Routing Table Report 04:00 +10GMT Mon 09 Feb, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 278717
Prefixes after maximum aggregation: 132768
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 136550
Total ASes present in the Internet Routing Table: 30502
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 26529
Origin ASes announcing only one prefix: 12917
Transit ASes present in the Internet Routing Table: 3973
Transit-only ASes present in the Internet Routing Table: 97
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN (12445) 18
Prefixes from unregistered ASNs in the Routing Table: 529
Unregistered ASNs in the Routing Table: 180
Number of 32-bit ASNs allocated by the RIRs: 96
Prefixes from 32-bit ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 218
Number of addresses announced to Internet: 1996528160
Equivalent to 119 /8s, 0 /16s and 154 /24s
Percentage of available address space announced: 53.9
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 75.5
Total number of prefixes smaller than registry allocations: 136655
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 64213
Total APNIC prefixes after maximum aggregation: 22978
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 61050
Unique aggregates announced from the APNIC address blocks: 27634
APNIC Region origin ASes present in the Internet Routing Table: 3523
APNIC Prefixes per ASN: 17.33
APNIC Region origin ASes announcing only one prefix: 952
APNIC Region transit ASes present in the Internet Routing Table: 550
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 397532320
Equivalent to 23 /8s, 177 /16s and 220 /24s
Percentage of available APNIC address space announced: 79.0
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, 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: 123291
Total ARIN prefixes after maximum aggregation: 65148
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 92833
Unique aggregates announced from the ARIN address blocks: 35487
ARIN Region origin ASes present in the Internet Routing Table: 12756
ARIN Prefixes per ASN: 7.28
ARIN Region origin ASes announcing only one prefix: 4904
ARIN Region transit ASes present in the Internet Routing Table: 1225
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 414200608
Equivalent to 24 /8s, 176 /16s and 51 /24s
Percentage of available ARIN address space announced: 79.6
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: 62976
Total RIPE prefixes after maximum aggregation: 37155
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 57807
Unique aggregates announced from the RIPE address blocks: 38582
RIPE Region origin ASes present in the Internet Routing Table: 12621
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 6641
RIPE Region transit ASes present in the Internet Routing Table: 1919
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 388068192
Equivalent to 23 /8s, 33 /16s and 115 /24s
Percentage of available RIPE address space announced: 82.6
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, 109/8,
178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 23295
Total LACNIC prefixes after maximum aggregation: 5702
LACNIC Deaggregation factor: 4.09
Prefixes being announced from the LACNIC address blocks: 21466
Unique aggregates announced from the LACNIC address blocks: 11854
LACNIC Region origin ASes present in the Internet Routing Table: 1063
LACNIC Prefixes per ASN: 20.19
LACNIC Region origin ASes announcing only one prefix: 338
LACNIC Region transit ASes present in the Internet Routing Table: 177
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 60555392
Equivalent to 3 /8s, 156 /16s and 0 /24s
Percentage of available LACNIC address space announced: 60.2
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: 4445
Total AfriNIC prefixes after maximum aggregation: 1376
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4000
Unique aggregates announced from the AfriNIC address blocks: 1381
AfriNIC Region origin ASes present in the Internet Routing Table: 276
AfriNIC Prefixes per ASN: 14.49
AfriNIC Region origin ASes announcing only one prefix: 82
AfriNIC Region transit ASes present in the Internet Routing Table: 56
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC addresses announced to Internet: 9970688
Equivalent to 0 /8s, 152 /16s and 36 /24s
Percentage of available AfriNIC address space announced: 29.7
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1646 6412 378 Korea Telecom (KIX)
17488 1521 110 97 Hathway IP Over Cable Interne
4755 1202 428 180 TATA Communications formerly
9583 1067 107 363 Sify Limited
4134 904 16247 368 CHINANET-BACKBONE
18101 752 198 26 Reliance Infocom Ltd Internet
7545 718 158 96 TPG Internet Pty Ltd
9498 681 297 53 BHARTI BT INTERNET LTD.
24560 668 228 174 Bharti Airtel Ltd.
9829 637 490 19 BSNL National Internet Backbo
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 4374 3433 343 bellsouth.net, inc.
209 2826 4036 617 Qwest
1785 1787 733 139 PaeTec Communications, Inc.
4323 1645 1081 376 Time Warner Telecom
20115 1593 1423 726 Charter Communications
7018 1443 5878 998 AT&T WorldNet Services
2386 1252 715 893 AT&T Data Communications Serv
11492 1224 192 12 Cable One
6478 1223 292 510 AT&T Worldnet Services
3356 1140 10976 438 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
8452 1042 188 7 TEDATA
3292 442 1761 387 TDC Tele Danmark
30890 439 88 201 SC Kappa Invexim SRL
12479 397 578 6 Uni2 Autonomous System
3301 338 1669 304 TeliaNet Sweden
3320 338 7064 289 Deutsche Telekom AG
8866 336 109 22 Bulgarian Telecommunication C
3215 333 2898 102 France Telecom Transpac
29049 331 26 3 AzerSat LLC.
