Routing Table Report 04:00 +10GMT Fri 02 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 324530
Prefixes after maximum aggregation: 149412
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 158822
Total ASes present in the Internet Routing Table: 34282
Prefixes per ASN: 9.47
Origin-only ASes present in the Internet Routing Table: 29765
Origin ASes announcing only one prefix: 14427
Transit ASes present in the Internet Routing Table: 4517
Transit-only ASes present in the Internet Routing Table: 106
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 267
Unregistered ASNs in the Routing Table: 113
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: 0
Prefixes being announced from unallocated address space: 161
Number of addresses announced to Internet: 2253185504
Equivalent to 134 /8s, 76 /16s and 225 /24s
Percentage of available address space announced: 60.8
Percentage of allocated address space announced: 65.5
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: 155066
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78368
Total APNIC prefixes after maximum aggregation: 27014
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 75204
Unique aggregates announced from the APNIC address blocks: 33252
APNIC Region origin ASes present in the Internet Routing Table: 4098
APNIC Prefixes per ASN: 18.35
APNIC Region origin ASes announcing only one prefix: 1124
APNIC Region transit ASes present in the Internet Routing Table: 642
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 525690912
Equivalent to 31 /8s, 85 /16s and 104 /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: 134582
Total ARIN prefixes after maximum aggregation: 69299
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107389
Unique aggregates announced from the ARIN address blocks: 41847
ARIN Region origin ASes present in the Internet Routing Table: 13762
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5284
ARIN Region transit ASes present in the Internet Routing Table: 1350
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 730643488
Equivalent to 43 /8s, 140 /16s and 188 /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: 74600
Total RIPE prefixes after maximum aggregation: 43291
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67722
Unique aggregates announced from the RIPE address blocks: 44442
RIPE Region origin ASes present in the Internet Routing Table: 14566
RIPE Prefixes per ASN: 4.65
RIPE Region origin ASes announcing only one prefix: 7507
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: 432818720
Equivalent to 25 /8s, 204 /16s and 74 /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: 28679
Total LACNIC prefixes after maximum aggregation: 6899
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 27167
Unique aggregates announced from the LACNIC address blocks: 14359
LACNIC Region origin ASes present in the Internet Routing Table: 1302
LACNIC Prefixes per ASN: 20.87
LACNIC Region origin ASes announcing only one prefix: 399
LACNIC Region transit ASes present in the Internet Routing Table: 230
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75208320
Equivalent to 4 /8s, 123 /16s and 150 /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: 7310
Total AfriNIC prefixes after maximum aggregation: 1859
AfriNIC Deaggregation factor: 3.93
Prefixes being announced from the AfriNIC address blocks: 5609
Unique aggregates announced from the AfriNIC address blocks: 1735
AfriNIC Region origin ASes present in the Internet Routing Table: 377
AfriNIC Prefixes per ASN: 14.88
AfriNIC Region origin ASes announcing only one prefix: 113
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: 19536640
Equivalent to 1 /8s, 42 /16s and 27 /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 1852 8423 487 Korea Telecom (KIX)
4755 1366 295 159 TATA Communications formerly
7545 1342 232 106 TPG Internet Pty Ltd
17488 1322 140 131 Hathway IP Over Cable Interne
17974 1150 285 28 PT TELEKOMUNIKASI INDONESIA
9583 994 73 487 Sify Limited
24560 926 306 170 Bharti Airtel Ltd., Telemedia
4134 876 21292 408 CHINANET-BACKBONE
4808 827 1572 216 CNCGROUP IP network: China169
9829 810 684 41 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 3914 3734 291 bellsouth.net, inc.
4323 2714 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 1510 5736 959 AT&T WorldNet Services
6478 1289 260 91 AT&T Worldnet Services
2386 1280 568 904 AT&T Data Communications Serv
3356 1175 10875 404 Level 3 Communications, LLC
22773 1164 2859 65 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
35805 648 56 6 United Telecom of Georgia
3292 452 2027 393 TDC Tele Danmark
30890 444 111 206 Evolva Telecom
702 410 1869 326 UUNET - Commercial IP service
9198 408 202 13 Kazakhtelecom Data Network Ad
8866 402 117 18 Bulgarian Telecommunication C
8551 400 353 46 Bezeq International
3320 373 7329 324 Deutsche Telekom AG
3301 372 1414 327 TeliaNet Sweden
34984 360 89 185 BILISIM TELEKOM
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 1520 3017 247 UniNet S.A. de C.V.
