[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 21 18:02:43 UTC 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 22 Dec, 2007
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 241244
Prefixes after maximum aggregation: 123670
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 117636
Total ASes present in the Internet Routing Table: 26947
Prefixes per ASN: 8.95
Origin-only ASes present in the Internet Routing Table: 23457
Origin ASes announcing only one prefix: 11408
Transit ASes present in the Internet Routing Table: 3490
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 7
Unregistered ASNs in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1798304160
Equivalent to 107 /8s, 47 /16s and 241 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 113220
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56104
Total APNIC prefixes after maximum aggregation: 21439
APNIC Deaggregation factor: 2.62
Prefixes being announced from the APNIC address blocks: 52967
Unique aggregates announced from the APNIC address blocks: 23481
APNIC Region origin ASes present in the Internet Routing Table: 3109
APNIC Prefixes per ASN: 17.04
APNIC Region origin ASes announcing only one prefix: 816
APNIC Region transit ASes present in the Internet Routing Table: 480
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 324193696
Equivalent to 19 /8s, 82 /16s and 205 /24s
Percentage of available APNIC address space announced: 74.1
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: 112707
Total ARIN prefixes after maximum aggregation: 64022
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83122
Unique aggregates announced from the ARIN address blocks: 33082
ARIN Region origin ASes present in the Internet Routing Table: 11998
ARIN Prefixes per ASN: 6.93
ARIN Region origin ASes announcing only one prefix: 4613
ARIN Region transit ASes present in the Internet Routing Table: 1135
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356010176
Equivalent to 21 /8s, 56 /16s and 72 /24s
Percentage of available ARIN address space announced: 78.6
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: 50915
Total RIPE prefixes after maximum aggregation: 32509
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 47745
Unique aggregates announced from the RIPE address blocks: 31555
RIPE Region origin ASes present in the Internet Routing Table: 10663
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5629
RIPE Region transit ASes present in the Internet Routing Table: 1651
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 339459200
Equivalent to 20 /8s, 59 /16s and 188 /24s
Percentage of available RIPE address space announced: 77.8
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: 18184
Total LACNIC prefixes after maximum aggregation: 4587
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 16169
Unique aggregates announced from the LACNIC address blocks: 8974
LACNIC Region origin ASes present in the Internet Routing Table: 888
LACNIC Prefixes per ASN: 18.21
LACNIC Region origin ASes announcing only one prefix: 285
LACNIC Region transit ASes present in the Internet Routing Table: 153
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 47093248
Equivalent to 2 /8s, 206 /16s and 150 /24s
Percentage of available LACNIC address space announced: 46.8
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: 3318
Total AfriNIC prefixes after maximum aggregation: 1097
AfriNIC Deaggregation factor: 3.02
Prefixes being announced from the AfriNIC address blocks: 2482
Unique aggregates announced from the AfriNIC address blocks: 1451
AfriNIC Region origin ASes present in the Internet Routing Table: 212
AfriNIC Prefixes per ASN: 11.71
AfriNIC Region origin ASes announcing only one prefix: 65
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 8212736
Equivalent to 0 /8s, 125 /16s and 81 /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 1500 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1097 81 432 Sify Limited
9498 1066 549 62 BHARTI BT INTERNET LTD.
4134 978 11601 305 CHINANET-BACKBONE
17488 921 60 81 Hathway IP Over Cable Interne
4766 818 5476 331 Korea Telecom (KIX)
23577 808 34 689 Korea Telecom (ATM-MPLS)
18101 610 120 58 Reliance Infocom Ltd Internet
9829 589 448 10 BSNL National Internet Backbo
7545 585 147 100 TPG Internet Pty Ltd
1221 541 1952 417 Telstra Pty Ltd
4812 529 874 82 China Telecom (Shanghai)
4808 523 799 121 CNCGROUP IP network: China169
4668 519 68 10 LG-EDS Systems Inc.
17676 504 10919 64 Softbank BB Corp.
