Routing Table Report 04:00 +10GMT Tue 02 Sep, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 267383
Prefixes after maximum aggregation: 129621
Deaggregation factor: 2.06
Unique aggregates announced to Internet: 130221
Total ASes present in the Internet Routing Table: 29090
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25319
Origin ASes announcing only one prefix: 12270
Transit ASes present in the Internet Routing Table: 3771
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 591
Unregistered ASNs in the Routing Table: 210
Number of 32-bit ASNs allocated by the RIRs: 59
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 755
Number of addresses announced to Internet: 1895318560
Equivalent to 112 /8s, 248 /16s and 68 /24s
Percentage of available address space announced: 51.1
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.3
Total number of prefixes smaller than registry allocations: 131265
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61412
Total APNIC prefixes after maximum aggregation: 22754
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 58352
Unique aggregates announced from the APNIC address blocks: 26222
APNIC Region origin ASes present in the Internet Routing Table: 3349
APNIC Prefixes per ASN: 17.42
APNIC Region origin ASes announcing only one prefix: 891
APNIC Region transit ASes present in the Internet Routing Table: 514
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 374437920
Equivalent to 22 /8s, 81 /16s and 120 /24s
Percentage of available APNIC address space announced: 79.7
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: 122461
Total ARIN prefixes after maximum aggregation: 64845
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91471
Unique aggregates announced from the ARIN address blocks: 35008
ARIN Region origin ASes present in the Internet Routing Table: 12414
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4779
ARIN Region transit ASes present in the Internet Routing Table: 1184
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 360769376
Equivalent to 21 /8s, 128 /16s and 231 /24s
Percentage of available ARIN address space announced: 74.2
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: 57575
Total RIPE prefixes after maximum aggregation: 34993
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52692
Unique aggregates announced from the RIPE address blocks: 35558
RIPE Region origin ASes present in the Internet Routing Table: 11797
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6190
RIPE Region transit ASes present in the Internet Routing Table: 1803
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 370268864
Equivalent to 22 /8s, 17 /16s and 218 /24s
Percentage of available RIPE address space announced: 84.9
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: 21289
Total LACNIC prefixes after maximum aggregation: 5310
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 19524
Unique aggregates announced from the LACNIC address blocks: 10825
LACNIC Region origin ASes present in the Internet Routing Table: 991
LACNIC Prefixes per ASN: 19.70
LACNIC Region origin ASes announcing only one prefix: 326
LACNIC Region transit ASes present in the Internet Routing Table: 167
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 54880512
Equivalent to 3 /8s, 69 /16s and 105 /24s
Percentage of available LACNIC address space announced: 54.5
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: 4054
Total AfriNIC prefixes after maximum aggregation: 1248
AfriNIC Deaggregation factor: 3.25
Prefixes being announced from the AfriNIC address blocks: 4405
Unique aggregates announced from the AfriNIC address blocks: 1939
AfriNIC Region origin ASes present in the Internet Routing Table: 251
AfriNIC Prefixes per ASN: 17.55
AfriNIC Region origin ASes announcing only one prefix: 84
AfriNIC Region transit ASes present in the Internet Routing Table: 56
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 12647168
Equivalent to 0 /8s, 192 /16s and 251 /24s
Percentage of available AfriNIC address space announced: 37.7
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 1711 538 180 Videsh Sanchar Nigam Ltd. Aut
17488 1366 90 103 Hathway IP Over Cable Interne
9583 1113 89 493 Sify Limited
4766 871 6407 357 Korea Telecom (KIX)
4134 838 13619 341 CHINANET-BACKBONE
23577 821 35 696 Korea Telecom (ATM-MPLS)
4780 714 353 61 Digital United Inc.
18101 692 167 29 Reliance Infocom Ltd Internet
9498 675 291 53 BHARTI BT INTERNET LTD.
4808 629 1156 138 CNCGROUP IP network: China169
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4296 3416 341 bellsouth.net, inc.
209 2898 3873 618 Qwest
6298 2013 323 717 Cox Communicatons
1785 1648 710 154 AppliedTheory Corporation
2386 1557 691 900 AT&T Data Communications Serv
4323 1499 1073 374 Time Warner Telecom
20115 1469 1189 676 Charter Communications
7018 1408 5785 980 AT&T WorldNet Services
11492 1211 151 22 Cable One
6478 1134 239 187 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 414 1776 372 TDC Tele Danmark
3215 396 2756 106 France Telecom Transpac
8452 359 188 11 TEDATA
3301 334 1444 305 TeliaNet Sweden
3320 324 7047 272 Deutsche Telekom AG
8866 317 77 21 Bulgarian Telecommunication C
8551 287 270 38 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
8708 267 422 252 Romania Data Systems S.A.
