Routing Table Report 00:00 GMT Tue 05 May, 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: 288979
Prefixes after maximum aggregation: 135943
Deaggregation factor: 2.13
Unique aggregates announced to Internet: 141033
Total ASes present in the Internet Routing Table: 31145
Prefixes per ASN: 9.28
Origin-only ASes present in the Internet Routing Table: 27070
Origin ASes announcing only one prefix: 13215
Transit ASes present in the Internet Routing Table: 4075
Transit-only ASes present in the Internet Routing Table: 95
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 29
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 531
Unregistered ASNs in the Routing Table: 184
Number of 32-bit ASNs allocated by the RIRs: 141
Prefixes from 32-bit ASNs in the Routing Table: 27
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 197
Number of addresses announced to Internet: 2038352169
Equivalent to 121 /8s, 126 /16s and 201 /24s
Percentage of available address space announced: 55.0
Percentage of allocated address space announced: 63.6
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 76.6
Total number of prefixes smaller than registry allocations: 142706
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 66468
Total APNIC prefixes after maximum aggregation: 23510
APNIC Deaggregation factor: 2.83
Prefixes being announced from the APNIC address blocks: 63167
Unique aggregates announced from the APNIC address blocks: 28919
APNIC Region origin ASes present in the Internet Routing Table: 3588
APNIC Prefixes per ASN: 17.61
APNIC Region origin ASes announcing only one prefix: 982
APNIC Region transit ASes present in the Internet Routing Table: 546
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 412587008
Equivalent to 24 /8s, 151 /16s and 148 /24s
Percentage of available APNIC address space announced: 76.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 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,
180/8, 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: 124585
Total ARIN prefixes after maximum aggregation: 66495
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 93022
Unique aggregates announced from the ARIN address blocks: 36644
ARIN Region origin ASes present in the Internet Routing Table: 12971
ARIN Prefixes per ASN: 7.17
ARIN Region origin ASes announcing only one prefix: 5003
ARIN Region transit ASes present in the Internet Routing Table: 1283
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 428462337
Equivalent to 25 /8s, 137 /16s and 209 /24s
Percentage of available ARIN address space announced: 82.4
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
ARIN Address Blocks 24/8, 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, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 66686
Total RIPE prefixes after maximum aggregation: 38248
RIPE Deaggregation factor: 1.74
Prefixes being announced from the RIPE address blocks: 61393
Unique aggregates announced from the RIPE address blocks: 39962
RIPE Region origin ASes present in the Internet Routing Table: 12956
RIPE Prefixes per ASN: 4.74
RIPE Region origin ASes announcing only one prefix: 6784
RIPE Region transit ASes present in the Internet Routing Table: 1953
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 393264424
Equivalent to 23 /8s, 112 /16s and 189 /24s
Percentage of available RIPE address space announced: 83.7
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
RIPE Address Blocks 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: 25845
Total LACNIC prefixes after maximum aggregation: 5908
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 23979
Unique aggregates announced from the LACNIC address blocks: 12138
LACNIC Region origin ASes present in the Internet Routing Table: 1106
LACNIC Prefixes per ASN: 21.68
LACNIC Region origin ASes announcing only one prefix: 357
LACNIC Region transit ASes present in the Internet Routing Table: 183
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 62947338
Equivalent to 3 /8s, 192 /16s and 128 /24s
Percentage of available LACNIC address space announced: 62.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
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: 4952
Total AfriNIC prefixes after maximum aggregation: 1441
AfriNIC Deaggregation factor: 3.44
Prefixes being announced from the AfriNIC address blocks: 4599
Unique aggregates announced from the AfriNIC address blocks: 1405
AfriNIC Region origin ASes present in the Internet Routing Table: 293
AfriNIC Prefixes per ASN: 15.70
AfriNIC Region origin ASes announcing only one prefix: 89
AfriNIC Region transit ASes present in the Internet Routing Table: 60
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 11303424
Equivalent to 0 /8s, 172 /16s and 122 /24s
Percentage of available AfriNIC address space announced: 33.7
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
17488 1561 125 101 Hathway IP Over Cable Interne
4766 1534 6929 402 Korea Telecom (KIX)
4755 1189 406 174 Videsh Sanchar Nigam Ltd. Aut
9583 1079 86 535 Sify Limited
4134 882 16676 373 CHINANET-BACKBONE
7545 794 168 107 TPG Internet Pty Ltd
18101 753 217 31 Reliance Infocom Ltd Internet
24560 684 229 175 Bharti Airtel Ltd.
9498 645 295 51 BHARTI BT INTERNET LTD.
9829 624 495 21 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 4308 3653 343 bellsouth.net, inc.
