Routing Table Report 08:00 +10GMT Tue 05 Jul, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 357082
Prefixes after maximum aggregation: 162749
Deaggregation factor: 2.19
Unique aggregates announced to Internet: 179925
Total ASes present in the Internet Routing Table: 36688
Prefixes per ASN: 9.73
Origin-only ASes present in the Internet Routing Table: 31641
Origin ASes announcing only one prefix: 15236
Transit ASes present in the Internet Routing Table: 5047
Transit-only ASes present in the Internet Routing Table: 116
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: 2275
Unregistered ASNs in the Routing Table: 576
Number of 32-bit ASNs allocated by the RIRs: 1521
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 2830
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 136
Number of addresses announced to Internet: 2492037888
Equivalent to 148 /8s, 137 /16s and 123 /24s
Percentage of available address space announced: 67.2
Percentage of allocated address space announced: 67.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.0
Total number of prefixes smaller than registry allocations: 147289
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 85655
Total APNIC prefixes after maximum aggregation: 28917
APNIC Deaggregation factor: 2.96
Prefixes being announced from the APNIC address blocks: 83367
Unique aggregates announced from the APNIC address blocks: 37150
APNIC Region origin ASes present in the Internet Routing Table: 4447
APNIC Prefixes per ASN: 18.75
APNIC Region origin ASes announcing only one prefix: 1257
APNIC Region transit ASes present in the Internet Routing Table: 678
Average APNIC Region AS path length visible: 4.1
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: 618906112
Equivalent to 36 /8s, 227 /16s and 194 /24s
Percentage of available APNIC address space announced: 78.5
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: 140113
Total ARIN prefixes after maximum aggregation: 72191
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112402
Unique aggregates announced from the ARIN address blocks: 46625
ARIN Region origin ASes present in the Internet Routing Table: 14378
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5505
ARIN Region transit ASes present in the Internet Routing Table: 1453
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: 802892288
Equivalent to 47 /8s, 219 /16s and 42 /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: 86779
Total RIPE prefixes after maximum aggregation: 49027
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80188
Unique aggregates announced from the RIPE address blocks: 52711
RIPE Region origin ASes present in the Internet Routing Table: 15762
RIPE Prefixes per ASN: 5.09
RIPE Region origin ASes announcing only one prefix: 7875
RIPE Region transit ASes present in the Internet Routing Table: 2477
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 478849536
Equivalent to 28 /8s, 138 /16s and 170 /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: 32624
Total LACNIC prefixes after maximum aggregation: 7469
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 32079
Unique aggregates announced from the LACNIC address blocks: 16945
LACNIC Region origin ASes present in the Internet Routing Table: 1465
LACNIC Prefixes per ASN: 21.90
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 261
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: 85723392
Equivalent to 5 /8s, 28 /16s and 9 /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: 8346
Total AfriNIC prefixes after maximum aggregation: 2016
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6451
Unique aggregates announced from the AfriNIC address blocks: 1997
AfriNIC Region origin ASes present in the Internet Routing Table: 470
AfriNIC Prefixes per ASN: 13.73
AfriNIC Region origin ASes announcing only one prefix: 150
AfriNIC Region transit ASes present in the Internet Routing Table: 100
Average AfriNIC Region AS path length visible: 3.4
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 1903 9492 626 Korea Telecom (KIX)
17974 1549 460 43 PT Telekomunikasi Indonesia
7545 1540 301 84 TPG Internet Pty Ltd
4755 1481 375 166 TATA Communications formerly
24560 1153 336 187 Bharti Airtel Ltd., Telemedia
9829 1098 914 45 National Internet Backbone
9583 1057 78 503 Sify Limited
17488 960 186 103 Hathway IP Over Cable Interne
4808 949 2007 275 CNCGROUP IP network China169
18101 890 116 138 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 3616 3819 249 BellSouth.net Inc.
18566 1912 365 240 Covad Communications Co.
1785 1805 681 122 PaeTec Communications, Inc.
4323 1658 1098 401 tw telecom holdings, inc.
20115 1594 1533 633 Charter Communications
19262 1449 4806 370 Verizon Online LLC
7029 1383 1031 207 Windstream Communications Inc
7018 1376 7102 904 AT&T Services, Inc.
22773 1347 2897 88 Cox Communications Inc.
6478 1340 248 614 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 537 106 182 BILISIM TELEKOM
6830 512 1780 318 UPC Broadband
3292 469 2080 404 TDC Data Networks
20940 468 137 361 Akamai Technologies European
8866 450 134 26 Bulgarian Telecommunication C
29049 440 33 45 AzerSat LLC.
12479 438 593 7 France Telecom Espana SA
3320 419 8151 366 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 1541 282 157 Types of queries are: POCs, o
28573 1258 996 80 Types of queries are: POCs, o
8151 1254 2724 354 Uninet S.A. de C.V.
