Routing Table Report 04:00 +10GMT Tue 24 Feb, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 280902
Prefixes after maximum aggregation: 133614
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 137817
Total ASes present in the Internet Routing Table: 30644
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 26605
Origin ASes announcing only one prefix: 12977
Transit ASes present in the Internet Routing Table: 4039
Transit-only ASes present in the Internet Routing Table: 89
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (18678) 21
Prefixes from unregistered ASNs in the Routing Table: 526
Unregistered ASNs in the Routing Table: 175
Number of 32-bit ASNs allocated by the RIRs: 107
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: 210
Number of addresses announced to Internet: 2008076224
Equivalent to 119 /8s, 176 /16s and 207 /24s
Percentage of available address space announced: 54.2
Percentage of allocated address space announced: 63.4
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 75.9
Total number of prefixes smaller than registry allocations: 137953
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 64935
Total APNIC prefixes after maximum aggregation: 23334
APNIC Deaggregation factor: 2.78
Prefixes being announced from the APNIC address blocks: 61788
Unique aggregates announced from the APNIC address blocks: 28197
APNIC Region origin ASes present in the Internet Routing Table: 3537
APNIC Prefixes per ASN: 17.47
APNIC Region origin ASes announcing only one prefix: 954
APNIC Region transit ASes present in the Internet Routing Table: 554
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 403494560
Equivalent to 24 /8s, 12 /16s and 214 /24s
Percentage of available APNIC address space announced: 80.2
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: 123904
Total ARIN prefixes after maximum aggregation: 65359
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 93361
Unique aggregates announced from the ARIN address blocks: 35852
ARIN Region origin ASes present in the Internet Routing Table: 12804
ARIN Prefixes per ASN: 7.29
ARIN Region origin ASes announcing only one prefix: 4932
ARIN Region transit ASes present in the Internet Routing Table: 1263
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 416179264
Equivalent to 24 /8s, 206 /16s and 100 /24s
Percentage of available ARIN address space announced: 80.0
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: 63698
Total RIPE prefixes after maximum aggregation: 37405
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 58265
Unique aggregates announced from the RIPE address blocks: 38782
RIPE Region origin ASes present in the Internet Routing Table: 12698
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6667
RIPE Region transit ASes present in the Internet Routing Table: 1943
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 389403872
Equivalent to 23 /8s, 53 /16s and 212 /24s
Percentage of available RIPE address space announced: 82.9
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, 47104-49151
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: 23324
Total LACNIC prefixes after maximum aggregation: 5721
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 21506
Unique aggregates announced from the LACNIC address blocks: 11873
LACNIC Region origin ASes present in the Internet Routing Table: 1069
LACNIC Prefixes per ASN: 20.12
LACNIC Region origin ASes announcing only one prefix: 338
LACNIC Region transit ASes present in the Internet Routing Table: 184
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 61059712
Equivalent to 3 /8s, 163 /16s and 178 /24s
Percentage of available LACNIC address space announced: 60.7
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: 4547
Total AfriNIC prefixes after maximum aggregation: 1389
AfriNIC Deaggregation factor: 3.27
Prefixes being announced from the AfriNIC address blocks: 4277
Unique aggregates announced from the AfriNIC address blocks: 1412
AfriNIC Region origin ASes present in the Internet Routing Table: 284
AfriNIC Prefixes per ASN: 15.06
AfriNIC Region origin ASes announcing only one prefix: 86
AfriNIC Region transit ASes present in the Internet Routing Table: 54
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 10028288
Equivalent to 0 /8s, 153 /16s and 5 /24s
Percentage of available AfriNIC address space announced: 29.9
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 1686 6928 395 Korea Telecom (KIX)
17488 1517 116 98 Hathway IP Over Cable Interne
4755 1212 429 179 TATA Communications formerly
9583 1089 86 528 Sify Limited
4134 924 16255 368 CHINANET-BACKBONE
18101 751 198 25 Reliance Infocom Ltd Internet
7545 724 158 99 TPG Internet Pty Ltd
9498 682 297 52 BHARTI BT INTERNET LTD.
24560 674 228 174 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 4306 3656 338 bellsouth.net, inc.
209 2833 4163 616 Qwest
4323 1774 1081 378 Time Warner Telecom
1785 1748 733 139 PaeTec Communications, Inc.
