Routing Table Report 00:00 GMT Thu 01 Jul, 2010
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: 326782
Prefixes after maximum aggregation: 148768
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 158615
Total ASes present in the Internet Routing Table: 34365
Prefixes per ASN: 9.51
Origin-only ASes present in the Internet Routing Table: 29617
Origin ASes announcing only one prefix: 14437
Transit ASes present in the Internet Routing Table: 4748
Transit-only ASes present in the Internet Routing Table: 123
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 33
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 350
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 648
Prefixes from 32-bit ASNs in the Routing Table: 30
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2254089971
Equivalent to 134 /8s, 90 /16s and 174 /24s
Percentage of available address space announced: 60.8
Percentage of allocated address space announced: 65.6
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.4
Total number of prefixes smaller than registry allocations: 155085
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77054
Total APNIC prefixes after maximum aggregation: 26235
APNIC Deaggregation factor: 2.94
Prefixes being announced from the APNIC address blocks: 74034
Unique aggregates announced from the APNIC address blocks: 33113
APNIC Region origin ASes present in the Internet Routing Table: 4091
APNIC Prefixes per ASN: 18.10
APNIC Region origin ASes announcing only one prefix: 1145
APNIC Region transit ASes present in the Internet Routing Table: 663
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 525969090
Equivalent to 31 /8s, 89 /16s and 166 /24s
Percentage of available APNIC address space announced: 78.4
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 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, 133/8, 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, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 135740
Total ARIN prefixes after maximum aggregation: 70087
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107695
Unique aggregates announced from the ARIN address blocks: 41775
ARIN Region origin ASes present in the Internet Routing Table: 13797
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5305
ARIN Region transit ASes present in the Internet Routing Table: 1420
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 730706209
Equivalent to 43 /8s, 141 /16s and 177 /24s
Percentage of available ARIN address space announced: 62.2
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, 393216-394239
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, 50/8, 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, 107/8,
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: 77380
Total RIPE prefixes after maximum aggregation: 43531
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 70614
Unique aggregates announced from the RIPE address blocks: 44428
RIPE Region origin ASes present in the Internet Routing Table: 14600
RIPE Prefixes per ASN: 4.84
RIPE Region origin ASes announcing only one prefix: 7476
RIPE Region transit ASes present in the Internet Routing Table: 2264
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 432945588
Equivalent to 25 /8s, 206 /16s and 57 /24s
Percentage of available RIPE address space announced: 75.9
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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 31/8, 46/8, 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, 176/8, 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: 29015
Total LACNIC prefixes after maximum aggregation: 6899
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 27468
Unique aggregates announced from the LACNIC address blocks: 14361
LACNIC Region origin ASes present in the Internet Routing Table: 1306
LACNIC Prefixes per ASN: 21.03
LACNIC Region origin ASes announcing only one prefix: 399
LACNIC Region transit ASes present in the Internet Routing Table: 238
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75304328
Equivalent to 4 /8s, 125 /16s and 13 /24s
Percentage of available LACNIC address space announced: 56.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 7324
Total AfriNIC prefixes after maximum aggregation: 1856
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 5602
Unique aggregates announced from the AfriNIC address blocks: 1740
AfriNIC Region origin ASes present in the Internet Routing Table: 377
AfriNIC Prefixes per ASN: 14.86
AfriNIC Region origin ASes announcing only one prefix: 112
AfriNIC Region transit ASes present in the Internet Routing Table: 85
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC addresses announced to Internet: 19527424
Equivalent to 1 /8s, 41 /16s and 247 /24s
Percentage of available AfriNIC address space announced: 58.2
AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 1692 8422 481 Korea Telecom (KIX)
7545 1341 232 105 TPG Internet Pty Ltd
4755 1336 295 155 Videsh Sanchar Nigam Ltd. Aut
17488 1322 140 131 Hathway IP Over Cable Interne
17974 1135 285 28 PT TELEKOMUNIKASI INDONESIA
9583 997 105 488 Sify Limited
24560 929 306 171 Bharti Airtel Ltd.
4134 854 21292 408 CHINANET-BACKBONE
9829 810 684 41 BSNL National Internet Backbo
4808 797 1515 204 CNCGROUP IP network: China169
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 3910 3733 287 bellsouth.net, inc.
4323 2712 1114 394 Time Warner Telecom
1785 1794 698 130 AppliedTheory Corporation
20115 1630 1522 648 Charter Communications
7018 1491 5724 942 AT&T WorldNet Services
6478 1289 260 91 AT&T Worldnet Services
2386 1278 568 903 AT&T Data Communications Serv
3356 1188 10872 399 Level 3 Communications, LLC
22773 1164 2859 65 Cox Communications, Inc.
11492 1158 208 72 Cable One
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
9116 530 328 32 Goldenlines main autonomous s
3292 476 2027 393 TDC Tele Danmark
30890 444 111 206 Evolva Telecom
3216 429 148 30 Teleross, Moscow, Russia
9198 411 202 13 Kazakhtelecom Corporate Sales
702 405 1867 321 UUNET - Commercial IP service
8866 403 117 18 Bulgarian Telecommunication C
8551 402 355 38 Bezeq International
35805 393 56 6 United Telecom AS
3301 371 1414 327 TeliaNet Sweden
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
8151 1579 3015 240 Uninet S.A. de C.V.
10620 1060 237 150 TVCABLE BOGOTA
28573 1012 790 96 Types of queries are: POCs, o
7303 750 386 107 Telecom Argentina Stet-France
6503 680 175 217 AVANTEL, S.A.
