Routing Table Report 00:00 GMT Sat 26 Dec, 2009
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: 313721
Prefixes after maximum aggregation: 143656
Deaggregation factor: 2.18
Unique aggregates announced to Internet: 151108
Total ASes present in the Internet Routing Table: 33005
Prefixes per ASN: 9.51
Origin-only ASes present in the Internet Routing Table: 28561
Origin ASes announcing only one prefix: 13950
Transit ASes present in the Internet Routing Table: 4444
Transit-only ASes present in the Internet Routing Table: 99
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 27
Max AS path prepend of ASN (31759) 22
Prefixes from unregistered ASNs in the Routing Table: 475
Unregistered ASNs in the Routing Table: 163
Number of 32-bit ASNs allocated by the RIRs: 377
Prefixes from 32-bit ASNs in the Routing Table: 21
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2166976127
Equivalent to 129 /8s, 41 /16s and 110 /24s
Percentage of available address space announced: 58.5
Percentage of allocated address space announced: 66.3
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.5
Total number of prefixes smaller than registry allocations: 151988
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75532
Total APNIC prefixes after maximum aggregation: 25791
APNIC Deaggregation factor: 2.93
Prefixes being announced from the APNIC address blocks: 72318
Unique aggregates announced from the APNIC address blocks: 31117
APNIC Region origin ASes present in the Internet Routing Table: 3889
APNIC Prefixes per ASN: 18.60
APNIC Region origin ASes announcing only one prefix: 1058
APNIC Region transit ASes present in the Internet Routing Table: 607
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 486074880
Equivalent to 28 /8s, 248 /16s and 234 /24s
Percentage of available APNIC address space announced: 80.5
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 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,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 131762
Total ARIN prefixes after maximum aggregation: 67988
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 105291
Unique aggregates announced from the ARIN address blocks: 38996
ARIN Region origin ASes present in the Internet Routing Table: 13451
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5206
ARIN Region transit ASes present in the Internet Routing Table: 1366
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 734375201
Equivalent to 43 /8s, 197 /16s and 173 /24s
Percentage of available ARIN address space announced: 64.4
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, 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, 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: 72476
Total RIPE prefixes after maximum aggregation: 41568
RIPE Deaggregation factor: 1.74
Prefixes being announced from the RIPE address blocks: 65839
Unique aggregates announced from the RIPE address blocks: 42767
RIPE Region origin ASes present in the Internet Routing Table: 13923
RIPE Prefixes per ASN: 4.73
RIPE Region origin ASes announcing only one prefix: 7210
RIPE Region transit ASes present in the Internet Routing Table: 2144
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 409465657
Equivalent to 24 /8s, 103 /16s and 243 /24s
Percentage of available RIPE address space announced: 76.3
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, 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, 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: 27736
Total LACNIC prefixes after maximum aggregation: 6562
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 26067
Unique aggregates announced from the LACNIC address blocks: 13835
LACNIC Region origin ASes present in the Internet Routing Table: 1225
LACNIC Prefixes per ASN: 21.28
LACNIC Region origin ASes announcing only one prefix: 385
LACNIC Region transit ASes present in the Internet Routing Table: 201
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 69609744
Equivalent to 4 /8s, 38 /16s and 41 /24s
Percentage of available LACNIC address space announced: 69.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 5940
Total AfriNIC prefixes after maximum aggregation: 1594
AfriNIC Deaggregation factor: 3.73
Prefixes being announced from the AfriNIC address blocks: 4346
Unique aggregates announced from the AfriNIC address blocks: 1542
AfriNIC Region origin ASes present in the Internet Routing Table: 334
AfriNIC Prefixes per ASN: 13.01
AfriNIC Region origin ASes announcing only one prefix: 91
AfriNIC Region transit ASes present in the Internet Routing Table: 71
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC addresses announced to Internet: 14526464
Equivalent to 0 /8s, 221 /16s and 168 /24s
Percentage of available AfriNIC address space announced: 43.3
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 1624 7508 459 Korea Telecom (KIX)
17488 1459 145 133 Hathway IP Over Cable Interne
4755 1284 291 146 Videsh Sanchar Nigam Ltd. Aut
9583 998 75 505 Sify Limited
18101 997 204 37 Reliance Infocom Ltd Internet
4134 955 19445 398 CHINANET-BACKBONE
7545 923 198 97 TPG Internet Pty Ltd
17974 849 272 62 PT TELEKOMUNIKASI INDONESIA
9829 848 676 23 BSNL National Internet Backbo
24560 817 295 178 Bharti Airtel Ltd.
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 4186 3891 306 bellsouth.net, inc.
4323 3773 1068 399 Time Warner Telecom
20115 2146 1488 663 Charter Communications
1785 1798 699 134 AppliedTheory Corporation
7018 1584 5783 1029 AT&T WorldNet Services
2386 1287 600 936 AT&T Data Communications Serv
3356 1215 10930 424 Level 3 Communications, LLC
11492 1153 222 14 Cable One
22773 1122 2600 66 Cox Communications, Inc.
