Routing Table Report 08:00 +10GMT Wed 06 Jul, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 357356
Prefixes after maximum aggregation: 162699
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 179717
Total ASes present in the Internet Routing Table: 36701
Prefixes per ASN: 9.74
Origin-only ASes present in the Internet Routing Table: 31649
Origin ASes announcing only one prefix: 15244
Transit ASes present in the Internet Routing Table: 5052
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: 2292
Unregistered ASNs in the Routing Table: 580
Number of 32-bit ASNs allocated by the RIRs: 1522
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 2837
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 137
Number of addresses announced to Internet: 2492684544
Equivalent to 148 /8s, 147 /16s and 89 /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: 91.0
Total number of prefixes smaller than registry allocations: 147506
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 85747
Total APNIC prefixes after maximum aggregation: 28876
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 83440
Unique aggregates announced from the APNIC address blocks: 36960
APNIC Region origin ASes present in the Internet Routing Table: 4449
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: 679
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: 619700224
Equivalent to 36 /8s, 239 /16s and 224 /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: 140173
Total ARIN prefixes after maximum aggregation: 72175
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112445
Unique aggregates announced from the ARIN address blocks: 46634
ARIN Region origin ASes present in the Internet Routing Table: 14379
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5508
ARIN Region transit ASes present in the Internet Routing Table: 1450
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: 802879744
Equivalent to 47 /8s, 218 /16s and 249 /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: 86786
Total RIPE prefixes after maximum aggregation: 49030
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80189
Unique aggregates announced from the RIPE address blocks: 52733
RIPE Region origin ASes present in the Internet Routing Table: 15770
RIPE Prefixes per ASN: 5.08
RIPE Region origin ASes announcing only one prefix: 7879
RIPE Region transit ASes present in the Internet Routing Table: 2481
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: 478870528
Equivalent to 28 /8s, 138 /16s and 252 /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: 32705
Total LACNIC prefixes after maximum aggregation: 7460
LACNIC Deaggregation factor: 4.38
Prefixes being announced from the LACNIC address blocks: 32152
Unique aggregates announced from the LACNIC address blocks: 16912
LACNIC Region origin ASes present in the Internet Routing Table: 1464
LACNIC Prefixes per ASN: 21.96
LACNIC Region origin ASes announcing only one prefix: 450
LACNIC Region transit ASes present in the Internet Routing Table: 260
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: 85759232
Equivalent to 5 /8s, 28 /16s and 149 /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: 8370
Total AfriNIC prefixes after maximum aggregation: 2020
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6487
Unique aggregates announced from the AfriNIC address blocks: 1971
AfriNIC Region origin ASes present in the Internet Routing Table: 472
AfriNIC Prefixes per ASN: 13.74
AfriNIC Region origin ASes announcing only one prefix: 150
AfriNIC Region transit ASes present in the Internet Routing Table: 102
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: 24323072
Equivalent to 1 /8s, 115 /16s and 36 /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 1899 9491 622 Korea Telecom (KIX)
17974 1552 460 43 PT Telekomunikasi Indonesia
7545 1546 301 84 TPG Internet Pty Ltd
4755 1485 375 166 TATA Communications formerly
24560 1153 336 187 Bharti Airtel Ltd., Telemedia
9829 1088 913 49 National Internet Backbone
9583 1056 77 503 Sify Limited
17488 960 186 103 Hathway IP Over Cable Interne
4808 950 2007 276 CNCGROUP IP network China169
18101 933 116 140 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 3612 3818 250 BellSouth.net Inc.
18566 1912 365 240 Covad Communications Co.
1785 1805 681 122 PaeTec Communications, Inc.
4323 1656 1098 401 tw telecom holdings, inc.
20115 1595 1533 634 Charter Communications
19262 1449 4806 370 Verizon Online LLC
7029 1383 1031 207 Windstream Communications Inc
7018 1378 7102 903 AT&T Services, Inc.
22773 1348 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
20940 468 137 361 Akamai Technologies European
3292 467 2077 402 TDC Data Networks
8866 450 134 26 Bulgarian Telecommunication C
29049 440 33 45 AzerSat LLC.
