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
236.166.31.1 0:0:0:0:0:ffff:eca6:1f01
236.166.31.2 0:0:0:0:0:ffff:eca6:1f02
236.166.31.3 0:0:0:0:0:ffff:eca6:1f03
236.166.31.4 0:0:0:0:0:ffff:eca6:1f04
236.166.31.5 0:0:0:0:0:ffff:eca6:1f05
236.166.31.6 0:0:0:0:0:ffff:eca6:1f06
236.166.31.7 0:0:0:0:0:ffff:eca6:1f07
236.166.31.8 0:0:0:0:0:ffff:eca6:1f08
236.166.31.9 0:0:0:0:0:ffff:eca6:1f09
236.166.31.10 0:0:0:0:0:ffff:eca6:1f0a
236.166.31.11 0:0:0:0:0:ffff:eca6:1f0b
236.166.31.12 0:0:0:0:0:ffff:eca6:1f0c
236.166.31.13 0:0:0:0:0:ffff:eca6:1f0d
236.166.31.14 0:0:0:0:0:ffff:eca6:1f0e
236.166.31.15 0:0:0:0:0:ffff:eca6:1f0f
236.166.31.16 0:0:0:0:0:ffff:eca6:1f10
236.166.31.17 0:0:0:0:0:ffff:eca6:1f11
236.166.31.18 0:0:0:0:0:ffff:eca6:1f12
236.166.31.19 0:0:0:0:0:ffff:eca6:1f13
236.166.31.20 0:0:0:0:0:ffff:eca6:1f14
236.166.31.21 0:0:0:0:0:ffff:eca6:1f15
236.166.31.22 0:0:0:0:0:ffff:eca6:1f16
236.166.31.23 0:0:0:0:0:ffff:eca6:1f17
236.166.31.24 0:0:0:0:0:ffff:eca6:1f18
236.166.31.25 0:0:0:0:0:ffff:eca6:1f19
236.166.31.26 0:0:0:0:0:ffff:eca6:1f1a
236.166.31.27 0:0:0:0:0:ffff:eca6:1f1b
236.166.31.28 0:0:0:0:0:ffff:eca6:1f1c
236.166.31.29 0:0:0:0:0:ffff:eca6:1f1d
236.166.31.30 0:0:0:0:0:ffff:eca6:1f1e
236.166.31.31 0:0:0:0:0:ffff:eca6:1f1f
236.166.31.32 0:0:0:0:0:ffff:eca6:1f20
236.166.31.33 0:0:0:0:0:ffff:eca6:1f21
236.166.31.34 0:0:0:0:0:ffff:eca6:1f22
236.166.31.35 0:0:0:0:0:ffff:eca6:1f23
236.166.31.36 0:0:0:0:0:ffff:eca6:1f24
236.166.31.37 0:0:0:0:0:ffff:eca6:1f25
236.166.31.38 0:0:0:0:0:ffff:eca6:1f26
236.166.31.39 0:0:0:0:0:ffff:eca6:1f27
236.166.31.40 0:0:0:0:0:ffff:eca6:1f28
236.166.31.41 0:0:0:0:0:ffff:eca6:1f29
236.166.31.42 0:0:0:0:0:ffff:eca6:1f2a
236.166.31.43 0:0:0:0:0:ffff:eca6:1f2b
236.166.31.44 0:0:0:0:0:ffff:eca6:1f2c
236.166.31.45 0:0:0:0:0:ffff:eca6:1f2d
236.166.31.46 0:0:0:0:0:ffff:eca6:1f2e
236.166.31.47 0:0:0:0:0:ffff:eca6:1f2f
236.166.31.48 0:0:0:0:0:ffff:eca6:1f30
236.166.31.49 0:0:0:0:0:ffff:eca6:1f31
236.166.31.50 0:0:0:0:0:ffff:eca6:1f32
236.166.31.51 0:0:0:0:0:ffff:eca6:1f33
