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 [EMAIL PROTECTED]
If you have any comments please contact Philip Smith <[EMAIL PROTECTED]>.
Routing Table Report 04:00 +10GMT Sat 07 May, 2005
Analysis Summary
----------------
BGP routing table entries examined: 161467
Prefixes after maximum aggregation: 93967
Unique aggregates announced to Internet: 77882
Total ASes present in the Internet Routing Table: 19588
Origin-only ASes present in the Internet Routing Table: 17034
Origin ASes announcing only one prefix: 7990
Transit ASes present in the Internet Routing Table: 2554
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 29
Prefixes from unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1421415488
Equivalent to 84 /8s, 185 /16s and 20 /24s
Percentage of available address space announced: 38.3
Percentage of allocated address space announced: 60.2
Percentage of available address space allocated: 63.7
Total number of prefixes smaller than registry allocations: 75659
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 33075
Total APNIC prefixes after maximum aggregation: 15569
Prefixes being announced from the APNIC address blocks: 30999
Unique aggregates announced from the APNIC address blocks: 15721
APNIC Region origin ASes present in the Internet Routing Table: 2262
APNIC Region origin ASes announcing only one prefix: 660
APNIC Region transit ASes present in the Internet Routing Table: 341
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 182688640
Equivalent to 10 /8s, 227 /16s and 155 /24s
Percentage of available APNIC address space announced: 67.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 87571
Total ARIN prefixes after maximum aggregation: 53451
Prefixes being announced from the ARIN address blocks: 68378
Unique aggregates announced from the ARIN address blocks: 25130
ARIN Region origin ASes present in the Internet Routing Table: 9913
ARIN Region origin ASes announcing only one prefix: 3615
ARIN Region transit ASes present in the Internet Routing Table: 939
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 247708160
Equivalent to 14 /8s, 195 /16s and 186 /24s
Percentage of available ARIN address space announced: 70.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 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, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 30610
Total RIPE prefixes after maximum aggregation: 21161
Prefixes being announced from the RIPE address blocks: 27670
Unique aggregates announced from the RIPE address blocks: 18469
RIPE Region origin ASes present in the Internet Routing Table: 6612
RIPE Region origin ASes announcing only one prefix: 3488
RIPE Region transit ASes present in the Internet Routing Table: 1113
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE addresses announced to Internet: 203457472
Equivalent to 12 /8s, 32 /16s and 131 /24s
Percentage of available RIPE address space announced: 71.3
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839
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: 8644
Total LACNIC prefixes after maximum aggregation: 3024
Prefixes being announced from the LACNIC address blocks: 7061
Unique aggregates announced from the LACNIC address blocks: 4080
LACNIC Region origin ASes present in the Internet Routing Table: 612
LACNIC Region origin ASes announcing only one prefix: 192
LACNIC Region transit ASes present in the Internet Routing Table: 114
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 18604800
Equivalent to 1 /8s, 27 /16s and 227 /24s
Percentage of available LACNIC address space announced: 55.4
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1547
Total AfriNIC prefixes after maximum aggregation: 762
Prefixes being announced from the AfriNIC address blocks: 945
Unique aggregates announced from the AfriNIC address blocks: 749
AfriNIC Region origin ASes present in the Internet Routing Table: 123
AfriNIC Region origin ASes announcing only one prefix: 35
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 2228736
Equivalent to 0 /8s, 34 /16s and 2 /24s
Percentage of available AfriNIC address space announced: 6.6
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 897 5035 183 CHINANET-BACKBONE
1221 772 1188 546 Telstra Pty Ltd
9583 732 53 75 Sify Limited
4755 593 243 124 Videsh Sanchar Nigam Ltd. Aut
4766 587 3412 276 Korea Telecom (KIX)
7545 495 86 72 TPG Internet Pty Ltd
17676 431 6509 73 Softbank BB Corp.
9443 370 77 76 Primus Telecommunications
9929 361 197 46 China Netcom Corp.
2907 345 1838 319 SINET Japan
17557 318 23 153 Pakistan Telecom
10036 311 28 282 C&M Communication Co. Ltd.
