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
212.168.31.1 0:0:0:0:0:ffff:d4a8:1f01
212.168.31.2 0:0:0:0:0:ffff:d4a8:1f02
212.168.31.3 0:0:0:0:0:ffff:d4a8:1f03
212.168.31.4 0:0:0:0:0:ffff:d4a8:1f04
212.168.31.5 0:0:0:0:0:ffff:d4a8:1f05
212.168.31.6 0:0:0:0:0:ffff:d4a8:1f06
212.168.31.7 0:0:0:0:0:ffff:d4a8:1f07
212.168.31.8 0:0:0:0:0:ffff:d4a8:1f08
212.168.31.9 0:0:0:0:0:ffff:d4a8:1f09
212.168.31.10 0:0:0:0:0:ffff:d4a8:1f0a
212.168.31.11 0:0:0:0:0:ffff:d4a8:1f0b
212.168.31.12 0:0:0:0:0:ffff:d4a8:1f0c
212.168.31.13 0:0:0:0:0:ffff:d4a8:1f0d
212.168.31.14 0:0:0:0:0:ffff:d4a8:1f0e
212.168.31.15 0:0:0:0:0:ffff:d4a8:1f0f
212.168.31.16 0:0:0:0:0:ffff:d4a8:1f10
212.168.31.17 0:0:0:0:0:ffff:d4a8:1f11
212.168.31.18 0:0:0:0:0:ffff:d4a8:1f12
212.168.31.19 0:0:0:0:0:ffff:d4a8:1f13
212.168.31.20 0:0:0:0:0:ffff:d4a8:1f14
212.168.31.21 0:0:0:0:0:ffff:d4a8:1f15
212.168.31.22 0:0:0:0:0:ffff:d4a8:1f16
212.168.31.23 0:0:0:0:0:ffff:d4a8:1f17
212.168.31.24 0:0:0:0:0:ffff:d4a8:1f18
212.168.31.25 0:0:0:0:0:ffff:d4a8:1f19
212.168.31.26 0:0:0:0:0:ffff:d4a8:1f1a
212.168.31.27 0:0:0:0:0:ffff:d4a8:1f1b
212.168.31.28 0:0:0:0:0:ffff:d4a8:1f1c
212.168.31.29 0:0:0:0:0:ffff:d4a8:1f1d
212.168.31.30 0:0:0:0:0:ffff:d4a8:1f1e
212.168.31.31 0:0:0:0:0:ffff:d4a8:1f1f
212.168.31.32 0:0:0:0:0:ffff:d4a8:1f20
212.168.31.33 0:0:0:0:0:ffff:d4a8:1f21
212.168.31.34 0:0:0:0:0:ffff:d4a8:1f22
212.168.31.35 0:0:0:0:0:ffff:d4a8:1f23
212.168.31.36 0:0:0:0:0:ffff:d4a8:1f24
212.168.31.37 0:0:0:0:0:ffff:d4a8:1f25
212.168.31.38 0:0:0:0:0:ffff:d4a8:1f26
212.168.31.39 0:0:0:0:0:ffff:d4a8:1f27
212.168.31.40 0:0:0:0:0:ffff:d4a8:1f28
212.168.31.41 0:0:0:0:0:ffff:d4a8:1f29
212.168.31.42 0:0:0:0:0:ffff:d4a8:1f2a
212.168.31.43 0:0:0:0:0:ffff:d4a8:1f2b
212.168.31.44 0:0:0:0:0:ffff:d4a8:1f2c
212.168.31.45 0:0:0:0:0:ffff:d4a8:1f2d
212.168.31.46 0:0:0:0:0:ffff:d4a8:1f2e
212.168.31.47 0:0:0:0:0:ffff:d4a8:1f2f
212.168.31.48 0:0:0:0:0:ffff:d4a8:1f30
212.168.31.49 0:0:0:0:0:ffff:d4a8:1f31
212.168.31.50 0:0:0:0:0:ffff:d4a8:1f32
212.168.31.51 0:0:0:0:0:ffff:d4a8:1f33
