Routing Table Report 00:00 GMT Sun 19 Jul, 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: 297629
Prefixes after maximum aggregation: 138508
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 144855
Total ASes present in the Internet Routing Table: 31825
Prefixes per ASN: 9.35
Origin-only ASes present in the Internet Routing Table: 27575
Origin ASes announcing only one prefix: 13434
Transit ASes present in the Internet Routing Table: 4250
Transit-only ASes present in the Internet Routing Table: 107
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 482
Unregistered ASNs in the Routing Table: 152
Number of 32-bit ASNs allocated by the RIRs: 205
Prefixes from 32-bit ASNs in the Routing Table: 68
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 340
Number of addresses announced to Internet: 2071952026
Equivalent to 123 /8s, 127 /16s and 122 /24s
Percentage of available address space announced: 55.9
Percentage of allocated address space announced: 64.7
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 78.3
Total number of prefixes smaller than registry allocations: 148300
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69852
Total APNIC prefixes after maximum aggregation: 24514
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 69298
Unique aggregates announced from the APNIC address blocks: 31540
APNIC Region origin ASes present in the Internet Routing Table: 3706
APNIC Prefixes per ASN: 18.70
APNIC Region origin ASes announcing only one prefix: 1010
APNIC Region transit ASes present in the Internet Routing Table: 585
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 469531664
Equivalent to 27 /8s, 252 /16s and 124 /24s
Percentage of available APNIC address space announced: 87.5
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: 125976
Total ARIN prefixes after maximum aggregation: 66491
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 126389
Unique aggregates announced from the ARIN address blocks: 52109
ARIN Region origin ASes present in the Internet Routing Table: 13136
ARIN Prefixes per ASN: 9.62
ARIN Region origin ASes announcing only one prefix: 5051
ARIN Region transit ASes present in the Internet Routing Table: 1319
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 1010524725
Equivalent to 60 /8s, 59 /16s and 98 /24s
Percentage of available ARIN address space announced: 194.3
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: 68166
Total RIPE prefixes after maximum aggregation: 39647
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67999
Unique aggregates announced from the RIPE address blocks: 44787
RIPE Region origin ASes present in the Internet Routing Table: 13318
RIPE Prefixes per ASN: 5.11
RIPE Region origin ASes announcing only one prefix: 6920
RIPE Region transit ASes present in the Internet Routing Table: 2028
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 497002632
Equivalent to 29 /8s, 159 /16s and 168 /24s
Percentage of available RIPE address space announced: 105.8
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: 27012
Total LACNIC prefixes after maximum aggregation: 6076
LACNIC Deaggregation factor: 4.45
Prefixes being announced from the LACNIC address blocks: 26957
Unique aggregates announced from the LACNIC address blocks: 13602
LACNIC Region origin ASes present in the Internet Routing Table: 1146
LACNIC Prefixes per ASN: 23.52
LACNIC Region origin ASes announcing only one prefix: 362
LACNIC Region transit ASes present in the Internet Routing Table: 190
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 72456072
Equivalent to 4 /8s, 81 /16s and 151 /24s
Percentage of available LACNIC address space announced: 72.0
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: 6238
Total AfriNIC prefixes after maximum aggregation: 1504
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 6632
Unique aggregates announced from the AfriNIC address blocks: 2538
AfriNIC Region origin ASes present in the Internet Routing Table: 307
AfriNIC Prefixes per ASN: 21.60
AfriNIC Region origin ASes announcing only one prefix: 91
AfriNIC Region transit ASes present in the Internet Routing Table: 66
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 20047872
Equivalent to 1 /8s, 49 /16s and 232 /24s
Percentage of available AfriNIC address space announced: 59.7
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 1542 137 103 Hathway IP Over Cable Interne
4766 1536 6934 407 Korea Telecom (KIX)
4755 1211 291 138 Videsh Sanchar Nigam Ltd. Aut
9583 1136 87 561 Sify Limited
4134 937 17290 375 CHINANET-BACKBONE
7545 812 198 102 TPG Internet Pty Ltd
9829 800 611 14 BSNL National Internet Backbo
18101 749 201 32 Reliance Infocom Ltd Internet
24560 729 246 168 Bharti Airtel Ltd.
17974 698 229 94 PT TELEKOMUNIKASI INDONESIA
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 4242 3641 320 bellsouth.net, inc.
20115 2107 1462 675 Charter Communications
4323 1894 1048 385 Time Warner Telecom
1785 1710 714 139 AppliedTheory Corporation
7018 1489 9993 1031 AT&T WorldNet Services
2386 1267 655 925 AT&T Data Communications Serv
6478 1217 275 311 AT&T Worldnet Services
3356 1198 10961 442 Level 3 Communications, LLC
11492 1127 208 12 Cable One
22773 1077 2604 66 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
702 626 1861 344 UUNET - Commercial IP service
30890 484 92 196 Evolva Telecom
12479 471 578 6 Uni2 Autonomous System
3292 463 1902 391 TDC Tele Danmark
3301 377 1684 310 TeliaNet Sweden
3320 351 7082 305 Deutsche Telekom AG
8997 344 152 8 SPBNIT-RU Autonomous System
3215 343 3065 108 France Telecom Transpac
8866 335 109 22 Bulgarian Telecommunication C
29049 308 26 3 AzerSat LLC.