4808 309 251 169 CNCGROUP IP network: China169
7474 298 268 208 SingTel Optus Pty Ltd
9498 293 83 59 BHARTI BT INTERNET LTD.
4802 279 47 164 Wantree Development
703 257 279 212 UUNET - Commercial IP service
2764 252 238 197 AAPT Limited
17974 249 65 14 PT TELEKOMUNIKASI INDONESIA
9800 238 386 69 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1482 6502 961 AT&T WorldNet Services
174 1182 5612 1012 Cogent Communications
721 1117 21763 313 DLA Systems Automation Center
4323 1102 664 221 Time Warner Telecom
701 1011 8250 861 UUNET Technologies, Inc.
1239 906 2869 656 Sprint
6197 903 370 454 BellSouth Network Solutions,
2386 850 532 630 AT&T Data Communications Serv
18566 803 224 7 Covad Communications
209 652 3456 493 Qwest
20115 595 504 310 Charter Communications
3356 586 10836 441 Level 3 Communications, LLC
3561 543 2360 416 Savvis
27364 539 43 18 Armstrong Cable Services
852 529 1095 390 Telus Advanced Communications
3602 508 122 95 Sprint Canada, Inc.
5668 486 115 25 CenturyTel Internet Holdings,
22773 483 1188 21 Cox Communications, Inc.
6198 465 382 219 BellSouth Network Solutions,
7132 445 8798 379 SBC Internet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 593 2003 485 UUNET - Commercial IP service
3320 304 3249 238 Deutsche Telekom AG
3301 296 1116 286 TeliaNet Sweden
8220 272 468 266 COLT Telecommunications
680 253 2041 238 DFN-IP service G-WiN
3246 232 491 227 Song Networks
8708 226 252 210 Romania Data Systems S.A.
1257 200 728 176 SWIPnet Swedish IP Network
5515 178 778 128 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3269 164 1488 69 TELECOM ITALIA
6746 164 47 143 Dynamic Network Technologies,
8866 162 21 12 Bulgarian Telecommunication C
719 159 340 101 LANLINK autonomous system
3300 151 184 84 AUCS Communications Services
5400 144 284 128 BT Ignite European Backbone
25186 139 137 97 France Telecom Transpac's Tra
6830 137 513 27 UPC Distribution Services
2856 129 2305 116 BTnet UK Regional network
9051 128 8 34 INCONET Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 374 598 148 UniNet S.A. de C.V.
16814 266 16 7 NSS, S.A.
11172 224 99 54 Servicios Alestra S.A de C.V
6147 197 102 20 Telefonica Del Peru
11664 155 19 22 Keytech SA
7303 148 68 21 Telecom Argentina Stet-France
14117 135 8 4 Telefonica del Sur S.A.
22047 132 96 6 VTR PUNTO NET S.A.
6505 130 90 87 Global One Communicaoes Ltda
13999 112 52 9 Mega Cable S.A. de C.V.
11556 111 55 7 Cable-Wireless Panama
18822 105 7 15 TELEFONICA MANQUEHUE
6503 102 146 73 AVANTEL, S.A.
10481 101 40 7 Prima S.A.
19169 99 6 16 Telconet
19632 93 14 5 Metropolis Intercom S.A.
22927 92 65 22 TELEFONICA DE ARGENTINA
21826 90 12 18 INTERCABLE
11311 89 8 18 Sinectis S.A.
23216 89 24 23 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 270 637 225 The Internet Solution
5536 119 15 17 Internet Egypt Network
2018 91 295 87 Tertiary Education Network
20928 90 16 2 Noor Advanced Technologies AS
2905 75 267 69 The Internetworking Company o
8452 64 20 5 TEDATA
24835 62 34 6 RAYA Telecom - Egypt
9129 45 3 3 UUNET Kenya
12455 38 6 3 Jambonet Autonomous system
5713 35 141 28 Telkom SA Ltd
6713 35 54 9 Itissalat Al-MAGHRIB
8524 24 1 4 AUCEGYPT Autonomous System
15475 24 84 4 Nile Online
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
33765 19 3 8 TANZANIA TELECOMMUNICATIONS C
7460 18 3 5 LIA Internet Access
2609 17 26 3 Tunisia BackBone AS
12258 17 3 11 Vodacom Internet Company
21491 17 1 3 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1102 881 Time Warner Telecom
721 1117 804 DLA Systems Automation Center
18566 803 796 Covad Communications
4134 897 714 CHINANET-BACKBONE
9583 732 657 Sify Limited
27364 539 521 Armstrong Cable Services
4755 593 469 Videsh Sanchar Nigam Ltd. Aut
22773 483 462 Cox Communications, Inc.
