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  Your ip: 54.145.218.90      AMAZON     AS14618     
United States  
  Details...    Login    131 

Announced prefixes in block
51.0.0.0 - 51.255.255.255

Net block: 51.0.0.0 - 51.255.255.255
Block name:EU-ZZ-51
Block size:16777216
Domains in block
Organization:To determine the registration information for a more specific range, please try a more specific query. If you see this object as a result of a single IP query, it means the IP address is currently in
Parent block:
EU, European Union, Warrington


Updated: 2017.01.17

Prefixes

N AS Prefix D Block start End of block Size
unannounced 51.0.0.0 51.3.255.255 262144
1 AS200517  51.4.0.0/15
51.4.0.0 51.5.255.255 131072
2 AS200517
 51.4.0.0/16
51.4.0.0 51.4.255.255 65536
3 AS200517
 51.5.0.0/16
51.5.0.0 51.5.255.255 65536
4 AS6871  51.6.0.0/15
51.6.0.0 51.7.255.255 131072
unannounced 51.8.0.0 51.8.255.255 65536
5 AS6871  51.9.0.0/16
51.9.0.0 51.9.255.255 65536
6 AS8075  51.10.0.0/15
51.10.0.0 51.11.255.255 131072
7 AS8075  51.12.0.0/15
51.12.0.0 51.13.255.255 131072
8 AS2856  51.14.0.0/16
51.14.0.0 51.14.255.255 65536
9 AS12876  51.15.0.0/16
51.15.0.0 51.15.255.255 65536
unannounced 51.16.0.0 51.17.255.255 131072
10 AS8075  51.18.0.0/16
51.18.0.0 51.18.255.255 65536
unannounced 51.19.0.0 51.35.255.255 1114112
11 AS43766  51.36.0.0/19
51.36.0.0 51.36.31.255 8192
12 AS43766  51.36.32.0/19
51.36.32.0 51.36.63.255 8192
13 AS43766  51.36.64.0/18
51.36.64.0 51.36.127.255 16384
14 AS43766
 51.36.64.0/22
51.36.64.0 51.36.67.255 1024
15 AS43766
 51.36.68.0/22
51.36.68.0 51.36.71.255 1024
16 AS43766
 51.36.76.0/22
51.36.76.0 51.36.79.255 1024
17 AS43766  51.36.128.0/19
51.36.128.0 51.36.159.255 8192
18 AS43766
 51.36.128.0/22
51.36.128.0 51.36.131.255 1024
19 AS43766
 51.36.132.0/22
51.36.132.0 51.36.135.255 1024
20 AS43766  51.36.160.0/19
51.36.160.0 51.36.191.255 8192
21 AS43766
 51.36.160.0/22
51.36.160.0 51.36.163.255 1024
22 AS43766
 51.36.168.0/22
51.36.168.0 51.36.171.255 1024
23 AS43766  51.36.192.0/20
51.36.192.0 51.36.207.255 4096
24 AS43766  51.36.208.0/20
51.36.208.0 51.36.223.255 4096
25 AS43766  51.36.224.0/21
51.36.224.0 51.36.231.255 2048
26 AS43766  51.36.232.0/21
51.36.232.0 51.36.239.255 2048
27 AS43766
 51.36.232.0/22
51.36.232.0 51.36.235.255 1024
28 AS43766
 51.36.236.0/22
51.36.236.0 51.36.239.255 1024
29 AS43766  51.36.240.0/22
51.36.240.0 51.36.243.255 1024
30 AS43766  51.36.244.0/22
51.36.244.0 51.36.247.255 1024
31 AS43766  51.36.248.0/21
51.36.248.0 51.36.255.255 2048
32 AS43766
 51.36.248.0/22
51.36.248.0 51.36.251.255 1024
33 AS43766
 51.36.252.0/22
51.36.252.0 51.36.255.255 1024
34 AS15502  51.37.0.0/16
51.37.0.0 51.37.255.255 65536
35 AS15502
 51.37.0.0/18
