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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 31 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109103
Origin ASes present in the Internet Routing Table: 11934
Origin ASes announcing only one prefix: 4428
Transit ASes present in the Internet Routing Table: 1585
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 18
Illegal AS announcements present in the Routing Table: 104
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: 1272334995
Equivalent to 75 /8s, 214 /16s and 74 /24s
Percentage of available address space announced: 34.3
Percentage of allocated address space announced: 65.5
Percentage of available address space allocated: 52.4
Total number of prefixes smaller than registry allocations: 74182
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16826
Prefixes being announced from the APNIC address blocks: 15303
APNIC Region origin ASes present in the Internet Routing Table: 1387
APNIC Region origin ASes announcing only one prefix: 453
APNIC Region transit ASes present in the Internet Routing Table: 237
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 83494853
Equivalent to 4 /8s, 250 /16s and 7 /24s
Percentage of available APNIC address space announced: 70.5
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7 and 218/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 74224
Prefixes being announced from the ARIN address blocks: 52986
ARIN Region origin ASes present in the Internet Routing Table: 7167
ARIN Region origin ASes announcing only one prefix: 2156
ARIN Region transit ASes present in the Internet Routing Table: 747
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 219706521
Equivalent to 13 /8s, 24 /16s and 116 /24s
Percentage of available ARIN address space announced: 81.8
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 - 23551
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: 18052
Prefixes being announced from the RIPE address blocks: 14458
RIPE Region origin ASes present in the Internet Routing Table: 3407
RIPE Region origin ASes announcing only one prefix: 1819
RIPE Region transit ASes present in the Internet Routing Table: 601
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 126144781
Equivalent to 7 /8s, 132 /16s and 209 /24s
Percentage of available RIPE address space announced: 83.5
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 1565 1305 Telstra Pty Ltd
2764 408 359 connect.com.au pty ltd
703 379 384 UUNET Technologies, Inc.
2907 374 1865 SINET Japan
7474 295 275 Optus Communications Pty Ltd
4755 291 159 Videsh Sanchar Nigam Ltd. Aut
4134 253 1900 Data Communications Bureau
4766 188 1467 Korea Internet Exchange for "
4740 173 26 OzEmail ISP
9443 164 53 Primus Telecommunications
1659 159 1221 Taiwan Academic Network (TANe
7539 153 172 TANet2, sponsored by NSC, TAI
17557 141 9 Pakistan Telecom
2521 138 171 PSINet Japan
4812 132 298 China Telecom (Group)
9768 131 363 Korea Telecom
4786 124 14 NetConnect Communications Pty
4763 121 69 Telstra New Zealand
9583 120 35 Satyam Infoway Ltd.,
4713 118 901 NTT Communications Corporatio
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 951 1947 UUNET Technologies, Inc.
3301 434 950 TeliaNet Sweden
1257 273 516 SWIPnet Swedish IP Network
680 239 2308 DFN-IP service G-WiN
3215 235 539 France Telecom / &Equant
5515 195 688 Sonera Finland Autonomous Sys
3320 193 1941 Deutsche Telekom AG
786 185 1890 The JANET IP Service
8708 156 16 Romania Data Systems S.A.
5495 154 3 University Network
15870 140 10 Global Center Frankfurt
5400 138 64 Concert European Core Network
719 133 289 LANLINK autonomous system
3303 131 560 Swisscom Ltd
2856 130 776 BTnet UK Regional network
5549 124 82 Nextra Deutschland GmbH + Co.
1270 118 705 UUNET Germany
517 112 251 KPNQwest Germany GmbH
12302 110 7 MobiFon S.A.
15878 110 9 Global Center Paris
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2311 9084 UUNET Technologies, Inc.
3908 1174 1675 Supernet, Inc.
7018 1096 7326 AT&T
7046 864 1023 UUNET Technologies, Inc.
1 848 8557 BBN Planet
1239 739 3244 Sprint
3967 674 469 Exodus Communication
209 579 2237 Qwest
690 508 73 Merit Network
2914 475 2265 Verio, Inc.
