Routing Table Report 04:00 +10GMT Mon 01 Sep, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 267384
Prefixes after maximum aggregation: 129607
Deaggregation factor: 2.06
Unique aggregates announced to Internet: 130187
Total ASes present in the Internet Routing Table: 29085
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25320
Origin ASes announcing only one prefix: 12272
Transit ASes present in the Internet Routing Table: 3765
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: 583
Unregistered ASNs in the Routing Table: 211
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: 754
Number of addresses announced to Internet: 1894820384
Equivalent to 112 /8s, 240 /16s and 170 /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: 131273
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61366
Total APNIC prefixes after maximum aggregation: 22746
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 58307
Unique aggregates announced from the APNIC address blocks: 26197
APNIC Region origin ASes present in the Internet Routing Table: 3349
APNIC Prefixes per ASN: 17.41
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: 19
Number of APNIC addresses announced to Internet: 374276128
Equivalent to 22 /8s, 79 /16s and 0 /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: 122548
Total ARIN prefixes after maximum aggregation: 64863
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91542
Unique aggregates announced from the ARIN address blocks: 35025
ARIN Region origin ASes present in the Internet Routing Table: 12417
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4777
ARIN Region transit ASes present in the Internet Routing Table: 1185
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 360776800
Equivalent to 21 /8s, 129 /16s and 4 /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: 57545
Total RIPE prefixes after maximum aggregation: 34980
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52692
Unique aggregates announced from the RIPE address blocks: 35547
RIPE Region origin ASes present in the Internet Routing Table: 11788
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: 1798
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 370182336
Equivalent to 22 /8s, 16 /16s and 136 /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: 21301
Total LACNIC prefixes after maximum aggregation: 5297
LACNIC Deaggregation factor: 4.02
Prefixes being announced from the LACNIC address blocks: 19558
Unique aggregates announced from the LACNIC address blocks: 10819
LACNIC Region origin ASes present in the Internet Routing Table: 989
LACNIC Prefixes per ASN: 19.78
LACNIC Region origin ASes announcing only one prefix: 326
LACNIC Region transit ASes present in the Internet Routing Table: 166
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 54883072
Equivalent to 3 /8s, 69 /16s and 115 /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: 4041
Total AfriNIC prefixes after maximum aggregation: 1249
AfriNIC Deaggregation factor: 3.24
Prefixes being announced from the AfriNIC address blocks: 4359
Unique aggregates announced from the AfriNIC address blocks: 1935
AfriNIC Region origin ASes present in the Internet Routing Table: 253
AfriNIC Prefixes per ASN: 17.23
AfriNIC Region origin ASes announcing only one prefix: 88
AfriNIC Region transit ASes present in the Internet Routing Table: 54
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12650240
Equivalent to 0 /8s, 193 /16s and 7 /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 1362 89 103 Hathway IP Over Cable Interne
9583 1113 89 490 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 690 167 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 4301 3416 343 bellsouth.net, inc.
209 2896 3873 619 Qwest
6298 2013 323 717 Cox Communicatons
1785 1650 710 156 AppliedTheory Corporation
2386 1557 691 899 AT&T Data Communications Serv
4323 1501 1073 374 Time Warner Telecom
20115 1469 1194 670 Charter Communications
7018 1409 5785 978 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
3301 334 1444 305 TeliaNet Sweden
8452 330 188 11 TEDATA
3320 323 7047 271 Deutsche Telekom AG
8866 317 77 21 Bulgarian Telecommunication C
8551 288 270 38 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
8708 267 422 252 Romania Data Systems S.A.
6746 264 125 239 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 1590 2608 227 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 478 235 66 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 510 65 36 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 266 855 223 The Internet Solution
2018 230 214 135 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 118 539 70 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 4301 3416 343 bellsouth.net, inc.
209 2896 3873 619 Qwest
6298 2013 323 717 Cox Communicatons
4755 1711 538 180 Videsh Sanchar Nigam Ltd. Aut
1785 1650 710 156 AppliedTheory Corporation
8151 1590 2608 227 UniNet S.A. de C.V.
2386 1557 691 899 AT&T Data Communications Serv
4323 1501 1073 374 Time Warner Telecom
20115 1469 1194 670 Charter Communications
7018 1409 5785 978 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 2896 2277 Qwest
4755 1711 1531 Videsh Sanchar Nigam Ltd. Aut
1785 1650 1494 AppliedTheory Corporation
8151 1590 1363 UniNet S.A. de C.V.
6298 2013 1296 Cox Communicatons
17488 1362 1259 Hathway IP Over Cable Interne
11492 1211 1189 Cable One
4323 1501 1127 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 /15:1060 /16:10050 /17:4377 /18:7615
/19:16065 /20:18763 /21:18364 /22:23169 /23:24234 /24:139947
/25:840 /26:1016 /27:727 /28:86 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2857 4301 bellsouth.net, inc.
6298 1986 2013 Cox Communicatons
209 1663 2896 Qwest
2386 1235 1557 AT&T Data Communications Serv
11492 1192 1211 Cable One
17488 1170 1362 Hathway IP Over Cable Interne
1785 1119 1650 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 8:136 12:2138 13:2 15:22 16:3
17:5 18:13 20:35 24:1081 32:59 38:490
40:92 41:705 43:1 44:2 47:12 52:3
55:3 56:3 57:26 58:526 59:510 60:452
61:962 62:1209 63:2048 64:3235 65:2368 66:3459
67:1226 68:776 69:2294 70:872 71:132 72:2021
73:6 74:1141 75:170 76:314 77:770 78:799
79:243 80:963 81:846 82:582 83:371 84:575
85:983 86:401 87:719 88:339 89:1317 90:37
91:1422 92:249 93:812 94:115 96:62 97:65
98:318 99:6 114:90 115:33 116:1004 117:342
118:203 119:480 120:83 121:586 122:824 123:398
124:837 125:1186 128:355 129:202 130:134 131:413
132:70 133:9 134:188 135:34 136:223 137:93
138:141 139:93 140:506 141:103 142:407 143:312
144:410 145:51 146:365 147:157 148:506 149:204
150:128 151:181 152:142 153:136 154:10 155:278
156:174 157:299 158:163 159:299 160:273 161:136
162:256 163:158 164:516 165:491 166:365 167:446
168:628 169:144 170:429 171:33 172:10 173:33
188:1 189:554 190:2144 192:5789 193:4143 194:3249
195:2566 196:1025 198:3734 199:3306 200:5590 201:1527
202:7653 203:8082 204:3939 205:2157 206:2354 207:2760
208:3523 209:3431 210:2603 211:1088 212:1407 213:1614
214:181 215:50 216:4374 217:1198 218:347 219:433
220:1060 221:426 222:315
End of report