Routing Table Report 04:00 +10GMT Wed 11 Feb, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 279090
Prefixes after maximum aggregation: 132918
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 136834
Total ASes present in the Internet Routing Table: 30534
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 26565
Origin ASes announcing only one prefix: 12946
Transit ASes present in the Internet Routing Table: 3969
Transit-only ASes present in the Internet Routing Table: 91
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN (24523) 16
Prefixes from unregistered ASNs in the Routing Table: 536
Unregistered ASNs in the Routing Table: 185
Number of 32-bit ASNs allocated by the RIRs: 97
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: 228
Number of addresses announced to Internet: 1999939104
Equivalent to 119 /8s, 52 /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: 75.6
Total number of prefixes smaller than registry allocations: 136884
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 64404
Total APNIC prefixes after maximum aggregation: 22988
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 61243
Unique aggregates announced from the APNIC address blocks: 27740
APNIC Region origin ASes present in the Internet Routing Table: 3529
APNIC Prefixes per ASN: 17.35
APNIC Region origin ASes announcing only one prefix: 958
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: 399942816
Equivalent to 23 /8s, 214 /16s and 164 /24s
Percentage of available APNIC address space announced: 79.5
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: 123277
Total ARIN prefixes after maximum aggregation: 65225
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 92812
Unique aggregates announced from the ARIN address blocks: 35439
ARIN Region origin ASes present in the Internet Routing Table: 12766
ARIN Prefixes per ASN: 7.27
ARIN Region origin ASes announcing only one prefix: 4913
ARIN Region transit ASes present in the Internet Routing Table: 1226
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 414351392
Equivalent to 24 /8s, 178 /16s and 128 /24s
Percentage of available ARIN address space announced: 79.7
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, 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: 63143
Total RIPE prefixes after maximum aggregation: 37211
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 57932
Unique aggregates announced from the RIPE address blocks: 38727
RIPE Region origin ASes present in the Internet Routing Table: 12635
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6650
RIPE Region transit ASes present in the Internet Routing Table: 1915
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 388314976
Equivalent to 23 /8s, 37 /16s and 55 /24s
Percentage of available RIPE address space announced: 82.7
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: 23271
Total LACNIC prefixes after maximum aggregation: 5701
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 21438
Unique aggregates announced from the LACNIC address blocks: 11864
LACNIC Region origin ASes present in the Internet Routing Table: 1066
LACNIC Prefixes per ASN: 20.11
LACNIC Region origin ASes announcing only one prefix: 341
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: 60635776
Equivalent to 3 /8s, 157 /16s and 58 /24s
Percentage of available LACNIC address space announced: 60.2
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: 4498
Total AfriNIC prefixes after maximum aggregation: 1384
AfriNIC Deaggregation factor: 3.25
Prefixes being announced from the AfriNIC address blocks: 4063
Unique aggregates announced from the AfriNIC address blocks: 1399
AfriNIC Region origin ASes present in the Internet Routing Table: 281
AfriNIC Prefixes per ASN: 14.46
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: 4.0
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC addresses announced to Internet: 9984256
Equivalent to 0 /8s, 152 /16s and 89 /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 1648 6924 378 Korea Telecom (KIX)
17488 1522 110 97 Hathway IP Over Cable Interne
4755 1203 428 179 TATA Communications formerly
9583 1078 107 358 Sify Limited
4134 904 16247 368 CHINANET-BACKBONE
18101 752 198 26 Reliance Infocom Ltd Internet
7545 718 158 96 TPG Internet Pty Ltd
9498 681 297 53 BHARTI BT INTERNET LTD.
24560 668 228 174 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 4374 3433 344 bellsouth.net, inc.
209 2826 4036 616 Qwest
1785 1785 733 139 PaeTec Communications, Inc.
4323 1640 1081 375 Time Warner Telecom
20115 1590 1418 728 Charter Communications
7018 1441 5877 995 AT&T WorldNet Services
2386 1253 715 894 AT&T Data Communications Serv
11492 1223 192 12 Cable One
6478 1171 271 536 AT&T Worldnet Services
3356 1139 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 1065 188 7 TEDATA
3292 442 1761 387 TDC Tele Danmark
30890 439 88 201 SC Kappa Invexim SRL
12479 397 578 6 Uni2 Autonomous System
3301 338 1669 304 TeliaNet Sweden
3320 338 7064 289 Deutsche Telekom AG
3215 336 2946 103 France Telecom Transpac
8866 336 109 22 Bulgarian Telecommunication C
29049 330 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 689 299 9 Instituto Costarricense de El
22047 619 302 14 VTR PUNTO NET S.A.
