Routing Table Report 04:00 +10GMT Fri 09 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 325321
Prefixes after maximum aggregation: 149566
Deaggregation factor: 2.18
Unique aggregates announced to Internet: 158922
Total ASes present in the Internet Routing Table: 34297
Prefixes per ASN: 9.49
Origin-only ASes present in the Internet Routing Table: 29775
Origin ASes announcing only one prefix: 14423
Transit ASes present in the Internet Routing Table: 4522
Transit-only ASes present in the Internet Routing Table: 107
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 300
Unregistered ASNs in the Routing Table: 115
Number of 32-bit ASNs allocated by the RIRs: 666
Prefixes from 32-bit ASNs in the Routing Table: 809
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 169
Number of addresses announced to Internet: 2254726944
Equivalent to 134 /8s, 100 /16s and 103 /24s
Percentage of available address space announced: 60.8
Percentage of allocated address space announced: 65.6
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.6
Total number of prefixes smaller than registry allocations: 155270
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78692
Total APNIC prefixes after maximum aggregation: 27026
APNIC Deaggregation factor: 2.91
Prefixes being announced from the APNIC address blocks: 75559
Unique aggregates announced from the APNIC address blocks: 33313
APNIC Region origin ASes present in the Internet Routing Table: 4107
APNIC Prefixes per ASN: 18.40
APNIC Region origin ASes announcing only one prefix: 1132
APNIC Region transit ASes present in the Internet Routing Table: 641
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 526457376
Equivalent to 31 /8s, 97 /16s and 26 /24s
Percentage of available APNIC address space announced: 78.4
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: 134628
Total ARIN prefixes after maximum aggregation: 69336
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107459
Unique aggregates announced from the ARIN address blocks: 41881
ARIN Region origin ASes present in the Internet Routing Table: 13769
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5284
ARIN Region transit ASes present in the Internet Routing Table: 1350
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 730742304
Equivalent to 43 /8s, 142 /16s and 62 /24s
Percentage of available ARIN address space announced: 62.2
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, 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: 74689
Total RIPE prefixes after maximum aggregation: 43295
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 67813
Unique aggregates announced from the RIPE address blocks: 44462
RIPE Region origin ASes present in the Internet Routing Table: 14565
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 7492
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: 433562144
Equivalent to 25 /8s, 215 /16s and 162 /24s
Percentage of available RIPE address space announced: 76.0
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: 28959
Total LACNIC prefixes after maximum aggregation: 6944
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 27441
Unique aggregates announced from the LACNIC address blocks: 14447
LACNIC Region origin ASes present in the Internet Routing Table: 1305
LACNIC Prefixes per ASN: 21.03
LACNIC Region origin ASes announcing only one prefix: 402
LACNIC Region transit ASes present in the Internet Routing Table: 229
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75337152
Equivalent to 4 /8s, 125 /16s and 141 /24s
Percentage of available LACNIC address space announced: 56.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 7298
Total AfriNIC prefixes after maximum aggregation: 1850
AfriNIC Deaggregation factor: 3.94
Prefixes being announced from the AfriNIC address blocks: 5626
Unique aggregates announced from the AfriNIC address blocks: 1722
AfriNIC Region origin ASes present in the Internet Routing Table: 373
AfriNIC Prefixes per ASN: 15.08
AfriNIC Region origin ASes announcing only one prefix: 113
AfriNIC Region transit ASes present in the Internet Routing Table: 81
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19591168
Equivalent to 1 /8s, 42 /16s and 240 /24s
Percentage of available AfriNIC address space announced: 58.4
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 1857 8425 493 Korea Telecom (KIX)
4755 1370 296 163 TATA Communications formerly
7545 1360 232 106 TPG Internet Pty Ltd
17488 1327 144 127 Hathway IP Over Cable Interne
17974 1156 285 29 PT TELEKOMUNIKASI INDONESIA
9583 998 74 488 Sify Limited
24560 926 305 168 Bharti Airtel Ltd., Telemedia
4134 870 21420 409 CHINANET-BACKBONE
4808 823 1575 218 CNCGROUP IP network: China169
9829 813 685 32 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 3905 3734 290 bellsouth.net, inc.
4323 2717 1114 394 Time Warner Telecom
19262 1827 4562 274 Verizon Global Networks
1785 1777 698 129 PaeTec Communications, Inc.
20115 1552 1522 655 Charter Communications
7018 1509 5735 961 AT&T WorldNet Services
6478 1283 258 125 AT&T Worldnet Services
2386 1280 568 904 AT&T Data Communications Serv
3356 1175 10877 405 Level 3 Communications, LLC
22773 1167 2859 65 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
35805 650 56 6 United Telecom of Georgia
3292 452 2027 393 TDC Tele Danmark
30890 442 111 207 Evolva Telecom
702 415 1870 327 UUNET - Commercial IP service
9198 408 202 13 Kazakhtelecom Data Network Ad
8866 402 117 18 Bulgarian Telecommunication C
8551 400 353 46 Bezeq International
3320 373 7329 324 Deutsche Telekom AG
3301 372 1414 327 TeliaNet Sweden
34984 359 89 185 BILISIM TELEKOM
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 1526 3001 246 UniNet S.A. de C.V.
