[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Aug 4 04:03:31 EST 2007
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
For historical data, please see http://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 04 Aug, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/08/04/0400
Analysis Summary
----------------
BGP routing table entries examined: 227298
Prefixes after maximum aggregation: 119323
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 110484
Total ASes present in the Internet Routing Table: 25850
Prefixes per ASN: 8.79
Origin-only ASes present in the Internet Routing Table: 22525
Origin ASes announcing only one prefix: 10999
Transit ASes present in the Internet Routing Table: 3325
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 8
Unregistered ASNs in the Routing Table: 4
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1743111648
Equivalent to 103 /8s, 229 /16s and 197 /24s
Percentage of available address space announced: 47.0
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 119891
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 53242
Total APNIC prefixes after maximum aggregation: 20681
APNIC Deaggregation factor: 2.57
Prefixes being announced from the APNIC address blocks: 50181
Unique aggregates announced from the APNIC address blocks: 22059
APNIC Region origin ASes present in the Internet Routing Table: 3024
APNIC Prefixes per ASN: 16.59
APNIC Region origin ASes announcing only one prefix: 814
APNIC Region transit ASes present in the Internet Routing Table: 461
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 306088608
Equivalent to 18 /8s, 62 /16s and 138 /24s
Percentage of available APNIC address space announced: 75.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 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: 107633
Total ARIN prefixes after maximum aggregation: 62571
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 79239
Unique aggregates announced from the ARIN address blocks: 31555
ARIN Region origin ASes present in the Internet Routing Table: 11715
ARIN Prefixes per ASN: 6.76
ARIN Region origin ASes announcing only one prefix: 4524
ARIN Region transit ASes present in the Internet Routing Table: 1072
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 341376000
Equivalent to 20 /8s, 88 /16s and 252 /24s
Percentage of available ARIN address space announced: 75.4
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, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 47791
Total RIPE prefixes after maximum aggregation: 30676
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 44142
Unique aggregates announced from the RIPE address blocks: 29072
RIPE Region origin ASes present in the Internet Routing Table: 9997
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5327
RIPE Region transit ASes present in the Internet Routing Table: 1581
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 323531264
Equivalent to 19 /8s, 72 /16s and 178 /24s
Percentage of available RIPE address space announced: 74.2
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, 38912-39935
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 16002
Total LACNIC prefixes after maximum aggregation: 4357
LACNIC Deaggregation factor: 3.67
Prefixes being announced from the LACNIC address blocks: 14062
Unique aggregates announced from the LACNIC address blocks: 7787
LACNIC Region origin ASes present in the Internet Routing Table: 835
LACNIC Prefixes per ASN: 16.84
LACNIC Region origin ASes announcing only one prefix: 271
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 41377024
Equivalent to 2 /8s, 119 /16s and 93 /24s
Percentage of available LACNIC address space announced: 61.7
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2619
Total AfriNIC prefixes after maximum aggregation: 1028
AfriNIC Deaggregation factor: 2.55
Prefixes being announced from the AfriNIC address blocks: 2164
Unique aggregates announced from the AfriNIC address blocks: 1293
AfriNIC Region origin ASes present in the Internet Routing Table: 200
AfriNIC Prefixes per ASN: 10.82
AfriNIC Region origin ASes announcing only one prefix: 63
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6375680
Equivalent to 0 /8s, 97 /16s and 73 /24s
Percentage of available AfriNIC address space announced: 19.0
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 1369 11014 286 CHINANET-BACKBONE
4755 1311 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1122 80 399 Sify Limited
9498 1008 533 69 BHARTI BT INTERNET LTD.
