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
31.150.123.1 0:0:0:0:0:ffff:1f96:7b01
31.150.123.2 0:0:0:0:0:ffff:1f96:7b02
31.150.123.3 0:0:0:0:0:ffff:1f96:7b03
31.150.123.4 0:0:0:0:0:ffff:1f96:7b04
31.150.123.5 0:0:0:0:0:ffff:1f96:7b05
31.150.123.6 0:0:0:0:0:ffff:1f96:7b06
31.150.123.7 0:0:0:0:0:ffff:1f96:7b07
31.150.123.8 0:0:0:0:0:ffff:1f96:7b08
31.150.123.9 0:0:0:0:0:ffff:1f96:7b09
31.150.123.10 0:0:0:0:0:ffff:1f96:7b0a
31.150.123.11 0:0:0:0:0:ffff:1f96:7b0b
31.150.123.12 0:0:0:0:0:ffff:1f96:7b0c
31.150.123.13 0:0:0:0:0:ffff:1f96:7b0d
31.150.123.14 0:0:0:0:0:ffff:1f96:7b0e
31.150.123.15 0:0:0:0:0:ffff:1f96:7b0f
31.150.123.16 0:0:0:0:0:ffff:1f96:7b10
31.150.123.17 0:0:0:0:0:ffff:1f96:7b11
31.150.123.18 0:0:0:0:0:ffff:1f96:7b12
31.150.123.19 0:0:0:0:0:ffff:1f96:7b13
31.150.123.20 0:0:0:0:0:ffff:1f96:7b14
31.150.123.21 0:0:0:0:0:ffff:1f96:7b15
31.150.123.22 0:0:0:0:0:ffff:1f96:7b16
31.150.123.23 0:0:0:0:0:ffff:1f96:7b17
31.150.123.24 0:0:0:0:0:ffff:1f96:7b18
31.150.123.25 0:0:0:0:0:ffff:1f96:7b19
31.150.123.26 0:0:0:0:0:ffff:1f96:7b1a
31.150.123.27 0:0:0:0:0:ffff:1f96:7b1b
31.150.123.28 0:0:0:0:0:ffff:1f96:7b1c
31.150.123.29 0:0:0:0:0:ffff:1f96:7b1d
31.150.123.30 0:0:0:0:0:ffff:1f96:7b1e
31.150.123.31 0:0:0:0:0:ffff:1f96:7b1f
31.150.123.32 0:0:0:0:0:ffff:1f96:7b20
31.150.123.33 0:0:0:0:0:ffff:1f96:7b21
31.150.123.34 0:0:0:0:0:ffff:1f96:7b22
31.150.123.35 0:0:0:0:0:ffff:1f96:7b23
31.150.123.36 0:0:0:0:0:ffff:1f96:7b24
31.150.123.37 0:0:0:0:0:ffff:1f96:7b25
31.150.123.38 0:0:0:0:0:ffff:1f96:7b26
31.150.123.39 0:0:0:0:0:ffff:1f96:7b27
31.150.123.40 0:0:0:0:0:ffff:1f96:7b28
31.150.123.41 0:0:0:0:0:ffff:1f96:7b29
31.150.123.42 0:0:0:0:0:ffff:1f96:7b2a
31.150.123.43 0:0:0:0:0:ffff:1f96:7b2b
31.150.123.44 0:0:0:0:0:ffff:1f96:7b2c
31.150.123.45 0:0:0:0:0:ffff:1f96:7b2d
31.150.123.46 0:0:0:0:0:ffff:1f96:7b2e
31.150.123.47 0:0:0:0:0:ffff:1f96:7b2f
31.150.123.48 0:0:0:0:0:ffff:1f96:7b30
31.150.123.49 0:0:0:0:0:ffff:1f96:7b31
31.150.123.50 0:0:0:0:0:ffff:1f96:7b32
31.150.123.51 0:0:0:0:0:ffff:1f96:7b33
