Routing Table Report 04:00 +10GMT Tue 30 Dec, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 275809
Prefixes after maximum aggregation: 131623
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 133390
Total ASes present in the Internet Routing Table: 30193
Prefixes per ASN: 9.13
Origin-only ASes present in the Internet Routing Table: 26288
Origin ASes announcing only one prefix: 12814
Transit ASes present in the Internet Routing Table: 3905
Transit-only ASes present in the Internet Routing Table: 94
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 519
Unregistered ASNs in the Routing Table: 185
Number of 32-bit ASNs allocated by the RIRs: 70
Prefixes from 32-bit ASNs in the Routing Table: 12
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 210
Number of addresses announced to Internet: 1980134944
Equivalent to 118 /8s, 6 /16s and 118 /24s
Percentage of available address space announced: 53.4
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 84.6
Percentage of address space in use by end-sites: 75.0
Total number of prefixes smaller than registry allocations: 135481
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63583
Total APNIC prefixes after maximum aggregation: 22698
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 60473
Unique aggregates announced from the APNIC address blocks: 26053
APNIC Region origin ASes present in the Internet Routing Table: 3498
APNIC Prefixes per ASN: 17.29
APNIC Region origin ASes announcing only one prefix: 960
APNIC Region transit ASes present in the Internet Routing Table: 537
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 395461792
Equivalent to 23 /8s, 146 /16s and 68 /24s
Percentage of available APNIC address space announced: 78.6
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: 123219
Total ARIN prefixes after maximum aggregation: 64761
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 92386
Unique aggregates announced from the ARIN address blocks: 35118
ARIN Region origin ASes present in the Internet Routing Table: 12676
ARIN Prefixes per ASN: 7.29
ARIN Region origin ASes announcing only one prefix: 4886
ARIN Region transit ASes present in the Internet Routing Table: 1210
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 405322784
Equivalent to 24 /8s, 40 /16s and 188 /24s
Percentage of available ARIN address space announced: 77.9
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: 61428
Total RIPE prefixes after maximum aggregation: 36737
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56992
Unique aggregates announced from the RIPE address blocks: 37973
RIPE Region origin ASes present in the Internet Routing Table: 12429
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6545
RIPE Region transit ASes present in the Internet Routing Table: 1879
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 383868512
Equivalent to 22 /8s, 225 /16s and 94 /24s
Percentage of available RIPE address space announced: 88.0
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: 23042
Total LACNIC prefixes after maximum aggregation: 5639
LACNIC Deaggregation factor: 4.09
Prefixes being announced from the LACNIC address blocks: 21079
Unique aggregates announced from the LACNIC address blocks: 11607
LACNIC Region origin ASes present in the Internet Routing Table: 1043
LACNIC Prefixes per ASN: 20.21
LACNIC Region origin ASes announcing only one prefix: 337
LACNIC Region transit ASes present in the Internet Routing Table: 168
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 59297408
Equivalent to 3 /8s, 136 /16s and 206 /24s
Percentage of available LACNIC address space announced: 58.9
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: 4036
Total AfriNIC prefixes after maximum aggregation: 1371
AfriNIC Deaggregation factor: 2.94
Prefixes being announced from the AfriNIC address blocks: 4326
Unique aggregates announced from the AfriNIC address blocks: 2180
AfriNIC Region origin ASes present in the Internet Routing Table: 275
AfriNIC Prefixes per ASN: 15.73
AfriNIC Region origin ASes announcing only one prefix: 86
AfriNIC Region transit ASes present in the Internet Routing Table: 57
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 13104128
Equivalent to 0 /8s, 199 /16s and 244 /24s
Percentage of available AfriNIC address space announced: 26.0
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
4766 1652 6410 371 Korea Telecom (KIX)
17488 1474 103 99 Hathway IP Over Cable Interne
4755 1177 475 152 TATA Communications formerly
4134 893 15961 359 CHINANET-BACKBONE
9583 891 131 66 Sify Limited
18101 781 168 31 Reliance Infocom Ltd Internet
9498 757 292 46 BHARTI BT INTERNET LTD.
4780 724 360 66 Digital United Inc.
7545 658 152 81 TPG Internet Pty Ltd
24560 647 226 166 Bharti Airtel Ltd.
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 4383 3435 345 bellsouth.net, inc.
209 2846 4032 623 Qwest
20115 1851 1473 743 Charter Communications
1785 1705 717 154 PaeTec Communications, Inc.
4323 1607 1067 379 Time Warner Telecom
2386 1585 706 897 AT&T Data Communications Serv
6478 1508 353 406 AT&T Worldnet Services
7018 1424 5872 984 AT&T WorldNet Services
11492 1230 192 12 Cable One
3356 1105 10994 431 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
3292 434 1764 383 TDC Tele Danmark
30890 391 80 203 SC Kappa Invexim SRL
12479 379 578 6 Uni2 Autonomous System
3301 336 1413 303 TeliaNet Sweden
3320 333 7065 282 Deutsche Telekom AG
8866 331 109 22 Bulgarian Telecommunication C
29049 323 26 3 AzerSat LLC.
