[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jan 5 05:02:57 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 05 Jan, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 242200
Prefixes after maximum aggregation: 124007
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 118208
Total ASes present in the Internet Routing Table: 27005
Prefixes per ASN: 8.97
Origin-only ASes present in the Internet Routing Table: 23512
Origin ASes announcing only one prefix: 11444
Transit ASes present in the Internet Routing Table: 3493
Transit-only ASes present in the Internet Routing Table: 75
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: 14
Unregistered ASNs in the Routing Table: 11
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: 12
Number of addresses announced to Internet: 1799264928
Equivalent to 107 /8s, 62 /16s and 154 /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: 113778
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55901
Total APNIC prefixes after maximum aggregation: 20947
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 53413
Unique aggregates announced from the APNIC address blocks: 23736
APNIC Region origin ASes present in the Internet Routing Table: 3088
APNIC Prefixes per ASN: 17.30
APNIC Region origin ASes announcing only one prefix: 809
APNIC Region transit ASes present in the Internet Routing Table: 459
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 324705440
Equivalent to 19 /8s, 90 /16s and 156 /24s
Percentage of available APNIC address space announced: 74.3
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: 114232
Total ARIN prefixes after maximum aggregation: 65155
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 83294
Unique aggregates announced from the ARIN address blocks: 33130
ARIN Region origin ASes present in the Internet Routing Table: 12043
ARIN Prefixes per ASN: 6.92
ARIN Region origin ASes announcing only one prefix: 4634
ARIN Region transit ASes present in the Internet Routing Table: 1149
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 355905984
Equivalent to 21 /8s, 54 /16s and 177 /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: 50554
Total RIPE prefixes after maximum aggregation: 32176
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 47887
Unique aggregates announced from the RIPE address blocks: 31727
RIPE Region origin ASes present in the Internet Routing Table: 10690
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5645
RIPE Region transit ASes present in the Internet Routing Table: 1658
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 339848832
Equivalent to 20 /8s, 65 /16s and 174 /24s
Percentage of available RIPE address space announced: 77.9
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: 18140
Total LACNIC prefixes after maximum aggregation: 4608
LACNIC Deaggregation factor: 3.94
Prefixes being announced from the LACNIC address blocks: 16311
Unique aggregates announced from the LACNIC address blocks: 9002
LACNIC Region origin ASes present in the Internet Routing Table: 893
LACNIC Prefixes per ASN: 18.27
LACNIC Region origin ASes announcing only one prefix: 289
LACNIC Region transit ASes present in the Internet Routing Table: 154
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 47137792
Equivalent to 2 /8s, 207 /16s and 68 /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: 3351
Total AfriNIC prefixes after maximum aggregation: 1105
AfriNIC Deaggregation factor: 3.03
Prefixes being announced from the AfriNIC address blocks: 2500
Unique aggregates announced from the AfriNIC address blocks: 1455
AfriNIC Region origin ASes present in the Internet Routing Table: 215
AfriNIC Prefixes per ASN: 11.63
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 8214528
Equivalent to 0 /8s, 125 /16s and 88 /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 1510 383 70 Videsh Sanchar Nigam Ltd. Aut
9583 1104 82 434 Sify Limited
9498 1101 549 61 BHARTI BT INTERNET LTD.
4134 980 11601 305 CHINANET-BACKBONE
17488 944 61 82 Hathway IP Over Cable Interne
4766 827 5495 339 Korea Telecom (KIX)
23577 810 34 691 Korea Telecom (ATM-MPLS)
18101 608 120 59 Reliance Infocom Ltd Internet
4780 592 308 42 Digital United Inc.
9829 590 449 11 BSNL National Internet Backbo
1221 545 1952 421 Telstra Pty Ltd
4812 529 874 82 China Telecom (Shanghai)
4808 526 815 123 CNCGROUP IP network: China169
4668 521 68 10 LG-EDS Systems Inc.
17676 505 10919 64 Softbank BB Corp.
7545 490 147 93 TPG Internet Pty Ltd
4802 470 128 151 Wantree Development
9443 434 121 69 Primus Telecommunications
17974 400 145 17 PT TELEKOMUNIKASI INDONESIA
7474 387 202 273 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1483 6106 1006 AT&T WorldNet Services
4323 1387 1009 360 Time Warner Telecom
2386 1342 651 815 AT&T Data Communications Serv
11492 1205 134 16 Cable One
6478 1096 330 135 AT&T Worldnet Services
18566 1039 296 10 Covad Communications
7011 1010 297 590 Citizens Utilities
174 970 6832 818 Cogent Communications
6197 969 697 502 BellSouth Network Solutions,
701 899 6544 706 UUNET Technologies, Inc.
20115 858 792 466 Charter Communications
19262 856 3141 172 Verizon Global Networks
22773 838 2140 59 Cox Communications, Inc.
3356 836 10907 415 Level 3 Communications, LLC
1239 794 2672 551 Sprint
209 747 3784 595 Qwest
5668 665 177 19 CenturyTel Internet Holdings,
6140 604 109 152 ImpSat
15270 597 160 53 PaeTec.net -a division of Pae
6517 595 150 41 Yipes Communications, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 409 1654 368 TDC Tele Danmark
3301 324 1458 298 TeliaNet Sweden
3320 316 6019 262 Deutsche Telekom AG
8452 287 188 7 TEDATA
8551 277 266 40 Bezeq International
8866 276 78 24 Bulgarian Telecommunication C
6746 272 128 250 Dynamic Network Technologies,
680 270 2046 255 DFN-IP service G-WiN
3215 270 2583 92 France Telecom Transpac
8708 270 420 242 Romania Data Systems S.A.
