Routing Table Report 04:00 +10GMT Thu 07 May, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 287806
Prefixes after maximum aggregation: 136167
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 141008
Total ASes present in the Internet Routing Table: 31166
Prefixes per ASN: 9.23
Origin-only ASes present in the Internet Routing Table: 27107
Origin ASes announcing only one prefix: 13218
Transit ASes present in the Internet Routing Table: 4059
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: 33
Max AS path prepend of ASN (43683) 31
Prefixes from unregistered ASNs in the Routing Table: 474
Unregistered ASNs in the Routing Table: 151
Number of 32-bit ASNs allocated by the RIRs: 143
Prefixes from 32-bit ASNs in the Routing Table: 30
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 196
Number of addresses announced to Internet: 2039209152
Equivalent to 121 /8s, 139 /16s and 220 /24s
Percentage of available address space announced: 55.0
Percentage of allocated address space announced: 63.7
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 76.8
Total number of prefixes smaller than registry allocations: 142338
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 67629
Total APNIC prefixes after maximum aggregation: 24120
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 64300
Unique aggregates announced from the APNIC address blocks: 28893
APNIC Region origin ASes present in the Internet Routing Table: 3605
APNIC Prefixes per ASN: 17.84
APNIC Region origin ASes announcing only one prefix: 970
APNIC Region transit ASes present in the Internet Routing Table: 547
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 412840992
Equivalent to 24 /8s, 155 /16s and 116 /24s
Percentage of available APNIC address space announced: 76.9
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,
180/8, 183/8, 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: 125164
Total ARIN prefixes after maximum aggregation: 66136
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 94332
Unique aggregates announced from the ARIN address blocks: 36677
ARIN Region origin ASes present in the Internet Routing Table: 12968
ARIN Prefixes per ASN: 7.27
ARIN Region origin ASes announcing only one prefix: 5004
ARIN Region transit ASes present in the Internet Routing Table: 1266
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 428452352
Equivalent to 25 /8s, 137 /16s and 170 /24s
Percentage of available ARIN address space announced: 82.4
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
53248-55295
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: 66012
Total RIPE prefixes after maximum aggregation: 38238
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 60344
Unique aggregates announced from the RIPE address blocks: 40090
RIPE Region origin ASes present in the Internet Routing Table: 12968
RIPE Prefixes per ASN: 4.65
RIPE Region origin ASes announcing only one prefix: 6796
RIPE Region transit ASes present in the Internet Routing Table: 1963
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 393173536
Equivalent to 23 /8s, 111 /16s and 90 /24s
Percentage of available RIPE address space announced: 83.7
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, 47104-52223
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: 23617
Total LACNIC prefixes after maximum aggregation: 5884
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 21800
Unique aggregates announced from the LACNIC address blocks: 12040
LACNIC Region origin ASes present in the Internet Routing Table: 1101
LACNIC Prefixes per ASN: 19.80
LACNIC Region origin ASes announcing only one prefix: 357
LACNIC Region transit ASes present in the Internet Routing Table: 182
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 62937728
Equivalent to 3 /8s, 192 /16s and 90 /24s
Percentage of available LACNIC address space announced: 62.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
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: 4952
Total AfriNIC prefixes after maximum aggregation: 1446
AfriNIC Deaggregation factor: 3.42
Prefixes being announced from the AfriNIC address blocks: 4603
Unique aggregates announced from the AfriNIC address blocks: 1408
AfriNIC Region origin ASes present in the Internet Routing Table: 295
AfriNIC Prefixes per ASN: 15.60
AfriNIC Region origin ASes announcing only one prefix: 91
AfriNIC Region transit ASes present in the Internet Routing Table: 60
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 11302656
Equivalent to 0 /8s, 172 /16s and 119 /24s
Percentage of available AfriNIC address space announced: 33.7
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 1697 6930 403 Korea Telecom (KIX)
17488 1573 127 101 Hathway IP Over Cable Interne
4755 1239 466 124 TATA Communications formerly
9583 1077 86 539 Sify Limited
4134 898 16676 373 CHINANET-BACKBONE
7545 787 166 101 TPG Internet Pty Ltd
23577 780 34 663 Korea Telecom (ATM-MPLS)
18101 753 217 30 Reliance Infocom Ltd Internet
24560 684 229 175 Bharti Airtel Ltd.
9498 646 295 51 BHARTI BT INTERNET 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 4305 3653 342 bellsouth.net, inc.
209 2577 4150 622 Qwest
4323 1846 1035 373 Time Warner Telecom
1785 1752 717 139 PaeTec Communications, Inc.