12479 439 593 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 1262 996 80 Types of queries are: POCs, o
8151 1256 2724 354 Uninet S.A. de C.V.
7303 979 509 165 Telecom Argentina S.A.
6503 853 354 74 Axtel, S.A.B. de C.V.
14420 688 55 83 CORPORACION NACIONAL DE TELEC
22047 576 322 17 Types of queries are: POCs, o
3816 532 229 95 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 497 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
8452 793 445 11 TEDATA
24863 787 147 35 LINKdotNET AS number
15475 524 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 221 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 3612 3818 250 BellSouth.net Inc.
23456 2837 695 1521 32-bit ASN transition
18566 1912 365 240 Covad Communications Co.
4766 1899 9491 622 Korea Telecom (KIX)
1785 1805 681 122 PaeTec Communications, Inc.
4323 1656 1098 401 tw telecom holdings, inc.
20115 1595 1533 634 Charter Communications
17974 1552 460 43 PT Telekomunikasi Indonesia
7545 1546 301 84 TPG Internet Pty Ltd
10620 1541 282 157 Types of queries are: POCs, o
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 1552 1509 PT Telekomunikasi Indonesia
7545 1546 1462 TPG Internet Pty Ltd
10620 1541 1384 Types of queries are: POCs, o
4755 1485 1319 TATA Communications formerly
23456 2837 1316 32-bit ASN transition
4766 1899 1277 Korea Telecom (KIX)
22773 1348 1260 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
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
/13:465 /14:801 /15:1394 /16:11965 /17:5867 /18:9730
/19:19548 /20:25893 /21:26127 /22:34381 /23:33167 /24:187131
/25:13 /26:19 /27:26 /28:155 /29:108 /30:61
/31:0 /32:131
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2222 3612 BellSouth.net Inc.
18566 1868 1912 Covad Communications Co.
10620 1436 1541 Types of queries are: POCs, o
23456 1392 2837 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 862 1348 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 2:47 4:16 5:1 6:3 8:337
12:1974 13:1 14:469 15:15 16:3 17:8
20:10 23:13 24:1662 27:812 31:487 32:59
33:4 34:2 36:4 38:739 39:3 40:103
41:2562 42:31 44:3 46:1030 47:3 49:195
50:436 52:13 54:2 55:3 56:2 57:31
58:816 59:473 60:384 61:1014 62:1021 63:1927
64:3920 65:2300 66:3865 67:1899 68:1084 69:3035
70:754 71:389 72:1891 74:2379 75:311 76:340
77:885 78:712 79:470 80:1114 81:839 82:505
83:459 84:690 85:1078 86:550 87:761 88:337
89:1531 90:211 91:3932 92:539 93:1050 94:1339
95:853 96:440 97:254 98:887 99:36 101:72
103:105 106:10 107:20 108:71 109:1029 110:614
111:708 112:294 113:403 114:545 115:667 116:950
117:665 118:812 119:1139 120:310 121:649 122:1594
123:957 124:1265 125:1225 128:208 129:165 130:162
131:572 132:104 133:21 134:206 135:48 136:214
137:133 138:299 139:114 140:458 141:240 142:387
143:413 144:480 145:54 146:444 147:213 148:613
149:246 150:156 151:189 152:325 153:180 154:3
155:400 156:193 157:322 158:137 159:386 160:313
161:199 162:306 163:155 164:503 165:357 166:528
167:430 168:736 169:156 170:842 171:78 172:1
173:1633 174:614 175:365 176:143 177:163 178:990
180:868 181:21 182:475 183:217 184:325 185:1
186:1262 187:759 188:878 189:978 190:4920 192:5848
193:4970 194:3491 195:3032 196:1243 197:41 198:3518
199:3921 200:5446 201:1495 202:8203 203:8326 204:4144
205:2319 206:2592 207:2735 208:3954 209:3421 210:2598
211:1450 212:2110 213:1745 214:768 215:69 216:4908
217:1653 218:532 219:354 220:1196 221:476 222:311
223:180
End of report
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