Routing Table Report 00:00 GMT Mon 10 Nov, 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: 278856
Prefixes after maximum aggregation: 132990
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 133258
Total ASes present in the Internet Routing Table: 29797
Prefixes per ASN: 9.36
Origin-only ASes present in the Internet Routing Table: 25812
Origin ASes announcing only one prefix: 12602
Transit ASes present in the Internet Routing Table: 3985
Transit-only ASes present in the Internet Routing Table: 91
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 26
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 570
Unregistered ASNs in the Routing Table: 209
Number of 32-bit ASNs allocated by the RIRs: 62
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 196
Number of addresses announced to Internet: 1922112124
Equivalent to 114 /8s, 145 /16s and 26 /24s
Percentage of available address space announced: 51.9
Percentage of allocated address space announced: 62.6
Percentage of available address space allocated: 82.8
Percentage of address space in use by end-sites: 74.2
Total number of prefixes smaller than registry allocations: 138036
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 65695
Total APNIC prefixes after maximum aggregation: 23304
APNIC Deaggregation factor: 2.82
Prefixes being announced from the APNIC address blocks: 62638
Unique aggregates announced from the APNIC address blocks: 26629
APNIC Region origin ASes present in the Internet Routing Table: 3452
APNIC Prefixes per ASN: 18.15
APNIC Region origin ASes announcing only one prefix: 936
APNIC Region transit ASes present in the Internet Routing Table: 534
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 380847904
Equivalent to 22 /8s, 179 /16s and 71 /24s
Percentage of available APNIC address space announced: 81.1
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, 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: 124004
Total ARIN prefixes after maximum aggregation: 66296
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 92539
Unique aggregates announced from the ARIN address blocks: 35675
ARIN Region origin ASes present in the Internet Routing Table: 12593
ARIN Prefixes per ASN: 7.35
ARIN Region origin ASes announcing only one prefix: 4846
ARIN Region transit ASes present in the Internet Routing Table: 1261
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 369625857
Equivalent to 22 /8s, 8 /16s and 11 /24s
Percentage of available ARIN address space announced: 76.0
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
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: 60451
Total RIPE prefixes after maximum aggregation: 36049
RIPE Deaggregation factor: 1.68
Prefixes being announced from the RIPE address blocks: 56618
Unique aggregates announced from the RIPE address blocks: 37092
RIPE Region origin ASes present in the Internet Routing Table: 12177
RIPE Prefixes per ASN: 4.65
RIPE Region origin ASes announcing only one prefix: 6405
RIPE Region transit ASes present in the Internet Routing Table: 1910
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 377910471
Equivalent to 22 /8s, 134 /16s and 116 /24s
Percentage of available RIPE address space announced: 86.6
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, 47104-49151
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: 24000
Total LACNIC prefixes after maximum aggregation: 5589
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 22003
Unique aggregates announced from the LACNIC address blocks: 11345
LACNIC Region origin ASes present in the Internet Routing Table: 1033
LACNIC Prefixes per ASN: 21.30
LACNIC Region origin ASes announcing only one prefix: 334
LACNIC Region transit ASes present in the Internet Routing Table: 168
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 58008846
Equivalent to 3 /8s, 117 /16s and 37 /24s
Percentage of available LACNIC address space announced: 57.6
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: 4143
Total AfriNIC prefixes after maximum aggregation: 1322
AfriNIC Deaggregation factor: 3.13
Prefixes being announced from the AfriNIC address blocks: 4391
Unique aggregates announced from the AfriNIC address blocks: 2168
AfriNIC Region origin ASes present in the Internet Routing Table: 265
AfriNIC Prefixes per ASN: 16.57
AfriNIC Region origin ASes announcing only one prefix: 81
AfriNIC Region transit ASes present in the Internet Routing Table: 52
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 26
Number of AfriNIC addresses announced to Internet: 12914560
Equivalent to 0 /8s, 197 /16s and 15 /24s
Percentage of available AfriNIC address space announced: 25.7
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4538 3353 3245 44 China Education and Research
17488 1409 99 102 Hathway IP Over Cable Interne
4755 1304 572 108 Videsh Sanchar Nigam Ltd. Aut
9583 1115 87 476 Sify Limited
4134 890 13776 360 CHINANET-BACKBONE
4766 855 6408 366 Korea Telecom (KIX)
18101 784 161 68 Reliance Infocom Ltd Internet
23577 776 34 694 Korea Telecom (ATM-MPLS)
4780 732 357 63 Digital United Inc.
9498 690 295 51 BHARTI BT INTERNET 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 4351 3385 336 bellsouth.net, inc.
6298 2084 327 691 Cox Communicatons
1785 1695 717 154 AppliedTheory Corporation
20115 1660 1452 725 Charter Communications
6478 1653 364 191 AT&T Worldnet Services
2386 1587 686 908 AT&T Data Communications Serv
4323 1575 1082 376 Time Warner Telecom
1803 1393 9 1094 SPRINT
7018 1388 5843 953 AT&T WorldNet Services
11492 1210 149 16 Cable One
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 427 1763 374 TDC Tele Danmark
30890 348 94 188 SC Kappa Invexim SRL
8866 347 111 23 Bulgarian Telecommunication C
3301 332 1429 303 TeliaNet Sweden
3215 331 2788 99 France Telecom Transpac
3320 326 7063 274 Deutsche Telekom AG
5462 324 794 27 Telewest Broadband
8452 295 188 11 TEDATA
25233 289 44 24 Awalnet
8551 286 270 37 Bezeq International
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 1738 243 69 Telecom Argentina Stet-France
8151 1396 2848 220 UniNet S.A. de C.V.
