Routing Table Report 00:00 GMT Sun 30 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: 324662
Prefixes after maximum aggregation: 147813
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 156726
Total ASes present in the Internet Routing Table: 34139
Prefixes per ASN: 9.51
Origin-only ASes present in the Internet Routing Table: 29484
Origin ASes announcing only one prefix: 14351
Transit ASes present in the Internet Routing Table: 4655
Transit-only ASes present in the Internet Routing Table: 112
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 34
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 416
Unregistered ASNs in the Routing Table: 140
Number of 32-bit ASNs allocated by the RIRs: 591
Prefixes from 32-bit ASNs in the Routing Table: 42
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 169
Number of addresses announced to Internet: 2258686386
Equivalent to 134 /8s, 160 /16s and 209 /24s
Percentage of available address space announced: 60.9
Percentage of allocated address space announced: 66.3
Percentage of available address space allocated: 91.9
Percentage of address space in use by end-sites: 83.0
Total number of prefixes smaller than registry allocations: 154836
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75590
Total APNIC prefixes after maximum aggregation: 26012
APNIC Deaggregation factor: 2.91
Prefixes being announced from the APNIC address blocks: 72675
Unique aggregates announced from the APNIC address blocks: 32458
APNIC Region origin ASes present in the Internet Routing Table: 4053
APNIC Prefixes per ASN: 17.93
APNIC Region origin ASes announcing only one prefix: 1133
APNIC Region transit ASes present in the Internet Routing Table: 646
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 520549345
Equivalent to 31 /8s, 6 /16s and 243 /24s
Percentage of available APNIC address space announced: 77.6
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: 135826
Total ARIN prefixes after maximum aggregation: 69677
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 107811
Unique aggregates announced from the ARIN address blocks: 40925
ARIN Region origin ASes present in the Internet Routing Table: 13740
ARIN Prefixes per ASN: 7.85
ARIN Region origin ASes announcing only one prefix: 5291
ARIN Region transit ASes present in the Internet Routing Table: 1406
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 731631905
Equivalent to 43 /8s, 155 /16s and 209 /24s
Percentage of available ARIN address space announced: 62.3
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: 76967
Total RIPE prefixes after maximum aggregation: 43227
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 69911
Unique aggregates announced from the RIPE address blocks: 44163
RIPE Region origin ASes present in the Internet Routing Table: 14503
RIPE Prefixes per ASN: 4.82
RIPE Region origin ASes announcing only one prefix: 7422
RIPE Region transit ASes present in the Internet Routing Table: 2229
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 34
Number of RIPE addresses announced to Internet: 428210644
Equivalent to 25 /8s, 133 /16s and 249 /24s
Percentage of available RIPE address space announced: 75.1
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: 28597
Total LACNIC prefixes after maximum aggregation: 6856
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 27004
Unique aggregates announced from the LACNIC address blocks: 14055
LACNIC Region origin ASes present in the Internet Routing Table: 1292
LACNIC Prefixes per ASN: 20.90
LACNIC Region origin ASes announcing only one prefix: 397
LACNIC Region transit ASes present in the Internet Routing Table: 231
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 73268744
Equivalent to 4 /8s, 93 /16s and 254 /24s
Percentage of available LACNIC address space announced: 72.8
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: 7392
Total AfriNIC prefixes after maximum aggregation: 1859
AfriNIC Deaggregation factor: 3.98
Prefixes being announced from the AfriNIC address blocks: 5674
Unique aggregates announced from the AfriNIC address blocks: 1671
AfriNIC Region origin ASes present in the Internet Routing Table: 366
AfriNIC Prefixes per ASN: 15.50
AfriNIC Region origin ASes announcing only one prefix: 108
AfriNIC Region transit ASes present in the Internet Routing Table: 83
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 18718208
Equivalent to 1 /8s, 29 /16s and 158 /24s
Percentage of available AfriNIC address space announced: 55.8
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 1688 8421 477 Korea Telecom (KIX)
17488 1315 140 123 Hathway IP Over Cable Interne
4755 1308 293 150 Videsh Sanchar Nigam Ltd. Aut
7545 1279 232 104 TPG Internet Pty Ltd
17974 1069 281 19 PT TELEKOMUNIKASI INDONESIA
9583 1002 74 491 Sify Limited
24560 907 306 171 Bharti Airtel Ltd.
4134 853 21259 406 CHINANET-BACKBONE
9829 797 681 34 BSNL National Internet Backbo
4808 776 1455 183 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 3913 3716 281 bellsouth.net, inc.
4323 3365 1090 403 Time Warner Telecom
1785 1784 698 131 AppliedTheory Corporation
20115 1613 1500 650 Charter Communications
7018 1498 5707 953 AT&T WorldNet Services
2386 1279 552 917 AT&T Data Communications Serv
6478 1254 258 94 AT&T Worldnet Services
3356 1199 10849 399 Level 3 Communications, LLC
22773 1155 2604 64 Cox Communications, Inc.
