Routing Table Report 08:00 +10GMT Thu 15 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 320478
Prefixes after maximum aggregation: 148150
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 158756
Total ASes present in the Internet Routing Table: 34207
Prefixes per ASN: 9.37
Origin-only ASes present in the Internet Routing Table: 29659
Origin ASes announcing only one prefix: 14443
Transit ASes present in the Internet Routing Table: 4548
Transit-only ASes present in the Internet Routing Table: 107
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: 816
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 157
Number of addresses announced to Internet: 2541263616
Equivalent to 151 /8s, 120 /16s and 155 /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: 150678
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75498
Total APNIC prefixes after maximum aggregation: 26034
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 73147
Unique aggregates announced from the APNIC address blocks: 33402
APNIC Region origin ASes present in the Internet Routing Table: 4057
APNIC Prefixes per ASN: 18.03
APNIC Region origin ASes announcing only one prefix: 1148
APNIC Region transit ASes present in the Internet Routing Table: 620
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 527995136
Equivalent to 31 /8s, 120 /16s and 145 /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: 132575
Total ARIN prefixes after maximum aggregation: 68917
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 105928
Unique aggregates announced from the ARIN address blocks: 41910
ARIN Region origin ASes present in the Internet Routing Table: 13722
ARIN Prefixes per ASN: 7.72
ARIN Region origin ASes announcing only one prefix: 5282
ARIN Region transit ASes present in the Internet Routing Table: 1349
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 729662208
Equivalent to 43 /8s, 125 /16s and 195 /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: 75120
Total RIPE prefixes after maximum aggregation: 43343
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 68255
Unique aggregates announced from the RIPE address blocks: 44356
RIPE Region origin ASes present in the Internet Routing Table: 14580
RIPE Prefixes per ASN: 4.68
RIPE Region origin ASes announcing only one prefix: 7489
RIPE Region transit ASes present in the Internet Routing Table: 2216
Average RIPE Region AS path length visible: 3.3
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 433451776
Equivalent to 25 /8s, 213 /16s and 243 /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: 28590
Total LACNIC prefixes after maximum aggregation: 6885
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 27209
Unique aggregates announced from the LACNIC address blocks: 14475
LACNIC Region origin ASes present in the Internet Routing Table: 1295
LACNIC Prefixes per ASN: 21.01
LACNIC Region origin ASes announcing only one prefix: 407
LACNIC Region transit ASes present in the Internet Routing Table: 223
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75409152
Equivalent to 4 /8s, 126 /16s and 167 /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: 7221
Total AfriNIC prefixes after maximum aggregation: 1856
AfriNIC Deaggregation factor: 3.89
Prefixes being announced from the AfriNIC address blocks: 5515
Unique aggregates announced from the AfriNIC address blocks: 1598
AfriNIC Region origin ASes present in the Internet Routing Table: 375
AfriNIC Prefixes per ASN: 14.71
AfriNIC Region origin ASes announcing only one prefix: 117
AfriNIC Region transit ASes present in the Internet Routing Table: 81
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19617280
Equivalent to 1 /8s, 43 /16s and 86 /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 1696 8425 488 Korea Telecom (KIX)
7545 1376 232 106 TPG Internet Pty Ltd
17488 1333 145 127 Hathway IP Over Cable Interne
4755 1321 297 157 TATA Communications formerly
17974 1154 284 54 PT TELEKOMUNIKASI INDONESIA
9583 1000 74 485 Sify Limited
24560 954 305 178 Bharti Airtel Ltd., Telemedia
4134 849 21740 411 CHINANET-BACKBONE
4808 848 1476 191 CNCGROUP IP network: China169
9829 813 685 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 3895 3734 290 bellsouth.net, inc.
4323 2717 1114 394 Time Warner Telecom
19262 1827 4562 274 Verizon Global Networks
1785 1779 698 129 PaeTec Communications, Inc.
20115 1548 1524 653 Charter Communications
7018 1483 5735 959 AT&T WorldNet Services
2386 1281 552 910 AT&T Data Communications Serv
6478 1259 253 199 AT&T Worldnet Services
22773 1169 2859 65 Cox Communications, Inc.
