Routing Table Report 04:00 +10GMT Fri 13 Feb, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 279148
Prefixes after maximum aggregation: 133146
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 137082
Total ASes present in the Internet Routing Table: 30547
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 26575
Origin ASes announcing only one prefix: 12935
Transit ASes present in the Internet Routing Table: 3972
Transit-only ASes present in the Internet Routing Table: 93
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (24523) 16
Prefixes from unregistered ASNs in the Routing Table: 531
Unregistered ASNs in the Routing Table: 182
Number of 32-bit ASNs allocated by the RIRs: 101
Prefixes from 32-bit ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 220
Number of addresses announced to Internet: 2001315424
Equivalent to 119 /8s, 73 /16s and 166 /24s
Percentage of available address space announced: 54.0
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 75.7
Total number of prefixes smaller than registry allocations: 136985
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 64387
Total APNIC prefixes after maximum aggregation: 23174
APNIC Deaggregation factor: 2.78
Prefixes being announced from the APNIC address blocks: 61229
Unique aggregates announced from the APNIC address blocks: 27988
APNIC Region origin ASes present in the Internet Routing Table: 3530
APNIC Prefixes per ASN: 17.35
APNIC Region origin ASes announcing only one prefix: 954
APNIC Region transit ASes present in the Internet Routing Table: 549
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 401024992
Equivalent to 23 /8s, 231 /16s and 39 /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, 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: 123222
Total ARIN prefixes after maximum aggregation: 65185
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 92754
Unique aggregates announced from the ARIN address blocks: 35470
ARIN Region origin ASes present in the Internet Routing Table: 12762
ARIN Prefixes per ASN: 7.27
ARIN Region origin ASes announcing only one prefix: 4906
ARIN Region transit ASes present in the Internet Routing Table: 1217
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 414156064
Equivalent to 24 /8s, 175 /16s and 133 /24s
Percentage of available ARIN address space announced: 79.6
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, 108/8, 173/8,
174/8, 184/8, 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: 63247
Total RIPE prefixes after maximum aggregation: 37269
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 58029
Unique aggregates announced from the RIPE address blocks: 38735
RIPE Region origin ASes present in the Internet Routing Table: 12649
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6649
RIPE Region transit ASes present in the Internet Routing Table: 1925
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 388778592
Equivalent to 23 /8s, 44 /16s and 74 /24s
Percentage of available RIPE address space announced: 82.8
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, 109/8,
178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 23275
Total LACNIC prefixes after maximum aggregation: 5718
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 21431
Unique aggregates announced from the LACNIC address blocks: 11851
LACNIC Region origin ASes present in the Internet Routing Table: 1063
LACNIC Prefixes per ASN: 20.16
LACNIC Region origin ASes announcing only one prefix: 340
LACNIC Region transit ASes present in the Internet Routing Table: 178
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 60654208
Equivalent to 3 /8s, 157 /16s and 130 /24s
Percentage of available LACNIC address space announced: 60.3
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: 4518
Total AfriNIC prefixes after maximum aggregation: 1389
AfriNIC Deaggregation factor: 3.25
Prefixes being announced from the AfriNIC address blocks: 4098
Unique aggregates announced from the AfriNIC address blocks: 1390
AfriNIC Region origin ASes present in the Internet Routing Table: 282
AfriNIC Prefixes per ASN: 14.53
AfriNIC Region origin ASes announcing only one prefix: 86
AfriNIC Region transit ASes present in the Internet Routing Table: 57
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC addresses announced to Internet: 9993216
Equivalent to 0 /8s, 152 /16s and 124 /24s
Percentage of available AfriNIC address space announced: 29.8
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1655 6924 381 Korea Telecom (KIX)
17488 1464 106 107 Hathway IP Over Cable Interne
4755 1205 429 179 TATA Communications formerly
9583 1076 85 520 Sify Limited
4134 904 16247 368 CHINANET-BACKBONE
18101 754 198 26 Reliance Infocom Ltd Internet
7545 719 158 97 TPG Internet Pty Ltd
9498 681 297 53 BHARTI BT INTERNET LTD.
24560 671 228 174 Bharti Airtel Ltd.
9829 639 491 19 BSNL National Internet Backbo
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 4372 3433 344 bellsouth.net, inc.
209 2824 4035 614 Qwest
1785 1785 733 139 PaeTec Communications, Inc.
4323 1639 1081 375 Time Warner Telecom
20115 1592 1418 726 Charter Communications
7018 1439 5877 994 AT&T WorldNet Services
2386 1257 717 897 AT&T Data Communications Serv
6478 1232 293 504 AT&T Worldnet Services
11492 1223 192 12 Cable One
3356 1138 10976 437 Level 3 Communications, LLC
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
8452 1075 188 7 TEDATA
3292 443 1762 388 TDC Tele Danmark
30890 439 88 201 SC Kappa Invexim SRL
12479 397 578 6 Uni2 Autonomous System
3320 338 7064 289 Deutsche Telekom AG
3301 336 1669 302 TeliaNet Sweden
8866 336 109 22 Bulgarian Telecommunication C
3215 331 2946 103 France Telecom Transpac
29049 331 26 3 AzerSat LLC.