51.37.0.0 51.37.63.255 16384
36 AS15502
 51.37.64.0/18
51.37.64.0 51.37.127.255 16384
37 AS15502
 51.37.128.0/18
51.37.128.0 51.37.191.255 16384
38 AS15502
 51.37.192.0/18
51.37.192.0 51.37.255.255 16384
unannounced 51.38.0.0 51.38.255.255 65536
39 AS43766  51.39.0.0/19
51.39.0.0 51.39.31.255 8192
40 AS43766
 51.39.0.0/22
51.39.0.0 51.39.3.255 1024
41 AS43766
 51.39.4.0/22
51.39.4.0 51.39.7.255 1024
42 AS43766
 51.39.8.0/22
51.39.8.0 51.39.11.255 1024
43 AS43766
 51.39.12.0/22
51.39.12.0 51.39.15.255 1024
44 AS43766
 51.39.16.0/22
51.39.16.0 51.39.19.255 1024
45 AS43766
 51.39.24.0/24
51.39.24.0 51.39.24.255 256
46 AS43766  51.39.32.0/19
51.39.32.0 51.39.63.255 8192
47 AS43766  51.39.64.0/18
51.39.64.0 51.39.127.255 16384
48 AS43766
 51.39.64.0/22
51.39.64.0 51.39.67.255 1024
49 AS43766
 51.39.68.0/22
51.39.68.0 51.39.71.255 1024
50 AS43766
 51.39.76.0/22
51.39.76.0 51.39.79.255 1024
51 AS43766  51.39.128.0/20
51.39.128.0 51.39.143.255 4096
52 AS43766
 51.39.128.0/22
51.39.128.0 51.39.131.255 1024
53 AS43766
 51.39.132.0/22
51.39.132.0 51.39.135.255 1024
54 AS43766
 51.39.136.0/22
51.39.136.0 51.39.139.255 1024
55 AS43766
 51.39.140.0/22
51.39.140.0 51.39.143.255 1024
56 AS43766  51.39.144.0/20
51.39.144.0 51.39.159.255 4096
57 AS43766
 51.39.144.0/22
51.39.144.0 51.39.147.255 1024
58 AS43766
 51.39.148.0/22
51.39.148.0 51.39.151.255 1024
59 AS43766  51.39.160.0/21
51.39.160.0 51.39.167.255 2048
60 AS43766  51.39.168.0/21
51.39.168.0 51.39.175.255 2048
61 AS43766  51.39.176.0/24
51.39.176.0 51.39.176.255 256
62 AS43766  51.39.177.0/24
51.39.177.0 51.39.177.255 256
63 AS43766  51.39.178.0/24
51.39.178.0 51.39.178.255 256
64 AS43766  51.39.179.0/24
51.39.179.0 51.39.179.255 256
65 AS43766  51.39.180.0/24
51.39.180.0 51.39.180.255 256
66 AS43766  51.39.181.0/24
51.39.181.0 51.39.181.255 256
67 AS43766  51.39.182.0/24
51.39.182.0 51.39.182.255 256
unannounced 51.39.183.0 51.39.184.255 512
68 AS43766  51.39.185.0/24
51.39.185.0 51.39.185.255 256
unannounced 51.39.186.0 51.39.186.255 256
69 AS43766  51.39.187.0/24
51.39.187.0 51.39.187.255 256
70 AS43766  51.39.188.0/24
51.39.188.0 51.39.188.255 256
71 AS43766  51.39.189.0/24
51.39.189.0 51.39.189.255 256
72 AS43766  51.39.190.0/24
51.39.190.0 51.39.190.255 256
73 AS43766  51.39.191.0/24
51.39.191.0 51.39.191.255 256
74 AS43766  51.39.192.0/20
51.39.192.0 51.39.207.255 4096
75 AS43766  51.39.208.0/20
51.39.208.0 51.39.223.255 4096
76 AS43766  51.39.224.0/21
51.39.224.0 51.39.231.255 2048
77 AS43766  51.39.232.0/21
51.39.232.0 51.39.239.255 2048
78 AS43766
 51.39.232.0/22
51.39.232.0 51.39.235.255 1024
79 AS43766
 51.39.236.0/22
51.39.236.0 51.39.239.255 1024
80 AS43766  51.39.240.0/22
51.39.240.0 51.39.243.255 1024
81 AS43766  51.39.244.0/22