3215 321 2856 95 France Telecom Transpac
8551 303 287 34 Bezeq International
8452 290 188 7 TEDATA
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 1402 2831 223 UniNet S.A. de C.V.
11830 671 299 9 Instituto Costarricense de El
10620 658 140 60 TVCABLE BOGOTA
22047 565 302 14 VTR PUNTO NET S.A.
7303 506 249 77 Telecom Argentina Stet-France
6471 429 86 43 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
11172 400 118 72 Servicios Alestra S.A de C.V
28573 365 491 24 NET Servicos de Comunicao S.A
7738 360 730 27 Telecomunicacoes da Bahia 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 440 72 49 LINKdotNET AS number
3741 270 857 227 The Internet Solution
20858 257 34 3 This AS will be used to conne
2018 239 215 140 Tertiary Education Network
6713 145 139 12 Itissalat Al-MAGHRIB
33783 145 10 18 EEPAD TISP TELECOM & INTERNET
29571 121 15 8 Ci Telecom Autonomous system
5536 120 8 17 Internet Egypt Network
5713 119 555 68 Telkom SA Ltd
33776 118 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 4383 3435 345 bellsouth.net, inc.
209 2846 4032 623 Qwest
20115 1851 1473 743 Charter Communications
1785 1705 717 154 PaeTec Communications, Inc.
4766 1652 6410 371 Korea Telecom (KIX)
4323 1607 1067 379 Time Warner Telecom
2386 1585 706 897 AT&T Data Communications Serv
6478 1508 353 406 AT&T Worldnet Services
17488 1474 103 99 Hathway IP Over Cable Interne
7018 1424 5872 984 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 2223 Qwest
1785 1705 1551 PaeTec Communications, Inc.
17488 1474 1375 Hathway IP Over Cable Interne
4766 1652 1281 Korea Telecom (KIX)
4323 1607 1228 Time Warner Telecom
11492 1230 1218 Cable One
8151 1402 1179 UniNet S.A. de C.V.
20115 1851 1108 Charter Communications
6478 1508 1102 AT&T Worldnet Services
18566 1060 1050 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 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.
24.142.40.0/21 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 /8:20 /9:9 /10:20 /11:54 /12:158
/13:310 /14:562 /15:1099 /16:10279 /17:4530 /18:7737
/19:16666 /20:19584 /21:19117 /22:24309 /23:24789 /24:144484
/25:649 /26:809 /27:514 /28:94 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2866 4383 bellsouth.net, inc.
209 1591 2846 Qwest
4766 1384 1652 Korea Telecom (KIX)
17488 1263 1474 Hathway IP Over Cable Interne
2386 1262 1585 AT&T Data Communications Serv
11492 1200 1230 Cable One
1785 1168 1705 PaeTec Communications, Inc.
18566 1041 1060 Covad Communications
6478 1026 1508 AT&T Worldnet Services
20115 930 1851 Charter Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:173 12:2212 13:2 15:21 16:3
17:5 20:35 24:1108 32:54 38:531 40:96
41:892 43:1 44:2 47:9 52:3 55:3
56:3 57:26 58:523 59:598 60:456 61:1108
62:1090 63:2002 64:3414 65:2447 66:3610 67:1445
68:655 69:2429 70:531 71:173 72:1589 73:7
74:1340 75:193 76:306 77:901 78:521 79:300
80:941 81:842 82:557 83:379 84:592 85:1064
86:495 87:656 88:349 89:1392 90:41 91:1802
92:303 93:1073 94:861 95:146 96:95 97:150
98:173 99:10 110:1 111:1 113:57 114:151
115:176 116:1107 117:425 118:243 119:592 120:117
121:700 122:886 123:478 124:765 125:1337 128:359
129:220 130:135 131:410 132:72 133:9 134:323
135:33 136:224 137:133 138:143 139:92 140:414
141:109 142:381 143:293 144:314 145:53 146:371
147:142 148:607 149:219 150:139 151:208 152:149
153:131 154:10 155:252 156:167 157:304 158:162
159:300 160:274 161:131 162:255 163:141 164:516
165:502 166:364 167:348 168:669 169:159 170:459
171:38 172:10 173:138 174:17 187:17 188:1
189:351 190:2562 192:5810 193:4153 194:3287 195:2657
196:1036 198:3699 199:3313 200:5567 201:1507 202:7791
203:8070 204:3919 205:2156 206:2324 207:2768 208:3783
209:3499 210:2682 211:1161 212:1539 213:1612 214:68
215:29 216:4529 217:1196 218:376 219:404 220:1234
221:406 222:293
End of report