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
32.166.123.1 0:0:0:0:0:ffff:20a6:7b01
32.166.123.2 0:0:0:0:0:ffff:20a6:7b02
32.166.123.3 0:0:0:0:0:ffff:20a6:7b03
32.166.123.4 0:0:0:0:0:ffff:20a6:7b04
32.166.123.5 0:0:0:0:0:ffff:20a6:7b05
32.166.123.6 0:0:0:0:0:ffff:20a6:7b06
32.166.123.7 0:0:0:0:0:ffff:20a6:7b07
32.166.123.8 0:0:0:0:0:ffff:20a6:7b08
32.166.123.9 0:0:0:0:0:ffff:20a6:7b09
32.166.123.10 0:0:0:0:0:ffff:20a6:7b0a
32.166.123.11 0:0:0:0:0:ffff:20a6:7b0b
32.166.123.12 0:0:0:0:0:ffff:20a6:7b0c
32.166.123.13 0:0:0:0:0:ffff:20a6:7b0d
32.166.123.14 0:0:0:0:0:ffff:20a6:7b0e
32.166.123.15 0:0:0:0:0:ffff:20a6:7b0f
32.166.123.16 0:0:0:0:0:ffff:20a6:7b10
32.166.123.17 0:0:0:0:0:ffff:20a6:7b11
32.166.123.18 0:0:0:0:0:ffff:20a6:7b12
32.166.123.19 0:0:0:0:0:ffff:20a6:7b13
32.166.123.20 0:0:0:0:0:ffff:20a6:7b14
32.166.123.21 0:0:0:0:0:ffff:20a6:7b15
32.166.123.22 0:0:0:0:0:ffff:20a6:7b16
32.166.123.23 0:0:0:0:0:ffff:20a6:7b17
32.166.123.24 0:0:0:0:0:ffff:20a6:7b18
32.166.123.25 0:0:0:0:0:ffff:20a6:7b19
32.166.123.26 0:0:0:0:0:ffff:20a6:7b1a
32.166.123.27 0:0:0:0:0:ffff:20a6:7b1b
32.166.123.28 0:0:0:0:0:ffff:20a6:7b1c
32.166.123.29 0:0:0:0:0:ffff:20a6:7b1d
32.166.123.30 0:0:0:0:0:ffff:20a6:7b1e
32.166.123.31 0:0:0:0:0:ffff:20a6:7b1f
32.166.123.32 0:0:0:0:0:ffff:20a6:7b20
32.166.123.33 0:0:0:0:0:ffff:20a6:7b21
32.166.123.34 0:0:0:0:0:ffff:20a6:7b22
32.166.123.35 0:0:0:0:0:ffff:20a6:7b23
32.166.123.36 0:0:0:0:0:ffff:20a6:7b24
32.166.123.37 0:0:0:0:0:ffff:20a6:7b25
32.166.123.38 0:0:0:0:0:ffff:20a6:7b26
32.166.123.39 0:0:0:0:0:ffff:20a6:7b27
32.166.123.40 0:0:0:0:0:ffff:20a6:7b28
32.166.123.41 0:0:0:0:0:ffff:20a6:7b29
32.166.123.42 0:0:0:0:0:ffff:20a6:7b2a
32.166.123.43 0:0:0:0:0:ffff:20a6:7b2b
32.166.123.44 0:0:0:0:0:ffff:20a6:7b2c
32.166.123.45 0:0:0:0:0:ffff:20a6:7b2d
32.166.123.46 0:0:0:0:0:ffff:20a6:7b2e
32.166.123.47 0:0:0:0:0:ffff:20a6:7b2f
32.166.123.48 0:0:0:0:0:ffff:20a6:7b30
32.166.123.49 0:0:0:0:0:ffff:20a6:7b31
32.166.123.50 0:0:0:0:0:ffff:20a6:7b32
32.166.123.51 0:0:0:0:0:ffff:20a6:7b33
