Routing Table Report 04:00 +10GMT Fri 28 May, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 321362
Prefixes after maximum aggregation: 148416
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 156645
Total ASes present in the Internet Routing Table: 34088
Prefixes per ASN: 9.43
Origin-only ASes present in the Internet Routing Table: 29586
Origin ASes announcing only one prefix: 14368
Transit ASes present in the Internet Routing Table: 4502
Transit-only ASes present in the Internet Routing Table: 101
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 329
Unregistered ASNs in the Routing Table: 119
Number of 32-bit ASNs allocated by the RIRs: 589
Prefixes from 32-bit ASNs in the Routing Table: 653
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2257832256
Equivalent to 134 /8s, 147 /16s and 201 /24s
Percentage of available address space announced: 60.9
Percentage of allocated address space announced: 66.3
Percentage of available address space allocated: 91.9
Percentage of address space in use by end-sites: 83.0
Total number of prefixes smaller than registry allocations: 153858
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76763
Total APNIC prefixes after maximum aggregation: 26793
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 73765
Unique aggregates announced from the APNIC address blocks: 32510
APNIC Region origin ASes present in the Internet Routing Table: 4058
APNIC Prefixes per ASN: 18.18
APNIC Region origin ASes announcing only one prefix: 1117
APNIC Region transit ASes present in the Internet Routing Table: 631
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 520415296
Equivalent to 31 /8s, 4 /16s and 232 /24s
Percentage of available APNIC address space announced: 77.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 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, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 133846
Total ARIN prefixes after maximum aggregation: 68968
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 106717
Unique aggregates announced from the ARIN address blocks: 40936
ARIN Region origin ASes present in the Internet Routing Table: 13708
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 5275
ARIN Region transit ASes present in the Internet Routing Table: 1346
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 731494944
Equivalent to 43 /8s, 153 /16s and 186 /24s
Percentage of available ARIN address space announced: 62.3
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, 393216-394239
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, 50/8, 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, 107/8,
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: 74152
Total RIPE prefixes after maximum aggregation: 43043
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67101
Unique aggregates announced from the RIPE address blocks: 44072
RIPE Region origin ASes present in the Internet Routing Table: 14489
RIPE Prefixes per ASN: 4.63
RIPE Region origin ASes announcing only one prefix: 7467
RIPE Region transit ASes present in the Internet Routing Table: 2173
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 427875296
Equivalent to 25 /8s, 128 /16s and 219 /24s
Percentage of available RIPE address space announced: 75.0
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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 31/8, 46/8, 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, 176/8, 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: 28380
Total LACNIC prefixes after maximum aggregation: 6828
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 26790
Unique aggregates announced from the LACNIC address blocks: 14034
LACNIC Region origin ASes present in the Internet Routing Table: 1293
LACNIC Prefixes per ASN: 20.72
LACNIC Region origin ASes announcing only one prefix: 401
LACNIC Region transit ASes present in the Internet Routing Table: 226
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 73239040
Equivalent to 4 /8s, 93 /16s and 138 /24s
Percentage of available LACNIC address space announced: 72.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 7337
Total AfriNIC prefixes after maximum aggregation: 1853
AfriNIC Deaggregation factor: 3.96
Prefixes being announced from the AfriNIC address blocks: 5635
Unique aggregates announced from the AfriNIC address blocks: 1685
AfriNIC Region origin ASes present in the Internet Routing Table: 365
AfriNIC Prefixes per ASN: 15.44
AfriNIC Region origin ASes announcing only one prefix: 108
AfriNIC Region transit ASes present in the Internet Routing Table: 82
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC addresses announced to Internet: 18447104
Equivalent to 1 /8s, 25 /16s and 123 /24s
Percentage of available AfriNIC address space announced: 55.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 1847 8422 483 Korea Telecom (KIX)
17488 1315 140 127 Hathway IP Over Cable Interne
4755 1310 293 153 TATA Communications formerly
7545 1278 232 103 TPG Internet Pty Ltd
17974 1075 281 19 PT TELEKOMUNIKASI INDONESIA
9583 995 73 486 Sify Limited
24560 905 298 170 Bharti Airtel Ltd., Telemedia
4134 875 21259 406 CHINANET-BACKBONE
4808 845 1587 214 CNCGROUP IP network: China169
9829 797 681 34 BSNL National Internet Backbo
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 3922 3733 287 bellsouth.net, inc.
4323 3366 1116 404 Time Warner Telecom
1785 1785 699 130 PaeTec Communications, Inc.
7018 1530 5737 973 AT&T WorldNet Services
20115 1525 1498 653 Charter Communications
2386 1287 569 916 AT&T Data Communications Serv
6478 1252 257 97 AT&T Worldnet Services
3356 1186 10883 405 Level 3 Communications, LLC
22773 1155 2604 64 Cox Communications, Inc.
11492 1149 207 70 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
35805 628 56 6 United Telecom of Georgia
3292 454 2028 394 TDC Tele Danmark
30890 443 116 207 Evolva Telecom
702 415 1869 330 UUNET - Commercial IP service
8551 402 355 38 Bezeq International
8866 398 117 18 Bulgarian Telecommunication C
3301 367 1414 322 TeliaNet Sweden
3320 365 7072 318 Deutsche Telekom AG
34984 358 88 183 BILISIM TELEKOM
12479 337 576 5 Uni2 Autonomous System
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 1522 2965 245 UniNet S.A. de C.V.
