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Weekly Routing Table Report
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net
For a graphical representation, please see http://www.apnic.net/stats/bgp.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 21 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 107292
Origin ASes present in the Internet Routing Table: 11683
Origin ASes announcing only one prefix: 4306
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: 23
Illegal AS announcements present in the Routing Table: 83
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 14
Number of addresses announced to Internet: 1220327874
Equivalent to 72 /8s, 188 /16s and 185 /24s
Percentage of available address space announced: 32.9
Percentage of allocated address space announced: 63.4
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 73062
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16244
Prefixes being announced from the APNIC address blocks: 14648
APNIC Region origin ASes present in the Internet Routing Table: 1372
APNIC Region origin ASes announcing only one prefix: 463
APNIC Region transit ASes present in the Internet Routing Table: 228
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 80353253
Equivalent to 4 /8s, 202 /16s and 23 /24s
Percentage of available APNIC address space announced: 79.0
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: 73531
Prefixes being announced from the ARIN address blocks: 52976
ARIN Region origin ASes present in the Internet Routing Table: 7020
ARIN Region origin ASes announcing only one prefix: 2100
ARIN Region transit ASes present in the Internet Routing Table: 698
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 209398865
Equivalent to 12 /8s, 123 /16s and 44 /24s
Percentage of available ARIN address space announced: 78.0
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, 68/8, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 17513
Prefixes being announced from the RIPE address blocks: 13863
RIPE Region origin ASes present in the Internet Routing Table: 3312
RIPE Region origin ASes announcing only one prefix: 1743
RIPE Region transit ASes present in the Internet Routing Table: 580
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 107384727
Equivalent to 6 /8s, 102 /16s and 143 /24s
Percentage of available RIPE address space announced: 71.1
RIPE AS Blocks 1877 - 1901, 2043, 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 1608 1314 Telstra Pty Ltd
2764 420 377 connect.com.au pty ltd
703 418 375 UUNET Technologies, Inc.
2907 367 1831 SINET Japan
4755 287 158 Videsh Sanchar Nigam Ltd. Aut
7474 241 274 Optus Communications Pty Ltd
4134 238 1800 Data Communications Bureau
7539 211 199 TANet2, sponsored by NSC, TAI
4740 187 23 OzEmail ISP
4766 178 1336 Korea Internet Exchange for "
9443 150 50 Primus Telecommunications
17557 130 9 Pakistan Telecom
4786 127 17 NetConnect Communications Pty
7545 125 23 TPG Internet Pty Ltd
4763 119 69 Telstra New Zealand
9768 119 362 Korea Telecom
9583 117 60 Satyam Infoway Ltd.,
4713 116 884 NTT Communications Corporatio
17561 116 167 Internet service provision to
7586 111 17 Paradox Digital Pty Ltd
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 881 1965 UUNET Technologies, Inc.
3301 441 919 TeliaNet Sweden
1257 280 530 SWIPnet Swedish IP Network
680 237 2308 DFN-IP service G-WiN
3215 228 515 France Telecom / &Equant
5515 192 687 Sonera Finland Autonomous Sys
3320 186 1940 Deutsche Telekom AG
786 185 1890 The JANET IP Service
15870 179 11 Global Center Frankfurt
8708 156 16 Romania Data Systems S.A.
1270 146 734 UUNET Germany
15878 138 12 Global Center Paris
719 137 288 LANLINK autonomous system
5400 137 64 Concert European Core Network
3303 131 560 Swisscom Ltd
2856 126 774 BTnet UK Regional network
5549 126 67 Nextra Deutschland GmbH + Co.
517 116 270 KPNQwest Germany GmbH
1267 104 1990 Infostrada S.p.A.
12302 100 6 MobiFon S.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2257 8309 UUNET Technologies, Inc.
7018 1055 7180 AT&T
3908 922 722 Supernet, Inc.
1 871 8638 BBN Planet
7046 801 989 UUNET Technologies, Inc.
1239 731 3326 Sprint
3967 602 473 Exodus Communication
209 537 2248 Qwest
690 502 80 Merit Network
2914 499 2240 Verio, Inc.
4293 466 113 Cable & Wireless USA
3561 407 2325 Cable & Wireless USA
2548 370 985 Business Internet, Inc.
3549 370 836 Global Crossing
2149 368 279 Performance Systems, Inc.