236.166.31.52 0:0:0:0:0:ffff:eca6:1f34
236.166.31.53 0:0:0:0:0:ffff:eca6:1f35
236.166.31.54 0:0:0:0:0:ffff:eca6:1f36
236.166.31.55 0:0:0:0:0:ffff:eca6:1f37
236.166.31.56 0:0:0:0:0:ffff:eca6:1f38
236.166.31.57 0:0:0:0:0:ffff:eca6:1f39
236.166.31.58 0:0:0:0:0:ffff:eca6:1f3a
236.166.31.59 0:0:0:0:0:ffff:eca6:1f3b
236.166.31.60 0:0:0:0:0:ffff:eca6:1f3c


236.166.31.61 0:0:0:0:0:ffff:eca6:1f3d
236.166.31.62 0:0:0:0:0:ffff:eca6:1f3e
236.166.31.63 0:0:0:0:0:ffff:eca6:1f3f
236.166.31.64 0:0:0:0:0:ffff:eca6:1f40
236.166.31.65 0:0:0:0:0:ffff:eca6:1f41
236.166.31.66 0:0:0:0:0:ffff:eca6:1f42
236.166.31.67 0:0:0:0:0:ffff:eca6:1f43
236.166.31.68 0:0:0:0:0:ffff:eca6:1f44
236.166.31.69 0:0:0:0:0:ffff:eca6:1f45
236.166.31.70 0:0:0:0:0:ffff:eca6:1f46
236.166.31.71 0:0:0:0:0:ffff:eca6:1f47
236.166.31.72 0:0:0:0:0:ffff:eca6:1f48
236.166.31.73 0:0:0:0:0:ffff:eca6:1f49
236.166.31.74 0:0:0:0:0:ffff:eca6:1f4a
236.166.31.75 0:0:0:0:0:ffff:eca6:1f4b
236.166.31.76 0:0:0:0:0:ffff:eca6:1f4c
236.166.31.77 0:0:0:0:0:ffff:eca6:1f4d
236.166.31.78 0:0:0:0:0:ffff:eca6:1f4e
236.166.31.79 0:0:0:0:0:ffff:eca6:1f4f
236.166.31.80 0:0:0:0:0:ffff:eca6:1f50
236.166.31.81 0:0:0:0:0:ffff:eca6:1f51
236.166.31.82 0:0:0:0:0:ffff:eca6:1f52
236.166.31.83 0:0:0:0:0:ffff:eca6:1f53
236.166.31.84 0:0:0:0:0:ffff:eca6:1f54
236.166.31.85 0:0:0:0:0:ffff:eca6:1f55
236.166.31.86 0:0:0:0:0:ffff:eca6:1f56
236.166.31.87 0:0:0:0:0:ffff:eca6:1f57
236.166.31.88 0:0:0:0:0:ffff:eca6:1f58
236.166.31.89 0:0:0:0:0:ffff:eca6:1f59
236.166.31.90 0:0:0:0:0:ffff:eca6:1f5a
236.166.31.91 0:0:0:0:0:ffff:eca6:1f5b
236.166.31.92 0:0:0:0:0:ffff:eca6:1f5c
236.166.31.93 0:0:0:0:0:ffff:eca6:1f5d
236.166.31.94 0:0:0:0:0:ffff:eca6:1f5e
236.166.31.95 0:0:0:0:0:ffff:eca6:1f5f
236.166.31.96 0:0:0:0:0:ffff:eca6:1f60
236.166.31.97 0:0:0:0:0:ffff:eca6:1f61
236.166.31.98 0:0:0:0:0:ffff:eca6:1f62
236.166.31.99 0:0:0:0:0:ffff:eca6:1f63
236.166.31.100 0:0:0:0:0:ffff:eca6:1f64
236.166.31.101 0:0:0:0:0:ffff:eca6:1f65
236.166.31.102 0:0:0:0:0:ffff:eca6:1f66
236.166.31.103 0:0:0:0:0:ffff:eca6:1f67
