Routing Table Report 04:00 +10GMT Tue 21 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 291555
Prefixes after maximum aggregation: 138193
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 144955
Total ASes present in the Internet Routing Table: 31784
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 27640
Origin ASes announcing only one prefix: 13455
Transit ASes present in the Internet Routing Table: 4144
Transit-only ASes present in the Internet Routing Table: 98
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 423
Unregistered ASNs in the Routing Table: 123
Number of 32-bit ASNs allocated by the RIRs: 207
Prefixes from 32-bit ASNs in the Routing Table: 70
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 335
Number of addresses announced to Internet: 2075944192
Equivalent to 123 /8s, 188 /16s and 101 /24s
Percentage of available address space announced: 56.0
Percentage of allocated address space announced: 64.8
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 78.3
Total number of prefixes smaller than registry allocations: 144361
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69633
Total APNIC prefixes after maximum aggregation: 24788
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 69051
Unique aggregates announced from the APNIC address blocks: 31549
APNIC Region origin ASes present in the Internet Routing Table: 3706
APNIC Prefixes per ASN: 18.63
APNIC Region origin ASes announcing only one prefix: 1005
APNIC Region transit ASes present in the Internet Routing Table: 574
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 473629120
Equivalent to 28 /8s, 59 /16s and 1 /24s
Percentage of available APNIC address space announced: 88.2
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: 123931
Total ARIN prefixes after maximum aggregation: 66064
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 124595
Unique aggregates announced from the ARIN address blocks: 52193
ARIN Region origin ASes present in the Internet Routing Table: 13116
ARIN Prefixes per ASN: 9.50
ARIN Region origin ASes announcing only one prefix: 5048
ARIN Region transit ASes present in the Internet Routing Table: 1279
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 1010538944
Equivalent to 60 /8s, 59 /16s and 153 /24s
Percentage of available ARIN address space announced: 194.3
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: 66731
Total RIPE prefixes after maximum aggregation: 39493
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66325
Unique aggregates announced from the RIPE address blocks: 44758
RIPE Region origin ASes present in the Internet Routing Table: 13306
RIPE Prefixes per ASN: 4.98
RIPE Region origin ASes announcing only one prefix: 6947
RIPE Region transit ASes present in the Internet Routing Table: 1991
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 496924352
Equivalent to 29 /8s, 158 /16s and 118 /24s
Percentage of available RIPE address space announced: 105.8
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: 24651
Total LACNIC prefixes after maximum aggregation: 6052
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24589
Unique aggregates announced from the LACNIC address blocks: 13626
LACNIC Region origin ASes present in the Internet Routing Table: 1145
LACNIC Prefixes per ASN: 21.48
LACNIC Region origin ASes announcing only one prefix: 365
LACNIC Region transit ASes present in the Internet Routing Table: 193
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 72487552
Equivalent to 4 /8s, 82 /16s and 18 /24s
Percentage of available LACNIC address space announced: 72.0
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: 6240
Total AfriNIC prefixes after maximum aggregation: 1518
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 6646
Unique aggregates announced from the AfriNIC address blocks: 2554
AfriNIC Region origin ASes present in the Internet Routing Table: 308
AfriNIC Prefixes per ASN: 21.58
AfriNIC Region origin ASes announcing only one prefix: 90
AfriNIC Region transit ASes present in the Internet Routing Table: 65
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 20057088
Equivalent to 1 /8s, 50 /16s and 12 /24s
Percentage of available AfriNIC address space announced: 59.8
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 1700 6934 407 Korea Telecom (KIX)
17488 1541 137 103 Hathway IP Over Cable Interne
4755 1218 292 144 TATA Communications formerly
9583 1127 87 560 Sify Limited
4134 989 17289 374 CHINANET-BACKBONE
7545 814 198 102 TPG Internet Pty Ltd
9829 800 611 14 BSNL National Internet Backbo
23577 785 34 666 Korea Telecom (ATM-MPLS)
18101 749 201 32 Reliance Infocom Ltd Internet
24560 730 247 169 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 4242 3643 325 bellsouth.net, inc.
4323 1892 1048 385 Time Warner Telecom
1785 1711 714 139 PaeTec Communications, Inc.
7018 1508 5909 1046 AT&T WorldNet Services
20115 1421 1461 679 Charter Communications
2386 1267 670 918 AT&T Data Communications Serv
6478 1217 275 311 AT&T Worldnet Services
3356 1193 10961 444 Level 3 Communications, LLC
11492 1127 208 12 Cable One
22773 1077 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
30890 484 92 196 Evolva Telecom
12479 475 578 6 Uni2 Autonomous System
3292 455 1902 391 TDC Tele Danmark
702 429 1861 345 UUNET - Commercial IP service
3320 353 7083 306 Deutsche Telekom AG
3301 348 1684 310 TeliaNet Sweden
3215 343 3065 108 France Telecom Transpac
8866 333 109 20 Bulgarian Telecommunication C
35805 321 40 5 United Telecom of Georgia
8551 306 290 38 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 1476 2882 232 UniNet S.A. de C.V.
