Routing Table Report 00:00 GMT Tue 10 Nov, 2009
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: 308001
Prefixes after maximum aggregation: 142371
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 149727
Total ASes present in the Internet Routing Table: 32676
Prefixes per ASN: 9.43
Origin-only ASes present in the Internet Routing Table: 28322
Origin ASes announcing only one prefix: 13800
Transit ASes present in the Internet Routing Table: 4354
Transit-only ASes present in the Internet Routing Table: 102
Average AS path length visible in the Internet Routing Table: 5.0
Max AS path length visible: 32
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 702
Unregistered ASNs in the Routing Table: 161
Number of 32-bit ASNs allocated by the RIRs: 315
Prefixes from 32-bit ASNs in the Routing Table: 258
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 205
Number of addresses announced to Internet: 2132729834
Equivalent to 127 /8s, 30 /16s and 223 /24s
Percentage of available address space announced: 57.5
Percentage of allocated address space announced: 65.2
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.0
Total number of prefixes smaller than registry allocations: 148920
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 73524
Total APNIC prefixes after maximum aggregation: 25534
APNIC Deaggregation factor: 2.88
Prefixes being announced from the APNIC address blocks: 69925
Unique aggregates announced from the APNIC address blocks: 30357
APNIC Region origin ASes present in the Internet Routing Table: 3848
APNIC Prefixes per ASN: 18.17
APNIC Region origin ASes announcing only one prefix: 1057
APNIC Region transit ASes present in the Internet Routing Table: 587
Average APNIC Region AS path length visible: 5.6
Max APNIC Region AS path length visible: 26
Number of APNIC addresses announced to Internet: 470594304
Equivalent to 28 /8s, 12 /16s and 179 /24s
Percentage of available APNIC address space announced: 80.1
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 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, 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,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 129382
Total ARIN prefixes after maximum aggregation: 67562
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103511
Unique aggregates announced from the ARIN address blocks: 38854
ARIN Region origin ASes present in the Internet Routing Table: 13354
ARIN Prefixes per ASN: 7.75
ARIN Region origin ASes announcing only one prefix: 5163
ARIN Region transit ASes present in the Internet Routing Table: 1348
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 26
Number of ARIN addresses announced to Internet: 714326529
Equivalent to 42 /8s, 147 /16s and 194 /24s
Percentage of available ARIN address space announced: 62.6
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, 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, 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: 71619
Total RIPE prefixes after maximum aggregation: 40980
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 64890
Unique aggregates announced from the RIPE address blocks: 42250
RIPE Region origin ASes present in the Internet Routing Table: 13741
RIPE Prefixes per ASN: 4.72
RIPE Region origin ASes announcing only one prefix: 7103
RIPE Region transit ASes present in the Internet Routing Table: 2086
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 403863476
Equivalent to 24 /8s, 18 /16s and 119 /24s
Percentage of available RIPE address space announced: 75.2
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: 26876
Total LACNIC prefixes after maximum aggregation: 6418
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 25189
Unique aggregates announced from the LACNIC address blocks: 13530
LACNIC Region origin ASes present in the Internet Routing Table: 1209
LACNIC Prefixes per ASN: 20.83
LACNIC Region origin ASes announcing only one prefix: 376
LACNIC Region transit ASes present in the Internet Routing Table: 203
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 32
Number of LACNIC addresses announced to Internet: 68162848
Equivalent to 4 /8s, 16 /16s and 21 /24s
Percentage of available LACNIC address space announced: 67.7
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: 6092
Total AfriNIC prefixes after maximum aggregation: 1578
AfriNIC Deaggregation factor: 3.86
Prefixes being announced from the AfriNIC address blocks: 4441
Unique aggregates announced from the AfriNIC address blocks: 1590
AfriNIC Region origin ASes present in the Internet Routing Table: 335
AfriNIC Prefixes per ASN: 13.26
AfriNIC Region origin ASes announcing only one prefix: 101
AfriNIC Region transit ASes present in the Internet Routing Table: 67
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 13026304
Equivalent to 0 /8s, 198 /16s and 196 /24s
Percentage of available AfriNIC address space announced: 38.8
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 1600 7505 450 Korea Telecom (KIX)
17488 1361 142 126 Hathway IP Over Cable Interne
4755 1273 293 147 Videsh Sanchar Nigam Ltd. Aut
9583 1094 86 531 Sify Limited
18101 976 204 33 Reliance Infocom Ltd Internet
4134 952 19185 393 CHINANET-BACKBONE
7545 900 199 100 TPG Internet Pty Ltd
9829 852 664 20 BSNL National Internet Backbo
17974 823 252 104 PT TELEKOMUNIKASI INDONESIA
23577 797 30 666 KRNIC
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 4258 3883 312 bellsouth.net, inc.
