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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 21 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 105290
Origin ASes present in the Internet Routing Table: 11127
Origin ASes announcing only one prefix: 4062
Transit ASes present in the Internet Routing Table: 1472
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: 25
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: 1219960853
Equivalent to 72 /8s, 183 /16s and 32 /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: 71941
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15512
Prefixes being announced from the APNIC address blocks: 14066
APNIC Region origin ASes present in the Internet Routing Table: 1283
APNIC Region origin ASes announcing only one prefix: 453
APNIC Region transit ASes present in the Internet Routing Table: 216
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 71072460
Equivalent to 4 /8s, 60 /16s and 122 /24s
Percentage of available APNIC address space announced: 69.9
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: 72850
Prefixes being announced from the ARIN address blocks: 52110
ARIN Region origin ASes present in the Internet Routing Table: 6762
ARIN Region origin ASes announcing only one prefix: 2004
ARIN Region transit ASes present in the Internet Routing Table: 698
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 200233341
Equivalent to 11 /8s, 239 /16s and 81 /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: 16919
Prefixes being announced from the RIPE address blocks: 13011
RIPE Region origin ASes present in the Internet Routing Table: 3091
RIPE Region origin ASes announcing only one prefix: 1605
RIPE Region transit ASes present in the Internet Routing Table: 558
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 100658861
Equivalent to 5 /8s, 255 /16s and 238 /24s
Percentage of available RIPE address space announced: 66.7
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 1740 1347 Telstra
2764 503 334 connect.com.au pty ltd
2907 367 1783 SINET Japan
703 346 375 UUNET Technologies, Inc.
4755 345 186 VSNL India
7474 229 275 Optus Communications
4134 220 1441 Data Communications Bureau
7539 208 183 TANet2, sponsored by NSC, TAI
4766 179 1258 KORnet Powered BY Korea Telec
4740 157 21 Ozemail
7545 149 23 TPG Internet Pty Ltd
7657 134 24 The Internet Group Limited
9443 132 38 INTERNETPRIMUS-AS-A
4786 123 14 NetConnect Communications Pty
4763 117 85 Telstra New Zealand
17561 115 151 Internet service provision to
7586 113 17 Paradox Digital Pty. Ltd
9583 113 58 Satyam Infoway 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
702 653 1779 UUNET Technologies, Inc.
15870 433 8 Global Center Frankfurt
3301 412 917 TeliaNet Sweden
1257 283 505 Swipnet AB
1270 261 879 UUNET Germany
680 229 2053 Deutschef Forschurgsnetz
15878 216 8 Global Center Paris
3215 208 494 RAIN
786 185 1904 JANET IP Service
719 183 291 LANLINK
5515 175 654 Sonera Finland
3320 166 1410 Deutsche Telekom AG
8708 139 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 100 1954 IUnet S.p.A
1290 95 406 PSINet UK Ltd.
3269 91 663 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2456 8038 UUNET Technologies, Inc.
1 935 8827 BBN Planet
7018 935 6992 AT&T
7046 784 1094 UUNET Technologies, Inc.
3491 675 392 CAIS Internet
1239 662 3235 Sprint ICM-Inria
2914 553 2348 Verio, Inc.
690 546 92 Merit Network
3561 546 2386 Cable & Wireless USA
4293 494 101 Cable & Wireless USA
209 469 1854 Qwest
18994 462 11 Global Crossing
2548 416 997 Digital Express Group, Inc.
2149 406 424 Performance Systems, Inc.
3908 403 565 Supernet, Inc.
3549 395 1041 Global Crossing
5106 358 137 Ameritech Advanced Data Servi
4323 348 299 Time Warner Communications, I
11371 334 100 Rhythms NetConnections
3967 333 455 Exodus Communication
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2456 8038 UUNET Technologies, Inc.
1221 1740 1347 Telstra
1 935 8827 BBN Planet
7018 935 6992 AT&T
7046 784 1094 UUNET Technologies, Inc.
3491 675 392 CAIS Internet
1239 662 3235 Sprint ICM-Inria
702 653 1779 UUNET Technologies, Inc.
2914 553 2348 Verio, Inc.
690 546 92 Merit Network
3561 546 2386 Cable & Wireless USA
2764 503 334 connect.com.au pty ltd
4293 494 101 Cable & Wireless USA
209 469 1854 Qwest
18994 462 11 Global Crossing
15870 433 8 Global Center Frankfurt
2548 416 997 Digital Express Group, Inc.
3301 412 917 TeliaNet Sweden
2149 406 424 Performance Systems, Inc.
3908 403 565 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.
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
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 /16:6892 /17:1186 /18:2186
/19:6755 /20:5290 /21:4510 /22:6802 /23:8664 /24:60026
/25:262 /26:350 /27:435 /28:455 /29:371 /30:310
/31:1 /32:83
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1600 2456 UUNET Technologies, Inc.
1221 1583 1740 Telstra
3491 650 675 CAIS Internet
7046 620 784 UUNET Technologies, Inc.
690 542 546 Merit Network
4293 477 494 Cable & Wireless USA
2764 459 503 connect.com.au pty ltd
18994 459 462 Global Crossing
7018 448 935 AT&T
1 439 935 BBN Planet
15870 431 433 Global Center Frankfurt
702 411 653 UUNET Technologies, Inc.
209 351 469 Qwest
5106 346 358 Ameritech Advanced Data Servi
3561 341 546 Cable & Wireless USA
1239 339 662 Sprint ICM-Inria
11371 321 334 Rhythms NetConnections
18993 320 323 Global Crossing
2548 305 416 Digital Express Group, Inc.
3908 304 403 Supernet, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
6:12 9:6 12:568 13:13 15:11 17:13
20:2 24:860 26:1 30:1 32:33 35:3
38:572 40:2 44:11 47:38 52:2 53:4
55:1 56:5 57:15 61:90 62:197 63:2517
64:2842 65:1018 66:712 80:12 128:61 129:196
130:62 131:63 132:40 133:1 134:237 135:16
136:28 137:172 138:276 139:83 140:246 141:224
142:147 143:99 144:180 145:31 146:191 147:133
148:207 149:175 150:61 151:262 152:1118 153:37
154:23 155:141 156:74 157:153 158:102 159:99
160:70 161:130 162:161 163:221 164:188 165:284
166:256 167:149 168:204 169:55 170:433 171:20
172:1 192:31 193:2555 194:2712 195:999 196:4
198:7 199:3947 200:2698 202:3707 203:5993 204:4355
205:2938 206:4186 207:3810 208:5167 209:4195 210:819
211:280 212:1147 213:590 216:4744 217:384 218:2
End of report
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