Routing Table Report 00:00 GMT Fri 17 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: 297725
Prefixes after maximum aggregation: 138408
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 95656
Total ASes present in the Internet Routing Table: 31786
Prefixes per ASN: 9.37
Origin-only ASes present in the Internet Routing Table: 27561
Origin ASes announcing only one prefix: 13401
Transit ASes present in the Internet Routing Table: 4225
Transit-only ASes present in the Internet Routing Table: 106
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 532
Unregistered ASNs in the Routing Table: 160
Number of 32-bit ASNs allocated by the RIRs: 201
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: 344
Number of addresses announced to Internet: 1155302302
Equivalent to 68 /8s, 220 /16s and 131 /24s
Percentage of available address space announced: 31.2
Percentage of allocated address space announced: 36.1
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: 148653
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69625
Total APNIC prefixes after maximum aggregation: 24458
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 69069
Unique aggregates announced from the APNIC address blocks: 21931
APNIC Region origin ASes present in the Internet Routing Table: 3703
APNIC Prefixes per ASN: 18.65
APNIC Region origin ASes announcing only one prefix: 1013
APNIC Region transit ASes present in the Internet Routing Table: 577
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 236698048
Equivalent to 14 /8s, 27 /16s and 185 /24s
Percentage of available APNIC address space announced: 44.1
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: 125988
Total ARIN prefixes after maximum aggregation: 66494
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 126404
Unique aggregates announced from the ARIN address blocks: 34777
ARIN Region origin ASes present in the Internet Routing Table: 13133
ARIN Prefixes per ASN: 9.62
ARIN Region origin ASes announcing only one prefix: 5046
ARIN Region transit ASes present in the Internet Routing Table: 1308
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 645069205
Equivalent to 38 /8s, 114 /16s and 249 /24s
Percentage of available ARIN address space announced: 124.0
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: 68253
Total RIPE prefixes after maximum aggregation: 39565
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 68127
Unique aggregates announced from the RIPE address blocks: 22701
RIPE Region origin ASes present in the Internet Routing Table: 13283
RIPE Prefixes per ASN: 5.13
RIPE Region origin ASes announcing only one prefix: 6893
RIPE Region transit ASes present in the Internet Routing Table: 2024
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 180421760
Equivalent to 10 /8s, 193 /16s and 4 /24s
Percentage of available RIPE address space announced: 38.4
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: 27204
Total LACNIC prefixes after maximum aggregation: 6069
LACNIC Deaggregation factor: 4.48
Prefixes being announced from the LACNIC address blocks: 27149
Unique aggregates announced from the LACNIC address blocks: 13578
LACNIC Region origin ASes present in the Internet Routing Table: 1147
LACNIC Prefixes per ASN: 23.67
LACNIC Region origin ASes announcing only one prefix: 362
LACNIC Region transit ASes present in the Internet Routing Table: 186
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 72038280
Equivalent to 4 /8s, 75 /16s and 55 /24s
Percentage of available LACNIC address space announced: 71.6
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: 6222
Total AfriNIC prefixes after maximum aggregation: 1502
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6618
Unique aggregates announced from the AfriNIC address blocks: 2420
AfriNIC Region origin ASes present in the Internet Routing Table: 304
AfriNIC Prefixes per ASN: 21.77
AfriNIC Region origin ASes announcing only one prefix: 87
AfriNIC Region transit ASes present in the Internet Routing Table: 64
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 19430400
Equivalent to 1 /8s, 40 /16s and 124 /24s
Percentage of available AfriNIC address space announced: 57.9
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 1541 137 103 Hathway IP Over Cable Interne
4766 1536 6934 407 Korea Telecom (KIX)
4755 1216 292 142 Videsh Sanchar Nigam Ltd. Aut
9583 1136 87 561 Sify Limited
4134 938 17292 376 CHINANET-BACKBONE
7545 811 198 102 TPG Internet Pty Ltd
9829 800 611 14 BSNL National Internet Backbo
18101 749 201 32 Reliance Infocom Ltd Internet
24560 728 230 167 Bharti Airtel Ltd.
17974 693 229 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 4244 3641 320 bellsouth.net, inc.
