[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jan 12 05:05:07 EST 2008
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 12 Jan, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 242944
Prefixes after maximum aggregation: 124170
Deaggregation factor: 1.96
Unique aggregates announced to Internet: 118684
Total ASes present in the Internet Routing Table: 27064
Prefixes per ASN: 8.98
Origin-only ASes present in the Internet Routing Table: 23563
Origin ASes announcing only one prefix: 11452
Transit ASes present in the Internet Routing Table: 3501
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 19
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 12
Unregistered ASNs in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1799965984
Equivalent to 107 /8s, 73 /16s and 77 /24s
Percentage of available address space announced: 48.6
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 114374
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55911
Total APNIC prefixes after maximum aggregation: 21003
APNIC Deaggregation factor: 2.66
Prefixes being announced from the APNIC address blocks: 53426
Unique aggregates announced from the APNIC address blocks: 23847
APNIC Region origin ASes present in the Internet Routing Table: 3091
APNIC Prefixes per ASN: 17.28
APNIC Region origin ASes announcing only one prefix: 806
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: 14
Number of APNIC addresses announced to Internet: 325161632
Equivalent to 19 /8s, 97 /16s and 146 /24s
Percentage of available APNIC address space announced: 74.4
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, 114/7, 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: 114433
Total ARIN prefixes after maximum aggregation: 65214
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 83426
Unique aggregates announced from the ARIN address blocks: 33233
ARIN Region origin ASes present in the Internet Routing Table: 12059
ARIN Prefixes per ASN: 6.92
ARIN Region origin ASes announcing only one prefix: 4646
ARIN Region transit ASes present in the Internet Routing Table: 1152
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 355588544
Equivalent to 21 /8s, 49 /16s and 217 /24s
Percentage of available ARIN address space announced: 78.5
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: 50815
Total RIPE prefixes after maximum aggregation: 32203
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 48137
Unique aggregates announced from the RIPE address blocks: 31950
RIPE Region origin ASes present in the Internet Routing Table: 10722
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 5645
RIPE Region transit ASes present in the Internet Routing Table: 1666
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 340099072
Equivalent to 20 /8s, 69 /16s and 128 /24s
Percentage of available RIPE address space announced: 78.0
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
40960-45055
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: 18404
Total LACNIC prefixes after maximum aggregation: 4626
LACNIC Deaggregation factor: 3.98
Prefixes being announced from the LACNIC address blocks: 16553
Unique aggregates announced from the LACNIC address blocks: 9040
LACNIC Region origin ASes present in the Internet Routing Table: 897
LACNIC Prefixes per ASN: 18.45
LACNIC Region origin ASes announcing only one prefix: 287
LACNIC Region transit ASes present in the Internet Routing Table: 153
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 47242240
Equivalent to 2 /8s, 208 /16s and 220 /24s
Percentage of available LACNIC address space announced: 46.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 3359
Total AfriNIC prefixes after maximum aggregation: 1106
AfriNIC Deaggregation factor: 3.04
Prefixes being announced from the AfriNIC address blocks: 2504
Unique aggregates announced from the AfriNIC address blocks: 1455
AfriNIC Region origin ASes present in the Internet Routing Table: 217
AfriNIC Prefixes per ASN: 11.54
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 8219136
Equivalent to 0 /8s, 125 /16s and 106 /24s
Percentage of available AfriNIC address space announced: 24.5
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
4755 1518 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1112 82 436 Sify Limited
9498 1094 549 61 BHARTI BT INTERNET LTD.
17488 960 62 87 Hathway IP Over Cable Interne
4134 858 11593 305 CHINANET-BACKBONE
4766 834 5494 339 Korea Telecom (KIX)
23577 815 34 693 Korea Telecom (ATM-MPLS)
18101 609 121 60 Reliance Infocom Ltd Internet
4780 591 308 43 Digital United Inc.
9829 590 449 11 BSNL National Internet Backbo
1221 545 1952 421 Telstra Pty Ltd
4812 535 938 83 China Telecom (Shanghai)
4808 530 821 125 CNCGROUP IP network: China169
4668 521 68 10 LG-EDS Systems Inc.
17676 505 10919 64 Softbank BB Corp.
