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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 30 Aug, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106520
Origin ASes present in the Internet Routing Table: 11563
Origin ASes announcing only one prefix: 4251
Transit ASes present in the Internet Routing Table: 1503
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: 43
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 16
Number of addresses announced to Internet: 1213482152
Equivalent to 72 /8s, 84 /16s and 68 /24s
Percentage of available address space announced: 32.7
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 72600
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16069
Prefixes being announced from the APNIC address blocks: 14443
APNIC Region origin ASes present in the Internet Routing Table: 1359
APNIC Region origin ASes announcing only one prefix: 456
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: 16
Number of APNIC addresses announced to Internet: 77455760
Equivalent to 4 /8s, 157 /16s and 225 /24s
Percentage of available APNIC address space announced: 76.2
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: 73188
Prefixes being announced from the ARIN address blocks: 52808
ARIN Region origin ASes present in the Internet Routing Table: 6948
ARIN Region origin ASes announcing only one prefix: 2073
ARIN Region transit ASes present in the Internet Routing Table: 700
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 207537990
Equivalent to 12 /8s, 94 /16s and 199 /24s
Percentage of available ARIN address space announced: 77.3
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: 17255
Prefixes being announced from the RIPE address blocks: 13657
RIPE Region origin ASes present in the Internet Routing Table: 3261
RIPE Region origin ASes announcing only one prefix: 1722
RIPE Region transit ASes present in the Internet Routing Table: 576
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 106212892
Equivalent to 6 /8s, 84 /16s and 174 /24s
Percentage of available RIPE address space announced: 70.3
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 1594 1315 Telstra Pty Ltd
2764 430 378 connect.com.au pty ltd
703 426 367 UUNET Technologies, Inc.
2907 365 1784 SINET Japan
4755 299 163 Videsh Sanchar Nigam Ltd. Aut
4134 243 1761 Data Communications Bureau
7474 236 289 Optus Communications Pty Ltd
7539 210 190 TANet2, sponsored by NSC, TAI
4740 193 25 OzEmail ISP
4766 179 1320 Korea Internet Exchange for "
7545 146 25 TPG Internet Pty Ltd
9443 144 39 Primus Telecommunications
4786 130 17 NetConnect Communications Pty
4763 120 69 Telstra New Zealand
9583 118 61 Satyam Infoway Ltd.,
4713 116 870 NTT Communications Corporatio
17561 116 167 Internet service provision to
4812 108 277 China Telecom (Group)
7586 108 17 Paradox Digital Pty Ltd
4732 105 372 DDI CORPORATION
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 705 1744 UUNET Technologies, Inc.
3301 431 917 TeliaNet Sweden
1257 274 521 SWIPnet Swedish IP Network
680 232 2261 DFN-IP service G-WiN
3215 221 512 France Telecom / &Equant
1270 216 845 UUNET Germany
5515 194 688 Sonera Finland Autonomous Sys
786 184 1890 The JANET IP Service
3320 183 1940 Deutsche Telekom AG
15870 182 11 Global Center Frankfurt
719 180 291 LANLINK autonomous system
8708 152 19 Romania Data Systems S.A.
15878 143 12 Global Center Paris
5400 136 66 Concert European Core Network
3303 132 576 Swisscom Ltd
2856 125 774 BTnet UK Regional network
5549 124 64 Nextra Deutschland GmbH + Co.
517 116 269 KPNQwest Germany GmbH
1267 103 1989 Infostrada S.p.A.
3269 101 781 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2257 8204 UUNET Technologies, Inc.
7018 1022 7145 AT&T
3908 891 648 Supernet, Inc.
1 880 8660 BBN Planet
7046 793 1026 UUNET Technologies, Inc.
1239 720 3282 Sprint
3967 603 487 Exodus Communication
690 512 80 Merit Network
209 507 2135 Qwest
2551 507 638 ICG NetAhead, Inc
2914 498 2307 Verio, Inc.
4293 484 116 Cable & Wireless USA
3561 424 2381 Cable & Wireless USA
2548 384 997 Business Internet, Inc.
2149 375 311 Performance Systems, Inc.
