Routing Table Report 00:00 GMT Mon 16 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: 264156
Prefixes after maximum aggregation: 129547
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 126946
Total ASes present in the Internet Routing Table: 28523
Prefixes per ASN: 9.26
Origin-only ASes present in the Internet Routing Table: 24738
Origin ASes announcing only one prefix: 12005
Transit ASes present in the Internet Routing Table: 3785
Transit-only ASes present in the Internet Routing Table: 87
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 28
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 639
Unregistered ASNs in the Routing Table: 239
Number of 32-bit ASNs allocated by the RIRs: 47
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: 792
Number of addresses announced to Internet: 1878066164
Equivalent to 111 /8s, 241 /16s and 3 /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: 129531
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59122
Total APNIC prefixes after maximum aggregation: 22144
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 56234
Unique aggregates announced from the APNIC address blocks: 25058
APNIC Region origin ASes present in the Internet Routing Table: 3281
APNIC Prefixes per ASN: 17.14
APNIC Region origin ASes announcing only one prefix: 882
APNIC Region transit ASes present in the Internet Routing Table: 525
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 27
Number of APNIC addresses announced to Internet: 352292256
Equivalent to 20 /8s, 255 /16s and 141 /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: 121778
Total ARIN prefixes after maximum aggregation: 66430
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 90716
Unique aggregates announced from the ARIN address blocks: 34813
ARIN Region origin ASes present in the Internet Routing Table: 12248
ARIN Prefixes per ASN: 7.41
ARIN Region origin ASes announcing only one prefix: 4749
ARIN Region transit ASes present in the Internet Routing Table: 1206
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 358405889
Equivalent to 21 /8s, 92 /16s and 215 /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: 56722
Total RIPE prefixes after maximum aggregation: 34120
RIPE Deaggregation factor: 1.66
Prefixes being announced from the RIPE address blocks: 52165
Unique aggregates announced from the RIPE address blocks: 34360
RIPE Region origin ASes present in the Internet Routing Table: 11486
RIPE Prefixes per ASN: 4.54
RIPE Region origin ASes announcing only one prefix: 5997
RIPE Region transit ASes present in the Internet Routing Table: 1768
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 361141952
Equivalent to 21 /8s, 134 /16s and 150 /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: 21980
Total LACNIC prefixes after maximum aggregation: 5131
LACNIC Deaggregation factor: 4.28
Prefixes being announced from the LACNIC address blocks: 20212
Unique aggregates announced from the LACNIC address blocks: 10372
LACNIC Region origin ASes present in the Internet Routing Table: 953
LACNIC Prefixes per ASN: 21.21
LACNIC Region origin ASes announcing only one prefix: 300
LACNIC Region transit ASes present in the Internet Routing Table: 160
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 52376460
Equivalent to 3 /8s, 31 /16s and 51 /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: 3922
Total AfriNIC prefixes after maximum aggregation: 1205
AfriNIC Deaggregation factor: 3.25
Prefixes being announced from the AfriNIC address blocks: 4195
Unique aggregates announced from the AfriNIC address blocks: 1868
AfriNIC Region origin ASes present in the Internet Routing Table: 245
AfriNIC Prefixes per ASN: 17.12
AfriNIC Region origin ASes announcing only one prefix: 77
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 12346624
Equivalent to 0 /8s, 188 /16s and 101 /24s
Percentage of available AfriNIC address space announced: 36.8
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 1180 550 61 BHARTI BT INTERNET LTD.
9583 1124 111 411 Sify Limited
17488 1120 78 76 Hathway IP Over Cable Interne
23577 832 33 739 Korea Telecom (ATM-MPLS)
4766 815 6005 344 Korea Telecom (KIX)
4134 812 12917 322 CHINANET-BACKBONE
18101 695 167 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 2358 3138 188 bellsouth.net, inc.
