Routing Table Report 00:00 GMT Fri 09 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: 328338
Prefixes after maximum aggregation: 148811
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 103976
Total ASes present in the Internet Routing Table: 34346
Prefixes per ASN: 9.56
Origin-only ASes present in the Internet Routing Table: 29626
Origin ASes announcing only one prefix: 14425
Transit ASes present in the Internet Routing Table: 4720
Transit-only ASes present in the Internet Routing Table: 121
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 27
Max AS path prepend of ASN (43120) 25
Prefixes from unregistered ASNs in the Routing Table: 350
Unregistered ASNs in the Routing Table: 134
Number of 32-bit ASNs allocated by the RIRs: 666
Prefixes from 32-bit ASNs in the Routing Table: 16
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 178
Number of addresses announced to Internet: 1280251371
Equivalent to 76 /8s, 79 /16s and 21 /24s
Percentage of available address space announced: 34.5
Percentage of allocated address space announced: 37.2
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.6
Total number of prefixes smaller than registry allocations: 155991
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77414
Total APNIC prefixes after maximum aggregation: 26237
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 74420
Unique aggregates announced from the APNIC address blocks: 22161
APNIC Region origin ASes present in the Internet Routing Table: 4095
APNIC Prefixes per ASN: 18.17
APNIC Region origin ASes announcing only one prefix: 1147
APNIC Region transit ASes present in the Internet Routing Table: 651
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 263269314
Equivalent to 15 /8s, 177 /16s and 43 /24s
Percentage of available APNIC address space announced: 39.2
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: 136749
Total ARIN prefixes after maximum aggregation: 70152
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 108495
Unique aggregates announced from the ARIN address blocks: 23861
ARIN Region origin ASes present in the Internet Routing Table: 13794
ARIN Prefixes per ASN: 7.87
ARIN Region origin ASes announcing only one prefix: 5300
ARIN Region transit ASes present in the Internet Routing Table: 1403
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 445425185
Equivalent to 26 /8s, 140 /16s and 166 /24s
Percentage of available ARIN address space announced: 37.9
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: 77517
Total RIPE prefixes after maximum aggregation: 43494
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 70610
Unique aggregates announced from the RIPE address blocks: 21291
RIPE Region origin ASes present in the Internet Routing Table: 14589
RIPE Prefixes per ASN: 4.84
RIPE Region origin ASes announcing only one prefix: 7464
RIPE Region transit ASes present in the Internet Routing Table: 2289
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 125572204
Equivalent to 7 /8s, 124 /16s and 20 /24s
Percentage of available RIPE address space announced: 22.0
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: 29085
Total LACNIC prefixes after maximum aggregation: 6949
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 27570
Unique aggregates announced from the LACNIC address blocks: 14455
LACNIC Region origin ASes present in the Internet Routing Table: 1306
LACNIC Prefixes per ASN: 21.11
LACNIC Region origin ASes announcing only one prefix: 400
LACNIC Region transit ASes present in the Internet Routing Table: 231
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75229128
Equivalent to 4 /8s, 123 /16s and 231 /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: 7296
Total AfriNIC prefixes after maximum aggregation: 1830
AfriNIC Deaggregation factor: 3.99
Prefixes being announced from the AfriNIC address blocks: 5607
Unique aggregates announced from the AfriNIC address blocks: 1620
AfriNIC Region origin ASes present in the Internet Routing Table: 370
AfriNIC Prefixes per ASN: 15.15
AfriNIC Region origin ASes announcing only one prefix: 114
AfriNIC Region transit ASes present in the Internet Routing Table: 81
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 19130112
Equivalent to 1 /8s, 35 /16s and 231 /24s
Percentage of available AfriNIC address space announced: 57.0
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 1698 8425 488 Korea Telecom (KIX)
7545 1359 232 105 TPG Internet Pty Ltd
4755 1339 296 158 Videsh Sanchar Nigam Ltd. Aut
17488 1327 144 127 Hathway IP Over Cable Interne
17974 1156 285 29 PT TELEKOMUNIKASI INDONESIA
9583 999 106 489 Sify Limited
24560 926 305 168 Bharti Airtel Ltd.
4134 855 21420 409 CHINANET-BACKBONE
9829 813 685 32 BSNL National Internet Backbo
4808 771 1504 197 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 3902 3733 287 bellsouth.net, inc.
4323 2719 1114 395 Time Warner Telecom
19262 1828 4562 275 Verizon Global Networks
1785 1777 698 129 AppliedTheory Corporation
20115 1609 1526 649 Charter Communications
7018 1504 5726 955 AT&T WorldNet Services
6478 1283 258 125 AT&T Worldnet Services
2386 1274 552 906 AT&T Data Communications Serv
3356 1190 10873 401 Level 3 Communications, LLC
22773 1167 2859 65 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
35805 650 56 6 United Telecom AS
9116 532 328 32 Goldenlines main autonomous s
3292 477 2027 392 TDC Tele Danmark
30890 442 111 207 Evolva Telecom
3216 427 148 30 Teleross, Moscow, Russia
702 414 1869 326 UUNET - Commercial IP service
9198 409 202 13 Kazakhtelecom Corporate Sales
8866 403 117 18 Bulgarian Telecommunication C
8551 402 355 38 Bezeq International
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 1570 3000 242 Uninet S.A. de C.V.
