Routing Table Report 00:00 GMT Thu 15 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: 328042
Prefixes after maximum aggregation: 149141
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 158776
Total ASes present in the Internet Routing Table: 34425
Prefixes per ASN: 9.53
Origin-only ASes present in the Internet Routing Table: 29652
Origin ASes announcing only one prefix: 14465
Transit ASes present in the Internet Routing Table: 4773
Transit-only ASes present in the Internet Routing Table: 124
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 344
Unregistered ASNs in the Routing Table: 134
Number of 32-bit ASNs allocated by the RIRs: 685
Prefixes from 32-bit ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2256004819
Equivalent to 134 /8s, 119 /16s and 230 /24s
Percentage of available address space announced: 60.9
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: 83.8
Total number of prefixes smaller than registry allocations: 155598
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77589
Total APNIC prefixes after maximum aggregation: 26307
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 74598
Unique aggregates announced from the APNIC address blocks: 33331
APNIC Region origin ASes present in the Internet Routing Table: 4104
APNIC Prefixes per ASN: 18.18
APNIC Region origin ASes announcing only one prefix: 1151
APNIC Region transit ASes present in the Internet Routing Table: 657
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 31
Number of APNIC addresses announced to Internet: 528178882
Equivalent to 31 /8s, 123 /16s and 94 /24s
Percentage of available APNIC address space announced: 78.7
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: 136243
Total ARIN prefixes after maximum aggregation: 70298
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107999
Unique aggregates announced from the ARIN address blocks: 41868
ARIN Region origin ASes present in the Internet Routing Table: 13834
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5323
ARIN Region transit ASes present in the Internet Routing Table: 1457
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 729730593
Equivalent to 43 /8s, 126 /16s and 206 /24s
Percentage of available ARIN address space announced: 62.1
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: 77492
Total RIPE prefixes after maximum aggregation: 43559
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 70633
Unique aggregates announced from the RIPE address blocks: 44381
RIPE Region origin ASes present in the Internet Routing Table: 14609
RIPE Prefixes per ASN: 4.83
RIPE Region origin ASes announcing only one prefix: 7470
RIPE Region transit ASes present in the Internet Routing Table: 2283
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 433541204
Equivalent to 25 /8s, 215 /16s and 80 /24s
Percentage of available RIPE address space announced: 76.0
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: 29158
Total LACNIC prefixes after maximum aggregation: 6957
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 27640
Unique aggregates announced from the LACNIC address blocks: 14478
LACNIC Region origin ASes present in the Internet Routing Table: 1305
LACNIC Prefixes per ASN: 21.18
LACNIC Region origin ASes announcing only one prefix: 406
LACNIC Region transit ASes present in the Internet Routing Table: 232
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75526088
Equivalent to 4 /8s, 128 /16s and 111 /24s
Percentage of available LACNIC address space announced: 56.3
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: 7301
Total AfriNIC prefixes after maximum aggregation: 1867
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 5588
Unique aggregates announced from the AfriNIC address blocks: 1603
AfriNIC Region origin ASes present in the Internet Routing Table: 378
AfriNIC Prefixes per ASN: 14.78
AfriNIC Region origin ASes announcing only one prefix: 115
AfriNIC Region transit ASes present in the Internet Routing Table: 82
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC addresses announced to Internet: 19625472
Equivalent to 1 /8s, 43 /16s and 118 /24s
Percentage of available AfriNIC address space announced: 58.5
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 1695 8425 487 Korea Telecom (KIX)
7545 1376 232 106 TPG Internet Pty Ltd
4755 1342 297 158 Videsh Sanchar Nigam Ltd. Aut
17488 1333 145 127 Hathway IP Over Cable Interne
17974 1159 284 54 PT TELEKOMUNIKASI INDONESIA
9583 1001 106 486 Sify Limited
24560 972 307 178 Bharti Airtel Ltd.
4134 857 21740 411 CHINANET-BACKBONE
4808 840 1473 188 CNCGROUP IP network: China169
9829 811 685 32 BSNL National Internet Backbo
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 3885 3700 281 bellsouth.net, inc.
4323 2715 1098 393 Time Warner Telecom
19262 1828 4562 275 Verizon Global Networks
1785 1777 698 130 AppliedTheory Corporation
20115 1603 1527 650 Charter Communications
7018 1464 5707 942 AT&T WorldNet Services
2386 1282 568 904 AT&T Data Communications Serv
6478 1259 253 199 AT&T Worldnet Services
22773 1170 2859 65 Cox Communications, Inc.
