Routing Table Report 00:00 GMT Tue 09 Dec, 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: 281050
Prefixes after maximum aggregation: 133315
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 133990
Total ASes present in the Internet Routing Table: 30073
Prefixes per ASN: 9.35
Origin-only ASes present in the Internet Routing Table: 26093
Origin ASes announcing only one prefix: 12716
Transit ASes present in the Internet Routing Table: 3980
Transit-only ASes present in the Internet Routing Table: 96
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 23
Max AS path prepend of ASN (17565) 18
Prefixes from unregistered ASNs in the Routing Table: 537
Unregistered ASNs in the Routing Table: 200
Number of 32-bit ASNs allocated by the RIRs: 68
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 197
Number of addresses announced to Internet: 1968447644
Equivalent to 117 /8s, 84 /16s and 32 /24s
Percentage of available address space announced: 53.1
Percentage of allocated address space announced: 63.4
Percentage of available address space allocated: 83.7
Percentage of address space in use by end-sites: 74.6
Total number of prefixes smaller than registry allocations: 139195
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 66895
Total APNIC prefixes after maximum aggregation: 23469
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 63881
Unique aggregates announced from the APNIC address blocks: 26961
APNIC Region origin ASes present in the Internet Routing Table: 3484
APNIC Prefixes per ASN: 18.34
APNIC Region origin ASes announcing only one prefix: 942
APNIC Region transit ASes present in the Internet Routing Table: 544
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 390022176
Equivalent to 23 /8s, 63 /16s and 68 /24s
Percentage of available APNIC address space announced: 77.5
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,
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: 123118
Total ARIN prefixes after maximum aggregation: 65946
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91466
Unique aggregates announced from the ARIN address blocks: 35109
ARIN Region origin ASes present in the Internet Routing Table: 12670
ARIN Prefixes per ASN: 7.22
ARIN Region origin ASes announcing only one prefix: 4880
ARIN Region transit ASes present in the Internet Routing Table: 1252
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 402541057
Equivalent to 23 /8s, 254 /16s and 74 /24s
Percentage of available ARIN address space announced: 82.7
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: 61713
Total RIPE prefixes after maximum aggregation: 36541
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 57695
Unique aggregates announced from the RIPE address blocks: 37659
RIPE Region origin ASes present in the Internet Routing Table: 12330
RIPE Prefixes per ASN: 4.68
RIPE Region origin ASes announcing only one prefix: 6485
RIPE Region transit ASes present in the Internet Routing Table: 1893
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 381175783
Equivalent to 22 /8s, 184 /16s and 71 /24s
Percentage of available RIPE address space announced: 87.4
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, 47104-49151
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: 24537
Total LACNIC prefixes after maximum aggregation: 5580
LACNIC Deaggregation factor: 4.40
Prefixes being announced from the LACNIC address blocks: 22592
Unique aggregates announced from the LACNIC address blocks: 11560
LACNIC Region origin ASes present in the Internet Routing Table: 1038
LACNIC Prefixes per ASN: 21.76
LACNIC Region origin ASes announcing only one prefix: 326
LACNIC Region transit ASes present in the Internet Routing Table: 168
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 58577934
Equivalent to 3 /8s, 125 /16s and 212 /24s
Percentage of available LACNIC address space announced: 58.2
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: 4268
Total AfriNIC prefixes after maximum aggregation: 1356
AfriNIC Deaggregation factor: 3.15
Prefixes being announced from the AfriNIC address blocks: 4558
Unique aggregates announced from the AfriNIC address blocks: 2178
AfriNIC Region origin ASes present in the Internet Routing Table: 273
AfriNIC Prefixes per ASN: 16.70
AfriNIC Region origin ASes announcing only one prefix: 83
AfriNIC Region transit ASes present in the Internet Routing Table: 60
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 13025152
Equivalent to 0 /8s, 198 /16s and 191 /24s
Percentage of available AfriNIC address space announced: 25.9
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 3401 3245 44 China Education and Research
17488 1443 101 105 Hathway IP Over Cable Interne
4766 1220 6409 366 Korea Telecom (KIX)
4755 1163 563 99 Videsh Sanchar Nigam Ltd. Aut
9583 1115 87 485 Sify Limited
4134 912 15509 355 CHINANET-BACKBONE
18101 782 168 31 Reliance Infocom Ltd Internet
23577 761 33 681 Korea Telecom (ATM-MPLS)
4780 732 357 63 Digital United Inc.
9498 699 327 53 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 4378 3434 345 bellsouth.net, inc.
20115 1847 1466 744 Charter Communications
1785 1705 717 155 AppliedTheory Corporation
6478 1602 367 286 AT&T Worldnet Services
4323 1600 1068 383 Time Warner Telecom
2386 1587 706 897 AT&T Data Communications Serv
7018 1421 9943 979 AT&T WorldNet Services
1803 1339 8 1071 SPRINT
11492 1223 192 12 Cable One
3356 1104 10991 427 Level 3 Communications, LLC
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 441 1766 384 TDC Tele Danmark
35228 406 144 5 Avatar Broadband Limited
30890 377 79 194 SC Kappa Invexim SRL
12479 372 578 6 Uni2 Autonomous System
3301 335 1413 304 TeliaNet Sweden
8866 331 109 22 Bulgarian Telecommunication C
29049 331 26 3 AzerSat LLC.
