Routing Table Report 08:00 +10GMT Sun 04 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 320069
Prefixes after maximum aggregation: 147771
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 158681
Total ASes present in the Internet Routing Table: 34151
Prefixes per ASN: 9.37
Origin-only ASes present in the Internet Routing Table: 29609
Origin ASes announcing only one prefix: 14419
Transit ASes present in the Internet Routing Table: 4542
Transit-only ASes present in the Internet Routing Table: 110
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 27
Max AS path prepend of ASN (43120) 25
Prefixes from unregistered ASNs in the Routing Table: 293
Unregistered ASNs in the Routing Table: 111
Number of 32-bit ASNs allocated by the RIRs: 657
Prefixes from 32-bit ASNs in the Routing Table: 778
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 157
Number of addresses announced to Internet: 2538706432
Equivalent to 151 /8s, 81 /16s and 150 /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: 83.6
Total number of prefixes smaller than registry allocations: 151085
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75047
Total APNIC prefixes after maximum aggregation: 25987
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 72659
Unique aggregates announced from the APNIC address blocks: 33245
APNIC Region origin ASes present in the Internet Routing Table: 4052
APNIC Prefixes per ASN: 17.93
APNIC Region origin ASes announcing only one prefix: 1141
APNIC Region transit ASes present in the Internet Routing Table: 623
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 525605888
Equivalent to 31 /8s, 84 /16s and 28 /24s
Percentage of available APNIC address space announced: 78.3
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: 132900
Total ARIN prefixes after maximum aggregation: 68785
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 106226
Unique aggregates announced from the ARIN address blocks: 41832
ARIN Region origin ASes present in the Internet Routing Table: 13707
ARIN Prefixes per ASN: 7.75
ARIN Region origin ASes announcing only one prefix: 5287
ARIN Region transit ASes present in the Internet Routing Table: 1346
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 730518528
Equivalent to 43 /8s, 138 /16s and 212 /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: 75113
Total RIPE prefixes after maximum aggregation: 43294
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 68171
Unique aggregates announced from the RIPE address blocks: 44398
RIPE Region origin ASes present in the Internet Routing Table: 14546
RIPE Prefixes per ASN: 4.69
RIPE Region origin ASes announcing only one prefix: 7481
RIPE Region transit ASes present in the Internet Routing Table: 2202
Average RIPE Region AS path length visible: 3.3
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 432934912
Equivalent to 25 /8s, 206 /16s and 16 /24s
Percentage of available RIPE address space announced: 75.9
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: 28286
Total LACNIC prefixes after maximum aggregation: 6801
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 26926
Unique aggregates announced from the LACNIC address blocks: 14336
LACNIC Region origin ASes present in the Internet Routing Table: 1291
LACNIC Prefixes per ASN: 20.86
LACNIC Region origin ASes announcing only one prefix: 397
LACNIC Region transit ASes present in the Internet Routing Table: 222
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75095040
Equivalent to 4 /8s, 121 /16s and 220 /24s
Percentage of available LACNIC address space announced: 56.0
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: 7299
Total AfriNIC prefixes after maximum aggregation: 1845
AfriNIC Deaggregation factor: 3.96
Prefixes being announced from the AfriNIC address blocks: 5604
Unique aggregates announced from the AfriNIC address blocks: 1738
AfriNIC Region origin ASes present in the Internet Routing Table: 374
AfriNIC Prefixes per ASN: 14.98
AfriNIC Region origin ASes announcing only one prefix: 113
AfriNIC Region transit ASes present in the Internet Routing Table: 85
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 19539200
Equivalent to 1 /8s, 42 /16s and 37 /24s
Percentage of available AfriNIC address space announced: 58.2
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 1693 8423 482 Korea Telecom (KIX)
7545 1345 232 105 TPG Internet Pty Ltd
17488 1326 144 130 Hathway IP Over Cable Interne
4755 1317 295 155 TATA Communications formerly
17974 1141 285 29 PT TELEKOMUNIKASI INDONESIA
9583 994 73 487 Sify Limited
24560 927 307 171 Bharti Airtel Ltd., Telemedia
4134 846 21292 408 CHINANET-BACKBONE
9829 807 684 41 BSNL National Internet Backbo
4808 765 1473 189 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 3909 3734 291 bellsouth.net, inc.
4323 2715 1114 394 Time Warner Telecom
19262 1824 4562 274 Verizon Global Networks
1785 1777 698 129 PaeTec Communications, Inc.
20115 1561 1520 655 Charter Communications
7018 1503 5736 953 AT&T WorldNet Services
6478 1288 260 92 AT&T Worldnet Services
2386 1277 552 909 AT&T Data Communications Serv
3356 1176 10875 404 Level 3 Communications, LLC
22773 1165 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 648 56 6 United Telecom of Georgia
9116 529 328 32 Goldenlines main autonomous s
3292 453 2027 394 TDC Tele Danmark
30890 443 111 205 Evolva Telecom
702 414 1870 326 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 1393 3015 231 UniNet S.A. de C.V.
