Routing Table Report 00:00 GMT Fri 03 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: 295783
Prefixes after maximum aggregation: 137757
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 143645
Total ASes present in the Internet Routing Table: 31668
Prefixes per ASN: 9.34
Origin-only ASes present in the Internet Routing Table: 27494
Origin ASes announcing only one prefix: 13360
Transit ASes present in the Internet Routing Table: 4174
Transit-only ASes present in the Internet Routing Table: 105
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 541
Unregistered ASNs in the Routing Table: 159
Number of 32-bit ASNs allocated by the RIRs: 192
Prefixes from 32-bit ASNs in the Routing Table: 66
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 364
Number of addresses announced to Internet: 2063133370
Equivalent to 122 /8s, 248 /16s and 234 /24s
Percentage of available address space announced: 55.7
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: 147261
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69204
Total APNIC prefixes after maximum aggregation: 24307
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 68631
Unique aggregates announced from the APNIC address blocks: 30935
APNIC Region origin ASes present in the Internet Routing Table: 3688
APNIC Prefixes per ASN: 18.61
APNIC Region origin ASes announcing only one prefix: 1000
APNIC Region transit ASes present in the Internet Routing Table: 578
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 462190032
Equivalent to 27 /8s, 140 /16s and 117 /24s
Percentage of available APNIC address space announced: 86.1
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: 125453
Total ARIN prefixes after maximum aggregation: 66277
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 125905
Unique aggregates announced from the ARIN address blocks: 51876
ARIN Region origin ASes present in the Internet Routing Table: 13076
ARIN Prefixes per ASN: 9.63
ARIN Region origin ASes announcing only one prefix: 5025
ARIN Region transit ASes present in the Internet Routing Table: 1301
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1010114581
Equivalent to 60 /8s, 53 /16s and 32 /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: 68002
Total RIPE prefixes after maximum aggregation: 39353
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 67927
Unique aggregates announced from the RIPE address blocks: 44532
RIPE Region origin ASes present in the Internet Routing Table: 13247
RIPE Prefixes per ASN: 5.13
RIPE Region origin ASes announcing only one prefix: 6886
RIPE Region transit ASes present in the Internet Routing Table: 1978
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 496304264
Equivalent to 29 /8s, 149 /16s and 0 /24s
Percentage of available RIPE address space announced: 105.7
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: 26591
Total LACNIC prefixes after maximum aggregation: 6008
LACNIC Deaggregation factor: 4.43
Prefixes being announced from the LACNIC address blocks: 26445
Unique aggregates announced from the LACNIC address blocks: 13493
LACNIC Region origin ASes present in the Internet Routing Table: 1141
LACNIC Prefixes per ASN: 23.18
LACNIC Region origin ASes announcing only one prefix: 359
LACNIC Region transit ASes present in the Internet Routing Table: 190
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 71905288
Equivalent to 4 /8s, 73 /16s and 48 /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: 6102
Total AfriNIC prefixes after maximum aggregation: 1488
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 6497
Unique aggregates announced from the AfriNIC address blocks: 2526
AfriNIC Region origin ASes present in the Internet Routing Table: 300
AfriNIC Prefixes per ASN: 21.66
AfriNIC Region origin ASes announcing only one prefix: 90
AfriNIC Region transit ASes present in the Internet Routing Table: 66
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC addresses announced to Internet: 20158976
Equivalent to 1 /8s, 51 /16s and 154 /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
4766 1539 6934 406 Korea Telecom (KIX)
17488 1537 138 95 Hathway IP Over Cable Interne
4755 1210 308 142 Videsh Sanchar Nigam Ltd. Aut
9583 1125 89 552 Sify Limited
4134 925 17080 376 CHINANET-BACKBONE
7545 808 198 102 TPG Internet Pty Ltd
18101 753 200 32 Reliance Infocom Ltd Internet
9829 744 611 14 BSNL National Internet Backbo
24560 724 230 172 Bharti Airtel Ltd.
17974 685 226 59 PT TELEKOMUNIKASI INDONESIA
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 4266 3643 323 bellsouth.net, inc.