577 361 635 Bell Advanced Communications
4323 361 360 Time Warner Communications, I
2048 360 182 State of Louisiana
3741 352 776 The Internet Solution
705 341 55 UUNET Technologies, Inc.
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2257 8309 UUNET Technologies, Inc.
1221 1608 1314 Telstra Pty Ltd
7018 1055 7180 AT&T
3908 922 722 Supernet, Inc.
702 881 1965 UUNET Technologies, Inc.
1 871 8638 BBN Planet
7046 801 989 UUNET Technologies, Inc.
1239 731 3326 Sprint
3967 602 473 Exodus Communication
209 537 2248 Qwest
690 502 80 Merit Network
2914 499 2240 Verio, Inc.
4293 466 113 Cable & Wireless USA
3301 441 919 TeliaNet Sweden
2764 420 377 connect.com.au pty ltd
703 418 375 UUNET Technologies, Inc.
3561 407 2325 Cable & Wireless USA
2548 370 985 Business Internet, Inc.
3549 370 836 Global Crossing
2149 368 279 Performance Systems, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
22130 UNALLOCATED 4.18.195.0/24 3561 Cable & Wireless USA
22242 UNALLOCATED 12.14.215.0/24 7222 Southwestern Bell In
21048 UNALLOCATED 62.16.96.0/19 3216 SOVAM Teleport, Mosc
65534 PRIVATE 62.23.176.0/24 6675 Colt Telecommunicati
65534 PRIVATE 62.23.177.0/24 6675 Colt Telecommunicati
22299 UNALLOCATED 63.81.99.0/24 701 UUNET Technologies,
22299 UNALLOCATED 63.124.154.0/24 701 UUNET Technologies,
6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.40.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.72.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.108.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.112.0/20 2914 Verio, Inc.
6971 UNALLOCATED 64.87.64.0/19 2516 Kokusai Denshin Denw
578 UNALLOCATED 64.230.242.16/28 577 Bell Advanced Commun
22091 UNALLOCATED 65.113.20.0/24 209 Qwest
22195 UNALLOCATED 65.116.137.0/24 209 Qwest
22299 UNALLOCATED 65.161.22.0/24 701 UUNET Technologies,
22299 UNALLOCATED 65.161.22.0/23 701 UUNET Technologies,
22299 UNALLOCATED 65.161.23.0/24 701 UUNET Technologies,
22326 UNALLOCATED 65.170.47.0/24 209 Qwest
22313 UNALLOCATED 66.96.52.0/22 7927 Global One Venezuela
21127 UNALLOCATED 80.89.128.0/20 20485 JSC Transtelecom
21127 UNALLOCATED 80.89.130.0/23 20485 JSC Transtelecom
21127 UNALLOCATED 80.89.132.0/22 20485 JSC Transtelecom
21127 UNALLOCATED 80.89.137.0/24 20485 JSC Transtelecom
21127 UNALLOCATED 80.89.138.0/23 20485 JSC Transtelecom
21127 UNALLOCATED 80.89.143.0/24 20485 JSC Transtelecom
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
6971 UNALLOCATED 192.103.229.0/24 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.230.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.232.0/22 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.236.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.237.0/24 2516 Kokusai Denshin Denw
