Weekly Routing Table Report
Routing Table Analysis
cscora at thyme.apnic.net
Fri Jul 5 06:05:52 EDT 2002
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 05 Jul, 2002
Analysis Summary
----------------
BGP routing table entries examined: 113313
Prefixes after maximum aggregation: 73541
Unique aggregates announced to Internet: 53461
Total ASes present in the Internet Routing Table: 13292
Origin-only ASes present in the Internet Routing Table: 11513
Origin ASes announcing only one prefix: 5092
Transit ASes present in the Internet Routing Table: 1779
Transit-only ASes present in the Internet Routing Table: 48
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: 2
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: 1201977052
Equivalent to 71 /8s, 164 /16s and 182 /24s
Percentage of available address space announced: 32.4
Percentage of allocated address space announced: 59.9
Percentage of available address space allocated: 54.1
Total number of prefixes smaller than registry allocations: 45809
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18535
Total APNIC prefixes after maximum aggregation: 11071
Prefixes being announced from the APNIC address blocks: 17032
Unique aggregates announced from the APNIC address blocks: 10457
APNIC Region origin ASes present in the Internet Routing Table: 1553
APNIC Region origin ASes announcing only one prefix: 510
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: 13
Number of APNIC addresses announced to Internet: 88121440
Equivalent to 5 /8s, 64 /16s and 160 /24s
Percentage of available APNIC address space announced: 58.0
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 220/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 75527
Total ARIN prefixes after maximum aggregation: 47967
Prefixes being announced from the ARIN address blocks: 53813
Unique aggregates announced from the ARIN address blocks: 17014
ARIN Region origin ASes present in the Internet Routing Table: 7823
ARIN Region origin ASes announcing only one prefix: 2505
ARIN Region transit ASes present in the Internet Routing Table: 763
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 199664468
Equivalent to 11 /8s, 230 /16s and 163 /24s
Percentage of available ARIN address space announced: 74.4
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 - 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: 19250
Total RIPE prefixes after maximum aggregation: 14503
Prefixes being announced from the RIPE address blocks: 15987
Unique aggregates announced from the RIPE address blocks: 10429
RIPE Region origin ASes present in the Internet Routing Table: 3868
RIPE Region origin ASes announcing only one prefix: 2077
RIPE Region transit ASes present in the Internet Routing Table: 718
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 111972128
Equivalent to 6 /8s, 172 /16s and 143 /24s
Percentage of available RIPE address space announced: 74.2
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 1269 1223 906 Telstra Pty Ltd
4538 448 1258 18 China Education and Research
703 401 358 319 UUNET Technologies, Inc.
2764 367 358 337 connect.com.au pty ltd
2907 366 1864 341 SINET Japan
7474 313 292 212 Optus Communications Pty Ltd
17557 308 21 110 Pakistan Telecom
4755 303 120 82 Videsh Sanchar Nigam Ltd. Aut
4134 291 2114 107 Data Communications Bureau
9443 254 45 66 Primus Telecommunications
4766 217 1506 155 Korea Internet Exchange for "
4814 210 79 14 China Telecom (Group) - Beiji
9583 174 32 5 Satyam Infoway Ltd.,
17676 154 2386 25 XTAGE CORPORATION
7539 153 202 148 TANet2, sponsored by NSC, TAI
9768 144 385 74 Korea Telecom
7657 130 22 88 The Internet Group Limited
9800 125 191 18 CHINA UNICOM
4713 115 1009 106 NTT Communications Corporatio
4621 111 11 61 UNINET-TH
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 950 2461 783 UUNET Technologies, Inc.
3301 396 924 346 TeliaNet Sweden
3352 280 535 29 Ibernet, Internet Access Netw
3215 266 628 166 France Telecom / &Equant
3320 241 1947 193 Deutsche Telekom AG
680 233 2149 230 DFN-IP service G-WiN
5515 216 783 172 Sonera Finland Autonomous Sys
1257 205 430 202 SWIPnet Swedish IP Network
5400 205 83 94 Concert European Core Network
719 189 306 128 LANLINK autonomous system
786 178 1873 177 The JANET IP Service
8708 140 23 137 Romania Data Systems S.A.
3303 135 546 134 Swisscom Ltd
2856 126 786 116 BTnet UK Regional network
12302 118 7 31 MobiFon S.A.
