Find IP IPv4 Network/Subnet and its host address ranges

What is an IPv4 IP address its network and host address ranges?

An IPv4 IP address is an address used in order to uniquely identify a device on an IP network. The address is made up of 32 binary bits, which can be divisible into a network portion and host portion with the help of a subnet mask. The 32 binary bits are broken into four octets (1 octet = 8 bits). Each octet is converted to decimal and separated by a period (dot).

How to Subnet IPv4? Its simple answer is that subnetting is the process of taking a network and splitting it into smaller networks, known as subnets. It's used to free up more public IPv4 addresses and segment networks for security and easier management.
Following are the ranges of IPv4 subnet/network address and their host addresses.

IPv4 AddressIPv6 Address
51.139.32.1 0:0:0:0:0:ffff:338b:2001
51.139.32.2 0:0:0:0:0:ffff:338b:2002
51.139.32.3 0:0:0:0:0:ffff:338b:2003
51.139.32.4 0:0:0:0:0:ffff:338b:2004
51.139.32.5 0:0:0:0:0:ffff:338b:2005
51.139.32.6 0:0:0:0:0:ffff:338b:2006
51.139.32.7 0:0:0:0:0:ffff:338b:2007
51.139.32.8 0:0:0:0:0:ffff:338b:2008
51.139.32.9 0:0:0:0:0:ffff:338b:2009
51.139.32.10 0:0:0:0:0:ffff:338b:200a
51.139.32.11 0:0:0:0:0:ffff:338b:200b
51.139.32.12 0:0:0:0:0:ffff:338b:200c
51.139.32.13 0:0:0:0:0:ffff:338b:200d
51.139.32.14 0:0:0:0:0:ffff:338b:200e
51.139.32.15 0:0:0:0:0:ffff:338b:200f
51.139.32.16 0:0:0:0:0:ffff:338b:2010
51.139.32.17 0:0:0:0:0:ffff:338b:2011
51.139.32.18 0:0:0:0:0:ffff:338b:2012
51.139.32.19 0:0:0:0:0:ffff:338b:2013
51.139.32.20 0:0:0:0:0:ffff:338b:2014
51.139.32.21 0:0:0:0:0:ffff:338b:2015
51.139.32.22 0:0:0:0:0:ffff:338b:2016
51.139.32.23 0:0:0:0:0:ffff:338b:2017
51.139.32.24 0:0:0:0:0:ffff:338b:2018
51.139.32.25 0:0:0:0:0:ffff:338b:2019
51.139.32.26 0:0:0:0:0:ffff:338b:201a
51.139.32.27 0:0:0:0:0:ffff:338b:201b
51.139.32.28 0:0:0:0:0:ffff:338b:201c
51.139.32.29 0:0:0:0:0:ffff:338b:201d
51.139.32.30 0:0:0:0:0:ffff:338b:201e
51.139.32.31 0:0:0:0:0:ffff:338b:201f
51.139.32.32 0:0:0:0:0:ffff:338b:2020
51.139.32.33 0:0:0:0:0:ffff:338b:2021
51.139.32.34 0:0:0:0:0:ffff:338b:2022
51.139.32.35 0:0:0:0:0:ffff:338b:2023
51.139.32.36 0:0:0:0:0:ffff:338b:2024
51.139.32.37 0:0:0:0:0:ffff:338b:2025
51.139.32.38 0:0:0:0:0:ffff:338b:2026
51.139.32.39 0:0:0:0:0:ffff:338b:2027
51.139.32.40 0:0:0:0:0:ffff:338b:2028
51.139.32.41 0:0:0:0:0:ffff:338b:2029
51.139.32.42 0:0:0:0:0:ffff:338b:202a
51.139.32.43 0:0:0:0:0:ffff:338b:202b
51.139.32.44 0:0:0:0:0:ffff:338b:202c
51.139.32.45 0:0:0:0:0:ffff:338b:202d
51.139.32.46 0:0:0:0:0:ffff:338b:202e
51.139.32.47 0:0:0:0:0:ffff:338b:202f
51.139.32.48 0:0:0:0:0:ffff:338b:2030
51.139.32.49 0:0:0:0:0:ffff:338b:2031
51.139.32.50 0:0:0:0:0:ffff:338b:2032
51.139.32.51 0:0:0:0:0:ffff:338b:2033
51.139.32.52 0:0:0:0:0:ffff:338b:2034
51.139.32.53 0:0:0:0:0:ffff:338b:2035
51.139.32.54 0:0:0:0:0:ffff:338b:2036
51.139.32.55 0:0:0:0:0:ffff:338b:2037
51.139.32.56 0:0:0:0:0:ffff:338b:2038
51.139.32.57 0:0:0:0:0:ffff:338b:2039
51.139.32.58 0:0:0:0:0:ffff:338b:203a
51.139.32.59 0:0:0:0:0:ffff:338b:203b
51.139.32.60 0:0:0:0:0:ffff:338b:203c


