Routing Table Report 08:00 +10GMT Fri 08 Jul, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 357268
Prefixes after maximum aggregation: 162840
Deaggregation factor: 2.19
Unique aggregates announced to Internet: 179892
Total ASes present in the Internet Routing Table: 36713
Prefixes per ASN: 9.73
Origin-only ASes present in the Internet Routing Table: 31666
Origin ASes announcing only one prefix: 15255
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: 2295
Unregistered ASNs in the Routing Table: 588
Number of 32-bit ASNs allocated by the RIRs: 1527
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 2850
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 116
Number of addresses announced to Internet: 2492970752
Equivalent to 148 /8s, 151 /16s and 183 /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: 147452
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 85752
Total APNIC prefixes after maximum aggregation: 28914
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 83449
Unique aggregates announced from the APNIC address blocks: 37128
APNIC Region origin ASes present in the Internet Routing Table: 4448
APNIC Prefixes per ASN: 18.76
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: 619855104
Equivalent to 36 /8s, 242 /16s and 61 /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: 140164
Total ARIN prefixes after maximum aggregation: 72209
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112407
Unique aggregates announced from the ARIN address blocks: 46613
ARIN Region origin ASes present in the Internet Routing Table: 14389
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5518
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: 802899712
Equivalent to 47 /8s, 219 /16s and 71 /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: 86808
Total RIPE prefixes after maximum aggregation: 49067
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80218
Unique aggregates announced from the RIPE address blocks: 52779
RIPE Region origin ASes present in the Internet Routing Table: 15772
RIPE Prefixes per ASN: 5.09
RIPE Region origin ASes announcing only one prefix: 7879
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: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 478887424
Equivalent to 28 /8s, 139 /16s and 62 /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: 32636
Total LACNIC prefixes after maximum aggregation: 7484
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 32132
Unique aggregates announced from the LACNIC address blocks: 16904
LACNIC Region origin ASes present in the Internet Routing Table: 1466
LACNIC Prefixes per ASN: 21.92
LACNIC Region origin ASes announcing only one prefix: 451
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: 85865216
Equivalent to 5 /8s, 30 /16s and 51 /24s
Percentage of available LACNIC address space announced: 56.9
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: 8318
Total AfriNIC prefixes after maximum aggregation: 2019
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 6458
Unique aggregates announced from the AfriNIC address blocks: 1997
AfriNIC Region origin ASes present in the Internet Routing Table: 472
AfriNIC Prefixes per ASN: 13.68
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: 3.5
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: 24352512
Equivalent to 1 /8s, 115 /16s and 151 /24s
Percentage of available AfriNIC address space announced: 36.3
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 1913 11036 633 Korea Telecom (KIX)
7545 1546 301 84 TPG Internet Pty Ltd
17974 1545 460 43 PT Telekomunikasi Indonesia
4755 1489 375 169 TATA Communications formerly
24560 1153 336 187 Bharti Airtel Ltd., Telemedia
9829 1105 922 46 National Internet Backbone
9583 1057 78 503 Sify Limited
17488 962 186 105 Hathway IP Over Cable Interne
4808 948 2007 276 CNCGROUP IP network China169
18101 937 116 143 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 3607 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 1595 1533 634 Charter Communications
19262 1429 4778 392 Verizon Online LLC
7029 1386 1031 208 Windstream Communications Inc
7018 1379 7102 904 AT&T Services, Inc.
22773 1348 2897 88 Cox Communications Inc.
6478 1344 249 616 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
3292 467 2077 402 TDC Data Networks
20940 460 132 355 Akamai Technologies European
12479 454 593 7 France Telecom Espana SA
8866 447 133 25 Bulgarian Telecommunication C
29049 440 33 45 AzerSat LLC.
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 282 160 Types of queries are: POCs, o
8151 1257 2724 354 Uninet S.A. de C.V.
28573 1256 995 77 Types of queries are: POCs, o
7303 980 511 165 Telecom Argentina S.A.
6503 737 354 74 Axtel, S.A.B. de C.V.
