Routing Table Report 08:00 +10GMT Fri 02 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 320046
Prefixes after maximum aggregation: 147740
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 158648
Total ASes present in the Internet Routing Table: 34150
Prefixes per ASN: 9.37
Origin-only ASes present in the Internet Routing Table: 29615
Origin ASes announcing only one prefix: 14427
Transit ASes present in the Internet Routing Table: 4535
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: 291
Unregistered ASNs in the Routing Table: 110
Number of 32-bit ASNs allocated by the RIRs: 655
Prefixes from 32-bit ASNs in the Routing Table: 773
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 161
Number of addresses announced to Internet: 2539213056
Equivalent to 151 /8s, 89 /16s and 81 /24s
Percentage of available address space announced: 68.5
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: 83.6
Total number of prefixes smaller than registry allocations: 151090
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 74951
Total APNIC prefixes after maximum aggregation: 25988
APNIC Deaggregation factor: 2.88
Prefixes being announced from the APNIC address blocks: 72558
Unique aggregates announced from the APNIC address blocks: 33188
APNIC Region origin ASes present in the Internet Routing Table: 4049
APNIC Prefixes per ASN: 17.92
APNIC Region origin ASes announcing only one prefix: 1136
APNIC Region transit ASes present in the Internet Routing Table: 625
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 525595648
Equivalent to 31 /8s, 83 /16s and 244 /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: 132948
Total ARIN prefixes after maximum aggregation: 68766
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 106259
Unique aggregates announced from the ARIN address blocks: 41818
ARIN Region origin ASes present in the Internet Routing Table: 13702
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: 1344
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 730609408
Equivalent to 43 /8s, 140 /16s and 55 /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: 43284
RIPE Deaggregation factor: 1.74
Prefixes being announced from the RIPE address blocks: 68171
Unique aggregates announced from the RIPE address blocks: 44414
RIPE Region origin ASes present in the Internet Routing Table: 14548
RIPE Prefixes per ASN: 4.69
RIPE Region origin ASes announcing only one prefix: 7489
RIPE Region transit ASes present in the Internet Routing Table: 2196
Average RIPE Region AS path length visible: 3.3
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 432863744
Equivalent to 25 /8s, 204 /16s and 250 /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: 28334
Total LACNIC prefixes after maximum aggregation: 6813
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 26965
Unique aggregates announced from the LACNIC address blocks: 14360
LACNIC Region origin ASes present in the Internet Routing Table: 1296
LACNIC Prefixes per ASN: 20.81
LACNIC Region origin ASes announcing only one prefix: 403
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: 75178240
Equivalent to 4 /8s, 123 /16s and 33 /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: 7286
Total AfriNIC prefixes after maximum aggregation: 1841
AfriNIC Deaggregation factor: 3.96
Prefixes being announced from the AfriNIC address blocks: 5588
Unique aggregates announced from the AfriNIC address blocks: 1733
AfriNIC Region origin ASes present in the Internet Routing Table: 374
AfriNIC Prefixes per ASN: 14.94
AfriNIC Region origin ASes announcing only one prefix: 112
AfriNIC Region transit ASes present in the Internet Routing Table: 87
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 19532288
Equivalent to 1 /8s, 42 /16s and 10 /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 1343 232 104 TPG Internet Pty Ltd
17488 1322 140 131 Hathway IP Over Cable Interne
4755 1313 295 153 TATA Communications formerly
17974 1145 285 28 PT TELEKOMUNIKASI INDONESIA
9583 994 73 487 Sify Limited
24560 926 306 170 Bharti Airtel Ltd., Telemedia
4134 846 21292 408 CHINANET-BACKBONE
9829 810 684 41 BSNL National Internet Backbo
4808 767 1475 191 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 3915 3734 291 bellsouth.net, inc.
4323 2711 1114 394 Time Warner Telecom
19262 1825 4562 274 Verizon Global Networks
1785 1796 698 129 PaeTec Communications, Inc.
20115 1561 1520 655 Charter Communications
7018 1506 5736 955 AT&T WorldNet Services
6478 1289 260 91 AT&T Worldnet Services
2386 1277 552 909 AT&T Data Communications Serv
3356 1175 10875 404 Level 3 Communications, LLC
22773 1163 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 444 111 206 Evolva Telecom
702 409 1869 325 UUNET - Commercial IP service
9198 408 202 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 1434 3015 237 UniNet S.A. de C.V.