5668 486 461 CenturyTel Internet Holdings,
6197 903 449 BellSouth Network Solutions,
7545 495 423 TPG Internet Pty Ltd
3602 508 413 Sprint Canada, Inc.
7725 415 400 MediaOne
6467 429 394 E.Spire Communications, Inc.
17676 431 358 Softbank BB Corp.
6140 398 326 ImpSat
9929 361 315 China Netcom Corp.
4766 587 311 Korea Telecom (KIX)
9443 370 294 Primus Telecommunications
6478 416 293 AT&T Worldnet Services
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65424 PRIVATE 66.225.194.0/24 23352 Server Central Netwo
65424 PRIVATE 66.225.194.0/23 23352 Server Central Netwo
65424 PRIVATE 66.225.195.0/24 23352 Server Central Netwo
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65444 PRIVATE 212.25.125.0/24 8551 Bezeq International
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
1.0.0.0/8 705 UUNET Technologies, Inc.
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
172.32.0.0/24 7011 Citizens Utilities
172.122.28.0/24 210 Utah Education Network
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
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
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:3 /10:8 /11:15 /12:69
/13:154 /14:308 /15:585 /16:8376 /17:2537 /18:4368
/19:10270 /20:11102 /21:8989 /22:12398 /23:13374 /24:88016
/25:275 /26:246 /27:138 /28:76 /29:38 /30:70
/31:0 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 787 803 Covad Communications
6197 742 903 BellSouth Network Solutions,
7018 672 1482 AT&T WorldNet Services
2386 603 850 AT&T Data Communications Serv
9583 548 732 Sify Limited
27364 528 539 Armstrong Cable Services
4323 517 1102 Time Warner Telecom
4766 405 587 Korea Telecom (KIX)
5668 403 486 CenturyTel Internet Holdings,
7725 388 415 MediaOne
1239 379 906 Sprint
702 365 593 UUNET - Commercial IP service
6198 342 465 BellSouth Network Solutions,
10036 311 311 C&M Communication Co. Ltd.
6467 307 429 E.Spire Communications, Inc.
6517 298 321 Yipes Communications, Inc.
7011 297 347 Citizens Utilities
9929 282 361 China Netcom Corp.
11456 278 320 Carolina Online, Inc.
15270 259 279 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:12 12:1531 13:1 15:9 16:2
17:3 18:4 20:4 24:1072 30:2 32:69
33:4 38:113 40:53 44:3 47:2 52:4
55:2 56:3 57:23 58:42 59:28 60:22
61:788 62:604 63:1871 64:2685 65:2068 66:2816
67:577 68:527 69:1007 70:100 71:6 72:175
80:564 81:546 82:392 83:257 84:168 85:192
86:8 128:145 129:158 130:85 131:279 132:34
133:1 134:147 135:40 136:185 137:65 138:171
139:55 140:192 141:106 142:148 143:133 144:168
145:32 146:280 147:105 148:294 149:169 150:97
151:65 152:106 153:86 154:5 155:141 156:77
157:92 158:161 159:175 160:77 161:64 162:203
163:82 164:207 165:175 166:154 167:233 168:421
169:139 170:311 171:8 172:2 192:5702 193:3174
194:2331 195:1553 196:650 198:3914 199:3267 200:3916
201:124 202:5556 203:6172 204:3810 205:2016 206:2473
207:2758 208:2050 209:3288 210:1690 211:830 212:1142
213:1281 214:265 215:33 216:3463 217:1133 218:198
219:106 220:380 221:209 222:96
End of report
