Routing Table Report 04:00 +10GMT Mon 04 May, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 287496
Prefixes after maximum aggregation: 135801
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 140763
Total ASes present in the Internet Routing Table: 31007
Prefixes per ASN: 9.27
Origin-only ASes present in the Internet Routing Table: 26988
Origin ASes announcing only one prefix: 13128
Transit ASes present in the Internet Routing Table: 4019
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: 462
Unregistered ASNs in the Routing Table: 152
Number of 32-bit ASNs allocated by the RIRs: 141
Prefixes from 32-bit ASNs in the Routing Table: 23
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 194
Number of addresses announced to Internet: 2037711872
Equivalent to 121 /8s, 117 /16s and 4 /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: 142200
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 67475
Total APNIC prefixes after maximum aggregation: 24075
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 64153
Unique aggregates announced from the APNIC address blocks: 28774
APNIC Region origin ASes present in the Internet Routing Table: 3592
APNIC Prefixes per ASN: 17.86
APNIC Region origin ASes announcing only one prefix: 965
APNIC Region transit ASes present in the Internet Routing Table: 547
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 412561952
Equivalent to 24 /8s, 151 /16s and 50 /24s
Percentage of available APNIC address space announced: 76.8
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: 125043
Total ARIN prefixes after maximum aggregation: 66024
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 94202
Unique aggregates announced from the ARIN address blocks: 36603
ARIN Region origin ASes present in the Internet Routing Table: 12944
ARIN Prefixes per ASN: 7.28
ARIN Region origin ASes announcing only one prefix: 4995
ARIN Region transit ASes present in the Internet Routing Table: 1257
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 428294144
Equivalent to 25 /8s, 135 /16s and 64 /24s
Percentage of available ARIN address space announced: 82.3
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: 65850
Total RIPE prefixes after maximum aggregation: 38071
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 60178
Unique aggregates announced from the RIPE address blocks: 39995
RIPE Region origin ASes present in the Internet Routing Table: 12855
RIPE Prefixes per ASN: 4.68
RIPE Region origin ASes announcing only one prefix: 6724
RIPE Region transit ASes present in the Internet Routing Table: 1935
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 393064864
Equivalent to 23 /8s, 109 /16s and 177 /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: 23782
Total LACNIC prefixes after maximum aggregation: 5868
LACNIC Deaggregation factor: 4.05
Prefixes being announced from the LACNIC address blocks: 21942
Unique aggregates announced from the LACNIC address blocks: 12106
LACNIC Region origin ASes present in the Internet Routing Table: 1096
LACNIC Prefixes per ASN: 20.02
LACNIC Region origin ASes announcing only one prefix: 354
LACNIC Region transit ASes present in the Internet Routing Table: 181
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 62874432
Equivalent to 3 /8s, 191 /16s and 99 /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: 4925
Total AfriNIC prefixes after maximum aggregation: 1427
AfriNIC Deaggregation factor: 3.45
Prefixes being announced from the AfriNIC address blocks: 4585
Unique aggregates announced from the AfriNIC address blocks: 1395
AfriNIC Region origin ASes present in the Internet Routing Table: 292
AfriNIC Prefixes per ASN: 15.70
AfriNIC Region origin ASes announcing only one prefix: 90
AfriNIC Region transit ASes present in the Internet Routing Table: 59
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 11299840
Equivalent to 0 /8s, 172 /16s and 108 /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 1697 6930 402 Korea Telecom (KIX)
17488 1561 125 101 Hathway IP Over Cable Interne
4755 1239 466 124 TATA Communications formerly
9583 1085 86 536 Sify Limited
4134 898 16676 373 CHINANET-BACKBONE
7545 787 168 107 TPG Internet Pty Ltd
23577 779 34 662 Korea Telecom (ATM-MPLS)
18101 753 217 31 Reliance Infocom Ltd Internet
24560 684 229 175 Bharti Airtel Ltd.
9498 644 295 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 347 bellsouth.net, inc.
209 2627 4151 621 Qwest
4323 1847 1051 375 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 1258 681 907 AT&T Data Communications Serv
3356 1198 10980 453 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 454 1763 393 TDC Tele Danmark
12479 448 578 6 Uni2 Autonomous System
8866 366 109 23 Bulgarian Telecommunication C
3320 347 7082 298 Deutsche Telekom AG
3215 343 3041 108 France Telecom Transpac
3301 343 1670 307 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 1444 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 423 557 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 859 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 347 bellsouth.net, inc.
209 2627 4151 621 Qwest
4323 1847 1051 375 Time Warner Telecom
1785 1752 717 139 PaeTec Communications, Inc.
4766 1697 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 1444 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 2006 Qwest
1785 1752 1613 PaeTec Communications, Inc.
4323 1847 1472 Time Warner Telecom
17488 1561 1460 Hathway IP Over Cable Interne
4766 1697 1295 Korea Telecom (KIX)
8452 1235 1228 TEDATA
8151 1444 1210 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
41.223.112.0/22 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
63.140.213.0/24 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 /8:19 /9:10 /10:20 /11:58 /12:166
/13:336 /14:597 /15:1147 /16:10437 /17:4719 /18:8084
/19:17114 /20:20353 /21:20196 /22:25883 /23:25399 /24:150254
/25:901 /26:1048 /27:540 /28:160 /29:37 /30:10
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2808 4309 bellsouth.net, inc.
4766 1391 1697 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 957 1258 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 12:2214 13:6 15:19
16:3 17:4 20:35 24:1051 32:50 38:527
40:97 41:2006 43:1 44:2 47:22 52:4
55:2 56:3 57:25 58:576 59:635 60:459
61:1124 62:1107 63:2046 64:3661 65:2390 66:3618
67:1542 68:721 69:2583 70:532 71:143 72:1648
73:2 74:1477 75:170 76:311 77:825 78:554
79:330 80:968 81:817 82:562 83:422 84:603
85:1032 86:396 87:653 88:356 89:1422 90:47
91:2152 92:332 93:1063 94:1217 95:1144 96:122
97:201 98:209 99:17 109:1 110:95 112:110
113:94 114:238 115:256 116:1162 117:501 118:289
119:685 120:145 121:716 122:1013 123:686 124:968
125:1312 128:222 129:232 130:127 131:414 132:68
133:9 134:183 135:215 136:242 137:153 138:159
139:80 140:443 141:107 142:375 143:349 144:362
145:47 146:373 147:152 148:513 149:236 150:181
151:199 152:146 153:138 154:2 155:273 156:169
157:300 158:115 159:306 160:281 161:133 162:273
163:151 164:484 165:540 166:276 167:361 168:683
169:161 170:470 171:39 172:10 173:273 174:201
178:1 186:9 187:82 188:9 189:337 190:2659
192:5792 193:4205 194:3306 195:2678 196:1058 198:3704
199:3348 200:5403 201:1384 202:7834 203:8181 204:3812
205:2141 206:2428 207:2811 208:3913 209:3392 210:2704
211:1108 212:1514 213:1692 214:71 215:30 216:4638
217:1268 218:366 219:432 220:1212 221:469 222:294
End of report