Routing Table Report 00:00 GMT Thu 02 Jul, 2009
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary
----------------
BGP routing table entries examined: 295600
Prefixes after maximum aggregation: 137764
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 143630
Total ASes present in the Internet Routing Table: 31657
Prefixes per ASN: 9.34
Origin-only ASes present in the Internet Routing Table: 27465
Origin ASes announcing only one prefix: 13356
Transit ASes present in the Internet Routing Table: 4192
Transit-only ASes present in the Internet Routing Table: 101
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 26
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 529
Unregistered ASNs in the Routing Table: 157
Number of 32-bit ASNs allocated by the RIRs: 189
Prefixes from 32-bit ASNs in the Routing Table: 63
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 366
Number of addresses announced to Internet: 2062339173
Equivalent to 122 /8s, 236 /16s and 204 /24s
Percentage of available address space announced: 55.6
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: 147095
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69105
Total APNIC prefixes after maximum aggregation: 24321
APNIC Deaggregation factor: 2.84
Prefixes being announced from the APNIC address blocks: 68530
Unique aggregates announced from the APNIC address blocks: 30952
APNIC Region origin ASes present in the Internet Routing Table: 3680
APNIC Prefixes per ASN: 18.62
APNIC Region origin ASes announcing only one prefix: 1002
APNIC Region transit ASes present in the Internet Routing Table: 583
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 461491936
Equivalent to 27 /8s, 129 /16s and 206 /24s
Percentage of available APNIC address space announced: 86.0
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: 125385
Total ARIN prefixes after maximum aggregation: 66280
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 125829
Unique aggregates announced from the ARIN address blocks: 51844
ARIN Region origin ASes present in the Internet Routing Table: 13075
ARIN Prefixes per ASN: 9.62
ARIN Region origin ASes announcing only one prefix: 5021
ARIN Region transit ASes present in the Internet Routing Table: 1321
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 26
Number of ARIN addresses announced to Internet: 1010181525
Equivalent to 60 /8s, 54 /16s and 37 /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: 68035
Total RIPE prefixes after maximum aggregation: 39343
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 67963
Unique aggregates announced from the RIPE address blocks: 44551
RIPE Region origin ASes present in the Internet Routing Table: 13253
RIPE Prefixes per ASN: 5.13
RIPE Region origin ASes announcing only one prefix: 6883
RIPE Region transit ASes present in the Internet Routing Table: 1976
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 496077987
Equivalent to 29 /8s, 145 /16s and 140 /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: 26562
Total LACNIC prefixes after maximum aggregation: 6014
LACNIC Deaggregation factor: 4.42
Prefixes being announced from the LACNIC address blocks: 26415
Unique aggregates announced from the LACNIC address blocks: 13476
LACNIC Region origin ASes present in the Internet Routing Table: 1137
LACNIC Prefixes per ASN: 23.23
LACNIC Region origin ASes announcing only one prefix: 358
LACNIC Region transit ASes present in the Internet Routing Table: 190
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 71865352
Equivalent to 4 /8s, 72 /16s and 148 /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: 6086
Total AfriNIC prefixes after maximum aggregation: 1484
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 6483
Unique aggregates announced from the AfriNIC address blocks: 2523
AfriNIC Region origin ASes present in the Internet Routing Table: 300
AfriNIC Prefixes per ASN: 21.61
AfriNIC Region origin ASes announcing only one prefix: 92
AfriNIC Region transit ASes present in the Internet Routing Table: 63
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 20164352
Equivalent to 1 /8s, 51 /16s and 175 /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
17488 1537 138 95 Hathway IP Over Cable Interne
4766 1536 6930 404 Korea Telecom (KIX)
4755 1210 308 142 Videsh Sanchar Nigam Ltd. Aut
9583 1145 90 561 Sify Limited
4134 925 17080 376 CHINANET-BACKBONE
7545 807 198 102 TPG Internet Pty Ltd
18101 753 201 33 Reliance Infocom Ltd Internet
24560 724 230 172 Bharti Airtel Ltd.
9829 718 603 18 BSNL National Internet Backbo
17908 683 194 47 Tata Communications
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4269 3646 332 bellsouth.net, inc.
20115 2064 1465 676 Charter Communications
4323 1884 1038 388 Time Warner Telecom
1785 1703 714 138 AppliedTheory Corporation
7018 1486 9993 1029 AT&T WorldNet Services
2386 1265 655 927 AT&T Data Communications Serv
3356 1206 10961 441 Level 3 Communications, LLC
6478 1206 274 317 AT&T Worldnet Services
11492 1118 208 12 Cable One
22773 1069 2604 66 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 626 1861 344 UUNET - Commercial IP service
12479 469 578 6 Uni2 Autonomous System
3292 465 1902 394 TDC Tele Danmark
30890 414 88 194 Evolva Telecom
3301 375 1668 308 TeliaNet Sweden
8997 356 152 8 SPBNIT-RU Autonomous System
35805 354 40 5 United Telecom AS
8866 352 109 22 Bulgarian Telecommunication C
3320 342 7067 298 Deutsche Telekom AG
3215 341 3041 106 France Telecom Transpac
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7303 2017 301 83 Telecom Argentina Stet-France
8151 1465 2879 233 Uninet S.A. de C.V.