2386 1494 645 886 AT&T Data Communications Serv
4323 1468 1043 377 Time Warner Telecom
3549 1451 540 209 Global Crossing
7018 1366 9897 971 AT&T WorldNet Services
11492 1230 149 13 Cable One
1803 1203 7 949 SPRINT
1785 1071 510 104 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 335 1460 305 TeliaNet Sweden
8866 319 77 21 Bulgarian Telecommunication C
3320 316 7045 265 Deutsche Telekom AG
5462 297 666 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 271 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 1646 229 67 Telecom Argentina Stet-France
8151 1240 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 414 85 47 ENTEL CHILE S.A.
11172 412 118 69 Servicios Alestra S.A de C.V
10620 394 101 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 226 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 135 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 102 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 2358 3138 188 bellsouth.net, inc.
7303 1646 229 67 Telecom Argentina Stet-France
4755 1591 382 134 Videsh Sanchar Nigam Ltd. Aut
2386 1494 645 886 AT&T Data Communications Serv
4323 1468 1043 377 Time Warner Telecom
3549 1451 540 209 Global Crossing
7018 1366 9897 971 AT&T WorldNet Services
8151 1240 2464 225 UniNet S.A. de C.V.
11492 1230 149 13 Cable One
1803 1203 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 1646 1579 Telecom Argentina Stet-France
4755 1591 1457 Videsh Sanchar Nigam Ltd. Aut
3549 1451 1242 Global Crossing
11492 1230 1217 Cable One
9498 1180 1119 BHARTI BT INTERNET LTD.
4323 1468 1091 Time Warner Telecom
17488 1120 1044 Hathway IP Over Cable Interne
18566 1044 1034 Covad Communications
8151 1240 1015 UniNet S.A. de C.V.
1785 1071 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 /16:10007 /17:4384 /18:7362
/19:15589 /20:18122 /21:17777 /22:22842 /23:23529 /24:138634
/25:871 /26:1110 /27:366 /28:710 /29:353 /30:210
/31:0 /32:222
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 1454 2358 bellsouth.net, inc.
11492 1211 1230 Cable One
2386 1190 1494 AT&T Data Communications Serv
1803 1181 1203 SPRINT
7303 1150 1646 Telecom Argentina Stet-France
3549 1069 1451 Global Crossing
18566 1025 1044 Covad Communications
9583 973 1124 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 8:117 12:2077 13:1 14:1 15:22
16:3 17:5 18:13 20:37 24:1076 25:1
32:199 33:3 38:446 40:93 41:640 43:1
44:2 47:12 52:3 55:4 56:3 57:46
58:459 59:470 60:444 61:1003 62:1143 63:1963
64:3586 65:2419 66:3786 67:1232 68:696 69:2275
70:683 71:126 72:1817 73:5 74:1011 75:221
76:315 77:729 78:715 79:191 80:916 81:845
82:586 83:401 84:576 85:1016 86:424 87:694
88:315 89:1271 90:12 91:1270 92:186 93:730
94:16 96:35 97:23 98:200 99:3 100:1
111:1 112:1 113:1 114:36 116:697 117:339
118:144 119:464 120:62 121:539 122:787 123:351
124:851 125:1142 128:362 129:209 130:130 131:403
132:66 133:9 134:177 135:33 136:218 137:87
138:151 139:85 140:498 141:99 142:403 143:335
144:356 145:51 146:375 147:154 148:506 149:195
150:130 151:193 152:145 153:143 154:11 155:273
156:174 157:277 158:168 159:240 160:266 161:115
162:232 163:184 164:530 165:458 166:335 167:329
168:620 169:138 170:448 171:29 172:11 189:216
190:2286 192:5808 193:4182 194:3244 195:2541 196:1082
198:3754 199:3283 200:5930 201:1606 202:7691 203:7931
204:3997 205:2134 206:2501 207:2820 208:3540 209:3543
210:2538 211:1018 212:1409 213:1680 214:165 215:49
216:4464 217:1204 218:352 219:406 220:1088 221:472
222:311
End of report