10620 950 216 111 TVCABLE BOGOTA
28573 613 575 32 NET Servicos de Comunicao S.A
7303 597 315 92 Telecom Argentina Stet-France
22047 543 302 14 VTR PUNTO NET S.A.
11830 488 309 56 Instituto Costarricense de El
11172 441 99 69 Servicios Alestra S.A de C.V
6471 434 96 31 ENTEL CHILE S.A.
7738 410 858 29 Telecomunicacoes da Bahia S.A
3816 382 188 78 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 1027 188 7 TEDATA
24863 903 90 48 LINKdotNET AS number
20858 324 34 5 EgyNet
3741 277 856 237 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 140 15 8 Ci Telecom Autonomous system
24835 131 46 9 RAYA Telecom - Egypt
5536 123 8 9 Internet Egypt Network
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 4242 3643 325 bellsouth.net, inc.
4323 1892 1048 385 Time Warner Telecom
1785 1711 714 139 PaeTec Communications, Inc.
4766 1700 6934 407 Korea Telecom (KIX)
17488 1541 137 103 Hathway IP Over Cable Interne
7018 1508 5909 1046 AT&T WorldNet Services
8151 1476 2882 232 UniNet S.A. de C.V.
20115 1421 1461 679 Charter Communications
2386 1267 670 918 AT&T Data Communications Serv
4755 1218 292 144 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 1711 1572 PaeTec Communications, Inc.
4323 1892 1507 Time Warner Telecom
17488 1541 1438 Hathway IP Over Cable Interne
4766 1700 1293 Korea Telecom (KIX)
8151 1476 1244 UniNet S.A. de C.V.
11492 1127 1115 Cable One
4755 1218 1074 TATA Communications formerly
18566 1062 1052 Covad Communications
8452 1027 1020 TEDATA
22773 1077 1011 Cox Communications, Inc.
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
41.223.92.0/22 36936 >>UNKNOWN<<
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
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 /10:24 /11:58 /12:169
/13:350 /14:612 /15:1165 /16:10533 /17:4754 /18:8224
/19:17157 /20:20506 /21:20376 /22:26165 /23:26077 /24:152659
/25:930 /26:1031 /27:560 /28:152 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2753 4242 bellsouth.net, inc.
4766 1399 1700 Korea Telecom (KIX)
17488 1288 1541 Hathway IP Over Cable Interne
1785 1182 1711 PaeTec Communications, Inc.
11492 1053 1127 Cable One
18566 1043 1062 Covad Communications
2386 985 1267 AT&T Data Communications Serv
9583 980 1127 Sify Limited
4323 960 1892 Time Warner Telecom
8452 949 1027 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:18 8:209 12:2142 13:7 15:19 16:3
17:5 20:35 24:1101 32:51 34:2 38:578
40:98 41:1790 43:1 44:2 47:22 52:6
55:2 56:2 57:24 58:592 59:639 60:461
61:1075 62:1107 63:2049 64:3696 65:2403 66:3582
67:1619 68:859 69:2665 70:552 71:153 72:1674
73:2 74:1626 75:172 76:347 77:841 78:561
79:357 80:975 81:838 82:585 83:456 84:625
85:1058 86:370 87:677 88:354 89:1448 90:50
91:2408 92:356 93:1076 94:1120 95:1119 96:152
97:215 98:250 99:26 110:176 111:273 112:108
113:143 114:254 115:321 116:1127 117:536 118:354
119:747 120:146 121:781 122:1056 123:698 124:982
125:1374 128:225 129:232 130:128 131:414 132:74
133:9 134:187 135:39 136:219 137:164 138:168
139:82 140:446 141:121 142:385 143:352 144:367
145:48 146:388 147:153 148:517 149:230 150:175
151:193 152:145 153:147 154:2 155:274 156:167
157:300 158:118 159:346 160:286 161:152 162:275
163:162 164:476 165:515 166:465 167:362 168:662
169:172 170:477 171:41 172:10 173:313 174:240
178:1 186:103 187:144 188:340 189:530 190:2932
192:5786 193:4268 194:3309 195:2708 196:1125 198:3613
199:3364 200:5133 201:1285 202:7705 203:8286 204:3882
205:2157 206:2450 207:2743 208:3891 209:3373 210:2531
211:1121 212:1662 213:1643 214:82 215:29 216:4542
217:1354 218:401 219:444 220:1110 221:480 222:326
End of report