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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 20:00 +10GMT Fri 14 Jun, 2002
Analysis Summary
----------------
BGP routing table entries examined: 116633
Prefixes after maximum aggregation: 75593
Unique aggregates announced to Internet: 52672
Total ASes present in the Internet Routing Table: 13222
Origin-only ASes present in the Internet Routing Table: 11458
Origin ASes announcing only one prefix: 5048
Transit ASes present in the Internet Routing Table: 1764
Transit-only ASes present in the Internet Routing Table: 52
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 16
Illegal AS announcements present in the Routing Table: 26
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 36
Number of addresses announced to Internet: 1196237788
Equivalent to 71 /8s, 77 /16s and 35 /24s
Percentage of available address space announced: 32.3
Percentage of allocated address space announced: 60.1
Percentage of available address space allocated: 53.7
Total number of prefixes smaller than registry allocations: 49179
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18425
Total APNIC prefixes after maximum aggregation: 11036
Prefixes being announced from the APNIC address blocks: 16897
Unique aggregates announced from the APNIC address blocks: 9854
APNIC Region origin ASes present in the Internet Routing Table: 1536
APNIC Region origin ASes announcing only one prefix: 504
APNIC Region transit ASes present in the Internet Routing Table: 276
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 89807456
Equivalent to 5 /8s, 90 /16s and 90 /24s
Percentage of available APNIC address space announced: 66.4
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 79070
Total ARIN prefixes after maximum aggregation: 50068
Prefixes being announced from the ARIN address blocks: 54241
Unique aggregates announced from the ARIN address blocks: 16714
ARIN Region origin ASes present in the Internet Routing Table: 7799
ARIN Region origin ASes announcing only one prefix: 2490
ARIN Region transit ASes present in the Internet Routing Table: 766
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 193366356
Equivalent to 11 /8s, 134 /16s and 137 /24s
Percentage of available ARIN address space announced: 72.0
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 - 23551
25600 - 26623
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: 19138
Total RIPE prefixes after maximum aggregation: 14489
Prefixes being announced from the RIPE address blocks: 15831
Unique aggregates announced from the RIPE address blocks: 10548
RIPE Region origin ASes present in the Internet Routing Table: 3835
RIPE Region origin ASes announcing only one prefix: 2054
RIPE Region transit ASes present in the Internet Routing Table: 707
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 110449440
Equivalent to 6 /8s, 149 /16s and 83 /24s
Percentage of available RIPE address space announced: 73.1
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, 24576 - 25599
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 MaxAgg Description
1221 1261 1222 907 Telstra Pty Ltd
4538 461 1130 16 China Education and Research
703 412 350 330 UUNET Technologies, Inc.
2907 378 1827 351 SINET Japan
2764 376 359 343 connect.com.au pty ltd
7474 311 291 207 Optus Communications Pty Ltd
17557 303 20 115 Pakistan Telecom
4134 290 2132 102 Data Communications Bureau
4755 287 115 77 Videsh Sanchar Nigam Ltd. Aut
9443 250 45 65 Primus Telecommunications
4766 225 1516 156 Korea Internet Exchange for "
4814 197 79 14 China Telecom (Group) - Beiji
4713 183 1009 106 NTT Communications Corporatio
9583 173 32 5 Satyam Infoway Ltd.,
7539 154 203 149 TANet2, sponsored by NSC, TAI
17676 147 2274 22 XTAGE CORPORATION
9768 146 386 75 Korea Telecom
7657 138 22 86 The Internet Group Limited
9800 115 187 23 CHINA UNICOM
4780 112 186 39 Digital United Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 1023 2619 847 UUNET Technologies, Inc.
3301 393 908 344 TeliaNet Sweden
3352 281 537 27 Ibernet, Internet Access Netw
3215 264 598 163 France Telecom / &Equant
680 233 2149 230 DFN-IP service G-WiN
3320 231 1946 184 Deutsche Telekom AG
5515 206 783 172 Sonera Finland Autonomous Sys
1257 203 430 200 SWIPnet Swedish IP Network
5400 203 83 94 Concert European Core Network
719 191 306 129 LANLINK autonomous system
786 179 1873 178 The JANET IP Service
8708 140 23 137 Romania Data Systems S.A.
