Routing Table Report 04:00 +10GMT Tue 08 Sep, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 294803
Prefixes after maximum aggregation: 139436
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 147324
Total ASes present in the Internet Routing Table: 32129
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 27933
Origin ASes announcing only one prefix: 13644
Transit ASes present in the Internet Routing Table: 4196
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: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 415
Unregistered ASNs in the Routing Table: 114
Number of 32-bit ASNs allocated by the RIRs: 263
Prefixes from 32-bit ASNs in the Routing Table: 113
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 316
Number of addresses announced to Internet: 2102548672
Equivalent to 125 /8s, 82 /16s and 88 /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: 140877
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 70364
Total APNIC prefixes after maximum aggregation: 24942
APNIC Deaggregation factor: 2.82
Prefixes being announced from the APNIC address blocks: 69804
Unique aggregates announced from the APNIC address blocks: 31838
APNIC Region origin ASes present in the Internet Routing Table: 3778
APNIC Prefixes per ASN: 18.48
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: 493515968
Equivalent to 29 /8s, 106 /16s and 116 /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: 124852
Total ARIN prefixes after maximum aggregation: 66514
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 125426
Unique aggregates announced from the ARIN address blocks: 52802
ARIN Region origin ASes present in the Internet Routing Table: 13216
ARIN Prefixes per ASN: 9.49
ARIN Region origin ASes announcing only one prefix: 5107
ARIN Region transit ASes present in the Internet Routing Table: 1296
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1013660736
Equivalent to 60 /8s, 107 /16s and 60 /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: 67737
Total RIPE prefixes after maximum aggregation: 39940
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 67367
Unique aggregates announced from the RIPE address blocks: 45672
RIPE Region origin ASes present in the Internet Routing Table: 13455
RIPE Prefixes per ASN: 5.01
RIPE Region origin ASes announcing only one prefix: 7035
RIPE Region transit ASes present in the Internet Routing Table: 2016
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 499978176
Equivalent to 29 /8s, 205 /16s and 15 /24s
Percentage of available RIPE address space announced: 99.3
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: 25365
Total LACNIC prefixes after maximum aggregation: 6221
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 25361
Unique aggregates announced from the LACNIC address blocks: 14113
LACNIC Region origin ASes present in the Internet Routing Table: 1174
LACNIC Prefixes per ASN: 21.60
LACNIC Region origin ASes announcing only one prefix: 380
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: 73797632
Equivalent to 4 /8s, 102 /16s and 16 /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: 6135
Total AfriNIC prefixes after maximum aggregation: 1567
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 6529
Unique aggregates announced from the AfriNIC address blocks: 2641
AfriNIC Region origin ASes present in the Internet Routing Table: 314
AfriNIC Prefixes per ASN: 20.79
AfriNIC Region origin ASes announcing only one prefix: 89
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: 20189440
Equivalent to 1 /8s, 52 /16s and 17 /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 1730 6982 427 Korea Telecom (KIX)
17488 1553 140 103 Hathway IP Over Cable Interne
4755 1252 292 142 TATA Communications formerly
9583 1094 87 533 Sify Limited
4134 1005 18165 390 CHINANET-BACKBONE
18101 953 201 32 Reliance Infocom Ltd Internet
7545 820 198 101 TPG Internet Pty Ltd
9829 812 625 18 BSNL National Internet Backbo
23577 769 33 654 Korea Telecom (ATM-MPLS)
4808 764 1530 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 4179 3626 313 bellsouth.net, inc.
4323 1924 1049 388 Time Warner Telecom
1785 1734 714 135 PaeTec Communications, Inc.
7018 1526 5893 1059 AT&T WorldNet Services
20115 1473 1475 683 Charter Communications
6478 1397 281 255 AT&T Worldnet Services
2386 1288 655 935 AT&T Data Communications Serv
3356 1219 10980 440 Level 3 Communications, LLC
11492 1120 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 476 578 6 Uni2 Autonomous System
3292 448 1904 395 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 358 109 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 1475 2899 244 UniNet S.A. de C.V.