7545 486 146 89 TPG Internet Pty Ltd
4802 471 128 152 Wantree Development
9443 434 121 69 Primus Telecommunications
17974 399 145 17 PT TELEKOMUNIKASI INDONESIA
7474 386 202 272 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1472 6073 996 AT&T WorldNet Services
4323 1388 1011 361 Time Warner Telecom
2386 1355 668 824 AT&T Data Communications Serv
11492 1210 134 16 Cable One
6478 1095 330 135 AT&T Worldnet Services
18566 1039 296 10 Covad Communications
7011 1003 296 589 Citizens Utilities
174 969 6832 812 Cogent Communications
6197 968 697 502 BellSouth Network Solutions,
701 898 6559 693 UUNET Technologies, Inc.
19262 863 3156 171 Verizon Global Networks
20115 862 794 468 Charter Communications
22773 837 2139 58 Cox Communications, Inc.
3356 835 10907 412 Level 3 Communications, LLC
1239 793 2673 552 Sprint
209 751 3912 600 Qwest
5668 666 177 19 CenturyTel Internet Holdings,
6140 608 110 151 ImpSat
6517 605 151 42 Yipes Communications, Inc.
852 600 1134 358 Telus Advanced Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 402 1651 367 TDC Tele Danmark
3301 327 1458 298 TeliaNet Sweden
3320 317 6019 263 Deutsche Telekom AG
8452 287 188 7 TEDATA
8551 278 267 41 Bezeq International
8866 277 78 24 Bulgarian Telecommunication C
5462 276 666 27 Telewest Broadband
6746 272 128 250 Dynamic Network Technologies,
680 270 2046 255 DFN-IP service G-WiN
3215 270 2583 92 France Telecom Transpac
8708 270 420 241 Romania Data Systems S.A.
8220 242 422 228 COLT Telecommunications
3352 240 1948 40 Ibernet, Internet Access Netw
3269 231 3037 68 TELECOM ITALIA
9155 227 43 10 QualityNet AS number
3300 211 172 100 AUCS Communications Services
9121 209 1444 25 TTnet Autonomous System
29357 199 17 4 WATANIYA TELECOM
1257 197 1196 180 SWIPnet Swedish IP Network
9116 196 184 28 Goldenlines main autonomous s
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1149 2390 218 UniNet S.A. de C.V.
11830 545 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
7303 418 203 56 Telecom Argentina Stet-France
11172 396 115 62 Servicios Alestra S.A de C.V
6471 374 85 37 ENTEL CHILE S.A.
14117 351 23 16 Telefonica del Sur S.A.
10620 343 91 25 TVCABLE BOGOTA
22047 322 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
6147 255 214 21 Telefonica Del Peru
7738 240 602 25 Telecomunicacoes da Bahia S.A
11556 236 128 4 Cable-Wireless Panama
20299 236 33 29 NEWCOM AMERICAS
28573 228 322 23 NET Servicos de Comunicao S.A
23216 225 17 47 RAMtelecom Telecomunicaciones
14522 220 36 8 SatNet S.A.
6503 215 180 85 AVANTEL, S.A.
10834 194 76 40 ADVANCE TELECOMUNICACIONES S.
19169 193 12 20 Telconet
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 402 60 36 LINKdotNET AS number
3741 282 869 226 The Internet Solution
20858 201 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 142 268 114 Tertiary Education Network
33783 141 9 10 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 85 84 4 Nile Online
2905 77 174 73 The Internetworking Company o
23889 77 24 16 MAURITIUS TELECOM
29571 77 13 7 Ci Telecom Autonomous system
20484 71 5 4 Yalla Online Autonomous Syste
15706 57 12 4 Sudatel Internet Exchange Aut
5713 50 455 40 Telkom SA Ltd
33774 50 37 28 AS Number for Telecom Algeria
16637 41 21 28 Johnnic e-Ventures
8524 33 2 8 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
11492 1210 1194 Cable One
9498 1094 1033 BHARTI BT INTERNET LTD.
18566 1039 1029 Covad Communications
4323 1388 1027 Time Warner Telecom
6478 1095 960 AT&T Worldnet Services
8151 1149 931 UniNet S.A. de C.V.
17488 960 873 Hathway IP Over Cable Interne
22773 837 779 Cox Communications, Inc.
19262 863 692 Verizon Global Networks
9583 1112 676 Sify Limited
5668 666 647 CenturyTel Internet Holdings,
9829 590 579 BSNL National Internet Backbo
6517 605 563 Yipes Communications, Inc.