3549 366 835 Global Crossing
577 365 634 Bell Advanced Communications
4323 348 341 Time Warner Communications, I
15290 344 338 AT&T Canada IES
18994 344 10 Global Crossing
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2257 8204 UUNET Technologies, Inc.
1221 1594 1315 Telstra Pty Ltd
7018 1022 7145 AT&T
3908 891 648 Supernet, Inc.
1 880 8660 BBN Planet
7046 793 1026 UUNET Technologies, Inc.
1239 720 3282 Sprint
702 705 1744 UUNET Technologies, Inc.
3967 603 487 Exodus Communication
690 512 80 Merit Network
209 507 2135 Qwest
2551 507 638 ICG NetAhead, Inc
2914 498 2307 Verio, Inc.
4293 484 116 Cable & Wireless USA
3301 431 917 TeliaNet Sweden
2764 430 378 connect.com.au pty ltd
703 426 367 UUNET Technologies, Inc.
3561 424 2381 Cable & Wireless USA
2548 384 997 Business Internet, Inc.
2149 375 311 Performance Systems, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65534 PRIVATE 62.23.176.0/24 6675 Colt Telecommunicati
65534 PRIVATE 62.23.177.0/24 6675 Colt Telecommunicati
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
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 192.108.199.0/24 1755 Ebone Transit Core
65460 PRIVATE 192.231.11.0/24 7018 AT&T
65002 PRIVATE 193.77.3.0/24 5603 SiOL Internet d.o.o.
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
65000 PRIVATE 203.21.200.0/24 1221 Telstra Pty Ltd
64550 PRIVATE 203.161.39.0/24 17802 Internet AccessFor Q
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,
65000 PRIVATE 212.30.88.0/24 5603 SiOL Internet d.o.o.
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
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.
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
82.105.0.0/16 3269 TELECOM ITALIA
82.105.128.0/17 3269 TELECOM ITALIA
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
172.32.1.0/25 1221 Telstra Pty Ltd
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 /12:32
/13:84 /14:226 /15:379 /16:6939 /17:1226 /18:2319
/19:6904 /20:5692 /21:4656 /22:6904 /23:8763 /24:60587
/25:339 /26:360 /27:288 /28:296 /29:192 /30:214
/31:0 /32:80
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1444 1594 Telstra Pty Ltd
701 1420 2257 UUNET Technologies, Inc.
3908 738 891 Supernet, Inc.
7046 615 793 UUNET Technologies, Inc.
7018 523 1022 AT&T
690 509 512 Merit Network
4293 467 484 Cable & Wireless USA
702 454 705 UUNET Technologies, Inc.
2551 451 507 ICG NetAhead, Inc
3967 422 603 Exodus Communication
1 416 880 BBN Planet
1239 398 720 Sprint
2764 383 430 connect.com.au pty ltd
209 360 507 Qwest
703 357 426 UUNET Technologies, Inc.
18994 342 344 Global Crossing
11371 309 322 Rhythms NetConnections
4323 293 348 Time Warner Communications, I
4151 288 330 USDA
2548 276 384 Business Internet, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 9:1 12:406 13:10 15:1 17:6
20:1 24:717 26:1 32:33 38:8 43:7
44:2 53:2 55:1 57:15 61:69 62:136
63:1903 64:1351 65:632 66:446 80:39 128:44
129:113 130:17 131:41 132:12 133:1 134:138
135:8 136:22 137:142 138:199 139:45 140:196
141:161 142:63 143:41 144:140 145:11 146:145
147:130 148:176 149:89 150:37 151:209 152:403
153:31 154:23 155:78 156:84 157:122 158:72
159:65 160:46 161:59 162:67 163:157 164:108
165:95 166:185 167:143 168:123 169:36 170:285
171:2 192:5427 193:1933 194:2051 195:825 196:417
198:3630 199:3299 200:2473 201:1 202:2721 203:4606
204:3386 205:2283 206:2965 207:2677 208:3075 209:3239
210:531 211:126 212:826 213:463 214:7 215:8
216:3074 217:389 218:2
End of report
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