Routing Table Report 04:00 +10GMT Tue 05 May, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 287526
Prefixes after maximum aggregation: 136009
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 140955
Total ASes present in the Internet Routing Table: 31107
Prefixes per ASN: 9.24
Origin-only ASes present in the Internet Routing Table: 27064
Origin ASes announcing only one prefix: 13195
Transit ASes present in the Internet Routing Table: 4043
Transit-only ASes present in the Internet Routing Table: 92
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 33
Max AS path prepend of ASN (43683) 31
Prefixes from unregistered ASNs in the Routing Table: 466
Unregistered ASNs in the Routing Table: 151
Number of 32-bit ASNs allocated by the RIRs: 141
Prefixes from 32-bit ASNs in the Routing Table: 27
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 197
Number of addresses announced to Internet: 2038082112
Equivalent to 121 /8s, 122 /16s and 170 /24s
Percentage of available address space announced: 55.0
Percentage of allocated address space announced: 63.6
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 76.6
Total number of prefixes smaller than registry allocations: 142091
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 67540
Total APNIC prefixes after maximum aggregation: 24102
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 64215
Unique aggregates announced from the APNIC address blocks: 28867
APNIC Region origin ASes present in the Internet Routing Table: 3603
APNIC Prefixes per ASN: 17.82
APNIC Region origin ASes announcing only one prefix: 971
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: 18
Number of APNIC addresses announced to Internet: 412694560
Equivalent to 24 /8s, 153 /16s and 56 /24s
Percentage of available APNIC address space announced: 76.9
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,
180/8, 183/8, 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: 125063
Total ARIN prefixes after maximum aggregation: 66085
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 94201
Unique aggregates announced from the ARIN address blocks: 36644
ARIN Region origin ASes present in the Internet Routing Table: 12958
ARIN Prefixes per ASN: 7.27
ARIN Region origin ASes announcing only one prefix: 5007
ARIN Region transit ASes present in the Internet Routing Table: 1260
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 428320000
Equivalent to 25 /8s, 135 /16s and 165 /24s
Percentage of available ARIN address space announced: 82.4
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
53248-55295
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: 65845
Total RIPE prefixes after maximum aggregation: 38170
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 60143
Unique aggregates announced from the RIPE address blocks: 40030
RIPE Region origin ASes present in the Internet Routing Table: 12925
RIPE Prefixes per ASN: 4.65
RIPE Region origin ASes announcing only one prefix: 6770
RIPE Region transit ASes present in the Internet Routing Table: 1949
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 393093920
Equivalent to 23 /8s, 110 /16s and 35 /24s
Percentage of available RIPE address space announced: 83.7
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, 47104-52223
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: 23738
Total LACNIC prefixes after maximum aggregation: 5875
LACNIC Deaggregation factor: 4.04
Prefixes being announced from the LACNIC address blocks: 21901
Unique aggregates announced from the LACNIC address blocks: 12121
LACNIC Region origin ASes present in the Internet Routing Table: 1100
LACNIC Prefixes per ASN: 19.91
LACNIC Region origin ASes announcing only one prefix: 358
LACNIC Region transit ASes present in the Internet Routing Table: 182
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 62907392
Equivalent to 3 /8s, 191 /16s and 228 /24s
Percentage of available LACNIC address space announced: 62.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
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: 4915
Total AfriNIC prefixes after maximum aggregation: 1436
AfriNIC Deaggregation factor: 3.42
Prefixes being announced from the AfriNIC address blocks: 4581
Unique aggregates announced from the AfriNIC address blocks: 1397
AfriNIC Region origin ASes present in the Internet Routing Table: 293
AfriNIC Prefixes per ASN: 15.63
AfriNIC Region origin ASes announcing only one prefix: 89
AfriNIC Region transit ASes present in the Internet Routing Table: 60
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 11294208
Equivalent to 0 /8s, 172 /16s and 86 /24s
Percentage of available AfriNIC address space announced: 33.7
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 1698 6930 402 Korea Telecom (KIX)
17488 1561 125 101 Hathway IP Over Cable Interne
4755 1239 466 124 TATA Communications formerly
9583 1079 86 535 Sify Limited
4134 898 16676 373 CHINANET-BACKBONE
7545 793 168 106 TPG Internet Pty Ltd
23577 780 34 663 Korea Telecom (ATM-MPLS)
18101 753 217 31 Reliance Infocom Ltd Internet
24560 684 229 175 Bharti Airtel Ltd.
9498 645 295 51 BHARTI BT INTERNET LTD.
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 4309 3653 343 bellsouth.net, inc.
209 2627 4150 620 Qwest
4323 1847 1035 374 Time Warner Telecom
1785 1752 717 139 PaeTec Communications, Inc.