11830 669 299 18 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
10620 548 126 60 TVCABLE BOGOTA
16735 426 92 10 Companhia de Telecomunicacoes
16814 426 27 10 NSS, S.A.
6471 421 86 50 ENTEL CHILE S.A.
11172 406 118 72 Servicios Alestra S.A de C.V
7738 373 730 27 Telecomunicacoes da Bahia 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 562 73 45 LINKdotNET AS number
3741 269 856 226 The Internet Solution
20858 260 34 3 EgyNet
2018 239 215 139 Tertiary Education Network
6713 144 135 11 Itissalat Al-MAGHRIB
33783 141 10 15 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 114 555 63 Telkom SA Ltd
29571 114 13 9 Ci Telecom Autonomous system
33776 109 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 4351 3385 336 bellsouth.net, inc.
4538 3353 3245 44 China Education and Research
6298 2084 327 691 Cox Communicatons
7303 1738 243 69 Telecom Argentina Stet-France
1785 1695 717 154 AppliedTheory Corporation
20115 1660 1452 725 Charter Communications
6478 1653 364 191 AT&T Worldnet Services
2386 1587 686 908 AT&T Data Communications Serv
4323 1575 1082 376 Time Warner Telecom
17488 1409 99 102 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 3353 3309 China Education and Research
7303 1738 1669 Telecom Argentina Stet-France
1785 1695 1541 AppliedTheory Corporation
6478 1653 1462 AT&T Worldnet Services
6298 2084 1393 Cox Communicatons
17488 1409 1307 Hathway IP Over Cable Interne
4323 1575 1199 Time Warner Telecom
4755 1304 1196 Videsh Sanchar Nigam Ltd. Aut
11492 1210 1194 Cable One
8151 1396 1176 UniNet S.A. de C.V.
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 1239 Sprint
26973 UNALLOCATED 12.39.154.0/23 1239 Sprint
26973 UNALLOCATED 12.39.159.0/24 1239 Sprint
32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing
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
10.29.246.47/32 286 KPNQwest Backbone AS
10.29.246.48/32 286 KPNQwest Backbone AS
10.29.248.65/32 286 KPNQwest Backbone AS
10.29.248.71/32 286 KPNQwest Backbone AS
192.168.192.0/21 7497 Computer Network Information
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
24.75.160.0/19 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
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 /8:18 /9:9 /10:18 /11:47 /12:153
/13:306 /14:545 /15:1082 /16:10232 /17:4479 /18:7702
/19:16479 /20:19720 /21:19129 /22:24698 /23:25466 /24:145348
/25:646 /26:740 /27:385 /28:805 /29:403 /30:198
/31:0 /32:248
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2849 4351 bellsouth.net, inc.
6298 2058 2084 Cox Communicatons
4538 1798 3353 China Education and Research
1803 1370 1393 SPRINT
7303 1270 1738 Telecom Argentina Stet-France
2386 1269 1587 AT&T Data Communications Serv
17488 1198 1409 Hathway IP Over Cable Interne
11492 1187 1210 Cable One
1785 1157 1695 AppliedTheory Corporation
6478 1105 1653 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:158 12:2193 13:2 15:21 16:3
17:5 20:36 24:1102 32:135 38:518 40:92
41:751 43:1 44:2 47:13 52:3 55:3
56:3 57:47 58:551 59:595 60:452 61:1060
62:1183 63:1932 64:3295 65:2414 66:3544 67:1308
68:812 69:2336 70:880 71:138 72:2085 73:7
74:1276 75:168 76:291 77:884 78:522 79:287
80:931 81:846 82:635 83:408 84:594 85:1040
86:509 87:717 88:349 89:1353 90:25 91:1668
92:291 93:977 94:339 95:3 96:85 97:129
98:386 99:15 113:40 114:126 115:145 116:1055
117:409 118:248 119:517 120:102 121:637 122:867
123:459 124:866 125:1274 128:353 129:217 130:136
131:408 132:72 133:9 134:186 135:31 136:224
137:102 138:145 139:90 140:426 141:111 142:391
143:304 144:301 145:52 146:372 147:140 148:603
149:299 150:130 151:208 152:150 153:143 154:10
155:275 156:174 157:303 158:168 159:299 160:273
161:140 162:247 163:136 164:517 165:510 166:363
167:341 168:631 169:155 170:482 171:40 172:10
173:131 174:1 187:18 188:1 189:357 190:2629
192:5841 193:4271 194:3388 195:2701 196:1021 198:3718
199:3313 200:5900 201:1626 202:8168 203:8043 204:3914
205:2184 206:2312 207:2733 208:3730 209:3417 210:3009
211:1293 212:1542 213:1673 214:69 215:25 216:4385
217:1257 218:414 219:512 220:1064 221:420 222:426
End of report