6746 261 125 237 Dynamic Network Technologies,
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1591 2608 225 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 480 236 64 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 421 85 48 ENTEL CHILE S.A.
10620 417 102 66 TVCABLE BOGOTA
11172 409 118 73 Servicios Alestra S.A de C.V
14117 345 23 9 Telefonica del Sur S.A.
28573 336 440 29 NET Servicos de Comunicao S.A
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 519 65 36 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 266 855 223 The Internet Solution
2018 231 214 136 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 136 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 117 539 69 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4296 3416 341 bellsouth.net, inc.
209 2898 3873 618 Qwest
6298 2013 323 717 Cox Communicatons
4755 1711 538 180 Videsh Sanchar Nigam Ltd. Aut
1785 1648 710 154 AppliedTheory Corporation
8151 1591 2608 225 UniNet S.A. de C.V.
2386 1557 691 900 AT&T Data Communications Serv
4323 1499 1073 374 Time Warner Telecom
20115 1469 1189 676 Charter Communications
7018 1408 5785 980 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2898 2280 Qwest
4755 1711 1531 Videsh Sanchar Nigam Ltd. Aut
1785 1648 1494 AppliedTheory Corporation
8151 1591 1366 UniNet S.A. de C.V.
6298 2013 1296 Cox Communicatons
17488 1366 1263 Hathway IP Over Cable Interne
11492 1211 1189 Cable One
4323 1499 1125 Time Warner Telecom
18566 1046 1036 Covad Communications
6478 1134 947 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/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
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.71.0/24 701 UUNET Technologies, Inc.
63.143.115.0/24 701 UUNET Technologies, Inc.
63.143.251.0/24 22555 Universal Talkware Corporatio
Complete listing at http://thyme.apnic.net/current/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 /10:17 /11:45 /12:146
/13:292 /14:527 /15:1061 /16:10054 /17:4378 /18:7615
/19:16077 /20:18750 /21:18414 /22:23178 /23:24261 /24:139851
/25:840 /26:1017 /27:731 /28:85 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2855 4296 bellsouth.net, inc.
6298 1986 2013 Cox Communicatons
209 1666 2898 Qwest
2386 1235 1557 AT&T Data Communications Serv
11492 1192 1211 Cable One
17488 1174 1366 Hathway IP Over Cable Interne
1785 1119 1648 AppliedTheory Corporation
4755 1048 1711 Videsh Sanchar Nigam Ltd. Aut
6478 1027 1134 AT&T Worldnet Services
18566 1027 1046 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:135 12:2139 13:2 15:22 16:3
17:5 18:13 20:35 24:1082 32:59 38:490
40:92 41:716 43:1 44:2 47:12 52:3
55:3 56:3 57:26 58:526 59:511 60:452
61:959 62:1209 63:2049 64:3234 65:2367 66:3455
67:1226 68:780 69:2295 70:872 71:131 72:2022
73:6 74:1125 75:170 76:314 77:770 78:759
79:244 80:964 81:868 82:574 83:374 84:576
85:979 86:400 87:718 88:339 89:1324 90:37
91:1404 92:255 93:813 94:116 96:63 97:65
98:320 99:6 114:91 115:32 116:1009 117:329
118:207 119:480 120:82 121:585 122:826 123:400
124:837 125:1181 128:354 129:202 130:134 131:413
132:70 133:9 134:188 135:34 136:222 137:93
138:141 139:93 140:507 141:103 142:407 143:314
144:410 145:51 146:372 147:157 148:514 149:204
150:128 151:180 152:143 153:136 154:10 155:280
156:174 157:296 158:163 159:299 160:274 161:136
162:256 163:158 164:516 165:495 166:365 167:444
168:627 169:144 170:427 171:33 172:10 173:33
188:1 189:554 190:2123 192:5788 193:4147 194:3246
195:2571 196:1027 198:3722 199:3302 200:5583 201:1526
202:7663 203:8084 204:3939 205:2156 206:2351 207:2743
208:3513 209:3425 210:2602 211:1088 212:1412 213:1605
214:183 215:50 216:4365 217:1205 218:347 219:433
220:1056 221:426 222:315
End of report