Routing Table Report 04:00 +10GMT Fri 03 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 289746
Prefixes after maximum aggregation: 137441
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 143704
Total ASes present in the Internet Routing Table: 31628
Prefixes per ASN: 9.16
Origin-only ASes present in the Internet Routing Table: 27499
Origin ASes announcing only one prefix: 13376
Transit ASes present in the Internet Routing Table: 4129
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: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 477
Unregistered ASNs in the Routing Table: 133
Number of 32-bit ASNs allocated by the RIRs: 192
Prefixes from 32-bit ASNs in the Routing Table: 65
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 358
Number of addresses announced to Internet: 2062647488
Equivalent to 122 /8s, 241 /16s and 128 /24s
Percentage of available address space announced: 55.7
Percentage of allocated address space announced: 64.4
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 78.1
Total number of prefixes smaller than registry allocations: 143386
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69086
Total APNIC prefixes after maximum aggregation: 24628
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 68494
Unique aggregates announced from the APNIC address blocks: 31057
APNIC Region origin ASes present in the Internet Routing Table: 3689
APNIC Prefixes per ASN: 18.57
APNIC Region origin ASes announcing only one prefix: 998
APNIC Region transit ASes present in the Internet Routing Table: 566
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 461977472
Equivalent to 27 /8s, 137 /16s and 55 /24s
Percentage of available APNIC address space announced: 86.1
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: 123388
Total ARIN prefixes after maximum aggregation: 65822
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 124098
Unique aggregates announced from the ARIN address blocks: 51923
ARIN Region origin ASes present in the Internet Routing Table: 13062
ARIN Prefixes per ASN: 9.50
ARIN Region origin ASes announcing only one prefix: 5018
ARIN Region transit ASes present in the Internet Routing Table: 1286
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1010255680
Equivalent to 60 /8s, 55 /16s and 71 /24s
Percentage of available ARIN address space announced: 194.2
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: 66385
Total RIPE prefixes after maximum aggregation: 39190
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66050
Unique aggregates announced from the RIPE address blocks: 44449
RIPE Region origin ASes present in the Internet Routing Table: 13238
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6909
RIPE Region transit ASes present in the Internet Routing Table: 1981
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 495944640
Equivalent to 29 /8s, 143 /16s and 131 /24s
Percentage of available RIPE address space announced: 105.6
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, 47104-52223
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: 24361
Total LACNIC prefixes after maximum aggregation: 5985
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24211
Unique aggregates announced from the LACNIC address blocks: 13473
LACNIC Region origin ASes present in the Internet Routing Table: 1131
LACNIC Prefixes per ASN: 21.41
LACNIC Region origin ASes announcing only one prefix: 360
LACNIC Region transit ASes present in the Internet Routing Table: 187
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 71854592
Equivalent to 4 /8s, 72 /16s and 106 /24s
Percentage of available LACNIC address space announced: 71.4
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: 6116
Total AfriNIC prefixes after maximum aggregation: 1494
AfriNIC Deaggregation factor: 4.09
Prefixes being announced from the AfriNIC address blocks: 6521
Unique aggregates announced from the AfriNIC address blocks: 2524
AfriNIC Region origin ASes present in the Internet Routing Table: 300
AfriNIC Prefixes per ASN: 21.74
AfriNIC Region origin ASes announcing only one prefix: 91
AfriNIC Region transit ASes present in the Internet Routing Table: 64
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 20171776
Equivalent to 1 /8s, 51 /16s and 204 /24s
Percentage of available AfriNIC address space announced: 60.1
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 1703 6934 405 Korea Telecom (KIX)
17488 1537 138 95 Hathway IP Over Cable Interne
4755 1213 308 144 TATA Communications formerly
9583 1135 90 559 Sify Limited
4134 978 17080 376 CHINANET-BACKBONE
7545 808 198 102 TPG Internet Pty Ltd
23577 782 34 665 Korea Telecom (ATM-MPLS)
18101 753 201 33 Reliance Infocom Ltd Internet
9829 744 611 14 BSNL National Internet Backbo
24560 724 230 172 Bharti Airtel 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 4269 3647 324 bellsouth.net, inc.
4323 1885 1047 384 Time Warner Telecom
1785 1705 714 139 PaeTec Communications, Inc.
7018 1503 5925 1046 AT&T WorldNet Services
20115 1399 1462 682 Charter Communications
2386 1267 671 921 AT&T Data Communications Serv
6478 1206 274 317 AT&T Worldnet Services
3356 1198 10961 443 Level 3 Communications, LLC
11492 1118 208 12 Cable One
22773 1071 2604 66 Cox Communications, Inc.
