Routing Table Report 00:00 GMT Sun 09 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: 323372
Prefixes after maximum aggregation: 147193
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 155720
Total ASes present in the Internet Routing Table: 33980
Prefixes per ASN: 9.52
Origin-only ASes present in the Internet Routing Table: 29368
Origin ASes announcing only one prefix: 14323
Transit ASes present in the Internet Routing Table: 4612
Transit-only ASes present in the Internet Routing Table: 110
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 25
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 415
Unregistered ASNs in the Routing Table: 144
Number of 32-bit ASNs allocated by the RIRs: 560
Prefixes from 32-bit ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 192
Number of addresses announced to Internet: 2207902835
Equivalent to 131 /8s, 153 /16s and 236 /24s
Percentage of available address space announced: 59.6
Percentage of allocated address space announced: 65.5
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: 154455
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75261
Total APNIC prefixes after maximum aggregation: 25947
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 72031
Unique aggregates announced from the APNIC address blocks: 32177
APNIC Region origin ASes present in the Internet Routing Table: 4012
APNIC Prefixes per ASN: 17.95
APNIC Region origin ASes announcing only one prefix: 1113
APNIC Region transit ASes present in the Internet Routing Table: 638
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 512227810
Equivalent to 30 /8s, 135 /16s and 249 /24s
Percentage of available APNIC address space announced: 76.3
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: 135628
Total ARIN prefixes after maximum aggregation: 69487
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 107638
Unique aggregates announced from the ARIN address blocks: 40618
ARIN Region origin ASes present in the Internet Routing Table: 13686
ARIN Prefixes per ASN: 7.86
ARIN Region origin ASes announcing only one prefix: 5268
ARIN Region transit ASes present in the Internet Routing Table: 1387
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 726723361
Equivalent to 43 /8s, 80 /16s and 235 /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: 76421
Total RIPE prefixes after maximum aggregation: 43020
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 69300
Unique aggregates announced from the RIPE address blocks: 43866
RIPE Region origin ASes present in the Internet Routing Table: 14453
RIPE Prefixes per ASN: 4.79
RIPE Region origin ASes announcing only one prefix: 7429
RIPE Region transit ASes present in the Internet Routing Table: 2219
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 425406868
Equivalent to 25 /8s, 91 /16s and 49 /24s
Percentage of available RIPE address space announced: 79.2
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: 28784
Total LACNIC prefixes after maximum aggregation: 6778
LACNIC Deaggregation factor: 4.25
Prefixes being announced from the LACNIC address blocks: 27184
Unique aggregates announced from the LACNIC address blocks: 13947
LACNIC Region origin ASes present in the Internet Routing Table: 1283
LACNIC Prefixes per ASN: 21.19
LACNIC Region origin ASes announcing only one prefix: 408
LACNIC Region transit ASes present in the Internet Routing Table: 226
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 72855816
Equivalent to 4 /8s, 87 /16s and 177 /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: 7013
Total AfriNIC prefixes after maximum aggregation: 1811
AfriNIC Deaggregation factor: 3.87
Prefixes being announced from the AfriNIC address blocks: 5322
Unique aggregates announced from the AfriNIC address blocks: 1648
AfriNIC Region origin ASes present in the Internet Routing Table: 361
AfriNIC Prefixes per ASN: 14.74
AfriNIC Region origin ASes announcing only one prefix: 105
AfriNIC Region transit ASes present in the Internet Routing Table: 79
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC addresses announced to Internet: 17840896
Equivalent to 1 /8s, 16 /16s and 59 /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 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 1186 232 105 TPG Internet Pty Ltd
17974 1031 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 786 1471 192 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 3929 3721 287 bellsouth.net, inc.
