Routing Table Report 04:00 +10GMT Fri 31 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 291623
Prefixes after maximum aggregation: 138495
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 144642
Total ASes present in the Internet Routing Table: 31852
Prefixes per ASN: 9.16
Origin-only ASes present in the Internet Routing Table: 27711
Origin ASes announcing only one prefix: 13517
Transit ASes present in the Internet Routing Table: 4141
Transit-only ASes present in the Internet Routing Table: 100
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 453
Unregistered ASNs in the Routing Table: 129
Number of 32-bit ASNs allocated by the RIRs: 220
Prefixes from 32-bit ASNs in the Routing Table: 80
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 338
Number of addresses announced to Internet: 2064628544
Equivalent to 123 /8s, 15 /16s and 187 /24s
Percentage of available address space announced: 55.7
Percentage of allocated address space announced: 64.5
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 78.5
Total number of prefixes smaller than registry allocations: 139550
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 68918
Total APNIC prefixes after maximum aggregation: 24865
APNIC Deaggregation factor: 2.77
Prefixes being announced from the APNIC address blocks: 68336
Unique aggregates announced from the APNIC address blocks: 30982
APNIC Region origin ASes present in the Internet Routing Table: 3719
APNIC Prefixes per ASN: 18.37
APNIC Region origin ASes announcing only one prefix: 1017
APNIC Region transit ASes present in the Internet Routing Table: 579
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 475522752
Equivalent to 28 /8s, 87 /16s and 230 /24s
Percentage of available APNIC address space announced: 88.6
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: 124360
Total ARIN prefixes after maximum aggregation: 66131
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 125029
Unique aggregates announced from the ARIN address blocks: 52249
ARIN Region origin ASes present in the Internet Routing Table: 13137
ARIN Prefixes per ASN: 9.52
ARIN Region origin ASes announcing only one prefix: 5069
ARIN Region transit ASes present in the Internet Routing Table: 1278
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 995211456
Equivalent to 59 /8s, 81 /16s and 184 /24s
Percentage of available ARIN address space announced: 87.2
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 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8,
30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8,
44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8,
56/8, 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, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 67024
Total RIPE prefixes after maximum aggregation: 39638
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66612
Unique aggregates announced from the RIPE address blocks: 44950
RIPE Region origin ASes present in the Internet Routing Table: 13346
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6984
RIPE Region transit ASes present in the Internet Routing Table: 1981
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 498878144
Equivalent to 29 /8s, 188 /16s and 70 /24s
Percentage of available RIPE address space announced: 99.1
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 25/8, 51/8, 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: 24773
Total LACNIC prefixes after maximum aggregation: 6093
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24729
Unique aggregates announced from the LACNIC address blocks: 13661
LACNIC Region origin ASes present in the Internet Routing Table: 1146
LACNIC Prefixes per ASN: 21.58
LACNIC Region origin ASes announcing only one prefix: 364
LACNIC Region transit ASes present in the Internet Routing Table: 191
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 72798912
Equivalent to 4 /8s, 86 /16s and 210 /24s
Percentage of available LACNIC address space announced: 72.3
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: 6159
Total AfriNIC prefixes after maximum aggregation: 1481
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 6566
Unique aggregates announced from the AfriNIC address blocks: 2524
AfriNIC Region origin ASes present in the Internet Routing Table: 299
AfriNIC Prefixes per ASN: 21.96
AfriNIC Region origin ASes announcing only one prefix: 83
AfriNIC Region transit ASes present in the Internet Routing Table: 59
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 20254720
Equivalent to 1 /8s, 53 /16s and 16 /24s
Percentage of available AfriNIC address space announced: 60.4
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 1716 6976 419 Korea Telecom (KIX)
17488 1381 124 161 Hathway IP Over Cable Interne
4755 1226 292 145 TATA Communications formerly
9583 984 77 563 Sify Limited
4134 980 17389 381 CHINANET-BACKBONE
9829 807 619 15 BSNL National Internet Backbo
23577 786 34 667 Korea Telecom (ATM-MPLS)
18101 750 201 32 Reliance Infocom Ltd Internet
4808 745 1515 172 CNCGROUP IP network: China169
7545 729 198 94 TPG Internet Pty 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 4225 3643 324 bellsouth.net, inc.
4323 1906 1048 384 Time Warner Telecom
1785 1719 714 139 PaeTec Communications, Inc.
7018 1508 5907 1044 AT&T WorldNet Services
20115 1427 1464 678 Charter Communications
2386 1271 670 923 AT&T Data Communications Serv
6478 1255 276 293 AT&T Worldnet Services
3356 1193 10961 442 Level 3 Communications, LLC
11492 1129 208 12 Cable One
22773 1079 2604 66 Cox Communications, Inc.
