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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 Jul, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104975
Origin ASes present in the Internet Routing Table: 11342
Origin ASes announcing only one prefix: 4157
Transit ASes present in the Internet Routing Table: 1506
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 15
Illegal AS announcements present in the Routing Table: 42
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 18
Number of addresses announced to Internet: 1246787483
Equivalent to 74 /8s, 80 /16s and 119 /24s
Percentage of available address space announced: 33.6
Percentage of allocated address space announced: 65.3
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 71356
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15633
Prefixes being announced from the APNIC address blocks: 14074
APNIC Region origin ASes present in the Internet Routing Table: 1330
APNIC Region origin ASes announcing only one prefix: 463
APNIC Region transit ASes present in the Internet Routing Table: 227
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 74270958
Equivalent to 4 /8s, 109 /16s and 72 /24s
Percentage of available APNIC address space announced: 73.0
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: 71983
Prefixes being announced from the ARIN address blocks: 51895
ARIN Region origin ASes present in the Internet Routing Table: 6823
ARIN Region origin ASes announcing only one prefix: 2008
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: 201448512
Equivalent to 12 /8s, 1 /16s and 220 /24s
Percentage of available ARIN address space announced: 80.0
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: 17354
Prefixes being announced from the RIPE address blocks: 13451
RIPE Region origin ASes present in the Internet Routing Table: 3202
RIPE Region origin ASes announcing only one prefix: 1686
RIPE Region transit ASes present in the Internet Routing Table: 576
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 101566967
Equivalent to 6 /8s, 13 /16s and 201 /24s
Percentage of available RIPE address space announced: 67.3
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 1678 1347 Telstra
2764 433 345 connect.com.au pty ltd
703 399 383 UUNET Technologies, Inc.
2907 369 1814 SINET Japan
4755 301 167 VSNL India
7474 242 292 Optus Communications
4134 233 1632 Data Communications Bureau
7539 207 165 TANet2, sponsored by NSC, TAI
4766 176 1336 KORnet Powered BY Korea Telec
7545 145 21 TPG Internet Pty Ltd
9443 141 39 INTERNETPRIMUS-AS-A
4786 130 17 NetConnect Communications Pty
4763 119 69 Telstra New Zealand
17561 115 151 Internet service provision to
7657 113 22 The Internet Group Limited
7586 112 17 Paradox Digital Pty. Ltd
4812 111 279 Shanghai Telecom Company
4713 109 878 NTT-OCNET
4740 109 15 Ozemail
9583 109 60 Satyam Infoway Ltd.,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 679 1846 UUNET Technologies, Inc.
3301 430 918 TeliaNet Sweden
15870 417 12 Global Center Frankfurt
1257 280 520 Swipnet AB
1270 244 868 UUNET Germany
680 229 2069 Deutschef Forschurgsnetz
3215 222 495 RAIN
15878 202 8 Global Center Paris
719 186 291 LANLINK
786 181 1874 JANET IP Service
3320 175 1411 Deutsche Telekom AG
5515 174 654 Sonera Finland
8708 151 15 Romania Data System
5400 139 66 Concert Internet Plus Europea
3303 130 575 Swisscom
517 124 272 Xlink
2856 123 776 BTnet UK Regional network
5549 117 66 Seicom Computer Gmb
8503 109 3 PCNET - PCNET DATA Network
1267 107 1989 IUnet S.p.A
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2315 8303 UUNET Technologies, Inc.
7018 966 6962 AT&T
1 908 8716 BBN Planet
7046 750 1072 UUNET Technologies, Inc.
1239 687 3327 Sprint ICM-Inria
690 522 93 Merit Network
2914 518 2319 Verio, Inc.
4293 491 99 Cable & Wireless USA
209 475 1883 Qwest
3561 432 2450 Cable & Wireless USA
3908 415 583 Supernet, Inc.
2548 414 1010 Digital Express Group, Inc.
2149 408 361 Performance Systems, Inc.
18994 397 10 Global Crossing
4323 362 316 Time Warner Communications, I
3549 360 819 Global Crossing
11371 337 100 Rhythms NetConnections
3967 331 450 Exodus Communication
15290 321 340 AT&T Canada IES
6347 316 353 SAVVIS Communications Corpora
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2315 8303 UUNET Technologies, Inc.
1221 1678 1347 Telstra
7018 966 6962 AT&T
1 908 8716 BBN Planet
7046 750 1072 UUNET Technologies, Inc.
1239 687 3327 Sprint ICM-Inria
702 679 1846 UUNET Technologies, Inc.
690 522 93 Merit Network
2914 518 2319 Verio, Inc.
