Routing Table Report 08:00 +10GMT Sun 11 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 320997
Prefixes after maximum aggregation: 147976
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 158930
Total ASes present in the Internet Routing Table: 34175
Prefixes per ASN: 9.39
Origin-only ASes present in the Internet Routing Table: 29634
Origin ASes announcing only one prefix: 14425
Transit ASes present in the Internet Routing Table: 4541
Transit-only ASes present in the Internet Routing Table: 108
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 27
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 323
Unregistered ASNs in the Routing Table: 110
Number of 32-bit ASNs allocated by the RIRs: 679
Prefixes from 32-bit ASNs in the Routing Table: 815
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 157
Number of addresses announced to Internet: 2538469888
Equivalent to 151 /8s, 77 /16s and 250 /24s
Percentage of available address space announced: 68.5
Percentage of allocated address space announced: 73.8
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.7
Total number of prefixes smaller than registry allocations: 151368
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75314
Total APNIC prefixes after maximum aggregation: 25988
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 72957
Unique aggregates announced from the APNIC address blocks: 33277
APNIC Region origin ASes present in the Internet Routing Table: 4052
APNIC Prefixes per ASN: 18.01
APNIC Region origin ASes announcing only one prefix: 1149
APNIC Region transit ASes present in the Internet Routing Table: 621
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 526360064
Equivalent to 31 /8s, 95 /16s and 158 /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: 133167
Total ARIN prefixes after maximum aggregation: 68883
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 106509
Unique aggregates announced from the ARIN address blocks: 41888
ARIN Region origin ASes present in the Internet Routing Table: 13707
ARIN Prefixes per ASN: 7.77
ARIN Region origin ASes announcing only one prefix: 5268
ARIN Region transit ASes present in the Internet Routing Table: 1350
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 728637952
Equivalent to 43 /8s, 110 /16s and 34 /24s
Percentage of available ARIN address space announced: 62.0
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: 75216
Total RIPE prefixes after maximum aggregation: 43286
RIPE Deaggregation factor: 1.74
Prefixes being announced from the RIPE address blocks: 68307
Unique aggregates announced from the RIPE address blocks: 44440
RIPE Region origin ASes present in the Internet Routing Table: 14568
RIPE Prefixes per ASN: 4.69
RIPE Region origin ASes announcing only one prefix: 7492
RIPE Region transit ASes present in the Internet Routing Table: 2211
Average RIPE Region AS path length visible: 3.3
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 433723904
Equivalent to 25 /8s, 218 /16s and 26 /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: 28550
Total LACNIC prefixes after maximum aggregation: 6853
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 27169
Unique aggregates announced from the LACNIC address blocks: 14498
LACNIC Region origin ASes present in the Internet Routing Table: 1295
LACNIC Prefixes per ASN: 20.98
LACNIC Region origin ASes announcing only one prefix: 403
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: 75258880
Equivalent to 4 /8s, 124 /16s and 92 /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: 7270
Total AfriNIC prefixes after maximum aggregation: 1846
AfriNIC Deaggregation factor: 3.94
Prefixes being announced from the AfriNIC address blocks: 5561
Unique aggregates announced from the AfriNIC address blocks: 1762
AfriNIC Region origin ASes present in the Internet Routing Table: 374
AfriNIC Prefixes per ASN: 14.87
AfriNIC Region origin ASes announcing only one prefix: 113
AfriNIC Region transit ASes present in the Internet Routing Table: 80
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 19615488
Equivalent to 1 /8s, 43 /16s and 79 /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 1359 232 105 TPG Internet Pty Ltd
17488 1331 145 127 Hathway IP Over Cable Interne
4755 1307 296 157 TATA Communications formerly
17974 1142 285 28 PT TELEKOMUNIKASI INDONESIA
9583 1009 76 492 Sify Limited
24560 935 305 168 Bharti Airtel Ltd., Telemedia
4134 847 21420 409 CHINANET-BACKBONE
9829 812 685 32 BSNL National Internet Backbo
4808 761 1476 192 CNCGROUP IP network: China169
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 3901 3734 290 bellsouth.net, inc.
4323 2717 1114 394 Time Warner Telecom
19262 1828 4562 275 Verizon Global Networks
1785 1778 698 129 PaeTec Communications, Inc.
20115 1542 1520 654 Charter Communications
7018 1509 5735 961 AT&T WorldNet Services
6478 1278 257 149 AT&T Worldnet Services
2386 1276 552 908 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/london/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
9116 531 328 32 Goldenlines main autonomous s
3292 453 2027 394 TDC Tele Danmark
30890 442 111 207 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 1440 3016 238 UniNet S.A. de C.V.