32.166.123.52 0:0:0:0:0:ffff:20a6:7b34
32.166.123.53 0:0:0:0:0:ffff:20a6:7b35
32.166.123.54 0:0:0:0:0:ffff:20a6:7b36
32.166.123.55 0:0:0:0:0:ffff:20a6:7b37
32.166.123.56 0:0:0:0:0:ffff:20a6:7b38
32.166.123.57 0:0:0:0:0:ffff:20a6:7b39
32.166.123.58 0:0:0:0:0:ffff:20a6:7b3a
32.166.123.59 0:0:0:0:0:ffff:20a6:7b3b
32.166.123.60 0:0:0:0:0:ffff:20a6:7b3c


32.166.123.61 0:0:0:0:0:ffff:20a6:7b3d
32.166.123.62 0:0:0:0:0:ffff:20a6:7b3e
32.166.123.63 0:0:0:0:0:ffff:20a6:7b3f
32.166.123.64 0:0:0:0:0:ffff:20a6:7b40
32.166.123.65 0:0:0:0:0:ffff:20a6:7b41
32.166.123.66 0:0:0:0:0:ffff:20a6:7b42
32.166.123.67 0:0:0:0:0:ffff:20a6:7b43
32.166.123.68 0:0:0:0:0:ffff:20a6:7b44
32.166.123.69 0:0:0:0:0:ffff:20a6:7b45
32.166.123.70 0:0:0:0:0:ffff:20a6:7b46
32.166.123.71 0:0:0:0:0:ffff:20a6:7b47
32.166.123.72 0:0:0:0:0:ffff:20a6:7b48
32.166.123.73 0:0:0:0:0:ffff:20a6:7b49
32.166.123.74 0:0:0:0:0:ffff:20a6:7b4a
32.166.123.75 0:0:0:0:0:ffff:20a6:7b4b
32.166.123.76 0:0:0:0:0:ffff:20a6:7b4c
32.166.123.77 0:0:0:0:0:ffff:20a6:7b4d
32.166.123.78 0:0:0:0:0:ffff:20a6:7b4e
32.166.123.79 0:0:0:0:0:ffff:20a6:7b4f
32.166.123.80 0:0:0:0:0:ffff:20a6:7b50
32.166.123.81 0:0:0:0:0:ffff:20a6:7b51
32.166.123.82 0:0:0:0:0:ffff:20a6:7b52
32.166.123.83 0:0:0:0:0:ffff:20a6:7b53
32.166.123.84 0:0:0:0:0:ffff:20a6:7b54
32.166.123.85 0:0:0:0:0:ffff:20a6:7b55
32.166.123.86 0:0:0:0:0:ffff:20a6:7b56
32.166.123.87 0:0:0:0:0:ffff:20a6:7b57
32.166.123.88 0:0:0:0:0:ffff:20a6:7b58
32.166.123.89 0:0:0:0:0:ffff:20a6:7b59
32.166.123.90 0:0:0:0:0:ffff:20a6:7b5a
32.166.123.91 0:0:0:0:0:ffff:20a6:7b5b
32.166.123.92 0:0:0:0:0:ffff:20a6:7b5c
32.166.123.93 0:0:0:0:0:ffff:20a6:7b5d
32.166.123.94 0:0:0:0:0:ffff:20a6:7b5e
32.166.123.95 0:0:0:0:0:ffff:20a6:7b5f
32.166.123.96 0:0:0:0:0:ffff:20a6:7b60
32.166.123.97 0:0:0:0:0:ffff:20a6:7b61
32.166.123.98 0:0:0:0:0:ffff:20a6:7b62
32.166.123.99 0:0:0:0:0:ffff:20a6:7b63
32.166.123.100 0:0:0:0:0:ffff:20a6:7b64
32.166.123.101 0:0:0:0:0:ffff:20a6:7b65
32.166.123.102 0:0:0:0:0:ffff:20a6:7b66
32.166.123.103 0:0:0:0:0:ffff:20a6:7b67