10620 1010 226 100 TVCABLE BOGOTA
28573 698 608 62 NET Servicos de Comunicao S.A
7303 635 336 93 Telecom Argentina Stet-France
22047 542 302 14 VTR PUNTO NET S.A.
11830 476 310 58 Instituto Costarricense de El
11172 441 99 69 Servicios Alestra S.A de C.V
14117 436 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 992 188 7 TEDATA
24863 937 95 54 LINKdotNET AS number
20858 296 34 6 EgyNet
3741 275 856 236 The Internet Solution
2018 206 180 142 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 4179 3626 313 bellsouth.net, inc.
4323 1924 1049 388 Time Warner Telecom
1785 1734 714 135 PaeTec Communications, Inc.
4766 1730 6982 427 Korea Telecom (KIX)
17488 1553 140 103 Hathway IP Over Cable Interne
7018 1526 5893 1059 AT&T WorldNet Services
8151 1475 2899 244 UniNet S.A. de C.V.
20115 1473 1475 683 Charter Communications
6478 1397 281 255 AT&T Worldnet Services
2386 1288 655 935 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 1734 1599 PaeTec Communications, Inc.
4323 1924 1536 Time Warner Telecom
17488 1553 1450 Hathway IP Over Cable Interne
4766 1730 1303 Korea Telecom (KIX)
8151 1475 1231 UniNet S.A. de C.V.
6478 1397 1142 AT&T Worldnet Services
4755 1252 1110 TATA Communications formerly
11492 1120 1108 Cable One
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 /12:174
/13:351 /14:624 /15:1184 /16:10650 /17:4821 /18:8372
/19:17349 /20:20754 /21:20595 /22:26694 /23:26490 /24:153857
/25:944 /26:1079 /27:573 /28:151 /29:8 /30:9
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2708 4179 bellsouth.net, inc.
4766 1409 1730 Korea Telecom (KIX)
17488 1299 1553 Hathway IP Over Cable Interne
1785 1206 1734 PaeTec Communications, Inc.
11492 1047 1120 Cable One
18566 1043 1062 Covad Communications
4323 969 1924 Time Warner Telecom
9583 946 1094 Sify Limited
10620 916 1010 TVCABLE BOGOTA
8452 914 992 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:216 12:2138 13:7 15:21 16:3
17:5 20:36 24:1127 32:52 34:2 38:600
40:97 41:1725 43:1 44:2 47:24 52:6
55:2 56:2 57:25 58:607 59:611 60:464
61:959 62:1085 63:2014 64:3630 65:2394 66:3415
67:1774 68:961 69:2737 70:561 71:163 72:1682
73:2 74:1734 75:179 76:321 77:861 78:584
79:376 80:914 81:818 82:533 83:430 84:644
85:1042 86:377 87:675 88:371 89:1473 90:52
91:2512 92:397 93:1139 94:1162 95:947 96:166
97:268 98:272 99:30 109:2 110:191 111:424
112:129 113:150 114:245 115:308 116:1134 117:570
118:322 119:775 120:121 121:653 122:1251 123:761
124:1060 125:1357 128:223 129:219 130:129 131:420
132:75 133:9 134:173 135:42 136:225 137:161
138:171 139:84 140:444 141:125 142:385 143:333
144:383 145:49 146:390 147:161 148:532 149:212
150:207 151:186 152:209 153:153 154:2 155:277
156:168 157:305 158:112 159:351 160:291 161:164
162:270 163:164 164:276 165:526 166:474 167:368
168:709 169:167 170:480 171:42 172:2 173:408
174:332 175:1 178:1 180:17 182:1 186:143
187:147 188:753 189:589 190:3028 192:5773 193:4257
194:3288 195:2749 196:1139 198:3547 199:3352 200:5172
201:1310 202:7819 203:8267 204:3890 205:2194 206:2392
207:2739 208:3950 209:3405 210:2543 211:1104 212:1596
213:1653 214:174 215:33 216:4290 217:1333 218:407
219:423 220:1114 221:460 222:323
End of report