Routing Table Report 08:00 +10GMT Wed 14 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 320446
Prefixes after maximum aggregation: 148033
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 158769
Total ASes present in the Internet Routing Table: 34204
Prefixes per ASN: 9.37
Origin-only ASes present in the Internet Routing Table: 29660
Origin ASes announcing only one prefix: 14456
Transit ASes present in the Internet Routing Table: 4544
Transit-only ASes present in the Internet Routing Table: 106
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 25
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 313
Unregistered ASNs in the Routing Table: 111
Number of 32-bit ASNs allocated by the RIRs: 685
Prefixes from 32-bit ASNs in the Routing Table: 818
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 157
Number of addresses announced to Internet: 2541819136
Equivalent to 151 /8s, 129 /16s and 21 /24s
Percentage of available address space announced: 68.6
Percentage of allocated address space announced: 73.9
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.8
Total number of prefixes smaller than registry allocations: 150743
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75441
Total APNIC prefixes after maximum aggregation: 26009
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 73088
Unique aggregates announced from the APNIC address blocks: 33291
APNIC Region origin ASes present in the Internet Routing Table: 4052
APNIC Prefixes per ASN: 18.04
APNIC Region origin ASes announcing only one prefix: 1149
APNIC Region transit ASes present in the Internet Routing Table: 614
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 527908864
Equivalent to 31 /8s, 119 /16s and 64 /24s
Percentage of available APNIC address space announced: 78.7
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: 132520
Total ARIN prefixes after maximum aggregation: 68857
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 105862
Unique aggregates announced from the ARIN address blocks: 41932
ARIN Region origin ASes present in the Internet Routing Table: 13723
ARIN Prefixes per ASN: 7.71
ARIN Region origin ASes announcing only one prefix: 5288
ARIN Region transit ASes present in the Internet Routing Table: 1347
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 729672448
Equivalent to 43 /8s, 125 /16s and 235 /24s
Percentage of available ARIN address space announced: 62.1
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: 75139
Total RIPE prefixes after maximum aggregation: 43322
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 68289
Unique aggregates announced from the RIPE address blocks: 44452
RIPE Region origin ASes present in the Internet Routing Table: 14581
RIPE Prefixes per ASN: 4.68
RIPE Region origin ASes announcing only one prefix: 7495
RIPE Region transit ASes present in the Internet Routing Table: 2222
Average RIPE Region AS path length visible: 3.3
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 433910016
Equivalent to 25 /8s, 220 /16s and 241 /24s
Percentage of available RIPE address space announced: 76.1
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, 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: 28610
Total LACNIC prefixes after maximum aggregation: 6866
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 27231
Unique aggregates announced from the LACNIC address blocks: 14497
LACNIC Region origin ASes present in the Internet Routing Table: 1295
LACNIC Prefixes per ASN: 21.03
LACNIC Region origin ASes announcing only one prefix: 407
LACNIC Region transit ASes present in the Internet Routing Table: 220
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75469312
Equivalent to 4 /8s, 127 /16s and 146 /24s
Percentage of available LACNIC address space announced: 56.2
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: 7263
Total AfriNIC prefixes after maximum aggregation: 1858
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 5561
Unique aggregates announced from the AfriNIC address blocks: 1600
AfriNIC Region origin ASes present in the Internet Routing Table: 376
AfriNIC Prefixes per ASN: 14.79
AfriNIC Region origin ASes announcing only one prefix: 117
AfriNIC Region transit ASes present in the Internet Routing Table: 83
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC addresses announced to Internet: 19619328
Equivalent to 1 /8s, 43 /16s and 94 /24s
Percentage of available AfriNIC address space announced: 58.5
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 1698 8425 488 Korea Telecom (KIX)
7545 1369 232 106 TPG Internet Pty Ltd
17488 1331 145 127 Hathway IP Over Cable Interne
4755 1320 297 157 TATA Communications formerly
17974 1155 285 30 PT TELEKOMUNIKASI INDONESIA
9583 1000 74 485 Sify Limited
24560 948 305 177 Bharti Airtel Ltd., Telemedia
4134 849 21740 411 CHINANET-BACKBONE
4808 847 1476 191 CNCGROUP IP network: China169
9829 812 685 32 BSNL National Internet Backbo
Complete listing at http://thyme.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3896 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 1549 1523 652 Charter Communications
7018 1482 5735 958 AT&T WorldNet Services
6478 1276 257 156 AT&T Worldnet Services
2386 1275 552 905 AT&T Data Communications Serv
3356 1174 10881 406 Level 3 Communications, LLC
22773 1168 2859 65 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
35805 651 56 6 United Telecom of Georgia
9116 531 328 32 Goldenlines main autonomous s
3292 453 2027 394 TDC Tele Danmark
30890 441 111 207 Evolva Telecom
702 413 1869 325 UUNET - Commercial IP service
9198 409 202 13 Kazakhtelecom Data Network Ad
8551 402 355 38 Bezeq International
8866 402 117 18 Bulgarian Telecommunication C
3320 373 7329 324 Deutsche Telekom AG
3301 372 1414 327 TeliaNet Sweden
Complete listing at http://thyme.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1441 3036 239 UniNet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1034 796 99 NET Servicos de Comunicao S.A
7303 737 391 93 Telecom Argentina Stet-France
6503 672 177 219 AVANTEL, S.A.
