Routing Table Report 08:00 +10GMT Tue 09 Aug, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 360768
Prefixes after maximum aggregation: 163984
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 181923
Total ASes present in the Internet Routing Table: 36938
Prefixes per ASN: 9.77
Origin-only ASes present in the Internet Routing Table: 31853
Origin ASes announcing only one prefix: 15346
Transit ASes present in the Internet Routing Table: 5085
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 35
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 2422
Unregistered ASNs in the Routing Table: 678
Number of 32-bit ASNs allocated by the RIRs: 1628
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 3019
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 115
Number of addresses announced to Internet: 2506656768
Equivalent to 149 /8s, 104 /16s and 140 /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: 149070
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 87162
Total APNIC prefixes after maximum aggregation: 28942
APNIC Deaggregation factor: 3.01
Prefixes being announced from the APNIC address blocks: 84564
Unique aggregates announced from the APNIC address blocks: 37778
APNIC Region origin ASes present in the Internet Routing Table: 4479
APNIC Prefixes per ASN: 18.88
APNIC Region origin ASes announcing only one prefix: 1254
APNIC Region transit ASes present in the Internet Routing Table: 677
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 622731776
Equivalent to 37 /8s, 30 /16s and 34 /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: 140709
Total ARIN prefixes after maximum aggregation: 72675
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112853
Unique aggregates announced from the ARIN address blocks: 46910
ARIN Region origin ASes present in the Internet Routing Table: 14468
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5570
ARIN Region transit ASes present in the Internet Routing Table: 1469
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: 803335168
Equivalent to 47 /8s, 225 /16s and 236 /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: 87736
Total RIPE prefixes after maximum aggregation: 49526
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80994
Unique aggregates announced from the RIPE address blocks: 53278
RIPE Region origin ASes present in the Internet Routing Table: 15846
RIPE Prefixes per ASN: 5.11
RIPE Region origin ASes announcing only one prefix: 7922
RIPE Region transit ASes present in the Internet Routing Table: 2493
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: 485066240
Equivalent to 28 /8s, 233 /16s and 134 /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: 33185
Total LACNIC prefixes after maximum aggregation: 7512
LACNIC Deaggregation factor: 4.42
Prefixes being announced from the LACNIC address blocks: 32704
Unique aggregates announced from the LACNIC address blocks: 17229
LACNIC Region origin ASes present in the Internet Routing Table: 1480
LACNIC Prefixes per ASN: 22.10
LACNIC Region origin ASes announcing only one prefix: 450
LACNIC Region transit ASes present in the Internet Routing Table: 267
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: 87339520
Equivalent to 5 /8s, 52 /16s and 178 /24s
Percentage of available LACNIC address space announced: 57.8
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: 8260
Total AfriNIC prefixes after maximum aggregation: 1991
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 6532
Unique aggregates announced from the AfriNIC address blocks: 2030
AfriNIC Region origin ASes present in the Internet Routing Table: 480
AfriNIC Prefixes per ASN: 13.61
AfriNIC Region origin ASes announcing only one prefix: 150
AfriNIC Region transit ASes present in the Internet Routing Table: 105
Average AfriNIC Region AS path length visible: 3.4
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: 26643456
Equivalent to 1 /8s, 150 /16s and 140 /24s
Percentage of available AfriNIC address space announced: 39.7
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 1927 11037 642 Korea Telecom (KIX)
17974 1559 516 31 PT Telekomunikasi Indonesia
7545 1557 301 83 TPG Internet Pty Ltd
4755 1523 375 167 TATA Communications formerly
24560 1198 336 187 Bharti Airtel Ltd., Telemedia
9829 1113 929 42 National Internet Backbone
9583 1070 78 491 Sify Limited
7552 1001 1062 11 Vietel Corporation
17488 982 190 121 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 3588 3817 231 BellSouth.net Inc.
18566 1911 364 238 Covad Communications Co.
1785 1819 681 121 PaeTec Communications, Inc.
7029 1644 1031 210 Windstream Communications Inc
4323 1615 1098 400 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 1366 7085 895 AT&T Services, Inc.
2386 1254 520 903 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 535 106 183 BILISIM TELEKOM
6830 510 1788 316 UPC Broadband
20940 471 134 364 Akamai Technologies European
3292 470 2080 405 TDC Data Networks
12479 455 593 7 France Telecom Espana SA
8866 453 133 26 Bulgarian Telecommunication C
29049 433 32 54 AzerSat LLC.
