Routing Table Report 00:00 GMT Fri 23 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: 328632
Prefixes after maximum aggregation: 149389
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 104260
Total ASes present in the Internet Routing Table: 34483
Prefixes per ASN: 9.53
Origin-only ASes present in the Internet Routing Table: 29724
Origin ASes announcing only one prefix: 14469
Transit ASes present in the Internet Routing Table: 4759
Transit-only ASes present in the Internet Routing Table: 125
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 31
Max AS path prepend of ASN (45127) 27
Prefixes from unregistered ASNs in the Routing Table: 354
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 698
Prefixes from 32-bit ASNs in the Routing Table: 39
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 1303869405
Equivalent to 77 /8s, 183 /16s and 119 /24s
Percentage of available address space announced: 35.2
Percentage of allocated address space announced: 37.9
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.9
Total number of prefixes smaller than registry allocations: 155898
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77590
Total APNIC prefixes after maximum aggregation: 26367
APNIC Deaggregation factor: 2.94
Prefixes being announced from the APNIC address blocks: 74593
Unique aggregates announced from the APNIC address blocks: 22254
APNIC Region origin ASes present in the Internet Routing Table: 4111
APNIC Prefixes per ASN: 18.14
APNIC Region origin ASes announcing only one prefix: 1152
APNIC Region transit ASes present in the Internet Routing Table: 653
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 31
Number of APNIC addresses announced to Internet: 268948930
Equivalent to 16 /8s, 7 /16s and 213 /24s
Percentage of available APNIC address space announced: 40.1
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: 136485
Total ARIN prefixes after maximum aggregation: 70335
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 108190
Unique aggregates announced from the ARIN address blocks: 23975
ARIN Region origin ASes present in the Internet Routing Table: 13845
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5308
ARIN Region transit ASes present in the Internet Routing Table: 1444
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 444541473
Equivalent to 26 /8s, 127 /16s and 42 /24s
Percentage of available ARIN address space announced: 37.9
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: 77731
Total RIPE prefixes after maximum aggregation: 43634
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 70889
Unique aggregates announced from the RIPE address blocks: 21301
RIPE Region origin ASes present in the Internet Routing Table: 14641
RIPE Prefixes per ASN: 4.84
RIPE Region origin ASes announcing only one prefix: 7476
RIPE Region transit ASes present in the Internet Routing Table: 2290
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 126321886
Equivalent to 7 /8s, 135 /16s and 132 /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: 29289
Total LACNIC prefixes after maximum aggregation: 7018
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 27797
Unique aggregates announced from the LACNIC address blocks: 14513
LACNIC Region origin ASes present in the Internet Routing Table: 1313
LACNIC Prefixes per ASN: 21.17
LACNIC Region origin ASes announcing only one prefix: 414
LACNIC Region transit ASes present in the Internet Routing Table: 235
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75725896
Equivalent to 4 /8s, 131 /16s and 124 /24s
Percentage of available LACNIC address space announced: 56.4
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: 7267
Total AfriNIC prefixes after maximum aggregation: 1862
AfriNIC Deaggregation factor: 3.90
Prefixes being announced from the AfriNIC address blocks: 5585
Unique aggregates announced from the AfriNIC address blocks: 1633
AfriNIC Region origin ASes present in the Internet Routing Table: 379
AfriNIC Prefixes per ASN: 14.74
AfriNIC Region origin ASes announcing only one prefix: 119
AfriNIC Region transit ASes present in the Internet Routing Table: 80
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 19439872
Equivalent to 1 /8s, 40 /16s and 161 /24s
Percentage of available AfriNIC address space announced: 57.9
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 1693 8409 483 Korea Telecom (KIX)
4755 1381 297 156 Videsh Sanchar Nigam Ltd. Aut
7545 1379 232 105 TPG Internet Pty Ltd
17488 1334 147 128 Hathway IP Over Cable Interne
17974 1171 285 52 PT TELEKOMUNIKASI INDONESIA
24560 1004 308 178 Bharti Airtel Ltd.
9583 1002 74 486 Sify Limited
9829 813 685 32 BSNL National Internet Backbo
4134 761 21740 411 CHINANET-BACKBONE
4808 758 1461 187 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 3849 3684 280 bellsouth.net, inc.
4323 2721 1112 393 Time Warner Telecom
19262 1939 4567 279 Verizon Global Networks
1785 1778 698 130 AppliedTheory Corporation
20115 1530 1526 648 Charter Communications
7018 1454 5705 940 AT&T WorldNet Services
2386 1283 553 913 AT&T Data Communications Serv
6478 1256 252 197 AT&T Worldnet Services
22773 1172 2858 61 Cox Communications, Inc.