4766 796 4930 316 Korea Telecom (KIX)
23577 788 34 685 Korea Telecom (ATM-MPLS)
17488 738 48 58 Hathway IP Over Cable Interne
7545 696 146 117 TPG Internet Pty Ltd
18101 578 117 41 Reliance Infocom Ltd Internet
1221 549 1951 427 Telstra Pty Ltd
4812 530 915 96 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4808 479 768 110 CNCGROUP IP network: China169
9443 471 122 77 Primus Telecommunications
7474 415 218 269 SingTel Optus Pty Ltd
4802 414 108 153 Wantree Development
17974 363 130 13 PT TELEKOMUNIKASI INDONESIA
9829 362 258 14 BSNL National Internet Backbo
4837 352 4944 164 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1475 6075 999 AT&T WorldNet Services
4323 1326 1020 370 Time Warner Telecom
2386 1192 614 739 AT&T Data Communications Serv
11492 1115 109 15 Cable One
6478 1104 319 206 AT&T Worldnet Services
6197 1028 717 509 BellSouth Network Solutions,
18566 1017 288 9 Covad Communications
174 965 6776 855 Cogent Communications
701 939 6546 716 UUNET Technologies, Inc.
7011 899 258 545 Citizens Utilities
1239 814 2742 580 Sprint
20115 806 740 431 Charter Communications
19262 768 2765 187 Verizon Global Networks
22773 750 2148 49 Cox Communications, Inc.
209 748 3871 593 Qwest
5668 627 171 23 CenturyTel Internet Holdings,
6517 576 161 37 Yipes Communications, Inc.
855 575 254 73 Canadian Research Network
852 573 1093 364 Telus Advanced Communications
6198 569 613 259 BellSouth Network Solutions,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 515 1075 138 Telenor Internet Access
702 503 1922 404 UUNET - Commercial IP service
24863 361 56 41 LINKdotNET AS number
9116 323 168 26 Goldenlines main autonomous s
3320 313 6035 259 Deutsche Telekom AG
3301 312 1456 292 TeliaNet Sweden
6746 287 130 263 Dynamic Network Technologies,
5089 268 1658 53 NTL Group Limited
680 264 2044 255 DFN-IP service G-WiN
8220 260 445 243 COLT Telecommunications
3215 255 2376 96 France Telecom Transpac
8708 252 420 241 Romania Data Systems S.A.
3352 224 1864 41 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
8551 215 212 27 Bezeq International
9121 210 1441 24 TTnet Autonomous System
1257 194 1195 172 SWIPnet Swedish IP Network
3292 194 1379 174 TDC Tele Danmark
12479 192 578 6 Uni2 Autonomous System
3246 185 253 176 Song Networks
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 885 1957 212 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 377 116 63 Servicios Alestra S.A de C.V
14522 334 28 7 SatNet S.A.
7303 318 152 39 Telecom Argentina Stet-France
22047 318 246 13 VTR PUNTO NET S.A.
6471 312 75 31 ENTEL CHILE S.A.
14117 281 19 15 Telefonica del Sur S.A.
10481 261 104 9 Prima S.A.
11556 229 128 3 Cable-Wireless Panama
6147 226 174 26 Telefonica Del Peru
10620 217 61 19 TVCABLE BOGOTA
6503 203 172 85 AVANTEL, S.A.
23216 196 16 43 RAMtelecom Telecomunicaciones
8163 177 11 6 METROTEL REDES S.A.
20299 164 24 22 NEWCOM AMERICAS
7738 159 506 23 Telecomunicacoes da Bahia S.A
7910 159 11 28 ANDINET ON LINE
19169 157 10 23 Telconet
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 282 867 223 The Internet Solution
8452 227 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 138 301 115 Tertiary Education Network
33783 126 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
24835 89 48 6 RAYA Telecom - Egypt
15475 77 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 52 24 15 MAURITIUS TELECOM
5713 46 294 36 Telkom SA Ltd
33774 46 29 24 AS Number for Telecom Algeria
33776 38 2 4 Starcomms Nigeria Limited
16637 37 21 29 Johnnic e-Ventures
8524 32 2 8 AUCEGYPT Autonomous System
12455 30 6 3 Jambonet Autonomous system
21280 29 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1311 1240 Videsh Sanchar Nigam Ltd. Aut
11492 1115 1100 Cable One
4134 1369 1083 CHINANET-BACKBONE
18566 1017 1008 Covad Communications
4323 1326 956 Time Warner Telecom
9498 1008 939 BHARTI BT INTERNET LTD.
