Routing Table Report 04:00 +10GMT Mon 10 Nov, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 272846
Prefixes after maximum aggregation: 131533
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 133548
Total ASes present in the Internet Routing Table: 29727
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25886
Origin ASes announcing only one prefix: 12597
Transit ASes present in the Internet Routing Table: 3841
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 571
Unregistered ASNs in the Routing Table: 201
Number of 32-bit ASNs allocated by the RIRs: 62
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 196
Number of addresses announced to Internet: 1921512000
Equivalent to 114 /8s, 135 /16s and 242 /24s
Percentage of available address space announced: 51.8
Percentage of allocated address space announced: 62.6
Percentage of available address space allocated: 82.8
Percentage of address space in use by end-sites: 74.2
Total number of prefixes smaller than registry allocations: 134143
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62432
Total APNIC prefixes after maximum aggregation: 23412
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 59337
Unique aggregates announced from the APNIC address blocks: 26949
APNIC Region origin ASes present in the Internet Routing Table: 3453
APNIC Prefixes per ASN: 17.18
APNIC Region origin ASes announcing only one prefix: 930
APNIC Region transit ASes present in the Internet Routing Table: 533
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 380648096
Equivalent to 22 /8s, 176 /16s and 58 /24s
Percentage of available APNIC address space announced: 81.0
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, 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: 123724
Total ARIN prefixes after maximum aggregation: 64792
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 93276
Unique aggregates announced from the ARIN address blocks: 35661
ARIN Region origin ASes present in the Internet Routing Table: 12567
ARIN Prefixes per ASN: 7.42
ARIN Region origin ASes announcing only one prefix: 4852
ARIN Region transit ASes present in the Internet Routing Table: 1193
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 369571232
Equivalent to 22 /8s, 7 /16s and 53 /24s
Percentage of available ARIN address space announced: 76.0
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: 59888
Total RIPE prefixes after maximum aggregation: 36013
RIPE Deaggregation factor: 1.66
Prefixes being announced from the RIPE address blocks: 55546
Unique aggregates announced from the RIPE address blocks: 37192
RIPE Region origin ASes present in the Internet Routing Table: 12148
RIPE Prefixes per ASN: 4.57
RIPE Region origin ASes announcing only one prefix: 6393
RIPE Region transit ASes present in the Internet Routing Table: 1845
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 377901856
Equivalent to 22 /8s, 134 /16s and 83 /24s
Percentage of available RIPE address space announced: 86.6
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: 22220
Total LACNIC prefixes after maximum aggregation: 5608
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 20207
Unique aggregates announced from the LACNIC address blocks: 11333
LACNIC Region origin ASes present in the Internet Routing Table: 1027
LACNIC Prefixes per ASN: 19.68
LACNIC Region origin ASes announcing only one prefix: 340
LACNIC Region transit ASes present in the Internet Routing Table: 169
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 57803008
Equivalent to 3 /8s, 114 /16s and 1 /24s
Percentage of available LACNIC address space announced: 57.4
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: 4032
Total AfriNIC prefixes after maximum aggregation: 1279
AfriNIC Deaggregation factor: 3.15
Prefixes being announced from the AfriNIC address blocks: 4377
Unique aggregates announced from the AfriNIC address blocks: 2147
AfriNIC Region origin ASes present in the Internet Routing Table: 265
AfriNIC Prefixes per ASN: 16.52
AfriNIC Region origin ASes announcing only one prefix: 82
AfriNIC Region transit ASes present in the Internet Routing Table: 52
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12901120
Equivalent to 0 /8s, 196 /16s and 219 /24s
Percentage of available AfriNIC address space announced: 25.6
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 1409 99 102 Hathway IP Over Cable Interne
4755 1311 516 177 TATA Communications formerly
9583 1113 87 477 Sify Limited
4766 886 6409 364 Korea Telecom (KIX)
4134 880 13776 360 CHINANET-BACKBONE
23577 815 35 700 Korea Telecom (ATM-MPLS)
18101 785 161 69 Reliance Infocom Ltd Internet
4780 728 357 63 Digital United Inc.
9498 688 295 50 BHARTI BT INTERNET LTD.
4808 630 1172 143 CNCGROUP IP network: China169
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 4360 3418 343 bellsouth.net, inc.
209 3023 4034 612 Qwest
6298 2079 326 690 Cox Communicatons
1785 1691 717 152 PaeTec Communications, Inc.