10620 1071 239 148 TVCABLE BOGOTA
28573 1029 795 98 NET Servicos de Comunicao S.A
7303 735 389 92 Telecom Argentina Stet-France
6503 669 159 218 AVANTEL, S.A.
22047 548 310 15 VTR PUNTO NET S.A.
3816 499 217 86 Empresa Nacional de Telecomun
14420 488 31 70 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 1162 445 10 TEDATA
24863 723 146 36 LINKdotNET AS number
36992 649 279 185 Etisalat MISR
3741 267 834 229 The Internet Solution
2018 209 244 61 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 191 78 10 RAYA Telecom - Egypt
33776 179 11 12 Starcomms Nigeria Limited
29571 177 19 10 Ci Telecom Autonomous system
16637 171 441 101 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 3901 3734 290 bellsouth.net, inc.
4323 2717 1114 394 Time Warner Telecom
19262 1828 4562 275 Verizon Global Networks
1785 1778 698 129 PaeTec Communications, Inc.
4766 1698 8425 488 Korea Telecom (KIX)
20115 1542 1520 654 Charter Communications
7018 1509 5735 961 AT&T WorldNet Services
8151 1440 3016 238 UniNet S.A. de C.V.
7545 1359 232 105 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 1778 1649 PaeTec Communications, Inc.
19262 1828 1553 Verizon Global Networks
7545 1359 1254 TPG Internet Pty Ltd
4766 1698 1210 Korea Telecom (KIX)
17488 1331 1204 Hathway IP Over Cable Interne
8151 1440 1202 UniNet S.A. de C.V.
8452 1162 1152 TEDATA
4755 1307 1150 TATA Communications formerly
6478 1278 1129 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 /12:197
/13:406 /14:708 /15:1286 /16:11135 /17:5347 /18:9121
/19:18559 /20:22992 /21:22873 /22:29973 /23:29517 /24:168363
/25:10 /26:16 /27:25 /28:140 /29:75 /30:26
/31:0 /32:89
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2499 3901 bellsouth.net, inc.
4323 1391 2717 Time Warner Telecom
4766 1328 1698 Korea Telecom (KIX)
1785 1239 1778 PaeTec Communications, Inc.
17488 1076 1331 Hathway IP Over Cable Interne
11492 1074 1165 Cable One
8452 1050 1162 TEDATA
18566 1039 1058 Covad Communications
10620 987 1071 TVCABLE BOGOTA
7018 911 1509 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/london/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 15:22 16:3 17:8 20:6 24:1456
27:236 31:1 32:47 33:12 38:676 40:98
41:2404 44:3 46:1 47:18 52:9 55:3
56:2 57:36 58:664 59:499 60:457 61:1007
62:1069 63:1969 64:3629 65:2343 66:4038 67:1828
68:1107 69:2865 70:725 71:381 72:1961 73:2
74:2266 75:248 76:313 77:937 78:619 79:435
80:977 81:798 82:492 83:444 84:674 85:1051
86:455 87:695 88:331 89:1549 90:94 91:2873
92:487 93:989 94:1402 95:639 96:348 97:209
98:591 99:31 108:100 109:560 110:363 111:537
112:279 113:315 114:428 115:563 116:1074 117:643
118:481 119:946 120:130 121:699 122:1458 123:935
124:1109 125:1317 128:177 129:194 130:163 131:548
132:249 133:16 134:187 135:45 136:217 137:156
138:263 139:101 140:459 141:198 142:330 143:373
144:462 145:49 146:445 147:166 148:640 149:299
150:153 151:230 152:284 153:169 154:1 155:359
156:156 157:294 158:107 159:377 160:315 161:175
162:253 163:167 164:407 165:364 166:460 167:412
168:647 169:155 170:706 171:59 172:2 173:933
174:471 175:137 176:1 178:282 180:512 182:139
183:235 184:109 186:496 187:386 188:1013 189:779
190:3790 192:5678 193:4699 194:3377 195:2802 196:1194
198:3506 199:3427 200:5288 201:1557 202:7769 203:8186
204:4013 205:2304 206:2445 207:3040 208:3868 209:3425
210:2486 211:1261 212:1725 213:1643 214:633 215:69
216:4662 217:1533 218:489 219:373 220:1140 221:385
222:312 223:1
End of report