[apops] Weekly Routing Table Report
Routing Table Analysis
cscora at thyme.apnic.net
Fri Aug 16 06:04:59 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 16 Aug, 2002
Analysis Summary
----------------
BGP routing table entries examined: 113000
Prefixes after maximum aggregation: 73565
Unique aggregates announced to Internet: 54874
Total ASes present in the Internet Routing Table: 13487
Origin-only ASes present in the Internet Routing Table: 11673
Origin ASes announcing only one prefix: 5207
Transit ASes present in the Internet Routing Table: 1814
Transit-only ASes present in the Internet Routing Table: 51
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 21
Illegal AS announcements present in the Routing Table: 1
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 35
Number of addresses announced to Internet: 1182751136
Equivalent to 70 /8s, 127 /16s and 89 /24s
Percentage of available address space announced: 31.9
Percentage of allocated address space announced: 58.5
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 45583
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18737
Total APNIC prefixes after maximum aggregation: 11073
Prefixes being announced from the APNIC address blocks: 17396
Unique aggregates announced from the APNIC address blocks: 10651
APNIC Region origin ASes present in the Internet Routing Table: 1583
APNIC Region origin ASes announcing only one prefix: 517
APNIC Region transit ASes present in the Internet Routing Table: 278
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 11
Number of APNIC addresses announced to Internet: 92745312
Equivalent to 5 /8s, 135 /16s and 46 /24s
Percentage of available APNIC address space announced: 61.0
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: 75022
Total ARIN prefixes after maximum aggregation: 47902
Prefixes being announced from the ARIN address blocks: 53679
Unique aggregates announced from the ARIN address blocks: 18115
ARIN Region origin ASes present in the Internet Routing Table: 7915
ARIN Region origin ASes announcing only one prefix: 2561
ARIN Region transit ASes present in the Internet Routing Table: 779
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 190832704
Equivalent to 11 /8s, 95 /16s and 224 /24s
Percentage of available ARIN address space announced: 66.9
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, 68/7, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 19241
Total RIPE prefixes after maximum aggregation: 14590
Prefixes being announced from the RIPE address blocks: 15980
Unique aggregates announced from the RIPE address blocks: 10513
RIPE Region origin ASes present in the Internet Routing Table: 3938
RIPE Region origin ASes announcing only one prefix: 2129
RIPE Region transit ASes present in the Internet Routing Table: 747
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 113158144
Equivalent to 6 /8s, 190 /16s and 168 /24s
Percentage of available RIPE address space announced: 74.9
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 1214 1189 888 Telstra Pty Ltd
4538 626 1312 28 China Education and Research
703 416 377 324 UUNET
2907 362 1815 341 SINET Japan
2764 358 358 329 connect.com.au pty ltd
7474 318 292 214 Optus Communications Pty Ltd
4134 299 2183 102 Data Communications Bureau
4755 286 143 75 Videsh Sanchar Nigam Ltd. Aut
17557 268 20 95 Pakistan Telecom
4766 249 1506 156 Korea Internet Exchange for "
4814 231 79 14 China Telecom (Group)
17676 187 2914 34 XTAGE CORPORATION
9583 183 32 5 Satyam Infoway Ltd.,
9443 171 45 68 Primus Telecommunications
9768 144 385 74 Korea Telecom
7657 132 22 91 The Internet Group Limited
9800 121 187 23 CHINA UNICOM
4713 114 1009 105 NTT Communications Corporatio
4739 113 56 104 Commerical Internet eXchange
4795 103 19 54 INDOSATNET-ASN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 896 2430 753 UUNET - Commercial IP service
3301 396 923 345 TeliaNet Sweden
5515 320 783 180 Sonera Solution Autonomous Sy
3215 291 641 180 France Telecom Transpac
3320 246 1964 212 Deutsche Telekom AG
680 237 2150 234 DFN-IP service G-WiN
5400 211 85 100 BT Ignite European Backbone
1257 207 446 202 SWIPnet Swedish IP Network
719 182 306 128 LANLINK autonomous system
786 177 1873 177 The JANET IP Service
8708 145 41 141 Romania Data Systems S.A.
3303 142 548 141 Swisscom Ltd
2856 126 786 116 BTnet UK Regional network
12302 126 18 33 MobiFon S.A.
3246 112 317 107 Song Networks
5511 110 192 88 France Telecom
3233 106 10 9 RNC - Romanian Natioanal R&D
3269 106 658 63 TELECOM ITALIA
2874 102 85 39 Global One Services AB
8220 100 166 96 COLT Internet - International
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1785 9126 1358 UUNET Technologies, Inc.