10620 1066 238 150 TVCABLE BOGOTA
28573 1041 820 92 Types of queries are: POCs, o
7303 761 390 103 Telecom Argentina Stet-France
6503 683 175 219 AVANTEL, S.A.
22047 548 310 15 Types of queries are: POCs, o
3816 497 215 86 COLOMBIA TELECOMUNICACIONES S
7738 477 922 30 Telecomunicacoes da Bahia S.A
14420 465 30 68 Types of queries are: POCs, o
11172 455 84 77 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 1165 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 646 279 185 Etisalat MISR
3741 267 834 229 The Internet Solution
33776 219 12 11 Starcomms Nigeria Limited
2018 207 228 60 TENET-1
6713 195 186 16 Itissalat Al-MAGHRIB
24835 191 78 10 RAYA Telecom - Egypt
29571 177 19 10 Ci Telecom Autonomous system
16637 169 441 101 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 3902 3733 287 bellsouth.net, inc.
4323 2719 1114 395 Time Warner Telecom
19262 1828 4562 275 Verizon Global Networks
1785 1777 698 129 AppliedTheory Corporation
4766 1698 8425 488 Korea Telecom (KIX)
20115 1609 1526 649 Charter Communications
8151 1570 3000 242 Uninet S.A. de C.V.
7018 1504 5726 955 AT&T WorldNet Services
7545 1359 232 105 TPG Internet Pty Ltd
4755 1339 296 158 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2719 2324 Time Warner Telecom
1785 1777 1648 AppliedTheory Corporation
19262 1828 1553 Verizon Global Networks
8151 1570 1328 Uninet S.A. de C.V.
7545 1359 1254 TPG Internet Pty Ltd
4766 1698 1210 Korea Telecom (KIX)
17488 1327 1200 Hathway IP Over Cable Interne
4755 1339 1181 Videsh Sanchar Nigam Ltd. Aut
6478 1283 1158 AT&T Worldnet Services
8452 1165 1155 TEDATA
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 /8:20 /9:10 /10:25 /11:68 /12:196
/13:407 /14:709 /15:1288 /16:11193 /17:5456 /18:9289
/19:18753 /20:23430 /21:23205 /22:30369 /23:30064 /24:171490
/25:419 /26:636 /27:218 /28:315 /29:166 /30:351
/31:0 /32:261
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2502 3902 bellsouth.net, inc.
4323 1392 2719 Time Warner Telecom
4766 1328 1698 Korea Telecom (KIX)
1785 1238 1777 AppliedTheory Corporation
11492 1074 1165 Cable One
17488 1072 1327 Hathway IP Over Cable Interne
18566 1068 1087 Covad Communications
8452 1053 1165 TEDATA
10620 982 1066 TVCABLE BOGOTA
7018 907 1504 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:7 2:2 4:17 8:290 12:2023 13:7
14:1 15:22 16:3 17:8 20:17 24:1481
27:239 31:1 32:142 33:12 38:682 40:98
41:2434 44:3 46:1 47:18 52:9 55:4
56:2 57:39 58:755 59:503 60:459 61:1089
62:1091 63:1978 64:3671 65:2361 66:4079 67:1839
68:1122 69:2883 70:719 71:386 72:2000 73:2
74:2278 75:251 76:313 77:949 78:618 79:443
80:988 81:811 82:514 83:454 84:718 85:1071
86:465 87:784 88:339 89:1726 90:94 91:2902
92:494 93:992 94:1404 95:647 96:353 97:206
98:594 99:31 108:100 109:571 110:365 111:542
112:272 113:317 114:428 115:567 116:1076 117:652
118:479 119:943 120:135 121:728 122:1461 123:933
124:1145 125:1322 128:228 129:203 130:196 131:552
132:251 133:17 134:197 135:45 136:240 137:159
138:264 139:120 140:484 141:198 142:346 143:377
144:468 145:51 146:450 147:169 148:662 149:300
150:152 151:230 152:298 153:169 154:2 155:328
156:159 157:323 158:109 159:379 160:315 161:181
162:254 163:172 164:409 165:366 166:461 167:412
168:653 169:157 170:714 171:59 172:2 173:934
174:471 175:136 176:1 178:275 180:516 182:154
183:235 184:107 186:493 187:386 188:1043 189:782
190:3785 192:5772 193:4726 194:3438 195:2964 196:1181
198:3593 199:3467 200:5340 201:1569 202:8149 203:8302
204:4075 205:2331 206:2529 207:3115 208:3881 209:3460
210:2551 211:1290 212:1761 213:1713 214:636 215:69
216:4695 217:1550 218:499 219:378 220:1144 221:401
222:337 223:1
End of report