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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 01 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106406
Origin ASes present in the Internet Routing Table: 11575
Origin ASes announcing only one prefix: 4232
Transit ASes present in the Internet Routing Table: 1499
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: 47
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: 1215124844
Equivalent to 72 /8s, 109 /16s and 85 /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: 72389
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16098
Prefixes being announced from the APNIC address blocks: 14499
APNIC Region origin ASes present in the Internet Routing Table: 1356
APNIC Region origin ASes announcing only one prefix: 453
APNIC Region transit ASes present in the Internet Routing Table: 224
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 77727360
Equivalent to 4 /8s, 162 /16s and 6 /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: 73049
Prefixes being announced from the ARIN address blocks: 52495
ARIN Region origin ASes present in the Internet Routing Table: 6967
ARIN Region origin ASes announcing only one prefix: 2058
ARIN Region transit ASes present in the Internet Routing Table: 697
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 207674772
Equivalent to 12 /8s, 96 /16s and 221 /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: 17251
Prefixes being announced from the RIPE address blocks: 13650
RIPE Region origin ASes present in the Internet Routing Table: 3261
RIPE Region origin ASes announcing only one prefix: 1721
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: 15
Number of RIPE addresses announced to Internet: 106331163
Equivalent to 6 /8s, 86 /16s and 124 /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 1615 1316 Telstra Pty Ltd
2764 435 378 connect.com.au pty ltd
703 430 370 UUNET Technologies, Inc.
2907 368 1816 SINET Japan
4755 296 162 Videsh Sanchar Nigam Ltd. Aut
4134 243 1761 Data Communications Bureau
7474 236 289 Optus Communications Pty Ltd
7539 210 191 TANet2, sponsored by NSC, TAI
4740 191 22 OzEmail ISP
4766 176 1318 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
4713 116 884 NTT Communications Corporatio
17561 116 167 Internet service provision to
4812 108 277 China Telecom (Group)
7586 108 17 Paradox Digital Pty Ltd
17557 107 7 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 726 1782 UUNET Technologies, Inc.
3301 430 917 TeliaNet Sweden
1257 278 522 SWIPnet Swedish IP Network
680 232 2261 DFN-IP service G-WiN
3215 221 512 France Telecom / &Equant
1270 205 826 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 153 19 Romania Data Systems S.A.
15878 143 12 Global Center Paris
5400 134 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 2260 8172 UUNET Technologies, Inc.
7018 1033 7165 AT&T
3908 906 650 Supernet, Inc.
1 871 8659 BBN Planet
7046 790 1024 UUNET Technologies, Inc.
1239 726 3284 Sprint
3967 602 487 Exodus Communication
690 521 98 Merit Network
209 502 2135 Qwest
2914 500 2276 Verio, Inc.
4293 473 114 Cable & Wireless USA
3561 422 2377 Cable & Wireless USA
2548 382 981 Business Internet, Inc.
2149 374 311 Performance Systems, Inc.
3549 367 835 Global Crossing
577 366 634 Bell Advanced Communications
4323 349 341 Time Warner Communications, I
15290 345 338 AT&T Canada IES
4151 331 1234 USDA
6347 330 359 SAVVIS Communications Corpora
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2239 8167 UUNET Technologies, Inc.
1221 1697 1308 Telstra Pty Ltd
7018 1055 7215 AT&T
3908 901 729 Supernet, Inc.
1 872 8638 BBN Planet
7046 787 1008 UUNET Technologies, Inc.
702 718 1774 UUNET Technologies, Inc.
1239 691 3273 Sprint
3967 598 487 Exodus Communication
690 524 82 Merit Network
209 502 2135 Qwest
2914 495 2275 Verio, Inc.
4293 462 113 Cable & Wireless USA
2764 460 379 connect.com.au pty ltd
3301 429 917 TeliaNet Sweden
703 420 368 UUNET Technologies, Inc.
3561 409 2359 Cable & Wireless USA
2149 374 311 Performance Systems, Inc.
2548 372 981 Business Internet, Inc.
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 /16:6960 /17:1224 /18:2321
/19:6910 /20:5715 /21:4674 /22:6907 /23:8788 /24:60489
/25:337 /26:339 /27:271 /28:270 /29:159 /30:201
/31:1 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1473 1615 Telstra Pty Ltd
701 1425 2260 UUNET Technologies, Inc.
3908 753 906 Supernet, Inc.
7046 612 790 UUNET Technologies, Inc.
7018 528 1033 AT&T
690 517 521 Merit Network
702 471 726 UUNET Technologies, Inc.
4293 456 473 Cable & Wireless USA
3967 422 602 Exodus Communication
1 407 871 BBN Planet
1239 402 726 Sprint
2764 388 435 connect.com.au pty ltd
703 359 430 UUNET Technologies, Inc.
209 355 502 Qwest
11371 306 319 Rhythms NetConnections
4323 294 349 Time Warner Communications, I
4151 289 331 USDA
2548 276 382 Business Internet, Inc.
5106 276 293 Ameritech Advanced Data Servi
6995 275 289 Bell Atlantic Internet Soluti
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 9:1 12:410 13:10 15:1 17:6
20:1 24:767 26:1 32:70 38:8 43:4
44:2 53:2 55:1 57:15 61:68 62:137
63:1911 64:1344 65:645 66:459 80:36 128:43
129:114 130:17 131:42 132:12 133:1 134:151
135:8 136:22 137:142 138:201 139:46 140:197
141:161 142:63 143:39 144:140 145:11 146:145
147:130 148:232 149:89 150:36 151:209 152:393
153:31 154:23 155:79 156:83 157:100 158:72
159:66 160:45 161:60 162:67 163:158 164:108
165:95 166:187 167:138 168:117 169:36 170:286
171:2 192:5433 193:1944 194:2041 195:826 196:416
198:3661 199:3291 200:2506 201:1 202:2730 203:4627
204:3319 205:2227 206:2873 207:2584 208:3058 209:3222
210:531 211:128 212:822 213:464 214:8 215:13
216:3074 217:390 218:2
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 64.42.0.0/17 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 64.42.60.0/22 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 2914 Verio, Inc.
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 2914 Verio, Inc.
6971 UNALLOCATED 192.103.230.0/23 2914 Verio, Inc.
6971 UNALLOCATED 192.103.232.0/22 2914 Verio, Inc.
6971 UNALLOCATED 192.103.236.0/23 2914 Verio, Inc.
6971 UNALLOCATED 192.103.237.0/24 2914 Verio, Inc.
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 2914 Verio, Inc.
64550 PRIVATE 203.161.39.0/24 17802 Internet AccessFor Q
6971 UNALLOCATED 206.58.248.0/21 2914 Verio, Inc.
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
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 2914 Verio, Inc.
6971 UNALLOCATED 216.121.224.0/19 2914 Verio, Inc.
6971 UNALLOCATED 216.174.192.0/18 2914 Verio, Inc.
6971 UNALLOCATED 216.174.200.0/23 2914 Verio, Inc.
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 2914 Verio, Inc.
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 2914 Verio, Inc.
6971 UNALLOCATED 216.210.128.0/17 2914 Verio, Inc.
6971 UNALLOCATED 216.229.96.0/20 2914 Verio, Inc.
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 /14:225 /15:381 /16:6936 /17:1210 /18:2303
/19:6878 /20:5674 /21:4640 /22:6806 /23:8680 /24:59595
/25:81 /26:88 /27:65 /28:52 /29:34 /30:79
/31:0 /32:102
End of report
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