Routing Table Report 04:00 +10GMT Tue 01 Jun, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 321283
Prefixes after maximum aggregation: 148460
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 156724
Total ASes present in the Internet Routing Table: 34095
Prefixes per ASN: 9.42
Origin-only ASes present in the Internet Routing Table: 29601
Origin ASes announcing only one prefix: 14362
Transit ASes present in the Internet Routing Table: 4494
Transit-only ASes present in the Internet Routing Table: 102
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 318
Unregistered ASNs in the Routing Table: 116
Number of 32-bit ASNs allocated by the RIRs: 595
Prefixes from 32-bit ASNs in the Routing Table: 674
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 163
Number of addresses announced to Internet: 2259365696
Equivalent to 134 /8s, 171 /16s and 47 /24s
Percentage of available address space announced: 61.0
Percentage of allocated address space announced: 66.4
Percentage of available address space allocated: 91.9
Percentage of address space in use by end-sites: 83.0
Total number of prefixes smaller than registry allocations: 153570
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76927
Total APNIC prefixes after maximum aggregation: 26776
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 73914
Unique aggregates announced from the APNIC address blocks: 32484
APNIC Region origin ASes present in the Internet Routing Table: 4060
APNIC Prefixes per ASN: 18.21
APNIC Region origin ASes announcing only one prefix: 1117
APNIC Region transit ASes present in the Internet Routing Table: 632
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 520705344
Equivalent to 31 /8s, 9 /16s and 85 /24s
Percentage of available APNIC address space announced: 77.6
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: 133858
Total ARIN prefixes after maximum aggregation: 68976
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 106732
Unique aggregates announced from the ARIN address blocks: 40975
ARIN Region origin ASes present in the Internet Routing Table: 13700
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 5266
ARIN Region transit ASes present in the Internet Routing Table: 1345
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 731609888
Equivalent to 43 /8s, 155 /16s and 123 /24s
Percentage of available ARIN address space announced: 62.3
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: 74206
Total RIPE prefixes after maximum aggregation: 43065
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67174
Unique aggregates announced from the RIPE address blocks: 44165
RIPE Region origin ASes present in the Internet Routing Table: 14500
RIPE Prefixes per ASN: 4.63
RIPE Region origin ASes announcing only one prefix: 7472
RIPE Region transit ASes present in the Internet Routing Table: 2162
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 428112096
Equivalent to 25 /8s, 132 /16s and 120 /24s
Percentage of available RIPE address space announced: 75.1
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: 28423
Total LACNIC prefixes after maximum aggregation: 6850
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 26843
Unique aggregates announced from the LACNIC address blocks: 14056
LACNIC Region origin ASes present in the Internet Routing Table: 1296
LACNIC Prefixes per ASN: 20.71
LACNIC Region origin ASes announcing only one prefix: 399
LACNIC Region transit ASes present in the Internet Routing Table: 225
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 73367296
Equivalent to 4 /8s, 95 /16s and 127 /24s
Percentage of available LACNIC address space announced: 72.9
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: 6974
Total AfriNIC prefixes after maximum aggregation: 1856
AfriNIC Deaggregation factor: 3.76
Prefixes being announced from the AfriNIC address blocks: 5266
Unique aggregates announced from the AfriNIC address blocks: 1666
AfriNIC Region origin ASes present in the Internet Routing Table: 365
AfriNIC Prefixes per ASN: 14.43
AfriNIC Region origin ASes announcing only one prefix: 108
AfriNIC Region transit ASes present in the Internet Routing Table: 83
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 18708992
Equivalent to 1 /8s, 29 /16s and 122 /24s
Percentage of available AfriNIC address space announced: 55.8
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 1848 8422 484 Korea Telecom (KIX)
17488 1315 140 123 Hathway IP Over Cable Interne
4755 1310 293 153 TATA Communications formerly
7545 1279 232 104 TPG Internet Pty Ltd
17974 1059 281 19 PT TELEKOMUNIKASI INDONESIA
9583 1002 74 491 Sify Limited
24560 907 306 171 Bharti Airtel Ltd., Telemedia
4134 874 21259 406 CHINANET-BACKBONE
4808 843 1571 213 CNCGROUP IP network: China169
9829 791 677 34 BSNL National Internet Backbo
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 3922 3733 287 bellsouth.net, inc.
4323 3367 1116 405 Time Warner Telecom
1785 1787 699 130 PaeTec Communications, Inc.
20115 1528 1498 656 Charter Communications
7018 1520 5735 970 AT&T WorldNet Services
2386 1283 568 912 AT&T Data Communications Serv
6478 1254 258 94 AT&T Worldnet Services
3356 1186 10882 404 Level 3 Communications, LLC
22773 1155 2604 64 Cox Communications, Inc.
11492 1149 207 70 Cable One
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
35805 628 56 6 United Telecom of Georgia
3292 454 2028 395 TDC Tele Danmark
30890 444 116 208 Evolva Telecom
702 413 1869 328 UUNET - Commercial IP service
8551 402 355 38 Bezeq International
8866 399 117 18 Bulgarian Telecommunication C
3301 368 1414 323 TeliaNet Sweden
3320 364 7072 317 Deutsche Telekom AG
34984 358 88 183 BILISIM TELEKOM
12479 333 576 5 Uni2 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 1523 2965 246 UniNet S.A. de C.V.
