Routing Table Report 08:00 +10GMT Fri 05 Aug, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 360501
Prefixes after maximum aggregation: 163823
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 181368
Total ASes present in the Internet Routing Table: 36900
Prefixes per ASN: 9.77
Origin-only ASes present in the Internet Routing Table: 31824
Origin ASes announcing only one prefix: 15326
Transit ASes present in the Internet Routing Table: 5076
Transit-only ASes present in the Internet Routing Table: 130
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: 2399
Unregistered ASNs in the Routing Table: 665
Number of 32-bit ASNs allocated by the RIRs: 1618
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 3031
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 118
Number of addresses announced to Internet: 2506917120
Equivalent to 149 /8s, 108 /16s and 133 /24s
Percentage of available address space announced: 67.6
Percentage of allocated address space announced: 67.6
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: 148765
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 87138
Total APNIC prefixes after maximum aggregation: 28992
APNIC Deaggregation factor: 3.01
Prefixes being announced from the APNIC address blocks: 84527
Unique aggregates announced from the APNIC address blocks: 37754
APNIC Region origin ASes present in the Internet Routing Table: 4481
APNIC Prefixes per ASN: 18.86
APNIC Region origin ASes announcing only one prefix: 1256
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: 622612480
Equivalent to 37 /8s, 28 /16s and 80 /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: 140659
Total ARIN prefixes after maximum aggregation: 72683
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112830
Unique aggregates announced from the ARIN address blocks: 46807
ARIN Region origin ASes present in the Internet Routing Table: 14464
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5568
ARIN Region transit ASes present in the Internet Routing Table: 1463
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: 803686400
Equivalent to 47 /8s, 231 /16s and 72 /24s
Percentage of available ARIN address space announced: 63.9
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: 87336
Total RIPE prefixes after maximum aggregation: 49321
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80600
Unique aggregates announced from the RIPE address blocks: 52796
RIPE Region origin ASes present in the Internet Routing Table: 15816
RIPE Prefixes per ASN: 5.10
RIPE Region origin ASes announcing only one prefix: 7902
RIPE Region transit ASes present in the Internet Routing Table: 2490
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: 484509184
Equivalent to 28 /8s, 225 /16s and 6 /24s
Percentage of available RIPE address space announced: 78.1
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, 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: 33318
Total LACNIC prefixes after maximum aggregation: 7507
LACNIC Deaggregation factor: 4.44
Prefixes being announced from the LACNIC address blocks: 32741
Unique aggregates announced from the LACNIC address blocks: 17256
LACNIC Region origin ASes present in the Internet Routing Table: 1481
LACNIC Prefixes per ASN: 22.11
LACNIC Region origin ASes announcing only one prefix: 448
LACNIC Region transit ASes present in the Internet Routing Table: 263
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: 87419904
Equivalent to 5 /8s, 53 /16s and 236 /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: 8331
Total AfriNIC prefixes after maximum aggregation: 1988
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 6609
Unique aggregates announced from the AfriNIC address blocks: 2021
AfriNIC Region origin ASes present in the Internet Routing Table: 480
AfriNIC Prefixes per ASN: 13.77
AfriNIC Region origin ASes announcing only one prefix: 152
AfriNIC Region transit ASes present in the Internet Routing Table: 104
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: 26886144
Equivalent to 1 /8s, 154 /16s and 64 /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 1930 11038 644 Korea Telecom (KIX)
7545 1558 301 84 TPG Internet Pty Ltd
17974 1548 516 31 PT Telekomunikasi Indonesia
4755 1512 374 166 TATA Communications formerly
24560 1196 336 187 Bharti Airtel Ltd., Telemedia
9829 1111 929 42 National Internet Backbone
9583 1070 78 491 Sify Limited
7552 999 1062 11 Vietel Corporation
17488 976 187 121 Hathway IP Over Cable Interne
4808 954 2008 275 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 3582 3818 232 BellSouth.net Inc.
18566 1911 364 238 Covad Communications Co.
1785 1816 681 121 PaeTec Communications, Inc.
7029 1643 1031 210 Windstream Communications Inc
4323 1615 1098 401 tw telecom holdings, inc.
20115 1590 1538 623 Charter Communications
19262 1413 4792 392 Verizon Online LLC
22773 1404 2900 90 Cox Communications Inc.
7018 1367 7085 896 AT&T Services, Inc.
2386 1255 520 905 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 534 106 185 BILISIM TELEKOM
6830 510 1788 316 UPC Broadband
20940 470 134 363 Akamai Technologies European
3292 469 2080 404 TDC Data Networks
12479 456 593 7 France Telecom Espana SA
8866 454 133 26 Bulgarian Telecommunication C
29049 433 32 54 AzerSat LLC.