51.39.244.0 51.39.247.255 1024
82 AS43766  51.39.248.0/21
51.39.248.0 51.39.255.255 2048
unannounced 51.40.0.0 51.50.255.255 720896
83 AS8075  51.51.0.0/16
51.51.0.0 51.51.255.255 65536
84 AS31655  51.52.0.0/16
51.52.0.0 51.52.255.255 65536
85 AS8075  51.53.0.0/16
51.53.0.0 51.53.255.255 65536
unannounced 51.54.0.0 51.102.255.255 3211264
86 AS8075  51.103.0.0/16
51.103.0.0 51.103.255.255 65536
87 AS8075  51.104.0.0/15
51.104.0.0 51.105.255.255 131072
unannounced 51.106.0.0 51.106.255.255 65536
88 AS8075  51.107.0.0/16
51.107.0.0 51.107.255.255 65536
unannounced 51.108.0.0 51.115.255.255 524288
89 AS8075  51.116.0.0/16
51.116.0.0 51.116.255.255 65536
unannounced 51.117.0.0 51.119.255.255 196608
90 AS8075  51.120.0.0/16
51.120.0.0 51.120.255.255 65536
unannounced 51.121.0.0 51.123.255.255 196608
91 AS8075  51.124.0.0/16
51.124.0.0 51.124.255.255 65536
unannounced 51.125.0.0 51.131.255.255 458752
92 AS8075  51.132.0.0/16
51.132.0.0 51.132.255.255 65536
unannounced 51.133.0.0 51.135.255.255 196608
93 AS8075  51.136.0.0/15
51.136.0.0 51.137.255.255 131072
94 AS8075  51.138.0.0/16
51.138.0.0 51.138.255.255 65536
unannounced 51.139.0.0 51.139.255.255 65536
95 AS8075  51.140.0.0/14
51.140.0.0 51.143.255.255 262144
96 AS8075  51.144.0.0/15
51.144.0.0 51.145.255.255 131072
unannounced 51.146.0.0 51.147.255.255 131072
97 AS13037  51.148.0.0/16
51.148.0.0 51.148.255.255 65536
unannounced 51.149.0.0 51.170.255.255 1441792
98 AS5466  51.171.0.0/16
51.171.0.0 51.171.255.255 65536
unannounced 51.172.0.0 51.173.255.255 131072
99 AS29695  51.174.0.0/15
51.174.0.0 51.175.255.255 131072
unannounced 51.176.0.0 51.178.255.255 196608
100 AS198471  51.179.0.0/17
51.179.0.0 51.179.127.255 32768
101 AS198471
 51.179.0.0/18
51.179.0.0 51.179.63.255 16384
102 AS198471
 51.179.0.0/20
51.179.0.0 51.179.15.255 4096
103 AS198471
 51.179.16.0/20
51.179.16.0 51.179.31.255 4096
104 AS198471
 51.179.32.0/20
51.179.32.0 51.179.47.255 4096
105 AS198471
 51.179.48.0/20
51.179.48.0 51.179.63.255 4096
106 AS198471
 51.179.64.0/18
51.179.64.0 51.179.127.255 16384
107 AS198471
 51.179.64.0/20
51.179.64.0 51.179.79.255 4096
108 AS198471
 51.179.80.0/20
51.179.80.0 51.179.95.255 4096
109 AS198471
 51.179.96.0/20
51.179.96.0 51.179.111.255 4096
110 AS198471
 51.179.112.0/20
51.179.112.0 51.179.127.255 4096
111 AS42973  51.179.128.0/19
51.179.128.0 51.179.159.255 8192
112 AS42973  51.179.160.0/19
51.179.160.0 51.179.191.255 8192
113 AS199055  51.179.192.0/20
51.179.192.0 51.179.207.255 4096
114 AS199055
 51.179.192.0/21
51.179.192.0 51.179.199.255 2048
115 AS199055
 51.179.200.0/21
51.179.200.0 51.179.207.255 2048
116 AS199055  51.179.208.0/20
51.179.208.0 51.179.223.255 4096
117 AS199055
 51.179.208.0/21