20115 2111 1465 681 Charter Communications
4323 1893 1047 384 Time Warner Telecom
1785 1711 714 139 AppliedTheory Corporation
7018 1495 9994 1037 AT&T WorldNet Services
2386 1266 655 925 AT&T Data Communications Serv
6478 1214 274 313 AT&T Worldnet Services
3356 1197 10961 440 Level 3 Communications, LLC
11492 1127 208 12 Cable One
22773 1076 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 343 UUNET - Commercial IP service
30890 483 92 196 Evolva Telecom
12479 474 578 6 Uni2 Autonomous System
3292 463 1902 391 TDC Tele Danmark
3301 377 1684 310 TeliaNet Sweden
35805 356 40 5 United Telecom AS
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
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 2112 315 89 Telecom Argentina Stet-France
8151 1468 2882 231 Uninet S.A. de C.V.
10620 960 216 110 TVCABLE BOGOTA
28573 615 575 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 404 108 10 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 1025 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 145 9 10 EEPAD TISP TELECOM & INTERNET
29571 140 15 8 Ci Telecom Autonomous system
24835 129 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 4244 3641 320 bellsouth.net, inc.
7303 2112 315 89 Telecom Argentina Stet-France
20115 2111 1465 681 Charter Communications
4323 1893 1047 384 Time Warner Telecom
1785 1711 714 139 AppliedTheory Corporation
17488 1541 137 103 Hathway IP Over Cable Interne
4766 1536 6934 407 Korea Telecom (KIX)
7018 1495 9994 1037 AT&T WorldNet Services
8151 1468 2882 231 Uninet S.A. de C.V.
2386 1266 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 2112 2023 Telecom Argentina Stet-France
1785 1711 1572 AppliedTheory Corporation
4323 1893 1509 Time Warner Telecom
17488 1541 1438 Hathway IP Over Cable Interne
20115 2111 1430 Charter Communications
8151 1468 1237 Uninet S.A. de C.V.
4766 1536 1129 Korea Telecom (KIX)
11492 1127 1115 Cable One
4755 1216 1074 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 /16:10569 /17:4839 /18:8300
/19:17353 /20:20652 /21:20734 /22:27335 /23:26766 /24:155083
/25:629 /26:792 /27:305 /28:337 /29:706 /30:649
/31:3 /32:250
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2758 4244 bellsouth.net, inc.
7303 1608 2112 Telecom Argentina Stet-France
17488 1287 1541 Hathway IP Over Cable Interne
4766 1235 1536 Korea Telecom (KIX)
1785 1182 1711 AppliedTheory Corporation
20115 1132 2111 Charter Communications
11492 1053 1127 Cable One
18566 1043 1062 Covad Communications
9583 989 1136 Sify Limited
2386 985 1266 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 12:2152 13:7 15:19 16:3
17:5 20:35 24:1168 32:150 34:2 38:580
40:98 41:1784 43:1 44:2 47:22 52:6
55:2 56:2 57:37 58:596 59:649 60:462
61:1077 62:1167 63:2066 64:3723 65:2402 66:3655
67:1617 68:885 69:2661 70:554 71:175 72:1681
73:2 74:1624 75:175 76:343 77:836 78:575
79:355 80:993 81:841 82:605 83:460 84:619
85:1034 86:378 87:678 88:371 89:1465 90:50
91:2424 92:363 93:1095 94:1226 95:1122 96:153
97:229 98:250 99:26 110:176 111:91 112:109
113:138 114:255 115:317 116:1135 117:538 118:355
119:761 120:156 121:786 122:1054 123:701 124:978
125:1374 128:225 129:232 130:128 131:414 132:74
133:9 134:187 135:40 136:219 137:165 138:168
139:91 140:445 141:121 142:389 143:351 144:366
145:48 146:388 147:155 148:516 149:310 150:180
151:194 152:146 153:154 154:2 155:274 156:167
157:301 158:116 159:343 160:290 161:153 162:274
163:162 164:476 165:515 166:465 167:360 168:655
169:172 170:504 171:41 172:10 173:312 174:240
178:1 186:103 187:151 188:279 189:629 190:3256
192:5818 193:4381 194:3428 195:2835 196:1116 198:3625
199:3367 200:5482 201:1446 202:7869 203:8277 204:3902
205:2260 206:2463 207:2746 208:3890 209:3386 210:2540
211:1148 212:1685 213:1696 214:84 215:29 216:4591
217:1364 218:404 219:475 220:1118 221:480 222:326
End of report