10620 1044 235 152 TVCABLE BOGOTA
28573 883 723 77 NET Servicos de Comunicao S.A
7303 731 377 108 Telecom Argentina Stet-France
6503 584 173 209 AVANTEL, S.A.
22047 545 310 15 VTR PUNTO NET S.A.
7738 477 922 30 Telecomunicacoes da Bahia S.A
3816 474 204 74 Empresa Nacional de Telecomun
14117 455 30 13 Telefonica del Sur S.A.
11172 443 99 71 Servicios Alestra S.A de C.V
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 1255 445 10 TEDATA
24863 713 147 39 LINKdotNET AS number
36992 642 278 185 Etisalat MISR
3741 270 852 231 The Internet Solution
2018 216 231 112 Tertiary Education Network
33776 213 11 14 Starcomms Nigeria Limited
6713 176 167 12 Itissalat Al-MAGHRIB
24835 176 78 10 RAYA Telecom - Egypt
29571 172 19 9 Ci Telecom Autonomous system
29975 133 506 14 Vodacom
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 3922 3733 287 bellsouth.net, inc.
4323 3366 1116 404 Time Warner Telecom
4766 1847 8422 483 Korea Telecom (KIX)
1785 1785 699 130 PaeTec Communications, Inc.
7018 1530 5737 973 AT&T WorldNet Services
20115 1525 1498 653 Charter Communications
8151 1522 2965 245 UniNet S.A. de C.V.
17488 1315 140 127 Hathway IP Over Cable Interne
4755 1310 293 153 TATA Communications formerly
2386 1287 569 916 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3366 2962 Time Warner Telecom
1785 1785 1655 PaeTec Communications, Inc.
4766 1847 1364 Korea Telecom (KIX)
8151 1522 1277 UniNet S.A. de C.V.
8452 1255 1245 TEDATA
17488 1315 1188 Hathway IP Over Cable Interne
7545 1278 1175 TPG Internet Pty Ltd
4755 1310 1157 TATA Communications formerly
6478 1252 1155 AT&T Worldnet Services
22773 1155 1091 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 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 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
31.0.0.0/16 12654 RIPE NCC RIS Project
31.0.0.0/8 237 Merit Network
31.1.0.0/21 12654 RIPE NCC RIS Project
31.1.24.0/24 12654 RIPE NCC RIS Project
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
41.223.198.0/24 36990 Alkan Telecom Ltd
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 /8:21 /9:10 /10:26 /11:67 /12:194
/13:403 /14:693 /15:1275 /16:11077 /17:5277 /18:8986
/19:18277 /20:22548 /21:22613 /22:29510 /23:29196 /24:168205
/25:964 /26:1258 /27:629 /28:108 /29:10 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2513 3922 bellsouth.net, inc.
4323 1849 3366 Time Warner Telecom
4766 1479 1847 Korea Telecom (KIX)
1785 1249 1785 PaeTec Communications, Inc.
8452 1134 1255 TEDATA
11492 1063 1149 Cable One
17488 1063 1315 Hathway IP Over Cable Interne
18566 1040 1059 Covad Communications
10620 960 1044 TVCABLE BOGOTA
7018 921 1530 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:13 8:260 12:2012 13:10 14:1
15:23 16:3 17:8 20:21 24:1427 27:111
31:1 32:47 33:12 38:674 40:98 41:2474
44:3 47:26 52:8 55:6 56:2 57:24
58:729 59:503 60:456 61:1079 62:1066 63:1975
64:3628 65:2353 66:4240 67:1828 68:1112 69:2853
70:714 71:243 72:1820 73:2 74:2089 75:253
76:309 77:867 78:630 79:415 80:1009 81:801
82:480 83:447 84:689 85:1059 86:463 87:696
88:324 89:1556 90:90 91:2769 92:505 93:1116
94:1416 95:597 96:279 97:315 98:554 99:28
108:32 109:480 110:361 111:497 112:263 113:289
114:411 115:574 116:1035 117:643 118:444 119:930
120:142 121:742 122:1433 123:913 124:1103 125:1314
128:210 129:210 130:193 131:559 132:247 133:17
134:194 135:45 136:222 137:171 138:256 139:103
140:483 141:136 142:353 143:385 144:478 145:52
146:425 147:165 148:610 149:291 150:153 151:169
152:261 153:168 154:2 155:327 156:156 157:325
158:107 159:375 160:315 161:185 162:258 163:180
164:404 165:347 166:474 167:398 168:784 169:165
170:710 171:54 172:2 173:765 174:647 175:90
176:1 178:121 180:480 182:71 183:130 184:45
186:388 187:342 188:1344 189:785 190:3664 192:5744
193:4697 194:3359 195:2780 196:1205 197:1 198:3563
199:3408 200:5335 201:1507 202:7999 203:8306 204:4066
205:2338 206:2522 207:3036 208:3883 209:3409 210:2506
211:1243 212:1750 213:1684 214:654 215:69 216:4676
217:1534 218:488 219:378 220:1124 221:399 222:316
223:1
End of report