8220 242 422 228 COLT Telecommunications
3352 238 1948 40 Ibernet, Internet Access Netw
9155 233 43 10 QualityNet AS number
3269 231 3037 68 TELECOM ITALIA
5462 229 666 27 Telewest Broadband
9116 215 184 28 Goldenlines main autonomous s
3300 211 172 100 AUCS Communications Services
9121 209 1444 25 TTnet Autonomous System
29357 199 17 4 WATANIYA TELECOM
1257 196 1195 179 SWIPnet Swedish IP Network
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1149 2390 219 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 376 85 37 ENTEL CHILE S.A.
14522 371 34 8 SatNet S.A.
22047 322 254 13 VTR PUNTO NET S.A.
10620 302 81 23 TVCABLE BOGOTA
10481 301 120 10 Prima S.A.
14117 286 19 15 Telefonica del Sur S.A.
6147 255 214 21 Telefonica Del Peru
7738 237 602 25 Telecomunicacoes da Bahia S.A
11556 235 128 3 Cable-Wireless Panama
28573 230 322 23 NET Servicos de Comunicao S.A
23216 225 17 47 RAMtelecom Telecomunicaciones
20299 220 33 29 NEWCOM AMERICAS
6503 216 180 85 AVANTEL, S.A.
19169 193 12 20 Telconet
21826 187 33 48 INTERCABLE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 402 60 36 LINKdotNET AS number
3741 284 869 226 The Internet Solution
20858 201 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 142 268 114 Tertiary Education Network
33783 139 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 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 70 5 6 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 43 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 1205 1189 Cable One
9498 1101 1040 BHARTI BT INTERNET LTD.
18566 1039 1029 Covad Communications
4323 1387 1027 Time Warner Telecom
6478 1096 961 AT&T Worldnet Services
8151 1149 930 UniNet S.A. de C.V.
17488 944 862 Hathway IP Over Cable Interne
22773 838 779 Cox Communications, Inc.
19262 856 684 Verizon Global Networks
4134 980 675 CHINANET-BACKBONE
9583 1104 670 Sify Limited
5668 665 646 CenturyTel Internet Holdings,
9829 590 579 BSNL National Internet Backbo
6517 595 554 Yipes Communications, Inc.
4780 592 550 Digital United Inc.
18101 608 549 Reliance Infocom Ltd Internet
15270 597 544 PaeTec.net -a division of Pae
11830 545 536 Instituto Costarricense de El
2386 1342 527 AT&T Data Communications Serv
19916 563 521 OLM LLC
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net
65500 PRIVATE 83.142.233.0/24 20516 *LuckyNet Israel
65101 PRIVATE 89.211.160.0/19 42298 Qatar Telecom
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
60003 RESERVED 195.164.196.0/24 8308 NASK
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
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 /12:134
/13:271 /14:488 /15:969 /16:9748 /17:4211 /18:6940
/19:14918 /20:17056 /21:16132 /22:20287 /23:21293 /24:127042
/25:871 /26:1090 /27:551 /28:102 /29:8 /30:1
/31:0 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1195 1205 Cable One
6478 1095 1096 AT&T Worldnet Services
2386 1037 1342 AT&T Data Communications Serv
18566 1020 1039 Covad Communications
9583 949 1104 Sify Limited
7011 895 1010 Citizens Utilities
4755 876 1510 Videsh Sanchar Nigam Ltd. Aut
7018 816 1483 AT&T WorldNet Services
23577 801 810 Korea Telecom (ATM-MPLS)
9498 774 1101 BHARTI BT INTERNET LTD.
17488 759 944 Hathway IP Over Cable Interne
6197 729 969 BellSouth Network Solutions,
4766 610 827 Korea Telecom (KIX)
4323 594 1387 Time Warner Telecom
6517 559 595 Yipes Communications, Inc.
15270 558 597 PaeTec.net -a division of Pae
19916 558 563 OLM LLC
5668 522 665 CenturyTel Internet Holdings,
4668 511 521 LG-EDS Systems Inc.
18101 502 608 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:96 12:1933 13:2 15:21 16:3
17:6 18:14 20:35 24:1009 25:1 31:1
32:61 33:4 38:373 40:65 41:438 44:2
47:8 52:3 55:3 56:3 57:21 58:507
59:417 60:403 61:984 62:1046 63:1982 64:3323
65:2365 66:3564 67:1013 68:642 69:2074 70:470
71:105 72:1471 73:7 74:802 75:173 76:174
77:488 78:416 79:65 80:886 81:791 82:558
83:365 84:520 85:893 86:363 87:593 88:290
89:1080 90:39 91:874 92:60 96:2 97:7
98:28 114:1 115:1 116:466 117:236 118:59
119:79 121:388 122:668 123:226 124:764 125:1059
128:311 129:187 130:130 131:389 132:68 133:9
134:187 135:34 136:197 137:84 138:150 139:90
140:500 141:129 142:374 143:264 144:321 145:51
146:336 147:128 148:482 149:188 150:115 151:129
152:95 153:127 154:11 155:279 156:200 157:244
158:165 159:210 160:192 161:99 162:199 163:189
164:562 165:413 166:290 167:310 168:553 169:129
170:426 171:28 172:3 173:1 189:138 190:1336
192:5739 193:4063 194:3246 195:2336 196:951 198:3807
199:3226 200:5337 201:1299 202:7476 203:7905 204:3966
205:2059 206:2411 207:2748 208:3079 209:3580 210:2637
211:1116 212:1262 213:1607 214:440 215:45 216:4092
217:1227 218:329 219:401 220:1006 221:407 222:295
End of report
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