2856 125 789 115 BTnet UK Regional network
12302 122 10 29 MobiFon S.A.
3303 121 546 120 Swisscom Ltd
3269 113 692 70 TELECOM ITALIA
8297 112 57 65 Teleglobe Autonomous System i
3246 107 284 101 Song Networks / Clinet
3233 102 6 56 RNC - Romanian Natioanal R&D
2874 98 85 38 Global One Services AB
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2149 3127 366 2551 Performance Systems, Inc.
701 2005 9005 1410 UUNET Technologies, Inc.
7018 1287 7437 934 AT&T
3908 898 1642 493 Supernet, Inc.
1239 809 3406 645 Sprint
705 801 176 275 UUNET Technologies, Inc.
852 780 1191 447 Telus Advanced Communications
1 700 8148 449 GENUITY
4323 629 436 257 Time Warner Communications, I
209 606 1972 338 Qwest
7046 603 851 399 UUNET Technologies, Inc.
690 586 81 374 Merit Network
7132 574 611 133 Southwestern Bell Internet Se
7843 526 369 76 Adelphia Corp.
3549 484 857 323 Global Crossing
7066 475 202 248 Virginia Polytechnic Institut
2914 395 2108 386 Verio, Inc.
15290 386 299 200 AT&T Canada IES
6197 346 246 170 BellSouth Network Solutions,
6347 337 370 78 SAVVIS Communications Corpora
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
701 2005 595 UUNET Technologies, Inc.
705 801 526 UUNET Technologies, Inc.
7843 526 450 Adelphia Corp.
4538 461 445 China Education and Research
7132 574 441 Southwestern Bell Internet Se
3908 898 405 Supernet, Inc.
4323 629 372 Time Warner Communications, I
1221 1261 354 Telstra Pty Ltd
7018 1287 353 AT&T
852 780 333 Telus Advanced Communications
11371 292 286 Rhythms NetConnections
174 299 270 PSINet Inc.
4151 285 269 USDA
209 606 268 Qwest
6347 337 259 SAVVIS Communications Corpora
3352 281 254 Ibernet, Internet Access Netw
1 700 251 GENUITY
7029 263 248 Alltel Information Services,
4355 297 244 EarthLink, Inc.
7066 475 227 Virginia Polytechnic Institut
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
6262 UNALLOCATED 150.229.0.0/19 7572 Australian Academic
25975 UNALLOCATED 192.58.243.0/24 4565 Epoch Networks
25975 UNALLOCATED 192.104.242.0/24 4565 Epoch Networks
1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p
12501 UNALLOCATED 193.13.234.0/24 3301 TeliaNet Sweden
12501 UNALLOCATED 193.180.0.0/24 3301 TeliaNet Sweden
12501 UNALLOCATED 193.180.5.0/24 3301 TeliaNet Sweden
12501 UNALLOCATED 193.180.7.0/24 3301 TeliaNet Sweden
12501 UNALLOCATED 193.180.243.0/24 3301 TeliaNet Sweden
12501 UNALLOCATED 193.180.244.0/23 3301 TeliaNet Sweden
12501 UNALLOCATED 193.180.246.0/24 3301 TeliaNet Sweden
12501 UNALLOCATED 194.165.224.0/19 3301 TeliaNet Sweden
25975 UNALLOCATED 198.177.251.0/24 4565 Epoch Networks
25975 UNALLOCATED 198.177.252.0/23 4565 Epoch Networks
25975 UNALLOCATED 198.177.254.0/24 4565 Epoch Networks
18228 UNALLOCATED 202.6.160.0/20 3758 SingNet
17996 UNALLOCATED 202.162.32.0/20 17885 ISP-Project
17902 UNALLOCATED 203.109.150.0/24 4648 Netgate
25979 UNALLOCATED 205.213.213.0/24 701 UUNET Technologies,
25979 UNALLOCATED 205.213.214.0/24 701 UUNET Technologies,
25979 UNALLOCATED 205.213.215.0/24 701 UUNET Technologies,
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
12501 UNALLOCATED 212.32.128.0/18 3301 TeliaNet Sweden
12501 UNALLOCATED 212.217.128.0/17 3301 TeliaNet Sweden
12501 UNALLOCATED 213.79.128.0/17 3301 TeliaNet Sweden
25967 UNALLOCATED 216.234.80.0/20 701 UUNET Technologies,
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
132.0.0.0/10 568 DISO-UNRRA
134.137.0.0/16 7170 AT&T Government Markets
135.0.0.0/13 10455 Lucent Technologies
137.0.0.0/13 568 DISO-UNRRA
138.94.0.0/16 1 GENUITY
154.150.0.0/16 6494 IDCI
158.0.0.0/13 568 DISO-UNRRA
164.233.0.0/16 6020 DISA NETWORK SERVICES
192.26.98.0/24 1239 Sprint
192.44.0.0/19 702 UUNET Technologies, Inc.
