[rtma] Weekly Routing Table Report
Routing Table Analysis
cscora at thyme.apnic.net
Fri Mar 5 13:08:35 EST 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 06 Mar, 2004
Analysis Summary
----------------
BGP routing table entries examined: 134315
Prefixes after maximum aggregation: 82099
Unique aggregates announced to Internet: 64969
Total ASes present in the Internet Routing Table: 16774
Origin-only ASes present in the Internet Routing Table: 14559
Origin ASes announcing only one prefix: 6734
Transit ASes present in the Internet Routing Table: 2215
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 31
Illegal AS announcements present in the Routing Table: 15
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 16
Number of addresses announced to Internet: 1291164580
Equivalent to 76 /8s, 245 /16s and 155 /24s
Percentage of available address space announced: 34.8
Percentage of allocated address space announced: 59.8
Percentage of available address space allocated: 58.2
Total number of prefixes smaller than registry allocations: 59599
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 25112
Total APNIC prefixes after maximum aggregation: 13359
Prefixes being announced from the APNIC address blocks: 23498
Unique aggregates announced from the APNIC address blocks: 13493
APNIC Region origin ASes present in the Internet Routing Table: 2018
APNIC Region origin ASes announcing only one prefix: 597
APNIC Region transit ASes present in the Internet Routing Table: 322
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 137409280
Equivalent to 8 /8s, 48 /16s and 179 /24s
Percentage of available APNIC address space announced: 74.0
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 78097
Total ARIN prefixes after maximum aggregation: 48283
Prefixes being announced from the ARIN address blocks: 60453
Unique aggregates announced from the ARIN address blocks: 20980
ARIN Region origin ASes present in the Internet Routing Table: 8988
ARIN Region origin ASes announcing only one prefix: 3191
ARIN Region transit ASes present in the Internet Routing Table: 879
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 219143968
Equivalent to 13 /8s, 15 /16s and 223 /24s
Percentage of available ARIN address space announced: 72.6
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: 24235
Total RIPE prefixes after maximum aggregation: 17572
Prefixes being announced from the RIPE address blocks: 21097
Unique aggregates announced from the RIPE address blocks: 14025
RIPE Region origin ASes present in the Internet Routing Table: 5247
RIPE Region origin ASes announcing only one prefix: 2823
RIPE Region transit ASes present in the Internet Routing Table: 898
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 152754816
Equivalent to 9 /8s, 26 /16s and 218 /24s
Percentage of available RIPE address space announced: 70.0
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, 80/6, 84/8, 188/8, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5669
Total LACNIC prefixes after maximum aggregation: 2206
Prefixes being announced from the LACNIC address blocks: 5320
Unique aggregates announced from the LACNIC address blocks: 3293
LACNIC Region origin ASes present in the Internet Routing Table: 367
LACNIC Region origin ASes announcing only one prefix: 100
LACNIC Region transit ASes present in the Internet Routing Table: 74
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14337792
Equivalent to 0 /8s, 218 /16s and 199 /24s
Percentage of available LACNIC address space announced: 42.7
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1188
Total AfriNIC prefixes after maximum aggregation: 679
Prefixes being announced from the AfriNIC address blocks: 743
Unique aggregates announced from the AfriNIC address blocks: 557
AfriNIC Region origin ASes present in the Internet Routing Table: 90
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: 4.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1766144
Equivalent to 0 /8s, 26 /16s and 243 /24s
Percentage of available AfriNIC address space announced: 10.5
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 883 1086 639 Telstra Pty Ltd
4134 664 2490 117 Data Communications Bureau
4766 444 2914 243 Korea Internet Exchange for "
9583 389 38 97 Satyam Infoway Ltd.,
4755 366 132 59 Videsh Sanchar Nigam Ltd. Aut
2907 360 1846 337 SINET Japan
9443 347 70 81 Primus Telecommunications
703 336 374 259 UUNET
17557 330 24 163 Pakistan Telecom
17676 297 4380 38 XTAGE CORPORATION
2764 295 274 240 connect.com.au pty ltd
7474 270 304 210 Optus Communications Pty Ltd
9942 231 70 132 COMindico Australia
9929 228 155 30 China Netcom Corp.
