Routing Table Report 00:00 GMT Thu 29 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: 329560
Prefixes after maximum aggregation: 149644
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 159597
Total ASes present in the Internet Routing Table: 34489
Prefixes per ASN: 9.56
Origin-only ASes present in the Internet Routing Table: 29819
Origin ASes announcing only one prefix: 14457
Transit ASes present in the Internet Routing Table: 4670
Transit-only ASes present in the Internet Routing Table: 113
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 38
Max AS path prepend of ASN (22394) 35
Prefixes from unregistered ASNs in the Routing Table: 364
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 707
Prefixes from 32-bit ASNs in the Routing Table: 12
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 170
Number of addresses announced to Internet: 2279638501
Equivalent to 135 /8s, 224 /16s and 133 /24s
Percentage of available address space announced: 61.5
Percentage of allocated address space announced: 66.3
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 84.0
Total number of prefixes smaller than registry allocations: 156334
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77759
Total APNIC prefixes after maximum aggregation: 26416
APNIC Deaggregation factor: 2.94
Prefixes being announced from the APNIC address blocks: 74795
Unique aggregates announced from the APNIC address blocks: 33574
APNIC Region origin ASes present in the Internet Routing Table: 4121
APNIC Prefixes per ASN: 18.15
APNIC Region origin ASes announcing only one prefix: 1156
APNIC Region transit ASes present in the Internet Routing Table: 647
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 534032322
Equivalent to 31 /8s, 212 /16s and 175 /24s
Percentage of available APNIC address space announced: 79.6
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: 136693
Total ARIN prefixes after maximum aggregation: 70441
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 108426
Unique aggregates announced from the ARIN address blocks: 42045
ARIN Region origin ASes present in the Internet Routing Table: 13827
ARIN Prefixes per ASN: 7.84
ARIN Region origin ASes announcing only one prefix: 5288
ARIN Region transit ASes present in the Internet Routing Table: 1404
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 38
Number of ARIN addresses announced to Internet: 730006305
Equivalent to 43 /8s, 131 /16s and 3 /24s
Percentage of available ARIN address space announced: 62.2
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: 78023
Total RIPE prefixes after maximum aggregation: 43771
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 71131
Unique aggregates announced from the RIPE address blocks: 44651
RIPE Region origin ASes present in the Internet Routing Table: 14659
RIPE Prefixes per ASN: 4.85
RIPE Region origin ASes announcing only one prefix: 7485
RIPE Region transit ASes present in the Internet Routing Table: 2244
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 433674534
Equivalent to 25 /8s, 217 /16s and 89 /24s
Percentage of available RIPE address space announced: 76.0
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: 29443
Total LACNIC prefixes after maximum aggregation: 6997
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 27949
Unique aggregates announced from the LACNIC address blocks: 14576
LACNIC Region origin ASes present in the Internet Routing Table: 1316
LACNIC Prefixes per ASN: 21.24
LACNIC Region origin ASes announcing only one prefix: 406
LACNIC Region transit ASes present in the Internet Routing Table: 232
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75829256
Equivalent to 4 /8s, 133 /16s and 16 /24s
Percentage of available LACNIC address space announced: 56.5
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: 7369
Total AfriNIC prefixes after maximum aggregation: 1881
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 5669
Unique aggregates announced from the AfriNIC address blocks: 1598
AfriNIC Region origin ASes present in the Internet Routing Table: 385
AfriNIC Prefixes per ASN: 14.72
AfriNIC Region origin ASes announcing only one prefix: 122
AfriNIC Region transit ASes present in the Internet Routing Table: 86
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 19903488
Equivalent to 1 /8s, 47 /16s and 180 /24s
Percentage of available AfriNIC address space announced: 59.3
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 1694 8409 484 Korea Telecom (KIX)
4755 1381 298 154 Videsh Sanchar Nigam Ltd. Aut
7545 1371 234 88 TPG Internet Pty Ltd
17488 1341 151 126 Hathway IP Over Cable Interne
17974 1179 286 56 PT TELEKOMUNIKASI INDONESIA
9583 1002 74 486 Sify Limited
24560 991 305 182 Bharti Airtel Ltd.
9829 816 685 32 BSNL National Internet Backbo
4808 792 1518 206 CNCGROUP IP network: China169
4134 762 21996 412 CHINANET-BACKBONE
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 3881 3716 284 bellsouth.net, inc.
4323 2731 1112 397 Time Warner Telecom
19262 1947 4567 279 Verizon Global Networks
1785 1782 698 129 AppliedTheory Corporation
20115 1534 1526 651 Charter Communications
7018 1478 5741 962 AT&T WorldNet Services
2386 1283 539 913 AT&T Data Communications Serv
6478 1263 253 183 AT&T Worldnet Services
3356 1175 10858 398 Level 3 Communications, LLC
22773 1174 2858 61 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 654 56 6 United Telecom AS
9116 533 328 33 Goldenlines main autonomous s
9198 499 202 13 Kazakhtelecom Corporate Sales
3292 475 2026 390 TDC Tele Danmark
30890 444 111 206 Evolva Telecom
3216 418 148 30 Teleross, Moscow, Russia
702 411 1853 323 UUNET - Commercial IP service
8866 404 117 18 Bulgarian Telecommunication C
8551 403 355 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 1583 3049 247 Uninet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1028 818 100 Types of queries are: POCs, o
7303 776 396 104 Telecom Argentina Stet-France
6503 722 178 224 AVANTEL, S.A.