20115 1623 1443 730 Charter Communications
7018 1471 5896 1019 AT&T WorldNet Services
6478 1394 308 415 AT&T Worldnet Services
2386 1264 698 911 AT&T Data Communications Serv
3356 1201 10980 455 Level 3 Communications, LLC
11492 1098 192 11 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
8452 1229 188 7 TEDATA
30890 541 88 200 Evolva Telecom
3292 456 1891 395 TDC Tele Danmark
12479 447 578 6 Uni2 Autonomous System
8866 368 110 24 Bulgarian Telecommunication C
3320 348 7082 299 Deutsche Telekom AG
3215 341 3037 107 France Telecom Transpac
3301 340 1668 304 TeliaNet Sweden
35805 333 24 4 United Telecom of Georgia
29049 317 26 3 AzerSat LLC.
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 1446 2847 231 UniNet S.A. de C.V.
10620 883 206 106 TVCABLE BOGOTA
22047 616 302 14 VTR PUNTO NET S.A.
7303 524 272 76 Telecom Argentina Stet-France
11830 516 294 34 Instituto Costarricense de El
28573 446 562 26 NET Servicos de Comunicao S.A
11172 443 102 72 Servicios Alestra S.A de C.V
6471 441 96 31 ENTEL CHILE S.A.
7738 397 794 28 Telecomunicacoes da Bahia S.A
3816 350 163 73 Empresa Nacional de Telecomun
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 859 79 37 LINKdotNET AS number
20858 301 34 4 This AS will be used to conne
3741 277 860 237 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 159 150 15 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 9 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
5713 115 507 66 Telkom SA Ltd
24835 107 46 9 RAYA Telecom - Egypt
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 4305 3653 342 bellsouth.net, inc.
209 2577 4150 622 Qwest
4323 1846 1035 373 Time Warner Telecom
1785 1752 717 139 PaeTec Communications, Inc.
4766 1697 6930 403 Korea Telecom (KIX)
20115 1623 1443 730 Charter Communications
17488 1573 127 101 Hathway IP Over Cable Interne
7018 1471 5896 1019 AT&T WorldNet Services
8151 1446 2847 231 UniNet S.A. de C.V.
6478 1394 308 415 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 2577 1955 Qwest
1785 1752 1613 PaeTec Communications, Inc.
4323 1846 1473 Time Warner Telecom
17488 1573 1472 Hathway IP Over Cable Interne
4766 1697 1294 Korea Telecom (KIX)
8452 1229 1222 TEDATA
8151 1446 1215 UniNet S.A. de C.V.
4755 1239 1115 TATA Communications formerly
11492 1098 1087 Cable One
18566 1062 1052 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
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
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 /9:10 /10:20 /11:58 /12:166
/13:337 /14:598 /15:1147 /16:10441 /17:4718 /18:8103
/19:17112 /20:20370 /21:20262 /22:25900 /23:25444 /24:150412
/25:895 /26:1042 /27:538 /28:159 /29:37 /30:10
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2803 4305 bellsouth.net, inc.
4766 1390 1697 Korea Telecom (KIX)
209 1308 2577 Qwest
17488 1306 1573 Hathway IP Over Cable Interne
8452 1205 1229 TEDATA
1785 1158 1752 PaeTec Communications, Inc.
18566 1043 1062 Covad Communications
11492 1035 1098 Cable One
2386 963 1264 AT&T Data Communications Serv
4323 951 1846 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:197 12:2222 13:6 15:19 16:3
17:4 20:35 24:1061 32:50 38:528 40:97
41:2014 43:1 44:2 47:22 52:4 55:2
56:3 57:25 58:585 59:637 60:459 61:1124
62:1113 63:2065 64:3660 65:2387 66:3612 67:1612
68:747 69:2589 70:530 71:144 72:1653 73:2
74:1490 75:172 76:310 77:830 78:560 79:335
80:969 81:820 82:546 83:424 84:606 85:1082
86:400 87:651 88:355 89:1438 90:46 91:2192
92:319 93:1001 94:1228 95:1150 96:125 97:204
98:217 99:18 109:1 110:91 112:111 113:102
114:241 115:270 116:1163 117:518 118:288 119:686
120:142 121:711 122:1016 123:687 124:967 125:1314
128:221 129:232 130:126 131:415 132:73 133:9
134:185 135:214 136:236 137:152 138:157 139:81
140:444 141:107 142:377 143:357 144:362 145:47
146:374 147:152 148:514 149:237 150:181 151:200
152:147 153:138 154:2 155:274 156:169 157:293
158:114 159:310 160:281 161:133 162:273 163:148
164:483 165:503 166:277 167:362 168:684 169:161
170:474 171:40 172:10 173:273 174:204 178:1
186:10 187:87 188:13 189:341 190:2577 192:5799
193:4234 194:3306 195:2698 196:1064 198:3660 199:3347
200:5318 201:1370 202:7843 203:8197 204:3812 205:2145
206:2441 207:2808 208:3919 209:3394 210:2708 211:1112
212:1507 213:1693 214:73 215:30 216:4630 217:1268
218:367 219:433 220:1219 221:469 222:290
End of report