1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p
65460 PRIVATE 192.231.11.0/24 7018 AT&T
22313 UNALLOCATED 196.27.8.0/22 7927 Global One Venezuela
22284 UNALLOCATED 198.183.146.0/23 701 UUNET Technologies,
22284 UNALLOCATED 198.246.64.0/19 701 UUNET Technologies,
22301 UNALLOCATED 199.171.142.0/24 6517 Yipes Communications
22284 UNALLOCATED 199.244.155.0/24 701 UUNET Technologies,
22284 UNALLOCATED 199.244.156.0/24 701 UUNET Technologies,
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
22313 UNALLOCATED 200.47.150.0/24 7927 Global One Venezuela
22303 UNALLOCATED 204.62.219.0/24 2914 Verio, Inc.
22303 UNALLOCATED 204.62.220.0/24 2914 Verio, Inc.
22303 UNALLOCATED 204.62.221.0/24 2914 Verio, Inc.
22303 UNALLOCATED 204.62.222.0/24 2914 Verio, Inc.
22130 UNALLOCATED 205.180.228.0/24 3561 Cable & Wireless USA
6971 UNALLOCATED 206.58.248.0/22 2516 Kokusai Denshin Denw
6971 UNALLOCATED 206.58.248.0/21 2516 Kokusai Denshin Denw
6971 UNALLOCATED 206.58.252.0/23 2914 Verio, Inc.
6971 UNALLOCATED 206.58.254.0/23 2914 Verio, Inc.
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
22257 UNALLOCATED 207.176.8.0/21 3491 CAIS Internet
6971 UNALLOCATED 207.189.143.0/24 2516 Kokusai Denshin Denw
22179 UNALLOCATED 207.190.35.0/24 3549 Global Crossing
22326 UNALLOCATED 208.44.54.0/24 1239 Sprint
22091 UNALLOCATED 208.46.178.0/24 209 Qwest
22130 UNALLOCATED 208.131.122.0/24 3561 Cable & Wireless USA
22299 UNALLOCATED 208.249.71.0/24 701 UUNET Technologies,
22195 UNALLOCATED 208.252.244.0/24 209 Qwest
22259 UNALLOCATED 208.254.175.0/24 701 UUNET Technologies,
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
21040 UNALLOCATED 213.196.128.0/18 702 UUNET Technologies,
22313 UNALLOCATED 216.72.155.0/24 7927 Global One Venezuela
6971 UNALLOCATED 216.105.192.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.121.224.0/19 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.192.0/21 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.192.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.200.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.202.0/23 2914 Verio, Inc.
6971 UNALLOCATED 216.174.204.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.174.208.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.232.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.174.240.0/22 2914 Verio, Inc.
22326 UNALLOCATED 216.207.88.0/24 1239 Sprint
22326 UNALLOCATED 216.207.89.0/24 1239 Sprint
6971 UNALLOCATED 216.210.128.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
128.65.0.0/16 3463 ACES Research Inc
132.0.0.0/10 568 DISO-UNRRA
134.137.0.0/16 400 Headquarters Standard Systems
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
164.235.0.0/16 6025 US DOD NIC Unregistered
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 /8:17 /9:5 /10:6 /11:12 /12:33
/13:85 /14:228 /15:383 /16:6972 /17:1231 /18:2347
/19:6950 /20:5822 /21:4773 /22:7029 /23:8963 /24:60843
/25:318 /26:341 /27:259 /28:257 /29:156 /30:185
/31:1 /32:76
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1459 1608 Telstra Pty Ltd
701 1422 2257 UUNET Technologies, Inc.
3908 771 922 Supernet, Inc.
7046 629 801 UUNET Technologies, Inc.
702 593 881 UUNET Technologies, Inc.
7018 553 1055 AT&T
690 499 502 Merit Network
4293 449 466 Cable & Wireless USA
3967 422 602 Exodus Communication
1 414 871 BBN Planet
1239 407 731 Sprint
2764 373 420 connect.com.au pty ltd
209 371 537 Qwest
703 347 418 UUNET Technologies, Inc.
2048 308 360 State of Louisiana
6995 308 320 Bell Atlantic Internet Soluti
4323 303 361 Time Warner Communications, I
11371 300 313 Rhythms NetConnections
5106 298 316 Ameritech Advanced Data Servi
705 297 341 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:407 13:10 15:1 17:5
20:1 24:801 25:1 26:1 32:72 33:6
38:10 43:3 44:2 53:2 55:1 57:15
61:77 62:141 63:1929 64:1357 65:712 66:480
67:2 80:51 128:49 129:107 130:18 131:42
132:11 133:2 134:139 135:10 136:21 137:98
138:206 139:45 140:197 141:199 142:56 143:39
144:145 145:13 146:147 147:129 148:130 149:89
150:37 151:323 152:367 153:43 154:16 155:83
156:89 157:73 158:74 159:67 160:48 161:91
162:65 163:145 164:95 165:103 166:188 167:143
168:117 169:39 170:291 171:2 192:5426 193:1953
194:2022 195:830 196:450 198:3638 199:3332 200:2505
201:1 202:2769 203:4574 204:3419 205:2199 206:2902
207:2579 208:3124 209:3132 210:550 211:136 212:859
213:506 214:8 215:13 216:3042 217:387 218:2
End of report
-----
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