20115 1603 1442 729 Charter Communications
7018 1468 5896 1017 AT&T WorldNet Services
6478 1391 308 427 AT&T Worldnet Services
2386 1261 697 908 AT&T Data Communications Serv
3356 1197 10980 452 Level 3 Communications, LLC
11492 1096 192 11 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
8452 1235 188 7 TEDATA
30890 541 88 200 Evolva Telecom
3292 455 1763 394 TDC Tele Danmark
12479 447 578 6 Uni2 Autonomous System
8866 368 110 24 Bulgarian Telecommunication C
3320 347 7082 298 Deutsche Telekom AG
3215 343 3041 108 France Telecom Transpac
3301 342 1670 306 TeliaNet Sweden
35805 330 24 4 United Telecom of Georgia
29049 317 26 3 AzerSat LLC.
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 2847 234 UniNet S.A. de C.V.
10620 905 208 88 TVCABLE BOGOTA
22047 617 302 14 VTR PUNTO NET S.A.
7303 522 270 75 Telecom Argentina Stet-France
11830 516 294 34 Instituto Costarricense de El
11172 443 102 72 Servicios Alestra S.A de C.V
6471 442 96 31 ENTEL CHILE S.A.
28573 424 557 27 NET Servicos de Comunicao S.A
16814 409 31 10 NSS, S.A.
7738 397 794 28 Telecomunicacoes da Bahia 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 856 79 37 LINKdotNET AS number
20858 301 34 4 This AS will be used to conne
3741 277 860 237 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 159 150 15 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 9 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
5713 115 507 66 Telkom SA Ltd
24835 107 46 9 RAYA Telecom - Egypt
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 4309 3653 343 bellsouth.net, inc.
209 2627 4150 620 Qwest
4323 1847 1035 374 Time Warner Telecom
1785 1752 717 139 PaeTec Communications, Inc.
4766 1698 6930 402 Korea Telecom (KIX)
20115 1603 1442 729 Charter Communications
17488 1561 125 101 Hathway IP Over Cable Interne
7018 1468 5896 1017 AT&T WorldNet Services
8151 1445 2847 234 UniNet S.A. de C.V.
6478 1391 308 427 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 2627 2007 Qwest
1785 1752 1613 PaeTec Communications, Inc.
4323 1847 1473 Time Warner Telecom
17488 1561 1460 Hathway IP Over Cable Interne
4766 1698 1296 Korea Telecom (KIX)
8452 1235 1228 TEDATA
8151 1445 1211 UniNet S.A. de C.V.
4755 1239 1115 TATA Communications formerly
11492 1096 1085 Cable One
18566 1062 1052 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 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
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.96.0.0/24 36947 FAWRI
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
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 /11:58 /12:166
/13:336 /14:597 /15:1147 /16:10439 /17:4723 /18:8091
/19:17112 /20:20350 /21:20214 /22:25849 /23:25403 /24:150294
/25:899 /26:1043 /27:541 /28:160 /29:37 /30:10
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2807 4309 bellsouth.net, inc.
4766 1392 1698 Korea Telecom (KIX)
209 1334 2627 Qwest
17488 1306 1561 Hathway IP Over Cable Interne
8452 1209 1235 TEDATA
1785 1158 1752 PaeTec Communications, Inc.
18566 1043 1062 Covad Communications
11492 1034 1096 Cable One
2386 959 1261 AT&T Data Communications Serv
4323 952 1847 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:13 8:198 12:2217 13:6 15:19
16:3 17:4 20:35 24:1051 32:50 38:528
40:97 41:2008 43:1 44:2 47:22 52:4
55:2 56:3 57:25 58:582 59:638 60:459
61:1124 62:1106 63:2044 64:3664 65:2376 66:3618
67:1540 68:736 69:2584 70:531 71:144 72:1643
73:2 74:1488 75:170 76:310 77:824 78:554
79:332 80:961 81:814 82:544 83:423 84:603
85:1033 86:399 87:648 88:356 89:1438 90:47
91:2178 92:320 93:985 94:1224 95:1145 96:123
97:203 98:214 99:17 109:1 110:95 112:108
113:101 114:238 115:253 116:1164 117:517 118:285
119:687 120:145 121:717 122:1014 123:686 124:970
125:1313 128:222 129:232 130:126 131:415 132:73
133:9 134:183 135:215 136:242 137:153 138:159
139:80 140:445 141:107 142:376 143:349 144:360
145:47 146:373 147:154 148:514 149:237 150:181
151:199 152:147 153:138 154:2 155:273 156:169
157:300 158:115 159:306 160:281 161:133 162:273
163:151 164:484 165:540 166:276 167:361 168:684
169:161 170:473 171:39 172:10 173:273 174:202
178:1 186:9 187:86 188:13 189:340 190:2592
192:5788 193:4225 194:3307 195:2694 196:1066 198:3710
199:3345 200:5420 201:1383 202:7843 203:8194 204:3813
205:2145 206:2426 207:2802 208:3912 209:3394 210:2706
211:1108 212:1531 213:1690 214:69 215:30 216:4633
217:1269 218:366 219:432 220:1220 221:469 222:294
End of report