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
12479 473 578 6 Uni2 Autonomous System
3292 457 1902 394 TDC Tele Danmark
702 429 1861 345 UUNET - Commercial IP service
30890 414 88 194 Evolva Telecom
35805 354 40 5 United Telecom of Georgia
8866 351 109 21 Bulgarian Telecommunication C
3301 347 1684 309 TeliaNet Sweden
3320 344 7067 300 Deutsche Telekom AG
3215 342 3049 107 France Telecom Transpac
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 1464 2883 231 UniNet S.A. de C.V.
10620 920 211 102 TVCABLE BOGOTA
28573 610 570 31 NET Servicos de Comunicao S.A
22047 601 302 14 VTR PUNTO NET S.A.
7303 574 304 90 Telecom Argentina Stet-France
11830 487 293 55 Instituto Costarricense de El
6471 439 96 31 ENTEL CHILE S.A.
11172 439 99 68 Servicios Alestra S.A de C.V
7738 404 794 28 Telecomunicacoes da Bahia S.A
3816 370 188 83 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
8452 993 188 7 TEDATA
24863 892 88 46 LINKdotNET AS number
20858 321 34 5 EgyNet
3741 276 856 236 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
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 4269 3647 324 bellsouth.net, inc.
4323 1885 1047 384 Time Warner Telecom
1785 1705 714 139 PaeTec Communications, Inc.
4766 1703 6934 405 Korea Telecom (KIX)
17488 1537 138 95 Hathway IP Over Cable Interne
7018 1503 5925 1046 AT&T WorldNet Services
8151 1464 2883 231 UniNet S.A. de C.V.
20115 1399 1462 682 Charter Communications
2386 1267 671 921 AT&T Data Communications Serv
4755 1213 308 144 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1705 1566 PaeTec Communications, Inc.
4323 1885 1501 Time Warner Telecom
17488 1537 1442 Hathway IP Over Cable Interne
4766 1703 1298 Korea Telecom (KIX)
8151 1464 1233 UniNet S.A. de C.V.
11492 1118 1106 Cable One
4755 1213 1069 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1071 1005 Cox Communications, Inc.
8452 993 986 TEDATA
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
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
64.31.32.0/19 11955 ServiceCo LLC - Road Runner
64.31.59.0/24 7017 ServiceCo LLC - Road Runner
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 /10:22 /11:58 /12:168
/13:351 /14:607 /15:1163 /16:10519 /17:4754 /18:8200
/19:16878 /20:20373 /21:20189 /22:26211 /23:25854 /24:151722
/25:897 /26:1024 /27:556 /28:148 /29:8 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2780 4269 bellsouth.net, inc.
4766 1402 1703 Korea Telecom (KIX)
17488 1283 1537 Hathway IP Over Cable Interne
1785 1178 1705 PaeTec Communications, Inc.
11492 1045 1118 Cable One
18566 1043 1062 Covad Communications
9583 987 1135 Sify Limited
2386 983 1267 AT&T Data Communications Serv
4323 959 1885 Time Warner Telecom
8452 918 993 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:206 12:2144 13:8 15:19 16:3
17:4 20:36 24:1096 32:51 34:2 38:575
40:98 41:1744 43:1 44:2 47:13 52:4
55:2 56:3 57:24 58:580 59:653 60:460
61:1084 62:1108 63:2038 64:3694 65:2415 66:3592
67:1620 68:807 69:2663 70:555 71:146 72:1678
73:2 74:1608 75:170 76:335 77:847 78:557
79:357 80:975 81:836 82:557 83:455 84:636
85:1049 86:399 87:676 88:356 89:1441 90:49
91:2373 92:349 93:1125 94:1243 95:1112 96:147
97:216 98:253 99:23 110:170 111:49 112:168
113:130 114:259 115:301 116:1159 117:537 118:318
119:712 120:147 121:778 122:1043 123:704 124:999
125:1386 128:218 129:237 130:127 131:401 132:74
133:9 134:185 135:38 136:224 137:162 138:164
139:78 140:442 141:120 142:380 143:348 144:364
145:48 146:386 147:154 148:520 149:235 150:178
151:193 152:145 153:145 154:2 155:274 156:165
157:301 158:117 159:344 160:284 161:153 162:273
163:162 164:479 165:501 166:456 167:359 168:663
169:170 170:479 171:40 172:10 173:307 174:234
178:1 186:97 187:96 188:101 189:445 190:2864
192:5819 193:4253 194:3312 195:2696 196:1095 198:3594
199:3350 200:5151 201:1305 202:7703 203:8250 204:3882
205:2151 206:2430 207:2738 208:3874 209:3373 210:2547
211:1131 212:1616 213:1662 214:73 215:25 216:4532
217:1323 218:396 219:437 220:1114 221:484 222:307
End of report