4323 1847 1035 375 Time Warner Telecom
1785 1753 717 139 AppliedTheory Corporation
20115 1604 1442 724 Charter Communications
7018 1450 9964 999 AT&T WorldNet Services
6478 1391 308 427 AT&T Worldnet Services
2386 1261 682 915 AT&T Data Communications Serv
3356 1208 10980 453 Level 3 Communications, LLC
11492 1096 192 11 Cable One
18566 1062 296 10 Covad Communications
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
8452 1236 188 7 TEDATA
30890 541 88 200 Evolva Telecom
35228 499 144 5 Avatar Broadband Limited
3292 469 1763 395 TDC Tele Danmark
12479 446 578 6 Uni2 Autonomous System
8866 368 110 24 Bulgarian Telecommunication C
3320 344 7081 295 Deutsche Telekom AG
3215 342 3041 108 France Telecom Transpac
3301 342 1670 306 TeliaNet Sweden
35805 330 24 4 United Telecom AS
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
7303 1903 272 76 Telecom Argentina Stet-France
8151 1444 2847 229 Uninet S.A. de C.V.
10620 904 208 91 TVCABLE BOGOTA
22047 617 302 14 Types of queries are: POCs, o
11830 515 294 34 Instituto Costarricense de El
6471 442 96 31 ENTEL CHILE S.A.
11172 442 102 72 Alestra
28573 426 557 26 Types of queries are: POCs, o
7738 411 794 28 Telecomunicacoes da Bahia S.A
16814 409 31 10 NSS, 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
24863 858 79 41 LINKdotNET AS number
20858 301 34 4 EgyNet
3741 277 860 237 The Internet Solution
2018 243 215 143 TENET-1
6713 159 150 15 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 9 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
5713 115 507 66 Telkom SA Ltd
24835 107 46 9 RAYA Telecom - Egypt
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 4308 3653 343 bellsouth.net, inc.
7303 1903 272 76 Telecom Argentina Stet-France
4323 1847 1035 375 Time Warner Telecom
1785 1753 717 139 AppliedTheory Corporation
20115 1604 1442 724 Charter Communications
17488 1561 125 101 Hathway IP Over Cable Interne
4766 1534 6929 402 Korea Telecom (KIX)
7018 1450 9964 999 AT&T WorldNet Services
8151 1444 2847 229 Uninet S.A. de C.V.
6478 1391 308 427 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7303 1903 1827 Telecom Argentina Stet-France
1785 1753 1614 AppliedTheory Corporation
4323 1847 1472 Time Warner Telecom
17488 1561 1460 Hathway IP Over Cable Interne
8452 1236 1229 TEDATA
8151 1444 1215 Uninet S.A. de C.V.
4766 1534 1132 Korea Telecom (KIX)
11492 1096 1085 Cable One
18566 1062 1052 Covad Communications
4755 1189 1015 Videsh Sanchar Nigam Ltd. Aut
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
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.96.0.0/24 36947 FAWRI
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /8:20 /9:10 /10:20 /11:59 /12:170
/13:343 /14:601 /15:1157 /16:10467 /17:4727 /18:8053
/19:16932 /20:20197 /21:20130 /22:26481 /23:25681 /24:152420
/25:203 /26:284 /27:229 /28:246 /29:248 /30:159
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2806 4308 bellsouth.net, inc.
7303 1423 1903 Telecom Argentina Stet-France
17488 1306 1561 Hathway IP Over Cable Interne
4766 1229 1534 Korea Telecom (KIX)
8452 1210 1236 TEDATA
1785 1158 1753 AppliedTheory Corporation
18566 1043 1062 Covad Communications
11492 1034 1096 Cable One
2386 960 1261 AT&T Data Communications Serv
4323 952 1847 Time Warner Telecom
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:13 8:199 12:2230 13:6 15:19
16:3 17:4 20:35 24:1063 32:143 38:530
40:97 41:2009 43:1 44:2 47:22 52:4
55:2 56:3 57:38 58:582 59:633 60:459
61:1127 62:1166 63:1982 64:3678 65:2373 66:3648
67:1598 68:738 69:2585 70:531 71:143 72:1682
73:2 74:1494 75:171 76:311 77:821 78:562
79:333 80:961 81:821 82:558 83:423 84:607
85:1085 86:399 87:666 88:357 89:1438 90:47
91:2182 92:320 93:1035 94:1244 95:1148 96:123
97:203 98:214 99:17 109:1 110:96 112:108
113:101 114:239 115:253 116:1171 117:521 118:284
119:685 120:145 121:720 122:1014 123:685 124:966
125:1313 128:222 129:232 130:126 131:415 132:73
133:9 134:184 135:215 136:242 137:153 138:159
139:90 140:445 141:107 142:376 143:349 144:361
145:47 146:373 147:154 148:516 149:314 150:181
151:199 152:146 153:145 154:2 155:274 156:169
157:301 158:115 159:306 160:281 161:133 162:273
163:151 164:484 165:542 166:276 167:361 168:676
169:161 170:500 171:39 172:10 173:274 174:202
178:1 186:9 187:112 188:13 189:424 190:2984
192:5827 193:4328 194:3413 195:2753 196:1064 198:3714
199:3354 200:5730 201:1521 202:7976 203:8177 204:3806
205:2259 206:2438 207:2781 208:3921 209:3357 210:2705
211:1136 212:1546 213:1737 214:67 215:30 216:4622
217:1274 218:369 219:429 220:1224 221:469 222:294
End of report