9800 214 347 55 CHINA UNICOM
9498 191 30 36 BHARTI BT INTERNET LTD.
4837 169 1571 102 chinanet IDC center beijing n
9304 166 159 24 Hutchison Telecom (HK)
4739 151 60 138 Commerical Internet eXchange
7633 151 23 42 Software Technology Parks of
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1410 7203 986 AT&T
701 1344 8592 962 UUNET Technologies, Inc.
1239 932 3065 648 Sprint
3356 846 10955 678 Level 3 Communications, LLC
209 719 3532 507 Qwest
4323 694 559 204 Time Warner Communications, I
18566 691 192 8 Covad Communications
6197 676 442 272 BellSouth Network Solutions,
20115 611 345 333 Charter Communications
6198 546 354 196 BellSouth Network Solutions,
852 512 1122 399 Telus Advanced Communications
7066 499 207 271 Virginia Polytechnic Institut
7843 491 582 120 Adelphia Corp.
7132 466 7818 321 Southwestern Bell Internet Se
2386 432 579 231 AT&T Data Communications Serv
690 397 58 267 Merit Network
4355 397 323 103 EarthLink, Inc.
27364 388 28 23 Armstrong Cable Services
376 381 359 114 Reseau Interordinateurs Scien
19029 378 168 248 New Edge Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 677 2040 566 UUNET - Commercial IP service
3301 337 1178 316 TeliaNet Sweden
3320 287 1965 235 Deutsche Telekom AG
8220 261 410 249 COLT Internet - International
680 242 2027 238 DFN-IP service G-WiN
1257 234 510 191 SWIPnet Swedish IP Network
719 233 288 105 LANLINK autonomous system
13083 216 51 8 Mannesmann Datenverarbeitung
3246 190 447 188 Song Networks
786 175 1826 175 The JANET IP Service
8708 172 111 162 Romania Data Systems S.A.
5515 168 762 135 Sonera Solution Autonomous Sy
25186 165 185 108 France Telecom Transpac's Tra
3215 164 800 78 France Telecom Transpac
5400 151 223 134 BT Ignite European Backbone
3303 137 620 137 Swisscom Ltd
6746 128 19 112 Dynamic Network Technologies,
3269 125 1037 65 TELECOM ITALIA
12302 121 17 28 MobiFon S.A.
2856 117 1294 107 BTnet UK Regional network
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 373 122 64 ImpSat
8151 260 384 127 UniNet S.A. de C.V.
11172 207 75 43 Servicios Alestra S.A de C.V
16814 156 11 6 NSS, S.A.
6503 141 220 97 AVANTEL, S.A.
7303 136 51 31 Telecom Argentina Stet-France
6505 132 90 92 Global One Communicaoes Ltda
6147 124 78 20 Telefonica Del Peru
11992 101 25 29 Integrated Systems
11556 88 73 25 Cable-Wireless Panama
8167 80 220 12 TELESC - Telecomunicacoes de
6535 78 5 20 Chilesat Servicios Empresari
15311 78 18 38 Telefonica Empresas
4270 71 18 9 Red de Interconexion Universi
11311 70 7 17 Sinectis S.A.
5639 64 7 13 Telecommunications Services o
7080 64 4 1 Electronica y Comunicaciones
14420 63 4 25 ANDINATEL S.A.
27699 62 168 15 TELECOMUNICACOES DE SAO PAULO
10292 61 6 28 TELECOMMUNICATIONS OF JAMAICA
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 251 632 218 The Internet Solution
5536 104 8 7 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 90 272 80 The Internetworking Company o
2561 58 6 3 Egyptian Universities Network
11845 38 9 11 Data Pro Business Online
3208 33 2 1 ARN Network
9129 32 3 4 UUNET Kenya
16637 25 9 18 Johnnic e-Ventures
5713 24 93 22 Telkom SA Ltd
12455 24 4 2 Jambonet Autonomous system
24835 23 18 6 RAYA Telecom - Egypt
6713 22 38 9 Itissalat Al-MAGHRIB
8524 19 2 4 AUCEGYPT Autonomous System
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
15808 16 1 7 Communication Solutions Ltd i
12258 15 3 10 Vodacom Internet Company
8346 14 6 13 SONATEL-AS Autonomous System
17148 14 1 8 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 691 683 Covad Communications
4134 664 547 Data Communications Bureau
4323 694 490 Time Warner Communications, I
6197 676 404 BellSouth Network Solutions,
701 1344 382 UUNET Technologies, Inc.
