Routing Table Report 04:00 +10GMT Tue 14 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 290386
Prefixes after maximum aggregation: 137849
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 144360
Total ASes present in the Internet Routing Table: 31722
Prefixes per ASN: 9.15
Origin-only ASes present in the Internet Routing Table: 27584
Origin ASes announcing only one prefix: 13444
Transit ASes present in the Internet Routing Table: 4138
Transit-only ASes present in the Internet Routing Table: 98
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 472
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 198
Prefixes from 32-bit ASNs in the Routing Table: 70
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 338
Number of addresses announced to Internet: 2070636160
Equivalent to 123 /8s, 107 /16s and 102 /24s
Percentage of available address space announced: 55.9
Percentage of allocated address space announced: 64.6
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 78.3
Total number of prefixes smaller than registry allocations: 143677
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69192
Total APNIC prefixes after maximum aggregation: 24717
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 68620
Unique aggregates announced from the APNIC address blocks: 31385
APNIC Region origin ASes present in the Internet Routing Table: 3701
APNIC Prefixes per ASN: 18.54
APNIC Region origin ASes announcing only one prefix: 1017
APNIC Region transit ASes present in the Internet Routing Table: 574
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 469274048
Equivalent to 27 /8s, 248 /16s and 141 /24s
Percentage of available APNIC address space announced: 87.4
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: 123691
Total ARIN prefixes after maximum aggregation: 65962
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 124372
Unique aggregates announced from the ARIN address blocks: 52057
ARIN Region origin ASes present in the Internet Routing Table: 13099
ARIN Prefixes per ASN: 9.49
ARIN Region origin ASes announcing only one prefix: 5043
ARIN Region transit ASes present in the Internet Routing Table: 1276
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 1010184384
Equivalent to 60 /8s, 54 /16s and 48 /24s
Percentage of available ARIN address space announced: 194.2
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 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: 66429
Total RIPE prefixes after maximum aggregation: 39356
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66065
Unique aggregates announced from the RIPE address blocks: 44552
RIPE Region origin ASes present in the Internet Routing Table: 13270
RIPE Prefixes per ASN: 4.98
RIPE Region origin ASes announcing only one prefix: 6926
RIPE Region transit ASes present in the Internet Routing Table: 1985
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 496286656
Equivalent to 29 /8s, 148 /16s and 187 /24s
Percentage of available RIPE address space announced: 105.6
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: 24509
Total LACNIC prefixes after maximum aggregation: 5995
LACNIC Deaggregation factor: 4.09
Prefixes being announced from the LACNIC address blocks: 24424
Unique aggregates announced from the LACNIC address blocks: 13546
LACNIC Region origin ASes present in the Internet Routing Table: 1140
LACNIC Prefixes per ASN: 21.42
LACNIC Region origin ASes announcing only one prefix: 368
LACNIC Region transit ASes present in the Internet Routing Table: 189
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 72289280
Equivalent to 4 /8s, 79 /16s and 12 /24s
Percentage of available LACNIC address space announced: 71.8
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: 6151
Total AfriNIC prefixes after maximum aggregation: 1495
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 6553
Unique aggregates announced from the AfriNIC address blocks: 2547
AfriNIC Region origin ASes present in the Internet Routing Table: 305
AfriNIC Prefixes per ASN: 21.49
AfriNIC Region origin ASes announcing only one prefix: 90
AfriNIC Region transit ASes present in the Internet Routing Table: 66
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 20227840
Equivalent to 1 /8s, 52 /16s and 167 /24s
Percentage of available AfriNIC address space announced: 60.3
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 1701 6934 407 Korea Telecom (KIX)
17488 1537 138 95 Hathway IP Over Cable Interne
4755 1216 292 144 TATA Communications formerly
9583 1126 87 560 Sify Limited
4134 979 17164 376 CHINANET-BACKBONE
7545 811 198 101 TPG Internet Pty Ltd
9829 800 611 14 BSNL National Internet Backbo
23577 781 34 664 Korea Telecom (ATM-MPLS)
18101 749 200 32 Reliance Infocom Ltd Internet
24560 725 230 171 Bharti Airtel 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 4264 3643 322 bellsouth.net, inc.
4323 1887 1047 384 Time Warner Telecom
1785 1711 714 139 PaeTec Communications, Inc.