51.179.208.0 51.179.215.255 2048
118 AS199055
 51.179.216.0/21
51.179.216.0 51.179.223.255 2048
unannounced 51.179.224.0 51.211.127.255 2072576
119 AS39891  51.211.128.0/20
51.211.128.0 51.211.143.255 4096
unannounced 51.211.144.0 51.211.147.255 1024
120 AS39891  51.211.148.0/22
51.211.148.0 51.211.151.255 1024
121 AS39891  51.211.152.0/23
51.211.152.0 51.211.153.255 512
122 AS39891  51.211.154.0/23
51.211.154.0 51.211.155.255 512
123 AS39891  51.211.156.0/22
51.211.156.0 51.211.159.255 1024
124 AS25019  51.211.160.0/21
51.211.160.0 51.211.167.255 2048
unannounced 51.211.168.0 51.211.175.255 2048
125 AS25019  51.211.176.0/21
51.211.176.0 51.211.183.255 2048
126 AS25019  51.211.184.0/23
51.211.184.0 51.211.185.255 512
unannounced 51.211.186.0 51.211.191.255 1536
127 AS25019  51.211.192.0/21
51.211.192.0 51.211.199.255 2048
128 AS25019  51.211.200.0/24
51.211.200.0 51.211.200.255 256
129 AS25019  51.211.201.0/24
51.211.201.0 51.211.201.255 256
130 AS25019  51.211.202.0/24
51.211.202.0 51.211.202.255 256
131 AS25019  51.211.203.0/24
51.211.203.0 51.211.203.255 256
unannounced 51.211.204.0 51.211.207.255 1024
132 AS25019  51.211.208.0/20
51.211.208.0 51.211.223.255 4096
unannounced 51.211.224.0 51.218.127.255 434176
133 AS25019  51.218.128.0/20
51.218.128.0 51.218.143.255 4096
134 AS25019  51.218.144.0/20
51.218.144.0 51.218.159.255 4096
135 AS25019  51.218.160.0/20
51.218.160.0 51.218.175.255 4096
136 AS25019  51.218.176.0/20
51.218.176.0 51.218.191.255 4096
137 AS25019  51.218.192.0/20
51.218.192.0 51.218.207.255 4096
138 AS25019  51.218.208.0/20
51.218.208.0 51.218.223.255 4096
139 AS25019  51.218.224.0/20
51.218.224.0 51.218.239.255 4096
140 AS25019  51.218.240.0/20
51.218.240.0 51.218.255.255 4096
unannounced 51.219.0.0 51.234.255.255 1048576
141 AS25019  51.235.0.0/19
51.235.0.0 51.235.31.255 8192
142 AS25019  51.235.32.0/19
51.235.32.0 51.235.63.255 8192
143 AS25019  51.235.64.0/19
51.235.64.0 51.235.95.255 8192
144 AS25019  51.235.96.0/19
51.235.96.0 51.235.127.255 8192
145 AS25019  51.235.128.0/19
51.235.128.0 51.235.159.255 8192
146 AS25019  51.235.160.0/19
51.235.160.0 51.235.191.255 8192
147 AS25019  51.235.192.0/19
51.235.192.0 51.235.223.255 8192
148 AS25019  51.235.224.0/19
51.235.224.0 51.235.255.255 8192
unannounced 51.236.0.0 51.251.255.255 1048576
149 AS25019  51.252.0.0/18
51.252.0.0 51.252.63.255 16384
150 AS25019  51.252.64.0/19
51.252.64.0 51.252.95.255 8192
151 AS25019  51.252.96.0/19
51.252.96.0 51.252.127.255 8192
unannounced 51.252.128.0 51.253.255.255 98304
152 AS16276  51.254.0.0/15
51.254.0.0 51.255.255.255 131072

  Announced ip addresses: 2893568 (17.25 %)
  Unannounced ip addresses: 13883648 (82.75 %)

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