Routing Table Report 00:00 GMT Tue 13 Jul, 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: 327967
Prefixes after maximum aggregation: 148973
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 104052
Total ASes present in the Internet Routing Table: 34406
Prefixes per ASN: 9.53
Origin-only ASes present in the Internet Routing Table: 29642
Origin ASes announcing only one prefix: 14467
Transit ASes present in the Internet Routing Table: 4764
Transit-only ASes present in the Internet Routing Table: 123
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 367
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 682
Prefixes from 32-bit ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 1279896875
Equivalent to 76 /8s, 73 /16s and 173 /24s
Percentage of available address space announced: 34.5
Percentage of allocated address space announced: 37.2
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.7
Total number of prefixes smaller than registry allocations: 155543
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77495
Total APNIC prefixes after maximum aggregation: 26257
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 74540
Unique aggregates announced from the APNIC address blocks: 22232
APNIC Region origin ASes present in the Internet Routing Table: 4098
APNIC Prefixes per ASN: 18.19
APNIC Region origin ASes announcing only one prefix: 1145
APNIC Region transit ASes present in the Internet Routing Table: 658
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 31
Number of APNIC addresses announced to Internet: 263530434
Equivalent to 15 /8s, 181 /16s and 39 /24s
Percentage of available APNIC address space announced: 39.3
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: 136227
Total ARIN prefixes after maximum aggregation: 70259
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107988
Unique aggregates announced from the ARIN address blocks: 23935
ARIN Region origin ASes present in the Internet Routing Table: 13833
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5329
ARIN Region transit ASes present in the Internet Routing Table: 1457
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 444349473
Equivalent to 26 /8s, 124 /16s and 60 /24s
Percentage of available ARIN address space announced: 37.8
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: 77555
Total RIPE prefixes after maximum aggregation: 43512
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 70676
Unique aggregates announced from the RIPE address blocks: 21318
RIPE Region origin ASes present in the Internet Routing Table: 14606
RIPE Prefixes per ASN: 4.84
RIPE Region origin ASes announcing only one prefix: 7477
RIPE Region transit ASes present in the Internet Routing Table: 2277
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 125924204
Equivalent to 7 /8s, 129 /16s and 115 /24s
Percentage of available RIPE address space announced: 22.1
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: 29103
Total LACNIC prefixes after maximum aggregation: 6933
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 27578
Unique aggregates announced from the LACNIC address blocks: 14495
LACNIC Region origin ASes present in the Internet Routing Table: 1302
LACNIC Prefixes per ASN: 21.18
LACNIC Region origin ASes announcing only one prefix: 401
LACNIC Region transit ASes present in the Internet Routing Table: 232
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75368968
Equivalent to 4 /8s, 126 /16s and 10 /24s
Percentage of available LACNIC address space announced: 56.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 7304
Total AfriNIC prefixes after maximum aggregation: 1863
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 5591
Unique aggregates announced from the AfriNIC address blocks: 1496
AfriNIC Region origin ASes present in the Internet Routing Table: 373
AfriNIC Prefixes per ASN: 14.99
AfriNIC Region origin ASes announcing only one prefix: 115
AfriNIC Region transit ASes present in the Internet Routing Table: 78
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC addresses announced to Internet: 19151360
Equivalent to 1 /8s, 36 /16s and 58 /24s
Percentage of available AfriNIC address space announced: 57.1
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 1697 8425 487 Korea Telecom (KIX)
7545 1369 232 106 TPG Internet Pty Ltd
4755 1340 296 159 Videsh Sanchar Nigam Ltd. Aut
17488 1331 145 127 Hathway IP Over Cable Interne
17974 1156 285 29 PT TELEKOMUNIKASI INDONESIA
9583 1011 106 486 Sify Limited
24560 951 306 174 Bharti Airtel Ltd.
4134 856 21484 410 CHINANET-BACKBONE
9829 802 685 32 BSNL National Internet Backbo
4808 752 1471 188 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 3885 3700 284 bellsouth.net, inc.
4323 2718 1098 393 Time Warner Telecom
19262 1828 4562 275 Verizon Global Networks
1785 1776 698 130 AppliedTheory Corporation
20115 1604 1526 650 Charter Communications
7018 1465 5707 943 AT&T WorldNet Services
2386 1277 567 901 AT&T Data Communications Serv
6478 1275 257 159 AT&T Worldnet Services
3356 1172 10832 390 Level 3 Communications, LLC
22773 1168 2859 65 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
35805 651 56 6 United Telecom AS
9116 532 328 32 Goldenlines main autonomous s
3292 478 2027 393 TDC Tele Danmark
30890 441 111 207 Evolva Telecom
3216 432 148 30 Teleross, Moscow, Russia
702 412 1869 324 UUNET - Commercial IP service
9198 409 202 13 Kazakhtelecom Corporate Sales
8866 403 117 18 Bulgarian Telecommunication C
8551 402 355 38 Bezeq International
3301 372 1414 327 TeliaNet Sweden
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 1580 3067 244 Uninet S.A. de C.V.