8551 312 288 40 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 1482 2833 229 UniNet S.A. de C.V.
10620 740 161 94 TVCABLE BOGOTA
11830 689 299 9 Instituto Costarricense de El
22047 619 302 14 VTR PUNTO NET S.A.
7303 509 253 79 Telecom Argentina Stet-France
6471 439 95 42 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
11172 406 118 74 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
28573 373 506 23 NET Servicos de Comunicao 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 619 74 40 LINKdotNET AS number
20858 274 34 3 This AS will be used to conne
3741 268 857 226 The Internet Solution
2018 241 215 141 Tertiary Education Network
33783 150 10 8 EEPAD TISP TELECOM & INTERNET
6713 144 135 11 Itissalat Al-MAGHRIB
29571 128 15 8 Ci Telecom Autonomous system
5536 120 8 17 Internet Egypt Network
5713 117 555 66 Telkom SA Ltd
33776 108 6 7 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 4374 3433 343 bellsouth.net, inc.
209 2826 4036 617 Qwest
1785 1787 733 139 PaeTec Communications, Inc.
4766 1646 6412 378 Korea Telecom (KIX)
4323 1645 1081 376 Time Warner Telecom
20115 1593 1423 726 Charter Communications
17488 1521 110 97 Hathway IP Over Cable Interne
8151 1482 2833 229 UniNet S.A. de C.V.
7018 1443 5878 998 AT&T WorldNet Services
2386 1252 715 893 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2826 2209 Qwest
1785 1787 1648 PaeTec Communications, Inc.
17488 1521 1424 Hathway IP Over Cable Interne
4323 1645 1269 Time Warner Telecom
4766 1646 1268 Korea Telecom (KIX)
8151 1482 1253 UniNet S.A. de C.V.
11492 1224 1212 Cable One
18566 1061 1051 Covad Communications
8452 1042 1035 TEDATA
4755 1202 1022 TATA Communications formerly
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.
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.220.16.0/20 8668 TelOne Zimbabwe P/L
41.223.112.0/22 5713 Telkom SA Ltd
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.12.96.0/19 15834 MenaNet network Autonomous Sy
62.12.107.0/24 15834 MenaNet network Autonomous Sy
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 /9:10 /10:20 /11:54 /12:160
/13:309 /14:571 /15:1124 /16:10325 /17:4584 /18:7860
/19:16907 /20:19843 /21:19437 /22:24629 /23:24853 /24:145905
/25:672 /26:808 /27:508 /28:103 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2851 4374 bellsouth.net, inc.
209 1569 2826 Qwest
4766 1378 1646 Korea Telecom (KIX)
17488 1302 1521 Hathway IP Over Cable Interne
1785 1200 1787 PaeTec Communications, Inc.
11492 1188 1224 Cable One
18566 1042 1061 Covad Communications
8452 1008 1042 TEDATA
2386 942 1252 AT&T Data Communications Serv
9583 917 1067 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:179 12:2192 13:2 15:21 16:3
17:5 20:35 24:1116 32:51 38:540 40:96
41:1731 43:1 44:2 47:11 52:3 55:2
56:3 57:26 58:521 59:609 60:459 61:1100
62:1121 63:2003 64:3416 65:2432 66:3529 67:1466
68:649 69:2469 70:527 71:159 72:1606 73:2
74:1406 75:203 76:297 77:788 78:546 79:320
80:959 81:821 82:554 83:400 84:605 85:1016
86:400 87:622 88:353 89:1379 90:42 91:1933
92:287 93:1108 94:1014 95:283 96:96 97:178
98:193 99:16 110:1 111:1 112:12 113:74
114:162 115:215 116:1151 117:478 118:269 119:626
120:137 121:702 122:932 123:508 124:843 125:1249
128:223 129:222 130:134 131:410 132:73 133:9
134:341 135:35 136:220 137:141 138:145 139:80
140:411 141:105 142:375 143:309 144:320 145:39
146:373 147:146 148:518 149:234 150:140 151:201
152:151 153:132 154:10 155:257 156:171 157:294
158:157 159:239 160:282 161:138 162:274 163:142
164:516 165:502 166:274 167:352 168:672 169:161
170:474 171:40 172:10 173:203 174:58 186:6
187:60 189:309 190:2595 192:5801 193:4187 194:3335
195:2689 196:1063 198:3696 199:3273 200:5538 201:1487
202:7806 203:7974 204:3926 205:2145 206:2356 207:2792
208:3824 209:3486 210:2605 211:1122 212:1509 213:1702
214:68 215:30 216:4583 217:1210 218:373 219:406
220:1209 221:453 222:295
End of report