6478 1099 242 304 AT&T Worldnet Services
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
30890 518 99 208 Evolva Telecom
35805 511 40 5 United Telecom AS
9116 508 296 30 Goldenlines main autonomous s
3292 451 1903 393 TDC Tele Danmark
3216 430 133 30 Teleross, Moscow, Russia
702 419 1837 337 UUNET - Commercial IP service
8551 388 354 41 Bezeq International
8866 383 110 23 Bulgarian Telecommunication C
3301 377 1412 306 TeliaNet Sweden
3320 360 7068 306 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 1569 2898 229 Uninet S.A. de C.V.
28573 1022 679 82 Types of queries are: POCs, o
10620 1005 224 131 TVCABLE BOGOTA
7303 666 351 96 Telecom Argentina Stet-France
22047 545 302 14 Types of queries are: POCs, o
11830 473 308 59 Instituto Costarricense de El
7738 453 858 29 Telecomunicacoes da Bahia S.A
11172 446 99 70 Alestra
6503 445 163 183 AVANTEL, S.A.
14117 437 29 11 Telefonica del Sur S.A.
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 1039 444 8 TEDATA
24863 715 142 54 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 178 196 100 TENET-1
6713 177 167 12 Itissalat Al-MAGHRIB
29571 157 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
5536 121 8 18 Internet Egypt Network
33776 119 6 11 Starcomms Nigeria Limited
5713 115 505 68 Telkom SA Ltd
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 4186 3891 306 bellsouth.net, inc.
4323 3773 1068 399 Time Warner Telecom
20115 2146 1488 663 Charter Communications
1785 1798 699 134 AppliedTheory Corporation
4766 1624 7508 459 Korea Telecom (KIX)
7018 1584 5783 1029 AT&T WorldNet Services
8151 1569 2898 229 Uninet S.A. de C.V.
17488 1459 145 133 Hathway IP Over Cable Interne
2386 1287 600 936 AT&T Data Communications Serv
4755 1284 291 146 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 3773 3374 Time Warner Telecom
1785 1798 1664 AppliedTheory Corporation
20115 2146 1483 Charter Communications
8151 1569 1340 Uninet S.A. de C.V.
17488 1459 1326 Hathway IP Over Cable Interne
4766 1624 1165 Korea Telecom (KIX)
11492 1153 1139 Cable One
4755 1284 1138 Videsh Sanchar Nigam Ltd. Aut
22773 1122 1056 Cox Communications, Inc.
18566 1059 1049 Covad Communications
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 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 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
10.29.248.71/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /8:22 /9:10 /10:25 /11:65 /12:184
/13:385 /14:652 /15:1238 /16:10864 /17:5141 /18:8767
/19:18204 /20:21949 /21:22008 /22:28466 /23:28662 /24:162583
/25:743 /26:1033 /27:414 /28:477 /29:796 /30:683
/31:3 /32:347
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2726 4186 bellsouth.net, inc.
4323 2364 3773 Time Warner Telecom
4766 1275 1624 Korea Telecom (KIX)
1785 1265 1798 AppliedTheory Corporation
17488 1224 1459 Hathway IP Over Cable Interne
20115 1150 2146 Charter Communications
11492 1073 1153 Cable One
18566 1040 1059 Covad Communications
7018 955 1584 AT&T WorldNet Services
8452 935 1039 TEDATA
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:13 8:245 12:2031 13:9 15:22
16:3 17:8 20:37 24:1330 32:151 38:638
40:99 41:1853 44:3 46:1 47:30 52:6
55:2 56:2 57:36 58:644 59:658 60:445
61:1102 62:980 63:2024 64:3819 65:2374 66:4163
67:1861 68:1065 69:2811 70:686 71:245 72:1898
73:3 74:2081 75:232 76:362 77:867 78:605
79:405 80:961 81:807 82:504 83:446 84:516
85:1012 86:393 87:701 88:421 89:1572 90:62
91:2677 92:425 93:1138 94:1343 95:796 96:194
97:291 98:466 99:23 109:203 110:281 111:516
112:165 113:221 114:296 115:470 116:1097 117:592
118:385 119:804 120:148 121:837 122:1363 123:801
124:1019 125:1316 128:213 129:202 130:134 131:454
132:83 133:16 134:188 135:41 136:228 137:168
138:235 139:92 140:463 141:122 142:377 143:335
144:390 145:53 146:390 147:180 148:564 149:196
150:151 151:172 152:229 153:162 154:2 155:270
156:174 157:333 158:97 159:355 160:305 161:174
162:281 163:221 164:309 165:472 166:490 167:393
168:762 169:160 170:601 171:42 172:1 173:404
174:532 175:20 180:272 183:171 184:3 186:243
187:252 188:1075 189:667 190:3433 192:5748 193:4390
194:3405 195:2892 196:1183 198:3559 199:3394 200:5279
201:1492 202:8213 203:8316 204:3991 205:2171 206:2430
207:3071 208:3957 209:3438 210:2567 211:1177 212:1710
213:1677 214:250 215:58 216:4479 217:1387 218:483
219:483 220:1169 221:450 222:300
End of report
