Routing Table Report 00:00 GMT Fri 28 Nov, 2008
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary
----------------
BGP routing table entries examined: 278396
Prefixes after maximum aggregation: 133524
Deaggregation factor: 2.08
Unique aggregates announced to Internet: 133490
Total ASes present in the Internet Routing Table: 30022
Prefixes per ASN: 9.27
Origin-only ASes present in the Internet Routing Table: 25999
Origin ASes announcing only one prefix: 12715
Transit ASes present in the Internet Routing Table: 4023
Transit-only ASes present in the Internet Routing Table: 97
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 25
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 541
Unregistered ASNs in the Routing Table: 202
Number of 32-bit ASNs allocated by the RIRs: 65
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 200
Number of addresses announced to Internet: 1965680540
Equivalent to 117 /8s, 41 /16s and 231 /24s
Percentage of available address space announced: 53.0
Percentage of allocated address space announced: 63.4
Percentage of available address space allocated: 83.7
Percentage of address space in use by end-sites: 74.5
Total number of prefixes smaller than registry allocations: 138318
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63125
Total APNIC prefixes after maximum aggregation: 23384
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 60059
Unique aggregates announced from the APNIC address blocks: 27142
APNIC Region origin ASes present in the Internet Routing Table: 3472
APNIC Prefixes per ASN: 17.30
APNIC Region origin ASes announcing only one prefix: 942
APNIC Region transit ASes present in the Internet Routing Table: 538
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 388590880
Equivalent to 23 /8s, 41 /16s and 109 /24s
Percentage of available APNIC address space announced: 77.2
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: 124950
Total ARIN prefixes after maximum aggregation: 66426
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 93368
Unique aggregates announced from the ARIN address blocks: 34785
ARIN Region origin ASes present in the Internet Routing Table: 12678
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4902
ARIN Region transit ASes present in the Internet Routing Table: 1272
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 402046977
Equivalent to 23 /8s, 246 /16s and 192 /24s
Percentage of available ARIN address space announced: 82.6
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, 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, 173/8, 174/8,
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: 61366
Total RIPE prefixes after maximum aggregation: 36372
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 57367
Unique aggregates announced from the RIPE address blocks: 37436
RIPE Region origin ASes present in the Internet Routing Table: 12276
RIPE Prefixes per ASN: 4.67
RIPE Region origin ASes announcing only one prefix: 6453
RIPE Region transit ASes present in the Internet Routing Table: 1919
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 380512999
Equivalent to 22 /8s, 174 /16s and 42 /24s
Percentage of available RIPE address space announced: 87.2
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, 47104-49151
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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 24243
Total LACNIC prefixes after maximum aggregation: 5563
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 22288
Unique aggregates announced from the LACNIC address blocks: 11452
LACNIC Region origin ASes present in the Internet Routing Table: 1041
LACNIC Prefixes per ASN: 21.41
LACNIC Region origin ASes announcing only one prefix: 334
LACNIC Region transit ASes present in the Internet Routing Table: 172
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 58460430
Equivalent to 3 /8s, 124 /16s and 9 /24s
Percentage of available LACNIC address space announced: 58.1
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: 4180
Total AfriNIC prefixes after maximum aggregation: 1347
AfriNIC Deaggregation factor: 3.10
Prefixes being announced from the AfriNIC address blocks: 4464
Unique aggregates announced from the AfriNIC address blocks: 2195
AfriNIC Region origin ASes present in the Internet Routing Table: 271
AfriNIC Prefixes per ASN: 16.47
AfriNIC Region origin ASes announcing only one prefix: 84
AfriNIC Region transit ASes present in the Internet Routing Table: 57
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC addresses announced to Internet: 13034880
Equivalent to 0 /8s, 198 /16s and 229 /24s
Percentage of available AfriNIC address space announced: 25.9
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
17488 1441 101 110 Hathway IP Over Cable Interne
4766 1157 6409 366 Korea Telecom (KIX)
9583 1135 88 482 Sify Limited
4755 1113 434 161 Videsh Sanchar Nigam Ltd. Aut
4134 887 15536 371 CHINANET-BACKBONE
18101 785 168 31 Reliance Infocom Ltd Internet
23577 768 33 688 Korea Telecom (ATM-MPLS)
9498 692 295 50 BHARTI BT INTERNET LTD.
7545 648 152 83 TPG Internet Pty Ltd
24560 625 193 160 Bharti Airtel Ltd.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4364 3419 338 bellsouth.net, inc.
6298 2173 335 633 Cox Communicatons
20115 1841 1460 737 Charter Communications
1785 1703 717 154 AppliedTheory Corporation
6478 1608 368 198 AT&T Worldnet Services
2386 1594 686 909 AT&T Data Communications Serv
4323 1591 1050 376 Time Warner Telecom
7018 1410 9910 967 AT&T WorldNet Services
1803 1329 7 1064 SPRINT
11492 1219 192 12 Cable One
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 438 1765 382 TDC Tele Danmark
12479 371 578 6 Uni2 Autonomous System
30890 369 80 196 SC Kappa Invexim SRL
3301 338 1429 307 TeliaNet Sweden
29049 331 26 3 AzerSat LLC.