10620 1066 238 150 TVCABLE BOGOTA
28573 1027 795 98 NET Servicos de Comunicao S.A
7303 761 390 103 Telecom Argentina Stet-France
6503 682 175 219 AVANTEL, S.A.
22047 548 310 15 VTR PUNTO NET S.A.
3816 497 215 86 Empresa Nacional de Telecomun
7738 477 922 30 Telecomunicacoes da Bahia S.A
14420 466 30 69 CORPORACION NACIONAL DE TELEC
11172 452 100 78 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 1164 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 646 279 185 Etisalat MISR
3741 267 834 229 The Internet Solution
33776 219 12 11 Starcomms Nigeria Limited
2018 206 228 60 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 191 78 10 RAYA Telecom - Egypt
29571 177 19 10 Ci Telecom Autonomous system
16637 161 440 96 MTN Network Solutions
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 3905 3734 290 bellsouth.net, inc.
4323 2717 1114 394 Time Warner Telecom
4766 1857 8425 493 Korea Telecom (KIX)
19262 1827 4562 274 Verizon Global Networks
1785 1777 698 129 PaeTec Communications, Inc.
20115 1552 1522 655 Charter Communications
8151 1526 3001 246 UniNet S.A. de C.V.
7018 1509 5735 961 AT&T WorldNet Services
4755 1370 296 163 TATA Communications formerly
7545 1360 232 106 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2717 2323 Time Warner Telecom
1785 1777 1648 PaeTec Communications, Inc.
19262 1827 1553 Verizon Global Networks
4766 1857 1364 Korea Telecom (KIX)
8151 1526 1280 UniNet S.A. de C.V.
7545 1360 1254 TPG Internet Pty Ltd
4755 1370 1207 TATA Communications formerly
17488 1327 1200 Hathway IP Over Cable Interne
6478 1283 1158 AT&T Worldnet Services
8452 1164 1154 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 12.39.155.0/24 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
31.1.0.0/21 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
41.223.189.0/24 6453 Teleglobe Inc.
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 /8:20 /9:10 /10:25 /11:68 /12:196
/13:407 /14:709 /15:1286 /16:11168 /17:5344 /18:9146
/19:18434 /20:22951 /21:22931 /22:30120 /23:29669 /24:169589
/25:1032 /26:1323 /27:714 /28:119 /29:47 /30:6
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2503 3905 bellsouth.net, inc.
4766 1485 1857 Korea Telecom (KIX)
4323 1392 2717 Time Warner Telecom
1785 1238 1777 PaeTec Communications, Inc.
11492 1074 1165 Cable One
17488 1072 1327 Hathway IP Over Cable Interne
18566 1068 1087 Covad Communications
8452 1052 1164 TEDATA
10620 982 1066 TVCABLE BOGOTA
7018 909 1509 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:7 2:2 4:13 8:288 12:2014 13:7
14:1 15:23 16:3 17:8 20:17 24:1459
27:239 31:1 32:49 33:12 38:680 40:98
41:2457 44:3 46:1 47:18 52:9 55:4
56:2 57:28 58:752 59:501 60:459 61:1086
62:1065 63:1976 64:3652 65:2360 66:4049 67:1811
68:1105 69:2856 70:721 71:380 72:1951 73:2
74:2267 75:250 76:313 77:945 78:616 79:435
80:975 81:798 82:488 83:443 84:684 85:1051
86:456 87:679 88:331 89:1553 90:94 91:2868
92:488 93:985 94:1398 95:639 96:353 97:206
98:576 99:31 108:100 109:558 110:365 111:542
112:270 113:316 114:429 115:566 116:1074 117:652
118:481 119:943 120:132 121:726 122:1461 123:933
124:1124 125:1317 128:226 129:201 130:196 131:553
132:251 133:17 134:196 135:45 136:240 137:159
138:264 139:104 140:483 141:198 142:345 143:376
144:467 145:50 146:449 147:168 148:665 149:300
150:151 151:230 152:298 153:169 154:2 155:327
156:159 157:322 158:109 159:379 160:315 161:181
162:254 163:172 164:408 165:366 166:462 167:412
168:650 169:157 170:714 171:59 172:2 173:883
174:454 175:136 176:1 178:272 180:516 182:150
183:235 184:106 186:490 187:389 188:1006 189:782
190:3768 192:5734 193:4704 194:3370 195:2804 196:1181
198:3574 199:3454 200:5332 201:1560 202:7958 203:8280
204:4068 205:2329 206:2522 207:3115 208:3872 209:3454
210:2531 211:1268 212:1696 213:1633 214:637 215:69
216:4665 217:1529 218:494 219:379 220:1141 221:400
222:316 223:1
End of report