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
197.10.123.1 0:0:0:0:0:ffff:c50a:7b01
197.10.123.2 0:0:0:0:0:ffff:c50a:7b02
197.10.123.3 0:0:0:0:0:ffff:c50a:7b03
197.10.123.4 0:0:0:0:0:ffff:c50a:7b04
197.10.123.5 0:0:0:0:0:ffff:c50a:7b05
197.10.123.6 0:0:0:0:0:ffff:c50a:7b06
197.10.123.7 0:0:0:0:0:ffff:c50a:7b07
197.10.123.8 0:0:0:0:0:ffff:c50a:7b08
197.10.123.9 0:0:0:0:0:ffff:c50a:7b09
197.10.123.10 0:0:0:0:0:ffff:c50a:7b0a
197.10.123.11 0:0:0:0:0:ffff:c50a:7b0b
197.10.123.12 0:0:0:0:0:ffff:c50a:7b0c
197.10.123.13 0:0:0:0:0:ffff:c50a:7b0d
197.10.123.14 0:0:0:0:0:ffff:c50a:7b0e
197.10.123.15 0:0:0:0:0:ffff:c50a:7b0f
197.10.123.16 0:0:0:0:0:ffff:c50a:7b10
197.10.123.17 0:0:0:0:0:ffff:c50a:7b11
197.10.123.18 0:0:0:0:0:ffff:c50a:7b12
197.10.123.19 0:0:0:0:0:ffff:c50a:7b13
197.10.123.20 0:0:0:0:0:ffff:c50a:7b14
197.10.123.21 0:0:0:0:0:ffff:c50a:7b15
197.10.123.22 0:0:0:0:0:ffff:c50a:7b16
197.10.123.23 0:0:0:0:0:ffff:c50a:7b17
197.10.123.24 0:0:0:0:0:ffff:c50a:7b18
197.10.123.25 0:0:0:0:0:ffff:c50a:7b19
197.10.123.26 0:0:0:0:0:ffff:c50a:7b1a
197.10.123.27 0:0:0:0:0:ffff:c50a:7b1b
197.10.123.28 0:0:0:0:0:ffff:c50a:7b1c
197.10.123.29 0:0:0:0:0:ffff:c50a:7b1d
197.10.123.30 0:0:0:0:0:ffff:c50a:7b1e
197.10.123.31 0:0:0:0:0:ffff:c50a:7b1f
197.10.123.32 0:0:0:0:0:ffff:c50a:7b20
197.10.123.33 0:0:0:0:0:ffff:c50a:7b21
197.10.123.34 0:0:0:0:0:ffff:c50a:7b22
197.10.123.35 0:0:0:0:0:ffff:c50a:7b23
197.10.123.36 0:0:0:0:0:ffff:c50a:7b24
197.10.123.37 0:0:0:0:0:ffff:c50a:7b25
197.10.123.38 0:0:0:0:0:ffff:c50a:7b26
197.10.123.39 0:0:0:0:0:ffff:c50a:7b27
197.10.123.40 0:0:0:0:0:ffff:c50a:7b28
197.10.123.41 0:0:0:0:0:ffff:c50a:7b29
197.10.123.42 0:0:0:0:0:ffff:c50a:7b2a
197.10.123.43 0:0:0:0:0:ffff:c50a:7b2b
197.10.123.44 0:0:0:0:0:ffff:c50a:7b2c
197.10.123.45 0:0:0:0:0:ffff:c50a:7b2d
197.10.123.46 0:0:0:0:0:ffff:c50a:7b2e
197.10.123.47 0:0:0:0:0:ffff:c50a:7b2f
197.10.123.48 0:0:0:0:0:ffff:c50a:7b30
197.10.123.49 0:0:0:0:0:ffff:c50a:7b31
197.10.123.50 0:0:0:0:0:ffff:c50a:7b32
197.10.123.51 0:0:0:0:0:ffff:c50a:7b33
197.10.123.52 0:0:0:0:0:ffff:c50a:7b34
197.10.123.53 0:0:0:0:0:ffff:c50a:7b35
197.10.123.54 0:0:0:0:0:ffff:c50a:7b36
197.10.123.55 0:0:0:0:0:ffff:c50a:7b37
197.10.123.56 0:0:0:0:0:ffff:c50a:7b38
197.10.123.57 0:0:0:0:0:ffff:c50a:7b39
197.10.123.58 0:0:0:0:0:ffff:c50a:7b3a
197.10.123.59 0:0:0:0:0:ffff:c50a:7b3b
197.10.123.60 0:0:0:0:0:ffff:c50a:7b3c


197.10.123.61 0:0:0:0:0:ffff:c50a:7b3d