8866 330 109 22 Bulgarian Telecommunication C
3320 326 7063 274 Deutsche Telekom AG
3215 314 2776 97 France Telecom Transpac
8452 311 188 11 TEDATA
8551 304 286 37 Bezeq International
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7303 1750 244 73 Telecom Argentina Stet-France
8151 1375 2797 208 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 552 270 14 VTR PUNTO NET S.A.
10620 534 121 43 TVCABLE BOGOTA
6471 426 88 51 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
11172 400 86 70 Servicios Alestra S.A de C.V
16735 377 92 9 Companhia de Telecomunicacoes
7738 373 730 27 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 513 72 46 LINKdotNET AS number
3741 269 857 226 The Internet Solution
20858 262 34 3 EgyNet
2018 239 215 140 Tertiary Education Network
29571 149 15 9 Ci Telecom Autonomous system
33783 143 10 17 EEPAD TISP TELECOM & INTERNET
6713 137 135 11 Itissalat Al-MAGHRIB
5536 120 8 17 Internet Egypt Network
5713 119 555 68 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4364 3419 338 bellsouth.net, inc.
6298 2173 335 633 Cox Communicatons
20115 1841 1460 737 Charter Communications
7303 1750 244 73 Telecom Argentina Stet-France
1785 1703 717 154 AppliedTheory Corporation
6478 1608 368 198 AT&T Worldnet Services
2386 1594 686 909 AT&T Data Communications Serv
4323 1591 1050 376 Time Warner Telecom
17488 1441 101 110 Hathway IP Over Cable Interne
7018 1410 9910 967 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7303 1750 1677 Telecom Argentina Stet-France
1785 1703 1549 AppliedTheory Corporation
6298 2173 1540 Cox Communicatons
6478 1608 1410 AT&T Worldnet Services
17488 1441 1331 Hathway IP Over Cable Interne
4323 1591 1215 Time Warner Telecom
11492 1219 1207 Cable One
8151 1375 1167 UniNet S.A. de C.V.
20115 1841 1104 Charter Communications
18566 1059 1049 Covad Communications
Complete listing at http://thyme.apnic.net/rviews/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 3549 Global Crossing
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.29.246.47/32 286 KPNQwest Backbone AS
10.29.246.48/32 286 KPNQwest Backbone AS
10.29.248.65/32 286 KPNQwest Backbone AS
10.29.248.71/32 286 KPNQwest Backbone AS
192.168.192.0/21 7497 Computer Network Information
Complete listing at http://thyme.apnic.net/rviews/data-dsua
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.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 22555 Universal Talkware Corporatio
Complete listing at http://thyme.apnic.net/rviews/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 /9:9 /10:19 /11:56 /12:162
/13:316 /14:553 /15:1087 /16:10218 /17:4495 /18:7671
/19:16421 /20:19330 /21:19028 /22:24830 /23:25298 /24:145443
/25:660 /26:743 /27:380 /28:806 /29:402 /30:189
/31:0 /32:261
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2854 4364 bellsouth.net, inc.
6298 2147 2173 Cox Communicatons
1803 1308 1329 SPRINT
7303 1286 1750 Telecom Argentina Stet-France
2386 1274 1594 AT&T Data Communications Serv
17488 1231 1441 Hathway IP Over Cable Interne
11492 1194 1219 Cable One
1785 1164 1703 AppliedTheory Corporation
6478 1106 1608 AT&T Worldnet Services
18566 1040 1059 Covad Communications
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:163 12:2201 13:2 15:21 16:3
17:5 20:36 24:1140 32:138 38:519 40:93
41:817 43:1 44:2 47:12 52:3 55:3
56:3 57:48 58:505 59:557 60:456 61:1062
62:1187 63:1939 64:3366 65:2433 66:3589 67:1366
68:851 69:2367 70:898 71:171 72:2103 73:7
74:1315 75:172 76:290 77:898 78:523 79:287
80:940 81:857 82:599 83:411 84:588 85:1054
86:507 87:669 88:351 89:1362 90:29 91:1726
92:321 93:1014 94:698 95:49 96:92 97:138
98:403 99:9 100:1 113:41 114:134 115:163
116:1058 117:414 118:265 119:553 120:106 121:665
122:894 123:460 124:848 125:1245 128:358 129:219
130:136 131:411 132:72 133:9 134:187 135:31
136:223 137:117 138:144 139:93 140:428 141:111
142:369 143:305 144:308 145:52 146:373 147:143
148:604 149:288 150:143 151:210 152:140 153:138
154:10 155:276 156:164 157:302 158:169 159:298
160:273 161:132 162:251 163:133 164:517 165:524
166:361 167:341 168:650 169:155 170:484 171:40
172:10 173:126 174:7 187:18 188:1 189:379
190:2692 192:5861 193:4259 194:3395 195:2700 196:1026
198:3719 199:3319 200:5854 201:1614 202:7804 203:7916
204:3920 205:2189 206:2318 207:2737 208:3785 209:3478
210:2570 211:1165 212:1561 213:1684 214:70 215:25
216:4434 217:1245 218:368 219:410 220:1095 221:456
222:313
End of report