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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 10 Jul, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104930
Origin ASes present in the Internet Routing Table: 11251
Origin ASes announcing only one prefix: 4116
Transit ASes present in the Internet Routing Table: 1500
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: 14
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: 1240124516
Equivalent to 73 /8s, 234 /16s and 204 /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: 71522
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15558
Prefixes being announced from the APNIC address blocks: 14060
APNIC Region origin ASes present in the Internet Routing Table: 1313
APNIC Region origin ASes announcing only one prefix: 461
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: 72696150
Equivalent to 4 /8s, 85 /16s and 65 /24s
Percentage of available APNIC address space announced: 71.5
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: 72137
Prefixes being announced from the ARIN address blocks: 51671
ARIN Region origin ASes present in the Internet Routing Table: 6791
ARIN Region origin ASes announcing only one prefix: 2000
ARIN Region transit ASes present in the Internet Routing Table: 705
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 199853515
Equivalent to 11 /8s, 233 /16s and 133 /24s
Percentage of available ARIN address space announced: 79.4
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: 17235
Prefixes being announced from the RIPE address blocks: 13319
RIPE Region origin ASes present in the Internet Routing Table: 3153
RIPE Region origin ASes announcing only one prefix: 1655
RIPE Region transit ASes present in the Internet Routing Table: 574
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 101049438
Equivalent to 6 /8s, 5 /16s and 228 /24s
Percentage of available RIPE address space announced: 66.9
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 1682 1316 Telstra
2764 433 345 connect.com.au pty ltd
703 382 382 UUNET Technologies, Inc.
2907 367 1782 SINET Japan
4755 292 166 VSNL India
7474 238 293 Optus Communications
4134 232 1603 Data Communications Bureau
7539 209 183 TANet2, sponsored by NSC, TAI
4766 176 1242 KORnet Powered BY Korea Telec
7545 145 21 TPG Internet Pty Ltd
9443 132 38 INTERNETPRIMUS-AS-A
4786 130 17 NetConnect Communications Pty
4740 119 16 Ozemail
4763 118 69 Telstra New Zealand
17561 115 151 Internet service provision to
9583 114 60 Satyam Infoway Ltd.,
7586 113 17 Paradox Digital Pty. Ltd
7657 113 22 The Internet Group Limited
4713 107 869 NTT-OCNET
4732 105 357 DDI Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 656 1846 UUNET Technologies, Inc.
3301 427 918 TeliaNet Sweden
15870 426 12 Global Center Frankfurt
1257 279 504 Swipnet AB
1270 258 870 UUNET Germany
680 229 2053 Deutschef Forschurgsnetz
3215 221 495 RAIN
15878 211 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
5549 129 67 Seicom Computer Gmb
517 126 272 Xlink
2856 122 776 BTnet UK Regional network
1267 106 1986 IUnet S.p.A
8503 98 3 PCNET - PCNET DATA Network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2445 8048 UUNET Technologies, Inc.
7018 964 7088 AT&T
1 919 8731 BBN Planet
7046 743 1090 UUNET Technologies, Inc.
1239 678 3338 Sprint ICM-Inria
690 549 79 Merit Network
2914 517 2314 Verio, Inc.
4293 494 99 Cable & Wireless USA
209 493 1875 Qwest
3491 456 379 CAIS Internet
3561 447 2387 Cable & Wireless USA
705 431 63 UUNET Technologies, Inc.
2149 418 378 Performance Systems, Inc.
3908 415 583 Supernet, Inc.
2548 414 996 Digital Express Group, Inc.
18994 409 10 Global Crossing
3549 346 812 Global Crossing
3967 337 455 Exodus Communication
11371 337 100 Rhythms NetConnections
4323 333 314 Time Warner Communications, I
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2445 8048 UUNET Technologies, Inc.
1221 1682 1316 Telstra
7018 964 7088 AT&T
1 919 8731 BBN Planet
7046 743 1090 UUNET Technologies, Inc.
1239 678 3338 Sprint ICM-Inria
702 656 1846 UUNET Technologies, Inc.
690 549 79 Merit Network
2914 517 2314 Verio, Inc.
4293 494 99 Cable & Wireless USA
209 493 1875 Qwest
3491 456 379 CAIS Internet
3561 447 2387 Cable & Wireless USA
2764 433 345 connect.com.au pty ltd
705 431 63 UUNET Technologies, Inc.
3301 427 918 TeliaNet Sweden
15870 426 12 Global Center Frankfurt
2149 418 378 Performance Systems, Inc.
3908 415 583 Supernet, Inc.
2548 414 996 Digital Express Group, 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.
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
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
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 /12:33
/13:78 /14:212 /15:355 /16:6912 /17:1187 /18:2201
/19:6736 /20:5350 /21:4501 /22:6816 /23:8644 /24:59566
/25:289 /26:361 /27:439 /28:449 /29:361 /30:329
/31:1 /32:70
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1581 2445 UUNET Technologies, Inc.
1221 1527 1682 Telstra
7046 576 743 UUNET Technologies, Inc.
690 546 549 Merit Network
4293 478 494 Cable & Wireless USA
7018 469 964 AT&T
1 435 919 BBN Planet
3491 431 456 CAIS Internet
15870 422 426 Global Center Frankfurt
702 409 656 UUNET Technologies, Inc.
18994 407 409 Global Crossing
705 388 431 UUNET Technologies, Inc.
2764 388 433 connect.com.au pty ltd
209 370 493 Qwest
1239 360 678 Sprint ICM-Inria
11371 324 337 Rhythms NetConnections
3908 313 415 Supernet, Inc.
703 311 382 UUNET Technologies, Inc.
18993 310 314 Global Crossing
2548 304 414 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 24:838 26:1 32:35 38:371
40:2 43:4 44:11 45:1 47:40 52:2
53:4 55:1 56:5 57:15 61:117 62:203
63:2502 64:2714 65:1229 66:740 80:24 128:62
129:202 130:54 131:64 132:40 133:1 134:232
135:11 136:36 137:178 138:236 139:84 140:250
141:225 142:113 143:98 144:197 145:32 146:192
147:179 148:238 149:135 150:62 151:264 152:1089
153:38 154:24 155:150 156:92 157:157 158:112
159:102 160:84 161:134 162:163 163:194 164:174
165:247 166:253 167:155 168:198 169:54 170:432
171:20 172:1 192:34 193:2579 194:2742 195:1049
196:4 198:5 199:3847 200:2699 202:3797 203:5848
204:4325 205:2901 206:4127 207:3709 208:5189 209:4110
210:775 211:292 212:1150 213:674 216:4682 217:430
218:3
End of report
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