Routing Table Report 00:00 GMT Mon 12 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: 328418
Prefixes after maximum aggregation: 148983
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 103864
Total ASes present in the Internet Routing Table: 34364
Prefixes per ASN: 9.56
Origin-only ASes present in the Internet Routing Table: 29638
Origin ASes announcing only one prefix: 14420
Transit ASes present in the Internet Routing Table: 4726
Transit-only ASes present in the Internet Routing Table: 123
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 366
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: 14
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 1278527787
Equivalent to 76 /8s, 52 /16s and 201 /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: 156062
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77388
Total APNIC prefixes after maximum aggregation: 26274
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 74407
Unique aggregates announced from the APNIC address blocks: 22110
APNIC Region origin ASes present in the Internet Routing Table: 4097
APNIC Prefixes per ASN: 18.16
APNIC Region origin ASes announcing only one prefix: 1146
APNIC Region transit ASes present in the Internet Routing Table: 660
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 263324354
Equivalent to 15 /8s, 178 /16s and 2 /24s
Percentage of available APNIC address space announced: 39.2
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: 136841
Total ARIN prefixes after maximum aggregation: 70292
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 108567
Unique aggregates announced from the ARIN address blocks: 23865
ARIN Region origin ASes present in the Internet Routing Table: 13805
ARIN Prefixes per ASN: 7.86
ARIN Region origin ASes announcing only one prefix: 5293
ARIN Region transit ASes present in the Internet Routing Table: 1426
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 443348769
Equivalent to 26 /8s, 108 /16s and 247 /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: 77520
Total RIPE prefixes after maximum aggregation: 43486
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 70635
Unique aggregates announced from the RIPE address blocks: 21294
RIPE Region origin ASes present in the Internet Routing Table: 14590
RIPE Prefixes per ASN: 4.84
RIPE Region origin ASes announcing only one prefix: 7467
RIPE Region transit ASes present in the Internet Routing Table: 2249
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 125781356
Equivalent to 7 /8s, 127 /16s and 69 /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: 29088
Total LACNIC prefixes after maximum aggregation: 6930
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 27575
Unique aggregates announced from the LACNIC address blocks: 14493
LACNIC Region origin ASes present in the Internet Routing Table: 1304
LACNIC Prefixes per ASN: 21.15
LACNIC Region origin ASes announcing only one prefix: 398
LACNIC Region transit ASes present in the Internet Routing Table: 233
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75235592
Equivalent to 4 /8s, 124 /16s and 1 /24s
Percentage of available LACNIC address space announced: 56.1
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: 7302
Total AfriNIC prefixes after maximum aggregation: 1856
AfriNIC Deaggregation factor: 3.93
Prefixes being announced from the AfriNIC address blocks: 5581
Unique aggregates announced from the AfriNIC address blocks: 1493
AfriNIC Region origin ASes present in the Internet Routing Table: 374
AfriNIC Prefixes per ASN: 14.92
AfriNIC Region origin ASes announcing only one prefix: 116
AfriNIC Region transit ASes present in the Internet Routing Table: 78
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 19135488
Equivalent to 1 /8s, 35 /16s and 252 /24s
Percentage of available AfriNIC address space announced: 57.0
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 1698 8425 488 Korea Telecom (KIX)
7545 1368 232 106 TPG Internet Pty Ltd
4755 1338 296 158 Videsh Sanchar Nigam Ltd. Aut
17488 1331 145 127 Hathway IP Over Cable Interne
17974 1146 285 28 PT TELEKOMUNIKASI INDONESIA
9583 1010 106 489 Sify Limited
24560 950 306 174 Bharti Airtel Ltd.
4134 855 21420 409 CHINANET-BACKBONE
9829 813 685 32 BSNL National Internet Backbo
4808 788 1510 204 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 3891 3700 281 bellsouth.net, inc.
4323 2716 1114 394 Time Warner Telecom
19262 1828 4562 275 Verizon Global Networks
1785 1778 698 129 AppliedTheory Corporation
20115 1602 1526 649 Charter Communications
7018 1495 5724 949 AT&T WorldNet Services
2386 1276 567 901 AT&T Data Communications Serv
6478 1276 257 160 AT&T Worldnet Services
3356 1179 10866 396 Level 3 Communications, LLC
22773 1167 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 650 56 6 United Telecom AS
9116 532 328 32 Goldenlines main autonomous s
3292 478 2027 393 TDC Tele Danmark
30890 442 111 207 Evolva Telecom
3216 427 148 30 Teleross, Moscow, Russia
702 411 1869 323 UUNET - Commercial IP service
9198 409 202 13 Kazakhtelecom Corporate Sales
8866 403 117 18 Bulgarian Telecommunication C
8551 402 355 38 Bezeq International
3320 373 7329 324 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 1570 3000 242 Uninet S.A. de C.V.
