[rtma] Weekly Routing Table Report
Routing Table Analysis
cscora at thyme.apnic.net
Fri Apr 30 14:06:59 EDT 2004
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
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 01 May, 2004
Analysis Summary
----------------
BGP routing table entries examined: 137320
Prefixes after maximum aggregation: 83325
Unique aggregates announced to Internet: 66471
Total ASes present in the Internet Routing Table: 17153
Origin-only ASes present in the Internet Routing Table: 14875
Origin ASes announcing only one prefix: 6889
Transit ASes present in the Internet Routing Table: 2278
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 4
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 17
Number of addresses announced to Internet: 1283888516
Equivalent to 76 /8s, 134 /16s and 149 /24s
Percentage of available address space announced: 34.6
Percentage of allocated address space announced: 56.8
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 100233
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26175
Total APNIC prefixes after maximum aggregation: 13626
Prefixes being announced from the APNIC address blocks: 24493
Unique aggregates announced from the APNIC address blocks: 13629
APNIC Region origin ASes present in the Internet Routing Table: 2042
APNIC Region origin ASes announcing only one prefix: 607
APNIC Region transit ASes present in the Internet Routing Table: 327
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 145823488
Equivalent to 8 /8s, 177 /16s and 23 /24s
Percentage of available APNIC address space announced: 66.5
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 78970
Total ARIN prefixes after maximum aggregation: 48822
Prefixes being announced from the ARIN address blocks: 61006
Unique aggregates announced from the ARIN address blocks: 21496
ARIN Region origin ASes present in the Internet Routing Table: 9156
ARIN Region origin ASes announcing only one prefix: 3258
ARIN Region transit ASes present in the Internet Routing Table: 895
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 222159392
Equivalent to 13 /8s, 61 /16s and 226 /24s
Percentage of available ARIN address space announced: 73.6
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, 29695 - 30719
31744 - 32767
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 25223
Total RIPE prefixes after maximum aggregation: 17991
Prefixes being announced from the RIPE address blocks: 22031
Unique aggregates announced from the RIPE address blocks: 14482
RIPE Region origin ASes present in the Internet Routing Table: 5413
RIPE Region origin ASes announcing only one prefix: 2896
RIPE Region transit ASes present in the Internet Routing Table: 938
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 160366080
Equivalent to 9 /8s, 142 /16s and 254 /24s
Percentage of available RIPE address space announced: 56.2
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, 28672 - 29695
30720 - 31743
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5805
Total LACNIC prefixes after maximum aggregation: 2212
Prefixes being announced from the LACNIC address blocks: 5477
Unique aggregates announced from the LACNIC address blocks: 3406
LACNIC Region origin ASes present in the Internet Routing Table: 375
LACNIC Region origin ASes announcing only one prefix: 105
LACNIC Region transit ASes present in the Internet Routing Table: 73
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14659840
Equivalent to 0 /8s, 223 /16s and 177 /24s
Percentage of available LACNIC address space announced: 43.7
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1146
Total AfriNIC prefixes after maximum aggregation: 674
Prefixes being announced from the AfriNIC address blocks: 745
Unique aggregates announced from the AfriNIC address blocks: 564
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 1837312
Equivalent to 0 /8s, 28 /16s and 9 /24s
Percentage of available AfriNIC address space announced: 11.0
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 857 1091 624 Telstra Pty Ltd
4134 768 3480 138 Data Communications Bureau
4766 480 2917 258 Korea Internet Exchange for "
9583 462 40 80 Satyam Infoway Ltd.,
9443 354 69 78 Primus Telecommunications
2907 353 1840 329 SINET Japan
4755 351 125 49 Videsh Sanchar Nigam Ltd. Aut
9929 344 155 31 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
703 334 373 257 UUNET
17557 325 23 164 Pakistan Telecom
2764 293 274 241 connect.com.au pty ltd
7474 272 284 213 Optus Communications Pty Ltd
9942 222 70 125 COMindico Australia
9800 219 364 59 CHINA UNICOM
4780 212 193 26 Digital United Inc.
9498 211 31 44 BHARTI BT INTERNET LTD.
4837 182 1683 105 chinanet IDC center beijing n
9304 170 161 25 Hutchison Telecom (HK)
7633 159 23 43 Software Technology Parks of
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1445 6956 1003 AT&T
701 1321 8523 947 UUNET Technologies, Inc.
1239 934 3032 631 Sprint
3356 894 10967 686 Level 3 Communications, LLC
209 743 3474 504 Qwest
4323 716 561 199 Time Warner Communications, I
18566 700 192 8 Covad Communications
6197 699 513 258 BellSouth Network Solutions,
6198 564 368 206 BellSouth Network Solutions,
852 514 1143 405 Telus Advanced Communications
20115 509 336 274 Charter Communications
7066 504 208 273 Virginia Polytechnic Institut
7843 501 639 113 Adelphia Corp.
7132 450 7847 332 Southwestern Bell Internet Se
2386 423 578 229 AT&T Data Communications Serv
705 399 145 274 UUNET Technologies, Inc.
6347 393 387 96 SAVVIS Communications Corpora
4355 391 323 101 EarthLink, Inc.
27364 387 30 24 Armstrong Cable Services
22909 385 840 24 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 660 2038 551 UUNET - Commercial IP service
3320 297 2477 237 Deutsche Telekom AG
8220 268 412 255 COLT Internet - International
3301 267 968 257 TeliaNet Sweden
680 244 2025 239 DFN-IP service G-WiN
1257 243 511 196 SWIPnet Swedish IP Network
13083 216 51 8 Mannesmann Datenverarbeitung
5515 201 779 143 Sonera Solution Autonomous Sy
3246 199 450 196 Song Networks
719 197 288 103 LANLINK autonomous system
25186 176 188 117 France Telecom Transpac's Tra
786 175 1826 175 The JANET IP Service
3215 175 839 69 France Telecom Transpac
8708 175 111 164 Romania Data Systems S.A.