4293 450 113 Cable & Wireless USA
2149 427 330 Performance Systems, Inc.
4323 408 391 Time Warner Communications, I
705 403 115 UUNET Technologies, Inc.
3561 384 2300 Cable & Wireless USA
4151 362 1254 USDA
577 354 636 Bell Advanced Communications
3741 349 765 The Internet Solution
15290 343 339 AT&T Canada IES
7132 333 464 Southwestern Bell Internet Se
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2311 9084 UUNET Technologies, Inc.
1221 1565 1305 Telstra Pty Ltd
3908 1174 1675 Supernet, Inc.
7018 1096 7326 AT&T
702 951 1947 UUNET Technologies, Inc.
7046 864 1023 UUNET Technologies, Inc.
1 848 8557 BBN Planet
1239 739 3244 Sprint
3967 674 469 Exodus Communication
209 579 2237 Qwest
690 508 73 Merit Network
2914 475 2265 Verio, Inc.
4293 450 113 Cable & Wireless USA
3301 434 950 TeliaNet Sweden
2149 427 330 Performance Systems, Inc.
2764 408 359 connect.com.au pty ltd
4323 408 391 Time Warner Communications, I
705 403 115 UUNET Technologies, Inc.
3561 384 2300 Cable & Wireless USA
703 379 384 UUNET Technologies, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
22190 UNALLOCATED 12.24.96.0/24 7018 AT&T
22396 UNALLOCATED 12.148.245.0/24 7018 AT&T
6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.16.0/20 2914 Verio, Inc.
6971 UNALLOCATED 64.42.32.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.40.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.56.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.64.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.72.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.80.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.104.0/22 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
