Routing Table Report 00:00 GMT Wed 14 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: 328034
Prefixes after maximum aggregation: 148990
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 103974
Total ASes present in the Internet Routing Table: 34420
Prefixes per ASN: 9.53
Origin-only ASes present in the Internet Routing Table: 29652
Origin ASes announcing only one prefix: 14469
Transit ASes present in the Internet Routing Table: 4768
Transit-only ASes present in the Internet Routing Table: 125
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: 345
Unregistered ASNs in the Routing Table: 134
Number of 32-bit ASNs allocated by the RIRs: 685
Prefixes from 32-bit ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 1281261003
Equivalent to 76 /8s, 94 /16s and 125 /24s
Percentage of available address space announced: 34.6
Percentage of allocated address space announced: 37.3
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.8
Total number of prefixes smaller than registry allocations: 155650
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77568
Total APNIC prefixes after maximum aggregation: 26268
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 74582
Unique aggregates announced from the APNIC address blocks: 22163
APNIC Region origin ASes present in the Internet Routing Table: 4096
APNIC Prefixes per ASN: 18.21
APNIC Region origin ASes announcing only one prefix: 1147
APNIC Region transit ASes present in the Internet Routing Table: 654
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 31
Number of APNIC addresses announced to Internet: 264588738
Equivalent to 15 /8s, 197 /16s and 77 /24s
Percentage of available APNIC address space announced: 39.4
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: 136200
Total ARIN prefixes after maximum aggregation: 70239
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107948
Unique aggregates announced from the ARIN address blocks: 23937
ARIN Region origin ASes present in the Internet Routing Table: 13835
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5326
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: 444326433
Equivalent to 26 /8s, 123 /16s and 226 /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: 77521
Total RIPE prefixes after maximum aggregation: 43529
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 70679
Unique aggregates announced from the RIPE address blocks: 21340
RIPE Region origin ASes present in the Internet Routing Table: 14611
RIPE Prefixes per ASN: 4.84
RIPE Region origin ASes announcing only one prefix: 7475
RIPE Region transit ASes present in the Internet Routing Table: 2276
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 125902412
Equivalent to 7 /8s, 129 /16s and 30 /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: 29183
Total LACNIC prefixes after maximum aggregation: 6934
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 27664
Unique aggregates announced from the LACNIC address blocks: 14492
LACNIC Region origin ASes present in the Internet Routing Table: 1304
LACNIC Prefixes per ASN: 21.21
LACNIC Region origin ASes announcing only one prefix: 405
LACNIC Region transit ASes present in the Internet Routing Table: 235
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75455176
Equivalent to 4 /8s, 127 /16s and 90 /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: 7301
Total AfriNIC prefixes after maximum aggregation: 1867
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 5590
Unique aggregates announced from the AfriNIC address blocks: 1500
AfriNIC Region origin ASes present in the Internet Routing Table: 378
AfriNIC Prefixes per ASN: 14.79
AfriNIC Region origin ASes announcing only one prefix: 116
AfriNIC Region transit ASes present in the Internet Routing Table: 82
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC addresses announced to Internet: 19164160
Equivalent to 1 /8s, 36 /16s and 108 /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 1341 297 158 Videsh Sanchar Nigam Ltd. Aut
17488 1331 145 127 Hathway IP Over Cable Interne
17974 1157 284 28 PT TELEKOMUNIKASI INDONESIA
9583 1001 106 486 Sify Limited
24560 968 307 178 Bharti Airtel Ltd.
4134 857 21740 411 CHINANET-BACKBONE
4808 840 1473 188 CNCGROUP IP network: China169
9829 813 685 32 BSNL National Internet Backbo
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 3886 3700 281 bellsouth.net, inc.
4323 2717 1098 393 Time Warner Telecom
19262 1829 4562 276 Verizon Global Networks
1785 1775 698 130 AppliedTheory Corporation
20115 1605 1527 650 Charter Communications
7018 1462 5707 940 AT&T WorldNet Services
2386 1282 568 904 AT&T Data Communications Serv
6478 1276 257 156 AT&T Worldnet Services
3356 1172 10836 389 Level 3 Communications, LLC
22773 1169 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 427 148 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 1593 3055 242 Uninet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1041 813 100 Types of queries are: POCs, o
7303 762 392 105 Telecom Argentina Stet-France
6503 682 177 219 AVANTEL, S.A.
