Routing Table Report 08:00 +10GMT Mon 08 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: 164010
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 182262
Total ASes present in the Internet Routing Table: 36936
Prefixes per ASN: 9.77
Origin-only ASes present in the Internet Routing Table: 31855
Origin ASes announcing only one prefix: 15331
Transit ASes present in the Internet Routing Table: 5081
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 34
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 2406
Unregistered ASNs in the Routing Table: 673
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: 3025
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 115
Number of addresses announced to Internet: 2507027968
Equivalent to 149 /8s, 110 /16s and 54 /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: 149130
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 87123
Total APNIC prefixes after maximum aggregation: 28926
APNIC Deaggregation factor: 3.01
Prefixes being announced from the APNIC address blocks: 84513
Unique aggregates announced from the APNIC address blocks: 37698
APNIC Region origin ASes present in the Internet Routing Table: 4474
APNIC Prefixes per ASN: 18.89
APNIC Region origin ASes announcing only one prefix: 1253
APNIC Region transit ASes present in the Internet Routing Table: 679
Average APNIC Region AS path length visible: 4.0
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: 622615808
Equivalent to 37 /8s, 28 /16s and 93 /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: 140656
Total ARIN prefixes after maximum aggregation: 72659
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112823
Unique aggregates announced from the ARIN address blocks: 46871
ARIN Region origin ASes present in the Internet Routing Table: 14469
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5565
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: 803310336
Equivalent to 47 /8s, 225 /16s and 139 /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: 87734
Total RIPE prefixes after maximum aggregation: 49525
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80999
Unique aggregates announced from the RIPE address blocks: 53285
RIPE Region origin ASes present in the Internet Routing Table: 15845
RIPE Prefixes per ASN: 5.11
RIPE Region origin ASes announcing only one prefix: 7912
RIPE Region transit ASes present in the Internet Routing Table: 2486
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: 485093120
Equivalent to 28 /8s, 233 /16s and 239 /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: 33268
Total LACNIC prefixes after maximum aggregation: 7497
LACNIC Deaggregation factor: 4.44
Prefixes being announced from the LACNIC address blocks: 32701
Unique aggregates announced from the LACNIC address blocks: 17184
LACNIC Region origin ASes present in the Internet Routing Table: 1483
LACNIC Prefixes per ASN: 22.05
LACNIC Region origin ASes announcing only one prefix: 447
LACNIC Region transit ASes present in the Internet Routing Table: 265
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: 87324416
Equivalent to 5 /8s, 52 /16s and 119 /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: 8273
Total AfriNIC prefixes after maximum aggregation: 2073
AfriNIC Deaggregation factor: 3.99
Prefixes being announced from the AfriNIC address blocks: 6552
Unique aggregates announced from the AfriNIC address blocks: 2449
AfriNIC Region origin ASes present in the Internet Routing Table: 481
AfriNIC Prefixes per ASN: 13.62
AfriNIC Region origin ASes announcing only one prefix: 154
AfriNIC Region transit ASes present in the Internet Routing Table: 104
Average AfriNIC Region AS path length visible: 3.3
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: 26848512
Equivalent to 1 /8s, 153 /16s and 173 /24s
Percentage of available AfriNIC address space announced: 40.0
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)
7545 1558 301 84 TPG Internet Pty Ltd
17974 1549 516 31 PT Telekomunikasi Indonesia
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
17488 978 188 123 Hathway IP Over Cable Interne
7552 973 1062 11 Vietel Corporation
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 3567 3817 236 BellSouth.net Inc.
18566 1911 364 238 Covad Communications Co.
1785 1818 681 121 PaeTec Communications, Inc.
7029 1645 1031 210 Windstream Communications Inc
4323 1615 1098 401 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 1367 7085 895 AT&T Services, Inc.