32.166.123.104 0:0:0:0:0:ffff:20a6:7b68
32.166.123.105 0:0:0:0:0:ffff:20a6:7b69
32.166.123.106 0:0:0:0:0:ffff:20a6:7b6a
32.166.123.107 0:0:0:0:0:ffff:20a6:7b6b
32.166.123.108 0:0:0:0:0:ffff:20a6:7b6c
32.166.123.109 0:0:0:0:0:ffff:20a6:7b6d
32.166.123.110 0:0:0:0:0:ffff:20a6:7b6e
32.166.123.111 0:0:0:0:0:ffff:20a6:7b6f
32.166.123.112 0:0:0:0:0:ffff:20a6:7b70
32.166.123.113 0:0:0:0:0:ffff:20a6:7b71
32.166.123.114 0:0:0:0:0:ffff:20a6:7b72
32.166.123.115 0:0:0:0:0:ffff:20a6:7b73
32.166.123.116 0:0:0:0:0:ffff:20a6:7b74
32.166.123.117 0:0:0:0:0:ffff:20a6:7b75
32.166.123.118 0:0:0:0:0:ffff:20a6:7b76
32.166.123.119 0:0:0:0:0:ffff:20a6:7b77
32.166.123.120 0:0:0:0:0:ffff:20a6:7b78


32.166.123.121 0:0:0:0:0:ffff:20a6:7b79
32.166.123.122 0:0:0:0:0:ffff:20a6:7b7a
32.166.123.123 0:0:0:0:0:ffff:20a6:7b7b
32.166.123.124 0:0:0:0:0:ffff:20a6:7b7c
32.166.123.125 0:0:0:0:0:ffff:20a6:7b7d
32.166.123.126 0:0:0:0:0:ffff:20a6:7b7e
32.166.123.127 0:0:0:0:0:ffff:20a6:7b7f
32.166.123.128 0:0:0:0:0:ffff:20a6:7b80
32.166.123.129 0:0:0:0:0:ffff:20a6:7b81
32.166.123.130 0:0:0:0:0:ffff:20a6:7b82
32.166.123.131 0:0:0:0:0:ffff:20a6:7b83
32.166.123.132 0:0:0:0:0:ffff:20a6:7b84
32.166.123.133 0:0:0:0:0:ffff:20a6:7b85
32.166.123.134 0:0:0:0:0:ffff:20a6:7b86
32.166.123.135 0:0:0:0:0:ffff:20a6:7b87
32.166.123.136 0:0:0:0:0:ffff:20a6:7b88
32.166.123.137 0:0:0:0:0:ffff:20a6:7b89
32.166.123.138 0:0:0:0:0:ffff:20a6:7b8a
32.166.123.139 0:0:0:0:0:ffff:20a6:7b8b
32.166.123.140 0:0:0:0:0:ffff:20a6:7b8c
32.166.123.141 0:0:0:0:0:ffff:20a6:7b8d
32.166.123.142 0:0:0:0:0:ffff:20a6:7b8e
32.166.123.143 0:0:0:0:0:ffff:20a6:7b8f
32.166.123.144 0:0:0:0:0:ffff:20a6:7b90
32.166.123.145 0:0:0:0:0:ffff:20a6:7b91
32.166.123.146 0:0:0:0:0:ffff:20a6:7b92
32.166.123.147 0:0:0:0:0:ffff:20a6:7b93
32.166.123.148 0:0:0:0:0:ffff:20a6:7b94
32.166.123.149 0:0:0:0:0:ffff:20a6:7b95
32.166.123.150 0:0:0:0:0:ffff:20a6:7b96
32.166.123.151 0:0:0:0:0:ffff:20a6:7b97
32.166.123.152 0:0:0:0:0:ffff:20a6:7b98
32.166.123.153 0:0:0:0:0:ffff:20a6:7b99
32.166.123.154 0:0:0:0:0:ffff:20a6:7b9a