8551 312 288 40 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 1483 2834 230 UniNet S.A. de C.V.
10620 745 163 93 TVCABLE BOGOTA
11830 694 299 9 Instituto Costarricense de El
22047 619 302 14 VTR PUNTO NET S.A.
7303 511 255 79 Telecom Argentina Stet-France
6471 439 95 42 ENTEL CHILE S.A.
16814 427 27 11 NSS, S.A.
11172 407 118 75 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
28573 371 506 23 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 651 74 39 LINKdotNET AS number
20858 276 34 3 This AS will be used to conne
3741 271 857 229 The Internet Solution
2018 242 215 142 Tertiary Education Network
33783 150 10 8 EEPAD TISP TELECOM & INTERNET
6713 144 135 11 Itissalat Al-MAGHRIB
29571 128 15 8 Ci Telecom Autonomous system
5536 119 7 20 Internet Egypt Network
33776 118 6 3 Starcomms Nigeria Limited
5713 115 523 64 Telkom SA Ltd
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 4372 3433 344 bellsouth.net, inc.
209 2824 4035 614 Qwest
1785 1785 733 139 PaeTec Communications, Inc.
4766 1655 6924 381 Korea Telecom (KIX)
4323 1639 1081 375 Time Warner Telecom
20115 1592 1418 726 Charter Communications
8151 1483 2834 230 UniNet S.A. de C.V.
17488 1464 106 107 Hathway IP Over Cable Interne
7018 1439 5877 994 AT&T WorldNet Services
2386 1257 717 897 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2824 2210 Qwest
1785 1785 1646 PaeTec Communications, Inc.
17488 1464 1357 Hathway IP Over Cable Interne
4766 1655 1274 Korea Telecom (KIX)
4323 1639 1264 Time Warner Telecom
8151 1483 1253 UniNet S.A. de C.V.
11492 1223 1211 Cable One
8452 1075 1068 TEDATA
18566 1061 1051 Covad Communications
4755 1205 1026 TATA Communications formerly
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 7018 AT&T WorldNet Servic
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.
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.220.16.0/20 8668 TelOne Zimbabwe P/L
41.223.112.0/22 5713 Telkom SA Ltd
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
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 /8:19 /9:10 /10:20 /11:54 /12:162
/13:311 /14:574 /15:1127 /16:10331 /17:4587 /18:7862
/19:16894 /20:19846 /21:19451 /22:24696 /23:24917 /24:146164
/25:672 /26:827 /27:507 /28:101 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2848 4372 bellsouth.net, inc.
209 1567 2824 Qwest
4766 1380 1655 Korea Telecom (KIX)
17488 1248 1464 Hathway IP Over Cable Interne
1785 1195 1785 PaeTec Communications, Inc.
11492 1187 1223 Cable One
8452 1049 1075 TEDATA
18566 1042 1061 Covad Communications
2386 944 1257 AT&T Data Communications Serv
9583 928 1076 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:180 12:2186 13:2 15:21 16:3
17:5 20:35 24:1109 32:51 38:541 40:96
41:1804 43:1 44:2 47:11 52:3 55:2
56:3 57:26 58:530 59:612 60:460 61:1097
62:1120 63:2008 64:3415 65:2431 66:3537 67:1467
68:643 69:2474 70:511 71:159 72:1606 73:2
74:1408 75:203 76:304 77:771 78:546 79:323
80:968 81:823 82:548 83:397 84:604 85:989
86:400 87:626 88:348 89:1377 90:41 91:1964
92:278 93:1082 94:1089 95:406 96:91 97:179
98:193 99:16 109:1 110:1 111:1 112:76
113:84 114:172 115:220 116:1126 117:476 118:269
119:645 120:137 121:703 122:938 123:511 124:852
125:1254 128:223 129:222 130:134 131:411 132:75
133:9 134:343 135:37 136:224 137:139 138:145
139:80 140:412 141:105 142:377 143:327 144:319
145:39 146:373 147:147 148:526 149:227 150:140
151:197 152:152 153:132 154:10 155:258 156:171
157:294 158:157 159:239 160:282 161:138 162:274
163:142 164:515 165:503 166:274 167:352 168:681
169:161 170:471 171:39 172:10 173:210 174:63
178:1 186:5 187:60 189:307 190:2568 192:5808
193:4192 194:3327 195:2685 196:1066 198:3679 199:3282
200:5513 201:1489 202:7807 203:7985 204:3857 205:2165
206:2353 207:2782 208:3823 209:3483 210:2608 211:1122
212:1510 213:1713 214:68 215:30 216:4558 217:1205
218:372 219:406 220:1206 221:458 222:306
End of report