[rtma] Weekly Routing Table Report
Routing Table Analysis
cscora at thyme.apnic.net
Fri May 28 14:06:16 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 29 May, 2004
Analysis Summary
----------------
BGP routing table entries examined: 140122
Prefixes after maximum aggregation: 85218
Unique aggregates announced to Internet: 67540
Total ASes present in the Internet Routing Table: 17342
Origin-only ASes present in the Internet Routing Table: 15026
Origin ASes announcing only one prefix: 6972
Transit ASes present in the Internet Routing Table: 2316
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 13
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1291183612
Equivalent to 76 /8s, 245 /16s and 229 /24s
Percentage of available address space announced: 34.8
Percentage of allocated address space announced: 57.2
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 62511
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26874
Total APNIC prefixes after maximum aggregation: 13846
Prefixes being announced from the APNIC address blocks: 25184
Unique aggregates announced from the APNIC address blocks: 13900
APNIC Region origin ASes present in the Internet Routing Table: 2058
APNIC Region origin ASes announcing only one prefix: 610
APNIC Region transit ASes present in the Internet Routing Table: 334
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 148464896
Equivalent to 8 /8s, 217 /16s and 101 /24s
Percentage of available APNIC address space announced: 67.7
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: 80512
Total ARIN prefixes after maximum aggregation: 50242
Prefixes being announced from the ARIN address blocks: 62138
Unique aggregates announced from the ARIN address blocks: 21700
ARIN Region origin ASes present in the Internet Routing Table: 9246
ARIN Region origin ASes announcing only one prefix: 3277
ARIN Region transit ASes present in the Internet Routing Table: 920
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 224518176
Equivalent to 13 /8s, 97 /16s and 224 /24s
Percentage of available ARIN address space announced: 74.3
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: 25534
Total RIPE prefixes after maximum aggregation: 18222
Prefixes being announced from the RIPE address blocks: 22337
Unique aggregates announced from the RIPE address blocks: 14891
RIPE Region origin ASes present in the Internet Routing Table: 5496
RIPE Region origin ASes announcing only one prefix: 2956
RIPE Region transit ASes present in the Internet Routing Table: 943
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 162926080
Equivalent to 9 /8s, 182 /16s and 14 /24s
Percentage of available RIPE address space announced: 57.1
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: 6047
Total LACNIC prefixes after maximum aggregation: 2236
Prefixes being announced from the LACNIC address blocks: 5712
Unique aggregates announced from the LACNIC address blocks: 3518
LACNIC Region origin ASes present in the Internet Routing Table: 379
LACNIC Region origin ASes announcing only one prefix: 108
LACNIC Region transit ASes present in the Internet Routing Table: 73
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14961152
Equivalent to 0 /8s, 228 /16s and 74 /24s
Percentage of available LACNIC address space announced: 44.6
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1148
Total AfriNIC prefixes after maximum aggregation: 672
Prefixes being announced from the AfriNIC address blocks: 780
Unique aggregates announced from the AfriNIC address blocks: 587
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1865216
Equivalent to 0 /8s, 28 /16s and 118 /24s
Percentage of available AfriNIC address space announced: 11.1
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 849 1091 612 Telstra Pty Ltd
4134 735 3532 143 Data Communications Bureau
4766 489 2896 264 Korea Internet Exchange for "
9583 403 31 131 Satyam Infoway Ltd.,
4663 402 54 17 ELIMNET, INC
4755 365 126 56 Videsh Sanchar Nigam Ltd. Aut
9443 355 69 79 Primus Telecommunications
2907 352 1841 329 SINET Japan
9929 347 156 33 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
17557 330 23 165 Pakistan Telecom
703 329 375 256 UUNET
2764 296 275 242 connect.com.au pty ltd
7474 263 268 207 Optus Communications Pty Ltd
9942 230 71 127 COMindico Australia
9800 225 367 62 CHINA UNICOM
9498 218 48 47 BHARTI BT INTERNET LTD.
4780 210 193 26 Digital United Inc.
4837 181 2003 108 chinanet IDC center beijing n
10036 180 16 168 C&M Communication Co. Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1444 6891 1005 AT&T
701 1310 8529 938 UUNET Technologies, Inc.
1239 933 3013 634 Sprint
3356 894 10900 678 Level 3 Communications, LLC
209 739 3458 502 Qwest
4323 730 578 201 Time Warner Communications, I
6197 709 525 274 BellSouth Network Solutions,
18566 706 192 8 Covad Communications
6198 561 375 214 BellSouth Network Solutions,
721 556 4445 408 DLA Systems Automation Center
20115 553 365 286 Charter Communications
852 516 1142 406 Telus Advanced Communications
7843 505 648 119 Adelphia Corp.
7132 449 7851 335 Southwestern Bell Internet Se
2386 427 582 231 AT&T Data Communications Serv
705 404 147 278 UUNET Technologies, Inc.
6347 404 391 90 SAVVIS Communications Corpora
4355 393 323 103 EarthLink, Inc.
22909 390 843 25 Comcast Cable Corporation
376 384 359 112 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 650 2038 545 UUNET - Commercial IP service
3320 297 2477 237 Deutsche Telekom AG
8220 273 429 261 COLT Internet - International
3301 272 1096 262 TeliaNet Sweden
1257 248 495 199 SWIPnet Swedish IP Network
680 244 2025 239 DFN-IP service G-WiN
13083 216 51 8 Mannesmann Datenverarbeitung
3246 205 464 202 Song Networks
5515 198 779 143 Sonera Solution Autonomous Sy
719 180 288 102 LANLINK autonomous system
3215 177 831 68 France Telecom Transpac
25186 175 172 116 France Telecom Transpac's Tra
8708 174 111 163 Romania Data Systems S.A.