4802 470 128 151 Wantree Development
9443 438 121 69 Primus Telecommunications
17974 397 145 17 PT TELEKOMUNIKASI INDONESIA
7474 387 202 273 SingTel Optus Pty Ltd
4837 368 5068 177 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1483 6106 1007 AT&T WorldNet Services
4323 1392 1015 365 Time Warner Telecom
2386 1329 636 807 AT&T Data Communications Serv
11492 1194 133 16 Cable One
6478 1090 330 161 AT&T Worldnet Services
18566 1035 288 9 Covad Communications
6197 1032 721 510 BellSouth Network Solutions,
7011 1007 297 587 Citizens Utilities
174 974 6831 824 Cogent Communications
701 900 6542 706 UUNET Technologies, Inc.
19262 864 3119 176 Verizon Global Networks
20115 857 792 465 Charter Communications
3356 837 10906 415 Level 3 Communications, LLC
22773 835 2140 59 Cox Communications, Inc.
1239 790 2673 550 Sprint
209 741 3784 586 Qwest
5668 664 176 18 CenturyTel Internet Holdings,
6517 619 164 36 Yipes Communications, Inc.
15270 592 160 49 PaeTec.net -a division of Pae
852 585 1134 359 Telus Advanced Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 462 1900 377 UUNET - Commercial IP service
3292 407 1654 367 TDC Tele Danmark
3301 323 1458 297 TeliaNet Sweden
3320 316 6019 262 Deutsche Telekom AG
8452 283 188 7 TEDATA
9116 282 184 28 Goldenlines main autonomous s
8866 279 78 24 Bulgarian Telecommunication C
8551 276 266 40 Bezeq International
6746 272 129 251 Dynamic Network Technologies,
8708 271 420 243 Romania Data Systems S.A.
3215 270 2583 92 France Telecom Transpac
680 268 2045 254 DFN-IP service G-WiN
9155 256 43 11 QualityNet AS number
8220 242 423 228 COLT Telecommunications
3352 238 1948 40 Ibernet, Internet Access Netw
3269 231 3037 68 TELECOM ITALIA
5462 229 666 27 Telewest Broadband
3300 211 172 100 AUCS Communications Services
9121 211 1444 26 TTnet Autonomous System
1257 195 1195 178 SWIPnet Swedish IP Network
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1147 2391 217 UniNet S.A. de C.V.
11830 545 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
7303 419 204 56 Telecom Argentina Stet-France
11172 379 115 62 Servicios Alestra S.A de C.V
6471 372 85 37 ENTEL CHILE S.A.
14522 371 34 8 SatNet S.A.
22047 322 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
10620 297 81 22 TVCABLE BOGOTA
14117 286 19 15 Telefonica del Sur S.A.
6147 254 214 21 Telefonica Del Peru
7738 238 602 25 Telecomunicacoes da Bahia S.A
11556 235 128 3 Cable-Wireless Panama
28573 228 321 29 NET Servicos de Comunicao S.A
23216 225 17 47 RAMtelecom Telecomunicaciones
20299 221 33 29 NEWCOM AMERICAS
6503 216 180 85 AVANTEL, S.A.
19169 190 12 20 Telconet
21826 187 33 48 INTERCABLE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 400 60 36 LINKdotNET AS number
3741 278 869 226 The Internet Solution
20858 201 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 142 268 114 Tertiary Education Network
33783 126 9 14 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 84 84 4 Nile Online
23889 79 24 16 MAURITIUS TELECOM
2905 77 174 73 The Internetworking Company o
29571 77 13 7 Ci Telecom Autonomous system
20484 65 5 6 Yalla Online Autonomous Syste
15706 57 12 4 Sudatel Internet Exchange Aut
33774 51 37 28 AS Number for Telecom Algeria
5713 50 455 40 Telkom SA Ltd
16637 43 21 28 Johnnic e-Ventures
8524 32 2 10 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
11492 1194 1178 Cable One
4323 1392 1027 Time Warner Telecom
18566 1035 1026 Covad Communications
9498 1066 1004 BHARTI BT INTERNET LTD.
8151 1147 930 UniNet S.A. de C.V.