4293 491 99 Cable & Wireless USA
209 475 1883 Qwest
2764 433 345 connect.com.au pty ltd
3561 432 2450 Cable & Wireless USA
3301 430 918 TeliaNet Sweden
15870 417 12 Global Center Frankfurt
3908 415 583 Supernet, Inc.
2548 414 1010 Digital Express Group, Inc.
2149 408 361 Performance Systems, Inc.
703 399 383 UUNET Technologies, Inc.
18994 397 10 Global Crossing
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18541 UNALLOCATED 63.166.66.0/24 1239 Sprint ICM-Inria
18541 UNALLOCATED 63.169.205.0/24 1239 Sprint ICM-Inria
19714 UNALLOCATED 64.166.88.0/24 701 UUNET Technologies,
578 UNALLOCATED 64.230.242.0/28 577 Bell Canada
578 UNALLOCATED 64.230.242.16/28 577 Bell Canada
65501 PRIVATE 64.243.116.0/24 16890 K&G Network Services
19714 UNALLOCATED 65.200.78.0/23 701 UUNET Technologies,
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
19062 UNALLOCATED 192.197.96.0/20 1691 BCTEL Advanced Commu
65460 PRIVATE 192.231.11.0/24 7018 AT&T
5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies,
65534 PRIVATE 200.40.20.0/24 6057 Av. Fernandez Crespo
65534 PRIVATE 200.40.23.0/24 6057 Av. Fernandez Crespo
17657 UNALLOCATED 202.161.160.0/20 9653 AGNS HongKong NET
4831 UNALLOCATED 202.172.32.0/20 9740 Cable & Wireless Net
21637 UNALLOCATED 204.1.98.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.1.106.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.1.107.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.1.108.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.1.109.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.68.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.76.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.94.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.95.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.96.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.100.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.104.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.106.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.107.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.109.0/24 2914 Verio, Inc.
21637 UNALLOCATED 204.27.115.0/24 2914 Verio, Inc.
20413 UNALLOCATED 204.108.128.0/17 6347 SAVVIS Communication
19551 UNALLOCATED 204.229.224.0/22 6226 US West Communicatio
20413 UNALLOCATED 207.8.234.0/24 6347 SAVVIS Communication
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
20413 UNALLOCATED 207.106.119.0/24 6347 SAVVIS Communication
19322 UNALLOCATED 208.44.17.0/24 209 Qwest
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
82.105.0.0/16 3269 TELECOM ITALIA
82.105.128.0/17 3269 TELECOM ITALIA
99.0.0.0/8 9638 National Agricultural Coopera
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 US DOD NIC Unregistered
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 /8:20 /9:5 /10:6 /11:9 /12:33
/13:83 /14:216 /15:357 /16:6933 /17:1187 /18:2244
/19:6758 /20:5453 /21:4543 /22:6828 /23:8651 /24:59356
/25:290 /26:362 /27:430 /28:442 /29:357 /30:338
/31:1 /32:73
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1523 1678 Telstra
701 1450 2315 UUNET Technologies, Inc.
7046 583 750 UUNET Technologies, Inc.
690 518 522 Merit Network
7018 492 966 AT&T
4293 475 491 Cable & Wireless USA
702 428 679 UUNET Technologies, Inc.
1 427 908 BBN Planet
15870 413 417 Global Center Frankfurt
18994 395 397 Global Crossing
2764 389 433 connect.com.au pty ltd
1239 369 687 Sprint ICM-Inria
209 352 475 Qwest
703 329 399 UUNET Technologies, Inc.
11371 324 337 Rhythms NetConnections
3908 317 415 Supernet, Inc.
4323 314 362 Time Warner Communications, I
18993 308 312 Global Crossing
2548 304 414 Digital Express Group, Inc.
8013 277 307 PSINet Ltd. Canada
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:584 13:13 15:11
17:13 20:7 24:856 26:1 32:42 35:3
38:30 40:2 43:4 44:10 45:1 47:40
52:2 53:4 55:1 56:5 57:16 61:137
62:193 63:2512 64:2748 65:1009 66:795 80:44
128:61 129:188 130:54 131:67 132:41 133:1
134:236 135:10 136:36 137:178 138:233 139:86
140:250 141:225 142:109 143:98 144:201 145:32
146:199 147:180 148:243 149:123 150:63 151:261
152:978 153:42 154:28 155:144 156:92 157:155
158:114 159:82 160:85 161:147 162:161 163:239
164:170 165:250 166:261 167:152 168:217 169:53
170:448 171:20 172:1 192:32 193:2611 194:2748
195:1075 196:3 198:6 199:3900 200:2775 202:3757
203:5772 204:4378 205:2919 206:4146 207:3634 208:5228
209:4101 210:790 211:333 212:1120 213:710 216:4760
217:443 218:3
End of report
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