236.166.31.104 0:0:0:0:0:ffff:eca6:1f68
236.166.31.105 0:0:0:0:0:ffff:eca6:1f69
236.166.31.106 0:0:0:0:0:ffff:eca6:1f6a
236.166.31.107 0:0:0:0:0:ffff:eca6:1f6b
236.166.31.108 0:0:0:0:0:ffff:eca6:1f6c
236.166.31.109 0:0:0:0:0:ffff:eca6:1f6d
236.166.31.110 0:0:0:0:0:ffff:eca6:1f6e
236.166.31.111 0:0:0:0:0:ffff:eca6:1f6f
236.166.31.112 0:0:0:0:0:ffff:eca6:1f70
236.166.31.113 0:0:0:0:0:ffff:eca6:1f71
236.166.31.114 0:0:0:0:0:ffff:eca6:1f72
236.166.31.115 0:0:0:0:0:ffff:eca6:1f73
236.166.31.116 0:0:0:0:0:ffff:eca6:1f74
236.166.31.117 0:0:0:0:0:ffff:eca6:1f75
236.166.31.118 0:0:0:0:0:ffff:eca6:1f76
236.166.31.119 0:0:0:0:0:ffff:eca6:1f77
236.166.31.120 0:0:0:0:0:ffff:eca6:1f78


236.166.31.121 0:0:0:0:0:ffff:eca6:1f79
236.166.31.122 0:0:0:0:0:ffff:eca6:1f7a
236.166.31.123 0:0:0:0:0:ffff:eca6:1f7b
236.166.31.124 0:0:0:0:0:ffff:eca6:1f7c
236.166.31.125 0:0:0:0:0:ffff:eca6:1f7d
236.166.31.126 0:0:0:0:0:ffff:eca6:1f7e
236.166.31.127 0:0:0:0:0:ffff:eca6:1f7f
236.166.31.128 0:0:0:0:0:ffff:eca6:1f80
236.166.31.129 0:0:0:0:0:ffff:eca6:1f81
236.166.31.130 0:0:0:0:0:ffff:eca6:1f82
236.166.31.131 0:0:0:0:0:ffff:eca6:1f83
236.166.31.132 0:0:0:0:0:ffff:eca6:1f84
236.166.31.133 0:0:0:0:0:ffff:eca6:1f85
236.166.31.134 0:0:0:0:0:ffff:eca6:1f86
236.166.31.135 0:0:0:0:0:ffff:eca6:1f87
236.166.31.136 0:0:0:0:0:ffff:eca6:1f88
236.166.31.137 0:0:0:0:0:ffff:eca6:1f89
236.166.31.138 0:0:0:0:0:ffff:eca6:1f8a
236.166.31.139 0:0:0:0:0:ffff:eca6:1f8b
236.166.31.140 0:0:0:0:0:ffff:eca6:1f8c
236.166.31.141 0:0:0:0:0:ffff:eca6:1f8d
236.166.31.142 0:0:0:0:0:ffff:eca6:1f8e
236.166.31.143 0:0:0:0:0:ffff:eca6:1f8f
236.166.31.144 0:0:0:0:0:ffff:eca6:1f90
236.166.31.145 0:0:0:0:0:ffff:eca6:1f91
236.166.31.146 0:0:0:0:0:ffff:eca6:1f92
236.166.31.147 0:0:0:0:0:ffff:eca6:1f93
236.166.31.148 0:0:0:0:0:ffff:eca6:1f94
236.166.31.149 0:0:0:0:0:ffff:eca6:1f95
236.166.31.150 0:0:0:0:0:ffff:eca6:1f96
236.166.31.151 0:0:0:0:0:ffff:eca6:1f97
236.166.31.152 0:0:0:0:0:ffff:eca6:1f98
236.166.31.153 0:0:0:0:0:ffff:eca6:1f99
236.166.31.154 0:0:0:0:0:ffff:eca6:1f9a