212.168.31.52 0:0:0:0:0:ffff:d4a8:1f34
212.168.31.53 0:0:0:0:0:ffff:d4a8:1f35
212.168.31.54 0:0:0:0:0:ffff:d4a8:1f36
212.168.31.55 0:0:0:0:0:ffff:d4a8:1f37
212.168.31.56 0:0:0:0:0:ffff:d4a8:1f38
212.168.31.57 0:0:0:0:0:ffff:d4a8:1f39
212.168.31.58 0:0:0:0:0:ffff:d4a8:1f3a
212.168.31.59 0:0:0:0:0:ffff:d4a8:1f3b
212.168.31.60 0:0:0:0:0:ffff:d4a8:1f3c


212.168.31.61 0:0:0:0:0:ffff:d4a8:1f3d
212.168.31.62 0:0:0:0:0:ffff:d4a8:1f3e
212.168.31.63 0:0:0:0:0:ffff:d4a8:1f3f
212.168.31.64 0:0:0:0:0:ffff:d4a8:1f40
212.168.31.65 0:0:0:0:0:ffff:d4a8:1f41
212.168.31.66 0:0:0:0:0:ffff:d4a8:1f42
212.168.31.67 0:0:0:0:0:ffff:d4a8:1f43
212.168.31.68 0:0:0:0:0:ffff:d4a8:1f44
212.168.31.69 0:0:0:0:0:ffff:d4a8:1f45
212.168.31.70 0:0:0:0:0:ffff:d4a8:1f46
212.168.31.71 0:0:0:0:0:ffff:d4a8:1f47
212.168.31.72 0:0:0:0:0:ffff:d4a8:1f48
212.168.31.73 0:0:0:0:0:ffff:d4a8:1f49
212.168.31.74 0:0:0:0:0:ffff:d4a8:1f4a
212.168.31.75 0:0:0:0:0:ffff:d4a8:1f4b
212.168.31.76 0:0:0:0:0:ffff:d4a8:1f4c
212.168.31.77 0:0:0:0:0:ffff:d4a8:1f4d
212.168.31.78 0:0:0:0:0:ffff:d4a8:1f4e
212.168.31.79 0:0:0:0:0:ffff:d4a8:1f4f
212.168.31.80 0:0:0:0:0:ffff:d4a8:1f50
212.168.31.81 0:0:0:0:0:ffff:d4a8:1f51
212.168.31.82 0:0:0:0:0:ffff:d4a8:1f52
212.168.31.83 0:0:0:0:0:ffff:d4a8:1f53
212.168.31.84 0:0:0:0:0:ffff:d4a8:1f54
212.168.31.85 0:0:0:0:0:ffff:d4a8:1f55
212.168.31.86 0:0:0:0:0:ffff:d4a8:1f56
212.168.31.87 0:0:0:0:0:ffff:d4a8:1f57
212.168.31.88 0:0:0:0:0:ffff:d4a8:1f58
212.168.31.89 0:0:0:0:0:ffff:d4a8:1f59
212.168.31.90 0:0:0:0:0:ffff:d4a8:1f5a
212.168.31.91 0:0:0:0:0:ffff:d4a8:1f5b
212.168.31.92 0:0:0:0:0:ffff:d4a8:1f5c
212.168.31.93 0:0:0:0:0:ffff:d4a8:1f5d
212.168.31.94 0:0:0:0:0:ffff:d4a8:1f5e
212.168.31.95 0:0:0:0:0:ffff:d4a8:1f5f
212.168.31.96 0:0:0:0:0:ffff:d4a8:1f60
212.168.31.97 0:0:0:0:0:ffff:d4a8:1f61
212.168.31.98 0:0:0:0:0:ffff:d4a8:1f62
212.168.31.99 0:0:0:0:0:ffff:d4a8:1f63
212.168.31.100 0:0:0:0:0:ffff:d4a8:1f64
212.168.31.101 0:0:0:0:0:ffff:d4a8:1f65
212.168.31.102 0:0:0:0:0:ffff:d4a8:1f66
212.168.31.103 0:0:0:0:0:ffff:d4a8:1f67