3356 1166 10868 394 Level 3 Communications, LLC
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 653 56 6 United Telecom AS
9116 533 328 33 Goldenlines main autonomous s
9198 497 202 13 Kazakhtelecom Corporate Sales
3292 477 2027 392 TDC Tele Danmark
30890 441 111 206 Evolva Telecom
3216 416 148 30 Teleross, Moscow, Russia
702 413 1869 325 UUNET - Commercial IP service
8866 404 117 18 Bulgarian Telecommunication C
8551 403 355 38 Bezeq International
3320 372 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 1590 3065 245 Uninet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1025 835 100 Types of queries are: POCs, o
7303 763 393 103 Telecom Argentina Stet-France
6503 702 177 218 AVANTEL, S.A.
22047 553 310 15 Types of queries are: POCs, o
14420 499 32 72 Types of queries are: POCs, o
3816 491 208 91 COLOMBIA TELECOMUNICACIONES S
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 453 83 76 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 1106 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 651 279 185 Etisalat MISR
3741 269 898 231 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 209 244 61 TENET-1
6713 195 186 16 Itissalat Al-MAGHRIB
24835 189 78 9 RAYA Telecom - Egypt
29571 183 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 3849 3684 280 bellsouth.net, inc.
4323 2721 1112 393 Time Warner Telecom
19262 1939 4567 279 Verizon Global Networks
1785 1778 698 130 AppliedTheory Corporation
4766 1693 8409 483 Korea Telecom (KIX)
8151 1590 3065 245 Uninet S.A. de C.V.
20115 1530 1526 648 Charter Communications
7018 1454 5705 940 AT&T WorldNet Services
4755 1381 297 156 Videsh Sanchar Nigam Ltd. Aut
7545 1379 232 105 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2721 2328 Time Warner Telecom
19262 1939 1660 Verizon Global Networks
1785 1778 1648 AppliedTheory Corporation
8151 1590 1345 Uninet S.A. de C.V.
7545 1379 1274 TPG Internet Pty Ltd
4755 1381 1225 Videsh Sanchar Nigam Ltd. Aut
4766 1693 1210 Korea Telecom (KIX)
17488 1334 1206 Hathway IP Over Cable Interne
17974 1171 1119 PT TELEKOMUNIKASI INDONESIA
22773 1172 1111 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 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 /8:21 /9:10 /10:25 /11:68 /12:198
/13:408 /14:711 /15:1298 /16:11208 /17:5436 /18:9283
/19:18819 /20:23441 /21:23386 /22:30203 /23:30026 /24:171680
/25:427 /26:633 /27:220 /28:329 /29:171 /30:364
/31:0 /32:267
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2469 3849 bellsouth.net, inc.
4323 1393 2721 Time Warner Telecom
4766 1325 1693 Korea Telecom (KIX)
1785 1242 1778 AppliedTheory Corporation
17488 1078 1334 Hathway IP Over Cable Interne
18566 1069 1088 Covad Communications
11492 1066 1157 Cable One
8452 999 1106 TEDATA
10620 988 1072 TVCABLE BOGOTA
19262 912 1939 Verizon Global Networks
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:11 2:2 4:13 8:291 12:2026 13:7
14:1 15:22 16:3 17:8 20:6 24:1482
27:251 31:1 32:142 33:12 38:694 40:98
41:2425 44:3 46:3 47:17 52:9 55:5
56:2 57:39 58:758 59:506 60:462 61:1071
62:1063 63:1977 64:3708 65:2344 66:4076 67:1850
68:1100 69:2723 70:706 71:448 72:1990 73:2
74:2270 75:251 76:317 77:905 78:626 79:443
80:995 81:780 82:519 83:450 84:715 85:1067
86:464 87:788 88:348 89:1730 90:95 91:2913
92:511 93:996 94:1408 95:660 96:362 97:211
98:619 99:33 108:105 109:594 110:391 111:532
112:287 113:327 114:436 115:571 116:1083 117:655
118:481 119:876 120:139 121:730 122:1493 123:946
124:1135 125:1315 128:228 129:200 130:195 131:553
132:247 133:17 134:196 135:45 136:242 137:145
138:266 139:121 140:485 141:196 142:339 143:375
144:465 145:51 146:449 147:169 148:666 149:299
150:155 151:230 152:296 153:170 154:2 155:357
156:159 157:327 158:110 159:357 160:317 161:183
162:254 163:174 164:405 165:365 166:460 167:417
168:649 169:157 170:716 171:59 172:2 173:951
174:487 175:153 176:1 178:318 180:471 182:160
183:240 184:112 186:520 187:402 188:1009 189:766
190:3811 192:5779 193:4744 194:3472 195:2951 196:1186
198:3583 199:3492 200:5344 201:1578 202:8133 203:8314
204:4070 205:2337 206:2497 207:3113 208:3877 209:3467
210:2562 211:1296 212:1774 213:1746 214:640 215:68
216:4746 217:1547 218:505 219:377 220:1149 221:404
222:328 223:1
End of report