197.10.123.62 0:0:0:0:0:ffff:c50a:7b3e
197.10.123.63 0:0:0:0:0:ffff:c50a:7b3f
197.10.123.64 0:0:0:0:0:ffff:c50a:7b40
197.10.123.65 0:0:0:0:0:ffff:c50a:7b41
197.10.123.66 0:0:0:0:0:ffff:c50a:7b42
197.10.123.67 0:0:0:0:0:ffff:c50a:7b43
197.10.123.68 0:0:0:0:0:ffff:c50a:7b44
197.10.123.69 0:0:0:0:0:ffff:c50a:7b45
197.10.123.70 0:0:0:0:0:ffff:c50a:7b46
197.10.123.71 0:0:0:0:0:ffff:c50a:7b47
197.10.123.72 0:0:0:0:0:ffff:c50a:7b48
197.10.123.73 0:0:0:0:0:ffff:c50a:7b49
197.10.123.74 0:0:0:0:0:ffff:c50a:7b4a
197.10.123.75 0:0:0:0:0:ffff:c50a:7b4b
197.10.123.76 0:0:0:0:0:ffff:c50a:7b4c
197.10.123.77 0:0:0:0:0:ffff:c50a:7b4d
197.10.123.78 0:0:0:0:0:ffff:c50a:7b4e
197.10.123.79 0:0:0:0:0:ffff:c50a:7b4f
197.10.123.80 0:0:0:0:0:ffff:c50a:7b50
197.10.123.81 0:0:0:0:0:ffff:c50a:7b51
197.10.123.82 0:0:0:0:0:ffff:c50a:7b52
197.10.123.83 0:0:0:0:0:ffff:c50a:7b53
197.10.123.84 0:0:0:0:0:ffff:c50a:7b54
197.10.123.85 0:0:0:0:0:ffff:c50a:7b55
197.10.123.86 0:0:0:0:0:ffff:c50a:7b56
197.10.123.87 0:0:0:0:0:ffff:c50a:7b57
197.10.123.88 0:0:0:0:0:ffff:c50a:7b58
197.10.123.89 0:0:0:0:0:ffff:c50a:7b59
197.10.123.90 0:0:0:0:0:ffff:c50a:7b5a
197.10.123.91 0:0:0:0:0:ffff:c50a:7b5b
197.10.123.92 0:0:0:0:0:ffff:c50a:7b5c
197.10.123.93 0:0:0:0:0:ffff:c50a:7b5d
197.10.123.94 0:0:0:0:0:ffff:c50a:7b5e
197.10.123.95 0:0:0:0:0:ffff:c50a:7b5f
197.10.123.96 0:0:0:0:0:ffff:c50a:7b60
197.10.123.97 0:0:0:0:0:ffff:c50a:7b61
197.10.123.98 0:0:0:0:0:ffff:c50a:7b62
197.10.123.99 0:0:0:0:0:ffff:c50a:7b63
197.10.123.100 0:0:0:0:0:ffff:c50a:7b64
197.10.123.101 0:0:0:0:0:ffff:c50a:7b65
197.10.123.102 0:0:0:0:0:ffff:c50a:7b66
197.10.123.103 0:0:0:0:0:ffff:c50a:7b67
197.10.123.104 0:0:0:0:0:ffff:c50a:7b68
197.10.123.105 0:0:0:0:0:ffff:c50a:7b69
197.10.123.106 0:0:0:0:0:ffff:c50a:7b6a
197.10.123.107 0:0:0:0:0:ffff:c50a:7b6b
197.10.123.108 0:0:0:0:0:ffff:c50a:7b6c
197.10.123.109 0:0:0:0:0:ffff:c50a:7b6d
197.10.123.110 0:0:0:0:0:ffff:c50a:7b6e
197.10.123.111 0:0:0:0:0:ffff:c50a:7b6f
197.10.123.112 0:0:0:0:0:ffff:c50a:7b70
197.10.123.113 0:0:0:0:0:ffff:c50a:7b71
197.10.123.114 0:0:0:0:0:ffff:c50a:7b72
197.10.123.115 0:0:0:0:0:ffff:c50a:7b73
197.10.123.116 0:0:0:0:0:ffff:c50a:7b74
197.10.123.117 0:0:0:0:0:ffff:c50a:7b75
197.10.123.118 0:0:0:0:0:ffff:c50a:7b76
197.10.123.119 0:0:0:0:0:ffff:c50a:7b77
197.10.123.120 0:0:0:0:0:ffff:c50a:7b78


197.10.123.121 0:0:0:0:0:ffff:c50a:7b79
197.10.123.122 0:0:0:0:0:ffff:c50a:7b7a
