Routing Table Report 04:00 +10GMT Fri 04 Sep, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 294492
Prefixes after maximum aggregation: 139440
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 147037
Total ASes present in the Internet Routing Table: 32131
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 27931
Origin ASes announcing only one prefix: 13648
Transit ASes present in the Internet Routing Table: 4200
Transit-only ASes present in the Internet Routing Table: 102
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: 405
Unregistered ASNs in the Routing Table: 114
Number of 32-bit ASNs allocated by the RIRs: 260
Prefixes from 32-bit ASNs in the Routing Table: 103
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 312
Number of addresses announced to Internet: 2102594240
Equivalent to 125 /8s, 83 /16s and 10 /24s
Percentage of available address space announced: 56.7
Percentage of allocated address space announced: 65.0
Percentage of available address space allocated: 87.3
Percentage of address space in use by end-sites: 78.8
Total number of prefixes smaller than registry allocations: 140768
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 70159
Total APNIC prefixes after maximum aggregation: 24989
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 69597
Unique aggregates announced from the APNIC address blocks: 31701
APNIC Region origin ASes present in the Internet Routing Table: 3775
APNIC Prefixes per ASN: 18.44
APNIC Region origin ASes announcing only one prefix: 1033
APNIC Region transit ASes present in the Internet Routing Table: 582
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 493058752
Equivalent to 29 /8s, 99 /16s and 122 /24s
Percentage of available APNIC address space announced: 84.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 43/8, 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, 175/8, 180/8, 182/8, 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: 124838
Total ARIN prefixes after maximum aggregation: 66516
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 125425
Unique aggregates announced from the ARIN address blocks: 52698
ARIN Region origin ASes present in the Internet Routing Table: 13212
ARIN Prefixes per ASN: 9.49
ARIN Region origin ASes announcing only one prefix: 5103
ARIN Region transit ASes present in the Internet Routing Table: 1300
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1013677632
Equivalent to 60 /8s, 107 /16s and 126 /24s
Percentage of available ARIN address space announced: 88.9
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 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8,
30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8,
44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8,
56/8, 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, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 67728
Total RIPE prefixes after maximum aggregation: 39911
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 67336
Unique aggregates announced from the RIPE address blocks: 45614
RIPE Region origin ASes present in the Internet Routing Table: 13462
RIPE Prefixes per ASN: 5.00
RIPE Region origin ASes announcing only one prefix: 7043
RIPE Region transit ASes present in the Internet Routing Table: 2012
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 500453312
Equivalent to 29 /8s, 212 /16s and 79 /24s
Percentage of available RIPE address space announced: 99.4
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 25/8, 51/8, 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: 25306
Total LACNIC prefixes after maximum aggregation: 6214
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 25296
Unique aggregates announced from the LACNIC address blocks: 14128
LACNIC Region origin ASes present in the Internet Routing Table: 1172
LACNIC Prefixes per ASN: 21.58
LACNIC Region origin ASes announcing only one prefix: 379
LACNIC Region transit ASes present in the Internet Routing Table: 191
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 73796864
Equivalent to 4 /8s, 102 /16s and 13 /24s
Percentage of available LACNIC address space announced: 73.3
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: 6121
Total AfriNIC prefixes after maximum aggregation: 1564
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 6526
Unique aggregates announced from the AfriNIC address blocks: 2636
AfriNIC Region origin ASes present in the Internet Routing Table: 314
AfriNIC Prefixes per ASN: 20.78
AfriNIC Region origin ASes announcing only one prefix: 90
AfriNIC Region transit ASes present in the Internet Routing Table: 67
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 20190464
Equivalent to 1 /8s, 52 /16s and 21 /24s
Percentage of available AfriNIC address space announced: 60.2
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 1723 6982 427 Korea Telecom (KIX)
17488 1553 140 103 Hathway IP Over Cable Interne
4755 1230 292 141 TATA Communications formerly
9583 1094 87 533 Sify Limited
4134 1001 18165 390 CHINANET-BACKBONE
18101 952 201 31 Reliance Infocom Ltd Internet
7545 821 198 102 TPG Internet Pty Ltd
9829 810 625 18 BSNL National Internet Backbo
23577 773 33 657 Korea Telecom (ATM-MPLS)
4808 767 1531 182 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 4180 3610 313 bellsouth.net, inc.
4323 1920 1049 387 Time Warner Telecom
1785 1735 714 138 PaeTec Communications, Inc.
7018 1497 5908 1061 AT&T WorldNet Services
20115 1473 1475 683 Charter Communications
6478 1395 281 259 AT&T Worldnet Services
2386 1291 655 938 AT&T Data Communications Serv
3356 1220 10980 441 Level 3 Communications, LLC
11492 1118 208 12 Cable One
22773 1096 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 487 92 197 Evolva Telecom
12479 477 578 6 Uni2 Autonomous System
3292 461 1905 396 TDC Tele Danmark
702 426 1821 344 UUNET - Commercial IP service
35805 385 40 5 United Telecom of Georgia
9198 368 138 12 Kazakhtelecom Data Network Ad
8866 357 109 22 Bulgarian Telecommunication C
3320 353 7067 303 Deutsche Telekom AG
3301 347 1412 308 TeliaNet Sweden
3215 344 3081 109 France Telecom Transpac
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 2898 241 UniNet S.A. de C.V.