10620 1071 239 148 TVCABLE BOGOTA
28573 1038 812 99 Types of queries are: POCs, o
7303 761 391 105 Telecom Argentina Stet-France
6503 681 177 219 AVANTEL, S.A.
22047 549 310 15 Types of queries are: POCs, o
3816 500 217 86 COLOMBIA TELECOMUNICACIONES S
14420 489 31 71 Types of queries are: POCs, o
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 455 83 77 Alestra
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 1166 445 10 TEDATA
24863 726 147 38 LINKdotNET AS number
36992 651 279 186 Etisalat MISR
3741 269 814 230 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 209 244 61 TENET-1
6713 195 186 16 Itissalat Al-MAGHRIB
24835 191 78 10 RAYA Telecom - Egypt
29571 177 19 10 Ci Telecom Autonomous system
16637 161 441 101 Johnnic e-Ventures
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 3885 3700 284 bellsouth.net, inc.
4323 2718 1098 393 Time Warner Telecom
19262 1828 4562 275 Verizon Global Networks
1785 1776 698 130 AppliedTheory Corporation
4766 1697 8425 487 Korea Telecom (KIX)
20115 1604 1526 650 Charter Communications
8151 1580 3067 244 Uninet S.A. de C.V.
7018 1465 5707 943 AT&T WorldNet Services
7545 1369 232 106 TPG Internet Pty Ltd
4755 1340 296 159 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 2718 2325 Time Warner Telecom
1785 1776 1646 AppliedTheory Corporation
19262 1828 1553 Verizon Global Networks
8151 1580 1336 Uninet S.A. de C.V.
7545 1369 1263 TPG Internet Pty Ltd
4766 1697 1210 Korea Telecom (KIX)
17488 1331 1204 Hathway IP Over Cable Interne
4755 1340 1181 Videsh Sanchar Nigam Ltd. Aut
8452 1166 1156 TEDATA
17974 1156 1127 PT TELEKOMUNIKASI INDONESIA
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
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
172.16.0.0/16 9275 Korea Research Institute of C
192.168.248.0/24 18847 NetFire.com
192.168.249.0/24 18847 NetFire.com
Complete listing at http://thyme.apnic.net/rviews/data-dsua
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
41.222.79.0/24 36938 Amsco Telecommunications Nige
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 6453 Teleglobe Inc.
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 /8:20 /9:10 /10:25 /11:67 /12:196
/13:407 /14:710 /15:1289 /16:11207 /17:5466 /18:9305
/19:18758 /20:23421 /21:23240 /22:30080 /23:29967 /24:171406
/25:427 /26:641 /27:218 /28:317 /29:170 /30:353
/31:0 /32:267
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2492 3885 bellsouth.net, inc.
4323 1392 2718 Time Warner Telecom
4766 1327 1697 Korea Telecom (KIX)
1785 1239 1776 AppliedTheory Corporation
17488 1076 1331 Hathway IP Over Cable Interne
18566 1068 1087 Covad Communications
8452 1054 1166 TEDATA
11492 1051 1142 Cable One
10620 987 1071 TVCABLE BOGOTA
7018 882 1465 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:7 2:2 4:17 8:291 12:2024 13:7
14:1 15:22 16:3 17:8 20:6 24:1475
27:245 31:1 32:142 33:12 38:684 40:98
41:2404 44:3 46:1 47:18 52:9 55:4
56:2 57:39 58:755 59:504 60:459 61:1089
62:1080 63:1979 64:3687 65:2346 66:4074 67:1847
68:1124 69:2716 70:726 71:386 72:1993 73:2
74:2277 75:249 76:315 77:945 78:620 79:443
80:990 81:777 82:515 83:454 84:715 85:1077
86:462 87:785 88:339 89:1710 90:94 91:2900
92:496 93:1001 94:1408 95:646 96:351 97:209
98:598 99:31 108:100 109:572 110:376 111:541
112:285 113:317 114:428 115:567 116:1083 117:652
118:483 119:948 120:136 121:727 122:1473 123:939
124:1133 125:1323 128:228 129:202 130:196 131:552
132:247 133:17 134:196 135:45 136:240 137:157
138:265 139:120 140:484 141:197 142:338 143:373
144:454 145:51 146:451 147:168 148:662 149:301
150:142 151:230 152:299 153:169 154:2 155:358
156:159 157:323 158:108 159:355 160:316 161:182
162:254 163:171 164:408 165:363 166:458 167:412
168:651 169:157 170:715 171:59 172:2 173:934
174:474 175:144 176:1 178:289 180:516 182:157
183:235 184:110 186:496 187:379 188:1039 189:788
190:3818 192:5766 193:4735 194:3465 195:2961 196:1196
198:3596 199:3461 200:5323 201:1572 202:8157 203:8309
204:4077 205:2320 206:2535 207:3140 208:3879 209:3453
210:2548 211:1291 212:1775 213:1716 214:633 215:69
216:4709 217:1550 218:503 219:377 220:1151 221:402
222:337 223:1
End of report