6478 1090 929 AT&T Worldnet Services
17488 921 840 Hathway IP Over Cable Interne
22773 835 776 Cox Communications, Inc.
19262 864 688 Verizon Global Networks
4134 978 673 CHINANET-BACKBONE
9583 1097 665 Sify Limited
5668 664 646 CenturyTel Internet Holdings,
6517 619 583 Yipes Communications, Inc.
9829 589 579 BSNL National Internet Backbo
18101 610 552 Reliance Infocom Ltd Internet
15270 592 543 PaeTec.net -a division of Pae
11830 545 536 Instituto Costarricense de El
2386 1329 522 AT&T Data Communications Serv
6197 1032 522 BellSouth Network Solutions,
19916 563 521 OLM LLC
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65068 PRIVATE 79.171.184.0/21 43895 *
65500 PRIVATE 83.142.233.0/24 20516 LuckyNet Israel
65121 PRIVATE 89.25.36.0/24 44243 *
64779 PRIVATE 124.161.4.0/23 38356 BeiJing Sincerity-ti
65201 PRIVATE 202.112.49.0/24 4538 China Education and
65201 PRIVATE 202.112.50.0/24 4538 China Education and
65201 PRIVATE 202.112.57.0/24 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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
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 /12:135
/13:271 /14:487 /15:970 /16:9743 /17:4193 /18:6891
/19:14887 /20:17046 /21:16106 /22:20178 /23:21229 /24:126450
/25:857 /26:1052 /27:545 /28:104 /29:8 /30:1
/31:0 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1184 1194 Cable One
6478 1089 1090 AT&T Worldnet Services
2386 1020 1329 AT&T Data Communications Serv
18566 1017 1035 Covad Communications
9583 942 1097 Sify Limited
7011 892 1007 Citizens Utilities
4755 865 1500 Videsh Sanchar Nigam Ltd. Aut
7018 816 1483 AT&T WorldNet Services
23577 799 808 Korea Telecom (ATM-MPLS)
6197 774 1032 BellSouth Network Solutions,
9498 752 1066 BHARTI BT INTERNET LTD.
17488 736 921 Hathway IP Over Cable Interne
4766 605 818 Korea Telecom (KIX)
4323 597 1392 Time Warner Telecom
6517 572 619 Yipes Communications, Inc.
19916 558 563 OLM LLC
15270 555 592 PaeTec.net -a division of Pae
5668 522 664 CenturyTel Internet Holdings,
4668 509 519 LG-EDS Systems Inc.
18101 504 610 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:94 12:1911 13:2 15:21 16:3
17:6 18:14 20:35 24:1019 25:1 31:1
32:61 33:4 38:370 40:69 41:435 44:2
47:8 52:3 55:3 56:3 57:21 58:498
59:411 60:389 61:987 62:1081 63:1979 64:3301
65:2348 66:3572 67:1012 68:643 69:2071 70:465
71:106 72:1463 73:7 74:803 75:270 76:172
77:490 78:392 79:62 80:898 81:789 82:572
83:374 84:565 85:829 86:367 87:600 88:291
89:1066 90:39 91:891 92:49 96:2 97:7
98:25 114:1 115:1 116:445 117:236 118:70
119:5 121:368 122:669 123:227 124:756 125:1060
128:310 129:182 130:136 131:391 132:68 133:9
134:194 135:33 136:188 137:83 138:146 139:71
140:514 141:126 142:375 143:260 144:321 145:51
146:330 147:128 148:482 149:186 150:167 151:129
152:95 153:127 154:11 155:277 156:202 157:244
158:165 159:207 160:190 161:99 162:198 163:186
164:562 165:409 166:291 167:310 168:545 169:129
170:420 171:29 172:5 173:1 189:136 190:1315
192:5732 193:4053 194:3246 195:2330 196:942 198:3804
199:3193 200:5240 201:1310 202:7466 203:7817 204:3972
205:2030 206:2404 207:2721 208:3040 209:3559 210:2534
211:1110 212:1264 213:1592 214:435 215:45 216:4092
217:1223 218:335 219:402 220:1011 221:404 222:292
End of report
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