11492 1165 209 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
35805 652 56 6 United Telecom AS
9116 532 328 32 Goldenlines main autonomous s
9198 498 202 13 Kazakhtelecom Corporate Sales
3292 478 2027 393 TDC Tele Danmark
30890 441 111 207 Evolva Telecom
3216 426 148 30 Teleross, Moscow, Russia
702 412 1869 324 UUNET - Commercial IP service
8866 403 117 18 Bulgarian Telecommunication C
8551 402 355 38 Bezeq International
3301 372 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 1598 3052 245 Uninet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1042 829 100 Types of queries are: POCs, o
7303 762 392 105 Telecom Argentina Stet-France
6503 683 177 219 AVANTEL, S.A.
22047 550 310 15 Types of queries are: POCs, o
3816 501 217 87 COLOMBIA TELECOMUNICACIONES S
14420 491 32 72 Types of queries are: POCs, o
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 455 83 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 1100 445 10 TEDATA
24863 726 147 38 LINKdotNET AS number
36992 650 279 185 Etisalat MISR
3741 265 830 228 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 209 244 61 TENET-1
6713 195 186 16 Itissalat Al-MAGHRIB
24835 189 78 9 RAYA Telecom - Egypt
29571 177 19 10 Ci Telecom Autonomous system
16637 174 441 100 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 3885 3700 281 bellsouth.net, inc.
4323 2715 1098 393 Time Warner Telecom
19262 1828 4562 275 Verizon Global Networks
1785 1777 698 130 AppliedTheory Corporation
4766 1695 8425 487 Korea Telecom (KIX)
20115 1603 1527 650 Charter Communications
8151 1598 3052 245 Uninet S.A. de C.V.
7018 1464 5707 942 AT&T WorldNet Services
7545 1376 232 106 TPG Internet Pty Ltd
4755 1342 297 158 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 2715 2322 Time Warner Telecom
1785 1777 1647 AppliedTheory Corporation
19262 1828 1553 Verizon Global Networks
8151 1598 1353 Uninet S.A. de C.V.
7545 1376 1270 TPG Internet Pty Ltd
4766 1695 1208 Korea Telecom (KIX)
17488 1333 1206 Hathway IP Over Cable Interne
4755 1342 1184 Videsh Sanchar Nigam Ltd. Aut
22773 1170 1105 Cox Communications, Inc.
17974 1159 1105 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 /8:20 /9:10 /10:25 /11:67 /12:197
/13:407 /14:710 /15:1289 /16:11207 /17:5447 /18:9306
/19:18762 /20:23444 /21:23281 /22:30171 /23:29938 /24:171352
/25:427 /26:645 /27:220 /28:331 /29:169 /30:349
/31:0 /32:268
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2492 3885 bellsouth.net, inc.
4323 1390 2715 Time Warner Telecom
4766 1325 1695 Korea Telecom (KIX)
1785 1240 1777 AppliedTheory Corporation
17488 1078 1333 Hathway IP Over Cable Interne
11492 1074 1165 Cable One
18566 1068 1087 Covad Communications
8452 992 1100 TEDATA
10620 988 1072 TVCABLE BOGOTA
7018 883 1464 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:8 2:2 4:17 8:291 12:2027 13:7
14:1 15:22 16:3 17:8 20:6 24:1485
27:247 31:1 32:142 33:12 38:685 40:97
41:2384 44:3 46:2 47:17 52:9 55:5
56:2 57:39 58:755 59:504 60:461 61:1096
62:1060 63:1978 64:3690 65:2349 66:4077 67:1854
68:1122 69:2710 70:722 71:389 72:1996 73:2
74:2280 75:249 76:316 77:878 78:617 79:443
80:990 81:778 82:516 83:454 84:716 85:1077
86:461 87:785 88:349 89:1735 90:94 91:2900
92:506 93:999 94:1410 95:655 96:354 97:211
98:608 99:31 108:100 109:576 110:382 111:542
112:285 113:319 114:432 115:567 116:1079 117:651
118:482 119:879 120:134 121:731 122:1481 123:941
124:1136 125:1324 128:228 129:201 130:196 131:552
132:247 133:17 134:196 135:45 136:234 137:155
138:265 139:120 140:484 141:197 142:337 143:371
144:471 145:51 146:450 147:168 148:663 149:301
150:153 151:229 152:298 153:169 154:2 155:359
156:160 157:322 158:108 159:356 160:316 161:182
162:254 163:177 164:405 165:365 166:458 167:414
168:652 169:157 170:715 171:59 172:2 173:939
174:475 175:147 176:1 178:289 180:516 182:156
183:235 184:110 186:500 187:391 188:1041 189:769
190:3812 192:5776 193:4739 194:3461 195:2962 196:1196
198:3601 199:3462 200:5322 201:1571 202:8138 203:8315
204:4076 205:2323 206:2494 207:3117 208:3883 209:3459
210:2552 211:1293 212:1769 213:1714 214:633 215:69
216:4717 217:1548 218:504 219:384 220:1152 221:402
222:337 223:1
End of report