6478 1104 898 AT&T Worldnet Services
9583 1122 723 Sify Limited
22773 750 701 Cox Communications, Inc.
17488 738 680 Hathway IP Over Cable Interne
8151 885 673 UniNet S.A. de C.V.
5668 627 604 CenturyTel Internet Holdings,
19262 768 581 Verizon Global Networks
7545 696 579 TPG Internet Pty Ltd
6517 576 539 Yipes Communications, Inc.
18101 578 537 Reliance Infocom Ltd Internet
15270 565 528 PaeTec.net -a division of Pae
6197 1028 519 BellSouth Network Solutions,
19916 568 517 OLM LLC
855 575 502 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64513 PRIVATE 63.171.234.0/26 1803 SPRINT
64513 PRIVATE 63.171.234.64/26 1803 SPRINT
64513 PRIVATE 63.171.234.128/26 1803 SPRINT
64513 PRIVATE 63.171.234.192/26 1803 SPRINT
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
65535 PRIVATE 193.203.218.0/23 38931 Traffic-Media
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
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
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
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
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 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 /9:9 /10:15 /11:36 /12:130
/13:256 /14:468 /15:903 /16:9568 /17:4025 /18:6558
/19:13834 /20:16097 /21:14649 /22:18989 /23:19907 /24:119486
/25:765 /26:1011 /27:485 /28:76 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1106 1115 Cable One
6478 1103 1104 AT&T Worldnet Services
18566 999 1017 Covad Communications
9583 964 1122 Sify Limited
2386 886 1192 AT&T Data Communications Serv
7018 809 1475 AT&T WorldNet Services
7011 797 899 Citizens Utilities
6197 782 1028 BellSouth Network Solutions,
23577 779 788 Korea Telecom (ATM-MPLS)
4755 702 1311 Videsh Sanchar Nigam Ltd. Aut
9498 678 1008 BHARTI BT INTERNET LTD.
4766 595 796 Korea Telecom (KIX)
19916 563 568 OLM LLC
17488 561 738 Hathway IP Over Cable Interne
4323 558 1326 Time Warner Telecom
6517 541 576 Yipes Communications, Inc.
15270 530 565 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
5668 492 627 CenturyTel Internet Holdings,
18101 490 578 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:84 9:1 12:1795 15:19
16:3 17:3 18:12 20:37 24:925 25:1
32:57 33:3 38:342 40:60 41:230 44:2
47:4 52:4 55:3 56:3 57:25 58:468
59:381 60:345 61:997 62:886 63:1991 64:3136
65:2349 66:3312 67:757 68:627 69:1929 70:446
71:103 72:1375 73:2 74:595 75:256 76:87
77:265 78:27 80:830 81:827 82:671 83:374
84:550 85:851 86:339 87:456 88:289 89:951
90:13 91:453 97:6 98:4 116:270 117:90
121:252 122:579 123:141 124:873 125:971 128:291
129:212 130:140 131:362 132:54 133:9 134:193
135:39 136:184 137:81 138:149 139:71 140:494
141:172 142:378 143:236 144:284 145:46 146:325
147:120 148:403 149:143 150:111 151:160 152:90
153:122 154:2 155:257 156:157 157:212 158:158
159:165 160:108 161:95 162:217 163:181 164:470
165:395 166:283 167:293 168:507 169:121 170:411
171:22 172:1 189:70 190:915 192:5756 193:3948
194:3170 195:2262 196:973 198:3802 199:3281 200:5041
201:1153 202:7384 203:7565 204:3942 205:1956 206:2417
207:2802 208:2740 209:3473 210:2418 211:966 212:1286
213:1460 214:414 215:40 216:3989 217:1164 218:353
219:384 220:1013 221:412 222:267
End of report
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