Routing Table Report 08:00 +10GMT Wed 10 Aug, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 360666
Prefixes after maximum aggregation: 164065
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 181935
Total ASes present in the Internet Routing Table: 36944
Prefixes per ASN: 9.76
Origin-only ASes present in the Internet Routing Table: 31848
Origin ASes announcing only one prefix: 15339
Transit ASes present in the Internet Routing Table: 5096
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 34
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 2438
Unregistered ASNs in the Routing Table: 684
Number of 32-bit ASNs allocated by the RIRs: 1632
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 3041
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 115
Number of addresses announced to Internet: 2509104896
Equivalent to 149 /8s, 141 /16s and 231 /24s
Percentage of available address space announced: 67.7
Percentage of allocated address space announced: 67.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.2
Total number of prefixes smaller than registry allocations: 148964
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 87094
Total APNIC prefixes after maximum aggregation: 28961
APNIC Deaggregation factor: 3.01
Prefixes being announced from the APNIC address blocks: 84507
Unique aggregates announced from the APNIC address blocks: 37774
APNIC Region origin ASes present in the Internet Routing Table: 4484
APNIC Prefixes per ASN: 18.85
APNIC Region origin ASes announcing only one prefix: 1259
APNIC Region transit ASes present in the Internet Routing Table: 680
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 622708992
Equivalent to 37 /8s, 29 /16s and 201 /24s
Percentage of available APNIC address space announced: 79.0
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: 140805
Total ARIN prefixes after maximum aggregation: 72739
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112917
Unique aggregates announced from the ARIN address blocks: 46948
ARIN Region origin ASes present in the Internet Routing Table: 14482
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5578
ARIN Region transit ASes present in the Internet Routing Table: 1470
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 803325440
Equivalent to 47 /8s, 225 /16s and 198 /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: 87587
Total RIPE prefixes after maximum aggregation: 49516
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80885
Unique aggregates announced from the RIPE address blocks: 53214
RIPE Region origin ASes present in the Internet Routing Table: 15834
RIPE Prefixes per ASN: 5.11
RIPE Region origin ASes announcing only one prefix: 7902
RIPE Region transit ASes present in the Internet Routing Table: 2501
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 486971904
Equivalent to 29 /8s, 6 /16s and 154 /24s
Percentage of available RIPE address space announced: 78.4
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: 33234
Total LACNIC prefixes after maximum aggregation: 7505
LACNIC Deaggregation factor: 4.43
Prefixes being announced from the LACNIC address blocks: 32682
Unique aggregates announced from the LACNIC address blocks: 17240
LACNIC Region origin ASes present in the Internet Routing Table: 1480
LACNIC Prefixes per ASN: 22.08
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 266
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 87408640
Equivalent to 5 /8s, 53 /16s and 192 /24s
Percentage of available LACNIC address space announced: 57.9
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: 8202
Total AfriNIC prefixes after maximum aggregation: 1988
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6467
Unique aggregates announced from the AfriNIC address blocks: 2013
AfriNIC Region origin ASes present in the Internet Routing Table: 481
AfriNIC Prefixes per ASN: 13.44
AfriNIC Region origin ASes announcing only one prefix: 151
AfriNIC Region transit ASes present in the Internet Routing Table: 105
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 26899968
Equivalent to 1 /8s, 154 /16s and 118 /24s
Percentage of available AfriNIC address space announced: 40.1
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 1927 11037 642 Korea Telecom (KIX)
7545 1558 301 84 TPG Internet Pty Ltd
17974 1542 516 31 PT Telekomunikasi Indonesia
4755 1521 374 167 TATA Communications formerly
24560 1198 336 187 Bharti Airtel Ltd., Telemedia
9829 1113 929 42 National Internet Backbone
9583 1071 79 491 Sify Limited
7552 997 1062 11 Vietel Corporation
17488 988 191 124 Hathway IP Over Cable Interne
4808 952 2008 273 CNCGROUP IP network China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3588 3818 232 BellSouth.net Inc.
18566 1911 364 238 Covad Communications Co.
1785 1819 681 121 PaeTec Communications, Inc.
7029 1645 1031 210 Windstream Communications Inc
4323 1614 1098 400 tw telecom holdings, inc.
20115 1590 1538 623 Charter Communications
19262 1409 4788 395 Verizon Online LLC
22773 1404 2900 90 Cox Communications Inc.
7018 1368 7085 897 AT&T Services, Inc.
2386 1252 520 901 AT&T Data Communications Serv
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
9116 540 326 31 Goldenlines main autonomous s
34984 537 107 185 BILISIM TELEKOM
6830 510 1788 316 UPC Broadband
20940 471 134 364 Akamai Technologies European
3292 469 2080 404 TDC Data Networks
12479 456 593 7 France Telecom Espana SA
8866 453 133 26 Bulgarian Telecommunication C
29049 433 32 54 AzerSat LLC.