10620 1071 239 148 TVCABLE BOGOTA
28573 1031 795 98 Types of queries are: POCs, o
7303 760 391 101 Telecom Argentina Stet-France
6503 681 159 218 AVANTEL, S.A.
22047 548 310 15 Types of queries are: POCs, o
3816 500 217 86 COLOMBIA TELECOMUNICACIONES S
14420 488 31 70 Types of queries are: POCs, o
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 455 99 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 1165 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 651 279 186 Etisalat MISR
3741 267 834 229 The Internet Solution
33776 219 12 11 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 173 441 101 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 3891 3700 281 bellsouth.net, inc.
4323 2716 1114 394 Time Warner Telecom
19262 1828 4562 275 Verizon Global Networks
1785 1778 698 129 AppliedTheory Corporation
4766 1698 8425 488 Korea Telecom (KIX)
20115 1602 1526 649 Charter Communications
8151 1570 3000 242 Uninet S.A. de C.V.
7018 1495 5724 949 AT&T WorldNet Services
7545 1368 232 106 TPG Internet Pty Ltd
4755 1338 296 158 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 2716 2322 Time Warner Telecom
1785 1778 1649 AppliedTheory Corporation
19262 1828 1553 Verizon Global Networks
8151 1570 1328 Uninet S.A. de C.V.
7545 1368 1262 TPG Internet Pty Ltd
4766 1698 1210 Korea Telecom (KIX)
17488 1331 1204 Hathway IP Over Cable Interne
4755 1338 1180 Videsh Sanchar Nigam Ltd. Aut
8452 1165 1155 TEDATA
17974 1146 1118 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 /14:709 /15:1288 /16:11194 /17:5460 /18:9291
/19:18758 /20:23434 /21:23220 /22:30375 /23:30061 /24:171521
/25:424 /26:639 /27:218 /28:315 /29:169 /30:352
/31:0 /32:265
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2497 3891 bellsouth.net, inc.
4323 1391 2716 Time Warner Telecom
4766 1328 1698 Korea Telecom (KIX)
1785 1239 1778 AppliedTheory Corporation
17488 1076 1331 Hathway IP Over Cable Interne
11492 1074 1165 Cable One
18566 1068 1087 Covad Communications
8452 1053 1165 TEDATA
10620 987 1071 TVCABLE BOGOTA
7018 908 1495 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 12:2022 13:7
14:1 15:22 16:3 17:8 20:6 24:1479
27:240 31:1 32:142 33:12 38:684 40:98
41:2397 44:3 46:1 47:18 52:9 55:4
56:2 57:39 58:751 59:503 60:459 61:1089
62:1081 63:1980 64:3678 65:2349 66:4080 67:1852
68:1123 69:2882 70:725 71:386 72:2011 73:2
74:2277 75:249 76:313 77:945 78:621 79:437
80:989 81:777 82:513 83:454 84:715 85:1077
86:463 87:785 88:339 89:1722 90:94 91:2900
92:494 93:998 94:1408 95:645 96:353 97:209
98:598 99:31 108:100 109:566 110:363 111:544
112:284 113:317 114:426 115:567 116:1083 117:651
118:480 119:947 120:136 121:727 122:1477 123:936
124:1142 125:1322 128:228 129:203 130:196 131:552
132:247 133:17 134:197 135:45 136:240 137:159
138:264 139:120 140:479 141:197 142:338 143:377
144:469 145:51 146:449 147:169 148:659 149:300
150:153 151:230 152:296 153:169 154:2 155:360
156:159 157:323 158:107 159:379 160:315 161:181
162:254 163:177 164:407 165:366 166:460 167:412
168:653 169:157 170:714 171:59 172:2 173:931
174:473 175:139 176:1 178:282 180:506 182:156
183:235 184:109 186:498 187:386 188:1047 189:783
190:3814 192:5767 193:4744 194:3452 195:2970 196:1195
198:3589 199:3466 200:5325 201:1573 202:8159 203:8261
204:4076 205:2330 206:2533 207:3119 208:3881 209:3461
210:2529 211:1290 212:1775 213:1721 214:644 215:69
216:4689 217:1543 218:503 219:376 220:1150 221:402
222:337 223:1
End of report