Routing Table Report 00:00 GMT Sat 08 May, 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: 323578
Prefixes after maximum aggregation: 147241
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 134443
Total ASes present in the Internet Routing Table: 33998
Prefixes per ASN: 9.52
Origin-only ASes present in the Internet Routing Table: 29451
Origin ASes announcing only one prefix: 14337
Transit ASes present in the Internet Routing Table: 4547
Transit-only ASes present in the Internet Routing Table: 110
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 25
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 396
Unregistered ASNs in the Routing Table: 137
Number of 32-bit ASNs allocated by the RIRs: 560
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 199
Number of addresses announced to Internet: 1681014899
Equivalent to 100 /8s, 50 /16s and 64 /24s
Percentage of available address space announced: 45.4
Percentage of allocated address space announced: 49.9
Percentage of available address space allocated: 90.9
Percentage of address space in use by end-sites: 82.7
Total number of prefixes smaller than registry allocations: 154603
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75410
Total APNIC prefixes after maximum aggregation: 25918
APNIC Deaggregation factor: 2.91
Prefixes being announced from the APNIC address blocks: 72186
Unique aggregates announced from the APNIC address blocks: 21426
APNIC Region origin ASes present in the Internet Routing Table: 4014
APNIC Prefixes per ASN: 17.98
APNIC Region origin ASes announcing only one prefix: 1112
APNIC Region transit ASes present in the Internet Routing Table: 628
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 248397538
Equivalent to 14 /8s, 206 /16s and 62 /24s
Percentage of available APNIC address space announced: 37.0
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: 135763
Total ARIN prefixes after maximum aggregation: 69541
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 107716
Unique aggregates announced from the ARIN address blocks: 39318
ARIN Region origin ASes present in the Internet Routing Table: 13691
ARIN Prefixes per ASN: 7.87
ARIN Region origin ASes announcing only one prefix: 5271
ARIN Region transit ASes present in the Internet Routing Table: 1376
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 656810529
Equivalent to 39 /8s, 38 /16s and 34 /24s
Percentage of available ARIN address space announced: 55.9
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: 76444
Total RIPE prefixes after maximum aggregation: 43057
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 69315
Unique aggregates announced from the RIPE address blocks: 37146
RIPE Region origin ASes present in the Internet Routing Table: 14467
RIPE Prefixes per ASN: 4.79
RIPE Region origin ASes announcing only one prefix: 7440
RIPE Region transit ASes present in the Internet Routing Table: 2188
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 350699668
Equivalent to 20 /8s, 231 /16s and 64 /24s
Percentage of available RIPE address space announced: 65.3
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, 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, 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: 28782
Total LACNIC prefixes after maximum aggregation: 6777
LACNIC Deaggregation factor: 4.25
Prefixes being announced from the LACNIC address blocks: 27189
Unique aggregates announced from the LACNIC address blocks: 13954
LACNIC Region origin ASes present in the Internet Routing Table: 1279
LACNIC Prefixes per ASN: 21.26
LACNIC Region origin ASes announcing only one prefix: 406
LACNIC Region transit ASes present in the Internet Routing Table: 223
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 72875016
Equivalent to 4 /8s, 87 /16s and 252 /24s
Percentage of available LACNIC address space announced: 72.4
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 6928
Total AfriNIC prefixes after maximum aggregation: 1810
AfriNIC Deaggregation factor: 3.83
Prefixes being announced from the AfriNIC address blocks: 5239
Unique aggregates announced from the AfriNIC address blocks: 1648
AfriNIC Region origin ASes present in the Internet Routing Table: 362
AfriNIC Prefixes per ASN: 14.47
AfriNIC Region origin ASes announcing only one prefix: 108
AfriNIC Region transit ASes present in the Internet Routing Table: 79
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC addresses announced to Internet: 16793344
Equivalent to 1 /8s, 0 /16s and 63 /24s
Percentage of available AfriNIC address space announced: 50.0
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 1686 8405 475 Korea Telecom (KIX)
17488 1314 140 123 Hathway IP Over Cable Interne
4755 1288 291 146 Videsh Sanchar Nigam Ltd. Aut
7545 1185 232 104 TPG Internet Pty Ltd
17974 1035 281 18 PT TELEKOMUNIKASI INDONESIA
9583 993 73 489 Sify Limited
4134 926 20455 399 CHINANET-BACKBONE
24560 891 304 166 Bharti Airtel Ltd.
9829 796 680 41 BSNL National Internet Backbo
4808 780 1463 187 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 3932 3733 288 bellsouth.net, inc.
4323 3836 1116 407 Time Warner Telecom
1785 1784 699 131 AppliedTheory Corporation
20115 1620 1507 649 Charter Communications
7018 1534 5746 968 AT&T WorldNet Services
2386 1302 570 930 AT&T Data Communications Serv
3356 1223 10918 417 Level 3 Communications, LLC
6478 1219 250 152 AT&T Worldnet Services
22773 1153 2606 72 Cox Communications, Inc.
