Routing Table Report 04:00 +10GMT Tue 10 Nov, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 301875
Prefixes after maximum aggregation: 141599
Deaggregation factor: 2.13
Unique aggregates announced to Internet: 149632
Total ASes present in the Internet Routing Table: 32632
Prefixes per ASN: 9.25
Origin-only ASes present in the Internet Routing Table: 28364
Origin ASes announcing only one prefix: 13821
Transit ASes present in the Internet Routing Table: 4268
Transit-only ASes present in the Internet Routing Table: 98
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 30
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 626
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 315
Prefixes from 32-bit ASNs in the Routing Table: 256
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 200
Number of addresses announced to Internet: 2132379104
Equivalent to 127 /8s, 25 /16s and 133 /24s
Percentage of available address space announced: 57.5
Percentage of allocated address space announced: 65.2
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.0
Total number of prefixes smaller than registry allocations: 144917
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 72124
Total APNIC prefixes after maximum aggregation: 25307
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 68653
Unique aggregates announced from the APNIC address blocks: 30400
APNIC Region origin ASes present in the Internet Routing Table: 3851
APNIC Prefixes per ASN: 17.83
APNIC Region origin ASes announcing only one prefix: 1048
APNIC Region transit ASes present in the Internet Routing Table: 587
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 470509088
Equivalent to 28 /8s, 11 /16s and 102 /24s
Percentage of available APNIC address space announced: 80.1
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 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, 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,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 127498
Total ARIN prefixes after maximum aggregation: 67229
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 101941
Unique aggregates announced from the ARIN address blocks: 38907
ARIN Region origin ASes present in the Internet Routing Table: 13334
ARIN Prefixes per ASN: 7.65
ARIN Region origin ASes announcing only one prefix: 5165
ARIN Region transit ASes present in the Internet Routing Table: 1316
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 714252800
Equivalent to 42 /8s, 146 /16s and 162 /24s
Percentage of available ARIN address space announced: 62.6
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, 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, 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: 69606
Total RIPE prefixes after maximum aggregation: 40816
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 62901
Unique aggregates announced from the RIPE address blocks: 42150
RIPE Region origin ASes present in the Internet Routing Table: 13726
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 7127
RIPE Region transit ASes present in the Internet Routing Table: 2055
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 403856064
Equivalent to 24 /8s, 18 /16s and 90 /24s
Percentage of available RIPE address space announced: 75.2
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, 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, 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: 26086
Total LACNIC prefixes after maximum aggregation: 6373
LACNIC Deaggregation factor: 4.09
Prefixes being announced from the LACNIC address blocks: 24396
Unique aggregates announced from the LACNIC address blocks: 13494
LACNIC Region origin ASes present in the Internet Routing Table: 1203
LACNIC Prefixes per ASN: 20.28
LACNIC Region origin ASes announcing only one prefix: 382
LACNIC Region transit ASes present in the Internet Routing Table: 200
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 30
Number of LACNIC addresses announced to Internet: 68093440
Equivalent to 4 /8s, 15 /16s and 6 /24s
Percentage of available LACNIC address space announced: 67.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 6075
Total AfriNIC prefixes after maximum aggregation: 1578
AfriNIC Deaggregation factor: 3.85
Prefixes being announced from the AfriNIC address blocks: 4433
Unique aggregates announced from the AfriNIC address blocks: 1588
AfriNIC Region origin ASes present in the Internet Routing Table: 333
AfriNIC Prefixes per ASN: 13.31
AfriNIC Region origin ASes announcing only one prefix: 99
AfriNIC Region transit ASes present in the Internet Routing Table: 67
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12977152
Equivalent to 0 /8s, 198 /16s and 4 /24s
Percentage of available AfriNIC address space announced: 38.7
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 1771 7505 456 Korea Telecom (KIX)
17488 1361 142 126 Hathway IP Over Cable Interne
4755 1273 293 147 TATA Communications formerly
9583 1054 83 558 Sify Limited
4134 1010 19185 393 CHINANET-BACKBONE
18101 976 204 33 Reliance Infocom Ltd Internet
7545 899 199 100 TPG Internet Pty Ltd
9829 853 665 21 BSNL National Internet Backbo
17974 827 252 104 PT TELEKOMUNIKASI INDONESIA
24560 795 291 171 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4258 3883 313 bellsouth.net, inc.
4323 3727 1054 399 Time Warner Telecom
1785 1785 715 140 PaeTec Communications, Inc.