7303 979 509 165 Telecom Argentina S.A.
6503 736 354 74 Axtel, S.A.B. de C.V.
14420 686 55 82 CORPORACION NACIONAL DE TELEC
22047 576 322 17 Types of queries are: POCs, o
3816 533 230 95 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
11172 495 100 85 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
8452 794 445 11 TEDATA
24863 787 147 35 LINKdotNET AS number
15475 524 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 219 12 8 Starcomms Nigeria Limited
24835 211 78 10 RAYA Telecom - Egypt
29571 192 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 3616 3819 249 BellSouth.net Inc.
23456 2830 693 1517 32-bit ASN transition
18566 1912 365 240 Covad Communications Co.
4766 1903 9492 626 Korea Telecom (KIX)
1785 1805 681 122 PaeTec Communications, Inc.
4323 1658 1098 401 tw telecom holdings, inc.
20115 1594 1533 633 Charter Communications
17974 1549 460 43 PT Telekomunikasi Indonesia
10620 1541 282 157 Types of queries are: POCs, o
7545 1540 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 1805 1683 PaeTec Communications, Inc.
18566 1912 1672 Covad Communications Co.
17974 1549 1506 PT Telekomunikasi Indonesia
7545 1540 1456 TPG Internet Pty Ltd
10620 1541 1384 Types of queries are: POCs, o
4755 1481 1315 TATA Communications formerly
23456 2830 1313 32-bit ASN transition
4766 1903 1277 Korea Telecom (KIX)
22773 1347 1259 Cox Communications Inc.
4323 1658 1257 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
27.0.128.0/17 7514 Media EXchange, Inc.
41.190.32.0/23 31856 CABSAS
41.190.34.0/23 31856 CABSAS
41.190.36.0/23 31856 CABSAS
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 /12:231
/13:460 /14:801 /15:1395 /16:11958 /17:5856 /18:9734
/19:19548 /20:25890 /21:26113 /22:34383 /23:33176 /24:186876
/25:13 /26:19 /27:26 /28:160 /29:105 /30:61
/31:0 /32:134
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2224 3616 BellSouth.net Inc.
18566 1868 1912 Covad Communications Co.
10620 1436 1541 Types of queries are: POCs, o
23456 1388 2830 32-bit ASN transition
6478 1311 1340 AT&T Services, Inc.
11492 1091 1137 CABLE ONE, INC.
7029 1063 1383 Windstream Communications Inc
7011 1055 1156 Frontier Communications of Am
1785 1052 1805 PaeTec Communications, Inc.
22773 861 1347 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:320 2:49 4:16 5:1 6:3 8:336
12:1974 13:1 14:463 15:15 16:3 17:8
20:10 23:13 24:1661 27:809 31:486 32:59
33:4 34:2 36:4 37:1 38:740 39:3
40:103 41:2541 42:31 44:3 46:1033 47:3
49:194 50:435 52:13 54:2 55:3 56:2
57:32 58:816 59:472 60:384 61:1015 62:1022
63:1929 64:3922 65:2300 66:3866 67:1897 68:1084
69:3008 70:753 71:389 72:1891 74:2379 75:312
76:340 77:885 78:713 79:469 80:1113 81:848
82:507 83:460 84:688 85:1077 86:551 87:759
88:337 89:1533 90:211 91:3926 92:538 93:1051
94:1339 95:854 96:441 97:255 98:891 99:36
101:72 103:104 106:10 107:19 108:71 109:1018
110:605 111:707 112:296 113:403 114:545 115:662
116:950 117:667 118:811 119:1140 120:308 121:646
122:1593 123:954 124:1264 125:1225 128:208 129:165
130:162 131:567 132:104 133:21 134:206 135:48
136:205 137:133 138:299 139:111 140:458 141:241
142:387 143:411 144:481 145:54 146:444 147:213
148:590 149:246 150:155 151:189 152:327 153:180
154:3 155:399 156:196 157:323 158:138 159:386
160:313 161:201 162:306 163:155 164:510 165:356
166:528 167:432 168:735 169:156 170:843 171:78
172:1 173:1632 174:615 175:363 176:144 177:163
178:995 180:869 181:21 182:474 183:223 184:325
185:1 186:1250 187:722 188:876 189:944 190:4916
192:5849 193:4969 194:3496 195:3033 196:1243 197:41
198:3517 199:3922 200:5450 201:1493 202:8202 203:8303
204:4144 205:2323 206:2592 207:2738 208:3936 209:3424
210:2601 211:1448 212:2114 213:1744 214:769 215:69
216:4906 217:1635 218:531 219:357 220:1158 221:476
222:311 223:178
End of report
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