31.150.123.52 0:0:0:0:0:ffff:1f96:7b34
31.150.123.53 0:0:0:0:0:ffff:1f96:7b35
31.150.123.54 0:0:0:0:0:ffff:1f96:7b36
31.150.123.55 0:0:0:0:0:ffff:1f96:7b37
31.150.123.56 0:0:0:0:0:ffff:1f96:7b38
31.150.123.57 0:0:0:0:0:ffff:1f96:7b39
31.150.123.58 0:0:0:0:0:ffff:1f96:7b3a
31.150.123.59 0:0:0:0:0:ffff:1f96:7b3b
31.150.123.60 0:0:0:0:0:ffff:1f96:7b3c


31.150.123.61 0:0:0:0:0:ffff:1f96:7b3d
31.150.123.62 0:0:0:0:0:ffff:1f96:7b3e
31.150.123.63 0:0:0:0:0:ffff:1f96:7b3f
31.150.123.64 0:0:0:0:0:ffff:1f96:7b40
31.150.123.65 0:0:0:0:0:ffff:1f96:7b41
31.150.123.66 0:0:0:0:0:ffff:1f96:7b42
31.150.123.67 0:0:0:0:0:ffff:1f96:7b43
31.150.123.68 0:0:0:0:0:ffff:1f96:7b44
31.150.123.69 0:0:0:0:0:ffff:1f96:7b45
31.150.123.70 0:0:0:0:0:ffff:1f96:7b46
31.150.123.71 0:0:0:0:0:ffff:1f96:7b47
31.150.123.72 0:0:0:0:0:ffff:1f96:7b48
31.150.123.73 0:0:0:0:0:ffff:1f96:7b49
31.150.123.74 0:0:0:0:0:ffff:1f96:7b4a
31.150.123.75 0:0:0:0:0:ffff:1f96:7b4b
31.150.123.76 0:0:0:0:0:ffff:1f96:7b4c
31.150.123.77 0:0:0:0:0:ffff:1f96:7b4d
31.150.123.78 0:0:0:0:0:ffff:1f96:7b4e
31.150.123.79 0:0:0:0:0:ffff:1f96:7b4f
31.150.123.80 0:0:0:0:0:ffff:1f96:7b50
31.150.123.81 0:0:0:0:0:ffff:1f96:7b51
31.150.123.82 0:0:0:0:0:ffff:1f96:7b52
31.150.123.83 0:0:0:0:0:ffff:1f96:7b53
31.150.123.84 0:0:0:0:0:ffff:1f96:7b54
31.150.123.85 0:0:0:0:0:ffff:1f96:7b55
31.150.123.86 0:0:0:0:0:ffff:1f96:7b56
31.150.123.87 0:0:0:0:0:ffff:1f96:7b57
31.150.123.88 0:0:0:0:0:ffff:1f96:7b58
31.150.123.89 0:0:0:0:0:ffff:1f96:7b59
31.150.123.90 0:0:0:0:0:ffff:1f96:7b5a
31.150.123.91 0:0:0:0:0:ffff:1f96:7b5b
31.150.123.92 0:0:0:0:0:ffff:1f96:7b5c
31.150.123.93 0:0:0:0:0:ffff:1f96:7b5d
31.150.123.94 0:0:0:0:0:ffff:1f96:7b5e
31.150.123.95 0:0:0:0:0:ffff:1f96:7b5f
31.150.123.96 0:0:0:0:0:ffff:1f96:7b60
31.150.123.97 0:0:0:0:0:ffff:1f96:7b61
31.150.123.98 0:0:0:0:0:ffff:1f96:7b62
31.150.123.99 0:0:0:0:0:ffff:1f96:7b63
31.150.123.100 0:0:0:0:0:ffff:1f96:7b64
31.150.123.101 0:0:0:0:0:ffff:1f96:7b65
31.150.123.102 0:0:0:0:0:ffff:1f96:7b66
31.150.123.103 0:0:0:0:0:ffff:1f96:7b67