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 2113 316 88 Telecom Argentina Stet-France
8151 1469 2882 228 Uninet S.A. de C.V.
10620 961 216 111 TVCABLE BOGOTA
28573 610 575 32 Types of queries are: POCs, o
22047 543 302 14 Types of queries are: POCs, o
11830 489 309 56 Instituto Costarricense de El
11172 442 99 70 Alestra
6471 434 96 31 ENTEL CHILE S.A.
7738 426 862 30 Telecomunicacoes da Bahia S.A
16735 406 124 11 Companhia de Telecomunicacoes
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 1026 188 7 TEDATA
24863 903 90 48 LINKdotNET AS number
20858 323 34 5 EgyNet
3741 276 856 236 The Internet Solution
2018 243 215 143 TENET-1
6713 176 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 140 15 8 Ci Telecom Autonomous system
24835 130 46 9 RAYA Telecom - Egypt
5536 123 8 9 Internet Egypt Network
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 4242 3641 320 bellsouth.net, inc.
7303 2113 316 88 Telecom Argentina Stet-France
20115 2107 1462 675 Charter Communications
4323 1894 1048 385 Time Warner Telecom
1785 1710 714 139 AppliedTheory Corporation
17488 1542 137 103 Hathway IP Over Cable Interne
4766 1536 6934 407 Korea Telecom (KIX)
7018 1489 9993 1031 AT&T WorldNet Services
8151 1469 2882 228 Uninet S.A. de C.V.
2386 1267 655 925 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7303 2113 2025 Telecom Argentina Stet-France
1785 1710 1571 AppliedTheory Corporation
4323 1894 1509 Time Warner Telecom
17488 1542 1439 Hathway IP Over Cable Interne
20115 2107 1432 Charter Communications
8151 1469 1241 Uninet S.A. de C.V.
4766 1536 1129 Korea Telecom (KIX)
11492 1127 1115 Cable One
4755 1211 1073 Videsh Sanchar Nigam Ltd. Aut
18566 1062 1052 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
10.29.248.71/32 286 KPNQwest Backbone AS
41.223.92.0/22 36936 >>UNKNOWN<<
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
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 22555 Universal Talkware Corporatio
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 /8:19 /9:10 /10:23 /11:58 /12:172
/13:353 /14:617 /15:1171 /16:10568 /17:4835 /18:8306
/19:17350 /20:20688 /21:20754 /22:27366 /23:26814 /24:154962
/25:625 /26:792 /27:304 /28:337 /29:613 /30:639
/31:3 /32:250
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2756 4242 bellsouth.net, inc.
7303 1610 2113 Telecom Argentina Stet-France
17488 1288 1542 Hathway IP Over Cable Interne
4766 1235 1536 Korea Telecom (KIX)
1785 1182 1710 AppliedTheory Corporation
20115 1127 2107 Charter Communications
11492 1053 1127 Cable One
18566 1043 1062 Covad Communications
9583 989 1136 Sify Limited
2386 986 1267 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:211 12:2155 13:7 15:19 16:3
17:5 20:35 24:1168 32:150 34:2 38:580
40:98 41:1776 43:1 44:2 47:22 52:6
55:2 56:2 57:37 58:599 59:649 60:460
61:1077 62:1166 63:2063 64:3708 65:2403 66:3656
67:1617 68:885 69:2664 70:554 71:175 72:1681
73:2 74:1625 75:175 76:347 77:842 78:576
79:358 80:994 81:834 82:605 83:458 84:629
85:1035 86:376 87:673 88:371 89:1464 90:49
91:2424 92:365 93:1073 94:1024 95:1124 96:153
97:230 98:249 99:26 110:176 111:277 112:110
113:140 114:255 115:319 116:1135 117:537 118:356
119:761 120:146 121:786 122:1055 123:698 124:982
125:1373 128:225 129:233 130:126 131:413 132:74
133:9 134:187 135:40 136:219 137:165 138:168
139:92 140:448 141:121 142:385 143:351 144:365
145:48 146:388 147:155 148:517 149:309 150:175
151:193 152:146 153:154 154:2 155:274 156:166
157:301 158:117 159:345 160:289 161:153 162:275
163:158 164:476 165:515 166:465 167:362 168:661
169:172 170:505 171:41 172:10 173:314 174:240
178:1 186:103 187:134 188:282 189:589 190:3285
192:5814 193:4382 194:3432 195:2841 196:1124 198:3618
199:3364 200:5469 201:1418 202:7860 203:8291 204:3888
205:2266 206:2462 207:2747 208:3891 209:3380 210:2539
211:1149 212:1687 213:1701 214:84 215:29 216:4588
217:1358 218:406 219:476 220:1112 221:480 222:326
End of report