236.166.31.155 0:0:0:0:0:ffff:eca6:1f9b
236.166.31.156 0:0:0:0:0:ffff:eca6:1f9c
236.166.31.157 0:0:0:0:0:ffff:eca6:1f9d
236.166.31.158 0:0:0:0:0:ffff:eca6:1f9e
236.166.31.159 0:0:0:0:0:ffff:eca6:1f9f
236.166.31.160 0:0:0:0:0:ffff:eca6:1fa0
236.166.31.161 0:0:0:0:0:ffff:eca6:1fa1
236.166.31.162 0:0:0:0:0:ffff:eca6:1fa2
236.166.31.163 0:0:0:0:0:ffff:eca6:1fa3
236.166.31.164 0:0:0:0:0:ffff:eca6:1fa4
236.166.31.165 0:0:0:0:0:ffff:eca6:1fa5
236.166.31.166 0:0:0:0:0:ffff:eca6:1fa6
236.166.31.167 0:0:0:0:0:ffff:eca6:1fa7
236.166.31.168 0:0:0:0:0:ffff:eca6:1fa8
236.166.31.169 0:0:0:0:0:ffff:eca6:1fa9
236.166.31.170 0:0:0:0:0:ffff:eca6:1faa
236.166.31.171 0:0:0:0:0:ffff:eca6:1fab
236.166.31.172 0:0:0:0:0:ffff:eca6:1fac
236.166.31.173 0:0:0:0:0:ffff:eca6:1fad
236.166.31.174 0:0:0:0:0:ffff:eca6:1fae
236.166.31.175 0:0:0:0:0:ffff:eca6:1faf
236.166.31.176 0:0:0:0:0:ffff:eca6:1fb0
236.166.31.177 0:0:0:0:0:ffff:eca6:1fb1
236.166.31.178 0:0:0:0:0:ffff:eca6:1fb2
236.166.31.179 0:0:0:0:0:ffff:eca6:1fb3
236.166.31.180 0:0:0:0:0:ffff:eca6:1fb4


236.166.31.181 0:0:0:0:0:ffff:eca6:1fb5
236.166.31.182 0:0:0:0:0:ffff:eca6:1fb6
236.166.31.183 0:0:0:0:0:ffff:eca6:1fb7
236.166.31.184 0:0:0:0:0:ffff:eca6:1fb8
236.166.31.185 0:0:0:0:0:ffff:eca6:1fb9
236.166.31.186 0:0:0:0:0:ffff:eca6:1fba
236.166.31.187 0:0:0:0:0:ffff:eca6:1fbb
236.166.31.188 0:0:0:0:0:ffff:eca6:1fbc
236.166.31.189 0:0:0:0:0:ffff:eca6:1fbd
236.166.31.190 0:0:0:0:0:ffff:eca6:1fbe
236.166.31.191 0:0:0:0:0:ffff:eca6:1fbf
236.166.31.192 0:0:0:0:0:ffff:eca6:1fc0
236.166.31.193 0:0:0:0:0:ffff:eca6:1fc1
236.166.31.194 0:0:0:0:0:ffff:eca6:1fc2
236.166.31.195 0:0:0:0:0:ffff:eca6:1fc3
236.166.31.196 0:0:0:0:0:ffff:eca6:1fc4
236.166.31.197 0:0:0:0:0:ffff:eca6:1fc5
236.166.31.198 0:0:0:0:0:ffff:eca6:1fc6
236.166.31.199 0:0:0:0:0:ffff:eca6:1fc7
236.166.31.200 0:0:0:0:0:ffff:eca6:1fc8
236.166.31.201 0:0:0:0:0:ffff:eca6:1fc9
236.166.31.202 0:0:0:0:0:ffff:eca6:1fca
236.166.31.203 0:0:0:0:0:ffff:eca6:1fcb
236.166.31.204 0:0:0:0:0:ffff:eca6:1fcc
236.166.31.205 0:0:0:0:0:ffff:eca6:1fcd