11492 1149 207 70 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 628 56 6 United Telecom AS
9116 530 328 32 Goldenlines main autonomous s
3292 476 2028 396 TDC Tele Danmark
30890 444 116 208 Evolva Telecom
3216 430 148 30 Teleross, Moscow, Russia
702 416 1870 331 UUNET - Commercial IP service
8551 402 355 38 Bezeq International
8866 400 117 18 Bulgarian Telecommunication C
3301 367 1414 323 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 1565 2982 239 Uninet S.A. de C.V.
10620 1050 236 151 TVCABLE BOGOTA
28573 893 724 77 Types of queries are: POCs, o
7303 730 378 109 Telecom Argentina Stet-France
6503 587 174 209 AVANTEL, S.A.
22047 545 310 15 Types of queries are: POCs, o
7738 477 922 30 Telecomunicacoes da Bahia S.A
11830 476 308 56 Instituto Costarricense de El
3816 473 204 73 COLOMBIA TELECOMUNICACIONES S
14117 455 30 13 Telefonica del Sur 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 1298 445 10 TEDATA
24863 712 147 38 LINKdotNET AS number
36992 638 278 185 Etisalat MISR
3741 270 852 231 The Internet Solution
2018 216 230 111 TENET-1
33776 214 11 14 Starcomms Nigeria Limited
6713 176 167 12 Itissalat Al-MAGHRIB
24835 176 78 10 RAYA Telecom - Egypt
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 3913 3716 281 bellsouth.net, inc.
4323 3365 1090 403 Time Warner Telecom
1785 1784 698 131 AppliedTheory Corporation
4766 1688 8421 477 Korea Telecom (KIX)
20115 1613 1500 650 Charter Communications
8151 1565 2982 239 Uninet S.A. de C.V.
7018 1498 5707 953 AT&T WorldNet Services
17488 1315 140 123 Hathway IP Over Cable Interne
4755 1308 293 150 Videsh Sanchar Nigam Ltd. Aut
8452 1298 445 10 TEDATA
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3365 2962 Time Warner Telecom
1785 1784 1653 AppliedTheory Corporation
8151 1565 1326 Uninet S.A. de C.V.
8452 1298 1288 TEDATA
4766 1688 1211 Korea Telecom (KIX)
17488 1315 1192 Hathway IP Over Cable Interne
7545 1279 1175 TPG Internet Pty Ltd
6478 1254 1160 AT&T Worldnet Services
4755 1308 1158 Videsh Sanchar Nigam Ltd. Aut
22773 1155 1091 Cox Communications, Inc.
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 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 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
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.0.0.0/16 12654 RIPE NCC RIS Project
31.0.0.0/8 237 Merit Network
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
41.223.196.0/24 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 /8:21 /9:10 /10:26 /11:67 /12:194
/13:403 /14:693 /15:1275 /16:11099 /17:5394 /18:9123
/19:18601 /20:23045 /21:22917 /22:29763 /23:29581 /24:170227
/25:356 /26:564 /27:220 /28:313 /29:171 /30:343
/31:0 /32:256
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2510 3913 bellsouth.net, inc.
4323 1850 3365 Time Warner Telecom
4766 1322 1688 Korea Telecom (KIX)
1785 1250 1784 AppliedTheory Corporation
8452 1185 1298 TEDATA
11492 1063 1149 Cable One
17488 1062 1315 Hathway IP Over Cable Interne
18566 1040 1059 Covad Communications
10620 966 1050 TVCABLE BOGOTA
7018 909 1498 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:13 8:266 12:2016 13:10 14:1
15:23 16:3 17:8 20:21 24:1452 27:109
31:1 32:137 33:12 38:673 40:98 41:2537
44:3 47:26 52:8 55:5 56:2 57:36
58:735 59:504 60:456 61:1082 62:1088 63:1978
64:3624 65:2343 66:4294 67:1858 68:1114 69:2880
70:715 71:258 72:1874 73:2 74:2108 75:255
76:309 77:867 78:629 79:436 80:1023 81:813
82:499 83:458 84:729 85:1087 86:471 87:794
88:338 89:1724 90:90 91:2813 92:511 93:1121
94:1428 95:606 96:280 97:320 98:592 99:28
108:32 109:504 110:361 111:502 112:263 113:298
114:412 115:577 116:1034 117:651 118:440 119:935
120:145 121:742 122:1435 123:908 124:1124 125:1315
128:211 129:212 130:193 131:558 132:247 133:17
134:197 135:45 136:229 137:172 138:256 139:115
140:484 141:136 142:354 143:388 144:472 145:53
146:424 147:166 148:610 149:291 150:153 151:169
152:261 153:168 154:2 155:326 156:153 157:326
158:107 159:374 160:312 161:179 162:262 163:180
164:407 165:347 166:474 167:397 168:784 169:165
170:710 171:53 172:2 173:768 174:654 175:102
176:1 178:155 180:473 182:80 183:128 184:77
186:392 187:341 188:1376 189:795 190:3663 192:5777
193:4701 194:3422 195:2943 196:1205 198:3575 199:3428
200:5363 201:1520 202:8178 203:8338 204:4068 205:2336
206:2528 207:3042 208:3904 209:3418 210:2522 211:1267
212:1814 213:1766 214:653 215:69 216:4682 217:1560
218:488 219:379 220:1127 221:400 222:334 223:1
End of report