Routing Table Report 08:00 +10GMT Mon 11 Jul, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 357420
Prefixes after maximum aggregation: 162972
Deaggregation factor: 2.19
Unique aggregates announced to Internet: 179935
Total ASes present in the Internet Routing Table: 36720
Prefixes per ASN: 9.73
Origin-only ASes present in the Internet Routing Table: 31673
Origin ASes announcing only one prefix: 15265
Transit ASes present in the Internet Routing Table: 5047
Transit-only ASes present in the Internet Routing Table: 121
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 30
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 2309
Unregistered ASNs in the Routing Table: 600
Number of 32-bit ASNs allocated by the RIRs: 1539
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 2869
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 117
Number of addresses announced to Internet: 2493013248
Equivalent to 148 /8s, 152 /16s and 93 /24s
Percentage of available address space announced: 67.3
Percentage of allocated address space announced: 67.3
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: 147504
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 85798
Total APNIC prefixes after maximum aggregation: 28927
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 83511
Unique aggregates announced from the APNIC address blocks: 37091
APNIC Region origin ASes present in the Internet Routing Table: 4447
APNIC Prefixes per ASN: 18.78
APNIC Region origin ASes announcing only one prefix: 1262
APNIC Region transit ASes present in the Internet Routing Table: 677
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 619884032
Equivalent to 36 /8s, 242 /16s and 174 /24s
Percentage of available APNIC address space announced: 78.6
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, 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: 140152
Total ARIN prefixes after maximum aggregation: 72291
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112426
Unique aggregates announced from the ARIN address blocks: 46638
ARIN Region origin ASes present in the Internet Routing Table: 14385
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5513
ARIN Region transit ASes present in the Internet Routing Table: 1457
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 802893056
Equivalent to 47 /8s, 219 /16s and 45 /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: 86921
Total RIPE prefixes after maximum aggregation: 49069
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80308
Unique aggregates announced from the RIPE address blocks: 52812
RIPE Region origin ASes present in the Internet Routing Table: 15786
RIPE Prefixes per ASN: 5.09
RIPE Region origin ASes announcing only one prefix: 7891
RIPE Region transit ASes present in the Internet Routing Table: 2478
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 478906880
Equivalent to 28 /8s, 139 /16s and 138 /24s
Percentage of available RIPE address space announced: 77.1
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: 32674
Total LACNIC prefixes after maximum aggregation: 7492
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 32137
Unique aggregates announced from the LACNIC address blocks: 16940
LACNIC Region origin ASes present in the Internet Routing Table: 1465
LACNIC Prefixes per ASN: 21.94
LACNIC Region origin ASes announcing only one prefix: 451
LACNIC Region transit ASes present in the Internet Routing Table: 253
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: 85838592
Equivalent to 5 /8s, 29 /16s and 203 /24s
Percentage of available LACNIC address space announced: 56.8
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: 8273
Total AfriNIC prefixes after maximum aggregation: 2017
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 6403
Unique aggregates announced from the AfriNIC address blocks: 1957
AfriNIC Region origin ASes present in the Internet Routing Table: 466
AfriNIC Prefixes per ASN: 13.74
AfriNIC Region origin ASes announcing only one prefix: 148
AfriNIC Region transit ASes present in the Internet Routing Table: 104
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 24320512
Equivalent to 1 /8s, 115 /16s and 26 /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 1910 11036 633 Korea Telecom (KIX)
7545 1546 301 84 TPG Internet Pty Ltd
17974 1542 461 41 PT Telekomunikasi Indonesia
4755 1493 375 169 TATA Communications formerly
24560 1154 336 187 Bharti Airtel Ltd., Telemedia
9829 1105 922 46 National Internet Backbone
9583 1060 78 505 Sify Limited
17488 962 186 105 Hathway IP Over Cable Interne
4808 948 2007 276 CNCGROUP IP network China169
18101 933 116 139 Reliance Infocom Ltd Internet
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 3605 3819 245 BellSouth.net Inc.
18566 1912 365 240 Covad Communications Co.
1785 1807 681 122 PaeTec Communications, Inc.
4323 1656 1098 401 tw telecom holdings, inc.
20115 1593 1532 632 Charter Communications
19262 1429 4778 392 Verizon Online LLC
7029 1385 1031 208 Windstream Communications Inc
7018 1381 7102 906 AT&T Services, Inc.
22773 1349 2897 88 Cox Communications Inc.
6478 1346 251 618 AT&T Services, Inc.
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 536 106 184 BILISIM TELEKOM
6830 511 1780 317 UPC Broadband
20940 460 132 355 Akamai Technologies European
12479 454 593 7 France Telecom Espana SA
8866 447 133 25 Bulgarian Telecommunication C
3292 442 2059 382 TDC Data Networks
29049 441 33 45 AzerSat LLC.