22047 548 310 15 Types of queries are: POCs, o
3816 494 217 80 COLOMBIA TELECOMUNICACIONES S
7738 477 922 30 Telecomunicacoes da Bahia S.A
14420 470 32 70 Types of queries are: POCs, o
11172 453 83 75 Alestra
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 1158 445 10 TEDATA
24863 727 147 38 LINKdotNET AS number
36992 645 279 185 Etisalat MISR
3741 269 852 230 The Internet Solution
33776 219 12 11 Starcomms Nigeria Limited
2018 210 244 61 TENET-1
6713 195 186 16 Itissalat Al-MAGHRIB
24835 192 78 10 RAYA Telecom - Egypt
29571 176 19 10 Ci Telecom Autonomous system
16637 144 419 92 Johnnic e-Ventures
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 3910 3733 287 bellsouth.net, inc.
4323 2712 1114 394 Time Warner Telecom
1785 1794 698 130 AppliedTheory Corporation
4766 1692 8422 481 Korea Telecom (KIX)
20115 1630 1522 648 Charter Communications
8151 1579 3015 240 Uninet S.A. de C.V.
7018 1491 5724 942 AT&T WorldNet Services
7545 1341 232 105 TPG Internet Pty Ltd
4755 1336 295 155 Videsh Sanchar Nigam Ltd. Aut
17488 1322 140 131 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2712 2318 Time Warner Telecom
1785 1794 1664 AppliedTheory Corporation
8151 1579 1339 Uninet S.A. de C.V.
7545 1341 1236 TPG Internet Pty Ltd
4766 1692 1211 Korea Telecom (KIX)
6478 1289 1198 AT&T Worldnet Services
17488 1322 1191 Hathway IP Over Cable Interne
4755 1336 1181 Videsh Sanchar Nigam Ltd. Aut
8452 1158 1148 TEDATA
17974 1135 1107 PT TELEKOMUNIKASI INDONESIA
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 1239 Sprint
26973 UNALLOCATED 12.39.154.0/23 1239 Sprint
26973 UNALLOCATED 12.39.155.0/24 1239 Sprint
26973 UNALLOCATED 12.39.159.0/24 1239 Sprint
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
172.16.0.0/16 9275 Korea Research Institute of C
192.168.248.0/24 18847 NetFire.com
192.168.249.0/24 18847 NetFire.com
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.0.0.0/16 12654 RIPE NCC RIS Project
31.1.0.0/21 12654 RIPE NCC RIS Project
31.1.24.0/24 12654 RIPE NCC RIS Project
41.222.79.0/24 36938 Amsco Telecommunications Nige
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 6453 Teleglobe Inc.
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
41.223.198.0/24 36990 Alkan Telecom Ltd
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 /10:25 /11:68 /12:196
/13:406 /14:707 /15:1286 /16:11190 /17:5451 /18:9280
/19:18745 /20:23298 /21:23169 /22:30236 /23:30069 /24:170271
/25:412 /26:632 /27:217 /28:320 /29:168 /30:351
/31:0 /32:254
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2505 3910 bellsouth.net, inc.
4323 1395 2712 Time Warner Telecom
4766 1325 1692 Korea Telecom (KIX)
1785 1258 1794 AppliedTheory Corporation
17488 1069 1322 Hathway IP Over Cable Interne
18566 1069 1088 Covad Communications
11492 1068 1158 Cable One
8452 1046 1158 TEDATA
10620 976 1060 TVCABLE BOGOTA
7018 910 1491 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 2:7 4:17 8:291 12:2017 13:7
14:1 15:23 16:3 17:8 20:21 24:1475
27:192 31:1 32:140 33:12 38:682 40:98
41:2423 44:3 47:18 52:9 55:4 56:2
57:36 58:751 59:502 60:459 61:1092 62:1083
63:1981 64:3679 65:2358 66:4064 67:1839 68:1122
69:2885 70:693 71:250 72:1889 73:2 74:2162
75:252 76:313 77:954 78:615 79:446 80:1004
81:808 82:514 83:458 84:745 85:1080 86:466
87:776 88:350 89:1733 90:94 91:2876 92:496
93:986 94:1312 95:642 96:288 97:212 98:579
99:29 108:33 109:563 110:361 111:524 112:270
113:319 114:425 115:563 116:1073 117:661 118:483
119:938 120:138 121:740 122:1452 123:930 124:1143
125:1320 128:227 129:204 130:195 131:554 132:250
133:17 134:198 135:45 136:242 137:160 138:264
139:118 140:481 141:138 142:347 143:397 144:476
145:51 146:437 147:168 148:660 149:300 150:150
151:166 152:302 153:169 154:2 155:328 156:157
157:320 158:109 159:378 160:317 161:181 162:254
163:169 164:408 165:361 166:463 167:404 168:656
169:159 170:713 171:58 172:2 173:856 174:438
175:110 176:1 178:231 180:512 182:149 183:228
184:74 186:484 187:375 188:865 189:780 190:3779
192:5779 193:4745 194:3440 195:2979 196:1185 198:3592
199:3468 200:5330 201:1564 202:8170 203:8299 204:4077
205:2336 206:2524 207:3099 208:3874 209:3458 210:2544
211:1288 212:1764 213:1754 214:650 215:69 216:4682
217:1543 218:499 219:378 220:1139 221:400 222:335
223:1
End of report