212.168.31.104 0:0:0:0:0:ffff:d4a8:1f68
212.168.31.105 0:0:0:0:0:ffff:d4a8:1f69
212.168.31.106 0:0:0:0:0:ffff:d4a8:1f6a
212.168.31.107 0:0:0:0:0:ffff:d4a8:1f6b
212.168.31.108 0:0:0:0:0:ffff:d4a8:1f6c
212.168.31.109 0:0:0:0:0:ffff:d4a8:1f6d
212.168.31.110 0:0:0:0:0:ffff:d4a8:1f6e
212.168.31.111 0:0:0:0:0:ffff:d4a8:1f6f
212.168.31.112 0:0:0:0:0:ffff:d4a8:1f70
212.168.31.113 0:0:0:0:0:ffff:d4a8:1f71
212.168.31.114 0:0:0:0:0:ffff:d4a8:1f72
212.168.31.115 0:0:0:0:0:ffff:d4a8:1f73
212.168.31.116 0:0:0:0:0:ffff:d4a8:1f74
212.168.31.117 0:0:0:0:0:ffff:d4a8:1f75
212.168.31.118 0:0:0:0:0:ffff:d4a8:1f76
212.168.31.119 0:0:0:0:0:ffff:d4a8:1f77
212.168.31.120 0:0:0:0:0:ffff:d4a8:1f78


212.168.31.121 0:0:0:0:0:ffff:d4a8:1f79
212.168.31.122 0:0:0:0:0:ffff:d4a8:1f7a
212.168.31.123 0:0:0:0:0:ffff:d4a8:1f7b
212.168.31.124 0:0:0:0:0:ffff:d4a8:1f7c
212.168.31.125 0:0:0:0:0:ffff:d4a8:1f7d
212.168.31.126 0:0:0:0:0:ffff:d4a8:1f7e
212.168.31.127 0:0:0:0:0:ffff:d4a8:1f7f
212.168.31.128 0:0:0:0:0:ffff:d4a8:1f80
212.168.31.129 0:0:0:0:0:ffff:d4a8:1f81
212.168.31.130 0:0:0:0:0:ffff:d4a8:1f82
212.168.31.131 0:0:0:0:0:ffff:d4a8:1f83
212.168.31.132 0:0:0:0:0:ffff:d4a8:1f84
212.168.31.133 0:0:0:0:0:ffff:d4a8:1f85
212.168.31.134 0:0:0:0:0:ffff:d4a8:1f86
212.168.31.135 0:0:0:0:0:ffff:d4a8:1f87
212.168.31.136 0:0:0:0:0:ffff:d4a8:1f88
212.168.31.137 0:0:0:0:0:ffff:d4a8:1f89
212.168.31.138 0:0:0:0:0:ffff:d4a8:1f8a
212.168.31.139 0:0:0:0:0:ffff:d4a8:1f8b
212.168.31.140 0:0:0:0:0:ffff:d4a8:1f8c
212.168.31.141 0:0:0:0:0:ffff:d4a8:1f8d
212.168.31.142 0:0:0:0:0:ffff:d4a8:1f8e
212.168.31.143 0:0:0:0:0:ffff:d4a8:1f8f
212.168.31.144 0:0:0:0:0:ffff:d4a8:1f90
212.168.31.145 0:0:0:0:0:ffff:d4a8:1f91
212.168.31.146 0:0:0:0:0:ffff:d4a8:1f92
212.168.31.147 0:0:0:0:0:ffff:d4a8:1f93
212.168.31.148 0:0:0:0:0:ffff:d4a8:1f94
212.168.31.149 0:0:0:0:0:ffff:d4a8:1f95
212.168.31.150 0:0:0:0:0:ffff:d4a8:1f96
212.168.31.151 0:0:0:0:0:ffff:d4a8:1f97
212.168.31.152 0:0:0:0:0:ffff:d4a8:1f98
212.168.31.153 0:0:0:0:0:ffff:d4a8:1f99
212.168.31.154 0:0:0:0:0:ffff:d4a8:1f9a