14420 688 55 83 CORPORACION NACIONAL DE TELEC
22047 577 322 17 Types of queries are: POCs, o
3816 533 230 94 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
8452 794 445 11 TEDATA
24863 787 147 35 LINKdotNET AS number
15475 514 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 227 13 5 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 3607 3819 245 BellSouth.net Inc.
23456 2850 698 1526 32-bit ASN transition
4766 1913 11036 633 Korea Telecom (KIX)
18566 1912 365 240 Covad Communications Co.
1785 1807 681 122 PaeTec Communications, Inc.
4323 1656 1098 401 tw telecom holdings, inc.
20115 1595 1533 634 Charter Communications
7545 1546 301 84 TPG Internet Pty Ltd
17974 1545 460 43 PT Telekomunikasi Indonesia
10620 1541 282 160 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 1807 1685 PaeTec Communications, Inc.
18566 1912 1672 Covad Communications Co.
17974 1545 1502 PT Telekomunikasi Indonesia
7545 1546 1462 TPG Internet Pty Ltd
10620 1541 1381 Types of queries are: POCs, o
23456 2850 1324 32-bit ASN transition
4755 1489 1320 TATA Communications formerly
4766 1913 1280 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.
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 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 /16:11966 /17:5869 /18:9748
/19:19557 /20:25882 /21:26105 /22:34432 /23:33177 /24:186968
/25:13 /26:19 /27:26 /28:160 /29:107 /30:61
/31:0 /32:131
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2218 3607 BellSouth.net Inc.
18566 1868 1912 Covad Communications Co.
10620 1436 1541 Types of queries are: POCs, o
23456 1404 2850 32-bit ASN transition
6478 1315 1344 AT&T Services, Inc.
11492 1096 1142 CABLE ONE, INC.
7029 1066 1386 Windstream Communications Inc
7011 1054 1156 Frontier Communications of Am
1785 1053 1807 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)
----------------------------------------------
1:321 2:47 4:16 5:1 6:3 8:337
12:1973 13:1 14:471 15:15 16:3 17:5
20:10 23:13 24:1675 27:812 31:486 32:59
33:4 34:2 36:4 38:740 40:103 41:2530
42:32 44:3 46:1032 47:3 49:194 50:441
52:13 54:2 55:3 56:2 57:34 58:813
59:473 60:385 61:1012 62:1033 63:1929 64:3919
65:2294 66:3859 67:1899 68:1085 69:3042 70:755
71:389 72:1888 74:2381 75:315 76:340 77:885
78:712 79:470 80:1111 81:840 82:503 83:460
84:691 85:1074 86:553 87:760 88:334 89:1532
90:223 91:3940 92:536 93:1049 94:1337 95:857
96:441 97:256 98:890 99:37 101:72 103:106
106:10 107:20 108:70 109:1031 110:611 111:709
112:296 113:399 114:539 115:666 116:947 117:667
118:812 119:1140 120:311 121:649 122:1590 123:956
124:1260 125:1224 128:208 129:166 130:161 131:575
132:104 133:21 134:206 135:48 136:214 137:133
138:299 139:114 140:457 141:242 142:387 143:417
144:481 145:54 146:444 147:214 148:587 149:246
150:156 151:189 152:326 153:182 154:3 155:398
156:194 157:323 158:137 159:385 160:311 161:192
162:306 163:154 164:503 165:356 166:530 167:430
168:735 169:153 170:841 171:78 172:1 173:1638
174:610 175:366 176:142 177:163 178:987 180:867
181:21 182:475 183:222 184:324 185:1 186:1268
187:702 188:880 189:938 190:4929 192:5849 193:4971
194:3499 195:3019 196:1242 197:40 198:3520 199:3916
200:5465 201:1482 202:8185 203:8338 204:4144 205:2299
206:2592 207:2740 208:3952 209:3419 210:2606 211:1453
212:2104 213:1738 214:771 215:69 216:4903 217:1640
218:534 219:355 220:1193 221:464 222:313 223:182
End of report
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