4323 3829 1116 406 Time Warner Telecom
1785 1784 699 131 AppliedTheory Corporation
20115 1621 1507 650 Charter Communications
7018 1532 5746 968 AT&T WorldNet Services
2386 1303 570 931 AT&T Data Communications Serv
3356 1224 10920 419 Level 3 Communications, LLC
6478 1223 251 151 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 472 2027 393 TDC Tele Danmark
30890 438 100 205 Evolva Telecom
3216 427 133 30 Teleross, Moscow, Russia
702 415 1869 330 UUNET - Commercial IP service
8551 404 356 38 Bezeq International
8866 396 117 18 Bulgarian Telecommunication C
3301 365 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 1594 2965 240 Uninet S.A. de C.V.
10620 1031 230 148 TVCABLE BOGOTA
28573 890 727 89 Types of queries are: POCs, o
7303 734 375 100 Telecom Argentina Stet-France
6503 564 171 211 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 460 195 70 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 1040 445 10 TEDATA
24863 711 146 41 LINKdotNET AS number
36992 626 273 172 Etisalat MISR
3741 273 852 232 The Internet Solution
2018 216 230 112 TENET-1
33776 216 11 14 Starcomms Nigeria Limited
24835 183 78 10 RAYA Telecom - Egypt
6713 177 171 13 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 3929 3721 287 bellsouth.net, inc.
4323 3829 1116 406 Time Warner Telecom
1785 1784 699 131 AppliedTheory Corporation
4766 1686 8405 475 Korea Telecom (KIX)
20115 1621 1507 650 Charter Communications
8151 1594 2965 240 Uninet S.A. de C.V.
7018 1532 5746 968 AT&T WorldNet Services
17488 1314 140 123 Hathway IP Over Cable Interne
2386 1303 570 931 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 3829 3423 Time Warner Telecom
1785 1784 1653 AppliedTheory Corporation
8151 1594 1354 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 1186 1081 TPG Internet Pty Ltd
22773 1153 1081 Cox Communications, Inc.
6478 1223 1072 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 /12:192
/13:398 /14:688 /15:1262 /16:11075 /17:5386 /18:9097
/19:18611 /20:22976 /21:22915 /22:29626 /23:29405 /24:169474
/25:342 /26:508 /27:217 /28:335 /29:165 /30:333
/31:0 /32:246
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2515 3929 bellsouth.net, inc.
4323 2329 3829 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
8452 945 1040 TEDATA
7018 933 1532 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 8:265 12:2014 13:10 15:23
16:3 17:8 20:21 24:1452 27:55 32:137
33:12 38:665 40:97 41:2266 44:3 46:1
47:25 52:6 55:5 56:2 57:36 58:722
59:518 60:431 61:1087 62:1053 63:1982 64:3854
65:2369 66:4223 67:1840 68:1095 69:2826 70:707
71:255 72:1849 73:2 74:2284 75:250 76:307
77:865 78:636 79:401 80:1000 81:802 82:501
83:456 84:730 85:1075 86:472 87:789 88:329
89:1726 90:87 91:2766 92:485 93:1108 94:1407
95:594 96:245 97:314 98:572 99:28 109:468
110:332 111:485 112:255 113:288 114:395 115:586
116:1027 117:630 118:425 119:880 120:144 121:741
122:1434 123:881 124:1126 125:1298 128:211 129:199
130:197 131:561 132:246 133:17 134:195 135:45
136:225 137:172 138:254 139:103 140:483 141:136
142:355 143:390 144:472 145:53 146:425 147:167
148:597 149:317 150:153 151:169 152:262 153:166
154:2 155:329 156:184 157:327 158:107 159:369
160:315 161:204 162:270 163:174 164:411 165:533
166:496 167:396 168:802 169:161 170:702 171:50
172:1 173:727 174:666 175:102 178:76 180:455
182:48 183:249 184:39 186:378 187:335 188:1346
189:774 190:3657 192:5764 193:4723 194:3417 195:2927
196:1203 197:1 198:3579 199:3444 200:5354 201:1523
202:8132 203:8318 204:4051 205:2341 206:2534 207:3035
208:3927 209:3431 210:2505 211:1261 212:1787 213:1754
214:663 215:70 216:4601 217:1567 218:509 219:401
220:1110 221:397 222:333
End of report