3320 423 8151 369 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 1566 289 164 Types of queries are: POCs, o
28573 1266 996 67 Types of queries are: POCs, o
8151 1254 2731 353 Uninet S.A. de C.V.
7303 1044 577 163 Telecom Argentina S.A.
6503 757 450 76 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 527 232 98 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 506 54 49 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 775 147 40 LINKdotNET AS number
8452 770 445 11 TEDATA
15475 512 74 8 Nile Online
36992 306 415 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 261 519 14 Itissalat Al-MAGHRIB
15706 234 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 3588 3817 231 BellSouth.net Inc.
23456 3019 713 1626 32-bit ASN transition
4766 1927 11037 642 Korea Telecom (KIX)
18566 1911 364 238 Covad Communications Co.
1785 1819 681 121 PaeTec Communications, Inc.
7029 1644 1031 210 Windstream Communications Inc
4323 1615 1098 400 tw telecom holdings, inc.
20115 1590 1538 623 Charter Communications
10620 1566 289 164 Types of queries are: POCs, o
17974 1559 516 31 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 1819 1698 PaeTec Communications, Inc.
18566 1911 1673 Covad Communications Co.
17974 1559 1528 PT Telekomunikasi Indonesia
7545 1557 1474 TPG Internet Pty Ltd
7029 1644 1434 Windstream Communications Inc
10620 1566 1402 Types of queries are: POCs, o
23456 3019 1393 32-bit ASN transition
4755 1523 1356 TATA Communications formerly
22773 1404 1314 Cox Communications Inc.
4766 1927 1285 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 /14:798 /15:1412 /16:12013 /17:5885 /18:9856
/19:19621 /20:26372 /21:26369 /22:34748 /23:33703 /24:188638
/25:12 /26:20 /27:23 /28:159 /29:111 /30:59
/31:0 /32:130
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2215 3588 BellSouth.net Inc.
18566 1868 1911 Covad Communications Co.
23456 1472 3019 32-bit ASN transition
10620 1461 1566 Types of queries are: POCs, o
7029 1323 1644 Windstream Communications Inc
11492 1095 1141 CABLE ONE, INC.
7011 1058 1160 Frontier Communications of Am
1785 1054 1819 PaeTec Communications, Inc.
6478 937 966 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)
----------------------------------------------
1:350 2:46 4:15 5:1 6:3 8:338
12:1960 13:1 14:489 15:15 16:3 17:5
20:10 23:19 24:1681 27:855 31:510 32:59
33:4 34:2 36:4 38:722 40:106 41:2578
42:38 44:3 46:1069 47:3 49:201 50:389
52:13 54:2 55:4 56:2 57:34 58:813
59:489 60:376 61:1024 62:1061 63:1925 64:3970
65:2297 66:3903 67:1891 68:1087 69:3040 70:775
71:373 72:1866 74:2425 75:328 76:341 77:861
78:709 79:486 80:1123 81:845 82:509 83:467
84:684 85:1076 86:516 87:837 88:336 89:1530
90:224 91:4016 92:527 93:1113 94:1335 95:874
96:415 97:265 98:917 99:37 101:78 103:183
106:79 107:30 108:72 109:1042 110:617 111:727
112:301 113:404 114:557 115:673 116:974 117:661
118:822 119:1169 120:209 121:658 122:1606 123:974
124:1341 125:1283 128:208 129:166 130:164 131:576
132:97 133:21 134:205 135:52 136:213 137:136
138:296 139:113 140:464 141:271 142:364 143:418
144:485 145:58 146:451 147:213 148:538 149:252
150:153 151:190 152:350 153:182 154:4 155:400
156:196 157:323 158:138 159:388 160:317 161:197
162:307 163:152 164:515 165:363 166:532 167:429
168:741 169:151 170:839 171:81 172:1 173:1621
174:619 175:380 176:162 177:204 178:1006 180:914
181:26 182:498 183:237 184:361 185:1 186:1355
187:725 188:906 189:969 190:5094 192:5875 193:4980
194:3504 195:3061 196:1198 197:114 198:3538 199:3970
200:5439 201:1461 202:8216 203:8363 204:4178 205:2295
206:2585 207:2726 208:4000 209:3383 210:2598 211:1401
212:2104 213:1761 214:790 215:70 216:4866 217:1620
218:520 219:343 220:1198 221:470 222:313 223:230
End of report
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