3320 329 7064 277 Deutsche Telekom AG
8452 323 188 11 TEDATA
3215 315 2792 96 France Telecom Transpac
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 1771 248 75 Telecom Argentina Stet-France
8151 1389 2800 216 UniNet S.A. de C.V.
11830 667 299 9 Instituto Costarricense de El
10620 606 133 46 TVCABLE BOGOTA
22047 553 270 14 VTR PUNTO NET S.A.
16814 426 27 10 NSS, S.A.
6471 425 88 50 ENTEL CHILE S.A.
11172 400 118 72 Servicios Alestra S.A de C.V
16735 380 92 9 Companhia de Telecomunicacoes
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 575 73 43 LINKdotNET AS number
3741 269 857 227 The Internet Solution
20858 264 34 3 EgyNet
2018 239 215 140 Tertiary Education Network
6713 144 135 11 Itissalat Al-MAGHRIB
33783 143 10 17 EEPAD TISP TELECOM & INTERNET
29571 121 15 8 Ci Telecom Autonomous system
5536 120 8 17 Internet Egypt Network
5713 118 539 67 Telkom SA Ltd
33776 116 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 4378 3434 345 bellsouth.net, inc.
4538 3401 3245 44 China Education and Research
20115 1847 1466 744 Charter Communications
7303 1771 248 75 Telecom Argentina Stet-France
1785 1705 717 155 AppliedTheory Corporation
6478 1602 367 286 AT&T Worldnet Services
4323 1600 1068 383 Time Warner Telecom
2386 1587 706 897 AT&T Data Communications Serv
17488 1443 101 105 Hathway IP Over Cable Interne
7018 1421 9943 979 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 3401 3357 China Education and Research
7303 1771 1696 Telecom Argentina Stet-France
1785 1705 1550 AppliedTheory Corporation
17488 1443 1338 Hathway IP Over Cable Interne
6478 1602 1316 AT&T Worldnet Services
4323 1600 1217 Time Warner Telecom
11492 1223 1211 Cable One
8151 1389 1173 UniNet S.A. de C.V.
20115 1847 1103 Charter Communications
4755 1163 1064 Videsh Sanchar Nigam Ltd. Aut
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 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 /8:19 /9:9 /10:19 /11:56 /12:161
/13:315 /14:559 /15:1086 /16:10279 /17:4526 /18:7783
/19:16584 /20:19826 /21:19132 /22:24997 /23:25276 /24:146949
/25:656 /26:749 /27:386 /28:810 /29:413 /30:193
/31:0 /32:267
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2861 4378 bellsouth.net, inc.
4538 1812 3401 China Education and Research
1803 1317 1339 SPRINT
7303 1305 1771 Telecom Argentina Stet-France
2386 1267 1587 AT&T Data Communications Serv
17488 1232 1443 Hathway IP Over Cable Interne
11492 1198 1223 Cable One
1785 1164 1705 AppliedTheory Corporation
6478 1126 1602 AT&T Worldnet Services
18566 1040 1059 Covad Communications
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:164 12:2235 13:2 15:21 16:3
17:5 20:36 24:1121 32:139 38:526 40:92
41:817 43:1 44:2 47:13 52:3 55:3
56:3 57:47 58:548 59:651 60:456 61:1082
62:1182 63:1941 64:3397 65:2434 66:3641 67:1415
68:657 69:2372 70:525 71:172 72:1619 73:7
74:1322 75:183 76:306 77:894 78:520 79:295
80:939 81:868 82:604 83:403 84:587 85:1052
86:504 87:668 88:358 89:1411 90:44 91:1759
92:324 93:1101 94:785 95:50 96:91 97:141
98:166 99:10 100:1 110:1 111:1 113:58
114:151 115:167 116:1103 117:422 118:274 119:555
120:103 121:731 122:897 123:447 124:862 125:1320
128:359 129:219 130:136 131:400 132:72 133:9
134:191 135:31 136:225 137:123 138:144 139:93
140:426 141:112 142:375 143:321 144:315 145:53
146:370 147:142 148:604 149:291 150:144 151:210
152:145 153:138 154:10 155:251 156:165 157:305
158:165 159:297 160:273 161:131 162:253 163:137
164:514 165:506 166:362 167:354 168:659 169:160
170:485 171:40 172:10 173:124 174:10 187:17
188:1 189:387 190:2759 192:5862 193:4245 194:3397
195:2716 196:1044 198:3714 199:3320 200:5872 201:1638
202:8343 203:8038 204:3928 205:2172 206:2306 207:2751
208:3781 209:3465 210:3122 211:1337 212:1560 213:1692
214:69 215:22 216:4481 217:1249 218:423 219:496
220:1193 221:454 222:413
End of report