5400 155 238 136 BT Ignite European Backbone
6746 138 28 114 Dynamic Network Technologies,
3269 134 1101 65 TELECOM ITALIA
3303 133 607 133 Swisscom Ltd
12302 122 18 29 MobiFon S.A.
1273 112 166 89 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 379 122 74 ImpSat
8151 261 357 129 UniNet S.A. de C.V.
11172 211 76 46 Servicios Alestra S.A de C.V
16814 164 11 6 NSS, S.A.
6147 152 78 20 Telefonica Del Peru
7303 141 53 28 Telecom Argentina Stet-France
6505 132 90 91 Global One Communicaoes Ltda
6503 130 219 89 AVANTEL, S.A.
11992 89 9 28 Integrated Systems
11556 88 73 25 Cable-Wireless Panama
6535 79 5 19 Chilesat Servicios Empresari
14420 77 5 33 ANDINATEL S.A.
15311 74 18 37 Telefonica Empresas
4270 70 18 9 Red de Interconexion Universi
11311 70 7 15 Sinectis S.A.
14535 70 6 5 Techtel S.A.
14259 69 4 5 GTD Internet S.A.
7080 64 4 1 Electronica y Comunicaciones
10292 62 6 24 TELECOMMUNICATIONS OF JAMAICA
27699 62 168 15 TELECOMUNICACOES DE SAO PAULO
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 254 632 219 The Internet Solution
5536 106 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 89 272 79 The Internetworking Company o
11845 36 9 11 Data Pro Business Online
9129 31 3 4 UUNET Kenya
24835 31 18 6 RAYA Telecom - Egypt
5713 26 125 24 Telkom SA Ltd
12455 25 4 2 Jambonet Autonomous system
14988 25 16 1 Botswana Telecommunications C
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
8524 22 2 4 AUCEGYPT Autonomous System
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
8346 13 6 12 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
3208 12 2 1 ARN Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 700 692 Covad Communications
4134 768 630 Data Communications Bureau
4323 716 517 Time Warner Communications, I
6197 699 441 BellSouth Network Solutions,
7843 501 388 Adelphia Corp.
9583 462 382 Satyam Infoway Ltd.,
701 1321 374 UUNET Technologies, Inc.
27364 387 363 Armstrong Cable Services
22909 385 361 Comcast Cable Corporation
5668 376 360 Century Telephone
6198 564 358 BellSouth Network Solutions,
22773 363 326 Cox Communications, Inc. Atla
9929 344 313 China Netcom Corp.
17676 341 308 XTAGE CORPORATION
6140 379 305 ImpSat
1239 934 303 Sprint
4755 351 302 Videsh Sanchar Nigam Ltd. Aut
6347 393 297 SAVVIS Communications Corpora
4355 391 290 EarthLink, Inc.
9443 354 276 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 568 DISO-UNRRA
164.234.0.0/18 721 DLA Systems Automation Center
164.234.0.0/16 721 DLA Systems Automation Center
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
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
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 DISO-UNRRA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:3 /10:6 /11:15 /12:58
/13:112 /14:295 /15:508 /16:7745 /17:2000 /18:3552
/19:9341 /20:9766 /21:7054 /22:10046 /23:11430 /24:74677
/25:206 /26:250 /27:141 /28:30 /29:4 /30:51
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7018 1082 1445 AT&T
701 997 1321 UUNET Technologies, Inc.
1221 763 857 Telstra Pty Ltd
18566 683 700 Covad Communications
1239 667 934 Sprint
3356 649 894 Level 3 Communications, LLC
6197 588 699 BellSouth Network Solutions,
4323 502 716 Time Warner Communications, I
209 491 743 Qwest
7066 475 504 Virginia Polytechnic Institut
6198 456 564 BellSouth Network Solutions,
9583 448 462 Satyam Infoway Ltd.,
702 437 660 UUNET - Commercial IP service
4766 392 480 Korea Internet Exchange for "
27364 379 387 Armstrong Cable Services
5668 357 376 Century Telephone
6140 354 379 ImpSat
705 353 399 UUNET Technologies, Inc.
852 352 514 Telus Advanced Communications
2386 345 423 AT&T Data Communications Serv
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:810 13:1 15:4 16:1 17:3
20:8 24:749 32:96 38:65 40:54 44:3
55:1 56:4 57:13 61:406 62:473 63:1857
64:1854 65:1955 66:2504 67:297 68:523 69:514
70:64 80:493 81:277 82:158 83:38 128:147
129:204 130:77 131:89 132:19 133:1 134:185
135:17 136:188 137:104 138:152 139:38 140:152
141:134 142:112 143:50 144:89 145:41 146:292
147:77 148:369 149:106 150:93 151:64 152:183
153:62 154:1 155:123 156:58 157:54 158:146
159:147 160:51 161:53 162:380 163:79 164:330
165:161 166:98 167:210 168:217 169:105 170:287
171:8 192:5528 193:2686 194:2027 195:1368 196:529
198:3642 199:3025 200:3282 201:8 202:4552 203:5506
204:2992 205:1975 206:2280 207:2485 208:2283 209:2849
210:1376 211:515 212:950 213:1157 214:36 215:28
216:3383 217:900 218:169 219:100 220:209 221:28
222:28
End of report
More information about the Rtma
mailing list