212.168.31.155 0:0:0:0:0:ffff:d4a8:1f9b
212.168.31.156 0:0:0:0:0:ffff:d4a8:1f9c
212.168.31.157 0:0:0:0:0:ffff:d4a8:1f9d
212.168.31.158 0:0:0:0:0:ffff:d4a8:1f9e
212.168.31.159 0:0:0:0:0:ffff:d4a8:1f9f
212.168.31.160 0:0:0:0:0:ffff:d4a8:1fa0
212.168.31.161 0:0:0:0:0:ffff:d4a8:1fa1
212.168.31.162 0:0:0:0:0:ffff:d4a8:1fa2
212.168.31.163 0:0:0:0:0:ffff:d4a8:1fa3
212.168.31.164 0:0:0:0:0:ffff:d4a8:1fa4
212.168.31.165 0:0:0:0:0:ffff:d4a8:1fa5
212.168.31.166 0:0:0:0:0:ffff:d4a8:1fa6
212.168.31.167 0:0:0:0:0:ffff:d4a8:1fa7
212.168.31.168 0:0:0:0:0:ffff:d4a8:1fa8
212.168.31.169 0:0:0:0:0:ffff:d4a8:1fa9
212.168.31.170 0:0:0:0:0:ffff:d4a8:1faa
212.168.31.171 0:0:0:0:0:ffff:d4a8:1fab
212.168.31.172 0:0:0:0:0:ffff:d4a8:1fac
212.168.31.173 0:0:0:0:0:ffff:d4a8:1fad
212.168.31.174 0:0:0:0:0:ffff:d4a8:1fae
212.168.31.175 0:0:0:0:0:ffff:d4a8:1faf
212.168.31.176 0:0:0:0:0:ffff:d4a8:1fb0
212.168.31.177 0:0:0:0:0:ffff:d4a8:1fb1
212.168.31.178 0:0:0:0:0:ffff:d4a8:1fb2
212.168.31.179 0:0:0:0:0:ffff:d4a8:1fb3
212.168.31.180 0:0:0:0:0:ffff:d4a8:1fb4


212.168.31.181 0:0:0:0:0:ffff:d4a8:1fb5
212.168.31.182 0:0:0:0:0:ffff:d4a8:1fb6
212.168.31.183 0:0:0:0:0:ffff:d4a8:1fb7
212.168.31.184 0:0:0:0:0:ffff:d4a8:1fb8
212.168.31.185 0:0:0:0:0:ffff:d4a8:1fb9
212.168.31.186 0:0:0:0:0:ffff:d4a8:1fba
212.168.31.187 0:0:0:0:0:ffff:d4a8:1fbb
212.168.31.188 0:0:0:0:0:ffff:d4a8:1fbc
212.168.31.189 0:0:0:0:0:ffff:d4a8:1fbd
212.168.31.190 0:0:0:0:0:ffff:d4a8:1fbe
212.168.31.191 0:0:0:0:0:ffff:d4a8:1fbf
212.168.31.192 0:0:0:0:0:ffff:d4a8:1fc0
212.168.31.193 0:0:0:0:0:ffff:d4a8:1fc1
212.168.31.194 0:0:0:0:0:ffff:d4a8:1fc2
212.168.31.195 0:0:0:0:0:ffff:d4a8:1fc3
212.168.31.196 0:0:0:0:0:ffff:d4a8:1fc4
212.168.31.197 0:0:0:0:0:ffff:d4a8:1fc5
212.168.31.198 0:0:0:0:0:ffff:d4a8:1fc6
212.168.31.199 0:0:0:0:0:ffff:d4a8:1fc7
212.168.31.200 0:0:0:0:0:ffff:d4a8:1fc8
212.168.31.201 0:0:0:0:0:ffff:d4a8:1fc9
212.168.31.202 0:0:0:0:0:ffff:d4a8:1fca
212.168.31.203 0:0:0:0:0:ffff:d4a8:1fcb
212.168.31.204 0:0:0:0:0:ffff:d4a8:1fcc
212.168.31.205 0:0:0:0:0:ffff:d4a8:1fcd