7843 491 371 Adelphia Corp.
27364 388 365 Armstrong Cable Services
6198 546 350 BellSouth Network Solutions,
5668 349 334 Century Telephone
22909 354 328 Comcast Cable Corporation
22773 348 313 Cox Communications, Inc. Atla
6140 373 309 ImpSat
4755 366 307 Videsh Sanchar Nigam Ltd. Aut
4355 397 294 EarthLink, Inc.
9583 389 292 Satyam Infoway Ltd.,
6347 367 286 SAVVIS Communications Corpora
1239 932 284 Sprint
20115 611 278 Charter Communications
376 381 267 Reseau Interordinateurs Scien
9443 347 266 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65400 PRIVATE 192.55.193.0/24 1290 PSINet UK Ltd.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
65412 PRIVATE 211.161.0.0/21 4847 China Networks Inter
65412 PRIVATE 211.161.8.0/21 4847 China Networks Inter
65412 PRIVATE 211.161.32.0/23 4847 China Networks Inter
65412 PRIVATE 211.161.34.0/23 4847 China Networks Inter
65412 PRIVATE 211.161.36.0/23 4847 China Networks Inter
65412 PRIVATE 211.161.38.0/23 4847 China Networks Inter
65412 PRIVATE 211.161.40.0/23 4847 China Networks Inter
65412 PRIVATE 211.161.42.0/23 4847 China Networks Inter
65412 PRIVATE 211.161.44.0/23 4847 China Networks Inter
65412 PRIVATE 211.161.46.0/23 4847 China Networks Inter
65412 PRIVATE 211.161.80.0/21 4847 China Networks Inter
65412 PRIVATE 211.161.88.0/21 4847 China Networks Inter
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
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 /8:19 /9:4 /10:6 /11:15 /12:59
/13:106 /14:291 /15:508 /16:7593 /17:1910 /18:3492
/19:9007 /20:9430 /21:6859 /22:9678 /23:11212 /24:73417
/25:199 /26:285 /27:159 /28:28 /29:8 /30:15
/31:0 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 674 691 Covad Communications
6197 516 676 BellSouth Network Solutions,
7018 501 1410 AT&T
3356 461 846 Level 3 Communications, LLC
702 413 677 UUNET - Commercial IP service
6198 394 546 BellSouth Network Solutions,
7066 394 499 Virginia Polytechnic Institut
27364 381 388 Armstrong Cable Services
701 374 1344 UUNET Technologies, Inc.
20115 374 611 Charter Communications
690 360 397 Merit Network
1239 330 932 Sprint
5668 308 349 Century Telephone
4766 267 444 Korea Internet Exchange for "
19029 246 378 New Edge Networks
25844 244 244 Skadden, Arps, Slate, Meagher
3320 235 287 Deutsche Telekom AG
9583 235 389 Satyam Infoway Ltd.,
6517 228 250 Yipes Communications, Inc.
13609 220 260 Choice One Communications Inc
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:794 13:1 15:4 16:1 17:3
20:6 24:837 32:84 38:51 40:26 44:3
55:1 56:1 57:13 61:382 62:488 63:1824
64:1879 65:1919 66:2373 67:281 68:562 69:431
80:468 81:223 82:91 83:8 128:137 129:253
130:71 131:79 132:16 134:174 135:16 136:185
137:108 138:152 139:42 140:148 141:135 142:105
143:48 144:80 145:37 146:283 147:74 148:365
149:85 150:101 151:62 152:214 153:60 154:1
155:127 156:62 157:50 158:148 159:139 160:50
161:53 162:374 163:75 164:323 165:160 166:99
167:211 168:199 169:107 170:302 171:8 192:5529
193:2603 194:2000 195:1340 196:521 198:3649 199:2963
200:3142 201:21 202:4464 203:5488 204:2988 205:1992
206:2280 207:2609 208:2375 209:2884 210:1150 211:461
212:902 213:1063 214:26 215:26 216:3348 217:847
218:154 219:101 220:189 221:21 222:6
End of report
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