Routing Table Report 04:00 +10GMT Tue 11 Nov, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 272598
Prefixes after maximum aggregation: 131561
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 133579
Total ASes present in the Internet Routing Table: 29736
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 25882
Origin ASes announcing only one prefix: 12621
Transit ASes present in the Internet Routing Table: 3854
Transit-only ASes present in the Internet Routing Table: 87
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: 563
Unregistered ASNs in the Routing Table: 200
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: 197
Number of addresses announced to Internet: 1921673856
Equivalent to 114 /8s, 138 /16s and 106 /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: 133844
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62391
Total APNIC prefixes after maximum aggregation: 23384
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 59295
Unique aggregates announced from the APNIC address blocks: 26940
APNIC Region origin ASes present in the Internet Routing Table: 3451
APNIC Prefixes per ASN: 17.18
APNIC Region origin ASes announcing only one prefix: 934
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: 18
Number of APNIC addresses announced to Internet: 380501152
Equivalent to 22 /8s, 173 /16s and 252 /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: 123641
Total ARIN prefixes after maximum aggregation: 64803
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 93179
Unique aggregates announced from the ARIN address blocks: 35644
ARIN Region origin ASes present in the Internet Routing Table: 12573
ARIN Prefixes per ASN: 7.41
ARIN Region origin ASes announcing only one prefix: 4861
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: 369568416
Equivalent to 22 /8s, 7 /16s and 42 /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: 59623
Total RIPE prefixes after maximum aggregation: 36012
RIPE Deaggregation factor: 1.66
Prefixes being announced from the RIPE address blocks: 55307
Unique aggregates announced from the RIPE address blocks: 37093
RIPE Region origin ASes present in the Internet Routing Table: 12158
RIPE Prefixes per ASN: 4.55
RIPE Region origin ASes announcing only one prefix: 6415
RIPE Region transit ASes present in the Internet Routing Table: 1850
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 377866336
Equivalent to 22 /8s, 133 /16s and 200 /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: 22232
Total LACNIC prefixes after maximum aggregation: 5610
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 20218
Unique aggregates announced from the LACNIC address blocks: 11397
LACNIC Region origin ASes present in the Internet Routing Table: 1020
LACNIC Prefixes per ASN: 19.82
LACNIC Region origin ASes announcing only one prefix: 331
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: 57793024
Equivalent to 3 /8s, 113 /16s and 218 /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: 4160
Total AfriNIC prefixes after maximum aggregation: 1323
AfriNIC Deaggregation factor: 3.14
Prefixes being announced from the AfriNIC address blocks: 4415
Unique aggregates announced from the AfriNIC address blocks: 2165
AfriNIC Region origin ASes present in the Internet Routing Table: 262
AfriNIC Prefixes per ASN: 16.85
AfriNIC Region origin ASes announcing only one prefix: 80
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: 17
Number of AfriNIC addresses announced to Internet: 12920320
Equivalent to 0 /8s, 197 /16s and 38 /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 1408 99 107 Hathway IP Over Cable Interne
4755 1311 516 178 TATA Communications formerly
9583 1115 87 478 Sify Limited
4766 884 6409 362 Korea Telecom (KIX)
4134 880 13776 360 CHINANET-BACKBONE
23577 815 35 700 Korea Telecom (ATM-MPLS)
18101 784 161 68 Reliance Infocom Ltd Internet
4780 728 357 63 Digital United Inc.
9498 689 295 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 4357 3418 342 bellsouth.net, inc.
209 3041 4035 623 Qwest
6298 2074 326 693 Cox Communicatons
1785 1693 717 154 PaeTec Communications, Inc.
20115 1659 1452 724 Charter Communications
6478 1653 364 191 AT&T Worldnet Services
2386 1583 700 896 AT&T Data Communications Serv
4323 1576 1084 377 Time Warner Telecom
7018 1400 5868 972 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 327 7063 275 Deutsche Telekom AG
5462 300 794 27 Telewest Broadband
8452 296 188 11 TEDATA
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 670 299 9 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
10620 546 126 60 TVCABLE BOGOTA
7303 494 243 69 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 271 857 227 The Internet Solution
20858 260 34 3 EgyNet
2018 238 215 140 Tertiary Education Network
6713 144 135 11 Itissalat Al-MAGHRIB
33783 141 10 15 EEPAD TISP TELECOM & INTERNET
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 4357 3418 342 bellsouth.net, inc.
209 3041 4035 623 Qwest
6298 2074 326 693 Cox Communicatons
1785 1693 717 154 PaeTec Communications, Inc.
20115 1659 1452 724 Charter Communications
6478 1653 364 191 AT&T Worldnet Services
2386 1583 700 896 AT&T Data Communications Serv
4323 1576 1084 377 Time Warner Telecom
17488 1408 99 107 Hathway IP Over Cable Interne
7018 1400 5868 972 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 3041 2418 Qwest
1785 1693 1539 PaeTec Communications, Inc.
6478 1653 1462 AT&T Worldnet Services
6298 2074 1381 Cox Communicatons
17488 1408 1301 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 1133 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 /16:10139 /17:4429 /18:7671
/19:16496 /20:19324 /21:19044 /22:23921 /23:24786 /24:141843
/25:842 /26:1017 /27:833 /28:89 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2848 4357 bellsouth.net, inc.
6298 2048 2074 Cox Communicatons
209 1755 3041 Qwest
2386 1264 1583 AT&T Data Communications Serv
17488 1197 1408 Hathway IP Over Cable Interne
11492 1187 1210 Cable One
1785 1156 1693 PaeTec Communications, Inc.
6478 1105 1653 AT&T Worldnet Services
18566 1040 1059 Covad Communications
9583 982 1115 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:154 12:2176 13:2 15:21 16:3
17:5 20:36 24:1088 30:1 32:53 38:518
40:92 41:759 43:1 44:2 47:12 52:3
55:3 56:3 57:27 58:519 59:533 60:451
61:1035 62:1128 63:2012 64:3286 65:2409 66:3493
67:1315 68:808 69:2325 70:878 71:137 72:2032
73:7 74:1275 75:167 76:290 77:883 78:524
79:288 80:924 81:845 82:611 83:396 84:590
85:1037 86:509 87:701 88:347 89:1353 90:25
91:1667 92:273 93:882 94:344 95:4 96:85
97:129 98:385 99:15 113:40 114:116 115:144
116:1002 117:399 118:242 119:512 120:101 121:609
122:863 123:448 124:859 125:1228 128:353 129:217
130:136 131:407 132:72 133:9 134:186 135:31
136:218 137:102 138:145 139:83 140:413 141:111
142:391 143:301 144:300 145:51 146:372 147:140
148:603 149:211 150:130 151:209 152:150 153:136
154:10 155:274 156:174 157:302 158:168 159:301
160:273 161:140 162:243 163:135 164:518 165:499
166:361 167:341 168:632 169:155 170:454 171:40
172:10 173:131 174:1 187:18 188:1 189:308
190:2375 192:5822 193:4162 194:3293 195:2631 196:1023
198:3714 199:3308 200:5514 201:1460 202:7618 203:8034
204:3929 205:2181 206:2295 207:2776 208:3720 209:3429
210:2589 211:1093 212:1544 213:1635 214:69 215:25
216:4388 217:1246 218:351 219:423 220:1057 221:420
222:302
End of report