2386 1253 520 902 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 534 106 185 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 454 133 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 1255 2732 352 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 704 56 85 CORPORACION NACIONAL DE TELEC
22047 578 322 17 Types of queries are: POCs, o
3816 534 232 96 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
11172 512 101 91 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
24863 787 131 127 LINKdotNET AS number
8452 771 445 11 TEDATA
15475 512 74 8 Nile Online
36992 304 415 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 260 519 14 Itissalat Al-MAGHRIB
15706 235 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 3567 3817 236 BellSouth.net Inc.
23456 3025 727 1622 32-bit ASN transition
4766 1927 11037 642 Korea Telecom (KIX)
18566 1911 364 238 Covad Communications Co.
1785 1818 681 121 PaeTec Communications, Inc.
7029 1645 1031 210 Windstream Communications Inc
4323 1615 1098 401 tw telecom holdings, inc.
20115 1590 1538 623 Charter Communications
10620 1566 289 164 Types of queries are: POCs, o
7545 1558 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 1818 1697 PaeTec Communications, Inc.
18566 1911 1673 Covad Communications Co.
17974 1549 1518 PT Telekomunikasi Indonesia
7545 1558 1474 TPG Internet Pty Ltd
7029 1645 1435 Windstream Communications Inc
23456 3025 1403 32-bit ASN transition
10620 1566 1402 Types of queries are: POCs, o
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 /14:799 /15:1411 /16:12017 /17:5886 /18:9873
/19:19629 /20:26352 /21:26349 /22:34749 /23:33685 /24:188675
/25:12 /26:20 /27:22 /28:157 /29:110 /30:58
/31:0 /32:125
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2203 3567 BellSouth.net Inc.
18566 1868 1911 Covad Communications Co.
23456 1489 3025 32-bit ASN transition
10620 1461 1566 Types of queries are: POCs, o
7029 1324 1645 Windstream Communications Inc
11492 1095 1141 CABLE ONE, INC.
7011 1058 1160 Frontier Communications of Am
1785 1053 1818 PaeTec Communications, Inc.
6478 935 963 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)
----------------------------------------------
1:348 2:44 4:15 5:1 6:3 8:338
12:1958 13:1 14:485 15:15 16:3 17:5
20:10 23:19 24:1672 27:854 31:507 32:59
33:4 34:2 36:4 38:722 40:106 41:2600
42:38 44:3 46:1073 47:3 49:206 50:387
52:13 54:2 55:4 56:2 57:34 58:813
59:490 60:376 61:1024 62:1058 63:1925 64:3971
65:2294 66:3899 67:1892 68:1092 69:3039 70:770
71:372 72:1865 74:2424 75:327 76:341 77:862
78:705 79:485 80:1123 81:842 82:508 83:468
84:684 85:1075 86:519 87:834 88:336 89:1533
90:224 91:4003 92:527 93:1122 94:1334 95:871
96:415 97:265 98:916 99:37 100:1 101:76
103:186 106:79 107:30 108:72 109:1048 110:616
111:727 112:301 113:404 114:558 115:670 116:974
117:663 118:819 119:1166 120:208 121:656 122:1606
123:984 124:1341 125:1282 128:208 129:166 130:164
131:575 132:93 133:21 134:206 135:52 136:213
137:135 138:296 139:113 140:460 141:271 142:364
143:417 144:485 145:58 146:448 147:214 148:611
149:251 150:149 151:190 152:345 153:182 154:4
155:399 156:196 157:323 158:139 159:391 160:317
161:197 162:307 163:151 164:515 165:364 166:531
167:432 168:739 169:151 170:837 171:81 172:1
173:1625 174:617 175:380 176:164 177:201 178:1013
180:911 181:26 182:494 183:233 184:359 185:1
186:1332 187:733 188:915 189:973 190:5080 192:5874
193:4978 194:3504 195:3057 196:1196 197:113 198:3538
199:3976 200:5457 201:1473 202:8200 203:8362 204:4178
205:2287 206:2586 207:2727 208:3991 209:3386 210:2619
211:1400 212:2105 213:1756 214:790 215:68 216:4864
217:1632 218:518 219:341 220:1199 221:469 222:312
223:233
End of report
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