31.150.123.104 0:0:0:0:0:ffff:1f96:7b68
31.150.123.105 0:0:0:0:0:ffff:1f96:7b69
31.150.123.106 0:0:0:0:0:ffff:1f96:7b6a
31.150.123.107 0:0:0:0:0:ffff:1f96:7b6b
31.150.123.108 0:0:0:0:0:ffff:1f96:7b6c
31.150.123.109 0:0:0:0:0:ffff:1f96:7b6d
31.150.123.110 0:0:0:0:0:ffff:1f96:7b6e
31.150.123.111 0:0:0:0:0:ffff:1f96:7b6f
31.150.123.112 0:0:0:0:0:ffff:1f96:7b70
31.150.123.113 0:0:0:0:0:ffff:1f96:7b71
31.150.123.114 0:0:0:0:0:ffff:1f96:7b72
31.150.123.115 0:0:0:0:0:ffff:1f96:7b73
31.150.123.116 0:0:0:0:0:ffff:1f96:7b74
31.150.123.117 0:0:0:0:0:ffff:1f96:7b75
31.150.123.118 0:0:0:0:0:ffff:1f96:7b76
31.150.123.119 0:0:0:0:0:ffff:1f96:7b77
31.150.123.120 0:0:0:0:0:ffff:1f96:7b78


31.150.123.121 0:0:0:0:0:ffff:1f96:7b79
31.150.123.122 0:0:0:0:0:ffff:1f96:7b7a
31.150.123.123 0:0:0:0:0:ffff:1f96:7b7b
31.150.123.124 0:0:0:0:0:ffff:1f96:7b7c
31.150.123.125 0:0:0:0:0:ffff:1f96:7b7d
31.150.123.126 0:0:0:0:0:ffff:1f96:7b7e
31.150.123.127 0:0:0:0:0:ffff:1f96:7b7f
31.150.123.128 0:0:0:0:0:ffff:1f96:7b80
31.150.123.129 0:0:0:0:0:ffff:1f96:7b81
31.150.123.130 0:0:0:0:0:ffff:1f96:7b82
31.150.123.131 0:0:0:0:0:ffff:1f96:7b83
31.150.123.132 0:0:0:0:0:ffff:1f96:7b84
31.150.123.133 0:0:0:0:0:ffff:1f96:7b85
31.150.123.134 0:0:0:0:0:ffff:1f96:7b86
31.150.123.135 0:0:0:0:0:ffff:1f96:7b87
31.150.123.136 0:0:0:0:0:ffff:1f96:7b88
31.150.123.137 0:0:0:0:0:ffff:1f96:7b89
31.150.123.138 0:0:0:0:0:ffff:1f96:7b8a
31.150.123.139 0:0:0:0:0:ffff:1f96:7b8b
31.150.123.140 0:0:0:0:0:ffff:1f96:7b8c
31.150.123.141 0:0:0:0:0:ffff:1f96:7b8d
31.150.123.142 0:0:0:0:0:ffff:1f96:7b8e
31.150.123.143 0:0:0:0:0:ffff:1f96:7b8f
31.150.123.144 0:0:0:0:0:ffff:1f96:7b90
31.150.123.145 0:0:0:0:0:ffff:1f96:7b91
31.150.123.146 0:0:0:0:0:ffff:1f96:7b92
31.150.123.147 0:0:0:0:0:ffff:1f96:7b93
31.150.123.148 0:0:0:0:0:ffff:1f96:7b94
31.150.123.149 0:0:0:0:0:ffff:1f96:7b95
31.150.123.150 0:0:0:0:0:ffff:1f96:7b96
31.150.123.151 0:0:0:0:0:ffff:1f96:7b97
31.150.123.152 0:0:0:0:0:ffff:1f96:7b98
31.150.123.153 0:0:0:0:0:ffff:1f96:7b99
31.150.123.154 0:0:0:0:0:ffff:1f96:7b9a