4323 3726 1054 399 Time Warner Telecom
20115 2103 1485 659 Charter Communications
1785 1786 715 140 AppliedTheory Corporation
7018 1579 5827 1042 AT&T WorldNet Services
6478 1317 269 426 AT&T Worldnet Services
2386 1304 623 949 AT&T Data Communications Serv
3356 1223 10964 438 Level 3 Communications, LLC
11492 1137 206 13 Cable One
22773 1102 2600 66 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
30890 516 98 209 Evolva Telecom
3292 449 1906 392 TDC Tele Danmark
9116 445 296 30 Goldenlines main autonomous s
702 418 1822 337 UUNET - Commercial IP service
9198 397 138 12 Kazakhtelecom Corporate Sales
35805 385 40 5 United Telecom AS
3301 373 1412 302 TeliaNet Sweden
8866 364 110 23 Bulgarian Telecommunication C
8997 355 152 8 SPBNIT-RU Autonomous System
3320 354 7067 302 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 1556 2897 233 Uninet S.A. de C.V.
10620 1033 228 102 TVCABLE BOGOTA
28573 980 661 92 Types of queries are: POCs, o
7303 663 349 95 Telecom Argentina Stet-France
22047 546 302 14 Types of queries are: POCs, o
11830 470 308 82 Instituto Costarricense de El
7738 452 862 30 Telecomunicacoes da Bahia S.A
11172 445 99 71 Alestra
14117 437 29 11 Telefonica del Sur S.A.
6503 423 162 182 AVANTEL, S.A.
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 1046 188 7 TEDATA
24863 943 98 72 LINKdotNET AS number
3741 274 857 234 The Internet Solution
2018 194 188 117 TENET-1
6713 176 167 12 Itissalat Al-MAGHRIB
29571 145 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network
5713 117 508 67 Telkom SA Ltd
20858 109 34 6 EgyNet
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 4258 3883 312 bellsouth.net, inc.
4323 3726 1054 399 Time Warner Telecom
20115 2103 1485 659 Charter Communications
1785 1786 715 140 AppliedTheory Corporation
4766 1600 7505 450 Korea Telecom (KIX)
7018 1579 5827 1042 AT&T WorldNet Services
8151 1556 2897 233 Uninet S.A. de C.V.
17488 1361 142 126 Hathway IP Over Cable Interne
6478 1317 269 426 AT&T Worldnet Services
2386 1304 623 949 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3726 3327 Time Warner Telecom
1785 1786 1646 AppliedTheory Corporation
20115 2103 1444 Charter Communications
8151 1556 1323 Uninet S.A. de C.V.
17488 1361 1235 Hathway IP Over Cable Interne
4766 1600 1150 Korea Telecom (KIX)
4755 1273 1126 Videsh Sanchar Nigam Ltd. Aut
11492 1137 1124 Cable One
18566 1059 1049 Covad Communications
8452 1046 1039 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 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
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
10.29.248.71/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /11:65 /12:180
/13:365 /14:639 /15:1219 /16:10753 /17:5038 /18:8629
/19:17999 /20:21529 /21:21652 /22:28048 /23:27950 /24:159199
/25:831 /26:1073 /27:492 /28:526 /29:826 /30:602
/31:3 /32:327
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2784 4258 bellsouth.net, inc.
4323 2351 3726 Time Warner Telecom
4766 1266 1600 Korea Telecom (KIX)
1785 1249 1786 AppliedTheory Corporation
17488 1136 1361 Hathway IP Over Cable Interne
20115 1108 2103 Charter Communications
11492 1061 1137 Cable One
18566 1040 1059 Covad Communications
7018 948 1579 AT&T WorldNet Services
8452 946 1046 TEDATA
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:16 8:234 12:2151 13:8 15:22
16:3 17:5 20:36 24:1285 32:149 34:2
38:609 40:99 41:1812 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:37 58:630
59:614 60:442 61:990 62:989 63:2007 64:3678
65:2367 66:4147 67:1759 68:1018 69:2801 70:591
71:169 72:1750 73:2 74:1989 75:192 76:361
77:862 78:587 79:383 80:957 81:817 82:518
83:450 84:549 85:1016 86:388 87:709 88:431
89:1537 90:52 91:2663 92:422 93:1185 94:1271
95:815 96:191 97:274 98:392 99:31 109:140
110:265 111:457 112:148 113:163 114:287 115:423
116:1012 117:590 118:348 119:791 120:127 121:711
122:1300 123:780 124:1054 125:1362 128:222 129:219
130:130 131:426 132:76 133:16 134:186 135:43
136:232 137:167 138:179 139:95 140:439 141:122
142:391 143:344 144:361 145:50 146:393 147:169
148:556 149:198 150:150 151:172 152:213 153:158
154:2 155:273 156:168 157:312 158:93 159:358
160:293 161:174 162:275 163:158 164:278 165:468
166:485 167:392 168:747 169:161 170:581 171:42
172:1 173:388 174:397 175:1 178:1 180:166
182:1 184:1 186:157 187:212 188:1262 189:671
190:3233 192:5776 193:4306 194:3368 195:2852 196:1170
198:3563 199:3363 200:5227 201:1407 202:8060 203:8232
204:3939 205:2172 206:2410 207:3012 208:3987 209:3454
210:2545 211:1175 212:1707 213:1669 214:183 215:40
216:4476 217:1347 218:476 219:467 220:1142 221:455
222:303
End of report