11492 1165 209 72 Cable One
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 652 56 6 United Telecom of Georgia
9116 531 328 32 Goldenlines main autonomous s
9198 498 202 13 Kazakhtelecom Data Network Ad
3292 453 2027 394 TDC Tele Danmark
30890 441 111 207 Evolva Telecom
702 413 1869 325 UUNET - Commercial IP service
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 1442 3033 240 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 550 310 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 1100 445 10 TEDATA
24863 723 146 36 LINKdotNET AS number
36992 650 279 185 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 189 78 9 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 3895 3734 290 bellsouth.net, inc.
4323 2717 1114 394 Time Warner Telecom
19262 1827 4562 274 Verizon Global Networks
1785 1779 698 129 PaeTec Communications, Inc.
4766 1696 8425 488 Korea Telecom (KIX)
20115 1548 1524 653 Charter Communications
7018 1483 5735 959 AT&T WorldNet Services
8151 1442 3033 240 UniNet S.A. de C.V.
7545 1376 232 106 TPG Internet Pty Ltd
17488 1333 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 1779 1650 PaeTec Communications, Inc.
19262 1827 1553 Verizon Global Networks
7545 1376 1270 TPG Internet Pty Ltd
4766 1696 1208 Korea Telecom (KIX)
17488 1333 1206 Hathway IP Over Cable Interne
8151 1442 1202 UniNet S.A. de C.V.
4755 1321 1164 TATA Communications formerly
22773 1169 1104 Cox Communications, Inc.
17974 1154 1100 PT TELEKOMUNIKASI INDONESIA
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 /16:11150 /17:5328 /18:9152
/19:18558 /20:23065 /21:22904 /22:29776 /23:29385 /24:168036
/25:10 /26:16 /27:26 /28:143 /29:75 /30:27
/31:0 /32:88
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2494 3895 bellsouth.net, inc.
4323 1391 2717 Time Warner Telecom
4766 1326 1696 Korea Telecom (KIX)
1785 1240 1779 PaeTec Communications, Inc.
17488 1078 1333 Hathway IP Over Cable Interne
11492 1074 1165 Cable One
18566 1039 1058 Covad Communications
8452 992 1100 TEDATA
10620 988 1072 TVCABLE BOGOTA
7018 885 1483 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 12:2019 13:7
14:1 15:22 16:3 17:8 20:6 24:1461
27:244 31:1 32:47 33:12 38:680 40:97
41:2343 44:3 46:2 47:17 52:9 55:4
56:2 57:36 58:664 59:499 60:459 61:1013
62:1037 63:1968 64:3648 65:2346 66:4038 67:1827
68:1106 69:2690 70:722 71:384 72:1949 73:2
74:2267 75:248 76:316 77:873 78:612 79:433
80:977 81:764 82:494 83:444 84:671 85:1051
86:453 87:694 88:341 89:1554 90:94 91:2873
92:500 93:995 94:1404 95:646 96:349 97:211
98:601 99:31 108:100 109:565 110:382 111:535
112:280 113:316 114:431 115:563 116:1070 117:641
118:482 119:881 120:129 121:702 122:1478 123:938
124:1103 125:1319 128:177 129:192 130:163 131:549
132:245 133:16 134:187 135:45 136:232 137:152
138:264 139:101 140:459 141:197 142:321 143:369
144:464 145:50 146:446 147:165 148:641 149:300
150:153 151:229 152:286 153:169 154:1 155:358
156:157 157:293 158:108 159:353 160:315 161:176
162:253 163:167 164:405 165:363 166:458 167:414
168:647 169:155 170:709 171:59 172:2 173:939
174:473 175:145 176:1 178:289 180:513 182:142
183:235 184:110 186:499 187:391 188:1008 189:765
190:3787 192:5679 193:4702 194:3396 195:2803 196:1193
198:3517 199:3420 200:5286 201:1562 202:7779 203:8184
204:4015 205:2295 206:2407 207:3044 208:3867 209:3422
210:2485 211:1265 212:1719 213:1631 214:632 215:69
216:4663 217:1531 218:490 219:380 220:1142 221:385
222:312 223:1
End of report