786 172 1778 172 The JANET IP Service
6746 154 29 127 Dynamic Network Technologies,
5400 143 207 121 BT Ignite European Backbone
3269 137 1101 65 TELECOM ITALIA
3303 132 611 132 Swisscom Ltd
12302 123 18 29 MobiFon S.A.
1273 115 166 91 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 360 80 55 Servicios Alestra S.A de C.V
6140 345 124 66 ImpSat
8151 268 373 129 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 160 82 21 Telefonica Del Peru
7303 140 53 30 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 130 219 89 AVANTEL, S.A.
11992 89 9 28 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 79 5 16 Chilesat Servicios Empresari
14420 77 5 31 ANDINATEL S.A.
15311 75 19 37 Telefonica Empresas
5639 72 8 8 Telecommunications Services o
4270 71 18 9 Red de Interconexion Universi
14535 70 6 5 Techtel S.A.
11311 69 7 19 Sinectis S.A.
14259 67 4 5 GTD Internet S.A.
10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA
7080 64 4 1 Electronica y Comunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 254 632 219 The Internet Solution
5536 107 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 90 276 80 The Internetworking Company o
11845 37 9 11 Data Pro Business Online
24835 31 18 6 RAYA Telecom - Egypt
5713 26 125 24 Telkom SA Ltd
9129 25 3 4 UUNET Kenya
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
8524 24 2 4 AUCEGYPT Autonomous System
12455 24 4 2 Jambonet Autonomous system
14988 24 16 1 Botswana Telecommunications C
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
15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 706 698 Covad Communications
4134 735 592 Data Communications Bureau
4323 730 529 Time Warner Communications, I
6197 709 435 BellSouth Network Solutions,
7843 505 386 Adelphia Corp.
4663 402 385 ELIMNET, INC
701 1310 372 UUNET Technologies, Inc.
22909 390 365 Comcast Cable Corporation
5668 379 363 Century Telephone
6198 561 347 BellSouth Network Solutions,
27364 363 344 Armstrong Cable Services
22773 377 328 Cox Communications, Inc. Atla
6347 404 314 SAVVIS Communications Corpora
9929 347 314 China Netcom Corp.
4755 365 309 Videsh Sanchar Nigam Ltd. Aut
17676 341 308 XTAGE CORPORATION
11172 360 305 Servicios Alestra S.A de C.V
1239 933 299 Sprint
4355 393 290 EarthLink, Inc.
6140 345 279 ImpSat
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64512 PRIVATE 61.17.25.0/24 10199 DishnetDSL Limited
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm
65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone
65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone
65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V.
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati
65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V.
65502 PRIVATE 203.97.150.0/24 7714 TelstraClear
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
192.70.164.0/24 25689 National Research Council of
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
192.172.11.0/24 721 DLA Systems Automation Center
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 /12:59
/13:122 /14:295 /15:512 /16:7754 /17:2020 /18:3602
/19:9395 /20:9910 /21:7238 /22:10265 /23:11552 /24:76408
/25:314 /26:395 /27:133 /28:31 /29:8 /30:55
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 689 706 Covad Communications
7018 556 1444 AT&T
6197 538 709 BellSouth Network Solutions,
3356 509 894 Level 3 Communications, LLC
702 395 650 UUNET - Commercial IP service
6198 394 561 BellSouth Network Solutions,
701 368 1310 UUNET Technologies, Inc.
1239 365 933 Sprint
4663 364 402 ELIMNET, INC
27364 351 363 Armstrong Cable Services
5668 332 379 Century Telephone
4766 310 489 Korea Internet Exchange for "
20115 294 553 Charter Communications
9929 277 347 China Netcom Corp.
14824 251 276 NewSouth Communications Corp.
9583 249 403 Satyam Infoway Ltd.,
690 247 283 Merit Network
3320 246 297 Deutsche Telekom AG
25844 244 244 Skadden, Arps, Slate, Meagher
6517 236 262 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:818 13:1 15:5 16:2 17:3
20:8 24:731 32:101 38:69 40:54 44:3
55:1 56:3 57:15 61:380 62:484 63:1823
64:1839 65:1996 66:2524 67:316 68:519 69:526
70:64 80:499 81:292 82:172 83:62 128:146
129:185 130:82 131:131 132:18 133:1 134:177
135:17 136:185 137:92 138:152 139:43 140:156
141:124 142:117 143:63 144:86 145:42 146:301
147:76 148:403 149:118 150:93 151:71 152:165
153:62 154:1 155:118 156:61 157:59 158:125
159:146 160:54 161:55 162:379 163:75 164:165
165:161 166:100 167:220 168:225 169:106 170:286
171:8 192:5717 193:2733 194:2025 195:1350 196:556
198:3939 199:3270 200:3474 201:7 202:4595 203:5607
204:3044 205:2278 206:2263 207:2452 208:2245 209:2796
210:1442 211:601 212:961 213:1167 214:222 215:28
216:3383 217:917 218:168 219:110 220:229 221:28
222:38
End of report
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