7018 1507 5909 1049 AT&T WorldNet Services
20115 1420 1464 678 Charter Communications
2386 1265 670 920 AT&T Data Communications Serv
6478 1209 275 308 AT&T Worldnet Services
3356 1195 10961 443 Level 3 Communications, LLC
11492 1127 208 12 Cable One
22773 1075 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 484 92 197 Evolva Telecom
12479 476 578 6 Uni2 Autonomous System
3292 457 1902 393 TDC Tele Danmark
702 429 1861 345 UUNET - Commercial IP service
35805 356 40 5 United Telecom of Georgia
3301 348 1684 310 TeliaNet Sweden
3320 348 7067 301 Deutsche Telekom AG
3215 343 3065 108 France Telecom Transpac
8866 332 109 20 Bulgarian Telecommunication C
29049 308 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 1469 2882 233 UniNet S.A. de C.V.
10620 923 211 104 TVCABLE BOGOTA
28573 610 570 31 NET Servicos de Comunicao S.A
7303 589 312 93 Telecom Argentina Stet-France
22047 543 302 14 VTR PUNTO NET S.A.
11830 488 309 56 Instituto Costarricense de El
11172 441 99 69 Servicios Alestra S.A de C.V
6471 439 96 31 ENTEL CHILE S.A.
7738 410 858 29 Telecomunicacoes da Bahia S.A
3816 381 188 78 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 992 188 7 TEDATA
24863 900 89 49 LINKdotNET AS number
20858 323 34 5 EgyNet
3741 276 856 236 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 176 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 140 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
33776 121 7 11 Starcomms Nigeria Limited
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 4264 3643 322 bellsouth.net, inc.
4323 1887 1047 384 Time Warner Telecom
1785 1711 714 139 PaeTec Communications, Inc.
4766 1701 6934 407 Korea Telecom (KIX)
17488 1537 138 95 Hathway IP Over Cable Interne
7018 1507 5909 1049 AT&T WorldNet Services
8151 1469 2882 233 UniNet S.A. de C.V.
20115 1420 1464 678 Charter Communications
2386 1265 670 920 AT&T Data Communications Serv
4755 1216 292 144 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1711 1572 PaeTec Communications, Inc.
4323 1887 1503 Time Warner Telecom
17488 1537 1442 Hathway IP Over Cable Interne
4766 1701 1294 Korea Telecom (KIX)
8151 1469 1236 UniNet S.A. de C.V.
11492 1127 1115 Cable One
4755 1216 1072 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1075 1009 Cox Communications, Inc.
8452 992 985 TEDATA
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 /8:19 /9:10 /10:23 /11:58 /12:169
/13:351 /14:611 /15:1164 /16:10532 /17:4747 /18:8215
/19:17115 /20:20425 /21:20287 /22:26078 /23:25961 /24:151938
/25:928 /26:1024 /27:560 /28:147 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2775 4264 bellsouth.net, inc.
4766 1400 1701 Korea Telecom (KIX)
17488 1283 1537 Hathway IP Over Cable Interne
1785 1182 1711 PaeTec Communications, Inc.
11492 1053 1127 Cable One
18566 1043 1062 Covad Communications
2386 983 1265 AT&T Data Communications Serv
9583 978 1126 Sify Limited
4323 958 1887 Time Warner Telecom
8452 916 992 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:210 12:2138 13:7 15:19 16:3
17:5 20:35 24:1098 32:51 34:2 38:578
40:98 41:1759 43:1 44:2 47:22 52:5
55:2 56:2 57:24 58:592 59:647 60:465
61:1071 62:1113 63:2046 64:3712 65:2405 66:3589
67:1610 68:839 69:2645 70:558 71:151 72:1667
73:2 74:1617 75:171 76:343 77:838 78:562
79:354 80:956 81:839 82:571 83:458 84:623
85:1029 86:392 87:674 88:353 89:1439 90:50
91:2397 92:359 93:1101 94:1229 95:977 96:149
97:213 98:246 99:26 110:175 111:88 112:108
113:137 114:252 115:316 116:1097 117:536 118:354
119:744 120:145 121:764 122:1052 123:697 124:975
125:1374 128:225 129:232 130:128 131:414 132:73
133:9 134:188 135:39 136:224 137:162 138:169
139:79 140:449 141:121 142:389 143:349 144:365
145:48 146:386 147:154 148:518 149:231 150:179
151:194 152:146 153:147 154:2 155:274 156:164
157:300 158:118 159:343 160:289 161:153 162:274
163:162 164:479 165:502 166:464 167:359 168:655
169:173 170:476 171:41 172:10 173:308 174:236
178:1 186:116 187:102 188:263 189:475 190:2901
192:5784 193:4255 194:3313 195:2686 196:1101 198:3614
199:3366 200:5148 201:1303 202:7693 203:8269 204:3894
205:2157 206:2444 207:2740 208:3877 209:3378 210:2539
211:1117 212:1645 213:1639 214:83 215:29 216:4529
217:1347 218:400 219:443 220:1114 221:480 222:326
End of report