[rtma] Weekly Routing Table Report
Routing Table Analysis
cscora at thyme.apnic.net
Fri Nov 1 05:05:14 EST 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 01 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 116941
Prefixes after maximum aggregation: 74969
Unique aggregates announced to Internet: 55913
Total ASes present in the Internet Routing Table: 14003
Origin-only ASes present in the Internet Routing Table: 12144
Origin ASes announcing only one prefix: 5459
Transit ASes present in the Internet Routing Table: 1859
Transit-only ASes present in the Internet Routing Table: 61
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: 7
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: 1182432648
Equivalent to 70 /8s, 122 /16s and 125 /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: 48987
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19110
Total APNIC prefixes after maximum aggregation: 11485
Prefixes being announced from the APNIC address blocks: 17593
Unique aggregates announced from the APNIC address blocks: 11202
APNIC Region origin ASes present in the Internet Routing Table: 1628
APNIC Region origin ASes announcing only one prefix: 516
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: 99956160
Equivalent to 5 /8s, 245 /16s and 53 /24s
Percentage of available APNIC address space announced: 65.7
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: 73227
Total ARIN prefixes after maximum aggregation: 46440
Prefixes being announced from the ARIN address blocks: 51538
Unique aggregates announced from the ARIN address blocks: 15445
ARIN Region origin ASes present in the Internet Routing Table: 7868
ARIN Region origin ASes announcing only one prefix: 2616
ARIN Region transit ASes present in the Internet Routing Table: 741
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 182350304
Equivalent to 10 /8s, 222 /16s and 113 /24s
Percentage of available ARIN address space announced: 67.9
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 - 26591, 26624 - 27647
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 19747
Total RIPE prefixes after maximum aggregation: 14961
Prefixes being announced from the RIPE address blocks: 16441
Unique aggregates announced from the RIPE address blocks: 11016
RIPE Region origin ASes present in the Internet Routing Table: 4130
RIPE Region origin ASes announcing only one prefix: 2245
RIPE Region transit ASes present in the Internet Routing Table: 760
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 118798048
Equivalent to 7 /8s, 20 /16s and 182 /24s
Percentage of available RIPE address space announced: 78.7
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
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 4851
Total LACNIC prefixes after maximum aggregation: 2083
Prefixes being announced from the LACNIC address blocks: 4215
Unique aggregates announced from the LACNIC address blocks: 2658
LACNIC Region origin ASes present in the Internet Routing Table: 319
LACNIC Region origin ASes announcing only one prefix: 82
LACNIC Region transit ASes present in the Internet Routing Table: 69
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11637760
Equivalent to 0 /8s, 177 /16s and 148 /24s
Percentage of available LACNIC address space announced: 69.4
LACNIC AS Blocks 26592 - 26623
LACNIC Address Blocks 200/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1189 1169 866 Telstra Pty Ltd
703 396 367 314 UUNET
2907 350 1751 330 SINET Japan
2764 335 356 307 connect.com.au pty ltd
17557 320 23 120 Pakistan Telecom
4134 296 2287 98 Data Communications Bureau
7474 295 275 201 Optus Communications Pty Ltd
4755 279 138 74 Videsh Sanchar Nigam Ltd. Aut
4766 250 1808 158 Korea Internet Exchange for "
4814 233 79 15 China Telecom (Group)
17676 226 3538 32 XTAGE CORPORATION
9443 185 57 73 Primus Telecommunications
9583 164 32 6 Satyam Infoway Ltd.,
4515 139 102 77 Star Internet Services Ltd.
9768 135 385 74 Korea Telecom
4716 130 738 124 TTnet
7657 129 24 90 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4739 117 56 108 Commerical Internet eXchange
4713 112 1044 101 NTT Communications Corporatio
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1778 9156 1263 UUNET Technologies, Inc.
7018 1342 7185 938 AT&T
3908 1089 1669 513 Supernet, Inc.
1239 890 3170 662 Sprint
7843 783 374 311 Adelphia Corp.
852 688 1163 466 Telus Advanced Communications
1 665 8106 439 GENUITY
209 636 2049 335 Qwest
7046 587 876 292 UUNET Technologies, Inc.
690 517 75 324 Merit Network
4323 516 439 164 Time Warner Communications, I
2828 498 610 120 XO Communications
705 443 134 203 UUNET Technologies, Inc.
6197 439 233 200 BellSouth Network Solutions,
3549 413 728 297 Global Crossing
2548 403 1115 244 Business Internet, Inc.
6198 400 182 197 BellSouth Network Solutions,
4355 388 306 109 EarthLink, Inc.
19029 388 127 30 New Edge Networks
2914 366 2022 359 Verio, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 838 2367 692 UUNET - Commercial IP service
3301 377 1163 334 TeliaNet Sweden
3215 308 789 172 France Telecom Transpac
3320 245 1964 222 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5515 210 783 175 Sonera Solution Autonomous Sy
1257 209 415 204 SWIPnet Swedish IP Network
5400 196 84 110 BT Ignite European Backbone
719 191 306 130 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 170 1302 132 BTnet UK Regional network
8708 159 41 146 Romania Data Systems S.A.
