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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 02 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106433
Origin ASes present in the Internet Routing Table: 11568
Origin ASes announcing only one prefix: 4228
Transit ASes present in the Internet Routing Table: 1507
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: 59
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 15
Number of addresses announced to Internet: 1215053036
Equivalent to 72 /8s, 108 /16s and 60 /24s
Percentage of available address space announced: 32.8
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 72391
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16084
Prefixes being announced from the APNIC address blocks: 14487
APNIC Region origin ASes present in the Internet Routing Table: 1356
APNIC Region origin ASes announcing only one prefix: 454
APNIC Region transit ASes present in the Internet Routing Table: 227
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 77751328
Equivalent to 4 /8s, 162 /16s and 100 /24s
Percentage of available APNIC address space announced: 76.4
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: 73091
Prefixes being announced from the ARIN address blocks: 52513
ARIN Region origin ASes present in the Internet Routing Table: 6967
ARIN Region origin ASes announcing only one prefix: 2057
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: 207764852
Equivalent to 12 /8s, 98 /16s and 61 /24s
Percentage of available ARIN address space announced: 77.4
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, 68/8, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 17248
Prefixes being announced from the RIPE address blocks: 13655
RIPE Region origin ASes present in the Internet Routing Table: 3258
RIPE Region origin ASes announcing only one prefix: 1717
RIPE Region transit ASes present in the Internet Routing Table: 582
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 106317851
Equivalent to 6 /8s, 86 /16s and 72 /24s
Percentage of available RIPE address space announced: 70.4
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 1621 1317 Telstra Pty Ltd
2764 434 378 connect.com.au pty ltd
703 429 378 UUNET Technologies, Inc.
2907 368 1816 SINET Japan
4755 294 162 Videsh Sanchar Nigam Ltd. Aut
4134 240 1761 Data Communications Bureau
7474 236 289 Optus Communications Pty Ltd
7539 205 181 TANet2, sponsored by NSC, TAI
4740 190 22 OzEmail ISP
4766 171 1313 Korea Internet Exchange for "
7545 146 25 TPG Internet Pty Ltd
9443 143 39 Primus Telecommunications
4786 131 17 NetConnect Communications Pty
9583 123 62 Satyam Infoway Ltd.,
4763 120 69 Telstra New Zealand
17561 116 167 Internet service provision to
4713 115 868 NTT Communications Corporatio
4812 108 277 China Telecom (Group)
7586 108 17 Paradox Digital Pty Ltd
17557 106 7 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 719 1782 UUNET Technologies, Inc.
3301 431 917 TeliaNet Sweden
1257 279 522 SWIPnet Swedish IP Network
680 232 2261 DFN-IP service G-WiN
3215 221 512 France Telecom / &Equant
1270 207 826 UUNET Germany
5515 194 688 Sonera Finland Autonomous Sys
786 184 1890 The JANET IP Service
3320 182 1940 Deutsche Telekom AG
719 180 291 LANLINK autonomous system
15870 180 11 Global Center Frankfurt
8708 153 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 66 Nextra Deutschland GmbH + Co.
517 116 269 KPNQwest Germany GmbH
1267 103 1989 Infostrada S.p.A.
3269 99 778 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2259 8188 UUNET Technologies, Inc.
7018 1041 7180 AT&T
3908 907 730 Supernet, Inc.
1 878 8653 BBN Planet
7046 792 1009 UUNET Technologies, Inc.
1239 728 3284 Sprint
3967 601 471 Exodus Communication
690 524 82 Merit Network
2914 499 2275 Verio, Inc.
209 493 2135 Qwest
4293 473 114 Cable & Wireless USA
3561 424 2377 Cable & Wireless USA
2548 384 982 Business Internet, Inc.
2149 370 295 Performance Systems, Inc.
3549 367 835 Global Crossing
577 364 634 Bell Advanced Communications
4323 349 341 Time Warner Communications, I
15290 347 338 AT&T Canada IES
4151 332 1234 USDA
6347 330 359 SAVVIS Communications Corpora
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2259 8188 UUNET Technologies, Inc.
