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(a)lists.apnic.net
If you have any comments please contact Philip Smith <pfs(a)cisco.com>.
Routing Table Report 04:00 +10GMT Sat 18 Sep, 2004
Analysis Summary
----------------
BGP routing table entries examined: 146980
Prefixes after maximum aggregation: 87372
Unique aggregates announced to Internet: 70140
Total ASes present in the Internet Routing Table: 18068
Origin-only ASes present in the Internet Routing Table: 15701
Origin ASes announcing only one prefix: 7323
Transit ASes present in the Internet Routing Table: 2367
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 22
Prefixes from unregistered ASNs in the Routing Table: 57
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 17
Number of addresses announced to Internet: 1338258084
Equivalent to 79 /8s, 196 /16s and 50 /24s
Percentage of available address space announced: 36.1
Percentage of allocated address space announced: 58.3
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 67376
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 28143
Total APNIC prefixes after maximum aggregation: 14195
Prefixes being announced from the APNIC address blocks: 26407
Unique aggregates announced from the APNIC address blocks: 14209
APNIC Region origin ASes present in the Internet Routing Table: 2143
APNIC Region origin ASes announcing only one prefix: 638
APNIC Region transit ASes present in the Internet Routing Table: 324
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 161969792
Equivalent to 9 /8s, 167 /16s and 118 /24s
Percentage of available APNIC address space announced: 73.9
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: 83808
Total ARIN prefixes after maximum aggregation: 51188
Prefixes being announced from the ARIN address blocks: 64163
Unique aggregates announced from the ARIN address blocks: 22757
ARIN Region origin ASes present in the Internet Routing Table: 9550
ARIN Region origin ASes announcing only one prefix: 3415
ARIN Region transit ASes present in the Internet Routing Table: 926
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 232603392
Equivalent to 13 /8s, 221 /16s and 63 /24s
Percentage of available ARIN address space announced: 69.3
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, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 27264
Total RIPE prefixes after maximum aggregation: 19026
Prefixes being announced from the RIPE address blocks: 24104
Unique aggregates announced from the RIPE address blocks: 15851
RIPE Region origin ASes present in the Internet Routing Table: 5826
RIPE Region origin ASes announcing only one prefix: 3131
RIPE Region transit ASes present in the Internet Routing Table: 997
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 171318592
Equivalent to 10 /8s, 54 /16s and 29 /24s
Percentage of available RIPE address space announced: 60.1
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, 33792-34815
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: 6459
Total LACNIC prefixes after maximum aggregation: 2272
Prefixes being announced from the LACNIC address blocks: 6247
Unique aggregates announced from the LACNIC address blocks: 3521
LACNIC Region origin ASes present in the Internet Routing Table: 393
LACNIC Region origin ASes announcing only one prefix: 119
LACNIC Region transit ASes present in the Internet Routing Table: 77
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 16039680
Equivalent to 0 /8s, 244 /16s and 191 /24s
Percentage of available LACNIC address space announced: 47.8
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1252
Total AfriNIC prefixes after maximum aggregation: 688
Prefixes being announced from the AfriNIC address blocks: 830
Unique aggregates announced from the AfriNIC address blocks: 664
AfriNIC Region origin ASes present in the Internet Routing Table: 92
AfriNIC Region origin ASes announcing only one prefix: 20
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 2060544
Equivalent to 0 /8s, 31 /16s and 113 /24s
Percentage of available AfriNIC address space announced: 12.3
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 834 4193 156 Data Communications Bureau
1221 810 1184 583 Telstra Pty Ltd
4766 545 3408 266 Korea Internet Exchange for "
9583 531 41 103 Satyam Infoway Ltd.,
4755 367 133 49 Videsh Sanchar Nigam Ltd. Aut
9443 355 70 81 Primus Telecommunications
2907 350 1840 324 SINET Japan
17676 350 5212 41 XTAGE CORPORATION
9929 347 161 33 China Netcom Corp.
17557 313 22 155 Pakistan Telecom
703 311 342 240 UUNET
2764 283 274 232 connect.com.au pty ltd
7474 271 269 200 Optus Communications Pty Ltd
9942 234 73 130 COMindico Australia
4802 232 28 142 Wantree Development
9800 229 372 66 CHINA UNICOM
9498 223 49 49 BHARTI BT INTERNET LTD.