3320 423 8151 369 Deutsche Telekom AG
8551 405 355 38 Bezeq International
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 1566 289 164 Types of queries are: POCs, o
28573 1258 996 67 Types of queries are: POCs, o
8151 1256 2732 352 Uninet S.A. de C.V.
7303 1044 577 163 Telecom Argentina S.A.
14420 703 56 84 CORPORACION NACIONAL DE TELEC
6503 654 450 77 Axtel, S.A.B. de C.V.
22047 578 322 17 Types of queries are: POCs, o
3816 534 232 96 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
11172 512 101 91 Alestra, S. de R.L. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 803 147 41 LINKdotNET AS number
8452 663 445 11 TEDATA
15475 512 74 8 Nile Online
36992 306 415 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 261 519 14 Itissalat Al-MAGHRIB
15706 234 32 6 Sudatel Internet Exchange Aut
33776 229 13 8 Starcomms Nigeria Limited
24835 176 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3588 3818 232 BellSouth.net Inc.
23456 3041 731 1635 32-bit ASN transition
4766 1927 11037 642 Korea Telecom (KIX)
18566 1911 364 238 Covad Communications Co.
1785 1819 681 121 PaeTec Communications, Inc.
7029 1645 1031 210 Windstream Communications Inc
4323 1614 1098 400 tw telecom holdings, inc.
20115 1590 1538 623 Charter Communications
10620 1566 289 164 Types of queries are: POCs, o
7545 1558 301 84 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1819 1698 PaeTec Communications, Inc.
18566 1911 1673 Covad Communications Co.
17974 1542 1511 PT Telekomunikasi Indonesia
7545 1558 1474 TPG Internet Pty Ltd
7029 1645 1435 Windstream Communications Inc
23456 3041 1406 32-bit ASN transition
10620 1566 1402 Types of queries are: POCs, o
4755 1521 1354 TATA Communications formerly
22773 1404 1314 Cox Communications Inc.
4766 1927 1285 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings,
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.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 65535 Internet Assigned Numbers Aut
198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
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
62.61.221.0/24 24974 Tachyon Europe BV
Complete listing at http://thyme.rand.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 /8:21 /9:12 /10:27 /11:81 /12:234
/13:465 /14:799 /15:1411 /16:12016 /17:5876 /18:9830
/19:19595 /20:26388 /21:26338 /22:34801 /23:33713 /24:188540
/25:12 /26:20 /27:23 /28:159 /29:111 /30:61
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2215 3588 BellSouth.net Inc.
18566 1868 1911 Covad Communications Co.
23456 1481 3041 32-bit ASN transition
10620 1461 1566 Types of queries are: POCs, o
7029 1324 1645 Windstream Communications Inc
11492 1096 1142 CABLE ONE, INC.
7011 1058 1160 Frontier Communications of Am
1785 1054 1819 PaeTec Communications, Inc.
22773 903 1404 Cox Communications Inc.
30036 894 918 Mediacom Communications Corp
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:346 2:46 4:15 5:1 6:3 8:337
12:1960 13:1 14:491 15:15 16:3 17:5
20:10 23:19 24:1682 27:856 31:520 32:59
33:4 34:2 36:4 38:723 40:106 41:2504
42:39 44:3 46:1070 47:3 49:201 50:391
52:13 54:2 55:4 56:2 57:34 58:813
59:489 60:377 61:1025 62:1046 63:1925 64:3975
65:2298 66:3906 67:1908 68:1087 69:3042 70:774
71:373 72:1865 74:2426 75:328 76:341 77:862
78:705 79:480 80:1106 81:826 82:507 83:467
84:684 85:1071 86:522 87:835 88:337 89:1531
90:224 91:4009 92:527 93:1116 94:1333 95:874
96:415 97:265 98:917 99:37 101:74 103:187
106:79 107:30 108:72 109:1009 110:618 111:726
112:301 113:400 114:557 115:673 116:968 117:661
118:818 119:1167 120:209 121:658 122:1607 123:975
124:1340 125:1281 128:208 129:166 130:164 131:575
132:97 133:21 134:204 135:52 136:213 137:136
138:295 139:113 140:466 141:271 142:364 143:418
144:487 145:58 146:451 147:214 148:606 149:252
150:154 151:190 152:350 153:182 154:4 155:399
156:196 157:323 158:139 159:391 160:317 161:199
162:307 163:153 164:515 165:363 166:531 167:435
168:742 169:151 170:839 171:81 172:1 173:1644
174:620 175:380 176:164 177:210 178:1009 180:915
181:24 182:500 183:237 184:361 185:1 186:1358
187:696 188:900 189:898 190:5071 192:5877 193:4972
194:3506 195:3057 196:1198 197:114 198:3539 199:3979
200:5461 201:1472 202:8216 203:8387 204:4185 205:2294
206:2588 207:2726 208:3997 209:3387 210:2599 211:1401
212:2105 213:1759 214:794 215:70 216:4859 217:1610
218:522 219:343 220:1197 221:469 222:313 223:231
End of report
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