Routing Table Report 00:00 GMT Thu 12 Feb, 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: 274457
Prefixes after maximum aggregation: 131683
Deaggregation factor: 2.08
Unique aggregates announced to Internet: 135054
Total ASes present in the Internet Routing Table: 30514
Prefixes per ASN: 8.99
Origin-only ASes present in the Internet Routing Table: 26516
Origin ASes announcing only one prefix: 12947
Transit ASes present in the Internet Routing Table: 3998
Transit-only ASes present in the Internet Routing Table: 95
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 31
Max AS path prepend of ASN (15475) 29
Prefixes from unregistered ASNs in the Routing Table: 1104
Unregistered ASNs in the Routing Table: 339
Number of 32-bit ASNs allocated by the RIRs: 101
Prefixes from 32-bit ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 232
Number of addresses announced to Internet: 1930632649
Equivalent to 115 /8s, 19 /16s and 29 /24s
Percentage of available address space announced: 52.1
Percentage of allocated address space announced: 60.9
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 75.7
Total number of prefixes smaller than registry allocations: 133796
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58030
Total APNIC prefixes after maximum aggregation: 21345
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 54805
Unique aggregates announced from the APNIC address blocks: 26019
APNIC Region origin ASes present in the Internet Routing Table: 3470
APNIC Prefixes per ASN: 15.79
APNIC Region origin ASes announcing only one prefix: 976
APNIC Region transit ASes present in the Internet Routing Table: 549
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 329865728
Equivalent to 19 /8s, 169 /16s and 90 /24s
Percentage of available APNIC address space announced: 65.5
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,
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: 122403
Total ARIN prefixes after maximum aggregation: 65493
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91319
Unique aggregates announced from the ARIN address blocks: 35505
ARIN Region origin ASes present in the Internet Routing Table: 12770
ARIN Prefixes per ASN: 7.15
ARIN Region origin ASes announcing only one prefix: 4895
ARIN Region transit ASes present in the Internet Routing Table: 1245
Average ARIN Region AS path length visible: 3.2
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 414529793
Equivalent to 24 /8s, 181 /16s and 57 /24s
Percentage of available ARIN address space announced: 79.7
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
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: 63902
Total RIPE prefixes after maximum aggregation: 37335
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 59010
Unique aggregates announced from the RIPE address blocks: 38608
RIPE Region origin ASes present in the Internet Routing Table: 12654
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 6647
RIPE Region transit ASes present in the Internet Routing Table: 1925
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 388666336
Equivalent to 23 /8s, 42 /16s and 147 /24s
Percentage of available RIPE address space announced: 82.7
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, 47104-49151
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: 25095
Total LACNIC prefixes after maximum aggregation: 5704
LACNIC Deaggregation factor: 4.40
Prefixes being announced from the LACNIC address blocks: 23269
Unique aggregates announced from the LACNIC address blocks: 11847
LACNIC Region origin ASes present in the Internet Routing Table: 1069
LACNIC Prefixes per ASN: 21.77
LACNIC Region origin ASes announcing only one prefix: 342
LACNIC Region transit ASes present in the Internet Routing Table: 176
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 60640154
Equivalent to 3 /8s, 157 /16s and 75 /24s
Percentage of available LACNIC address space announced: 60.2
LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4500
Total AfriNIC prefixes after maximum aggregation: 1392
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4051
Unique aggregates announced from the AfriNIC address blocks: 1390
AfriNIC Region origin ASes present in the Internet Routing Table: 285
AfriNIC Prefixes per ASN: 14.21
AfriNIC Region origin ASes announcing only one prefix: 87
AfriNIC Region transit ASes present in the Internet Routing Table: 55
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 9983616
Equivalent to 0 /8s, 152 /16s and 86 /24s
Percentage of available AfriNIC address space announced: 29.8
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 1506 109 96 Hathway IP Over Cable Interne
4755 1119 382 174 Videsh Sanchar Nigam Ltd. Aut
4766 1037 5455 228 Korea Telecom (KIX)
9583 890 75 361 Sify Limited
4134 726 13694 321 CHINANET-BACKBONE
9498 682 297 52 BHARTI BT INTERNET LTD.
24560 671 228 174 Bharti Airtel Ltd.
9829 620 475 18 BSNL National Internet Backbo
7545 599 126 97 TPG Internet Pty Ltd
1221 568 2137 440 Telstra Pty Ltd
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 4372 3417 341 bellsouth.net, inc.
1785 1787 733 139 AppliedTheory Corporation
4323 1641 1081 376 Time Warner Telecom
20115 1592 1418 726 Charter Communications
7018 1440 9980 990 AT&T WorldNet Services
2386 1251 699 903 AT&T Data Communications Serv
6478 1232 293 503 AT&T Worldnet Services
11492 1223 192 13 Cable One
3356 1144 10976 438 Level 3 Communications, LLC
18566 1061 296 10 Covad Communications
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
8452 1057 188 7 TEDATA
3292 450 1762 388 TDC Tele Danmark
35228 449 144 5 Avatar Broadband Limited
30890 439 88 201 Evolva Telecom
12479 397 578 6 Uni2 Autonomous System
3320 340 7064 290 Deutsche Telekom AG
3301 338 1669 304 TeliaNet Sweden
3215 336 2946 103 France Telecom Transpac
8866 336 109 22 Bulgarian Telecommunication C
29049 331 26 3 AzerSat LLC.
