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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 24 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 105306
Origin ASes present in the Internet Routing Table: 11132
Origin ASes announcing only one prefix: 4058
Transit ASes present in the Internet Routing Table: 1490
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: 18
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: 1220240014
Equivalent to 72 /8s, 187 /16s and 98 /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: 71976
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15462
Prefixes being announced from the APNIC address blocks: 14016
APNIC Region origin ASes present in the Internet Routing Table: 1290
APNIC Region origin ASes announcing only one prefix: 453
APNIC Region transit ASes present in the Internet Routing Table: 220
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 71673132
Equivalent to 4 /8s, 69 /16s and 165 /24s
Percentage of available APNIC address space announced: 70.5
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: 72719
Prefixes being announced from the ARIN address blocks: 52006
ARIN Region origin ASes present in the Internet Routing Table: 6754
ARIN Region origin ASes announcing only one prefix: 1998
ARIN Region transit ASes present in the Internet Routing Table: 703
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 200042456
Equivalent to 11 /8s, 236 /16s and 103 /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: 17125
Prefixes being announced from the RIPE address blocks: 13213
RIPE Region origin ASes present in the Internet Routing Table: 3098
RIPE Region origin ASes announcing only one prefix: 1607
RIPE Region transit ASes present in the Internet Routing Table: 566
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 100588631
Equivalent to 5 /8s, 254 /16s and 220 /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 1745 1348 Telstra
2764 448 329 connect.com.au pty ltd
2907 368 1783 SINET Japan
703 352 376 UUNET Technologies, Inc.
4755 340 183 VSNL India
7474 229 275 Optus Communications
4134 220 1453 Data Communications Bureau
7539 208 181 TANet2, sponsored by NSC, TAI
4766 178 1258 KORnet Powered BY Korea Telec
4740 150 20 Ozemail
7545 148 23 TPG Internet Pty Ltd
7657 134 24 The Internet Group Limited
9443 133 38 INTERNETPRIMUS-AS-A
4786 125 15 NetConnect Communications Pty
4763 117 85 Telstra New Zealand
17561 115 151 Internet service provision to
7586 113 17 Paradox Digital Pty. Ltd
9583 112 59 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
702 655 1780 UUNET Technologies, Inc.
15870 434 12 Global Center Frankfurt
3301 408 916 TeliaNet Sweden
1257 282 504 Swipnet AB
1270 263 873 UUNET Germany
680 229 2053 Deutschef Forschurgsnetz
15878 217 9 Global Center Paris
3215 211 495 RAIN
719 185 291 LANLINK
786 185 1904 JANET IP Service
5515 175 654 Sonera Finland
3320 168 1410 Deutsche Telekom AG
8708 143 14 Romania Data System
5400 138 68 Concert Internet Plus Europea
3303 131 576 Swisscom
517 130 272 Xlink
9121 126 95 TTnet Autonomous System
2856 120 776 BTnet UK Regional network
1267 100 1954 IUnet S.p.A
1290 95 406 PSINet UK Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2470 8070 UUNET Technologies, Inc.
1 938 8825 BBN Planet
7018 935 6973 AT&T
7046 735 1072 UUNET Technologies, Inc.
3491 669 392 CAIS Internet
1239 650 3217 Sprint ICM-Inria
2914 552 2348 Verio, Inc.
690 549 92 Merit Network
3561 533 2473 Cable & Wireless USA
3908 501 566 Supernet, Inc.
4293 497 101 Cable & Wireless USA
209 478 1839 Qwest
2548 417 996 Digital Express Group, Inc.
18994 416 10 Global Crossing
2149 401 408 Performance Systems, Inc.
3549 396 1036 Global Crossing
5106 356 136 Ameritech Advanced Data Servi
11371 334 100 Rhythms NetConnections
15290 334 429 AT&T Canada IES
577 332 600 Bell Canada
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2470 8070 UUNET Technologies, Inc.
1221 1745 1348 Telstra
1 938 8825 BBN Planet
7018 935 6973 AT&T
7046 735 1072 UUNET Technologies, Inc.
3491 669 392 CAIS Internet
702 655 1780 UUNET Technologies, Inc.
1239 650 3217 Sprint ICM-Inria
2914 552 2348 Verio, Inc.
690 549 92 Merit Network
3561 533 2473 Cable & Wireless USA
3908 501 566 Supernet, Inc.
4293 497 101 Cable & Wireless USA
209 478 1839 Qwest
2764 448 329 connect.com.au pty ltd
15870 434 12 Global Center Frankfurt
2548 417 996 Digital Express Group, Inc.
18994 416 10 Global Crossing
3301 408 916 TeliaNet Sweden
2149 401 408 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
4834 UNALLOCATED 202.74.192.0/20 4648 NZIX 2
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 /16:6897 /17:1184 /18:2188
/19:6759 /20:5293 /21:4500 /22:6779 /23:8665 /24:59933
/25:289 /26:358 /27:512 /28:457 /29:374 /30:317
/31:1 /32:88
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1612 2470 UUNET Technologies, Inc.
1221 1588 1745 Telstra
3491 644 669 CAIS Internet
7046 572 735 UUNET Technologies, Inc.
690 545 549 Merit Network
4293 480 497 Cable & Wireless USA
7018 446 935 AT&T
1 444 938 BBN Planet
15870 430 434 Global Center Frankfurt
18994 414 416 Global Crossing
702 413 655 UUNET Technologies, Inc.
2764 404 448 connect.com.au pty ltd
3908 403 501 Supernet, Inc.
209 359 478 Qwest
5106 345 356 Ameritech Advanced Data Servi
1239 335 650 Sprint ICM-Inria
3561 323 533 Cable & Wireless USA
11371 321 334 Rhythms NetConnections
18993 319 322 Global Crossing
2548 307 417 Digital Express Group, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:569 13:13 15:9
17:13 20:2 24:854 26:1 32:33 38:563
40:2 44:11 47:38 52:2 53:4 55:1
56:5 57:16 61:90 62:201 63:2563 64:2801
65:1070 66:713 80:12 128:61 129:198 130:55
131:64 132:39 133:1 134:237 135:16 136:31
137:178 138:277 139:85 140:248 141:225 142:149
143:99 144:184 145:31 146:194 147:172 148:202
149:131 150:63 151:262 152:1121 153:37 154:27
155:142 156:75 157:156 158:104 159:105 160:71
161:131 162:161 163:213 164:174 165:281 166:258
167:150 168:200 169:55 170:430 171:20 172:1
192:35 193:2554 194:2730 195:1023 196:4 198:7
199:3940 200:2729 202:3717 203:5964 204:4354 205:2904
206:4143 207:3794 208:5170 209:4156 210:768 211:277
212:1272 213:605 216:4718 217:390 218:3
End of report
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