1221 1621 1317 Telstra Pty Ltd
7018 1041 7180 AT&T
3908 907 730 Supernet, Inc.
1 878 8653 BBN Planet
7046 792 1009 UUNET Technologies, Inc.
1239 728 3284 Sprint
702 719 1782 UUNET Technologies, Inc.
3967 601 471 Exodus Communication
690 524 82 Merit Network
2914 499 2275 Verio, Inc.
209 493 2135 Qwest
4293 473 114 Cable & Wireless USA
2764 434 378 connect.com.au pty ltd
3301 431 917 TeliaNet Sweden
703 429 378 UUNET Technologies, Inc.
3561 424 2377 Cable & Wireless USA
2548 384 982 Business Internet, Inc.
2149 370 295 Performance Systems, Inc.
2907 368 1816 SINET Japan
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
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
22116 UNALLOCATED 65.209.83.0/24 701 UUNET Technologies,
65000 PRIVATE 138.163.4.0/24 665 Department of Navy
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.
22284 UNALLOCATED 198.183.146.0/23 701 UUNET Technologies,
22284 UNALLOCATED 198.246.64.0/19 701 UUNET Technologies,
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
65500 PRIVATE 200.186.247.0/24 11415 IMPSAT Comunicacoes
65500 PRIVATE 200.186.248.0/24 11415 IMPSAT Comunicacoes
64550 PRIVATE 203.161.39.0/24 17802 Internet AccessFor Q
22284 UNALLOCATED 205.173.0.0/22 701 UUNET Technologies,
22284 UNALLOCATED 205.173.7.0/24 701 UUNET Technologies,
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 2828 Concentric Network C
22091 UNALLOCATED 208.46.178.0/24 209 Qwest
22195 UNALLOCATED 208.252.244.0/24 209 Qwest
22259 UNALLOCATED 208.254.175.0/24 701 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
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 /15:380 /16:6959 /17:1222 /18:2321
/19:6906 /20:5732 /21:4677 /22:6911 /23:8803 /24:60512
/25:330 /26:337 /27:264 /28:261 /29:158 /30:199
/31:1 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1472 1621 Telstra Pty Ltd
701 1425 2259 UUNET Technologies, Inc.
3908 753 907 Supernet, Inc.
7046 615 792 UUNET Technologies, Inc.
7018 533 1041 AT&T
690 521 524 Merit Network
702 467 719 UUNET Technologies, Inc.
4293 456 473 Cable & Wireless USA
3967 422 601 Exodus Communication
1 412 878 BBN Planet
1239 408 728 Sprint
2764 387 434 connect.com.au pty ltd
703 357 429 UUNET Technologies, Inc.
209 346 493 Qwest
11371 306 319 Rhythms NetConnections
4323 294 349 Time Warner Communications, I
4151 290 332 USDA
2548 278 384 Business Internet, Inc.
6995 275 289 Bell Atlantic Internet Soluti
705 273 315 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 9:1 12:411 13:10 15:1 17:6
20:1 24:766 26:1 32:70 38:8 43:4
44:2 53:2 55:1 57:15 61:68 62:137
63:1906 64:1339 65:646 66:458 80:36 128:46
129:114 130:17 131:42 132:12 133:1 134:151
135:8 136:22 137:142 138:203 139:46 140:194
141:161 142:63 143:39 144:129 145:11 146:145
147:130 148:232 149:89 150:36 151:209 152:393
153:31 154:23 155:78 156:83 157:119 158:72
159:66 160:46 161:59 162:67 163:156 164:107
165:95 166:186 167:138 168:117 169:36 170:285
171:2 192:5444 193:1944 194:2041 195:826 196:416
198:3659 199:3292 200:2495 201:1 202:2717 203:4616
204:3326 205:2243 206:2863 207:2589 208:3080 209:3226
210:531 211:128 212:822 213:471 214:8 215:13
216:3078 217:389 218:2
End of report
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