22047 555 310 15 Types of queries are: POCs, o
14420 520 33 75 Types of queries are: POCs, o
3816 493 210 91 COLOMBIA TELECOMUNICACIONES S
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 451 99 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 1177 445 10 TEDATA
24863 725 147 39 LINKdotNET AS number
36992 652 279 185 Etisalat MISR
3741 264 894 228 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 213 277 64 TENET-1
6713 195 186 16 Itissalat Al-MAGHRIB
24835 189 78 9 RAYA Telecom - Egypt
29571 186 19 10 Ci Telecom Autonomous system
16637 159 441 102 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 3881 3716 284 bellsouth.net, inc.
4323 2731 1112 397 Time Warner Telecom
19262 1947 4567 279 Verizon Global Networks
1785 1782 698 129 AppliedTheory Corporation
4766 1694 8409 484 Korea Telecom (KIX)
8151 1583 3049 247 Uninet S.A. de C.V.
20115 1534 1526 651 Charter Communications
7018 1478 5741 962 AT&T WorldNet Services
4755 1381 298 154 Videsh Sanchar Nigam Ltd. Aut
7545 1371 234 88 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 2731 2334 Time Warner Telecom
19262 1947 1668 Verizon Global Networks
1785 1782 1653 AppliedTheory Corporation
8151 1583 1336 Uninet S.A. de C.V.
7545 1371 1283 TPG Internet Pty Ltd
4755 1381 1227 Videsh Sanchar Nigam Ltd. Aut
17488 1341 1215 Hathway IP Over Cable Interne
4766 1694 1210 Korea Telecom (KIX)
8452 1177 1167 TEDATA
17974 1179 1123 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 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
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
24.38.240.0/21 33287 Comcast Cable Communications,
24.38.248.0/21 33287 Comcast Cable Communications,
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
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
/13:406 /14:711 /15:1298 /16:11213 /17:5464 /18:9294
/19:18843 /20:23540 /21:23415 /22:30347 /23:30185 /24:172276
/25:430 /26:500 /27:190 /28:322 /29:168 /30:368
/31:0 /32:268
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2484 3881 bellsouth.net, inc.
4323 1396 2731 Time Warner Telecom
4766 1326 1694 Korea Telecom (KIX)
1785 1244 1782 AppliedTheory Corporation
17488 1083 1341 Hathway IP Over Cable Interne
11492 1069 1160 Cable One
18566 1069 1088 Covad Communications
8452 1066 1177 TEDATA
10620 988 1072 TVCABLE BOGOTA
19262 912 1947 Verizon Global Networks
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:14 2:2 4:13 8:296 12:2023 13:7
14:1 15:21 16:3 17:8 20:6 24:1457
27:270 31:1 32:142 33:12 38:688 40:98
41:2495 44:3 46:17 47:16 52:9 55:6
56:2 57:39 58:764 59:506 60:462 61:1073
62:1062 63:1973 64:3715 65:2346 66:4084 67:1850
68:1106 69:2725 70:708 71:447 72:1990 73:2
74:2286 75:256 76:323 77:905 78:619 79:446
80:1002 81:787 82:518 83:460 84:711 85:1068
86:475 87:793 88:348 89:1733 90:96 91:2927
92:514 93:1010 94:1415 95:670 96:512 97:209
98:617 99:33 108:105 109:596 110:418 111:533
112:273 113:314 114:433 115:577 116:1088 117:656
118:480 119:877 120:139 121:730 122:1515 123:952
124:1135 125:1315 128:226 129:165 130:195 131:554
132:247 133:17 134:197 135:45 136:242 137:145
138:267 139:121 140:481 141:196 142:343 143:374
144:468 145:52 146:448 147:169 148:673 149:300
150:154 151:228 152:297 153:168 154:2 155:356
156:160 157:327 158:110 159:360 160:315 161:182
162:255 163:174 164:410 165:367 166:462 167:414
168:647 169:157 170:717 171:59 172:2 173:938
174:506 175:154 176:1 178:327 180:473 182:167
183:244 184:149 186:530 187:412 188:1040 189:770
190:3851 192:5783 193:4741 194:3470 195:2958 196:1183
198:3583 199:3502 200:5360 201:1586 202:8139 203:8314
204:4042 205:2403 206:2512 207:3070 208:3878 209:3460
210:2567 211:1297 212:1772 213:1744 214:646 215:69
216:4747 217:1545 218:504 219:377 220:1147 221:401
222:334 223:1
End of report
