[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Mar 7 05:16:11 EST 2009
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 07 Mar, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 282074
Prefixes after maximum aggregation: 133839
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 138127
Total ASes present in the Internet Routing Table: 30765
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 26774
Origin ASes announcing only one prefix: 13039
Transit ASes present in the Internet Routing Table: 3991
Transit-only ASes present in the Internet Routing Table: 90
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (18678) 21
Prefixes from unregistered ASNs in the Routing Table: 497
Unregistered ASNs in the Routing Table: 167
Number of 32-bit ASNs allocated by the RIRs: 116
Prefixes from 32-bit ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 216
Number of addresses announced to Internet: 2012808064
Equivalent to 119 /8s, 249 /16s and 3 /24s
Percentage of available address space announced: 54.3
Percentage of allocated address space announced: 63.5
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 76.0
Total number of prefixes smaller than registry allocations: 138822
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 65026
Total APNIC prefixes after maximum aggregation: 23342
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 61870
Unique aggregates announced from the APNIC address blocks: 28110
APNIC Region origin ASes present in the Internet Routing Table: 3557
APNIC Prefixes per ASN: 17.39
APNIC Region origin ASes announcing only one prefix: 961
APNIC Region transit ASes present in the Internet Routing Table: 543
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 405211808
Equivalent to 24 /8s, 39 /16s and 10 /24s
Percentage of available APNIC address space announced: 80.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 110/8, 111/8, 112/8,
113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8,
120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8,
202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8,
221/8, 222/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 124101
Total ARIN prefixes after maximum aggregation: 65393
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 93432
Unique aggregates announced from the ARIN address blocks: 36029
ARIN Region origin ASes present in the Internet Routing Table: 12837
ARIN Prefixes per ASN: 7.28
ARIN Region origin ASes announcing only one prefix: 4937
ARIN Region transit ASes present in the Internet Routing Table: 1239
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 417006400
Equivalent to 24 /8s, 219 /16s and 3 /24s
Percentage of available ARIN address space announced: 80.2
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, 46080-47103
ARIN Address Blocks 24/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 64239
Total RIPE prefixes after maximum aggregation: 37596
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 58840
Unique aggregates announced from the RIPE address blocks: 39192
RIPE Region origin ASes present in the Internet Routing Table: 12763
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 6710
RIPE Region transit ASes present in the Internet Routing Table: 1929
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 390554912
Equivalent to 23 /8s, 71 /16s and 101 /24s
Percentage of available RIPE address space announced: 83.1
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, 47104-49151
RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 23498
Total LACNIC prefixes after maximum aggregation: 5752
LACNIC Deaggregation factor: 4.09
Prefixes being announced from the LACNIC address blocks: 21672
Unique aggregates announced from the LACNIC address blocks: 11739
LACNIC Region origin ASes present in the Internet Routing Table: 1078
LACNIC Prefixes per ASN: 20.10
LACNIC Region origin ASes announcing only one prefix: 346
LACNIC Region transit ASes present in the Internet Routing Table: 178
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 61303808
Equivalent to 3 /8s, 167 /16s and 108 /24s
Percentage of available LACNIC address space announced: 60.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 4746
Total AfriNIC prefixes after maximum aggregation: 1375
AfriNIC Deaggregation factor: 3.45
Prefixes being announced from the AfriNIC address blocks: 4456
Unique aggregates announced from the AfriNIC address blocks: 1334
AfriNIC Region origin ASes present in the Internet Routing Table: 284
AfriNIC Prefixes per ASN: 15.69
AfriNIC Region origin ASes announcing only one prefix: 85
AfriNIC Region transit ASes present in the Internet Routing Table: 58
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 10109184
Equivalent to 0 /8s, 154 /16s and 65 /24s
Percentage of available AfriNIC address space announced: 30.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1689 6928 396 Korea Telecom (KIX)
17488 1527 119 96 Hathway IP Over Cable Interne
4755 1212 430 183 TATA Communications formerly
9583 1097 87 528 Sify Limited
4134 927 16271 367 CHINANET-BACKBONE
18101 750 198 29 Reliance Infocom Ltd Internet
7545 733 158 100 TPG Internet Pty Ltd
9498 690 297 51 BHARTI BT INTERNET LTD.
24560 675 228 174 Bharti Airtel Ltd.
9829 636 490 21 BSNL National Internet Backbo
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4363 3686 339 bellsouth.net, inc.
209 2837 4149 619 Qwest
4323 1780 1081 376 Time Warner Telecom
1785 1724 717 137 PaeTec Communications, Inc.
20115 1586 1429 718 Charter Communications
7018 1444 5880 1007 AT&T WorldNet Services
6478 1277 296 523 AT&T Worldnet Services
2386 1266 681 900 AT&T Data Communications Serv
11492 1191 192 12 Cable One
3356 1159 10976 444 Level 3 Communications, LLC
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1236 188 7 TEDATA
3292 444 1762 389 TDC Tele Danmark
30890 444 87 200 SC Kappa Invexim SRL
12479 402 578 6 Uni2 Autonomous System
3320 350 7081 293 Deutsche Telekom AG
3301 341 1685 306 TeliaNet Sweden
8866 337 109 22 Bulgarian Telecommunication C
3215 335 2986 104 France Telecom Transpac
29049 328 26 3 AzerSat LLC.
