Routing Table Report 04:00 +10GMT Wed 12 May, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 320924
Prefixes after maximum aggregation: 148166
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 156656
Total ASes present in the Internet Routing Table: 33981
Prefixes per ASN: 9.44
Origin-only ASes present in the Internet Routing Table: 29493
Origin ASes announcing only one prefix: 14354
Transit ASes present in the Internet Routing Table: 4488
Transit-only ASes present in the Internet Routing Table: 103
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 339
Unregistered ASNs in the Routing Table: 119
Number of 32-bit ASNs allocated by the RIRs: 561
Prefixes from 32-bit ASNs in the Routing Table: 634
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 192
Number of addresses announced to Internet: 2211419648
Equivalent to 131 /8s, 207 /16s and 150 /24s
Percentage of available address space announced: 59.7
Percentage of allocated address space announced: 65.0
Percentage of available address space allocated: 91.9
Percentage of address space in use by end-sites: 82.7
Total number of prefixes smaller than registry allocations: 153898
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76688
Total APNIC prefixes after maximum aggregation: 26722
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 73361
Unique aggregates announced from the APNIC address blocks: 32216
APNIC Region origin ASes present in the Internet Routing Table: 4032
APNIC Prefixes per ASN: 18.19
APNIC Region origin ASes announcing only one prefix: 1103
APNIC Region transit ASes present in the Internet Routing Table: 623
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 515517760
Equivalent to 30 /8s, 186 /16s and 45 /24s
Percentage of available APNIC address space announced: 76.8
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: 133812
Total ARIN prefixes after maximum aggregation: 69102
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 106730
Unique aggregates announced from the ARIN address blocks: 41562
ARIN Region origin ASes present in the Internet Routing Table: 13679
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5272
ARIN Region transit ASes present in the Internet Routing Table: 1353
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 726726688
Equivalent to 43 /8s, 80 /16s and 248 /24s
Percentage of available ARIN address space announced: 61.9
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: 73733
Total RIPE prefixes after maximum aggregation: 42836
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 66651
Unique aggregates announced from the RIPE address blocks: 43895
RIPE Region origin ASes present in the Internet Routing Table: 14448
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7465
RIPE Region transit ASes present in the Internet Routing Table: 2168
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 425372576
Equivalent to 25 /8s, 90 /16s and 171 /24s
Percentage of available RIPE address space announced: 74.6
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: 28565
Total LACNIC prefixes after maximum aggregation: 6789
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 26987
Unique aggregates announced from the LACNIC address blocks: 13961
LACNIC Region origin ASes present in the Internet Routing Table: 1284
LACNIC Prefixes per ASN: 21.02
LACNIC Region origin ASes announcing only one prefix: 407
LACNIC Region transit ASes present in the Internet Routing Table: 221
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 72962048
Equivalent to 4 /8s, 89 /16s and 80 /24s
Percentage of available LACNIC address space announced: 72.5
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: 7273
Total AfriNIC prefixes after maximum aggregation: 1831
AfriNIC Deaggregation factor: 3.97
Prefixes being announced from the AfriNIC address blocks: 5571
Unique aggregates announced from the AfriNIC address blocks: 1659
AfriNIC Region origin ASes present in the Internet Routing Table: 360
AfriNIC Prefixes per ASN: 15.47
AfriNIC Region origin ASes announcing only one prefix: 107
AfriNIC Region transit ASes present in the Internet Routing Table: 82
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC addresses announced to Internet: 17837824
Equivalent to 1 /8s, 16 /16s and 47 /24s
Percentage of available AfriNIC address space announced: 53.2
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 1848 8422 483 Korea Telecom (KIX)
17488 1314 140 123 Hathway IP Over Cable Interne
4755 1296 291 148 TATA Communications formerly
7545 1193 232 104 TPG Internet Pty Ltd
9583 983 72 483 Sify Limited
17974 965 281 18 PT TELEKOMUNIKASI INDONESIA
4134 956 21191 405 CHINANET-BACKBONE
24560 893 304 167 Bharti Airtel Ltd., Telemedia
4808 844 1589 215 CNCGROUP IP network: China169
9829 789 680 41 BSNL National Internet Backbo
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3931 3733 288 bellsouth.net, inc.
4323 3839 1116 406 Time Warner Telecom
1785 1785 699 131 PaeTec Communications, Inc.
7018 1557 5758 987 AT&T WorldNet Services
20115 1536 1505 655 Charter Communications
2386 1306 585 927 AT&T Data Communications Serv
6478 1239 256 107 AT&T Worldnet Services
3356 1207 10920 420 Level 3 Communications, LLC
22773 1168 2606 72 Cox Communications, Inc.