10620 1066 238 150 TVCABLE BOGOTA
28573 1023 791 97 NET Servicos de Comunicao S.A
7303 723 384 94 Telecom Argentina Stet-France
6503 657 159 211 AVANTEL, S.A.
22047 548 310 15 VTR PUNTO NET S.A.
3816 498 217 85 Empresa Nacional de Telecomun
7738 477 922 30 Telecomunicacoes da Bahia S.A
14420 462 29 65 ANDINATEL S.A.
11172 450 100 78 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 1152 445 10 TEDATA
24863 724 146 36 LINKdotNET AS number
36992 645 279 185 Etisalat MISR
3741 267 834 228 The Internet Solution
33776 219 12 11 Starcomms Nigeria Limited
2018 210 244 61 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 192 78 10 RAYA Telecom - Egypt
29571 176 19 10 Ci Telecom Autonomous system
16637 167 441 101 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 3909 3734 291 bellsouth.net, inc.
4323 2715 1114 394 Time Warner Telecom
19262 1824 4562 274 Verizon Global Networks
1785 1777 698 129 PaeTec Communications, Inc.
4766 1693 8423 482 Korea Telecom (KIX)
20115 1561 1520 655 Charter Communications
7018 1503 5736 953 AT&T WorldNet Services
8151 1393 3015 231 UniNet S.A. de C.V.
7545 1345 232 105 TPG Internet Pty Ltd
17488 1326 144 130 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 2715 2321 Time Warner Telecom
1785 1777 1648 PaeTec Communications, Inc.
19262 1824 1550 Verizon Global Networks
7545 1345 1240 TPG Internet Pty Ltd
4766 1693 1211 Korea Telecom (KIX)
17488 1326 1196 Hathway IP Over Cable Interne
6478 1288 1196 AT&T Worldnet Services
8151 1393 1162 UniNet S.A. de C.V.
4755 1317 1162 TATA Communications formerly
8452 1152 1142 TEDATA
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 /11:68 /12:197
/13:405 /14:707 /15:1286 /16:11124 /17:5326 /18:9105
/19:18520 /20:22843 /21:22810 /22:29830 /23:29488 /24:167900
/25:10 /26:16 /27:25 /28:144 /29:75 /30:25
/31:0 /32:93
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2506 3909 bellsouth.net, inc.
4323 1396 2715 Time Warner Telecom
4766 1326 1693 Korea Telecom (KIX)
1785 1239 1777 PaeTec Communications, Inc.
11492 1071 1161 Cable One
17488 1071 1326 Hathway IP Over Cable Interne
8452 1040 1152 TEDATA
18566 1039 1058 Covad Communications
10620 982 1066 TVCABLE BOGOTA
7018 910 1503 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:6 2:10 4:13 8:286 12:2012 13:7
14:1 15:23 16:3 17:8 20:17 24:1452
27:197 31:1 32:47 33:12 38:676 40:98
41:2433 44:3 47:15 52:9 55:5 56:2
57:33 58:662 59:499 60:457 61:1009 62:1056
63:1971 64:3632 65:2358 66:4028 67:1809 68:1105
69:2871 70:722 71:380 72:1953 73:2 74:2261
75:253 76:313 77:951 78:600 79:437 80:980
81:798 82:491 83:435 84:696 85:1053 86:454
87:693 88:342 89:1553 90:93 91:2835 92:487
93:983 94:1393 95:637 96:347 97:207 98:572
99:29 108:97 109:554 110:364 111:526 112:263
113:314 114:427 115:557 116:1066 117:650 118:483
119:944 120:128 121:714 122:1452 123:930 124:1109
125:1318 128:176 129:196 130:163 131:549 132:249
133:16 134:182 135:45 136:239 137:156 138:263
139:101 140:456 141:198 142:331 143:386 144:460
145:50 146:434 147:166 148:625 149:299 150:150
151:230 152:290 153:169 154:1 155:328 156:154
157:294 158:109 159:375 160:315 161:175 162:253
163:165 164:408 165:363 166:464 167:404 168:648
169:155 170:707 171:58 172:2 173:875 174:468
175:104 176:1 178:266 180:512 182:138 183:228
184:103 186:491 187:387 188:993 189:774 190:3732
192:5686 193:4704 194:3365 195:2802 196:1184 198:3505
199:3421 200:5243 201:1542 202:7795 203:8204 204:4010
205:2318 206:2439 207:3035 208:3866 209:3415 210:2482
211:1259 212:1717 213:1666 214:634 215:69 216:4634
217:1528 218:482 219:374 220:1128 221:381 222:310
223:1
End of report