7018 1576 5838 1044 AT&T WorldNet Services
20115 1486 1482 667 Charter Communications
6478 1317 269 426 AT&T Worldnet Services
2386 1305 638 942 AT&T Data Communications Serv
3356 1218 10964 440 Level 3 Communications, LLC
11492 1137 206 13 Cable One
22773 1102 2600 66 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
30890 516 98 209 Evolva Telecom
3292 448 1906 393 TDC Tele Danmark
702 416 1822 335 UUNET - Commercial IP service
9198 397 138 12 Kazakhtelecom Data Network Ad
35805 385 40 5 United Telecom of Georgia
8866 364 110 23 Bulgarian Telecommunication C
3320 354 7067 302 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 344 1412 302 TeliaNet Sweden
9121 318 1698 26 TTnet Autonomous System
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1556 2899 237 UniNet S.A. de C.V.
10620 1032 228 102 TVCABLE BOGOTA
28573 799 661 90 NET Servicos de Comunicao S.A
7303 662 349 95 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 473 308 59 Instituto Costarricense de El
11172 444 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 430 858 29 Telecomunicacoes da Bahia S.A
6471 422 96 31 ENTEL CHILE S.A.
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1046 188 7 TEDATA
24863 943 98 72 LINKdotNET AS number
3741 269 857 229 The Internet Solution
2018 194 188 117 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 145 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
20858 109 34 6 EgyNet
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4258 3883 313 bellsouth.net, inc.
4323 3727 1054 399 Time Warner Telecom
1785 1785 715 140 PaeTec Communications, Inc.
4766 1771 7505 456 Korea Telecom (KIX)
7018 1576 5838 1044 AT&T WorldNet Services
8151 1556 2899 237 UniNet S.A. de C.V.
20115 1486 1482 667 Charter Communications
17488 1361 142 126 Hathway IP Over Cable Interne
6478 1317 269 426 AT&T Worldnet Services
2386 1305 638 942 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3727 3328 Time Warner Telecom
1785 1785 1645 PaeTec Communications, Inc.
8151 1556 1319 UniNet S.A. de C.V.
4766 1771 1315 Korea Telecom (KIX)
17488 1361 1235 Hathway IP Over Cable Interne
4755 1273 1126 TATA Communications formerly
11492 1137 1124 Cable One
18566 1059 1049 Covad Communications
8452 1046 1039 TEDATA
22773 1102 1036 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
Complete listing at http://thyme.apnic.net/current/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 /8:20 /9:10 /10:25 /11:65 /12:177
/13:361 /14:639 /15:1216 /16:10733 /17:4948 /18:8500
/19:17550 /20:21219 /21:21197 /22:27461 /23:27302 /24:157589
/25:944 /26:1126 /27:562 /28:205 /29:10 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2784 4258 bellsouth.net, inc.
4323 2352 3727 Time Warner Telecom
4766 1436 1771 Korea Telecom (KIX)
1785 1249 1785 PaeTec Communications, Inc.
17488 1136 1361 Hathway IP Over Cable Interne
11492 1061 1137 Cable One
18566 1040 1059 Covad Communications
7018 947 1576 AT&T WorldNet Services
8452 946 1046 TEDATA
10620 937 1032 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:16 8:232 12:2139 13:8 15:22
16:3 17:5 20:36 24:1247 32:49 34:2
38:609 40:99 41:1812 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:23 58:629
59:613 60:443 61:986 62:967 63:1998 64:3669
65:2363 66:4085 67:1767 68:991 69:2794 70:591
71:153 72:1732 73:2 74:1982 75:182 76:361
77:858 78:581 79:377 80:938 81:817 82:481
83:441 84:541 85:1009 86:377 87:696 88:426
89:1506 90:52 91:2640 92:419 93:1185 94:1272
95:809 96:191 97:273 98:389 99:31 109:140
110:267 111:457 112:146 113:163 114:287 115:423
116:1005 117:589 118:350 119:791 120:127 121:703
122:1298 123:780 124:1054 125:1348 128:221 129:218
130:130 131:425 132:76 133:16 134:186 135:43
136:232 137:167 138:179 139:84 140:438 141:122
142:390 143:342 144:361 145:50 146:393 147:168
148:556 149:198 150:150 151:172 152:210 153:158
154:2 155:273 156:168 157:311 158:94 159:358
160:293 161:174 162:275 163:158 164:278 165:467
166:485 167:392 168:749 169:161 170:552 171:42
172:1 173:388 174:394 175:1 178:1 180:166
182:1 184:1 186:157 187:187 188:1262 189:622
190:3185 192:5740 193:4270 194:3324 195:2737 196:1167
198:3564 199:3361 200:5193 201:1355 202:7881 203:8225
204:3935 205:2141 206:2405 207:3010 208:3977 209:3433
210:2514 211:1145 212:1640 213:1623 214:189 215:40
216:4427 217:1337 218:471 219:436 220:1140 221:439
222:304
End of report