236.166.31.206 0:0:0:0:0:ffff:eca6:1fce
236.166.31.207 0:0:0:0:0:ffff:eca6:1fcf
236.166.31.208 0:0:0:0:0:ffff:eca6:1fd0
236.166.31.209 0:0:0:0:0:ffff:eca6:1fd1
236.166.31.210 0:0:0:0:0:ffff:eca6:1fd2
236.166.31.211 0:0:0:0:0:ffff:eca6:1fd3
236.166.31.212 0:0:0:0:0:ffff:eca6:1fd4
236.166.31.213 0:0:0:0:0:ffff:eca6:1fd5
236.166.31.214 0:0:0:0:0:ffff:eca6:1fd6
236.166.31.215 0:0:0:0:0:ffff:eca6:1fd7
236.166.31.216 0:0:0:0:0:ffff:eca6:1fd8
236.166.31.217 0:0:0:0:0:ffff:eca6:1fd9
236.166.31.218 0:0:0:0:0:ffff:eca6:1fda
236.166.31.219 0:0:0:0:0:ffff:eca6:1fdb
236.166.31.220 0:0:0:0:0:ffff:eca6:1fdc
236.166.31.221 0:0:0:0:0:ffff:eca6:1fdd
236.166.31.222 0:0:0:0:0:ffff:eca6:1fde
236.166.31.223 0:0:0:0:0:ffff:eca6:1fdf
236.166.31.224 0:0:0:0:0:ffff:eca6:1fe0
236.166.31.225 0:0:0:0:0:ffff:eca6:1fe1
236.166.31.226 0:0:0:0:0:ffff:eca6:1fe2
236.166.31.227 0:0:0:0:0:ffff:eca6:1fe3
236.166.31.228 0:0:0:0:0:ffff:eca6:1fe4
236.166.31.229 0:0:0:0:0:ffff:eca6:1fe5
236.166.31.230 0:0:0:0:0:ffff:eca6:1fe6
236.166.31.231 0:0:0:0:0:ffff:eca6:1fe7
236.166.31.232 0:0:0:0:0:ffff:eca6:1fe8
236.166.31.233 0:0:0:0:0:ffff:eca6:1fe9
236.166.31.234 0:0:0:0:0:ffff:eca6:1fea
236.166.31.235 0:0:0:0:0:ffff:eca6:1feb
236.166.31.236 0:0:0:0:0:ffff:eca6:1fec
236.166.31.237 0:0:0:0:0:ffff:eca6:1fed
236.166.31.238 0:0:0:0:0:ffff:eca6:1fee
236.166.31.239 0:0:0:0:0:ffff:eca6:1fef
236.166.31.240 0:0:0:0:0:ffff:eca6:1ff0
236.166.31.241 0:0:0:0:0:ffff:eca6:1ff1
236.166.31.242 0:0:0:0:0:ffff:eca6:1ff2
236.166.31.243 0:0:0:0:0:ffff:eca6:1ff3
236.166.31.244 0:0:0:0:0:ffff:eca6:1ff4
236.166.31.245 0:0:0:0:0:ffff:eca6:1ff5
236.166.31.246 0:0:0:0:0:ffff:eca6:1ff6
236.166.31.247 0:0:0:0:0:ffff:eca6:1ff7
236.166.31.248 0:0:0:0:0:ffff:eca6:1ff8
236.166.31.249 0:0:0:0:0:ffff:eca6:1ff9
236.166.31.250 0:0:0:0:0:ffff:eca6:1ffa
236.166.31.251 0:0:0:0:0:ffff:eca6:1ffb
236.166.31.252 0:0:0:0:0:ffff:eca6:1ffc
236.166.31.253 0:0:0:0:0:ffff:eca6:1ffd
236.166.31.254 0:0:0:0:0:ffff:eca6:1ffe
236.166.31.255 0:0:0:0:0:ffff:eca6:1fff


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.