4837 202 2264 106 chinanet IDC center beijing n
10036 202 18 185 C&M Communication Co. Ltd.
9304 189 160 26 Hutchison Telecom (HK)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1411 6737 977 AT&T WorldNet Services
701 1267 8422 910 UUNET Technologies, Inc.
1239 944 2882 628 Sprint
2386 829 545 594 AT&T Data Communications Serv
4323 773 613 211 Time Warner Telecom
18566 739 208 6 Covad Communications
6197 720 362 350 BellSouth Network Solutions,
721 713 21011 295 DLA Systems Automation Center
209 620 3464 493 Qwest
3356 592 10923 452 Level 3 Communications, LLC
20115 578 422 291 Charter Communications
3561 518 2487 369 Cable & Wireless USA
852 509 1141 396 Telus Advanced Communications
7843 489 676 100 Adelphia Corp.
7132 434 8157 376 SBC Internet Services
6198 431 396 199 BellSouth Network Solutions,
705 429 163 271 UUNET Technologies, Inc.
6347 398 158 93 SAVVIS Communications Corpora
22773 397 960 18 Cox Communications, Inc. Atla
27364 395 36 19 Armstrong Cable Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 634 2031 526 UUNET - Commercial IP service
3320 300 2470 237 Deutsche Telekom AG
3301 282 1098 272 TeliaNet Sweden
8220 274 460 261 COLT Internet - International
21502 268 40 3 NUMERICABLE is a cabled netwo
680 251 2025 239 DFN-IP service G-WiN
3246 217 475 214 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 211 745 180 SWIPnet Swedish IP Network
8708 204 113 183 Romania Data Systems S.A.
5515 198 842 144 Sonera Solution Autonomous Sy
3215 184 876 77 France Telecom Transpac
786 176 1794 176 The JANET IP Service
719 157 288 102 LANLINK autonomous system
6746 155 29 132 Dynamic Network Technologies,
5400 154 209 124 BT Ignite European Backbone
25186 153 154 109 France Telecom Transpac's Tra
3303 148 610 130 Swisscom Ltd
3269 145 1195 66 TELECOM ITALIA
8866 138 16 20 Bulgarian Telecommunication C
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 364 138 65 ImpSat
11172 358 99 53 Servicios Alestra S.A de C.V
8151 302 455 134 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
6147 191 86 19 Telefonica Del Peru
11664 154 11 21 Keytech SA
6505 137 90 94 Global One Communicaoes Ltda
6503 132 171 88 AVANTEL, S.A.
7303 122 55 18 Telecom Argentina Stet-France
11992 90 9 31 Integrated Systems
10620 86 12 5 TVCABLE BOGOTA
14420 85 6 35 ANDINATEL S.A.
6535 84 5 18 Chilesat Servicios Empresari
10481 81 32 7 Prima S.A.
11556 81 41 3 Cable-Wireless Panama
11311 80 7 20 Sinectis S.A.
5639 77 8 8 Telecommunications Services o
15311 76 21 36 Telefonica Empresas
10292 71 6 27 TELECOMMUNICATIONS OF JAMAICA
14117 71 6 4 Telefonica del Sur S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 251 631 218 The Internet Solution
5536 114 16 4 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 92 276 81 The Internetworking Company o
20928 59 16 1 Noor Advanced Technologies AS
14988 48 16 1 Botswana Telecommunications C
24835 36 34 7 RAYA Telecom - Egypt
6713 32 42 10 Itissalat Al-MAGHRIB
9129 31 3 4 UUNET Kenya
5713 26 125 24 Telkom SA Ltd
8524 25 1 4 AUCEGYPT Autonomous System
16637 24 10 19 Johnnic e-Ventures
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
12455 17 4 2 Jambonet Autonomous system
21491 16 1 3 UTL On-line is RF broadband I
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
21280 14 2 3 Swift Global Kenya Ltd.Is an
15808 13 1 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 739 733 Covad Communications
4134 834 678 Data Communications Bureau
4323 773 562 Time Warner Telecom
9583 531 428 Satyam Infoway Ltd.,
721 713 418 DLA Systems Automation Center
7843 489 389 Adelphia Corp.