31.150.123.155 0:0:0:0:0:ffff:1f96:7b9b
31.150.123.156 0:0:0:0:0:ffff:1f96:7b9c
31.150.123.157 0:0:0:0:0:ffff:1f96:7b9d
31.150.123.158 0:0:0:0:0:ffff:1f96:7b9e
31.150.123.159 0:0:0:0:0:ffff:1f96:7b9f
31.150.123.160 0:0:0:0:0:ffff:1f96:7ba0
31.150.123.161 0:0:0:0:0:ffff:1f96:7ba1
31.150.123.162 0:0:0:0:0:ffff:1f96:7ba2
31.150.123.163 0:0:0:0:0:ffff:1f96:7ba3
31.150.123.164 0:0:0:0:0:ffff:1f96:7ba4
31.150.123.165 0:0:0:0:0:ffff:1f96:7ba5
31.150.123.166 0:0:0:0:0:ffff:1f96:7ba6
31.150.123.167 0:0:0:0:0:ffff:1f96:7ba7
31.150.123.168 0:0:0:0:0:ffff:1f96:7ba8
31.150.123.169 0:0:0:0:0:ffff:1f96:7ba9
31.150.123.170 0:0:0:0:0:ffff:1f96:7baa
31.150.123.171 0:0:0:0:0:ffff:1f96:7bab
31.150.123.172 0:0:0:0:0:ffff:1f96:7bac
31.150.123.173 0:0:0:0:0:ffff:1f96:7bad
31.150.123.174 0:0:0:0:0:ffff:1f96:7bae
31.150.123.175 0:0:0:0:0:ffff:1f96:7baf
31.150.123.176 0:0:0:0:0:ffff:1f96:7bb0
31.150.123.177 0:0:0:0:0:ffff:1f96:7bb1
31.150.123.178 0:0:0:0:0:ffff:1f96:7bb2
31.150.123.179 0:0:0:0:0:ffff:1f96:7bb3
31.150.123.180 0:0:0:0:0:ffff:1f96:7bb4


31.150.123.181 0:0:0:0:0:ffff:1f96:7bb5
31.150.123.182 0:0:0:0:0:ffff:1f96:7bb6
31.150.123.183 0:0:0:0:0:ffff:1f96:7bb7
31.150.123.184 0:0:0:0:0:ffff:1f96:7bb8
31.150.123.185 0:0:0:0:0:ffff:1f96:7bb9
31.150.123.186 0:0:0:0:0:ffff:1f96:7bba
31.150.123.187 0:0:0:0:0:ffff:1f96:7bbb
31.150.123.188 0:0:0:0:0:ffff:1f96:7bbc
31.150.123.189 0:0:0:0:0:ffff:1f96:7bbd
31.150.123.190 0:0:0:0:0:ffff:1f96:7bbe
31.150.123.191 0:0:0:0:0:ffff:1f96:7bbf
31.150.123.192 0:0:0:0:0:ffff:1f96:7bc0
31.150.123.193 0:0:0:0:0:ffff:1f96:7bc1
31.150.123.194 0:0:0:0:0:ffff:1f96:7bc2
31.150.123.195 0:0:0:0:0:ffff:1f96:7bc3
31.150.123.196 0:0:0:0:0:ffff:1f96:7bc4
31.150.123.197 0:0:0:0:0:ffff:1f96:7bc5
31.150.123.198 0:0:0:0:0:ffff:1f96:7bc6
31.150.123.199 0:0:0:0:0:ffff:1f96:7bc7
31.150.123.200 0:0:0:0:0:ffff:1f96:7bc8
31.150.123.201 0:0:0:0:0:ffff:1f96:7bc9
31.150.123.202 0:0:0:0:0:ffff:1f96:7bca
31.150.123.203 0:0:0:0:0:ffff:1f96:7bcb
31.150.123.204 0:0:0:0:0:ffff:1f96:7bcc
31.150.123.205 0:0:0:0:0:ffff:1f96:7bcd