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.83.16.0/20 5515 Sonera Finland Autonomous Sys
192.83.32.0/19 5515 Sonera Finland Autonomous Sys
192.83.96.0/22 5515 Sonera Finland Autonomous Sys
192.83.100.0/24 5515 Sonera Finland Autonomous Sys
192.91.198.0/24 2568 CTS Network Services
192.92.167.0/24 297 NASA Science Network
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.135.248.0/23 109 Cisco Systems, Inc.
192.136.79.0/24 719 LANLINK autonomous system
192.136.86.0/24 719 LANLINK autonomous system
192.136.87.0/24 719 LANLINK autonomous system
192.136.88.0/24 719 LANLINK autonomous system
192.139.62.0/24 6539 GT Group Telecom Services Cor
192.140.0.0/16 5511 France Telecom
192.152.213.0/24 1239 Sprint
192.153.136.0/21 568 DISO-UNRRA
192.156.0.0/19 568 DISO-UNRRA
192.172.0.0/19 568 DISO-UNRRA
192.195.253.0/24 237 Merit Network
192.208.29.0/24 3908 Supernet, Inc.
192.208.30.0/23 3908 Supernet, Inc.
192.243.36.0/23 7168 Northwest Link
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:6 /10:7 /11:12 /12:34
/13:89 /14:233 /15:415 /16:7245 /17:1452 /18:2612
/19:7645 /20:7240 /21:5094 /22:7825 /23:9513 /24:66466
/25:199 /26:180 /27:82 /28:86 /29:51 /30:90
/31:1 /32:35
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
2149 2879 3127 Performance Systems, Inc.
702 631 1023 UUNET Technologies, Inc.
705 594 801 UUNET Technologies, Inc.
701 567 2005 UUNET Technologies, Inc.
3908 488 898 Supernet, Inc.
690 465 586 Merit Network
7066 380 475 Virginia Polytechnic Institut
7018 339 1287 AT&T
7843 318 526 Adelphia Corp.
209 275 606 Qwest
174 262 299 PSINet Inc.
7046 250 603 UUNET Technologies, Inc.
6197 249 346 BellSouth Network Solutions,
7029 248 263 Alltel Information Services,
11371 245 292 Rhythms NetConnections
3301 235 393 TeliaNet Sweden
6198 232 319 BellSouth Network Solutions,
18566 219 223 Covad Communications
6517 217 239 Yipes Communications, Inc.
1239 210 809 Sprint
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 9:1 12:505 13:10 15:2 17:6
20:2 24:780 25:1 32:41 38:3012 40:6
44:1 57:13 61:266 62:200 63:1923 64:1233
65:1637 66:953 67:84 68:170 80:237 81:27
128:60 129:140 130:24 131:48 132:11 133:3
134:119 135:8 136:246 137:93 138:150 139:58
140:168 141:121 142:83 143:37 144:151 145:14
146:174 147:139 148:210 149:92 150:40 151:127
152:262 153:34 154:15 155:99 156:77 157:126
158:69 159:127 160:18 161:68 162:154 163:100
164:255 165:130 166:227 167:172 168:130 169:59
170:343 171:2 192:5484 193:2365 194:2061 195:942
196:398 198:3688 199:3230 200:2572 202:3222 203:4620
204:3259 205:2177 206:2562 207:2680 208:2676 209:2696
210:587 211:223 212:917 213:641 214:9 215:19
216:3006 217:456 218:39 219:41
End of report
-----
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