11492 1149 222 14 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 617 56 6 United Telecom AS
9116 526 296 31 Goldenlines main autonomous s
3292 473 2027 394 TDC Tele Danmark
30890 438 100 205 Evolva Telecom
3216 430 133 30 Teleross, Moscow, Russia
702 415 1870 331 UUNET - Commercial IP service
8551 403 356 37 Bezeq International
8866 396 117 18 Bulgarian Telecommunication C
3301 364 1413 321 TeliaNet Sweden
3320 364 7072 317 Deutsche Telekom AG
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 1597 2965 241 Uninet S.A. de C.V.
10620 1031 230 148 TVCABLE BOGOTA
28573 890 727 89 Types of queries are: POCs, o
7303 733 375 101 Telecom Argentina Stet-France
6503 565 172 212 AVANTEL, S.A.
22047 548 310 15 Types of queries are: POCs, o
18881 544 268 11 Global Village Telecom
7738 477 922 30 Telecomunicacoes da Bahia S.A
11830 477 308 49 Instituto Costarricense de El
3816 459 195 69 COLOMBIA TELECOMUNICACIONES S
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 920 189 9 TEDATA
24863 711 146 41 LINKdotNET AS number
36992 626 273 172 Etisalat MISR
3741 273 852 232 The Internet Solution
33776 216 11 14 Starcomms Nigeria Limited
2018 215 230 111 TENET-1
24835 183 78 10 RAYA Telecom - Egypt
6713 176 167 12 Itissalat Al-MAGHRIB
29571 172 19 9 Ci Telecom Autonomous system
29975 133 506 14 Vodacom
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 3932 3733 288 bellsouth.net, inc.
4323 3836 1116 407 Time Warner Telecom
1785 1784 699 131 AppliedTheory Corporation
4766 1686 8405 475 Korea Telecom (KIX)
20115 1620 1507 649 Charter Communications
8151 1597 2965 241 Uninet S.A. de C.V.
7018 1534 5746 968 AT&T WorldNet Services
17488 1314 140 123 Hathway IP Over Cable Interne
2386 1302 570 930 AT&T Data Communications Serv
4755 1288 291 146 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 3836 3429 Time Warner Telecom
1785 1784 1653 AppliedTheory Corporation
8151 1597 1356 Uninet S.A. de C.V.
4766 1686 1211 Korea Telecom (KIX)
17488 1314 1191 Hathway IP Over Cable Interne
4755 1288 1142 Videsh Sanchar Nigam Ltd. Aut
11492 1149 1135 Cable One
7545 1185 1081 TPG Internet Pty Ltd
22773 1153 1081 Cox Communications, Inc.
6478 1219 1067 AT&T Worldnet Services
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
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.202.96.0/19 29571 Ci Telecom Autonomous system
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 26452 Local Communications Networks
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
41.223.199.0/24 36990 Alkan Telecom Ltd
46.0.0.0/16 12654 RIPE NCC RIS Project
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 /10:25 /11:67 /12:191
/13:398 /14:687 /15:1266 /16:11077 /17:5391 /18:9093
/19:18629 /20:22986 /21:22938 /22:29677 /23:29419 /24:169555
/25:340 /26:509 /27:218 /28:336 /29:166 /30:333
/31:0 /32:248
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2516 3932 bellsouth.net, inc.
4323 2334 3836 Time Warner Telecom
4766 1324 1686 Korea Telecom (KIX)
1785 1245 1784 AppliedTheory Corporation
17488 1063 1314 Hathway IP Over Cable Interne
11492 1057 1149 Cable One
18566 1040 1059 Covad Communications
10620 947 1031 TVCABLE BOGOTA
7018 932 1534 AT&T WorldNet Services
9583 845 993 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:264 12:2014 13:10 15:23 16:3
17:8 20:21 24:1452 27:56 32:137 33:12
38:667 40:97 41:2159 44:3 46:1 47:25
52:6 55:5 56:2 57:36 58:722 59:518
60:431 61:1088 62:1053 63:1982 64:3857 65:2370
66:4231 67:1839 68:1095 69:2829 70:711 71:255
72:1848 73:2 74:2282 75:250 76:308 77:862
78:637 79:401 80:1004 81:802 82:500 83:457
84:733 85:1081 86:472 87:789 88:329 89:1728
90:87 91:2772 92:485 93:1108 94:1406 95:593
96:245 97:314 98:571 99:28 109:466 110:331
111:502 112:255 113:288 114:395 115:586 116:1026
117:637 118:427 119:949 120:154 121:741 122:1433
123:887 124:1129 125:1298 128:211 129:209 130:197
131:561 132:246 133:17 134:195 135:45 136:226
137:171 138:254 139:103 140:485 141:134 142:355
143:387 144:473 145:53 146:427 147:168 148:598
149:317 150:153 151:169 152:262 153:166 154:2
155:328 156:184 157:327 158:107 159:369 160:315
161:204 162:270 163:171 164:411 165:533 166:497
167:396 168:803 169:161 170:702 171:50 172:1
173:722 174:666 175:102 178:76 180:454 182:48
183:249 184:39 186:378 187:337 188:1346 189:779
190:3653 192:5774 193:4721 194:3420 195:2928 196:1199
197:1 198:3590 199:3447 200:5354 201:1521 202:8115
203:8316 204:4055 205:2345 206:2539 207:3037 208:3928
209:3435 210:2521 211:1261 212:1792 213:1736 214:658
215:70 216:4605 217:1566 218:510 219:410 220:1112
221:401 222:333
End of report