Routing Table Report 04:00 +10GMT Fri 07 Nov, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 272955
Prefixes after maximum aggregation: 131662
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 133465
Total ASes present in the Internet Routing Table: 29719
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25870
Origin ASes announcing only one prefix: 12604
Transit ASes present in the Internet Routing Table: 3849
Transit-only ASes present in the Internet Routing Table: 85
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 572
Unregistered ASNs in the Routing Table: 201
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: 0
Prefixes being announced from unallocated address space: 203
Number of addresses announced to Internet: 1921436736
Equivalent to 114 /8s, 134 /16s and 204 /24s
Percentage of available address space announced: 51.8
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: 134075
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62540
Total APNIC prefixes after maximum aggregation: 23389
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 59450
Unique aggregates announced from the APNIC address blocks: 26943
APNIC Region origin ASes present in the Internet Routing Table: 3451
APNIC Prefixes per ASN: 17.23
APNIC Region origin ASes announcing only one prefix: 933
APNIC Region transit ASes present in the Internet Routing Table: 537
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 380606624
Equivalent to 22 /8s, 175 /16s and 152 /24s
Percentage of available APNIC address space announced: 81.0
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: 123721
Total ARIN prefixes after maximum aggregation: 65021
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 93206
Unique aggregates announced from the ARIN address blocks: 35656
ARIN Region origin ASes present in the Internet Routing Table: 12565
ARIN Prefixes per ASN: 7.42
ARIN Region origin ASes announcing only one prefix: 4856
ARIN Region transit ASes present in the Internet Routing Table: 1195
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 369424800
Equivalent to 22 /8s, 4 /16s and 249 /24s
Percentage of available ARIN address space announced: 75.9
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: 59819
Total RIPE prefixes after maximum aggregation: 35960
RIPE Deaggregation factor: 1.66
Prefixes being announced from the RIPE address blocks: 55464
Unique aggregates announced from the RIPE address blocks: 37037
RIPE Region origin ASes present in the Internet Routing Table: 12140
RIPE Prefixes per ASN: 4.57
RIPE Region origin ASes announcing only one prefix: 6392
RIPE Region transit ASes present in the Internet Routing Table: 1844
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 377708832
Equivalent to 22 /8s, 131 /16s and 97 /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: 22161
Total LACNIC prefixes after maximum aggregation: 5535
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 20225
Unique aggregates announced from the LACNIC address blocks: 11329
LACNIC Region origin ASes present in the Internet Routing Table: 1028
LACNIC Prefixes per ASN: 19.67
LACNIC Region origin ASes announcing only one prefix: 341
LACNIC Region transit ASes present in the Internet Routing Table: 169
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 57700352
Equivalent to 3 /8s, 112 /16s and 112 /24s
Percentage of available LACNIC address space announced: 57.3
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: 4163
Total AfriNIC prefixes after maximum aggregation: 1327
AfriNIC Deaggregation factor: 3.14
Prefixes being announced from the AfriNIC address blocks: 4452
Unique aggregates announced from the AfriNIC address blocks: 2148
AfriNIC Region origin ASes present in the Internet Routing Table: 265
AfriNIC Prefixes per ASN: 16.80
AfriNIC Region origin ASes announcing only one prefix: 82
AfriNIC Region transit ASes present in the Internet Routing Table: 53
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12915968
Equivalent to 0 /8s, 197 /16s and 21 /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
4755 1511 523 211 TATA Communications formerly
17488 1408 99 103 Hathway IP Over Cable Interne
9583 1111 87 476 Sify Limited
4766 883 6408 363 Korea Telecom (KIX)
4134 876 13772 359 CHINANET-BACKBONE
23577 816 35 701 Korea Telecom (ATM-MPLS)
18101 783 161 67 Reliance Infocom Ltd Internet
4780 726 357 63 Digital United Inc.
9498 694 295 54 BHARTI BT INTERNET LTD.
4808 630 1172 143 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 4353 3417 341 bellsouth.net, inc.
209 3040 4035 622 Qwest
6298 2078 326 690 Cox Communicatons
1785 1693 717 154 PaeTec Communications, Inc.
