Routing Table Report 04:00 +10GMT Thu 14 Jul, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 362772
Prefixes after maximum aggregation: 165232
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 180483
Total ASes present in the Internet Routing Table: 38162
Prefixes per ASN: 9.51
Origin-only ASes present in the Internet Routing Table: 31719
Origin ASes announcing only one prefix: 15254
Transit ASes present in the Internet Routing Table: 5194
Transit-only ASes present in the Internet Routing Table: 132
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 948
Unregistered ASNs in the Routing Table: 527
Number of 32-bit ASNs allocated by the RIRs: 1548
Number of 32-bit ASNs visible in the Routing Table: 1249
Prefixes from 32-bit ASNs in the Routing Table: 2903
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 120
Number of addresses announced to Internet: 2477229536
Equivalent to 147 /8s, 167 /16s and 133 /24s
Percentage of available address space announced: 66.8
Percentage of allocated address space announced: 66.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.1
Total number of prefixes smaller than registry allocations: 151319
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 90061
Total APNIC prefixes after maximum aggregation: 30251
APNIC Deaggregation factor: 2.98
Prefixes being announced from the APNIC address blocks: 86834
Unique aggregates announced from the APNIC address blocks: 37357
APNIC Region origin ASes present in the Internet Routing Table: 4509
APNIC Prefixes per ASN: 19.26
APNIC Region origin ASes announcing only one prefix: 1248
APNIC Region transit ASes present in the Internet Routing Table: 714
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 59
Number of APNIC addresses announced to Internet: 621635648
Equivalent to 37 /8s, 13 /16s and 104 /24s
Percentage of available APNIC address space announced: 78.8
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, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 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: 141498
Total ARIN prefixes after maximum aggregation: 73065
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113415
Unique aggregates announced from the ARIN address blocks: 46759
ARIN Region origin ASes present in the Internet Routing Table: 14471
ARIN Prefixes per ASN: 7.84
ARIN Region origin ASes announcing only one prefix: 5536
ARIN Region transit ASes present in the Internet Routing Table: 1525
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 13
Number of ARIN addresses announced to Internet: 803037824
Equivalent to 47 /8s, 221 /16s and 98 /24s
Percentage of available ARIN address space announced: 63.8
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, 23/8, 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,
53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 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: 86558
Total RIPE prefixes after maximum aggregation: 49179
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 79915
Unique aggregates announced from the RIPE address blocks: 52860
RIPE Region origin ASes present in the Internet Routing Table: 15804
RIPE Prefixes per ASN: 5.06
RIPE Region origin ASes announcing only one prefix: 7880
RIPE Region transit ASes present in the Internet Routing Table: 2503
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 913
Number of RIPE addresses announced to Internet: 479069696
Equivalent to 28 /8s, 142 /16s and 6 /24s
Percentage of available RIPE address space announced: 77.2
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, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 33323
Total LACNIC prefixes after maximum aggregation: 7570
LACNIC Deaggregation factor: 4.40
Prefixes being announced from the LACNIC address blocks: 32415
Unique aggregates announced from the LACNIC address blocks: 16958
LACNIC Region origin ASes present in the Internet Routing Table: 1477
LACNIC Prefixes per ASN: 21.95
LACNIC Region origin ASes announcing only one prefix: 443
LACNIC Region transit ASes present in the Internet Routing Table: 273
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 260
Number of LACNIC addresses announced to Internet: 85882368
Equivalent to 5 /8s, 30 /16s and 118 /24s
Percentage of available LACNIC address space announced: 56.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 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: 8211
Total AfriNIC prefixes after maximum aggregation: 1976
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 6503
Unique aggregates announced from the AfriNIC address blocks: 1993
AfriNIC Region origin ASes present in the Internet Routing Table: 470
AfriNIC Prefixes per ASN: 13.84
AfriNIC Region origin ASes announcing only one prefix: 147
AfriNIC Region transit ASes present in the Internet Routing Table: 104
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 24304384
Equivalent to 1 /8s, 114 /16s and 219 /24s
Percentage of available AfriNIC address space announced: 36.2
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2474 11060 942 Korea Telecom (KIX)
17974 1553 458 45 PT TELEKOMUNIKASI INDONESIA
7545 1552 301 84 TPG Internet Pty Ltd
4755 1501 635 170 TATA Communications formerly
24560 1154 336 187 Bharti Airtel Ltd., Telemedia
9829 1106 923 47 BSNL National Internet Backbo
9583 1063 78 504 Sify Limited
4808 1047 2092 299 CNCGROUP IP network: China169
17488 965 187 106 Hathway IP Over Cable Interne
18101 931 116 138 Reliance Infocom Ltd Internet
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3603 3819 243 bellsouth.net, inc.
18566 1913 365 241 Covad Communications
1785 1804 681 122 PaeTec Communications, Inc.
4323 1657 1082 400 Time Warner Telecom
20115 1594 1534 626 Charter Communications
19262 1429 4790 391 Verizon Global Networks
7018 1369 7069 893 AT&T WorldNet Services
22773 1350 2897 88 Cox Communications, Inc.
