Routing Table Report 04:00 +10GMT Sun 06 Sep, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 294511
Prefixes after maximum aggregation: 139398
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 147080
Total ASes present in the Internet Routing Table: 32121
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 27938
Origin ASes announcing only one prefix: 13648
Transit ASes present in the Internet Routing Table: 4183
Transit-only ASes present in the Internet Routing Table: 99
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: 409
Unregistered ASNs in the Routing Table: 114
Number of 32-bit ASNs allocated by the RIRs: 261
Prefixes from 32-bit ASNs in the Routing Table: 107
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 318
Number of addresses announced to Internet: 2101888960
Equivalent to 125 /8s, 72 /16s and 71 /24s
Percentage of available address space announced: 56.7
Percentage of allocated address space announced: 64.9
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: 140756
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 70193
Total APNIC prefixes after maximum aggregation: 24971
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 69636
Unique aggregates announced from the APNIC address blocks: 31708
APNIC Region origin ASes present in the Internet Routing Table: 3772
APNIC Prefixes per ASN: 18.46
APNIC Region origin ASes announcing only one prefix: 1034
APNIC Region transit ASes present in the Internet Routing Table: 580
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 493006016
Equivalent to 29 /8s, 98 /16s and 172 /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: 124813
Total ARIN prefixes after maximum aggregation: 66495
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 125385
Unique aggregates announced from the ARIN address blocks: 52730
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: 5110
ARIN Region transit ASes present in the Internet Routing Table: 1298
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1013644864
Equivalent to 60 /8s, 106 /16s and 254 /24s
Percentage of available ARIN address space announced: 88.8
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: 67710
Total RIPE prefixes after maximum aggregation: 39918
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 67325
Unique aggregates announced from the RIPE address blocks: 45608
RIPE Region origin ASes present in the Internet Routing Table: 13451
RIPE Prefixes per ASN: 5.01
RIPE Region origin ASes announcing only one prefix: 7032
RIPE Region transit ASes present in the Internet Routing Table: 1999
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 499883712
Equivalent to 29 /8s, 203 /16s and 158 /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: 25346
Total LACNIC prefixes after maximum aggregation: 6197
LACNIC Deaggregation factor: 4.09
Prefixes being announced from the LACNIC address blocks: 25339
Unique aggregates announced from the LACNIC address blocks: 14127
LACNIC Region origin ASes present in the Internet Routing Table: 1174
LACNIC Prefixes per ASN: 21.58
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: 73757952
Equivalent to 4 /8s, 101 /16s and 117 /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: 6105
Total AfriNIC prefixes after maximum aggregation: 1567
AfriNIC Deaggregation factor: 3.90
Prefixes being announced from the AfriNIC address blocks: 6508
Unique aggregates announced from the AfriNIC address blocks: 2647
AfriNIC Region origin ASes present in the Internet Routing Table: 315
AfriNIC Prefixes per ASN: 20.66
AfriNIC Region origin ASes announcing only one prefix: 92
AfriNIC Region transit ASes present in the Internet Routing Table: 68
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 20186624
Equivalent to 1 /8s, 52 /16s and 6 /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 1729 6982 427 Korea Telecom (KIX)
17488 1553 140 103 Hathway IP Over Cable Interne
4755 1231 292 141 TATA Communications formerly
9583 1095 87 534 Sify Limited
4134 1001 18165 390 CHINANET-BACKBONE
18101 952 201 31 Reliance Infocom Ltd Internet
7545 822 198 102 TPG Internet Pty Ltd
9829 812 625 18 BSNL National Internet Backbo
4808 767 1531 182 CNCGROUP IP network: China169
23577 764 33 648 Korea Telecom (ATM-MPLS)
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 1923 1049 387 Time Warner Telecom
1785 1736 714 137 PaeTec Communications, Inc.
7018 1496 5908 1059 AT&T WorldNet Services
20115 1473 1475 683 Charter Communications
6478 1397 281 255 AT&T Worldnet Services
2386 1289 655 936 AT&T Data Communications Serv
3356 1218 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 477 578 6 Uni2 Autonomous System
3292 458 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 1472 2899 243 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 70 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 993 188 7 TEDATA
24863 912 95 56 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 4179 3626 313 bellsouth.net, inc.
4323 1923 1049 387 Time Warner Telecom
1785 1736 714 137 PaeTec Communications, Inc.
4766 1729 6982 427 Korea Telecom (KIX)
17488 1553 140 103 Hathway IP Over Cable Interne
7018 1496 5908 1059 AT&T WorldNet Services
20115 1473 1475 683 Charter Communications
8151 1472 2899 243 UniNet S.A. de C.V.
6478 1397 281 255 AT&T Worldnet Services
2386 1289 655 936 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 1736 1599 PaeTec Communications, Inc.
4323 1923 1536 Time Warner Telecom
17488 1553 1450 Hathway IP Over Cable Interne
4766 1729 1302 Korea Telecom (KIX)
8151 1472 1229 UniNet S.A. de C.V.
6478 1397 1142 AT&T Worldnet Services
11492 1120 1108 Cable One
4755 1231 1090 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 /12:174
/13:351 /14:624 /15:1183 /16:10644 /17:4822 /18:8367
/19:17357 /20:20738 /21:20576 /22:26638 /23:26429 /24:153720
/25:946 /26:1076 /27:576 /28:149 /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 1408 1729 Korea Telecom (KIX)
17488 1299 1553 Hathway IP Over Cable Interne
1785 1206 1736 PaeTec Communications, Inc.
11492 1047 1120 Cable One
18566 1043 1062 Covad Communications
4323 968 1923 Time Warner Telecom
9583 947 1095 Sify Limited
10620 916 1010 TVCABLE BOGOTA
8452 915 993 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:215 12:2137 13:7 15:21 16:3
17:5 20:35 24:1125 32:52 34:2 38:599
40:97 41:1734 43:1 44:2 47:24 52:6
55:2 56:2 57:25 58:597 59:609 60:461
61:958 62:1086 63:2013 64:3627 65:2394 66:3440
67:1774 68:945 69:2736 70:558 71:163 72:1683
73:2 74:1734 75:179 76:321 77:863 78:581
79:375 80:913 81:817 82:535 83:427 84:640
85:1040 86:377 87:674 88:373 89:1471 90:52
91:2520 92:398 93:1135 94:1161 95:912 96:166
97:268 98:272 99:30 109:1 110:191 111:398
112:128 113:149 114:244 115:306 116:1135 117:569
118:322 119:774 120:121 121:653 122:1249 123:760
124:1068 125:1357 128:223 129:219 130:129 131:420
132:75 133:9 134:174 135:42 136:225 137:161
138:171 139:84 140:442 141:125 142:385 143:337
144:385 145:49 146:390 147:155 148:528 149:212
150:207 151:186 152:210 153:153 154:2 155:278
156:168 157:305 158:112 159:350 160:291 161:163
162:270 163:164 164:276 165:526 166:473 167:367
168:708 169:167 170:481 171:42 172:2 173:408
174:332 175:1 178:1 180:17 182:1 186:143
187:147 188:751 189:589 190:3025 192:5773 193:4250
194:3285 195:2742 196:1135 198:3548 199:3349 200:5178
201:1309 202:7799 203:8281 204:3889 205:2192 206:2390
207:2717 208:3952 209:3410 210:2540 211:1096 212:1601
213:1654 214:175 215:32 216:4291 217:1335 218:411
219:422 220:1110 221:463 222:323
End of report