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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 17 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 105736
Origin ASes present in the Internet Routing Table: 11085
Origin ASes announcing only one prefix: 4036
Transit ASes present in the Internet Routing Table: 1470
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: 27
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: 1219316783
Equivalent to 72 /8s, 173 /16s and 76 /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: 72427
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15977
Prefixes being announced from the APNIC address blocks: 14527
APNIC Region origin ASes present in the Internet Routing Table: 1282
APNIC Region origin ASes announcing only one prefix: 452
APNIC Region transit ASes present in the Internet Routing Table: 214
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 70637840
Equivalent to 4 /8s, 53 /16s and 217 /24s
Percentage of available APNIC address space announced: 69.4
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: 72792
Prefixes being announced from the ARIN address blocks: 52057
ARIN Region origin ASes present in the Internet Routing Table: 6733
ARIN Region origin ASes announcing only one prefix: 1991
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: 13
Number of ARIN addresses announced to Internet: 200247607
Equivalent to 11 /8s, 239 /16s and 137 /24s
Percentage of available ARIN address space announced: 79.6
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: 16953
Prefixes being announced from the RIPE address blocks: 13048
RIPE Region origin ASes present in the Internet Routing Table: 3077
RIPE Region origin ASes announcing only one prefix: 1593
RIPE Region transit ASes present in the Internet Routing Table: 552
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 100542861
Equivalent to 5 /8s, 254 /16s and 41 /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 1723 1346 Telstra
2764 928 367 connect.com.au pty ltd
2907 374 1800 SINET Japan
4755 349 225 VSNL India
703 338 374 UUNET Technologies, Inc.
7474 227 275 Optus Communications
7539 220 195 TANet2, sponsored by NSC, TAI
4134 218 1439 Data Communications Bureau
4766 179 1258 KORnet Powered BY Korea Telec
4740 158 21 Ozemail
7545 146 21 TPG Internet Pty Ltd
7657 145 25 The Internet Group Limited
4786 144 16 NetConnect Communications Pty
9443 132 38 INTERNETPRIMUS-AS-A
9583 118 61 Satyam Infoway Ltd.,
4763 117 85 Telstra New Zealand
17561 115 151 Internet service provision to
7586 112 17 Paradox Digital Pty. Ltd
4713 106 869 NTT-OCNET
9797 103 31 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 654 1780 UUNET Technologies, Inc.
15870 433 7 Global Center Frankfurt
3301 411 917 TeliaNet Sweden
1257 282 504 Swipnet AB
1270 260 863 UUNET Germany
680 229 2053 Deutschef Forschurgsnetz
15878 216 8 Global Center Paris
3215 214 487 RAIN
786 186 1904 JANET IP Service
719 183 291 LANLINK
5515 175 654 Sonera Finland
3320 167 1410 Deutsche Telekom AG
5400 139 76 Concert Internet Plus Europea
8708 138 14 Romania Data System
3303 129 592 Swisscom
517 124 271 Xlink
2856 120 776 BTnet UK Regional network
1267 100 1956 IUnet S.p.A
1290 96 406 PSINet UK Ltd.
3269 92 664 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2461 8076 UUNET Technologies, Inc.
1 941 8842 BBN Planet
7018 938 7008 AT&T
7046 817 1099 UUNET Technologies, Inc.
3491 675 392 CAIS Internet
1239 653 3220 Sprint ICM-Inria
2914 550 2348 Verio, Inc.
3561 546 2407 Cable & Wireless USA
690 529 89 Merit Network
4293 495 101 Cable & Wireless USA
209 466 1838 Qwest
18994 464 10 Global Crossing
2548 418 997 Digital Express Group, Inc.
2149 407 424 Performance Systems, Inc.
3908 403 566 Supernet, Inc.
5106 352 137 Ameritech Advanced Data Servi
3549 339 1065 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 2461 8076 UUNET Technologies, Inc.
1221 1723 1346 Telstra
1 941 8842 BBN Planet
7018 938 7008 AT&T
2764 928 367 connect.com.au pty ltd
7046 817 1099 UUNET Technologies, Inc.
3491 675 392 CAIS Internet
702 654 1780 UUNET Technologies, Inc.
1239 653 3220 Sprint ICM-Inria
2914 550 2348 Verio, Inc.
3561 546 2407 Cable & Wireless USA
690 529 89 Merit Network
4293 495 101 Cable & Wireless USA
209 466 1838 Qwest
18994 464 10 Global Crossing
15870 433 7 Global Center Frankfurt
2548 418 997 Digital Express Group, Inc.
3301 411 917 TeliaNet Sweden
2149 407 424 Performance Systems, Inc.
3908 403 566 Supernet, 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.
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
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 /15:350 /16:6894 /17:1181 /18:2190
/19:6738 /20:5273 /21:4528 /22:6826 /23:8693 /24:60474
/25:239 /26:339 /27:441 /28:451 /29:367 /30:308
/31:1 /32:85
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1588 2461 UUNET Technologies, Inc.
1221 1574 1723 Telstra
2764 884 928 connect.com.au pty ltd
7046 653 817 UUNET Technologies, Inc.
3491 650 675 CAIS Internet
690 525 529 Merit Network
4293 478 495 Cable & Wireless USA
18994 462 464 Global Crossing
7018 450 938 AT&T
1 446 941 BBN Planet
15870 432 433 Global Center Frankfurt
702 413 654 UUNET Technologies, Inc.
209 349 466 Qwest
5106 340 352 Ameritech Advanced Data Servi
3561 337 546 Cable & Wireless USA
1239 330 653 Sprint ICM-Inria
11371 322 335 Rhythms NetConnections
18993 320 323 Global Crossing
2548 307 418 Digital Express Group, Inc.
3908 304 403 Supernet, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
6:12 9:6 12:563 13:13 15:11 17:13
20:2 24:855 26:1 30:1 32:31 35:3
38:572 40:2 44:11 47:37 52:2 53:4
55:1 56:5 57:15 61:90 62:190 63:2546
64:2830 65:991 66:701 80:8 128:62 129:222
130:62 131:60 132:37 133:1 134:237 135:15
136:29 137:172 138:235 139:84 140:264 141:224
142:147 143:99 144:182 145:32 146:189 147:169
148:195 149:172 150:60 151:258 152:1112 153:37
154:27 155:142 156:74 157:156 158:103 159:100
160:70 161:126 162:150 163:223 164:177 165:281
166:270 167:149 168:202 169:54 170:456 171:20
172:1 192:33 193:2544 194:2713 195:1021 196:2
198:5 199:4066 200:2696 202:3729 203:6135 204:4346
205:2929 206:4179 207:3812 208:5111 209:4189 210:1112
211:311 212:1180 213:591 216:4696 217:379
End of report
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