20115 1659 1447 723 Charter Communications
6478 1650 363 193 AT&T Worldnet Services
2386 1586 699 898 AT&T Data Communications Serv
4323 1573 1084 377 Time Warner Telecom
7018 1414 5872 982 AT&T WorldNet Services
11492 1210 149 16 Cable One
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 428 1766 380 TDC Tele Danmark
30890 348 94 188 SC Kappa Invexim SRL
3215 331 2788 99 France Telecom Transpac
8866 331 111 23 Bulgarian Telecommunication C
3301 330 1428 301 TeliaNet Sweden
3320 326 7063 275 Deutsche Telekom AG
8452 324 188 11 TEDATA
5462 300 794 27 Telewest Broadband
25233 289 44 24 Awalnet
8551 286 270 37 Bezeq International
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 1399 2833 222 UniNet S.A. de C.V.
11830 670 299 9 Instituto Costarricense de El
22047 567 270 14 VTR PUNTO NET S.A.
10620 545 126 59 TVCABLE BOGOTA
7303 494 243 69 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 419 85 48 ENTEL CHILE S.A.
11172 407 118 72 Servicios Alestra S.A de C.V
28573 338 464 23 NET Servicos de Comunicao S.A
14117 330 23 9 Telefonica del Sur 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 562 73 45 LINKdotNET AS number
3741 270 856 226 The Internet Solution
20858 256 34 3 EgyNet
2018 238 215 140 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 141 10 15 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
33776 116 6 3 Starcomms Nigeria Limited
5713 114 555 63 Telkom SA Ltd
29571 113 13 9 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 4353 3417 341 bellsouth.net, inc.
209 3040 4035 622 Qwest
6298 2078 326 690 Cox Communicatons
1785 1693 717 154 PaeTec Communications, Inc.
20115 1659 1447 723 Charter Communications
6478 1650 363 193 AT&T Worldnet Services
2386 1586 699 898 AT&T Data Communications Serv
4323 1573 1084 377 Time Warner Telecom
4755 1511 523 211 TATA Communications formerly
7018 1414 5872 982 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 3040 2418 Qwest
1785 1693 1539 PaeTec Communications, Inc.
6478 1650 1457 AT&T Worldnet Services
6298 2078 1388 Cox Communicatons
17488 1408 1305 Hathway IP Over Cable Interne
4755 1511 1300 TATA Communications formerly
4323 1573 1196 Time Warner Telecom
11492 1210 1194 Cable One
8151 1399 1177 UniNet S.A. de C.V.
18566 1059 1049 Covad Communications
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 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/current/data-badAS
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/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 /10:18 /11:46 /12:149
/13:298 /14:540 /15:1070 /16:10143 /17:4418 /18:7673
/19:16481 /20:19329 /21:19018 /22:24018 /23:24886 /24:142059
/25:839 /26:1015 /27:827 /28:84 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2848 4353 bellsouth.net, inc.
6298 2052 2078 Cox Communicatons
209 1755 3040 Qwest
2386 1268 1586 AT&T Data Communications Serv
17488 1196 1408 Hathway IP Over Cable Interne
11492 1187 1210 Cable One
1785 1156 1693 PaeTec Communications, Inc.
6478 1105 1650 AT&T Worldnet Services
18566 1040 1059 Covad Communications
9583 978 1111 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:154 12:2176 13:2 15:21 16:3
17:5 20:35 24:1087 32:54 38:518 40:92
41:772 43:1 44:2 47:13 52:3 55:3
56:3 57:26 58:515 59:532 60:452 61:1032
62:1144 63:2009 64:3269 65:2421 66:3497 67:1308
68:806 69:2332 70:877 71:138 72:2065 73:7
74:1280 75:167 76:290 77:890 78:520 79:284
80:938 81:866 82:610 83:396 84:589 85:1064
86:510 87:721 88:347 89:1367 90:25 91:1684
92:272 93:890 94:306 95:4 96:85 97:126
98:386 99:15 113:40 114:118 115:143 116:1004
117:401 118:237 119:515 120:101 121:607 122:851
123:452 124:861 125:1226 128:353 129:217 130:135
131:408 132:72 133:9 134:186 135:31 136:224
137:100 138:145 139:82 140:414 141:111 142:391
143:309 144:301 145:52 146:370 147:141 148:523
149:211 150:129 151:208 152:150 153:137 154:10
155:274 156:174 157:302 158:164 159:300 160:273
161:140 162:254 163:135 164:518 165:506 166:360
167:341 168:632 169:155 170:454 171:40 172:10
173:128 187:18 188:1 189:302 190:2367 192:5826
193:4155 194:3293 195:2628 196:1017 198:3717 199:3309
200:5558 201:1475 202:7684 203:8053 204:3926 205:2183
206:2310 207:2770 208:3715 209:3460 210:2591 211:1092
212:1535 213:1627 214:70 215:25 216:4391 217:1251
218:350 219:430 220:1057 221:418 222:302
End of report