10620 1050 236 151 TVCABLE BOGOTA
28573 890 724 77 NET Servicos de Comunicao S.A
7303 731 377 109 Telecom Argentina Stet-France
6503 591 174 209 AVANTEL, S.A.
22047 545 310 15 VTR PUNTO NET S.A.
7738 477 922 30 Telecomunicacoes da Bahia S.A
3816 473 204 73 Empresa Nacional de Telecomun
14117 455 30 13 Telefonica del Sur S.A.
14420 451 29 70 ANDINATEL 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 854 445 10 TEDATA
24863 713 147 39 LINKdotNET AS number
36992 640 278 185 Etisalat MISR
3741 270 852 231 The Internet Solution
2018 217 231 112 Tertiary Education Network
33776 210 11 14 Starcomms Nigeria Limited
6713 176 167 12 Itissalat Al-MAGHRIB
24835 176 78 10 RAYA Telecom - Egypt
29571 174 19 9 Ci Telecom Autonomous system
29975 133 506 14 Vodacom
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 3922 3733 287 bellsouth.net, inc.
4323 3367 1116 405 Time Warner Telecom
4766 1848 8422 484 Korea Telecom (KIX)
1785 1787 699 130 PaeTec Communications, Inc.
20115 1528 1498 656 Charter Communications
8151 1523 2965 246 UniNet S.A. de C.V.
7018 1520 5735 970 AT&T WorldNet Services
17488 1315 140 123 Hathway IP Over Cable Interne
4755 1310 293 153 TATA Communications formerly
2386 1283 568 912 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 3367 2962 Time Warner Telecom
1785 1787 1657 PaeTec Communications, Inc.
4766 1848 1364 Korea Telecom (KIX)
8151 1523 1277 UniNet S.A. de C.V.
17488 1315 1192 Hathway IP Over Cable Interne
7545 1279 1175 TPG Internet Pty Ltd
6478 1254 1160 AT&T Worldnet Services
4755 1310 1157 TATA Communications formerly
22773 1155 1091 Cox Communications, Inc.
11492 1149 1079 Cable One
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 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 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
2.64.0.0/13 44034 RIPE Network Coordination Cen
31.0.0.0/16 12654 RIPE NCC RIS Project
31.0.0.0/8 237 Merit Network
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
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
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 /8:21 /9:10 /10:26 /11:67 /12:194
/13:404 /14:693 /15:1275 /16:11085 /17:5284 /18:8999
/19:18275 /20:22572 /21:22610 /22:29510 /23:29184 /24:168042
/25:968 /26:1260 /27:673 /28:106 /29:10 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2513 3922 bellsouth.net, inc.
4323 1850 3367 Time Warner Telecom
4766 1479 1848 Korea Telecom (KIX)
1785 1251 1787 PaeTec Communications, Inc.
11492 1063 1149 Cable One
17488 1062 1315 Hathway IP Over Cable Interne
18566 1040 1059 Covad Communications
10620 966 1050 TVCABLE BOGOTA
7018 915 1520 AT&T WorldNet Services
9583 854 1002 Sify Limited
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:13 8:263 12:2010 13:10 14:1
15:23 16:3 17:8 20:21 24:1417 27:111
31:1 32:47 33:12 38:670 40:98 41:2110
44:3 47:26 52:8 55:6 56:2 57:24
58:775 59:503 60:456 61:1081 62:1065 63:1971
64:3615 65:2345 66:4251 67:1831 68:1097 69:2863
70:714 71:243 72:1825 73:2 74:2101 75:253
76:309 77:864 78:637 79:419 80:996 81:797
82:476 83:444 84:698 85:1064 86:464 87:693
88:332 89:1541 90:90 91:2779 92:505 93:1096
94:1420 95:598 96:280 97:315 98:560 99:28
108:32 109:499 110:360 111:498 112:264 113:290
114:413 115:579 116:1034 117:644 118:455 119:934
120:142 121:738 122:1435 123:912 124:1105 125:1311
128:210 129:210 130:193 131:558 132:247 133:17
134:195 135:45 136:230 137:172 138:256 139:103
140:484 141:136 142:353 143:384 144:477 145:52
146:424 147:165 148:614 149:290 150:153 151:169
152:259 153:168 154:2 155:326 156:156 157:325
158:107 159:374 160:312 161:179 162:262 163:172
164:408 165:333 166:473 167:397 168:784 169:165
170:711 171:53 172:2 173:769 174:652 175:93
176:1 178:148 180:484 182:75 183:129 184:45
186:422 187:341 188:1341 189:791 190:3639 192:5744
193:4697 194:3361 195:2785 196:1220 198:3565 199:3428
200:5365 201:1517 202:8028 203:8298 204:4064 205:2332
206:2523 207:3042 208:3884 209:3408 210:2506 211:1245
212:1760 213:1691 214:654 215:69 216:4652 217:1535
218:487 219:380 220:1125 221:396 222:316 223:1
End of report