20115 1660 1452 725 Charter Communications
6478 1653 364 191 AT&T Worldnet Services
2386 1586 700 898 AT&T Data Communications Serv
4323 1576 1084 377 Time Warner Telecom
7018 1402 5869 970 AT&T WorldNet Services
11492 1210 149 16 Cable One
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
3292 429 1766 381 TDC Tele Danmark
30890 348 94 188 SC Kappa Invexim SRL
3301 332 1429 303 TeliaNet Sweden
3215 331 2788 99 France Telecom Transpac
8866 331 111 23 Bulgarian Telecommunication C
3320 326 7063 275 Deutsche Telekom AG
8452 324 188 11 TEDATA
5462 300 794 27 Telewest Broadband
25233 289 44 24 Awalnet
8551 287 270 37 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 1397 2848 221 UniNet S.A. de C.V.
11830 669 299 18 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
10620 548 126 60 TVCABLE BOGOTA
7303 491 243 67 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 420 85 49 ENTEL CHILE S.A.
11172 406 118 72 Servicios Alestra S.A de C.V
28573 341 468 23 NET Servicos de Comunicao S.A
14117 330 23 9 Telefonica del Sur 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 562 73 45 LINKdotNET AS number
3741 270 856 226 The Internet Solution
20858 260 34 3 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
33783 141 10 15 EEPAD TISP TELECOM & INTERNET
2018 133 131 91 Tertiary Education Network
5536 120 8 17 Internet Egypt Network
5713 114 555 63 Telkom SA Ltd
29571 114 13 9 Ci Telecom Autonomous system
33776 109 6 3 Starcomms Nigeria Limited
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 4360 3418 343 bellsouth.net, inc.
209 3023 4034 612 Qwest
6298 2079 326 690 Cox Communicatons
1785 1691 717 152 PaeTec Communications, Inc.
20115 1660 1452 725 Charter Communications
6478 1653 364 191 AT&T Worldnet Services
2386 1586 700 898 AT&T Data Communications Serv
4323 1576 1084 377 Time Warner Telecom
17488 1409 99 102 Hathway IP Over Cable Interne
7018 1402 5869 970 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 3023 2411 Qwest
1785 1691 1539 PaeTec Communications, Inc.
6478 1653 1462 AT&T Worldnet Services
6298 2079 1389 Cox Communicatons
17488 1409 1307 Hathway IP Over Cable Interne
4323 1576 1199 Time Warner Telecom
11492 1210 1194 Cable One
8151 1397 1176 UniNet S.A. de C.V.
4755 1311 1134 TATA Communications formerly
18566 1059 1049 Covad Communications
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 3549 Global Crossing
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.
24.142.40.0/21 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/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 /8:18 /9:9 /10:18 /11:46 /12:149
/13:298 /14:539 /15:1070 /16:10136 /17:4429 /18:7670
/19:16494 /20:19339 /21:19018 /22:23895 /23:24869 /24:142055
/25:841 /26:1016 /27:832 /28:88 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2851 4360 bellsouth.net, inc.
6298 2053 2079 Cox Communicatons
209 1755 3023 Qwest
2386 1267 1586 AT&T Data Communications Serv
17488 1198 1409 Hathway IP Over Cable Interne
11492 1187 1210 Cable One
1785 1156 1691 PaeTec Communications, Inc.
6478 1105 1653 AT&T Worldnet Services
18566 1040 1059 Covad Communications
9583 980 1113 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:155 12:2174 13:2 15:21 16:3
17:5 20:36 24:1087 32:54 38:515 40:92
41:773 43:1 44:2 47:13 52:3 55:3
56:3 57:26 58:514 59:523 60:452 61:1032
62:1129 63:2007 64:3278 65:2428 66:3500 67:1316
68:807 69:2331 70:879 71:137 72:2063 73:7
74:1275 75:167 76:290 77:883 78:524 79:287
80:923 81:866 82:609 83:397 84:593 85:1033
86:509 87:705 88:347 89:1354 90:25 91:1662
92:288 93:962 94:336 95:34 96:85 97:129
98:386 99:15 113:40 114:120 115:144 116:1006
117:403 118:241 119:515 120:101 121:609 122:865
123:448 124:858 125:1226 128:353 129:217 130:136
131:407 132:72 133:9 134:183 135:31 136:224
137:102 138:145 139:83 140:412 141:111 142:391
143:302 144:301 145:52 146:372 147:140 148:603
149:211 150:130 151:208 152:150 153:136 154:10
155:267 156:174 157:302 158:168 159:299 160:273
161:140 162:236 163:135 164:518 165:507 166:361
167:341 168:615 169:155 170:454 171:40 172:10
173:131 174:1 187:18 188:1 189:309 190:2383
192:5809 193:4156 194:3286 195:2633 196:985 198:3696
199:3307 200:5537 201:1462 202:7654 203:8040 204:3926
205:2187 206:2305 207:2773 208:3719 209:3454 210:2593
211:1093 212:1538 213:1636 214:70 215:25 216:4393
217:1251 218:351 219:424 220:1059 221:419 222:302
End of report