8551 313 288 40 Bezeq International
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1441 2831 230 UniNet S.A. de C.V.
10620 811 181 97 TVCABLE BOGOTA
11830 701 299 9 Instituto Costarricense de El
22047 608 302 14 VTR PUNTO NET S.A.
7303 515 257 79 Telecom Argentina Stet-France
16814 491 31 10 NSS, S.A.
6471 440 95 32 ENTEL CHILE S.A.
11172 406 118 74 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
28573 378 506 23 NET Servicos de Comunicao S.A
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 805 75 26 LINKdotNET AS number
20858 292 34 3 This AS will be used to conne
3741 271 857 229 The Internet Solution
2018 241 215 141 Tertiary Education Network
6713 159 150 15 Itissalat Al-MAGHRIB
33783 150 10 8 EEPAD TISP TELECOM & INTERNET
29571 130 15 8 Ci Telecom Autonomous system
5536 122 8 14 Internet Egypt Network
33776 118 6 3 Starcomms Nigeria Limited
5713 117 523 65 Telkom SA Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4363 3686 339 bellsouth.net, inc.
209 2837 4149 619 Qwest
4323 1780 1081 376 Time Warner Telecom
1785 1724 717 137 PaeTec Communications, Inc.
4766 1689 6928 396 Korea Telecom (KIX)
20115 1586 1429 718 Charter Communications
17488 1527 119 96 Hathway IP Over Cable Interne
7018 1444 5880 1007 AT&T WorldNet Services
8151 1441 2831 230 UniNet S.A. de C.V.
6478 1277 296 523 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2837 2218 Qwest
1785 1724 1587 PaeTec Communications, Inc.
17488 1527 1431 Hathway IP Over Cable Interne
4323 1780 1404 Time Warner Telecom
4766 1689 1293 Korea Telecom (KIX)
8452 1236 1229 TEDATA
8151 1441 1211 UniNet S.A. de C.V.
11492 1191 1179 Cable One
18566 1061 1051 Covad Communications
4755 1212 1029 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.220.16.0/20 8668 TelOne Zimbabwe P/L
41.223.112.0/22 5713 Telkom SA Ltd
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
Complete listing at http://thyme.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:10 /10:20 /11:55 /12:162
/13:319 /14:573 /15:1126 /16:10354 /17:4599 /18:7941
/19:16956 /20:20029 /21:19749 /22:25161 /23:25173 /24:147558
/25:702 /26:860 /27:584 /28:106 /29:8 /30:3
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2841 4363 bellsouth.net, inc.
209 1572 2837 Qwest
4766 1394 1689 Korea Telecom (KIX)
17488 1296 1527 Hathway IP Over Cable Interne
8452 1215 1236 TEDATA
11492 1148 1191 Cable One
1785 1131 1724 PaeTec Communications, Inc.
18566 1042 1061 Covad Communications
2386 959 1266 AT&T Data Communications Serv
9583 949 1097 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:171 12:2199 13:2 15:20 16:3
17:4 20:35 24:1116 32:51 38:541 40:97
41:1966 43:1 44:2 47:19 52:3 55:2
56:3 57:25 58:534 59:623 60:460 61:1103
62:1102 63:2004 64:3537 65:2426 66:3546 67:1479
68:663 69:2493 70:510 71:157 72:1629 73:2
74:1431 75:201 76:310 77:811 78:564 79:325
80:969 81:847 82:555 83:420 84:590 85:1012
86:397 87:626 88:348 89:1389 90:42 91:2020
92:271 93:1159 94:1166 95:557 96:97 97:181
98:229 99:16 109:1 110:8 112:75 113:82
114:203 115:230 116:1120 117:493 118:287 119:601
120:133 121:706 122:965 123:542 124:941 125:1286
128:220 129:224 130:135 131:413 132:74 133:9
134:336 135:38 136:223 137:142 138:145 139:79
140:417 141:109 142:391 143:321 144:326 145:40
146:369 147:150 148:510 149:231 150:141 151:201
152:151 153:134 154:10 155:263 156:170 157:294
158:131 159:243 160:281 161:138 162:269 163:145
164:519 165:523 166:274 167:357 168:664 169:163
170:476 171:39 172:10 173:239 174:134 178:1
186:9 187:43 188:6 189:308 190:2680 192:5814
193:4219 194:3326 195:2714 196:1057 198:3713 199:3301
200:5483 201:1516 202:7794 203:8037 204:3776 205:2160
206:2347 207:2823 208:3880 209:3462 210:2641 211:1120
212:1493 213:1708 214:69 215:24 216:4558 217:1232
218:366 219:399 220:1204 221:341 222:316
End of report
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