4134 858 553 CHINANET-BACKBONE
18101 609 549 Reliance Infocom Ltd Internet
4780 591 548 Digital United Inc.
15270 600 545 PaeTec.net -a division of Pae
11830 545 536 Instituto Costarricense de El
2386 1355 531 AT&T Data Communications Serv
19916 563 521 OLM LLC
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65101 PRIVATE 89.211.192.0/19 42298 Qatar Telecom
65364 PRIVATE 190.144.163.0/24 14080 FIRSTCOM COLOMBIA
65389 PRIVATE 190.144.166.0/24 14080 FIRSTCOM COLOMBIA
65394 PRIVATE 190.144.167.0/24 14080 FIRSTCOM COLOMBIA
65403 PRIVATE 190.144.168.0/24 14080 FIRSTCOM COLOMBIA
65375 PRIVATE 190.144.175.0/24 14080 FIRSTCOM COLOMBIA
65201 PRIVATE 202.112.45.0/24 4538 China Education and
65201 PRIVATE 202.112.49.0/24 4538 China Education and
65201 PRIVATE 202.112.50.0/24 4538 China Education and
65201 PRIVATE 202.112.54.0/24 4538 China Education and
65201 PRIVATE 202.112.57.0/24 4538 China Education and
65201 PRIVATE 202.112.58.0/24 4538 China Education and
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /11:40 /12:133
/13:271 /14:486 /15:969 /16:9735 /17:4210 /18:6947
/19:14867 /20:17088 /21:16130 /22:20334 /23:21444 /24:127610
/25:872 /26:1093 /27:557 /28:101 /29:8 /30:1
/31:0 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1200 1210 Cable One
6478 1094 1095 AT&T Worldnet Services
2386 1049 1355 AT&T Data Communications Serv
18566 1020 1039 Covad Communications
9583 957 1112 Sify Limited
7011 888 1003 Citizens Utilities
4755 882 1518 Videsh Sanchar Nigam Ltd. Aut
7018 808 1472 AT&T WorldNet Services
23577 806 815 Korea Telecom (ATM-MPLS)
17488 775 960 Hathway IP Over Cable Interne
9498 766 1094 BHARTI BT INTERNET LTD.
6197 728 968 BellSouth Network Solutions,
4766 618 834 Korea Telecom (KIX)
4323 594 1388 Time Warner Telecom
6517 568 605 Yipes Communications, Inc.
15270 560 600 PaeTec.net -a division of Pae
19916 558 563 OLM LLC
5668 522 666 CenturyTel Internet Holdings,
4668 511 521 LG-EDS Systems Inc.
18101 503 609 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:97 12:1940 13:2 15:21 16:3
17:6 18:14 20:35 24:1009 25:1 31:1
32:61 33:4 38:379 40:65 41:439 44:2
47:8 52:3 55:3 56:3 57:22 58:504
59:413 60:405 61:980 62:1046 63:1981 64:3335
65:2364 66:3605 67:1059 68:640 69:2077 70:469
71:105 72:1462 73:7 74:785 75:173 76:176
77:493 78:434 79:65 80:888 81:786 82:565
83:352 84:522 85:926 86:366 87:595 88:289
89:1085 90:39 91:898 92:96 93:18 95:1
96:2 97:7 98:29 114:1 115:1 116:481
117:241 118:63 119:89 121:387 122:668 123:226
124:767 125:1062 128:310 129:198 130:125 131:390
132:68 133:9 134:188 135:31 136:215 137:85
138:149 139:90 140:500 141:131 142:375 143:272
144:325 145:51 146:336 147:129 148:481 149:188
150:115 151:131 152:95 153:127 154:11 155:278
156:196 157:246 158:165 159:212 160:196 161:99
162:199 163:190 164:562 165:420 166:291 167:310
168:566 169:130 170:427 171:28 172:3 173:1
189:140 190:1382 192:5742 193:4061 194:3247 195:2317
196:959 198:3803 199:3221 200:5414 201:1295 202:7492
203:7906 204:3959 205:2052 206:2424 207:2753 208:3092
209:3607 210:2637 211:1118 212:1265 213:1612 214:448
215:46 216:4134 217:1236 218:331 219:404 220:1008
221:411 222:295
End of report
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