7029 1287 791 302 Windstream Communications Inc
2386 1260 520 907 AT&T Data Communications Serv
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
34984 536 106 184 BILISIM TELEKOM
6830 511 1780 316 UPC Distribution Services
3292 468 2077 403 TDC Tele Danmark
12479 458 593 7 Uni2 Autonomous System
20940 458 131 354 Akamai Technologies European
8866 448 133 25 Bulgarian Telecommunication C
29049 432 32 47 AzerSat LLC.
3320 423 8151 369 Deutsche Telekom AG
8551 404 354 44 Bezeq International
702 397 1803 310 UUNET - Commercial IP service
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 1543 282 158 TVCABLE BOGOTA
8151 1440 2746 353 UniNet S.A. de C.V.
28573 1276 995 78 NET Servicos de Comunicao S.A
7303 1009 512 177 Telecom Argentina Stet-France
6503 748 354 74 AVANTEL, S.A.
14420 690 55 84 CORPORACION NACIONAL DE TELEC
22047 576 322 17 VTR PUNTO NET S.A.
3816 533 230 97 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 508 53 53 Telconet S.A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 794 147 36 LINKdotNET AS number
8452 780 445 11 TEDATA
15475 513 74 8 Nile Online
36992 315 415 14 Etisalat MISR
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 227 13 5 Starcomms Nigeria Limited
24835 211 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system
16637 148 441 86 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3603 3819 243 bellsouth.net, inc.
23456 2903 705 1548 32-bit ASN transition
4766 2474 11060 942 Korea Telecom (KIX)
18566 1913 365 241 Covad Communications
1785 1804 681 122 PaeTec Communications, Inc.
4323 1657 1082 400 Time Warner Telecom
20115 1594 1534 626 Charter Communications
17974 1553 458 45 PT TELEKOMUNIKASI INDONESIA
7545 1552 301 84 TPG Internet Pty Ltd
10620 1543 282 158 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1804 1682 PaeTec Communications, Inc.
18566 1913 1672 Covad Communications
4766 2474 1532 Korea Telecom (KIX)
17974 1553 1508 PT TELEKOMUNIKASI INDONESIA
7545 1552 1468 TPG Internet Pty Ltd
10620 1543 1385 TVCABLE BOGOTA
23456 2903 1355 32-bit ASN transition
4755 1501 1331 TATA Communications formerly
22773 1350 1262 Cox Communications, Inc.
4323 1657 1257 Time Warner Telecom
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
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
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
Complete listing at http://thyme.rand.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 /9:12 /10:26 /11:80 /12:232
/13:464 /14:795 /15:1394 /16:11989 /17:5883 /18:9810
/19:19482 /20:25886 /21:26186 /22:34658 /23:33562 /24:188981
/25:1088 /26:1265 /27:734 /28:208 /29:9 /30:2
/31:0 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2220 3603 bellsouth.net, inc.
18566 1869 1913 Covad Communications
10620 1438 1543 TVCABLE BOGOTA
23456 1421 2903 32-bit ASN transition
11492 1088 1134 Cable One
6478 1054 1083 AT&T Worldnet Services
7011 1054 1156 Citizens Utilities
1785 1052 1804 PaeTec Communications, Inc.
7029 1034 1287 Windstream Communications Inc
22773 864 1350 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:326 2:48 4:16 5:1 6:3 8:336
12:1969 13:1 14:484 15:15 16:3 17:5
20:10 23:13 24:1677 27:817 31:493 32:64
33:4 34:2 36:4 38:743 40:103 41:2556
42:32 44:3 46:1040 47:3 49:199 50:469
52:13 54:2 55:5 56:2 57:35 58:858
59:478 60:386 61:1122 62:1036 63:1936 64:3955
65:2301 66:3882 67:1871 68:1088 69:3042 70:755
71:389 72:1884 74:2379 75:316 76:339 77:886
78:710 79:458 80:1118 81:842 82:501 83:454
84:691 85:1066 86:523 87:761 88:336 89:1533
90:224 91:3961 92:527 93:1052 94:1339 95:861
96:411 97:257 98:891 99:37 100:1 101:76
103:123 106:10 107:22 108:70 109:1028 110:620
111:709 112:304 113:398 114:550 115:674 116:961
117:664 118:825 119:1156 120:314 121:670 122:1600
123:977 124:1303 125:1233 128:246 129:172 130:169
131:577 132:111 133:21 134:213 135:48 136:216
137:137 138:299 139:116 140:480 141:243 142:403
143:417 144:482 145:55 146:451 147:211 148:682
149:248 150:162 151:189 152:341 153:182 154:4
155:397 156:199 157:354 158:138 159:450 160:313
161:201 162:308 163:164 164:504 165:362 166:530
167:432 168:736 169:154 170:850 171:78 172:1
173:1634 174:610 175:375 176:142 177:173 178:1001
180:882 181:23 182:490 183:225 184:345 185:1
186:1283 187:731 188:895 189:945 190:4857 192:5902
193:4976 194:3526 195:3029 196:1236 197:41 198:3568
199:3970 200:5504 201:1474 202:8427 203:8431 204:4230
205:2325 206:2667 207:2802 208:3967 209:3448 210:2695
211:1449 212:2102 213:1746 214:778 215:69 216:4934
217:1635 218:545 219:360 220:1202 221:496 222:333
223:216
End of report
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