11492 1142 208 285 Cable One
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
35805 617 56 6 United Telecom of Georgia
3292 453 2027 392 TDC Tele Danmark
30890 438 100 205 Evolva Telecom
702 414 1869 329 UUNET - Commercial IP service
8551 402 356 37 Bezeq International
8866 393 117 18 Bulgarian Telecommunication C
3301 365 1413 321 TeliaNet Sweden
3320 365 7072 318 Deutsche Telekom AG
3215 331 3218 100 France Telecom Transpac
12479 330 576 5 Uni2 Autonomous System
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1553 2965 245 UniNet S.A. de C.V.
10620 1031 230 148 TVCABLE BOGOTA
28573 886 729 86 NET Servicos de Comunicao S.A
7303 728 372 103 Telecom Argentina Stet-France
6503 565 172 212 AVANTEL, S.A.
22047 545 310 15 VTR PUNTO NET S.A.
18881 500 268 11 Global Village Telecom
7738 477 922 30 Telecomunicacoes da Bahia S.A
3816 461 195 70 Empresa Nacional de Telecomun
14117 447 30 13 Telefonica del Sur S.A.
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1241 445 10 TEDATA
24863 707 147 42 LINKdotNET AS number
36992 623 274 177 Etisalat MISR
3741 273 852 232 The Internet Solution
2018 216 231 112 Tertiary Education Network
33776 208 11 14 Starcomms Nigeria Limited
24835 177 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/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3931 3733 288 bellsouth.net, inc.
4323 3839 1116 406 Time Warner Telecom
4766 1848 8422 483 Korea Telecom (KIX)
1785 1785 699 131 PaeTec Communications, Inc.
7018 1557 5758 987 AT&T WorldNet Services
8151 1553 2965 245 UniNet S.A. de C.V.
20115 1536 1505 655 Charter Communications
17488 1314 140 123 Hathway IP Over Cable Interne
2386 1306 585 927 AT&T Data Communications Serv
4755 1296 291 148 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3839 3433 Time Warner Telecom
1785 1785 1654 PaeTec Communications, Inc.
4766 1848 1365 Korea Telecom (KIX)
8151 1553 1308 UniNet S.A. de C.V.
8452 1241 1231 TEDATA
17488 1314 1191 Hathway IP Over Cable Interne
4755 1296 1148 TATA Communications formerly
6478 1239 1132 AT&T Worldnet Services
22773 1168 1096 Cox Communications, Inc.
7545 1193 1089 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/current/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/current/data-badAS
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
41.202.96.0/19 29571 Ci Telecom Autonomous system
41.222.79.0/24 36938 >>UNKNOWN<<
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
Complete listing at http://thyme.apnic.net/current/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 /12:193
/13:401 /14:689 /15:1261 /16:11055 /17:5281 /18:8987
/19:18293 /20:22561 /21:22650 /22:29413 /23:29038 /24:168023
/25:960 /26:1203 /27:629 /28:142 /29:9 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2515 3931 bellsouth.net, inc.
4323 2334 3839 Time Warner Telecom
4766 1481 1848 Korea Telecom (KIX)
1785 1246 1785 PaeTec Communications, Inc.
8452 1121 1241 TEDATA
17488 1063 1314 Hathway IP Over Cable Interne
11492 1058 1142 Cable One
18566 1040 1059 Covad Communications
10620 947 1031 TVCABLE BOGOTA
7018 936 1557 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:265 12:2009 13:10 15:23 16:3
17:8 20:21 24:1419 27:55 31:1 32:47
33:12 38:665 40:98 41:2448 44:3 46:1
47:26 52:6 55:7 56:2 57:24 58:724
59:514 60:435 61:1087 62:1047 63:1978 64:3844
65:2362 66:4178 67:1828 68:1087 69:2817 70:707
71:240 72:1834 73:2 74:2277 75:249 76:306
77:852 78:627 79:397 80:1003 81:788 82:471
83:442 84:702 85:1052 86:460 87:697 88:327
89:1549 90:87 91:2735 92:481 93:1108 94:1409
95:592 96:244 97:310 98:565 99:28 108:16
109:469 110:325 111:489 112:255 113:284 114:396
115:593 116:1030 117:641 118:417 119:934 120:141
121:740 122:1434 123:881 124:1108 125:1295 128:210
129:208 130:197 131:561 132:246 133:17 134:195
135:45 136:225 137:172 138:254 139:92 140:483
141:137 142:354 143:380 144:471 145:52 146:428
147:164 148:602 149:286 150:153 151:167 152:262
153:167 154:2 155:329 156:184 157:324 158:107
159:369 160:315 161:205 162:266 163:174 164:405
165:529 166:487 167:396 168:800 169:161 170:708
171:51 172:1 173:728 174:666 175:91 176:1
178:74 180:463 182:50 183:249 184:40 186:377
187:326 188:1314 189:777 190:3620 192:5733 193:4688
194:3358 195:2771 196:1214 197:1 198:3568 199:3438
200:5349 201:1512 202:8017 203:8263 204:4062 205:2332
206:2535 207:3031 208:3918 209:3430 210:2506 211:1235
212:1725 213:1675 214:650 215:70 216:4572 217:1530
218:502 219:372 220:1105 221:400 222:288
End of report