10620 933 211 102 TVCABLE BOGOTA
22047 601 302 14 Types of queries are: POCs, o
28573 583 570 31 Types of queries are: POCs, o
11830 483 292 71 Instituto Costarricense de El
6471 439 96 31 ENTEL CHILE S.A.
11172 439 99 68 Alestra
7738 420 798 29 Telecomunicacoes da Bahia S.A
16735 404 108 11 Companhia de Telecomunicacoes
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 951 188 7 TEDATA
24863 901 87 44 LINKdotNET AS number
20858 322 34 5 EgyNet
3741 276 856 236 The Internet Solution
2018 243 215 143 TENET-1
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/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4269 3646 332 bellsouth.net, inc.
20115 2064 1465 676 Charter Communications
7303 2017 301 83 Telecom Argentina Stet-France
4323 1884 1038 388 Time Warner Telecom
1785 1703 714 138 AppliedTheory Corporation
17488 1537 138 95 Hathway IP Over Cable Interne
4766 1536 6930 404 Korea Telecom (KIX)
7018 1486 9993 1029 AT&T WorldNet Services
8151 1465 2879 233 Uninet S.A. de C.V.
2386 1265 655 927 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7303 2017 1934 Telecom Argentina Stet-France
1785 1703 1565 AppliedTheory Corporation
4323 1884 1496 Time Warner Telecom
17488 1537 1442 Hathway IP Over Cable Interne
20115 2064 1388 Charter Communications
8151 1465 1232 Uninet S.A. de C.V.
4766 1536 1132 Korea Telecom (KIX)
11492 1118 1106 Cable One
4755 1210 1068 Videsh Sanchar Nigam Ltd. Aut
18566 1062 1052 Covad Communications
Complete listing at http://thyme.apnic.net/rviews/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/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.29.248.71/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
1.1.1.0/24 16735 Companhia de Telecomunicacoes
10.29.248.71/32 286 KPNQwest Backbone AS
36.126.8.255/8 77 Johns Hopkins University Appl
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
Complete listing at http://thyme.apnic.net/rviews/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 /8:21 /9:10 /10:22 /11:58 /12:171
/13:353 /14:612 /15:1170 /16:10552 /17:4834 /18:8274
/19:17088 /20:20519 /21:20587 /22:27312 /23:26559 /24:154132
/25:602 /26:790 /27:294 /28:331 /29:697 /30:367
/31:4 /32:241
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2780 4269 bellsouth.net, inc.
7303 1517 2017 Telecom Argentina Stet-France
17488 1283 1537 Hathway IP Over Cable Interne
4766 1237 1536 Korea Telecom (KIX)
1785 1177 1703 AppliedTheory Corporation
20115 1083 2064 Charter Communications
11492 1045 1118 Cable One
18566 1043 1062 Covad Communications
9583 997 1145 Sify Limited
2386 982 1265 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:13 8:206 12:2155 13:8 15:19
16:3 17:4 20:36 24:1119 32:150 34:2
38:573 40:97 41:1708 43:1 44:2 47:13
52:4 55:2 56:3 57:37 58:579 59:655
60:460 61:1087 62:1156 63:2059 64:3708 65:2415
66:3659 67:1623 68:828 69:2664 70:554 71:163
72:1693 73:2 74:1614 75:173 76:335 77:846
78:573 79:359 80:993 81:841 82:600 83:456
84:641 85:1054 86:404 87:682 88:353 89:1463
90:49 91:2392 92:351 93:1138 94:1240 95:1116
96:149 97:231 98:252 99:23 110:168 111:48
112:169 113:132 114:258 115:301 116:1167 117:537
118:318 119:712 120:146 121:780 122:1042 123:703
124:998 125:1345 128:218 129:238 130:127 131:400
132:73 133:9 134:185 135:38 136:224 137:162
138:164 139:90 140:438 141:120 142:380 143:347
144:364 145:48 146:386 147:155 148:520 149:314
150:178 151:193 152:145 153:152 154:2 155:275
156:165 157:302 158:116 159:344 160:284 161:153
162:273 163:162 164:482 165:501 166:456 167:359
168:663 169:170 170:505 171:40 172:10 173:307
174:233 178:1 186:96 187:123 188:106 189:532
190:3212 192:5858 193:4373 194:3432 195:2835 196:1094
198:3603 199:3356 200:5477 201:1431 202:7856 203:8258
204:3882 205:2261 206:2445 207:2741 208:3882 209:3388
210:2544 211:1157 212:1663 213:1710 214:74 215:24
216:4562 217:1331 218:399 219:435 220:1118 221:483
222:307
End of report