[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Mar 14 05:12:24 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 14 Mar, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 282891
Prefixes after maximum aggregation: 134061
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 138798
Total ASes present in the Internet Routing Table: 30808
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 26818
Origin ASes announcing only one prefix: 13049
Transit ASes present in the Internet Routing Table: 3990
Transit-only ASes present in the Internet Routing Table: 89
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: 500
Unregistered ASNs in the Routing Table: 168
Number of 32-bit ASNs allocated by the RIRs: 128
Prefixes from 32-bit ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 237
Number of addresses announced to Internet: 2015333504
Equivalent to 120 /8s, 31 /16s and 140 /24s
Percentage of available address space announced: 54.4
Percentage of allocated address space announced: 63.6
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: 139285
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 65455
Total APNIC prefixes after maximum aggregation: 23364
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 62237
Unique aggregates announced from the APNIC address blocks: 28362
APNIC Region origin ASes present in the Internet Routing Table: 3567
APNIC Prefixes per ASN: 17.45
APNIC Region origin ASes announcing only one prefix: 966
APNIC Region transit ASes present in the Internet Routing Table: 545
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 404953248
Equivalent to 24 /8s, 35 /16s and 24 /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: 124056
Total ARIN prefixes after maximum aggregation: 65410
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 93499
Unique aggregates announced from the ARIN address blocks: 36106
ARIN Region origin ASes present in the Internet Routing Table: 12836
ARIN Prefixes per ASN: 7.28
ARIN Region origin ASes announcing only one prefix: 4935
ARIN Region transit ASes present in the Internet Routing Table: 1235
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 419494464
Equivalent to 25 /8s, 0 /16s and 250 /24s
Percentage of available ARIN address space announced: 80.7
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: 64709
Total RIPE prefixes after maximum aggregation: 37715
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 59322
Unique aggregates announced from the RIPE address blocks: 39468
RIPE Region origin ASes present in the Internet Routing Table: 12799
RIPE Prefixes per ASN: 4.63
RIPE Region origin ASes announcing only one prefix: 6723
RIPE Region transit ASes present in the Internet Routing Table: 1937
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 390950176
Equivalent to 23 /8s, 77 /16s and 109 /24s
Percentage of available RIPE address space announced: 83.2
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
40960-45055, 47104-52223
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: 23426
Total LACNIC prefixes after maximum aggregation: 5806
LACNIC Deaggregation factor: 4.03
Prefixes being announced from the LACNIC address blocks: 21599
Unique aggregates announced from the LACNIC address blocks: 11767
LACNIC Region origin ASes present in the Internet Routing Table: 1076
LACNIC Prefixes per ASN: 20.07
LACNIC Region origin ASes announcing only one prefix: 339
LACNIC Region transit ASes present in the Internet Routing Table: 176
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 61343488
Equivalent to 3 /8s, 168 /16s and 7 /24s
Percentage of available LACNIC address space announced: 60.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
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: 4777
Total AfriNIC prefixes after maximum aggregation: 1383
AfriNIC Deaggregation factor: 3.45
Prefixes being announced from the AfriNIC address blocks: 4481
Unique aggregates announced from the AfriNIC address blocks: 1338
AfriNIC Region origin ASes present in the Internet Routing Table: 285
AfriNIC Prefixes per ASN: 15.72
AfriNIC Region origin ASes announcing only one prefix: 86
AfriNIC Region transit ASes present in the Internet Routing Table: 55
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 10136064
Equivalent to 0 /8s, 154 /16s and 170 /24s
Percentage of available AfriNIC address space announced: 30.2
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 1690 6929 396 Korea Telecom (KIX)
17488 1529 119 97 Hathway IP Over Cable Interne
4755 1216 431 179 TATA Communications formerly
9583 1092 86 528 Sify Limited
4134 927 16271 367 CHINANET-BACKBONE
18101 753 198 30 Reliance Infocom Ltd Internet
7545 744 159 104 TPG Internet Pty Ltd
9498 689 297 49 BHARTI BT INTERNET LTD.
24560 675 228 175 Bharti Airtel Ltd.
9829 637 490 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 4322 3670 338 bellsouth.net, inc.
209 2846 4149 624 Qwest
4323 1795 1065 374 Time Warner Telecom
1785 1733 717 139 PaeTec Communications, Inc.