3320 424 8151 370 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 1569 289 163 Types of queries are: POCs, o
28573 1258 996 67 Types of queries are: POCs, o
8151 1255 2748 349 Uninet S.A. de C.V.
7303 1044 577 163 Telecom Argentina S.A.
6503 754 450 78 Axtel, S.A.B. de C.V.
14420 703 56 84 CORPORACION NACIONAL DE TELEC
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 513 101 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 801 147 40 LINKdotNET AS number
8452 797 445 11 TEDATA
15475 512 74 8 Nile Online
36992 306 415 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 260 519 14 Itissalat Al-MAGHRIB
15706 230 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 3582 3818 232 BellSouth.net Inc.
23456 3031 727 1623 32-bit ASN transition
4766 1930 11038 644 Korea Telecom (KIX)
18566 1911 364 238 Covad Communications Co.
1785 1816 681 121 PaeTec Communications, Inc.
7029 1643 1031 210 Windstream Communications Inc
4323 1615 1098 401 tw telecom holdings, inc.
20115 1590 1538 623 Charter Communications
10620 1569 289 163 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 1816 1695 PaeTec Communications, Inc.
18566 1911 1673 Covad Communications Co.
17974 1548 1517 PT Telekomunikasi Indonesia
7545 1558 1474 TPG Internet Pty Ltd
7029 1643 1433 Windstream Communications Inc
23456 3031 1408 32-bit ASN transition
10620 1569 1406 Types of queries are: POCs, o
4755 1512 1346 TATA Communications formerly
22773 1404 1314 Cox Communications Inc.
4766 1930 1286 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 /11:80 /12:234
/13:465 /14:799 /15:1410 /16:12025 /17:5894 /18:9870
/19:19606 /20:26367 /21:26301 /22:34757 /23:33630 /24:188500
/25:11 /26:20 /27:22 /28:153 /29:109 /30:58
/31:0 /32:130
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2209 3582 BellSouth.net Inc.
18566 1868 1911 Covad Communications Co.
23456 1489 3031 32-bit ASN transition
10620 1464 1569 Types of queries are: POCs, o
7029 1321 1643 Windstream Communications Inc
11492 1096 1142 CABLE ONE, INC.
7011 1058 1160 Frontier Communications of Am
1785 1052 1816 PaeTec Communications, Inc.
6478 931 959 AT&T Services, Inc.
22773 903 1404 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:347 2:47 4:15 5:1 6:3 8:339
12:1959 13:1 14:489 15:15 16:3 17:5
20:10 23:18 24:1676 27:859 31:515 32:59
33:4 34:2 36:4 38:722 40:106 41:2604
42:37 44:3 46:1066 47:3 49:201 50:382
52:13 54:2 55:3 56:2 57:34 58:823
59:487 60:376 61:1023 62:1059 63:1923 64:3967
65:2293 66:3896 67:1889 68:1092 69:3029 70:771
71:373 72:1865 74:2424 75:328 76:340 77:856
78:706 79:484 80:1121 81:833 82:506 83:468
84:683 85:1072 86:438 87:835 88:335 89:1456
90:224 91:3991 92:524 93:1121 94:1317 95:868
96:415 97:264 98:920 99:37 101:80 103:186
106:79 107:30 108:73 109:1035 110:614 111:718
112:300 113:403 114:558 115:670 116:971 117:662
118:813 119:1159 120:228 121:650 122:1605 123:984
124:1337 125:1282 128:208 129:165 130:161 131:572
132:94 133:21 134:206 135:52 136:213 137:136
138:296 139:113 140:461 141:271 142:364 143:418
144:485 145:57 146:450 147:213 148:612 149:251
150:148 151:190 152:344 153:182 154:4 155:400
156:196 157:324 158:139 159:391 160:316 161:197
162:307 163:153 164:514 165:363 166:532 167:433
168:740 169:151 170:837 171:81 172:1 173:1624
174:619 175:376 176:148 177:198 178:1009 180:905
181:26 182:496 183:235 184:359 185:1 186:1329
187:749 188:914 189:969 190:5044 192:5879 193:4974
194:3506 195:3060 196:1195 197:113 198:3533 199:3976
200:5478 201:1470 202:8215 203:8366 204:4178 205:2308
206:2587 207:2733 208:3982 209:3381 210:2619 211:1431
212:2104 213:1765 214:800 215:70 216:4869 217:1621
218:532 219:343 220:1196 221:487 222:311 223:237
End of report
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