22047 549 310 15 VTR PUNTO NET S.A.
3816 500 217 87 Empresa Nacional de Telecomun
14420 491 32 72 ANDINATEL S.A.
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 449 99 77 Servicios Alestra S.A de C.V
Complete listing at http://thyme.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1097 445 10 TEDATA
24863 723 146 36 LINKdotNET AS number
36992 651 279 186 Etisalat MISR
3741 267 834 229 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 209 244 61 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 172 441 100 MTN Network Solutions
Complete listing at http://thyme.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3896 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.
4766 1698 8425 488 Korea Telecom (KIX)
20115 1549 1523 652 Charter Communications
7018 1482 5735 958 AT&T WorldNet Services
8151 1441 3036 239 UniNet S.A. de C.V.
7545 1369 232 106 TPG Internet Pty Ltd
17488 1331 145 127 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/london/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
7545 1369 1263 TPG Internet Pty Ltd
4766 1698 1210 Korea Telecom (KIX)
17488 1331 1204 Hathway IP Over Cable Interne
8151 1441 1202 UniNet S.A. de C.V.
4755 1320 1163 TATA Communications formerly
17974 1155 1125 PT TELEKOMUNIKASI INDONESIA
6478 1276 1120 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 5.0.0.0/8 0 *
65333 PRIVATE 10.0.0.0/8 0 *
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
Complete listing at http://thyme.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 65333 Internet Assigned Numbers Aut
198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.apnic.net/london/data-dsua
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/london/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 /8:37 /9:10 /10:25 /11:67 /12:198
/13:406 /14:709 /15:1287 /16:11156 /17:5349 /18:9154
/19:18556 /20:23051 /21:22914 /22:29760 /23:29369 /24:168016
/25:10 /26:16 /27:26 /28:139 /29:73 /30:27
/31:0 /32:91
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2495 3896 bellsouth.net, inc.
4323 1391 2717 Time Warner Telecom
4766 1328 1698 Korea Telecom (KIX)
1785 1238 1777 PaeTec Communications, Inc.
17488 1076 1331 Hathway IP Over Cable Interne
11492 1073 1164 Cable One
18566 1039 1058 Covad Communications
8452 989 1097 TEDATA
10620 988 1072 TVCABLE BOGOTA
7018 885 1482 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:8 2:2 4:13 8:288 12:2014 13:7
14:1 15:22 16:3 17:8 20:6 24:1456
27:243 31:1 32:47 33:11 38:679 40:97
41:2381 44:3 46:2 47:18 52:9 55:5
56:2 57:36 58:664 59:498 60:457 61:1014
62:1034 63:1963 64:3647 65:2338 66:4042 67:1828
68:1106 69:2688 70:725 71:382 72:1946 73:2
74:2260 75:248 76:316 77:946 78:619 79:435
80:982 81:762 82:491 83:444 84:672 85:1051
86:455 87:694 88:331 89:1548 90:94 91:2876
92:489 93:994 94:1401 95:639 96:348 97:209
98:593 99:31 108:100 109:561 110:375 111:533
112:280 113:315 114:428 115:562 116:1070 117:634
118:481 119:931 120:131 121:703 122:1473 123:928
124:1104 125:1312 128:177 129:193 130:163 131:548
132:245 133:16 134:188 135:45 136:238 137:154
138:264 139:101 140:459 141:197 142:321 143:370
144:464 145:50 146:447 147:165 148:639 149:300
150:153 151:229 152:285 153:169 154:1 155:358
156:156 157:293 158:108 159:352 160:315 161:176
162:253 163:164 164:406 165:363 166:458 167:411
168:648 169:155 170:709 171:59 172:2 173:934
174:472 175:143 176:1 178:288 180:453 182:143
183:235 184:110 186:496 187:390 188:1008 189:782
190:3787 192:5674 193:4702 194:3395 195:2803 196:1193
198:3508 199:3419 200:5295 201:1561 202:7776 203:8190
204:4016 205:2295 206:2405 207:3045 208:3866 209:3419
210:2475 211:1267 212:1713 213:1635 214:634 215:68
216:4665 217:1532 218:488 219:380 220:1141 221:385
222:316 223:1
End of report