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
30890 483 92 195 Evolva Telecom
12479 472 578 6 Uni2 Autonomous System
3292 461 1905 395 TDC Tele Danmark
702 430 1861 346 UUNET - Commercial IP service
9198 361 138 12 Kazakhtelecom Data Network Ad
3320 352 7082 305 Deutsche Telekom AG
3301 346 1684 309 TeliaNet Sweden
3215 344 3081 109 France Telecom Transpac
8866 335 109 21 Bulgarian Telecommunication C
8551 310 290 38 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 1504 2898 246 UniNet S.A. de C.V.
10620 964 219 106 TVCABLE BOGOTA
28573 637 579 41 NET Servicos de Comunicao S.A
7303 599 316 94 Telecom Argentina Stet-France
22047 539 302 14 VTR PUNTO NET S.A.
11830 488 309 56 Instituto Costarricense de El
11172 443 99 69 Servicios Alestra S.A de C.V
6471 434 96 31 ENTEL CHILE S.A.
7738 410 858 29 Telecomunicacoes da Bahia S.A
3816 385 189 79 Empresa Nacional de Telecomun
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
8452 1026 188 7 TEDATA
24863 908 90 48 LINKdotNET AS number
20858 324 34 5 EgyNet
3741 277 856 237 The Internet Solution
2018 245 215 143 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 7 Ci Telecom Autonomous system
24835 137 46 9 RAYA Telecom - Egypt
5536 123 8 9 Internet Egypt Network
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 4225 3643 324 bellsouth.net, inc.
4323 1906 1048 384 Time Warner Telecom
1785 1719 714 139 PaeTec Communications, Inc.
4766 1716 6976 419 Korea Telecom (KIX)
7018 1508 5907 1044 AT&T WorldNet Services
8151 1504 2898 246 UniNet S.A. de C.V.
20115 1427 1464 678 Charter Communications
17488 1381 124 161 Hathway IP Over Cable Interne
2386 1271 670 923 AT&T Data Communications Serv
6478 1255 276 293 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
1785 1719 1580 PaeTec Communications, Inc.
4323 1906 1522 Time Warner Telecom
4766 1716 1297 Korea Telecom (KIX)
8151 1504 1258 UniNet S.A. de C.V.
17488 1381 1220 Hathway IP Over Cable Interne
11492 1129 1117 Cable One
4755 1226 1081 TATA Communications formerly
18566 1062 1052 Covad Communications
8452 1026 1019 TEDATA
22773 1079 1013 Cox Communications, Inc.
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
41.223.92.0/22 36936 >>UNKNOWN<<
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
63.143.251.0/24 22555 Universal Talkware Corporatio
64.31.32.0/19 11955 ServiceCo LLC - Road Runner
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 /8:18 /9:10 /10:24 /11:58 /12:169
/13:349 /14:619 /15:1172 /16:10563 /17:4763 /18:8317
/19:17188 /20:20569 /21:20398 /22:26265 /23:26095 /24:152351
/25:906 /26:1032 /27:575 /28:158 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2741 4225 bellsouth.net, inc.
4766 1402 1716 Korea Telecom (KIX)
1785 1189 1719 PaeTec Communications, Inc.
17488 1158 1381 Hathway IP Over Cable Interne
11492 1055 1129 Cable One
18566 1043 1062 Covad Communications
4323 965 1906 Time Warner Telecom
8452 948 1026 TEDATA
10620 872 964 TVCABLE BOGOTA
7018 865 1508 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:211 12:2140 13:7 15:19 16:3
17:5 20:35 24:1112 32:52 34:2 38:583
40:98 41:1726 43:1 44:2 47:22 52:6
55:2 56:2 57:24 58:570 59:643 60:441
61:1065 62:1113 63:2005 64:3704 65:2386 66:3587
67:1678 68:859 69:2700 70:550 71:153 72:1635
73:2 74:1641 75:175 76:338 77:848 78:586
79:357 80:953 81:852 82:589 83:453 84:634
85:1063 86:373 87:673 88:362 89:1472 90:50
91:2423 92:375 93:1084 94:1101 95:1174 96:156
97:230 98:256 99:27 110:167 111:229 112:115
113:141 114:236 115:341 116:1027 117:554 118:326
119:760 120:146 121:780 122:1045 123:641 124:942
125:1324 128:225 129:222 130:128 131:412 132:73
133:10 134:186 135:40 136:224 137:165 138:167
139:82 140:450 141:123 142:384 143:376 144:359
145:48 146:392 147:155 148:516 149:224 150:206
151:193 152:145 153:147 154:2 155:275 156:167
157:301 158:118 159:343 160:289 161:156 162:272
163:165 164:475 165:518 166:466 167:361 168:708
169:176 170:481 171:42 172:10 173:324 174:266
178:1 186:110 187:146 188:350 189:580 190:2909
192:5781 193:4261 194:3299 195:2699 196:1127 198:3643
199:3366 200:5150 201:1281 202:7625 203:8180 204:3896
205:2159 206:2444 207:2739 208:3899 209:3437 210:2484
211:1107 212:1660 213:1638 214:81 215:29 216:4560
217:1360 218:405 219:425 220:1104 221:345 222:328
End of report