3303 143 517 142 Swisscom Ltd
12302 123 18 30 MobiFon S.A.
3246 120 373 116 Song Networks
8220 114 169 106 COLT Internet - International
3269 107 721 63 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
2874 99 85 39 Global One Services AB
5511 98 192 82 France Telecom
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 254 114 58 ImpSat USA, Inc.
8151 212 346 111 UniNet S.A. de C.V.
7303 183 28 52 Telecom Argentina Stet-France
11172 168 88 34 Servicios Alestra S.A de C.V
6503 150 159 107 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 99 6 30 TVCABLE BOGOTA
11992 80 8 32 Integrated Systems
11340 78 2 29 Red Universitaria Nacional
15311 75 26 32 Telefonica Empresas
1916 73 409 40 Fundacao de Amparo a Pesquisa
4270 68 18 10 Red de Interconexion Universi
7984 64 27 41 Global One Colombia
4926 63 4 51 Telintar S.A.
2277 62 16 3 ECUANET - CORPORACION ECUATOR
8065 61 6 16 Empresas Publicas de Medellin
15034 60 5 34 TIBA SA
11664 55 5 11 Keytech SA
6535 54 4 15 Chilesat Servicios Empresari
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1089 576 Supernet, Inc.
7843 783 472 Adelphia Corp.
7018 1342 404 AT&T
2828 498 378 XO Communications
19029 388 358 New Edge Networks
4323 516 352 Time Warner Communications, I
18566 337 333 Covad Communications
1221 1189 323 Telstra Pty Ltd
4151 330 314 USDA
1580 319 306 ANOSCEUR
209 636 301 Qwest
7046 587 295 UUNET Technologies, Inc.
4355 388 279 EarthLink, Inc.
6347 355 279 SAVVIS Communications Corpora
376 344 242 Reseau Interordinateurs Scien
705 443 240 UUNET Technologies, Inc.
6197 439 239 BellSouth Network Solutions,
1239 890 228 Sprint
1 665 226 GENUITY
852 688 222 Telus Advanced Communications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65025 PRIVATE 81.26.65.0/24 11042 Orion Network System
65010 PRIVATE 168.167.21.0/24 11042 Orion Network System
65501 PRIVATE 200.73.24.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.26.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.27.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.28.0/24 18747 IFX Communication Ve
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
164.236.0.0/16 568 DISO-UNRRA
192.31.242.0/24 771 NASA Ames Research Center
192.44.0.0/19 702 UUNET - Commercial IP service
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 2044 AUSNet, Inc.
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 /10:8 /11:12 /12:46
/13:90 /14:240 /15:428 /16:7314 /17:1510 /18:2749
/19:7892 /20:7503 /21:5370 /22:8232 /23:9995 /24:64809
/25:172 /26:190 /27:109 /28:80 /29:51 /30:91
/31:0 /32:28
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 641 1089 Supernet, Inc.
7843 593 783 Adelphia Corp.
702 509 838 UUNET - Commercial IP service
701 495 1778 UUNET Technologies, Inc.
690 465 517 Merit Network
7018 426 1342 AT&T
2828 382 498 XO Communications
19029 354 388 New Edge Networks
6197 332 439 BellSouth Network Solutions,
18566 332 337 Covad Communications
209 316 636 Qwest
6198 316 400 BellSouth Network Solutions,
1580 305 319 ANOSCEUR
1239 274 890 Sprint
7046 273 587 UUNET Technologies, Inc.
3215 233 308 France Telecom Transpac
11492 225 230 Cable One
3301 223 377 TeliaNet Sweden
4355 219 388 EarthLink, Inc.
7066 205 306 Virginia Polytechnic Institut
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 12:578 13:10 15:4 17:2 20:5
24:901 25:1 32:43 38:26 40:11 44:1
55:1 57:15 61:368 62:253 63:1915 64:1382
65:1638 66:1213 67:123 68:200 69:16 80:289
81:62 128:128 129:107 130:21 131:63 132:9
133:2 134:135 135:7 136:410 137:108 138:217
139:78 140:157 141:86 142:81 143:46 144:147
145:16 146:251 147:226 148:252 149:77 150:41
151:88 152:295 153:36 154:8 155:106 156:103
157:106 158:78 159:150 160:20 161:74 162:130
163:84 164:93 165:133 166:94 167:306 168:305
169:59 170:228 171:6 192:5427 193:2383 194:2005
195:836 196:438 198:3617 199:3085 200:2565 202:3534
203:4859 204:3244 205:2125 206:2359 207:2469 208:2564
209:2738 210:616 211:279 212:864 213:771 214:10
215:19 216:3216 217:506 218:48 219:3
End of report
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