3246 112 301 107 Song Networks / Clinet
3269 111 690 68 TELECOM ITALIA
5511 108 192 87 France Telecom
3233 104 10 9 RNC - Romanian Natioanal R&D
2874 102 85 39 Global One Services AB
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1854 9256 1381 UUNET Technologies, Inc.
7018 1284 7406 933 AT&T
3908 920 1643 500 Supernet, Inc.
1239 824 3328 647 Sprint
1 693 8075 446 GENUITY
852 681 1173 447 Telus Advanced Communications
4323 631 438 258 Time Warner Communications, I
7843 616 358 234 Adelphia Corp.
209 611 2011 351 Qwest
7132 579 659 133 Southwestern Bell Internet Se
7046 565 889 362 UUNET Technologies, Inc.
690 513 75 315 Merit Network
7066 477 202 252 Virginia Polytechnic Institut
7029 475 167 58 Alltel Information Services,
2149 444 180 337 Performance Systems, Inc.
3549 441 839 317 Global Crossing
2914 407 2100 384 Verio, Inc.
15290 381 297 196 AT&T Canada IES
6197 347 248 169 BellSouth Network Solutions,
6347 339 370 77 SAVVIS Communications Corpora
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7132 579 446 Southwestern Bell Internet Se
4538 448 430 China Education and Research
3908 920 420 Supernet, Inc.
7029 475 417 Alltel Information Services,
7843 616 382 Adelphia Corp.
4323 631 373 Time Warner Communications, I
1221 1269 363 Telstra Pty Ltd
7018 1284 351 AT&T
11371 292 286 Rhythms NetConnections
4151 289 273 USDA
6347 339 262 SAVVIS Communications Corpora
209 611 260 Qwest
3352 280 251 Ibernet, Internet Access Netw
4355 301 249 EarthLink, Inc.
1 693 247 GENUITY
852 681 234 Telus Advanced Communications
7066 477 225 Virginia Polytechnic Institut
18566 228 224 Covad Communications
4755 303 221 Videsh Sanchar Nigam Ltd. Aut
6198 324 219 BellSouth Network Solutions,
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65000 PRIVATE 145.8.176.0/24 12469 Infonet Netherlands
5757 UNALLOCATED 207.19.224.0/24 701 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
158.0.0.0/13 568 DISO-UNRRA
164.233.0.0/16 6020 DISA NETWORK SERVICES
192.5.154.0/24 16588 Spider Web Hosting Solutions
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 /12:36
/13:87 /14:233 /15:418 /16:7226 /17:1449 /18:2647
/19:7662 /20:7330 /21:5138 /22:7922 /23:9614 /24:62853
/25:198 /26:162 /27:74 /28:72 /29:51 /30:74
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
702 588 950 UUNET Technologies, Inc.
701 509 1854 UUNET Technologies, Inc.
3908 509 920 Supernet, Inc.
690 454 513 Merit Network
7843 424 616 Adelphia Corp.
7066 382 477 Virginia Polytechnic Institut
7029 373 475 Alltel Information Services,
7018 342 1284 AT&T
209 274 611 Qwest
6197 249 347 BellSouth Network Solutions,
11371 245 292 Rhythms NetConnections
6198 237 324 BellSouth Network Solutions,
3301 234 396 TeliaNet Sweden
18566 224 228 Covad Communications
7046 218 565 UUNET Technologies, Inc.
1239 209 824 Sprint
3352 204 280 Ibernet, Internet Access Netw
1580 203 233 HQ, 5th Signal Command
3215 199 266 France Telecom / &Equant
1 193 693 GENUITY
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 9:1 12:501 13:10 15:2 17:6
20:2 24:794 25:1 32:41 38:9 40:6
44:1 57:13 61:269 62:209 63:1885 64:1255
65:1419 66:994 67:89 68:45 80:253 81:32
128:62 129:135 130:22 131:48 132:11 133:2
134:123 135:8 136:243 137:92 138:149 139:69
140:175 141:122 142:81 143:40 144:153 145:14
146:182 147:136 148:222 149:89 150:40 151:67
152:261 153:34 154:14 155:106 156:77 157:128
158:70 159:179 160:18 161:68 162:213 163:99
164:265 165:133 166:220 167:170 168:126 169:61
170:250 171:3 192:5444 193:2360 194:2091 195:921
196:395 198:3625 199:3185 200:2581 202:3261 203:4657
204:3255 205:2183 206:2670 207:2547 208:2650 209:2649
210:592 211:226 212:913 213:655 214:9 215:19
216:2852 217:465 218:28
End of report
More information about the Rtma
mailing list