51.139.32.61 0:0:0:0:0:ffff:338b:203d
51.139.32.62 0:0:0:0:0:ffff:338b:203e
51.139.32.63 0:0:0:0:0:ffff:338b:203f
51.139.32.64 0:0:0:0:0:ffff:338b:2040
51.139.32.65 0:0:0:0:0:ffff:338b:2041
51.139.32.66 0:0:0:0:0:ffff:338b:2042
51.139.32.67 0:0:0:0:0:ffff:338b:2043
51.139.32.68 0:0:0:0:0:ffff:338b:2044
51.139.32.69 0:0:0:0:0:ffff:338b:2045
51.139.32.70 0:0:0:0:0:ffff:338b:2046
51.139.32.71 0:0:0:0:0:ffff:338b:2047
51.139.32.72 0:0:0:0:0:ffff:338b:2048
51.139.32.73 0:0:0:0:0:ffff:338b:2049
51.139.32.74 0:0:0:0:0:ffff:338b:204a
51.139.32.75 0:0:0:0:0:ffff:338b:204b
51.139.32.76 0:0:0:0:0:ffff:338b:204c
51.139.32.77 0:0:0:0:0:ffff:338b:204d
51.139.32.78 0:0:0:0:0:ffff:338b:204e
51.139.32.79 0:0:0:0:0:ffff:338b:204f
51.139.32.80 0:0:0:0:0:ffff:338b:2050
51.139.32.81 0:0:0:0:0:ffff:338b:2051
51.139.32.82 0:0:0:0:0:ffff:338b:2052
51.139.32.83 0:0:0:0:0:ffff:338b:2053
51.139.32.84 0:0:0:0:0:ffff:338b:2054
51.139.32.85 0:0:0:0:0:ffff:338b:2055
51.139.32.86 0:0:0:0:0:ffff:338b:2056
51.139.32.87 0:0:0:0:0:ffff:338b:2057
51.139.32.88 0:0:0:0:0:ffff:338b:2058
51.139.32.89 0:0:0:0:0:ffff:338b:2059
51.139.32.90 0:0:0:0:0:ffff:338b:205a
51.139.32.91 0:0:0:0:0:ffff:338b:205b
51.139.32.92 0:0:0:0:0:ffff:338b:205c
51.139.32.93 0:0:0:0:0:ffff:338b:205d
51.139.32.94 0:0:0:0:0:ffff:338b:205e
51.139.32.95 0:0:0:0:0:ffff:338b:205f
51.139.32.96 0:0:0:0:0:ffff:338b:2060
51.139.32.97 0:0:0:0:0:ffff:338b:2061
51.139.32.98 0:0:0:0:0:ffff:338b:2062
51.139.32.99 0:0:0:0:0:ffff:338b:2063
51.139.32.100 0:0:0:0:0:ffff:338b:2064
51.139.32.101 0:0:0:0:0:ffff:338b:2065
51.139.32.102 0:0:0:0:0:ffff:338b:2066
51.139.32.103 0:0:0:0:0:ffff:338b:2067
51.139.32.104 0:0:0:0:0:ffff:338b:2068
51.139.32.105 0:0:0:0:0:ffff:338b:2069
51.139.32.106 0:0:0:0:0:ffff:338b:206a
51.139.32.107 0:0:0:0:0:ffff:338b:206b
51.139.32.108 0:0:0:0:0:ffff:338b:206c
51.139.32.109 0:0:0:0:0:ffff:338b:206d
51.139.32.110 0:0:0:0:0:ffff:338b:206e
51.139.32.111 0:0:0:0:0:ffff:338b:206f
51.139.32.112 0:0:0:0:0:ffff:338b:2070
51.139.32.113 0:0:0:0:0:ffff:338b:2071
51.139.32.114 0:0:0:0:0:ffff:338b:2072
51.139.32.115 0:0:0:0:0:ffff:338b:2073
51.139.32.116 0:0:0:0:0:ffff:338b:2074
51.139.32.117 0:0:0:0:0:ffff:338b:2075
51.139.32.118 0:0:0:0:0:ffff:338b:2076
51.139.32.119 0:0:0:0:0:ffff:338b:2077
51.139.32.120 0:0:0:0:0:ffff:338b:2078