31.150.123.206 0:0:0:0:0:ffff:1f96:7bce
31.150.123.207 0:0:0:0:0:ffff:1f96:7bcf
31.150.123.208 0:0:0:0:0:ffff:1f96:7bd0
31.150.123.209 0:0:0:0:0:ffff:1f96:7bd1
31.150.123.210 0:0:0:0:0:ffff:1f96:7bd2
31.150.123.211 0:0:0:0:0:ffff:1f96:7bd3
31.150.123.212 0:0:0:0:0:ffff:1f96:7bd4
31.150.123.213 0:0:0:0:0:ffff:1f96:7bd5
31.150.123.214 0:0:0:0:0:ffff:1f96:7bd6
31.150.123.215 0:0:0:0:0:ffff:1f96:7bd7
31.150.123.216 0:0:0:0:0:ffff:1f96:7bd8
31.150.123.217 0:0:0:0:0:ffff:1f96:7bd9
31.150.123.218 0:0:0:0:0:ffff:1f96:7bda
31.150.123.219 0:0:0:0:0:ffff:1f96:7bdb
31.150.123.220 0:0:0:0:0:ffff:1f96:7bdc
31.150.123.221 0:0:0:0:0:ffff:1f96:7bdd
31.150.123.222 0:0:0:0:0:ffff:1f96:7bde
31.150.123.223 0:0:0:0:0:ffff:1f96:7bdf
31.150.123.224 0:0:0:0:0:ffff:1f96:7be0
31.150.123.225 0:0:0:0:0:ffff:1f96:7be1
31.150.123.226 0:0:0:0:0:ffff:1f96:7be2
31.150.123.227 0:0:0:0:0:ffff:1f96:7be3
31.150.123.228 0:0:0:0:0:ffff:1f96:7be4
31.150.123.229 0:0:0:0:0:ffff:1f96:7be5
31.150.123.230 0:0:0:0:0:ffff:1f96:7be6
31.150.123.231 0:0:0:0:0:ffff:1f96:7be7
31.150.123.232 0:0:0:0:0:ffff:1f96:7be8
31.150.123.233 0:0:0:0:0:ffff:1f96:7be9
31.150.123.234 0:0:0:0:0:ffff:1f96:7bea
31.150.123.235 0:0:0:0:0:ffff:1f96:7beb
31.150.123.236 0:0:0:0:0:ffff:1f96:7bec
31.150.123.237 0:0:0:0:0:ffff:1f96:7bed
31.150.123.238 0:0:0:0:0:ffff:1f96:7bee
31.150.123.239 0:0:0:0:0:ffff:1f96:7bef
31.150.123.240 0:0:0:0:0:ffff:1f96:7bf0
31.150.123.241 0:0:0:0:0:ffff:1f96:7bf1
31.150.123.242 0:0:0:0:0:ffff:1f96:7bf2
31.150.123.243 0:0:0:0:0:ffff:1f96:7bf3
31.150.123.244 0:0:0:0:0:ffff:1f96:7bf4
31.150.123.245 0:0:0:0:0:ffff:1f96:7bf5
31.150.123.246 0:0:0:0:0:ffff:1f96:7bf6
31.150.123.247 0:0:0:0:0:ffff:1f96:7bf7
31.150.123.248 0:0:0:0:0:ffff:1f96:7bf8
31.150.123.249 0:0:0:0:0:ffff:1f96:7bf9
31.150.123.250 0:0:0:0:0:ffff:1f96:7bfa
31.150.123.251 0:0:0:0:0:ffff:1f96:7bfb
31.150.123.252 0:0:0:0:0:ffff:1f96:7bfc
31.150.123.253 0:0:0:0:0:ffff:1f96:7bfd
31.150.123.254 0:0:0:0:0:ffff:1f96:7bfe
31.150.123.255 0:0:0:0:0:ffff:1f96:7bff


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.