7018 1310 7435 936 AT&T
3908 1014 1659 494 Supernet, Inc.
1239 821 3224 645 Sprint
852 724 1175 450 Telus Advanced Communications
1 671 8039 432 GENUITY
7843 644 371 258 Adelphia Corp.
7132 595 663 137 Southwestern Bell Internet Se
4323 544 450 172 Time Warner Communications, I
690 523 76 329 Merit Network
7046 512 882 315 UUNET Technologies, Inc.
209 507 2057 343 Qwest
2548 465 1162 277 Business Internet, Inc.
3549 435 808 312 Global Crossing
6197 381 611 37 BellSouth Network Solutions,
15290 377 297 192 AT&T Canada IES
2914 362 2074 362 Verio, Inc.
6347 350 370 76 SAVVIS Communications Corpora
4355 337 279 72 EarthLink, Inc.
6198 317 158 203 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 626 598 China Education and Research
3908 1014 520 Supernet, Inc.
7132 595 458 Southwestern Bell Internet Se
7843 644 386 Adelphia Corp.
7018 1310 374 AT&T
4323 544 372 Time Warner Communications, I
6197 381 344 BellSouth Network Solutions,
1221 1214 326 Telstra Pty Ltd
4151 303 287 USDA
852 724 274 Telus Advanced Communications
6347 350 274 SAVVIS Communications Corpora
4355 337 265 EarthLink, Inc.
18566 245 241 Covad Communications
1 671 239 GENUITY
4814 231 217 China Telecom (Group)
4755 286 211 Videsh Sanchar Nigam Ltd. Aut
1580 212 200 ANOSCEUR
7046 512 197 UUNET Technologies, Inc.
4134 299 197 Data Communications Bureau
690 523 194 Merit Network
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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
192.44.0.0/19 702 UUNET - Commercial IP service
192.58.92.0/24 19548 Adelphia Business Solutions
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 Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.91.198.0/24 2568 CTS Network Services
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
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
192.136.136.0/24 7046 UUNET Technologies, Inc.
192.136.136.0/22 568 DISO-UNRRA
192.139.62.0/24 6539 GT Group Telecom Services Cor
192.140.0.0/16 5511 France Telecom
192.153.136.0/21 568 DISO-UNRRA
192.156.0.0/19 568 DISO-UNRRA
192.156.164.0/24 19548 Adelphia Business Solutions
192.172.0.0/19 568 DISO-UNRRA
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 /8:18 /9:6 /10:7 /11:12 /12:37
/13:85 /14:233 /15:420 /16:7273 /17:1467 /18:2679
/19:7777 /20:7541 /21:5215 /22:7925 /23:9563 /24:62291
/25:152 /26:139 /27:56 /28:54 /29:31 /30:1
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 600 1014 Supernet, Inc.
702 546 896 UUNET - Commercial IP service
701 490 1785 UUNET Technologies, Inc.
690 469 523 Merit Network
7843 445 644 Adelphia Corp.
7018 379 1310 AT&T
6197 266 381 BellSouth Network Solutions,
6198 244 317 BellSouth Network Solutions,
18566 241 245 Covad Communications
3301 234 396 TeliaNet Sweden
3215 223 291 France Telecom Transpac
1239 222 821 Sprint
7066 204 301 Virginia Polytechnic Institut
1580 199 212 ANOSCEUR
4355 194 337 EarthLink, Inc.
7046 191 512 UUNET Technologies, Inc.
209 189 507 Qwest
4323 185 544 Time Warner Communications, I
5400 185 211 BT Ignite European Backbone
11492 185 189 Cable One
Number of /24s announced per /8 block (Global)
----------------------------------------------
3:1 4:3 12:539 13:10 15:2 17:6
20:4 24:719 25:1 32:41 38:9 40:6
44:1 57:14 61:327 62:236 63:1861 64:1231
65:1439 66:993 67:97 68:85 80:262 81:46
128:68 129:123 130:21 131:54 132:11 133:2
134:107 135:9 136:426 137:96 138:150 139:63
140:150 141:46 142:61 143:48 144:142 145:18
146:236 147:143 148:238 149:79 150:40 151:57
152:268 153:36 154:11 155:115 156:71 157:108
158:67 159:134 160:20 161:73 162:123 163:79
164:80 165:128 166:107 167:263 168:284 169:60
170:195 171:3 192:5383 193:2345 194:2066 195:805
196:415 198:3570 199:3133 200:2593 202:3334 203:4714
204:3228 205:2143 206:2447 207:2469 208:2599 209:2694
210:602 211:244 212:863 213:713 214:8 215:19
216:2827 217:497 218:33 219:1
End of report
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