51.139.32.121 0:0:0:0:0:ffff:338b:2079
51.139.32.122 0:0:0:0:0:ffff:338b:207a
51.139.32.123 0:0:0:0:0:ffff:338b:207b
51.139.32.124 0:0:0:0:0:ffff:338b:207c
51.139.32.125 0:0:0:0:0:ffff:338b:207d
51.139.32.126 0:0:0:0:0:ffff:338b:207e
51.139.32.127 0:0:0:0:0:ffff:338b:207f
51.139.32.128 0:0:0:0:0:ffff:338b:2080
51.139.32.129 0:0:0:0:0:ffff:338b:2081
51.139.32.130 0:0:0:0:0:ffff:338b:2082
51.139.32.131 0:0:0:0:0:ffff:338b:2083
51.139.32.132 0:0:0:0:0:ffff:338b:2084
51.139.32.133 0:0:0:0:0:ffff:338b:2085
51.139.32.134 0:0:0:0:0:ffff:338b:2086
51.139.32.135 0:0:0:0:0:ffff:338b:2087
51.139.32.136 0:0:0:0:0:ffff:338b:2088
51.139.32.137 0:0:0:0:0:ffff:338b:2089
51.139.32.138 0:0:0:0:0:ffff:338b:208a
51.139.32.139 0:0:0:0:0:ffff:338b:208b
51.139.32.140 0:0:0:0:0:ffff:338b:208c
51.139.32.141 0:0:0:0:0:ffff:338b:208d
51.139.32.142 0:0:0:0:0:ffff:338b:208e
51.139.32.143 0:0:0:0:0:ffff:338b:208f
51.139.32.144 0:0:0:0:0:ffff:338b:2090
51.139.32.145 0:0:0:0:0:ffff:338b:2091
51.139.32.146 0:0:0:0:0:ffff:338b:2092
51.139.32.147 0:0:0:0:0:ffff:338b:2093
51.139.32.148 0:0:0:0:0:ffff:338b:2094
51.139.32.149 0:0:0:0:0:ffff:338b:2095
51.139.32.150 0:0:0:0:0:ffff:338b:2096
51.139.32.151 0:0:0:0:0:ffff:338b:2097
51.139.32.152 0:0:0:0:0:ffff:338b:2098
51.139.32.153 0:0:0:0:0:ffff:338b:2099
51.139.32.154 0:0:0:0:0:ffff:338b:209a
51.139.32.155 0:0:0:0:0:ffff:338b:209b
51.139.32.156 0:0:0:0:0:ffff:338b:209c
51.139.32.157 0:0:0:0:0:ffff:338b:209d
51.139.32.158 0:0:0:0:0:ffff:338b:209e
51.139.32.159 0:0:0:0:0:ffff:338b:209f
51.139.32.160 0:0:0:0:0:ffff:338b:20a0
51.139.32.161 0:0:0:0:0:ffff:338b:20a1
51.139.32.162 0:0:0:0:0:ffff:338b:20a2
51.139.32.163 0:0:0:0:0:ffff:338b:20a3
51.139.32.164 0:0:0:0:0:ffff:338b:20a4
51.139.32.165 0:0:0:0:0:ffff:338b:20a5
51.139.32.166 0:0:0:0:0:ffff:338b:20a6
51.139.32.167 0:0:0:0:0:ffff:338b:20a7
51.139.32.168 0:0:0:0:0:ffff:338b:20a8
51.139.32.169 0:0:0:0:0:ffff:338b:20a9
51.139.32.170 0:0:0:0:0:ffff:338b:20aa
51.139.32.171 0:0:0:0:0:ffff:338b:20ab
51.139.32.172 0:0:0:0:0:ffff:338b:20ac
51.139.32.173 0:0:0:0:0:ffff:338b:20ad
51.139.32.174 0:0:0:0:0:ffff:338b:20ae
51.139.32.175 0:0:0:0:0:ffff:338b:20af
51.139.32.176 0:0:0:0:0:ffff:338b:20b0
51.139.32.177 0:0:0:0:0:ffff:338b:20b1
51.139.32.178 0:0:0:0:0:ffff:338b:20b2
51.139.32.179 0:0:0:0:0:ffff:338b:20b3
51.139.32.180 0:0:0:0:0:ffff:338b:20b4


