2723 195:1038 196:4
198:5 199:3972 200:2704 202:3739 203:6158 204:4359
205:2935 206:4180 207:3819 208:5133 209:4221 210:1114
211:311 212:1185 213:574 216:4729 217:387 218:1
End of report
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