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 1804 255 79 Telecom Argentina Stet-France
8151 1432 2834 231 Uninet S.A. de C.V.
10620 745 163 93 TVCABLE BOGOTA
11830 694 299 9 Instituto Costarricense de El
22047 619 302 14 Types of queries are: POCs, o
6471 439 95 42 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
7738 410 794 28 Telecomunicacoes da Bahia S.A
11172 405 118 74 Alestra
28573 381 506 23 Types of queries are: POCs, o
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
24863 651 74 39 LINKdotNET AS number
20858 278 34 3 EgyNet
3741 271 857 229 The Internet Solution
2018 242 215 142 TENET-1
33783 150 10 8 EEPAD TISP TELECOM & INTERNET
6713 144 135 11 Itissalat Al-MAGHRIB
29571 128 15 8 Ci Telecom Autonomous system
5536 119 7 20 Internet Egypt Network
33776 118 6 3 Starcomms Nigeria Limited
5713 117 555 66 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 4372 3417 341 bellsouth.net, inc.
7303 1804 255 79 Telecom Argentina Stet-France
1785 1787 733 139 AppliedTheory Corporation
4323 1641 1081 376 Time Warner Telecom
20115 1592 1418 726 Charter Communications
17488 1506 109 96 Hathway IP Over Cable Interne
7018 1440 9980 990 AT&T WorldNet Services
8151 1432 2834 231 Uninet S.A. de C.V.
2386 1251 699 903 AT&T Data Communications Serv
6478 1232 293 503 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7303 1804 1725 Telecom Argentina Stet-France
1785 1787 1648 AppliedTheory Corporation
17488 1506 1410 Hathway IP Over Cable Interne
4323 1641 1265 Time Warner Telecom
11492 1223 1210 Cable One
8151 1432 1201 Uninet S.A. de C.V.
18566 1061 1051 Covad Communications
8452 1057 1050 TEDATA
22773 1005 949 Cox Communications, Inc.
4755 1119 945 Videsh Sanchar Nigam Ltd. Aut
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
10.29.248.65/32 286 KPNQwest Backbone AS
10.29.248.71/32 286 KPNQwest Backbone AS
192.168.192.0/21 7497 Computer Network Information
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.220.16.0/20 8668 TelOne Zimbabwe P/L
41.223.112.0/22 5713 Telkom SA Ltd
41.223.189.0/24 26452 Local Communications Networks
62.12.96.0/19 15834 MenaNet network Autonomous Sy
62.12.107.0/24 15834 MenaNet network Autonomous Sy
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /8:19 /9:10 /10:18 /11:52 /12:156
/13:294 /14:552 /15:1074 /16:9834 /17:4348 /18:7464
/19:16094 /20:19248 /21:18906 /22:24746 /23:24671 /24:145663
/25:282 /26:416 /27:213 /28:86 /29:131 /30:75
/31:0 /32:105
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2851 4372 bellsouth.net, inc.
7303 1332 1804 Telecom Argentina Stet-France
17488 1287 1506 Hathway IP Over Cable Interne
1785 1199 1787 AppliedTheory Corporation
11492 1187 1223 Cable One
18566 1042 1061 Covad Communications
8452 1031 1057 TEDATA
2386 943 1251 AT&T Data Communications Serv
7011 844 965 Citizens Utilities
4323 815 1641 Time Warner Telecom
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:180 12:2212 13:2 15:21 16:3
17:5 20:35 24:1130 32:132 38:544 40:96
41:1760 43:1 44:2 47:11 52:3 55:2
56:3 57:37 58:541 59:604 60:459 61:1100
62:1185 63:1942 64:3432 65:2434 66:3580 67:1477
68:654 69:2482 70:529 71:160 72:1623 73:2
74:1414 75:204 76:304 77:771 78:552 79:322
80:964 81:824 82:559 83:400 84:608 85:995
86:398 87:648 88:351 89:1373 90:41 91:1960
92:274 93:1132 94:1107 95:405 96:95 97:180
98:193 99:16 109:1 110:1 111:1 112:77
113:83 114:172 115:222 116:1169 117:485 118:274
119:639 120:132 121:716 122:937 123:521 124:852
125:1276 128:224 129:222 130:134 131:413 132:75
133:9 134:345 135:37 136:225 137:139 138:145
139:87 140:424 141:105 142:377 143:329 144:315
145:38 146:352 147:147 148:527 149:306 150:140
151:197 152:151 153:139 154:10 155:256 156:171
157:295 158:157 159:240 160:281 161:138 162:273
163:143 164:514 165:503 166:274 167:351 168:682
169:161 170:498 171:40 172:10 173:211 174:62
178:1 186:5 187:71 189:394 190:2860 192:5844
193:4289 194:3428 195:2756 196:1066 198:3699 199:3295
200:5816 201:1618 202:7941 203:7985 204:3918 205:2175
206:2361 207:2752 208:3836 209:3441 210:2646 211:1160
212:1522 213:1734 214:65 215:30 216:4575 217:1215
218:249
End of report