212.168.31.206 0:0:0:0:0:ffff:d4a8:1fce
212.168.31.207 0:0:0:0:0:ffff:d4a8:1fcf
212.168.31.208 0:0:0:0:0:ffff:d4a8:1fd0
212.168.31.209 0:0:0:0:0:ffff:d4a8:1fd1
212.168.31.210 0:0:0:0:0:ffff:d4a8:1fd2
212.168.31.211 0:0:0:0:0:ffff:d4a8:1fd3
212.168.31.212 0:0:0:0:0:ffff:d4a8:1fd4
212.168.31.213 0:0:0:0:0:ffff:d4a8:1fd5
212.168.31.214 0:0:0:0:0:ffff:d4a8:1fd6
212.168.31.215 0:0:0:0:0:ffff:d4a8:1fd7
212.168.31.216 0:0:0:0:0:ffff:d4a8:1fd8
212.168.31.217 0:0:0:0:0:ffff:d4a8:1fd9
212.168.31.218 0:0:0:0:0:ffff:d4a8:1fda
212.168.31.219 0:0:0:0:0:ffff:d4a8:1fdb
212.168.31.220 0:0:0:0:0:ffff:d4a8:1fdc
212.168.31.221 0:0:0:0:0:ffff:d4a8:1fdd
212.168.31.222 0:0:0:0:0:ffff:d4a8:1fde
212.168.31.223 0:0:0:0:0:ffff:d4a8:1fdf
212.168.31.224 0:0:0:0:0:ffff:d4a8:1fe0
212.168.31.225 0:0:0:0:0:ffff:d4a8:1fe1
212.168.31.226 0:0:0:0:0:ffff:d4a8:1fe2
212.168.31.227 0:0:0:0:0:ffff:d4a8:1fe3
212.168.31.228 0:0:0:0:0:ffff:d4a8:1fe4
212.168.31.229 0:0:0:0:0:ffff:d4a8:1fe5
212.168.31.230 0:0:0:0:0:ffff:d4a8:1fe6
212.168.31.231 0:0:0:0:0:ffff:d4a8:1fe7
212.168.31.232 0:0:0:0:0:ffff:d4a8:1fe8
212.168.31.233 0:0:0:0:0:ffff:d4a8:1fe9
212.168.31.234 0:0:0:0:0:ffff:d4a8:1fea
212.168.31.235 0:0:0:0:0:ffff:d4a8:1feb
212.168.31.236 0:0:0:0:0:ffff:d4a8:1fec
212.168.31.237 0:0:0:0:0:ffff:d4a8:1fed
212.168.31.238 0:0:0:0:0:ffff:d4a8:1fee
212.168.31.239 0:0:0:0:0:ffff:d4a8:1fef
212.168.31.240 0:0:0:0:0:ffff:d4a8:1ff0
212.168.31.241 0:0:0:0:0:ffff:d4a8:1ff1
212.168.31.242 0:0:0:0:0:ffff:d4a8:1ff2
212.168.31.243 0:0:0:0:0:ffff:d4a8:1ff3
212.168.31.244 0:0:0:0:0:ffff:d4a8:1ff4
212.168.31.245 0:0:0:0:0:ffff:d4a8:1ff5
212.168.31.246 0:0:0:0:0:ffff:d4a8:1ff6
212.168.31.247 0:0:0:0:0:ffff:d4a8:1ff7
212.168.31.248 0:0:0:0:0:ffff:d4a8:1ff8
212.168.31.249 0:0:0:0:0:ffff:d4a8:1ff9
212.168.31.250 0:0:0:0:0:ffff:d4a8:1ffa
212.168.31.251 0:0:0:0:0:ffff:d4a8:1ffb
212.168.31.252 0:0:0:0:0:ffff:d4a8:1ffc
212.168.31.253 0:0:0:0:0:ffff:d4a8:1ffd
212.168.31.254 0:0:0:0:0:ffff:d4a8:1ffe
212.168.31.255 0:0:0:0:0:ffff:d4a8:1fff


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.