Routing Table Report 00:00 GMT Sat 14 Jun, 2008
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: 264066
Prefixes after maximum aggregation: 129535
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 126909
Total ASes present in the Internet Routing Table: 28516
Prefixes per ASN: 9.26
Origin-only ASes present in the Internet Routing Table: 24743
Origin ASes announcing only one prefix: 12000
Transit ASes present in the Internet Routing Table: 3773
Transit-only ASes present in the Internet Routing Table: 86
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 28
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 640
Unregistered ASNs in the Routing Table: 240
Number of 32-bit ASNs allocated by the RIRs: 48
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 796
Number of addresses announced to Internet: 1878019508
Equivalent to 111 /8s, 240 /16s and 77 /24s
Percentage of available address space announced: 50.7
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.2
Total number of prefixes smaller than registry allocations: 129466
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59094
Total APNIC prefixes after maximum aggregation: 22140
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 56207
Unique aggregates announced from the APNIC address blocks: 25029
APNIC Region origin ASes present in the Internet Routing Table: 3279
APNIC Prefixes per ASN: 17.14
APNIC Region origin ASes announcing only one prefix: 884
APNIC Region transit ASes present in the Internet Routing Table: 524
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 27
Number of APNIC addresses announced to Internet: 352286880
Equivalent to 20 /8s, 255 /16s and 120 /24s
Percentage of available APNIC address space announced: 75.0
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, 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, 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: 121712
Total ARIN prefixes after maximum aggregation: 66408
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 90699
Unique aggregates announced from the ARIN address blocks: 34815
ARIN Region origin ASes present in the Internet Routing Table: 12237
ARIN Prefixes per ASN: 7.41
ARIN Region origin ASes announcing only one prefix: 4737
ARIN Region transit ASes present in the Internet Routing Table: 1192
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 358464001
Equivalent to 21 /8s, 93 /16s and 186 /24s
Percentage of available ARIN address space announced: 73.7
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
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, 173/8, 174/8,
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: 56736
Total RIPE prefixes after maximum aggregation: 34136
RIPE Deaggregation factor: 1.66
Prefixes being announced from the RIPE address blocks: 52165
Unique aggregates announced from the RIPE address blocks: 34330
RIPE Region origin ASes present in the Internet Routing Table: 11490
RIPE Prefixes per ASN: 4.54
RIPE Region origin ASes announcing only one prefix: 5999
RIPE Region transit ASes present in the Internet Routing Table: 1776
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 361137216
Equivalent to 21 /8s, 134 /16s and 132 /24s
Percentage of available RIPE address space announced: 82.8
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, 47104-48127
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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 21986
Total LACNIC prefixes after maximum aggregation: 5124
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 20222
Unique aggregates announced from the LACNIC address blocks: 10373
LACNIC Region origin ASes present in the Internet Routing Table: 955
LACNIC Prefixes per ASN: 21.17
LACNIC Region origin ASes announcing only one prefix: 301
LACNIC Region transit ASes present in the Internet Routing Table: 161
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 52375948
Equivalent to 3 /8s, 31 /16s and 49 /24s
Percentage of available LACNIC address space announced: 52.0
LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3905
Total AfriNIC prefixes after maximum aggregation: 1209
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4177
Unique aggregates announced from the AfriNIC address blocks: 1870
AfriNIC Region origin ASes present in the Internet Routing Table: 245
AfriNIC Prefixes per ASN: 17.05
AfriNIC Region origin ASes announcing only one prefix: 79
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 12312320
Equivalent to 0 /8s, 187 /16s and 223 /24s
Percentage of available AfriNIC address space announced: 36.7
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4755 1591 382 134 Videsh Sanchar Nigam Ltd. Aut
9498 1179 550 61 BHARTI BT INTERNET LTD.
9583 1120 111 411 Sify Limited
17488 1120 78 76 Hathway IP Over Cable Interne
23577 831 33 738 Korea Telecom (ATM-MPLS)
4766 815 6005 344 Korea Telecom (KIX)
4134 812 12917 322 CHINANET-BACKBONE
18101 693 167 36 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 551 1919 424 Telstra Pty 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 2361 3138 188 bellsouth.net, inc.
4323 1467 1044 378 Time Warner Telecom
2386 1453 645 886 AT&T Data Communications Serv
3549 1448 540 209 Global Crossing
7018 1362 9896 970 AT&T WorldNet Services
11492 1229 149 13 Cable One
1803 1202 7 949 SPRINT
1785 1072 510 105 AppliedTheory Corporation
18566 1044 296 10 Covad Communications
20115 1041 1063 565 Charter 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
3292 416 1773 372 TDC Tele Danmark
8452 347 188 7 TEDATA
3301 338 1460 308 TeliaNet Sweden
8866 318 77 21 Bulgarian Telecommunication C
3320 316 7045 265 Deutsche Telekom AG
5462 298 666 27 Telewest Broadband
3215 285 2742 89 France Telecom Transpac
8551 283 269 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
9155 270 45 11 QualityNet AS number
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 1645 229 66 Telecom Argentina Stet-France
8151 1239 2464 225 UniNet S.A. de C.V.