22773 397 379 Cox Communications, Inc. Atla
27364 395 376 Armstrong Cable Services
5668 393 375 Century Telephone
6197 720 370 BellSouth Network Solutions,
6467 389 359 E.Spire Communications, Inc.
701 1267 357 UUNET Technologies, Inc.
22909 368 331 Comcast Cable Corporation
4755 367 318 Videsh Sanchar Nigam Ltd. Aut
1239 944 316 Sprint
9929 347 314 China Netcom Corp.
17676 350 309 XTAGE CORPORATION
6347 398 305 SAVVIS Communications Corpora
11172 358 305 Servicios Alestra S.A de C.V
6140 364 299 ImpSat
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
23456 UNALLOCATED 62.241.160.0/19 25346 Pipex Internet UK IS
65115 PRIVATE 64.28.115.0/24 20385 AccessLine Communica
23456 UNALLOCATED 81.86.0.0/16 25346 Pipex Internet UK IS
23456 UNALLOCATED 81.178.0.0/15 25346 Pipex Internet UK IS
64513 PRIVATE 164.78.128.0/17 7610 SINGAPORE ADVANCE RE
64513 PRIVATE 164.78.249.0/24 7610 SINGAPORE ADVANCE RE
64513 PRIVATE 164.78.252.0/24 7610 SINGAPORE ADVANCE RE
65217 PRIVATE 192.102.236.0/24 217 University of Minnes
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
22750 UNALLOCATED 196.44.64.0/19 3741 The Internet Solutio
22750 UNALLOCATED 196.44.86.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.224.0/20 3741 The Internet Solutio
64572 PRIVATE 219.146.96.0/21 17633 ASN for Shandong Pro
64572 PRIVATE 219.146.96.0/20 17633 ASN for Shandong Pro
64572 PRIVATE 219.146.104.0/21 17633 ASN for Shandong Pro
64573 PRIVATE 219.146.112.0/21 17633 ASN for Shandong Pro
64573 PRIVATE 219.146.112.0/20 17633 ASN for Shandong Pro
64573 PRIVATE 219.146.120.0/21 17633 ASN for Shandong Pro
64576 PRIVATE 219.146.128.0/21 17633 ASN for Shandong Pro
64576 PRIVATE 219.146.128.0/20 17633 ASN for Shandong Pro
64576 PRIVATE 219.146.136.0/21 17633 ASN for Shandong Pro
64582 PRIVATE 219.146.144.0/22 17633 ASN for Shandong Pro
64582 PRIVATE 219.146.144.0/21 17633 ASN for Shandong Pro
64582 PRIVATE 219.146.148.0/22 17633 ASN for Shandong Pro
64584 PRIVATE 219.146.176.0/22 17633 ASN for Shandong Pro
64584 PRIVATE 219.146.176.0/21 17633 ASN for Shandong Pro
64584 PRIVATE 219.146.180.0/22 17633 ASN for Shandong Pro
64575 PRIVATE 219.146.192.0/22 17633 ASN for Shandong Pro
64575 PRIVATE 219.146.192.0/21 17633 ASN for Shandong Pro
64575 PRIVATE 219.146.196.0/22 17633 ASN for Shandong Pro
64580 PRIVATE 219.146.208.0/21 17633 ASN for Shandong Pro
64581 PRIVATE 219.146.216.0/21 17633 ASN for Shandong Pro
64585 PRIVATE 219.146.224.0/21 17633 ASN for Shandong Pro
64586 PRIVATE 219.146.232.0/21 17633 ASN for Shandong Pro
64582 PRIVATE 219.147.0.0/24 17633 ASN for Shandong Pro
64572 PRIVATE 222.173.128.0/20 17633 ASN for Shandong Pro
64572 PRIVATE 222.173.128.0/19 17633 ASN for Shandong Pro
64572 PRIVATE 222.173.144.0/20 17633 ASN for Shandong Pro
64573 PRIVATE 222.173.160.0/20 17633 ASN for Shandong Pro
64573 PRIVATE 222.173.160.0/19 17633 ASN for Shandong Pro
64573 PRIVATE 222.173.176.0/20 17633 ASN for Shandong Pro
64576 PRIVATE 222.173.192.0/20 17633 ASN for Shandong Pro
64576 PRIVATE 222.173.192.0/19 17633 ASN for Shandong Pro