22047 549 310 15 Types of queries are: POCs, o
3816 501 217 87 COLOMBIA TELECOMUNICACIONES S
14420 491 32 72 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 1100 445 10 TEDATA
24863 726 147 38 LINKdotNET AS number
36992 652 279 186 Etisalat MISR
3741 265 830 228 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 174 441 100 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 3886 3700 281 bellsouth.net, inc.
4323 2717 1098 393 Time Warner Telecom
19262 1829 4562 276 Verizon Global Networks
1785 1775 698 130 AppliedTheory Corporation
4766 1697 8425 487 Korea Telecom (KIX)
20115 1605 1527 650 Charter Communications
8151 1593 3055 242 Uninet S.A. de C.V.
7018 1462 5707 940 AT&T WorldNet Services
7545 1369 232 106 TPG Internet Pty Ltd
4755 1341 297 158 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 2717 2324 Time Warner Telecom
1785 1775 1645 AppliedTheory Corporation
19262 1829 1553 Verizon Global Networks
8151 1593 1351 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 1341 1183 Videsh Sanchar Nigam Ltd. Aut
17974 1157 1129 PT TELEKOMUNIKASI INDONESIA
6478 1276 1120 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
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 /12:197
/13:407 /14:710 /15:1289 /16:11210 /17:5466 /18:9309
/19:18759 /20:23442 /21:23271 /22:30158 /23:29919 /24:171366
/25:424 /26:646 /27:218 /28:333 /29:169 /30:353
/31:0 /32:266
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2493 3886 bellsouth.net, inc.
4323 1392 2717 Time Warner Telecom
4766 1327 1697 Korea Telecom (KIX)
1785 1238 1775 AppliedTheory Corporation
17488 1076 1331 Hathway IP Over Cable Interne
11492 1074 1165 Cable One
18566 1068 1087 Covad Communications
8452 992 1100 TEDATA
10620 988 1072 TVCABLE BOGOTA
7018 882 1462 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:8 2:2 4:17 8:291 12:2024 13:7
14:1 15:22 16:3 17:8 20:6 24:1479
27:246 31:1 32:142 33:12 38:685 40:97
41:2382 44:3 46:2 47:18 52:9 55:5
56:2 57:39 58:755 59:504 60:459 61:1096
62:1060 63:1977 64:3690 65:2348 66:4081 67:1854
68:1122 69:2706 70:725 71:387 72:1994 73:2
74:2279 75:249 76:316 77:951 78:623 79:445
80:993 81:777 82:514 83:454 84:717 85:1076
86:462 87:785 88:339 89:1719 90:94 91:2902
92:494 93:1002 94:1409 95:648 96:353 97:209
98:600 99:31 108:100 109:573 110:377 111:540
112:285 113:318 114:431 115:566 116:1079 117:651
118:483 119:941 120:136 121:729 122:1477 123:938
124:1137 125:1322 128:228 129:202 130:196 131:553
132:247 133:17 134:197 135:45 136:240 137:157
138:265 139:120 140:484 141:197 142:337 143:373
144:471 145:51 146:451 147:168 148:660 149:301
150:153 151:229 152:297 153:169 154:2 155:359
156:159 157:322 158:108 159:355 160:316 161:182
162:254 163:177 164:407 165:365 166:458 167:414
168:654 169:157 170:715 171:59 172:2 173:935
174:474 175:145 176:1 178:288 180:456 182:157
183:235 184:110 186:497 187:390 188:1042 189:787
190:3812 192:5765 193:4740 194:3462 195:2964 196:1196
198:3596 199:3462 200:5334 201:1573 202:8151 203:8307
204:4077 205:2322 206:2494 207:3118 208:3880 209:3453
210:2551 211:1295 212:1766 213:1714 214:634 215:69
216:4715 217:1549 218:502 219:384 220:1152 221:402
222:341 223:1
End of report