7303 507 253 78 Telecom Argentina Stet-France
6471 439 95 42 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
11172 406 118 74 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
28573 373 506 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 629 74 41 LINKdotNET AS number
20858 276 34 3 This AS will be used to conne
3741 269 857 227 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 117 555 66 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 4374 3433 344 bellsouth.net, inc.
209 2826 4036 616 Qwest
1785 1785 733 139 PaeTec Communications, Inc.
4766 1648 6924 378 Korea Telecom (KIX)
4323 1640 1081 375 Time Warner Telecom
20115 1590 1418 728 Charter Communications
17488 1522 110 97 Hathway IP Over Cable Interne
8151 1483 2834 230 UniNet S.A. de C.V.
7018 1441 5877 995 AT&T WorldNet Services
2386 1253 715 894 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 2826 2210 Qwest
1785 1785 1646 PaeTec Communications, Inc.
17488 1522 1425 Hathway IP Over Cable Interne
4766 1648 1270 Korea Telecom (KIX)
4323 1640 1265 Time Warner Telecom
8151 1483 1253 UniNet S.A. de C.V.
11492 1223 1211 Cable One
8452 1065 1058 TEDATA
18566 1061 1051 Covad Communications
4755 1203 1024 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
62.12.96.0/19 15834 MenaNet network Autonomous Sy
62.12.107.0/24 15834 MenaNet network Autonomous Sy
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
/13:309 /14:574 /15:1127 /16:10332 /17:4582 /18:7861
/19:16903 /20:19852 /21:19409 /22:24642 /23:24901 /24:146218
/25:678 /26:817 /27:505 /28:99 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2850 4374 bellsouth.net, inc.
209 1566 2826 Qwest
4766 1379 1648 Korea Telecom (KIX)
17488 1303 1522 Hathway IP Over Cable Interne
1785 1197 1785 PaeTec Communications, Inc.
11492 1187 1223 Cable One
18566 1042 1061 Covad Communications
8452 1034 1065 TEDATA
2386 943 1253 AT&T Data Communications Serv
9583 927 1078 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:179 12:2181 13:2 15:21 16:3
17:5 20:35 24:1116 32:51 38:541 40:96
41:1779 43:1 44:2 47:11 52:3 55:2
56:3 57:26 58:518 59:611 60:459 61:1099
62:1121 63:2006 64:3410 65:2433 66:3532 67:1467
68:649 69:2467 70:526 71:159 72:1607 73:2
74:1406 75:203 76:294 77:781 78:544 79:319
80:967 81:824 82:547 83:397 84:603 85:989
86:400 87:624 88:354 89:1378 90:42 91:1955
92:275 93:1081 94:1073 95:404 96:95 97:178
98:193 99:16 109:1 110:1 111:1 112:80
113:83 114:169 115:220 116:1160 117:480 118:269
119:632 120:133 121:702 122:935 123:510 124:848
125:1275 128:223 129:222 130:134 131:411 132:73
133:9 134:342 135:37 136:219 137:141 138:145
139:80 140:411 141:105 142:377 143:331 144:319
145:39 146:373 147:146 148:518 149:231 150:140
151:201 152:151 153:132 154:10 155:258 156:171
157:294 158:157 159:239 160:283 161:138 162:274
163:142 164:515 165:502 166:274 167:351 168:673
169:161 170:472 171:40 172:10 173:205 174:59
178:1 186:6 187:60 189:306 190:2577 192:5803
193:4188 194:3327 195:2694 196:1068 198:3691 199:3289
200:5537 201:1478 202:7804 203:7979 204:3927 205:2152
206:2356 207:2790 208:3824 209:3482 210:2606 211:1122
212:1512 213:1697 214:68 215:30 216:4577 217:1205
218:373 219:406 220:1209 221:456 222:303
End of report