22141 UNALLOCATED 64.113.208.0/23 19029 New Edge Networks
22151 UNALLOCATED 65.115.37.0/24 5696 WINSTAR
21963 UNALLOCATED 65.117.88.0/21 3908 Supernet, Inc.
22141 UNALLOCATED 65.208.24.0/22 19029 New Edge Networks
22141 UNALLOCATED 65.208.26.0/23 701 UUNET Technologies,
6971 UNALLOCATED 66.182.0.0/18 2516 Kokusai Denshin Denw
21279 UNALLOCATED 80.240.128.0/20 1755 Ebone Transit Core
22373 UNALLOCATED 138.113.0.0/16 701 UUNET Technologies,
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
22149 UNALLOCATED 157.245.0.0/20 7018 AT&T
22466 UNALLOCATED 192.43.219.0/24 174 PSINet Inc.
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
22388 UNALLOCATED 192.203.116.0/24 11537 University Corporati
22466 UNALLOCATED 192.231.172.0/24 174 PSINet Inc.
17926 UNALLOCATED 192.245.58.0/23 9740 Cable & Wireless Net
21227 UNALLOCATED 193.109.86.0/24 1257 SWIPnet Swedish IP N
21239 UNALLOCATED 193.109.126.0/24 702 UUNET Technologies,
21279 UNALLOCATED 194.6.165.0/24 1755 Ebone Transit Core
21279 UNALLOCATED 194.209.81.0/24 1755 Ebone Transit Core
21279 UNALLOCATED 195.65.102.0/24 1755 Ebone Transit Core
22466 UNALLOCATED 199.43.117.0/24 174 PSINet Inc.
22466 UNALLOCATED 199.85.107.0/24 174 PSINet Inc.
22466 UNALLOCATED 199.164.129.0/24 174 PSINet Inc.
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
22080 UNALLOCATED 200.81.94.0/23 13591 MetroRED Telecomunic
65000 PRIVATE 203.21.200.0/24 1221 Telstra Pty Ltd
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,
22463 UNALLOCATED 208.3.198.0/24 21687 Hudson Valley DataNe
22463 UNALLOCATED 208.3.199.0/24 21687 Hudson Valley DataNe
22463 UNALLOCATED 208.28.232.0/24 21687 Hudson Valley DataNe
22463 UNALLOCATED 208.28.236.0/24 21687 Hudson Valley DataNe
21271 UNALLOCATED 208.154.200.0/24 11300 Lyman Brothers
21271 UNALLOCATED 208.154.201.0/24 11300 Lyman Brothers
22475 UNALLOCATED 208.253.52.0/23 174 PSINet Inc.
21181 UNALLOCATED 213.9.194.0/24 8220 COLT Internet - Inte
22164 UNALLOCATED 216.51.170.0/24 1239 Sprint
22466 UNALLOCATED 216.57.6.0/23 15290 AT&T Canada IES
22466 UNALLOCATED 216.57.12.0/23 15290 AT&T Canada IES
22466 UNALLOCATED 216.57.20.0/22 15290 AT&T Canada IES
22466 UNALLOCATED 216.57.56.0/22 15290 AT&T Canada IES
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 216.174.200.0/21 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 216.210.128.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.140.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.160.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.176.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.184.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.200.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.216.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.220.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.224.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.232.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.236.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.240.0/20 2914 Verio, Inc.
6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw
21271 UNALLOCATED 217.64.96.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.96.0/20 6453 Teleglobe Inc.
21271 UNALLOCATED 217.64.97.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.98.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.99.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.100.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.102.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.103.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.106.0/24 11300 Lyman Brothers
21271 UNALLOCATED 217.64.108.0/24 11300 Lyman Brothers
4837 UNALLOCATED 218.30.0.0/22 4134 Data Communications
4815 UNALLOCATED 218.30.4.0/22 4134 Data Communications
4816 UNALLOCATED 218.30.8.0/22 4134 Data Communications
4837 UNALLOCATED 218.30.16.0/24 4134 Data Communications
4815 UNALLOCATED 218.30.17.0/24 4134 Data Communications
4816 UNALLOCATED 218.30.18.0/24 4134 Data Communications
17696 UNALLOCATED 218.40.160.0/19 4713 NTT Communications C
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
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 /8:19 /9:5 /10:7 /11:12 /12:35
/13:90 /14:224 /15:390 /16:7016 /17:1323 /18:2434
/19:7074 /20:6020 /21:4816 /22:7208 /23:9057 /24:61634
/25:314 /26:297 /27:284 /28:303 /29:164 /30:195
/31:1 /32:181
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1493 2311 UUNET Technologies, Inc.
1221 1420 1565 Telstra Pty Ltd
3908 891 1174 Supernet, Inc.
7046 685 864 UUNET Technologies, Inc.
702 648 951 UUNET Technologies, Inc.
7018 570 1096 AT&T
690 505 508 Merit Network
3967 500 674 Exodus Communication
4293 435 450 Cable & Wireless USA
1239 414 739 Sprint
1 408 848 BBN Planet
209 408 579 Qwest
2764 363 408 connect.com.au pty ltd
705 347 403 UUNET Technologies, Inc.
4323 343 408 Time Warner Communications, I
4151 318 362 USDA
703 307 379 UUNET Technologies, Inc.
2149 302 427 Performance Systems, Inc.
7066 268 298 Virginia Polytechnic Institut
8151 267 329 UniNet S.A. de C.V.
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:1 12:424 13:10 15:1 17:5 20:1
24:824 25:1 26:1 32:75 38:13 43:2
44:2 47:2 52:1 53:2 57:12 61:104
62:153 63:1959 64:1205 65:859 66:470 67:2
80:79 128:57 129:111 130:23 131:47 132:13
133:2 134:132 135:8 136:106 137:108 138:194
139:51 140:199 141:60 142:63 143:39 144:146
145:13 146:234 147:129 148:220 149:85 150:43
151:190 152:387 153:51 154:21 155:84 156:94
157:111 158:73 159:70 160:46 161:60 162:72
163:161 164:122 165:128 166:208 167:157 168:123
169:45 170:286 171:2 192:5429 193:2027 194:2058
195:846 196:456 198:3815 199:3513 200:2470 201:1
202:2840 203:4558 204:3389 205:2181 206:2849 207:2598
208:3047 209:3123 210:622 211:154 212:915 213:533
214:9 215:17 216:2973 217:424 218:5
End of report
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