11830 603 299 9 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
16814 426 27 10 NSS, S.A.
6471 413 85 46 ENTEL CHILE S.A.
11172 412 118 69 Servicios Alestra S.A de C.V
10620 393 100 72 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
16735 368 92 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
24863 475 61 30 LINKdotNET AS number
3741 282 853 223 The Internet Solution
20858 220 34 3 EgyNet
2018 192 189 82 Tertiary Education Network
5713 163 558 99 Telkom SA Ltd
6713 144 135 11 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 103 13 8 Ci Telecom Autonomous system
33776 100 6 3 Starcomms Nigeria Limited
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 2361 3138 188 bellsouth.net, inc.
7303 1645 229 66 Telecom Argentina Stet-France
4755 1591 382 134 Videsh Sanchar Nigam Ltd. Aut
4323 1467 1044 378 Time Warner Telecom
2386 1453 645 886 AT&T Data Communications Serv
3549 1448 540 209 Global Crossing
7018 1362 9896 970 AT&T WorldNet Services
8151 1239 2464 225 UniNet S.A. de C.V.
11492 1229 149 13 Cable One
1803 1202 7 949 SPRINT
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7303 1645 1579 Telecom Argentina Stet-France
4755 1591 1457 Videsh Sanchar Nigam Ltd. Aut
3549 1448 1239 Global Crossing
11492 1229 1216 Cable One
9498 1179 1118 BHARTI BT INTERNET LTD.
4323 1467 1089 Time Warner Telecom
17488 1120 1044 Hathway IP Over Cable Interne
18566 1044 1034 Covad Communications
8151 1239 1014 UniNet S.A. de C.V.
1785 1072 967 AppliedTheory Corporation
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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 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
10.29.246.47/32 286 KPNQwest Backbone AS
10.29.246.48/32 286 KPNQwest Backbone AS
10.29.246.49/32 286 KPNQwest Backbone AS
10.29.248.65/32 286 KPNQwest Backbone AS
10.29.248.71/32 286 KPNQwest Backbone AS
172.30.254.0/24 4771 Netgate
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 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 /9:9 /10:16 /11:43 /12:143
/13:284 /14:519 /15:1035 /16:10004 /17:4382 /18:7362
/19:15588 /20:18123 /21:17771 /22:22850 /23:23510 /24:138552
/25:878 /26:1112 /27:368 /28:712 /29:354 /30:210
/31:0 /32:222
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 1457 2361 bellsouth.net, inc.
11492 1210 1229 Cable One
1803 1180 1202 SPRINT
2386 1151 1453 AT&T Data Communications Serv
7303 1149 1645 Telecom Argentina Stet-France
3549 1066 1448 Global Crossing
18566 1025 1044 Covad Communications
9583 972 1120 Sify Limited
4755 961 1591 Videsh Sanchar Nigam Ltd. Aut
6298 946 961 Cox Communicatons
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:116 12:2073 13:1 14:1 15:22
16:3 17:5 18:13 20:37 24:1075 25:1
32:199 33:3 38:444 40:93 41:638 43:1
44:2 47:12 52:3 55:4 56:3 57:46
58:459 59:470 60:443 61:1005 62:1137 63:1964
64:3585 65:2420 66:3782 67:1231 68:696 69:2275
70:683 71:126 72:1817 73:5 74:1007 75:221
76:315 77:730 78:711 79:196 80:914 81:851
82:577 83:401 84:575 85:1017 86:424 87:700
88:315 89:1270 90:12 91:1271 92:186 93:722
94:16 96:35 97:23 98:200 99:3 100:1
111:1 112:1 113:1 114:36 116:696 117:339
118:144 119:463 120:62 121:539 122:786 123:350
124:849 125:1143 128:331 129:208 130:130 131:403
132:67 133:9 134:177 135:33 136:218 137:86
138:151 139:85 140:497 141:99 142:403 143:339
144:356 145:51 146:375 147:154 148:505 149:195
150:127 151:193 152:145 153:143 154:11 155:273
156:174 157:277 158:168 159:239 160:266 161:115
162:232 163:184 164:530 165:458 166:327 167:329
168:619 169:138 170:448 171:29 172:11 189:217
190:2286 192:5812 193:4180 194:3246 195:2544 196:1076
198:3756 199:3281 200:5934 201:1611 202:7693 203:7925
204:3992 205:2139 206:2500 207:2819 208:3539 209:3541
210:2532 211:1018 212:1413 213:1679 214:160 215:49
216:4462 217:1205 218:352 219:406 220:1089 221:471
222:312
End of report