64576 PRIVATE 222.173.208.0/20 17633 ASN for Shandong Pro
64582 PRIVATE 222.173.224.0/20 17633 ASN for Shandong Pro
64582 PRIVATE 222.173.224.0/19 17633 ASN for Shandong Pro
64582 PRIVATE 222.173.240.0/20 17633 ASN for Shandong Pro
64584 PRIVATE 222.174.96.0/20 17633 ASN for Shandong Pro
64584 PRIVATE 222.174.96.0/19 17633 ASN for Shandong Pro
64584 PRIVATE 222.174.112.0/20 17633 ASN for Shandong Pro
64575 PRIVATE 222.174.160.0/20 17633 ASN for Shandong Pro
64575 PRIVATE 222.174.160.0/19 17633 ASN for Shandong Pro
64575 PRIVATE 222.174.176.0/20 17633 ASN for Shandong Pro
64580 PRIVATE 222.174.224.0/19 17633 ASN for Shandong Pro
64581 PRIVATE 222.175.0.0/19 17633 ASN for Shandong Pro
64585 PRIVATE 222.175.32.0/19 17633 ASN for Shandong Pro
64586 PRIVATE 222.175.64.0/19 17633 ASN for Shandong Pro
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
111.0.0.0/24 7563 Korea Internet Infrastructure
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 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 WorldNet Services
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
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 /8:19 /9:3 /10:6 /11:15 /12:63
/13:134 /14:306 /15:541 /16:8041 /17:2217 /18:3849
/19:9808 /20:10328 /21:7755 /22:10699 /23:12325 /24:80141
/25:237 /26:196 /27:105 /28:49 /29:31 /30:75
/31:0 /32:37
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 724 739 Covad Communications
2386 595 829 AT&T Data Communications Serv
6197 572 720 BellSouth Network Solutions,
7018 555 1411 AT&T WorldNet Services
702 388 634 UUNET - Commercial IP service
27364 379 395 Armstrong Cable Services
1239 372 944 Sprint
9583 370 531 Satyam Infoway Ltd.,
4766 363 545 Korea Internet Exchange for "
701 356 1267 UUNET Technologies, Inc.
5668 343 393 Century Telephone
6198 317 431 BellSouth Network Solutions,
6347 297 398 SAVVIS Communications Corpora
20115 292 578 Charter Communications
6467 287 389 E.Spire Communications, Inc.
9929 278 347 China Netcom Corp.
6517 269 296 Yipes Communications, Inc.
21502 265 268 NUMERICABLE is a cabled netwo
13609 263 306 Choice One Communications Inc
3320 246 300 Deutsche Telekom AG
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:3 12:1395 13:1 15:5 16:2
17:3 20:9 24:723 32:66 33:2 38:80
40:54 44:4 52:3 55:1 56:3 57:17
60:6 61:499 62:488 63:1838 64:2332 65:2055
66:2476 67:390 68:535 69:719 70:70 80:525
81:549 82:316 83:146 84:26 111:1 128:109
129:169 130:87 131:188 132:25 134:182 135:17
136:134 137:55 138:169 139:35 140:184 141:107
142:120 143:67 144:156 145:41 146:294 147:94
148:424 149:107 150:87 151:70 152:153 153:68
154:2 155:127 156:58 157:71 158:143 159:161
160:57 161:70 162:379 163:79 164:210 165:159
166:118 167:223 168:292 169:115 170:270 171:9
192:5585 193:2896 194:2127 195:1481 196:587 198:3674
199:3255 200:3797 201:16 202:4836 203:5646 204:3237
205:2070 206:2316 207:2543 208:2141 209:3044 210:1484
211:626 212:1075 213:1186 214:132 215:31 216:3718
217:1003 218:177 219:101 220:249 221:37 222:40
End of report