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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 12 Jul, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104957
Origin ASes present in the Internet Routing Table: 11258
Origin ASes announcing only one prefix: 4125
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: 16
Illegal AS announcements present in the Routing Table: 25
Non-routable prefixes present in the Routing Table: 1
Prefixes being announced from the IANA Reserved Address blocks: 16
Number of addresses announced to Internet: 1240976708
Equivalent to 73 /8s, 247 /16s and 205 /24s
Percentage of available address space announced: 33.5
Percentage of allocated address space announced: 65.0
Percentage of available address space allocated: 51.5
Total number of prefixes smaller than registry allocations: 71489
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15485
Prefixes being announced from the APNIC address blocks: 13970
APNIC Region origin ASes present in the Internet Routing Table: 1318
APNIC Region origin ASes announcing only one prefix: 463
APNIC Region transit ASes present in the Internet Routing Table: 224
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 72941806
Equivalent to 4 /8s, 89 /16s and 0 /24s
Percentage of available APNIC address space announced: 71.7
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: 72142
Prefixes being announced from the ARIN address blocks: 51816
ARIN Region origin ASes present in the Internet Routing Table: 6791
ARIN Region origin ASes announcing only one prefix: 2004
ARIN Region transit ASes present in the Internet Routing Table: 710
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 201086984
Equivalent to 11 /8s, 252 /16s and 88 /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: 17329
Prefixes being announced from the RIPE address blocks: 13399
RIPE Region origin ASes present in the Internet Routing Table: 3161
RIPE Region origin ASes announcing only one prefix: 1658
RIPE Region transit ASes present in the Internet Routing Table: 572
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 101171082
Equivalent to 6 /8s, 7 /16s and 191 /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 1685 1315 Telstra
2764 428 345 connect.com.au pty ltd
703 391 382 UUNET Technologies, Inc.
2907 366 1782 SINET Japan
4755 289 165 VSNL India
7474 241 293 Optus Communications
4134 233 1609 Data Communications Bureau
7539 191 180 TANet2, sponsored by NSC, TAI
4766 176 1242 KORnet Powered BY Korea Telec
7545 146 21 TPG Internet Pty Ltd
9443 133 38 INTERNETPRIMUS-AS-A
4786 130 17 NetConnect Communications Pty
4740 121 16 Ozemail
4763 118 69 Telstra New Zealand
7586 115 17 Paradox Digital Pty. Ltd
17561 115 151 Internet service provision to
9583 114 60 Satyam Infoway Ltd.,
7657 113 22 The Internet Group Limited
4713 107 869 NTT-OCNET
4812 106 259 Asia Pacific Network Informat
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 673 1849 UUNET Technologies, Inc.
3301 429 918 TeliaNet Sweden
15870 426 12 Global Center Frankfurt
1257 279 504 Swipnet AB
1270 249 868 UUNET Germany
680 231 2069 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 123 776 BTnet UK Regional network
5549 117 66 Seicom Computer Gmb
1267 106 1986 IUnet S.p.A
1290 99 408 PSINet UK Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2452 8065 UUNET Technologies, Inc.
7018 980 7107 AT&T
1 910 8714 BBN Planet
7046 746 1092 UUNET Technologies, Inc.
1239 677 3339 Sprint ICM-Inria
690 552 96 Merit Network
2914 519 2317 Verio, Inc.
4293 496 99 Cable & Wireless USA
209 489 1874 Qwest
705 431 63 UUNET Technologies, Inc.
3561 425 2400 Cable & Wireless USA
3908 416 583 Supernet, Inc.
2548 415 996 Digital Express Group, Inc.
2149 414 361 Performance Systems, Inc.
18994 410 10 Global Crossing
3549 350 813 Global Crossing
11371 337 100 Rhythms NetConnections
4323 335 314 Time Warner Communications, I
3967 329 448 Exodus Communication
15290 324 342 AT&T Canada IES
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2452 8065 UUNET Technologies, Inc.