10620 1066 238 150 TVCABLE BOGOTA
28573 1019 790 97 NET Servicos de Comunicao S.A
7303 724 384 94 Telecom Argentina Stet-France
6503 667 175 216 AVANTEL, S.A.
22047 548 310 15 VTR PUNTO NET S.A.
3816 494 217 80 Empresa Nacional de Telecomun
7738 477 922 30 Telecomunicacoes da Bahia S.A
14420 471 33 69 ANDINATEL S.A.
11172 446 99 75 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 3915 3734 291 bellsouth.net, inc.
4323 2711 1114 394 Time Warner Telecom
19262 1825 4562 274 Verizon Global Networks
1785 1796 698 129 PaeTec Communications, Inc.
4766 1693 8423 482 Korea Telecom (KIX)
20115 1561 1520 655 Charter Communications
7018 1506 5736 955 AT&T WorldNet Services
8151 1434 3015 237 UniNet S.A. de C.V.
7545 1343 232 104 TPG Internet Pty Ltd
17488 1322 140 131 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 2711 2317 Time Warner Telecom
1785 1796 1667 PaeTec Communications, Inc.
19262 1825 1551 Verizon Global Networks
7545 1343 1239 TPG Internet Pty Ltd
4766 1693 1211 Korea Telecom (KIX)
6478 1289 1198 AT&T Worldnet Services
8151 1434 1197 UniNet S.A. de C.V.
17488 1322 1191 Hathway IP Over Cable Interne
4755 1313 1160 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 /14:706 /15:1284 /16:11133 /17:5336 /18:9113
/19:18537 /20:22852 /21:22791 /22:29814 /23:29472 /24:167880
/25:10 /26:16 /27:26 /28:144 /29:76 /30:25
/31:0 /32:89
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2507 3915 bellsouth.net, inc.
4323 1394 2711 Time Warner Telecom
4766 1326 1693 Korea Telecom (KIX)
1785 1258 1796 PaeTec Communications, Inc.
11492 1070 1160 Cable One
17488 1069 1322 Hathway IP Over Cable Interne
8452 1040 1152 TEDATA
18566 1040 1059 Covad Communications
10620 982 1066 TVCABLE BOGOTA
7018 913 1506 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 8:287 12:2008 13:7
14:1 15:23 16:3 17:8 20:17 24:1451
27:189 31:1 32:47 33:12 38:676 40:98
41:2428 44:3 47:18 52:9 55:4 56:2
57:33 58:659 59:498 60:457 61:1009 62:1060
63:1973 64:3635 65:2358 66:4033 67:1812 68:1106
69:2880 70:725 71:380 72:1952 73:2 74:2263
75:253 76:313 77:952 78:611 79:435 80:979
81:798 82:492 83:433 84:704 85:1054 86:456
87:693 88:342 89:1567 90:93 91:2850 92:488
93:982 94:1396 95:635 96:347 97:206 98:572
99:29 108:97 109:552 110:363 111:518 112:262
113:314 114:425 115:559 116:1065 117:651 118:465
119:947 120:125 121:715 122:1449 123:929 124:1110
125:1318 128:176 129:196 130:163 131:549 132:248
133:16 134:188 135:45 136:239 137:156 138:263
139:101 140:455 141:198 142:331 143:388 144:461
145:50 146:428 147:165 148:635 149:300 150:150
151:230 152:290 153:169 154:1 155:327 156:154
157:291 158:109 159:376 160:315 161:175 162:253
163:166 164:408 165:362 166:462 167:404 168:648
169:155 170:707 171:58 172:2 173:874 174:468
175:108 176:1 178:233 180:508 182:136 183:222
184:103 186:488 187:381 188:993 189:780 190:3732
192:5691 193:4703 194:3361 195:2793 196:1182 198:3504
199:3411 200:5284 201:1536 202:7799 203:8177 204:3999
205:2314 206:2444 207:3036 208:3857 209:3417 210:2474
211:1259 212:1713 213:1676 214:650 215:69 216:4636
217:1525 218:484 219:374 220:1129 221:382 222:310
223:1
End of report