32.166.123.155 0:0:0:0:0:ffff:20a6:7b9b
32.166.123.156 0:0:0:0:0:ffff:20a6:7b9c
32.166.123.157 0:0:0:0:0:ffff:20a6:7b9d
32.166.123.158 0:0:0:0:0:ffff:20a6:7b9e
32.166.123.159 0:0:0:0:0:ffff:20a6:7b9f
32.166.123.160 0:0:0:0:0:ffff:20a6:7ba0
32.166.123.161 0:0:0:0:0:ffff:20a6:7ba1
32.166.123.162 0:0:0:0:0:ffff:20a6:7ba2
32.166.123.163 0:0:0:0:0:ffff:20a6:7ba3
32.166.123.164 0:0:0:0:0:ffff:20a6:7ba4
32.166.123.165 0:0:0:0:0:ffff:20a6:7ba5
32.166.123.166 0:0:0:0:0:ffff:20a6:7ba6
32.166.123.167 0:0:0:0:0:ffff:20a6:7ba7
32.166.123.168 0:0:0:0:0:ffff:20a6:7ba8
32.166.123.169 0:0:0:0:0:ffff:20a6:7ba9
32.166.123.170 0:0:0:0:0:ffff:20a6:7baa
32.166.123.171 0:0:0:0:0:ffff:20a6:7bab
32.166.123.172 0:0:0:0:0:ffff:20a6:7bac
32.166.123.173 0:0:0:0:0:ffff:20a6:7bad
32.166.123.174 0:0:0:0:0:ffff:20a6:7bae
32.166.123.175 0:0:0:0:0:ffff:20a6:7baf
32.166.123.176 0:0:0:0:0:ffff:20a6:7bb0
32.166.123.177 0:0:0:0:0:ffff:20a6:7bb1
32.166.123.178 0:0:0:0:0:ffff:20a6:7bb2
32.166.123.179 0:0:0:0:0:ffff:20a6:7bb3
32.166.123.180 0:0:0:0:0:ffff:20a6:7bb4


32.166.123.181 0:0:0:0:0:ffff:20a6:7bb5
32.166.123.182 0:0:0:0:0:ffff:20a6:7bb6
32.166.123.183 0:0:0:0:0:ffff:20a6:7bb7
32.166.123.184 0:0:0:0:0:ffff:20a6:7bb8
32.166.123.185 0:0:0:0:0:ffff:20a6:7bb9
32.166.123.186 0:0:0:0:0:ffff:20a6:7bba
32.166.123.187 0:0:0:0:0:ffff:20a6:7bbb
32.166.123.188 0:0:0:0:0:ffff:20a6:7bbc
32.166.123.189 0:0:0:0:0:ffff:20a6:7bbd
32.166.123.190 0:0:0:0:0:ffff:20a6:7bbe
32.166.123.191 0:0:0:0:0:ffff:20a6:7bbf
32.166.123.192 0:0:0:0:0:ffff:20a6:7bc0
32.166.123.193 0:0:0:0:0:ffff:20a6:7bc1
32.166.123.194 0:0:0:0:0:ffff:20a6:7bc2
32.166.123.195 0:0:0:0:0:ffff:20a6:7bc3
32.166.123.196 0:0:0:0:0:ffff:20a6:7bc4
32.166.123.197 0:0:0:0:0:ffff:20a6:7bc5
32.166.123.198 0:0:0:0:0:ffff:20a6:7bc6
32.166.123.199 0:0:0:0:0:ffff:20a6:7bc7
32.166.123.200 0:0:0:0:0:ffff:20a6:7bc8
32.166.123.201 0:0:0:0:0:ffff:20a6:7bc9
32.166.123.202 0:0:0:0:0:ffff:20a6:7bca
32.166.123.203 0:0:0:0:0:ffff:20a6:7bcb
32.166.123.204 0:0:0:0:0:ffff:20a6:7bcc
32.166.123.205 0:0:0:0:0:ffff:20a6:7bcd