1221 1685 1315 Telstra
7018 980 7107 AT&T
1 910 8714 BBN Planet
7046 746 1092 UUNET Technologies, Inc.
1239 677 3339 Sprint ICM-Inria
702 673 1849 UUNET Technologies, Inc.
690 552 96 Merit Network
2914 519 2317 Verio, Inc.
4293 496 99 Cable & Wireless USA
209 489 1874 Qwest
705 431 63 UUNET Technologies, Inc.
3301 429 918 TeliaNet Sweden
2764 428 345 connect.com.au pty ltd
15870 426 12 Global Center Frankfurt
3561 425 2400 Cable & Wireless USA
3908 416 583 Supernet, Inc.
2548 415 996 Digital Express Group, Inc.
2149 414 361 Performance Systems, Inc.
18994 410 10 Global Crossing
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.
21876 UNALLOCATED 168.143.106.0/23 2914 Verio, Inc.
21876 UNALLOCATED 168.143.108.0/23 2914 Verio, Inc.
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
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
19105 UNALLOCATED 205.243.23.0/24 1239 Sprint ICM-Inria
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
21876 UNALLOCATED 207.91.106.0/23 2914 Verio, Inc.
21876 UNALLOCATED 207.91.108.0/23 2914 Verio, Inc.
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
19101 UNALLOCATED 216.94.149.0/24 6539 GT Group Telecom Ser
20410 UNALLOCATED 216.138.75.0/24 3356 Level 3 Communicatio
20410 UNALLOCATED 216.138.88.0/22 3356 Level 3 Communicatio
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.192.34.176/30 4538 China Education and Research
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
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
/13:78 /14:212 /15:355 /16:6914 /17:1193 /18:2226
/19:6743 /20:5364 /21:4503 /22:6825 /23:8662 /24:59473
/25:295 /26:368 /27:445 /28:448 /29:370 /30:339
/31:1 /32:70
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1589 2452 UUNET Technologies, Inc.
1221 1530 1685 Telstra
7046 579 746 UUNET Technologies, Inc.
690 548 552 Merit Network
7018 483 980 AT&T
4293 480 496 Cable & Wireless USA
1 432 910 BBN Planet
702 422 673 UUNET Technologies, Inc.
15870 422 426 Global Center Frankfurt
18994 408 410 Global Crossing
705 388 431 UUNET Technologies, Inc.
2764 384 428 connect.com.au pty ltd
209 366 489 Qwest
1239 358 677 Sprint ICM-Inria
11371 324 337 Rhythms NetConnections
703 320 391 UUNET Technologies, Inc.
3908 314 416 Supernet, Inc.
18993 310 314 Global Crossing
2548 305 415 Digital Express Group, Inc.
4323 287 335 Time Warner Communications, I
Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------
4:1 6:12 9:6 10:1 12:574 13:13
15:11 17:13 20:6 24:840 26:1 32:37
38:231 40:2 43:4 44:11 45:1 47:40
52:2 53:4 55:1 56:5 57:15 61:111
62:201 63:2502 64:2738 65:1244 66:740 80:30
128:65 129:197 130:53 131:64 132:40 133:1
134:234 135:12 136:36 137:178 138:234 139:86
140:242 141:225 142:122 143:98 144:200 145:32
146:193 147:179 148:237 149:136 150:63 151:264
152:1078 153:38 154:24 155:151 156:92 157:157
158:113 159:79 160:83 161:133 162:161 163:215
164:174 165:249 166:258 167:156 168:203 169:54
170:435 171:20 172:1 192:32 193:2596 194:2743
195:1070 196:3 198:5 199:3872 200:2694 202:3745
203:5798 204:4384 205:2926 206:4114 207:3676 208:5206
209:4102 210:777 211:291 212:1176 213:671 216:4706
217:438 218:3
End of report
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