51.139.32.181 0:0:0:0:0:ffff:338b:20b5
51.139.32.182 0:0:0:0:0:ffff:338b:20b6
51.139.32.183 0:0:0:0:0:ffff:338b:20b7
51.139.32.184 0:0:0:0:0:ffff:338b:20b8
51.139.32.185 0:0:0:0:0:ffff:338b:20b9
51.139.32.186 0:0:0:0:0:ffff:338b:20ba
51.139.32.187 0:0:0:0:0:ffff:338b:20bb
51.139.32.188 0:0:0:0:0:ffff:338b:20bc
51.139.32.189 0:0:0:0:0:ffff:338b:20bd
51.139.32.190 0:0:0:0:0:ffff:338b:20be
51.139.32.191 0:0:0:0:0:ffff:338b:20bf
51.139.32.192 0:0:0:0:0:ffff:338b:20c0
51.139.32.193 0:0:0:0:0:ffff:338b:20c1
51.139.32.194 0:0:0:0:0:ffff:338b:20c2
51.139.32.195 0:0:0:0:0:ffff:338b:20c3
51.139.32.196 0:0:0:0:0:ffff:338b:20c4
51.139.32.197 0:0:0:0:0:ffff:338b:20c5
51.139.32.198 0:0:0:0:0:ffff:338b:20c6
51.139.32.199 0:0:0:0:0:ffff:338b:20c7
51.139.32.200 0:0:0:0:0:ffff:338b:20c8
51.139.32.201 0:0:0:0:0:ffff:338b:20c9
51.139.32.202 0:0:0:0:0:ffff:338b:20ca
51.139.32.203 0:0:0:0:0:ffff:338b:20cb
51.139.32.204 0:0:0:0:0:ffff:338b:20cc
51.139.32.205 0:0:0:0:0:ffff:338b:20cd
51.139.32.206 0:0:0:0:0:ffff:338b:20ce
51.139.32.207 0:0:0:0:0:ffff:338b:20cf
51.139.32.208 0:0:0:0:0:ffff:338b:20d0
51.139.32.209 0:0:0:0:0:ffff:338b:20d1
51.139.32.210 0:0:0:0:0:ffff:338b:20d2
51.139.32.211 0:0:0:0:0:ffff:338b:20d3
51.139.32.212 0:0:0:0:0:ffff:338b:20d4
51.139.32.213 0:0:0:0:0:ffff:338b:20d5
51.139.32.214 0:0:0:0:0:ffff:338b:20d6
51.139.32.215 0:0:0:0:0:ffff:338b:20d7
51.139.32.216 0:0:0:0:0:ffff:338b:20d8
51.139.32.217 0:0:0:0:0:ffff:338b:20d9
51.139.32.218 0:0:0:0:0:ffff:338b:20da
51.139.32.219 0:0:0:0:0:ffff:338b:20db
51.139.32.220 0:0:0:0:0:ffff:338b:20dc
51.139.32.221 0:0:0:0:0:ffff:338b:20dd
51.139.32.222 0:0:0:0:0:ffff:338b:20de
51.139.32.223 0:0:0:0:0:ffff:338b:20df
51.139.32.224 0:0:0:0:0:ffff:338b:20e0
51.139.32.225 0:0:0:0:0:ffff:338b:20e1
51.139.32.226 0:0:0:0:0:ffff:338b:20e2
51.139.32.227 0:0:0:0:0:ffff:338b:20e3
51.139.32.228 0:0:0:0:0:ffff:338b:20e4
51.139.32.229 0:0:0:0:0:ffff:338b:20e5
51.139.32.230 0:0:0:0:0:ffff:338b:20e6
51.139.32.231 0:0:0:0:0:ffff:338b:20e7
51.139.32.232 0:0:0:0:0:ffff:338b:20e8
51.139.32.233 0:0:0:0:0:ffff:338b:20e9
51.139.32.234 0:0:0:0:0:ffff:338b:20ea
51.139.32.235 0:0:0:0:0:ffff:338b:20eb
51.139.32.236 0:0:0:0:0:ffff:338b:20ec
51.139.32.237 0:0:0:0:0:ffff:338b:20ed
51.139.32.238 0:0:0:0:0:ffff:338b:20ee
51.139.32.239 0:0:0:0:0:ffff:338b:20ef
51.139.32.240 0:0:0:0:0:ffff:338b:20f0
51.139.32.241 0:0:0:0:0:ffff:338b:20f1
51.139.32.242 0:0:0:0:0:ffff:338b:20f2
51.139.32.243 0:0:0:0:0:ffff:338b:20f3
51.139.32.244 0:0:0:0:0:ffff:338b:20f4
51.139.32.245 0:0:0:0:0:ffff:338b:20f5
51.139.32.246 0:0:0:0:0:ffff:338b:20f6
51.139.32.247 0:0:0:0:0:ffff:338b:20f7
51.139.32.248 0:0:0:0:0:ffff:338b:20f8
51.139.32.249 0:0:0:0:0:ffff:338b:20f9
51.139.32.250 0:0:0:0:0:ffff:338b:20fa
51.139.32.251 0:0:0:0:0:ffff:338b:20fb
51.139.32.252 0:0:0:0:0:ffff:338b:20fc
51.139.32.253 0:0:0:0:0:ffff:338b:20fd
51.139.32.254 0:0:0:0:0:ffff:338b:20fe
51.139.32.255 0:0:0:0:0:ffff:338b:20ff


How we got IPv4 subnet masks?

An IPv4 subnet mask consists of 32 bits; it is a sequence of ones (1) followed by a block of zeros (0). The ones indicate bits in the address used for the network prefix and the trailing block of zeros designates that part as being the host identifier.