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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 11 Jul, 2001
Analysis Summary
----------------
BGP routing table entries examined: 105149
Origin ASes present in the Internet Routing Table: 11268
Origin ASes announcing only one prefix: 4131
Transit ASes present in the Internet Routing Table: 1505
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: 17
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 17
Number of addresses announced to Internet: 1242515992
Equivalent to 74 /8s, 15 /16s and 74 /24s
Percentage of available address space announced: 33.5
Percentage of allocated address space announced: 65.1
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 71665
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15551
Prefixes being announced from the APNIC address blocks: 14018
APNIC Region origin ASes present in the Internet Routing Table: 1313
APNIC Region origin ASes announcing only one prefix: 460
APNIC Region transit ASes present in the Internet Routing Table: 221
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 73073718
Equivalent to 4 /8s, 91 /16s and 4 /24s
Percentage of available APNIC address space announced: 71.8
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: 72278
Prefixes being announced from the ARIN address blocks: 51810
ARIN Region origin ASes present in the Internet Routing Table: 6802
ARIN Region origin ASes announcing only one prefix: 2012
ARIN Region transit ASes present in the Internet Routing Table: 708
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 201034960
Equivalent to 11 /8s, 251 /16s and 140 /24s
Percentage of available ARIN address space announced: 79.9
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: 17319
Prefixes being announced from the RIPE address blocks: 13402
RIPE Region origin ASes present in the Internet Routing Table: 3162
RIPE Region origin ASes announcing only one prefix: 1659
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: 101191593
Equivalent to 6 /8s, 8 /16s and 15 /24s
Percentage of available RIPE address space announced: 67.0
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 1680 1315 Telstra
2764 431 345 connect.com.au pty ltd
703 391 382 UUNET Technologies, Inc.
2907 367 1782 SINET Japan
4755 293 167 VSNL India
7474 240 293 Optus Communications
4134 234 1609 Data Communications Bureau
7539 209 183 TANet2, sponsored by NSC, TAI
4766 176 1242 KORnet Powered BY Korea Telec
7545 146 21 TPG Internet Pty Ltd
9443 132 38 INTERNETPRIMUS-AS-A
4786 130 17 NetConnect Communications Pty
4740 120 16 Ozemail
4763 118 69 Telstra New Zealand
17561 115 151 Internet service provision to
9583 114 60 Satyam Infoway Ltd.,
7657 113 22 The Internet Group Limited
7586 112 17 Paradox Digital Pty. Ltd
4713 107 869 NTT-OCNET
4812 107 259 Asia Pacific Network Informat
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 671 1848 UUNET Technologies, Inc.
3301 428 918 TeliaNet Sweden
15870 426 12 Global Center Frankfurt
1257 278 504 Swipnet AB
1270 249 868 UUNET Germany
680 229 2053 Deutschef Forschurgsnetz
3215 220 495 RAIN
15878 210 8 Global Center Paris
719 188 291 LANLINK
786 183 1888 JANET IP Service
5515 173 653 Sonera Finland
3320 170 1410 Deutsche Telekom AG
8708 148 15 Romania Data System
5400 139 66 Concert Internet Plus Europea
3303 129 575 Swisscom
517 126 272 Xlink
2856 122 776 BTnet UK Regional network
5549 117 66 Seicom Computer Gmb
1267 106 1986 IUnet S.p.A
1290 96 402 PSINet UK Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2449 8049 UUNET Technologies, Inc.
7018 955 7087 AT&T
1 916 8731 BBN Planet
7046 742 1091 UUNET Technologies, Inc.
1239 677 3339 Sprint ICM-Inria
690 550 95 Merit Network
2914 519 2317 Verio, Inc.
209 496 1875 Qwest
4293 496 99 Cable & Wireless USA
3491 452 378 CAIS Internet
3561 450 2388 Cable & Wireless USA
705 431 63 UUNET Technologies, Inc.
2149 415 361 Performance Systems, Inc.
2548 415 996 Digital Express Group, Inc.