3320 421 8151 368 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 1543 282 158 Types of queries are: POCs, o
28573 1258 995 78 Types of queries are: POCs, o
8151 1253 2728 350 Uninet S.A. de C.V.
7303 980 511 166 Telecom Argentina S.A.
6503 736 354 74 Axtel, S.A.B. de C.V.
14420 689 55 83 CORPORACION NACIONAL DE TELEC
22047 576 322 17 Types of queries are: POCs, o
3816 535 230 96 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 498 54 48 Telconet S.A
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 785 147 34 LINKdotNET AS number
8452 778 445 11 TEDATA
15475 514 74 8 Nile Online
36992 314 415 14 Etisalat MISR
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 217 12 14 Starcomms Nigeria Limited
24835 211 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system
16637 149 441 87 MTN Network Solutions
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 3605 3819 245 BellSouth.net Inc.
23456 2869 700 1539 32-bit ASN transition
18566 1912 365 240 Covad Communications Co.
4766 1910 11036 633 Korea Telecom (KIX)
1785 1807 681 122 PaeTec Communications, Inc.
4323 1656 1098 401 tw telecom holdings, inc.
20115 1593 1532 632 Charter Communications
7545 1546 301 84 TPG Internet Pty Ltd
10620 1543 282 158 Types of queries are: POCs, o
17974 1542 461 41 PT Telekomunikasi Indonesia
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 1807 1685 PaeTec Communications, Inc.
18566 1912 1672 Covad Communications Co.
17974 1542 1501 PT Telekomunikasi Indonesia
7545 1546 1462 TPG Internet Pty Ltd
10620 1543 1385 Types of queries are: POCs, o
23456 2869 1330 32-bit ASN transition
4755 1493 1324 TATA Communications formerly
4766 1910 1277 Korea Telecom (KIX)
22773 1349 1261 Cox Communications Inc.
4323 1656 1255 tw telecom holdings, inc.
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 /8:22 /9:12 /10:28 /11:81 /12:232
/13:468 /14:803 /15:1401 /16:11962 /17:5869 /18:9754
/19:19570 /20:25908 /21:26134 /22:34505 /23:33215 /24:186947
/25:13 /26:20 /27:25 /28:158 /29:104 /30:61
/31:0 /32:128
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2216 3605 BellSouth.net Inc.
18566 1868 1912 Covad Communications Co.
10620 1438 1543 Types of queries are: POCs, o
23456 1405 2869 32-bit ASN transition
6478 1316 1346 AT&T Services, Inc.
11492 1072 1118 CABLE ONE, INC.
7029 1065 1385 Windstream Communications Inc
7011 1054 1156 Frontier Communications of Am
1785 1053 1807 PaeTec Communications, Inc.
22773 863 1349 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:322 2:47 4:16 5:1 6:3 8:337
12:1972 13:1 14:473 15:15 16:3 17:5
20:10 23:13 24:1664 27:811 31:488 32:59
33:4 34:2 36:4 38:740 40:103 41:2513
42:32 44:3 46:1029 47:3 49:198 50:442
52:13 54:2 55:4 56:2 57:34 58:815
59:474 60:384 61:1020 62:1040 63:1930 64:3919
65:2291 66:3852 67:1899 68:1085 69:3037 70:752
71:389 72:1882 74:2376 75:315 76:339 77:886
78:707 79:468 80:1100 81:837 82:504 83:459
84:690 85:1077 86:544 87:761 88:336 89:1530
90:223 91:3954 92:536 93:1051 94:1335 95:859
96:441 97:255 98:891 99:37 101:72 103:110
106:10 107:21 108:70 109:1023 110:613 111:707
112:296 113:399 114:541 115:667 116:945 117:664
118:811 119:1138 120:311 121:652 122:1593 123:956
124:1268 125:1222 128:208 129:166 130:158 131:568
132:104 133:21 134:206 135:48 136:208 137:132
138:299 139:114 140:456 141:242 142:388 143:413
144:463 145:54 146:445 147:213 148:611 149:247
150:154 151:189 152:329 153:182 154:3 155:394
156:194 157:325 158:138 159:383 160:310 161:192
162:305 163:155 164:505 165:356 166:529 167:431
168:734 169:152 170:833 171:78 172:1 173:1643
174:610 175:364 176:142 177:167 178:986 180:861
181:23 182:476 183:224 184:343 185:1 186:1274
187:699 188:880 189:942 190:4937 192:5848 193:4959
194:3510 195:3027 196:1240 197:41 198:3508 199:3917
200:5444 201:1482 202:8197 203:8317 204:4145 205:2306
206:2594 207:2734 208:3953 209:3421 210:2603 211:1457
212:2105 213:1748 214:773 215:69 216:4911 217:1639
218:535 219:355 220:1195 221:476 222:313 223:180
End of report
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