20115 1587 1430 719 Charter Communications
7018 1451 5880 1013 AT&T WorldNet Services
6478 1287 296 514 AT&T Worldnet Services
2386 1265 682 899 AT&T Data Communications Serv
11492 1194 192 12 Cable One
3356 1172 10976 443 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 1238 188 7 TEDATA
30890 447 87 201 SC Kappa Invexim SRL
3292 443 1762 389 TDC Tele Danmark
12479 403 578 6 Uni2 Autonomous System
3320 352 7081 295 Deutsche Telekom AG
3301 343 1685 308 TeliaNet Sweden
8866 337 109 22 Bulgarian Telecommunication C
3215 335 2985 109 France Telecom Transpac
29049 322 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 1444 2831 233 UniNet S.A. de C.V.
10620 826 187 99 TVCABLE BOGOTA
22047 600 302 14 VTR PUNTO NET S.A.
11830 520 294 51 Instituto Costarricense de El
7303 518 260 80 Telecom Argentina Stet-France
16814 491 31 10 NSS, S.A.
6471 440 95 32 ENTEL CHILE S.A.
11172 408 102 73 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
28573 384 514 24 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 808 75 27 LINKdotNET AS number
20858 292 34 3 This AS will be used to conne
3741 271 842 231 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 131 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
33776 118 6 3 Starcomms Nigeria Limited
5713 116 507 66 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 4322 3670 338 bellsouth.net, inc.
209 2846 4149 624 Qwest
4323 1795 1065 374 Time Warner Telecom
1785 1733 717 139 PaeTec Communications, Inc.
4766 1690 6929 396 Korea Telecom (KIX)
20115 1587 1430 719 Charter Communications
17488 1529 119 97 Hathway IP Over Cable Interne
7018 1451 5880 1013 AT&T WorldNet Services
8151 1444 2831 233 UniNet S.A. de C.V.
6478 1287 296 514 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 2846 2222 Qwest
1785 1733 1594 PaeTec Communications, Inc.
17488 1529 1432 Hathway IP Over Cable Interne
4323 1795 1421 Time Warner Telecom
4766 1690 1294 Korea Telecom (KIX)
8452 1238 1231 TEDATA
8151 1444 1211 UniNet S.A. de C.V.
11492 1194 1182 Cable One
18566 1061 1051 Covad Communications
4755 1216 1037 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 /12:163
/13:320 /14:576 /15:1132 /16:10354 /17:4622 /18:7971
/19:17011 /20:20057 /21:19757 /22:25245 /23:25252 /24:148046
/25:698 /26:867 /27:545 /28:118 /29:37 /30:9
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2804 4322 bellsouth.net, inc.
209 1574 2846 Qwest
4766 1394 1690 Korea Telecom (KIX)
17488 1300 1529 Hathway IP Over Cable Interne
8452 1217 1238 TEDATA
11492 1149 1194 Cable One
1785 1139 1733 PaeTec Communications, Inc.
18566 1042 1061 Covad Communications
2386 960 1265 AT&T Data Communications Serv
9583 944 1092 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 15:19 16:3
17:4 20:36 24:1123 32:51 38:547 40:97
41:1969 43:1 44:2 47:21 52:3 55:2
56:3 57:25 58:534 59:623 60:460 61:1103
62:1113 63:2012 64:3554 65:2421 66:3554 67:1494
68:672 69:2506 70:508 71:163 72:1665 73:2
74:1431 75:204 76:312 77:825 78:566 79:299
80:963 81:819 82:558 83:420 84:591 85:1015
86:395 87:634 88:351 89:1494 90:44 91:2049
92:273 93:1092 94:1189 95:766 96:98 97:177
98:228 99:16 109:1 110:8 112:81 113:88
114:213 115:232 116:1130 117:496 118:285 119:644
120:133 121:704 122:969 123:558 124:955 125:1285
128:220 129:225 130:135 131:410 132:74 133:9
134:183 135:39 136:236 137:144 138:146 139:78
140:415 141:105 142:390 143:329 144:331 145:41
146:373 147:148 148:512 149:237 150:142 151:201
152:151 153:135 154:11 155:267 156:167 157:295
158:131 159:234 160:281 161:137 162:270 163:145
164:518 165:517 166:274 167:357 168:666 169:162
170:478 171:39 172:10 173:241 174:145 178:1
186:10 187:46 188:7 189:314 190:2697 192:5813
193:4217 194:3321 195:2696 196:1057 198:3722 199:3306
200:5485 201:1356 202:7854 203:8069 204:3776 205:2157
206:2356 207:2807 208:3876 209:3455 210:2629 211:1116
212:1514 213:1703 214:69 215:25 216:4554 217:1264
218:365 219:408 220:1207 221:460 222:314
End of report
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