Routing Table Report 04:00 +10GMT Mon 24 Nov, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 274977
Prefixes after maximum aggregation: 131812
Deaggregation factor: 2.09
Unique aggregates announced to Internet: 133149
Total ASes present in the Internet Routing Table: 29865
Prefixes per ASN: 9.21
Origin-only ASes present in the Internet Routing Table: 26017
Origin ASes announcing only one prefix: 12666
Transit ASes present in the Internet Routing Table: 3848
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: 194
Number of addresses announced to Internet: 1960142592
Equivalent to 116 /8s, 213 /16s and 103 /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: 135693
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62917
Total APNIC prefixes after maximum aggregation: 23349
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 59840
Unique aggregates announced from the APNIC address blocks: 26938
APNIC Region origin ASes present in the Internet Routing Table: 3469
APNIC Prefixes per ASN: 17.25
APNIC Region origin ASes announcing only one prefix: 939
APNIC Region transit ASes present in the Internet Routing Table: 532
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 385226656
Equivalent to 22 /8s, 246 /16s and 23 /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: 124417
Total ARIN prefixes after maximum aggregation: 64908
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 93724
Unique aggregates announced from the ARIN address blocks: 34805
ARIN Region origin ASes present in the Internet Routing Table: 12609
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: 1199
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 401350304
Equivalent to 23 /8s, 236 /16s and 30 /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: 60503
Total RIPE prefixes after maximum aggregation: 36188
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56114
Unique aggregates announced from the RIPE address blocks: 37400
RIPE Region origin ASes present in the Internet Routing Table: 12218
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6435
RIPE Region transit ASes present in the Internet Routing Table: 1854
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 379615072
Equivalent to 22 /8s, 160 /16s and 119 /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: 22378
Total LACNIC prefixes after maximum aggregation: 5580
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 20418
Unique aggregates announced from the LACNIC address blocks: 11404
LACNIC Region origin ASes present in the Internet Routing Table: 1031
LACNIC Prefixes per ASN: 19.80
LACNIC Region origin ASes announcing only one prefix: 339
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: 58136064
Equivalent to 3 /8s, 119 /16s and 22 /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: 4245
Total AfriNIC prefixes after maximum aggregation: 1358
AfriNIC Deaggregation factor: 3.13
Prefixes being announced from the AfriNIC address blocks: 4545
Unique aggregates announced from the AfriNIC address blocks: 2167
AfriNIC Region origin ASes present in the Internet Routing Table: 268
AfriNIC Prefixes per ASN: 16.96
AfriNIC Region origin ASes announcing only one prefix: 82
AfriNIC Region transit ASes present in the Internet Routing Table: 51
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 13009408
Equivalent to 0 /8s, 198 /16s and 130 /24s
Percentage of available AfriNIC address space announced: 25.8
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 1425 100 114 Hathway IP Over Cable Interne
4755 1185 474 155 TATA Communications formerly
9583 1151 87 481 Sify Limited
4766 1093 6409 364 Korea Telecom (KIX)
4134 905 14768 370 CHINANET-BACKBONE
23577 809 35 696 Korea Telecom (ATM-MPLS)
18101 784 167 30 Reliance Infocom Ltd Internet
4780 731 357 63 Digital United Inc.
9498 687 295 50 BHARTI BT INTERNET LTD.
7545 644 152 81 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 2993 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 1598 702 903 AT&T Data Communications Serv
4323 1589 1068 378 Time Warner Telecom
7018 1416 5871 979 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
8866 337 111 23 Bulgarian Telecommunication C
29049 337 26 3 AzerSat LLC.
8452 324 188 11 TEDATA
3320 323 7062 272 Deutsche Telekom AG
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 1395 2832 220 UniNet S.A. de C.V.
11830 671 299 9 Instituto Costarricense de El
10620 533 128 58 TVCABLE BOGOTA
22047 533 270 14 VTR PUNTO NET S.A.
7303 495 243 71 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 424 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 563 71 44 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 142 10 17 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 2993 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 1598 702 903 AT&T Data Communications Serv
4323 1589 1068 378 Time Warner Telecom
17488 1425 100 114 Hathway IP Over Cable Interne
7018 1416 5871 979 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 2993 2374 Qwest
1785 1702 1547 PaeTec Communications, Inc.
6298 2151 1518 Cox Communicatons
6478 1678 1477 AT&T Worldnet Services
17488 1425 1311 Hathway IP Over Cable Interne
4323 1589 1211 Time Warner Telecom
11492 1217 1205 Cable One
8151 1395 1175 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
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 /8:19 /9:9 /10:19 /11:54 /12:157
/13:307 /14:548 /15:1078 /16:10165 /17:4470 /18:7703
/19:16569 /20:19459 /21:19180 /22:24306 /23:24929 /24:143248
/25:846 /26:1014 /27:786 /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 1713 2993 Qwest
2386 1277 1598 AT&T Data Communications Serv
17488 1215 1425 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 24:1125 30:1 32:54
38:517 40:93 41:814 43:1 44:2 47:12
52:3 55:3 56:3 57:27 58:497 59:553
60:455 61:1040 62:1125 63:2013 64:3283 65:2435
66:3531 67:1338 68:845 69:2355 70:897 71:171
72:2085 73:7 74:1305 75:169 76:288 77:892
78:520 79:291 80:928 81:864 82:580 83:410
84:587 85:1054 86:507 87:654 88:353 89:1369
90:29 91:1691 92:308 93:977 94:677 95:29
96:90 97:137 98:395 99:15 100:1 113:40
114:129 115:154 116:1030 117:408 118:291 119:551
120:106 121:645 122:879 123:454 124:842 125:1222
128:359 129:219 130:135 131:409 132:72 133:9
134:185 135:31 136:221 137:118 138:144 139:85
140:416 141:111 142:393 143:310 144:301 145:52
146:365 147:143 148:603 149:212 150:143 151:210
152:140 153:131 154:10 155:277 156:175 157:300
158:166 159:297 160:273 161:132 162:249 163:135
164:517 165:508 166:363 167:339 168:646 169:155
170:457 171:40 172:10 173:141 174:5 187:18
188:1 189:324 190:2402 192:5826 193:4133 194:3288
195:2616 196:1025 198:3713 199:3292 200:5516 201:1477
202:7643 203:8055 204:3937 205:2189 206:2298 207:2775
208:3740 209:3442 210:2622 211:1124 212:1548 213:1656
214:70 215:25 216:4388 217:1232 218:352 219:411
220:1078 221:439 222:308
End of report