Routing Table Report 04:00 +10GMT Sun 23 Nov, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 274972
Prefixes after maximum aggregation: 131788
Deaggregation factor: 2.09
Unique aggregates announced to Internet: 133089
Total ASes present in the Internet Routing Table: 29863
Prefixes per ASN: 9.21
Origin-only ASes present in the Internet Routing Table: 26014
Origin ASes announcing only one prefix: 12666
Transit ASes present in the Internet Routing Table: 3849
Transit-only ASes present in the Internet Routing Table: 86
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 19
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 539
Unregistered ASNs in the Routing Table: 196
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: 0
Prefixes being announced from unallocated address space: 199
Number of addresses announced to Internet: 1960132608
Equivalent to 116 /8s, 213 /16s and 64 /24s
Percentage of available address space announced: 52.9
Percentage of allocated address space announced: 63.2
Percentage of available address space allocated: 83.7
Percentage of address space in use by end-sites: 74.4
Total number of prefixes smaller than registry allocations: 135754
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62902
Total APNIC prefixes after maximum aggregation: 23337
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 59816
Unique aggregates announced from the APNIC address blocks: 26894
APNIC Region origin ASes present in the Internet Routing Table: 3471
APNIC Prefixes per ASN: 17.23
APNIC Region origin ASes announcing only one prefix: 939
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: 19
Number of APNIC addresses announced to Internet: 385250976
Equivalent to 22 /8s, 246 /16s and 118 /24s
Percentage of available APNIC address space announced: 76.5
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: 124369
Total ARIN prefixes after maximum aggregation: 64886
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 93700
Unique aggregates announced from the ARIN address blocks: 34788
ARIN Region origin ASes present in the Internet Routing Table: 12605
ARIN Prefixes per ASN: 7.43
ARIN Region origin ASes announcing only one prefix: 4871
ARIN Region transit ASes present in the Internet Routing Table: 1196
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 401287328
Equivalent to 23 /8s, 235 /16s and 40 /24s
Percentage of available ARIN address space announced: 82.5
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: 60491
Total RIPE prefixes after maximum aggregation: 36191
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56093
Unique aggregates announced from the RIPE address blocks: 37407
RIPE Region origin ASes present in the Internet Routing Table: 12215
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6436
RIPE Region transit ASes present in the Internet Routing Table: 1856
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 379535712
Equivalent to 22 /8s, 159 /16s and 65 /24s
Percentage of available RIPE address space announced: 87.0
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: 22425
Total LACNIC prefixes after maximum aggregation: 5588
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 20454
Unique aggregates announced from the LACNIC address blocks: 11396
LACNIC Region origin ASes present in the Internet Routing Table: 1033
LACNIC Prefixes per ASN: 19.80
LACNIC Region origin ASes announcing only one prefix: 338
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: 58148608
Equivalent to 3 /8s, 119 /16s and 71 /24s
Percentage of available LACNIC address space announced: 57.8
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: 4268
Total AfriNIC prefixes after maximum aggregation: 1357
AfriNIC Deaggregation factor: 3.15
Prefixes being announced from the AfriNIC address blocks: 4571
Unique aggregates announced from the AfriNIC address blocks: 2168
AfriNIC Region origin ASes present in the Internet Routing Table: 269
AfriNIC Prefixes per ASN: 16.99
AfriNIC Region origin ASes announcing only one prefix: 82
AfriNIC Region transit ASes present in the Internet Routing Table: 53
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12954368
Equivalent to 0 /8s, 197 /16s and 171 /24s
Percentage of available AfriNIC address space announced: 25.7
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 1424 100 114 Hathway IP Over Cable Interne
4755 1185 474 155 TATA Communications formerly
9583 1151 87 481 Sify Limited
4766 1088 6409 363 Korea Telecom (KIX)
4134 905 14768 370 CHINANET-BACKBONE
23577 809 35 696 Korea Telecom (ATM-MPLS)
18101 785 167 31 Reliance Infocom Ltd Internet
4780 731 357 63 Digital United Inc.
9498 686 295 50 BHARTI BT INTERNET LTD.
7545 641 152 79 TPG Internet Pty 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 4373 3434 344 bellsouth.net, inc.
209 2996 4032 619 Qwest
6298 2151 333 633 Cox Communicatons
20115 1841 1461 735 Charter Communications
1785 1702 717 155 PaeTec Communications, Inc.
6478 1678 369 201 AT&T Worldnet Services
2386 1593 691 898 AT&T Data Communications Serv
4323 1587 1068 376 Time Warner Telecom
7018 1411 5871 976 AT&T WorldNet Services
11492 1217 192 12 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 431 1766 382 TDC Tele Danmark
12479 370 578 6 Uni2 Autonomous System
30890 366 95 188 SC Kappa Invexim SRL
3301 338 1429 307 TeliaNet Sweden
29049 338 26 3 AzerSat LLC.