20115 1588 1423 719 Charter Communications
7018 1446 5878 1009 AT&T WorldNet Services
2386 1264 715 903 AT&T Data Communications Serv
6478 1250 299 506 AT&T Worldnet Services
11492 1202 192 12 Cable One
3356 1136 10976 440 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 1230 188 7 TEDATA
30890 445 88 202 SC Kappa Invexim SRL
3292 443 1762 388 TDC Tele Danmark
12479 397 578 6 Uni2 Autonomous System
3320 342 7065 292 Deutsche Telekom AG
3301 338 1669 304 TeliaNet Sweden
8866 336 109 22 Bulgarian Telecommunication C
3215 331 2946 103 France Telecom Transpac
29049 328 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 1445 2831 230 UniNet S.A. de C.V.
10620 763 166 96 TVCABLE BOGOTA
11830 694 299 9 Instituto Costarricense de El
22047 614 302 14 VTR PUNTO NET S.A.
7303 512 256 79 Telecom Argentina Stet-France
6471 437 95 42 ENTEL CHILE S.A.
16814 427 27 11 NSS, S.A.
11172 404 118 74 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
28573 370 506 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 664 74 38 LINKdotNET AS number
20858 290 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 117 523 65 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 4306 3656 338 bellsouth.net, inc.
209 2833 4163 616 Qwest
4323 1774 1081 378 Time Warner Telecom
1785 1748 733 139 PaeTec Communications, Inc.
4766 1686 6928 395 Korea Telecom (KIX)
20115 1588 1423 719 Charter Communications
17488 1517 116 98 Hathway IP Over Cable Interne
7018 1446 5878 1009 AT&T WorldNet Services
8151 1445 2831 230 UniNet S.A. de C.V.
2386 1264 715 903 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 2833 2217 Qwest
1785 1748 1609 PaeTec Communications, Inc.
17488 1517 1419 Hathway IP Over Cable Interne
4323 1774 1396 Time Warner Telecom
4766 1686 1291 Korea Telecom (KIX)
8452 1230 1223 TEDATA
8151 1445 1215 UniNet S.A. de C.V.
11492 1202 1190 Cable One
18566 1061 1051 Covad Communications
4755 1212 1033 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 /11:55 /12:162
/13:317 /14:574 /15:1124 /16:10341 /17:4579 /18:7893
/19:16914 /20:19937 /21:19594 /22:24789 /23:25116 /24:147167
/25:708 /26:860 /27:600 /28:107 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2805 4306 bellsouth.net, inc.
209 1571 2833 Qwest
4766 1393 1686 Korea Telecom (KIX)
17488 1293 1517 Hathway IP Over Cable Interne
8452 1209 1230 TEDATA
11492 1162 1202 Cable One
1785 1154 1748 PaeTec Communications, Inc.
18566 1042 1061 Covad Communications
2386 953 1264 AT&T Data Communications Serv
4323 943 1774 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:165 12:2204 13:2 15:20 16:3
17:4 20:35 24:1116 32:51 38:545 40:96
41:1956 43:1 44:2 47:11 52:3 55:2
56:3 57:25 58:531 59:616 60:457 61:1100
62:1085 63:2002 64:3538 65:2417 66:3542 67:1466
68:658 69:2478 70:506 71:159 72:1611 73:2
74:1430 75:202 76:305 77:770 78:557 79:317
80:966 81:834 82:547 83:406 84:584 85:996
86:398 87:624 88:350 89:1404 90:42 91:1998
92:278 93:1091 94:1101 95:448 96:90 97:180
98:189 99:16 109:1 112:76 113:76 114:189
115:222 116:1122 117:493 118:284 119:643 120:134
121:707 122:962 123:518 124:931 125:1280 128:221
129:222 130:135 131:410 132:73 133:9 134:339
135:37 136:223 137:139 138:145 139:79 140:413
141:105 142:381 143:317 144:317 145:40 146:373
147:151 148:536 149:232 150:141 151:198 152:152
153:133 154:10 155:260 156:170 157:294 158:148
159:240 160:282 161:138 162:269 163:144 164:516
165:504 166:274 167:353 168:679 169:163 170:470
171:39 172:10 173:280 174:135 178:1 186:6
187:48 188:6 189:295 190:2603 192:5808 193:4209
194:3324 195:2703 196:1072 198:3700 199:3286 200:5546
201:1491 202:7813 203:8007 204:3947 205:2165 206:2348
207:2792 208:3837 209:3476 210:2640 211:1125 212:1504
213:1701 214:68 215:26 216:4551 217:1208 218:376
219:407 220:1217 221:460 222:316
End of report