3908 415 583 Supernet, Inc.
18994 408 10 Global Crossing
3549 349 812 Global Crossing
11371 337 100 Rhythms NetConnections
4323 334 314 Time Warner Communications, I
3967 330 448 Exodus Communication
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2449 8049 UUNET Technologies, Inc.
1221 1680 1315 Telstra
7018 955 7087 AT&T
1 916 8731 BBN Planet
7046 742 1091 UUNET Technologies, Inc.
1239 677 3339 Sprint ICM-Inria
702 671 1848 UUNET Technologies, Inc.
690 550 95 Merit Network
2914 519 2317 Verio, Inc.
209 496 1875 Qwest
4293 496 99 Cable & Wireless USA
3491 452 378 CAIS Internet
3561 450 2388 Cable & Wireless USA
705 431 63 UUNET Technologies, Inc.
2764 431 345 connect.com.au pty ltd
3301 428 918 TeliaNet Sweden
15870 426 12 Global Center Frankfurt
2149 415 361 Performance Systems, Inc.
2548 415 996 Digital Express Group, Inc.
3908 415 583 Supernet, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
19014 UNALLOCATED 63.122.201.0/24 701 UUNET Technologies,
578 UNALLOCATED 64.230.242.0/27 577 Bell Canada
19100 UNALLOCATED 149.2.31.0/24 174 PSINet Inc.
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 192.108.214.0/24 1800 SPRINT
5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies,
9700 UNALLOCATED 202.30.50.0/23 3786 DACOM Corporation
4831 UNALLOCATED 202.172.32.0/20 9740 Cable & Wireless Net
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,
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
19101 UNALLOCATED 216.94.149.0/24 6539 GT Group Telecom Ser
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
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 DISA NETWORK SERVICES
170.0.0.0/12 3344 VBCnet Europe
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 /12:34
/13:78 /14:212 /15:355 /16:6922 /17:1189 /18:2226
/19:6738 /20:5380 /21:4516 /22:6833 /23:8661 /24:59622
/25:299 /26:366 /27:447 /28:448 /29:372 /30:340
/31:1 /32:70
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1585 2449 UUNET Technologies, Inc.
1221 1526 1680 Telstra
7046 576 742 UUNET Technologies, Inc.
690 546 550 Merit Network
4293 480 496 Cable & Wireless USA
7018 468 955 AT&T
1 432 916 BBN Planet
3491 427 452 CAIS Internet
15870 422 426 Global Center Frankfurt
702 421 671 UUNET Technologies, Inc.
18994 406 408 Global Crossing
705 388 431 UUNET Technologies, Inc.
2764 386 431 connect.com.au pty ltd
209 373 496 Qwest
1239 358 677 Sprint ICM-Inria
11371 324 337 Rhythms NetConnections
703 320 391 UUNET Technologies, Inc.
3908 313 415 Supernet, Inc.
18993 310 314 Global Crossing
2548 305 415 Digital Express Group, Inc.
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 12:574 13:13 15:11
17:13 20:4 24:842 26:1 32:35 38:367
40:2 43:4 44:11 45:1 47:40 52:2
53:4 55:1 56:5 57:15 61:119 62:204
63:2504 64:2719 65:1238 66:733 80:28 128:67
129:201 130:54 131:56 132:40 133:1 134:232
135:11 136:36 137:178 138:233 139:85 140:249
141:224 142:113 143:98 144:199 145:32 146:193
147:179 148:238 149:137 150:63 151:262 152:1077
153:38 154:24 155:151 156:92 157:155 158:112
159:101 160:84 161:134 162:163 163:221 164:174
165:247 166:257 167:155 168:201 169:54 170:434
171:20 172:1 192:34 193:2592 194:2739 195:1078
196:4 198:5 199:3853 200:2699 202:3761 203:5808
204:4361 205:2921 206:4133 207:3726 208:5201 209:4122
210:775 211:292 212:1173 213:670 216:4689 217:442
218:3
End of report
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