10620 1060 237 150 TVCABLE BOGOTA
28573 1017 790 96 NET Servicos de Comunicao S.A
7303 749 385 106 Telecom Argentina Stet-France
6503 676 175 216 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 470 32 70 ANDINATEL S.A.
11172 448 99 75 Servicios Alestra S.A de C.V
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 1152 445 10 TEDATA
24863 727 147 39 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
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 3914 3734 291 bellsouth.net, inc.
4323 2714 1114 394 Time Warner Telecom
4766 1852 8423 487 Korea Telecom (KIX)
19262 1825 4562 274 Verizon Global Networks
1785 1796 698 129 PaeTec Communications, Inc.
20115 1561 1520 655 Charter Communications
8151 1520 3017 247 UniNet S.A. de C.V.
7018 1510 5736 959 AT&T WorldNet Services
4755 1366 295 159 TATA Communications formerly
7545 1342 232 106 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2714 2320 Time Warner Telecom
1785 1796 1667 PaeTec Communications, Inc.
19262 1825 1551 Verizon Global Networks
4766 1852 1365 Korea Telecom (KIX)
8151 1520 1273 UniNet S.A. de C.V.
7545 1342 1236 TPG Internet Pty Ltd
4755 1366 1207 TATA Communications formerly
6478 1289 1198 AT&T Worldnet Services
17488 1322 1191 Hathway IP Over Cable Interne
8452 1152 1142 TEDATA
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
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/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 /11:68 /12:196
/13:406 /14:707 /15:1284 /16:11160 /17:5340 /18:9132
/19:18415 /20:22806 /21:22874 /22:29958 /23:29627 /24:169266
/25:1028 /26:1322 /27:709 /28:117 /29:47 /30:6
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2506 3914 bellsouth.net, inc.
4766 1483 1852 Korea Telecom (KIX)
4323 1396 2714 Time Warner Telecom
1785 1258 1796 PaeTec Communications, Inc.
11492 1069 1159 Cable One
17488 1069 1322 Hathway IP Over Cable Interne
18566 1069 1088 Covad Communications
8452 1040 1152 TEDATA
10620 976 1060 TVCABLE BOGOTA
7018 913 1510 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:6 2:8 4:13 8:287 12:2010 13:7
14:1 15:23 16:3 17:8 20:16 24:1453
27:192 31:1 32:48 33:12 38:679 40:98
41:2433 44:3 47:12 52:9 55:4 56:2
57:25 58:747 59:501 60:459 61:1089 62:1057
63:1976 64:3668 65:2361 66:4043 67:1813 68:1106
69:2868 70:725 71:380 72:1952 73:2 74:2256
75:253 76:313 77:952 78:612 79:437 80:978
81:797 82:489 83:433 84:702 85:1054 86:456
87:676 88:342 89:1568 90:93 91:2842 92:489
93:984 94:1400 95:634 96:352 97:206 98:573
99:29 108:97 109:555 110:362 111:525 112:268
113:315 114:427 115:563 116:1074 117:661 118:481
119:947 120:127 121:735 122:1452 123:930 124:1122
125:1319 128:226 129:202 130:196 131:555 132:250
133:17 134:197 135:45 136:241 137:159 138:264
139:104 140:479 141:198 142:346 143:391 144:469
145:50 146:438 147:167 148:656 149:301 150:150
151:230 152:302 153:169 154:2 155:328 156:157
157:318 158:109 159:378 160:316 161:181 162:254
163:176 164:408 165:364 166:463 167:404 168:654
169:157 170:713 171:58 172:2 173:874 174:452
175:109 176:1 178:228 180:513 182:148 183:222
184:102 186:486 187:383 188:989 189:778 190:3750
192:5744 193:4712 194:3361 195:2796 196:1181 198:3572
199:3451 200:5309 201:1491 202:7977 203:8275 204:4070
205:2339 206:2522 207:3109 208:3868 209:3452 210:2522
211:1265 212:1695 213:1675 214:652 215:69 216:4656
217:1523 218:493 219:379 220:1136 221:398 222:314
223:1
End of report