20115 2063 1465 675 Charter Communications
4323 1882 1046 388 Time Warner Telecom
1785 1705 714 139 AppliedTheory Corporation
7018 1502 10028 1044 AT&T WorldNet Services
2386 1266 655 928 AT&T Data Communications Serv
3356 1208 10961 443 Level 3 Communications, LLC
6478 1206 274 317 AT&T Worldnet Services
11492 1122 208 12 Cable One
22773 1071 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
702 627 1861 345 UUNET - Commercial IP service
12479 473 578 6 Uni2 Autonomous System
3292 466 1902 395 TDC Tele Danmark
30890 414 88 194 Evolva Telecom
3301 376 1684 309 TeliaNet Sweden
8997 357 152 8 SPBNIT-RU Autonomous System
35805 353 40 5 United Telecom AS
8866 352 109 22 Bulgarian Telecommunication C
3320 344 7067 300 Deutsche Telekom AG
3215 342 3049 107 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 2031 304 86 Telecom Argentina Stet-France
8151 1463 2883 231 Uninet S.A. de C.V.
10620 933 211 102 TVCABLE BOGOTA
28573 612 570 31 Types of queries are: POCs, o
22047 601 302 14 Types of queries are: POCs, o
11830 488 293 55 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 994 188 7 TEDATA
24863 892 88 46 LINKdotNET AS number
20858 321 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 4266 3643 323 bellsouth.net, inc.
20115 2063 1465 675 Charter Communications
7303 2031 304 86 Telecom Argentina Stet-France
4323 1882 1046 388 Time Warner Telecom
1785 1705 714 139 AppliedTheory Corporation
4766 1539 6934 406 Korea Telecom (KIX)
17488 1537 138 95 Hathway IP Over Cable Interne
7018 1502 10028 1044 AT&T WorldNet Services
8151 1463 2883 231 Uninet S.A. de C.V.
2386 1266 655 928 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 2031 1945 Telecom Argentina Stet-France
1785 1705 1566 AppliedTheory Corporation
4323 1882 1494 Time Warner Telecom
17488 1537 1442 Hathway IP Over Cable Interne
20115 2063 1388 Charter Communications
8151 1463 1232 Uninet S.A. de C.V.
4766 1539 1133 Korea Telecom (KIX)
11492 1122 1110 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 /8:20 /9:10 /10:22 /11:58 /12:171
/13:354 /14:612 /15:1170 /16:10555 /17:4839 /18:8280
/19:17088 /20:20556 /21:20547 /22:27365 /23:26579 /24:154242
/25:602 /26:788 /27:297 /28:331 /29:696 /30:360
/31:4 /32:237
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2778 4266 bellsouth.net, inc.
7303 1528 2031 Telecom Argentina Stet-France
17488 1283 1537 Hathway IP Over Cable Interne
4766 1238 1539 Korea Telecom (KIX)
1785 1177 1705 AppliedTheory Corporation
20115 1082 2063 Charter Communications
11492 1048 1122 Cable One
18566 1043 1062 Covad Communications
2386 983 1266 AT&T Data Communications Serv
9583 977 1125 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:13 8:208 12:2156 13:8 15:19
16:3 17:4 20:36 24:1161 32:150 34:2
38:576 40:98 41:1742 43:1 44:2 47:22
52:4 55:2 56:3 57:37 58:580 59:654
60:460 61:1087 62:1154 63:2059 64:3698 65:2418
66:3661 67:1621 68:827 69:2665 70:555 71:163
72:1692 73:2 74:1616 75:173 76:335 77:850
78:574 79:361 80:996 81:840 82:593 83:457
84:640 85:1061 86:406 87:684 88:355 89:1456
90:49 91:2394 92:351 93:1127 94:1241 95:1114
96:150 97:230 98:253 99:23 110:170 111:49
112:168 113:131 114:260 115:302 116:1167 117:538
118:318 119:728 120:147 121:781 122:1044 123:704
124:982 125:1386 128:218 129:239 130:127 131:400
132:74 133:9 134:185 135:39 136:224 137:162
138:164 139:90 140:442 141:119 142:391 143:350
144:365 145:48 146:386 147:155 148:519 149:314
150:177 151:193 152:145 153:152 154:2 155:274
156:165 157:302 158:117 159:344 160:284 161:153
162:273 163:162 164:479 165:501 166:456 167:359
168:664 169:170 170:506 171:41 172:10 173:306
174:233 178:1 186:97 187:124 188:101 189:541
190:3199 192:5856 193:4369 194:3432 195:2823 196:1090
198:3603 199:3358 200:5473 201:1435 202:7847 203:8249
204:3887 205:2260 206:2446 207:2745 208:3888 209:3383
210:2546 211:1160 212:1653 213:1710 214:73 215:25
216:4557 217:1328 218:402 219:436 220:1118 221:484
222:307
End of report