Routing Table Report 04:00 +10GMT Wed 29 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 292352
Prefixes after maximum aggregation: 138349
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 145113
Total ASes present in the Internet Routing Table: 31833
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 27684
Origin ASes announcing only one prefix: 13508
Transit ASes present in the Internet Routing Table: 4149
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: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 441
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 218
Prefixes from 32-bit ASNs in the Routing Table: 77
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 336
Number of addresses announced to Internet: 2078633280
Equivalent to 123 /8s, 229 /16s and 109 /24s
Percentage of available address space announced: 56.1
Percentage of allocated address space announced: 64.9
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: 144822
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69900
Total APNIC prefixes after maximum aggregation: 24847
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 69315
Unique aggregates announced from the APNIC address blocks: 31609
APNIC Region origin ASes present in the Internet Routing Table: 3722
APNIC Prefixes per ASN: 18.62
APNIC Region origin ASes announcing only one prefix: 1015
APNIC Region transit ASes present in the Internet Routing Table: 580
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 474126272
Equivalent to 28 /8s, 66 /16s and 151 /24s
Percentage of available APNIC address space announced: 88.3
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: 124223
Total ARIN prefixes after maximum aggregation: 66091
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 124895
Unique aggregates announced from the ARIN address blocks: 52187
ARIN Region origin ASes present in the Internet Routing Table: 13124
ARIN Prefixes per ASN: 9.52
ARIN Region origin ASes announcing only one prefix: 5065
ARIN Region transit ASes present in the Internet Routing Table: 1281
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1011984576
Equivalent to 60 /8s, 81 /16s and 168 /24s
Percentage of available ARIN address space announced: 194.6
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: 66941
Total RIPE prefixes after maximum aggregation: 39591
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66543
Unique aggregates announced from the RIPE address blocks: 44880
RIPE Region origin ASes present in the Internet Routing Table: 13338
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6977
RIPE Region transit ASes present in the Internet Routing Table: 1988
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 497678016
Equivalent to 29 /8s, 169 /16s and 246 /24s
Percentage of available RIPE address space announced: 98.9
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, 47104-52223
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: 24787
Total LACNIC prefixes after maximum aggregation: 6067
LACNIC Deaggregation factor: 4.09
Prefixes being announced from the LACNIC address blocks: 24738
Unique aggregates announced from the LACNIC address blocks: 13704
LACNIC Region origin ASes present in the Internet Routing Table: 1145
LACNIC Prefixes per ASN: 21.61
LACNIC Region origin ASes announcing only one prefix: 366
LACNIC Region transit ASes present in the Internet Routing Table: 190
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 72820928
Equivalent to 4 /8s, 87 /16s and 40 /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: 6116
Total AfriNIC prefixes after maximum aggregation: 1469
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 6512
Unique aggregates announced from the AfriNIC address blocks: 2458
AfriNIC Region origin ASes present in the Internet Routing Table: 300
AfriNIC Prefixes per ASN: 21.71
AfriNIC Region origin ASes announcing only one prefix: 85
AfriNIC Region transit ASes present in the Internet Routing Table: 61
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 20099328
Equivalent to 1 /8s, 50 /16s and 177 /24s
Percentage of available AfriNIC address space announced: 59.9
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 1704 6934 409 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
4755 1226 292 145 TATA Communications formerly
9583 1114 87 548 Sify Limited
4134 972 17321 375 CHINANET-BACKBONE
9829 803 615 15 BSNL National Internet Backbo
7545 801 198 101 TPG Internet Pty Ltd
23577 786 34 667 Korea Telecom (ATM-MPLS)
18101 750 201 32 Reliance Infocom Ltd Internet
24560 732 263 170 Bharti Airtel Ltd., Telemedia
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 4228 3642 320 bellsouth.net, inc.
4323 1899 1050 385 Time Warner Telecom
1785 1716 714 139 PaeTec Communications, Inc.