32.166.123.206 0:0:0:0:0:ffff:20a6:7bce
32.166.123.207 0:0:0:0:0:ffff:20a6:7bcf
32.166.123.208 0:0:0:0:0:ffff:20a6:7bd0
32.166.123.209 0:0:0:0:0:ffff:20a6:7bd1
32.166.123.210 0:0:0:0:0:ffff:20a6:7bd2
32.166.123.211 0:0:0:0:0:ffff:20a6:7bd3
32.166.123.212 0:0:0:0:0:ffff:20a6:7bd4
32.166.123.213 0:0:0:0:0:ffff:20a6:7bd5
32.166.123.214 0:0:0:0:0:ffff:20a6:7bd6
32.166.123.215 0:0:0:0:0:ffff:20a6:7bd7
32.166.123.216 0:0:0:0:0:ffff:20a6:7bd8
32.166.123.217 0:0:0:0:0:ffff:20a6:7bd9
32.166.123.218 0:0:0:0:0:ffff:20a6:7bda
32.166.123.219 0:0:0:0:0:ffff:20a6:7bdb
32.166.123.220 0:0:0:0:0:ffff:20a6:7bdc
32.166.123.221 0:0:0:0:0:ffff:20a6:7bdd
32.166.123.222 0:0:0:0:0:ffff:20a6:7bde
32.166.123.223 0:0:0:0:0:ffff:20a6:7bdf
32.166.123.224 0:0:0:0:0:ffff:20a6:7be0
32.166.123.225 0:0:0:0:0:ffff:20a6:7be1
32.166.123.226 0:0:0:0:0:ffff:20a6:7be2
32.166.123.227 0:0:0:0:0:ffff:20a6:7be3
32.166.123.228 0:0:0:0:0:ffff:20a6:7be4
32.166.123.229 0:0:0:0:0:ffff:20a6:7be5
32.166.123.230 0:0:0:0:0:ffff:20a6:7be6
32.166.123.231 0:0:0:0:0:ffff:20a6:7be7
32.166.123.232 0:0:0:0:0:ffff:20a6:7be8
32.166.123.233 0:0:0:0:0:ffff:20a6:7be9
32.166.123.234 0:0:0:0:0:ffff:20a6:7bea
32.166.123.235 0:0:0:0:0:ffff:20a6:7beb
32.166.123.236 0:0:0:0:0:ffff:20a6:7bec
32.166.123.237 0:0:0:0:0:ffff:20a6:7bed
32.166.123.238 0:0:0:0:0:ffff:20a6:7bee
32.166.123.239 0:0:0:0:0:ffff:20a6:7bef
32.166.123.240 0:0:0:0:0:ffff:20a6:7bf0
32.166.123.241 0:0:0:0:0:ffff:20a6:7bf1
32.166.123.242 0:0:0:0:0:ffff:20a6:7bf2
32.166.123.243 0:0:0:0:0:ffff:20a6:7bf3
32.166.123.244 0:0:0:0:0:ffff:20a6:7bf4
32.166.123.245 0:0:0:0:0:ffff:20a6:7bf5
32.166.123.246 0:0:0:0:0:ffff:20a6:7bf6
32.166.123.247 0:0:0:0:0:ffff:20a6:7bf7
32.166.123.248 0:0:0:0:0:ffff:20a6:7bf8
32.166.123.249 0:0:0:0:0:ffff:20a6:7bf9
32.166.123.250 0:0:0:0:0:ffff:20a6:7bfa
32.166.123.251 0:0:0:0:0:ffff:20a6:7bfb
32.166.123.252 0:0:0:0:0:ffff:20a6:7bfc
32.166.123.253 0:0:0:0:0:ffff:20a6:7bfd
32.166.123.254 0:0:0:0:0:ffff:20a6:7bfe
32.166.123.255 0:0:0:0:0:ffff:20a6:7bff


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.