8866 337 111 23 Bulgarian Telecommunication C
3320 323 7062 272 Deutsche Telekom AG
8452 323 188 11 TEDATA
3215 316 2788 99 France Telecom Transpac
8551 303 286 36 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 1394 2832 221 UniNet S.A. de C.V.
11830 671 299 9 Instituto Costarricense de El
10620 568 128 51 TVCABLE BOGOTA
22047 533 270 14 VTR PUNTO NET S.A.
7303 496 244 71 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 425 88 50 ENTEL CHILE S.A.
11172 402 118 72 Servicios Alestra S.A de C.V
28573 347 469 24 NET Servicos de Comunicao S.A
14117 331 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 71 46 LINKdotNET AS number
3741 271 857 227 The Internet Solution
20858 261 34 3 EgyNet
2018 239 215 139 Tertiary Education Network
29571 147 13 8 Ci Telecom Autonomous system
6713 144 135 11 Itissalat Al-MAGHRIB
33783 141 10 16 EEPAD TISP TELECOM & INTERNET
5713 121 555 70 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
33776 116 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 4373 3434 344 bellsouth.net, inc.
209 2996 4032 619 Qwest
6298 2151 333 633 Cox Communicatons
20115 1841 1461 735 Charter Communications
1785 1702 717 155 PaeTec Communications, Inc.
6478 1678 369 201 AT&T Worldnet Services
2386 1593 691 898 AT&T Data Communications Serv
4323 1587 1068 376 Time Warner Telecom
17488 1424 100 114 Hathway IP Over Cable Interne
7018 1411 5871 976 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 2996 2377 Qwest
1785 1702 1547 PaeTec Communications, Inc.
6298 2151 1518 Cox Communicatons
6478 1678 1477 AT&T Worldnet Services
17488 1424 1310 Hathway IP Over Cable Interne
4323 1587 1211 Time Warner Telecom
11492 1217 1205 Cable One
8151 1394 1173 UniNet S.A. de C.V.
20115 1841 1106 Charter Communications
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
41.187.0.0/16 20928 Noor Advanced Technologies AS
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
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 /9:9 /10:19 /11:54 /12:157
/13:307 /14:548 /15:1078 /16:10166 /17:4468 /18:7702
/19:16572 /20:19457 /21:19172 /22:24318 /23:24950 /24:143209
/25:850 /26:1017 /27:789 /28:94 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2858 4373 bellsouth.net, inc.
6298 2125 2151 Cox Communicatons
209 1716 2996 Qwest
2386 1275 1593 AT&T Data Communications Serv
17488 1214 1424 Hathway IP Over Cable Interne
11492 1192 1217 Cable One
1785 1162 1702 PaeTec Communications, Inc.
6478 1106 1678 AT&T Worldnet Services
18566 1040 1059 Covad Communications
9583 1017 1151 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:12 8:159 12:2178 13:2 15:21
16:3 17:5 20:36 24:1124 30:1 32:54
38:517 40:92 41:814 43:1 44:2 47:12
52:3 55:3 56:3 57:27 58:497 59:553
60:455 61:1039 62:1132 63:2011 64:3285 65:2434
66:3532 67:1337 68:845 69:2356 70:897 71:171
72:2086 73:7 74:1304 75:169 76:288 77:891
78:518 79:290 80:932 81:864 82:583 83:410
84:587 85:1049 86:508 87:655 88:349 89:1368
90:29 91:1682 92:308 93:975 94:676 95:29
96:90 97:137 98:395 99:15 100:1 113:40
114:128 115:154 116:1034 117:407 118:291 119:551
120:106 121:645 122:879 123:454 124:842 125:1222
128:359 129:219 130:135 131:407 132:72 133:9
134:187 135:31 136:222 137:118 138:143 139:85
140:416 141:111 142:393 143:310 144:301 145:52
146:373 147:143 148:601 149:212 150:143 151:210
152:140 153:131 154:10 155:277 156:175 157:301
158:168 159:297 160:273 161:132 162:249 163:135
164:517 165:509 166:363 167:339 168:646 169:155
170:455 171:40 172:10 173:141 174:5 187:18
188:1 189:326 190:2418 192:5821 193:4130 194:3288
195:2625 196:1024 198:3712 199:3289 200:5507 201:1477
202:7636 203:8033 204:3937 205:2181 206:2297 207:2777
208:3733 209:3443 210:2625 211:1123 212:1547 213:1655
214:70 215:25 216:4388 217:1235 218:352 219:411
220:1077 221:438 222:308
End of report