10620 1008 226 99 TVCABLE BOGOTA
28573 697 607 61 NET Servicos de Comunicao S.A
7303 634 335 94 Telecom Argentina Stet-France
22047 542 302 14 VTR PUNTO NET S.A.
11830 476 310 58 Instituto Costarricense de El
11172 441 99 70 Servicios Alestra S.A de C.V
14117 435 29 11 Telefonica del Sur S.A.
6471 421 96 31 ENTEL CHILE S.A.
7738 419 858 29 Telecomunicacoes da Bahia 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
8452 993 188 7 TEDATA
24863 938 95 54 LINKdotNET AS number
20858 296 34 6 EgyNet
3741 274 856 235 The Internet Solution
2018 202 180 142 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
29571 139 14 6 Ci Telecom Autonomous system
24835 131 46 9 RAYA Telecom - Egypt
5536 122 8 13 Internet Egypt Network
33776 121 7 11 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 4180 3610 313 bellsouth.net, inc.
4323 1920 1049 387 Time Warner Telecom
1785 1735 714 138 PaeTec Communications, Inc.
4766 1723 6982 427 Korea Telecom (KIX)
17488 1553 140 103 Hathway IP Over Cable Interne
7018 1497 5908 1061 AT&T WorldNet Services
8151 1476 2898 241 UniNet S.A. de C.V.
20115 1473 1475 683 Charter Communications
6478 1395 281 259 AT&T Worldnet Services
2386 1291 655 938 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
1785 1735 1597 PaeTec Communications, Inc.
4323 1920 1533 Time Warner Telecom
17488 1553 1450 Hathway IP Over Cable Interne
4766 1723 1296 Korea Telecom (KIX)
8151 1476 1235 UniNet S.A. de C.V.
6478 1395 1136 AT&T Worldnet Services
11492 1118 1106 Cable One
4755 1230 1089 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1096 1030 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<<
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
43.245.96.0/20 7502 Internetwork Kyoto
43.245.112.0/20 7502 Internetwork Kyoto
43.245.192.0/20 7502 Internetwork Kyoto
43.245.208.0/20 7502 Internetwork Kyoto
43.245.224.0/20 7502 Internetwork Kyoto
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /10:25 /11:62 /12:168
/13:351 /14:624 /15:1183 /16:10650 /17:4826 /18:8366
/19:17358 /20:20732 /21:20576 /22:26625 /23:26434 /24:153695
/25:946 /26:1078 /27:587 /28:153 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2709 4180 bellsouth.net, inc.
4766 1408 1723 Korea Telecom (KIX)
17488 1299 1553 Hathway IP Over Cable Interne
1785 1205 1735 PaeTec Communications, Inc.
11492 1045 1118 Cable One
18566 1043 1062 Covad Communications
4323 966 1920 Time Warner Telecom
9583 946 1094 Sify Limited
8452 915 993 TEDATA
10620 914 1008 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:215 12:2137 13:7 15:21 16:3
17:5 20:35 24:1126 32:52 34:2 38:598
40:97 41:1738 43:1 44:2 47:20 52:6
55:2 56:2 57:25 58:597 59:609 60:461
61:959 62:1086 63:2014 64:3623 65:2396 66:3439
67:1758 68:945 69:2763 70:558 71:162 72:1680
73:2 74:1755 75:179 76:322 77:859 78:582
79:375 80:912 81:819 82:535 83:422 84:639
85:1044 86:376 87:660 88:369 89:1473 90:52
91:2512 92:398 93:1135 94:1150 95:911 96:166
97:268 98:270 99:30 109:1 110:188 111:398
112:128 113:153 114:243 115:306 116:1135 117:564
118:321 119:774 120:122 121:652 122:1243 123:760
124:1065 125:1357 128:223 129:219 130:129 131:421
132:75 133:9 134:174 135:42 136:225 137:161
138:170 139:84 140:443 141:125 142:385 143:337
144:387 145:49 146:390 147:157 148:531 149:214
150:207 151:186 152:210 153:153 154:2 155:279
156:168 157:305 158:112 159:349 160:291 161:164
162:270 163:164 164:276 165:526 166:474 167:367
168:707 169:167 170:479 171:42 172:2 173:406
174:330 175:1 178:1 180:17 182:1 186:141
187:150 188:761 189:583 190:3018 192:5774 193:4263
194:3282 195:2739 196:1130 198:3550 199:3359 200:5175
201:1305 202:7792 203:8274 204:3890 205:2196 206:2388
207:2735 208:3949 209:3408 210:2542 211:1106 212:1604
213:1652 214:180 215:32 216:4275 217:1333 218:410
219:413 220:1109 221:462 222:326
End of report