7018 1512 5907 1044 AT&T WorldNet Services
20115 1427 1464 678 Charter Communications
2386 1271 670 924 AT&T Data Communications Serv
6478 1249 276 300 AT&T Worldnet Services
3356 1193 10961 444 Level 3 Communications, LLC
11492 1128 208 12 Cable One
22773 1077 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 475 578 6 Uni2 Autonomous System
3292 460 1905 395 TDC Tele Danmark
702 430 1861 346 UUNET - Commercial IP service
9198 360 138 12 Kazakhtelecom Data Network Ad
3320 352 7082 305 Deutsche Telekom AG
3301 346 1684 309 TeliaNet Sweden
3215 343 3065 108 France Telecom Transpac
8866 334 109 20 Bulgarian Telecommunication C
29049 307 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 1503 2898 246 UniNet S.A. de C.V.
10620 961 219 108 TVCABLE BOGOTA
28573 616 579 38 NET Servicos de Comunicao S.A
7303 598 316 93 Telecom Argentina Stet-France
22047 541 302 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 384 189 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 905 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
29571 139 15 7 Ci Telecom Autonomous system
24835 137 46 9 RAYA Telecom - Egypt
33783 137 10 9 EEPAD TISP TELECOM & INTERNET
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 4228 3642 320 bellsouth.net, inc.
4323 1899 1050 385 Time Warner Telecom
1785 1716 714 139 PaeTec Communications, Inc.
4766 1704 6934 409 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
7018 1512 5907 1044 AT&T WorldNet Services
8151 1503 2898 246 UniNet S.A. de C.V.
20115 1427 1464 678 Charter Communications
2386 1271 670 924 AT&T Data Communications Serv
6478 1249 276 300 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 1716 1577 PaeTec Communications, Inc.
4323 1899 1514 Time Warner Telecom
17488 1543 1440 Hathway IP Over Cable Interne
4766 1704 1295 Korea Telecom (KIX)
8151 1503 1257 UniNet S.A. de C.V.
11492 1128 1116 Cable One
4755 1226 1081 TATA Communications formerly
18566 1062 1052 Covad Communications
8452 1026 1019 TEDATA
22773 1077 1011 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 /8:19 /9:10 /10:24 /11:58 /12:169
/13:350 /14:613 /15:1171 /16:10541 /17:4765 /18:8247
/19:17185 /20:20548 /21:20398 /22:26288 /23:26186 /24:153088
/25:909 /26:1026 /27:574 /28:159 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2744 4228 bellsouth.net, inc.
4766 1402 1704 Korea Telecom (KIX)
17488 1290 1543 Hathway IP Over Cable Interne
1785 1186 1716 PaeTec Communications, Inc.
11492 1054 1128 Cable One
18566 1043 1062 Covad Communications
2386 988 1271 AT&T Data Communications Serv
9583 967 1114 Sify Limited
4323 964 1899 Time Warner Telecom
8452 948 1026 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:211 12:2139 13:7 15:19 16:3
17:5 20:36 24:1105 32:52 34:2 38:581
40:98 41:1725 43:1 44:2 47:22 52:6
53:2 55:2 56:2 57:24 58:596 59:650
60:461 61:1077 62:1112 63:2015 64:3705 65:2399
66:3581 67:1676 68:860 69:2648 70:549 71:153
72:1647 73:2 74:1636 75:175 76:346 77:849
78:585 79:360 80:965 81:844 82:580 83:454
84:632 85:1063 86:372 87:669 88:363 89:1477
90:50 91:2423 92:379 93:1088 94:1069 95:1126
96:155 97:225 98:256 99:27 110:168 111:356
112:114 113:145 114:254 115:341 116:1121 117:539
118:338 119:741 120:147 121:782 122:1059 123:696
124:976 125:1377 128:225 129:232 130:128 131:414
132:74 133:10 134:186 135:40 136:225 137:165
138:167 139:82 140:450 141:122 142:384 143:367
144:364 145:48 146:393 147:155 148:517 149:223
150:207 151:193 152:145 153:147 154:2 155:275
156:167 157:301 158:118 159:343 160:289 161:156
162:275 163:164 164:475 165:521 166:467 167:361
168:707 169:172 170:478 171:42 172:10 173:321
174:260 178:1 186:110 187:147 188:346 189:551
190:2934 192:5785 193:4241 194:3298 195:2699 196:1132
198:3644 199:3369 200:5146 201:1284 202:7715 203:8311
204:3891 205:2157 206:2445 207:2736 208:3897 209:3434
210:2540 211:1122 212:1657 213:1636 214:82 215:29
216:4543 217:1363 218:403 219:451 220:1107 221:476
222:328
End of report