197.10.123.123 0:0:0:0:0:ffff:c50a:7b7b
197.10.123.124 0:0:0:0:0:ffff:c50a:7b7c
197.10.123.125 0:0:0:0:0:ffff:c50a:7b7d
197.10.123.126 0:0:0:0:0:ffff:c50a:7b7e
197.10.123.127 0:0:0:0:0:ffff:c50a:7b7f
197.10.123.128 0:0:0:0:0:ffff:c50a:7b80
197.10.123.129 0:0:0:0:0:ffff:c50a:7b81
197.10.123.130 0:0:0:0:0:ffff:c50a:7b82
197.10.123.131 0:0:0:0:0:ffff:c50a:7b83
197.10.123.132 0:0:0:0:0:ffff:c50a:7b84
197.10.123.133 0:0:0:0:0:ffff:c50a:7b85
197.10.123.134 0:0:0:0:0:ffff:c50a:7b86
197.10.123.135 0:0:0:0:0:ffff:c50a:7b87
197.10.123.136 0:0:0:0:0:ffff:c50a:7b88
197.10.123.137 0:0:0:0:0:ffff:c50a:7b89
197.10.123.138 0:0:0:0:0:ffff:c50a:7b8a
197.10.123.139 0:0:0:0:0:ffff:c50a:7b8b
197.10.123.140 0:0:0:0:0:ffff:c50a:7b8c
197.10.123.141 0:0:0:0:0:ffff:c50a:7b8d
197.10.123.142 0:0:0:0:0:ffff:c50a:7b8e
197.10.123.143 0:0:0:0:0:ffff:c50a:7b8f
197.10.123.144 0:0:0:0:0:ffff:c50a:7b90
197.10.123.145 0:0:0:0:0:ffff:c50a:7b91
197.10.123.146 0:0:0:0:0:ffff:c50a:7b92
197.10.123.147 0:0:0:0:0:ffff:c50a:7b93
197.10.123.148 0:0:0:0:0:ffff:c50a:7b94
197.10.123.149 0:0:0:0:0:ffff:c50a:7b95
197.10.123.150 0:0:0:0:0:ffff:c50a:7b96
197.10.123.151 0:0:0:0:0:ffff:c50a:7b97
197.10.123.152 0:0:0:0:0:ffff:c50a:7b98
197.10.123.153 0:0:0:0:0:ffff:c50a:7b99
197.10.123.154 0:0:0:0:0:ffff:c50a:7b9a
197.10.123.155 0:0:0:0:0:ffff:c50a:7b9b
197.10.123.156 0:0:0:0:0:ffff:c50a:7b9c
197.10.123.157 0:0:0:0:0:ffff:c50a:7b9d
197.10.123.158 0:0:0:0:0:ffff:c50a:7b9e
197.10.123.159 0:0:0:0:0:ffff:c50a:7b9f
197.10.123.160 0:0:0:0:0:ffff:c50a:7ba0
197.10.123.161 0:0:0:0:0:ffff:c50a:7ba1
197.10.123.162 0:0:0:0:0:ffff:c50a:7ba2
197.10.123.163 0:0:0:0:0:ffff:c50a:7ba3
197.10.123.164 0:0:0:0:0:ffff:c50a:7ba4
197.10.123.165 0:0:0:0:0:ffff:c50a:7ba5
197.10.123.166 0:0:0:0:0:ffff:c50a:7ba6
197.10.123.167 0:0:0:0:0:ffff:c50a:7ba7
197.10.123.168 0:0:0:0:0:ffff:c50a:7ba8
197.10.123.169 0:0:0:0:0:ffff:c50a:7ba9
197.10.123.170 0:0:0:0:0:ffff:c50a:7baa
197.10.123.171 0:0:0:0:0:ffff:c50a:7bab
197.10.123.172 0:0:0:0:0:ffff:c50a:7bac
197.10.123.173 0:0:0:0:0:ffff:c50a:7bad
197.10.123.174 0:0:0:0:0:ffff:c50a:7bae
197.10.123.175 0:0:0:0:0:ffff:c50a:7baf
197.10.123.176 0:0:0:0:0:ffff:c50a:7bb0
197.10.123.177 0:0:0:0:0:ffff:c50a:7bb1
197.10.123.178 0:0:0:0:0:ffff:c50a:7bb2
197.10.123.179 0:0:0:0:0:ffff:c50a:7bb3
197.10.123.180 0:0:0:0:0:ffff:c50a:7bb4


197.10.123.181 0:0:0:0:0:ffff:c50a:7bb5
197.10.123.182 0:0:0:0:0:ffff:c50a:7bb6
197.10.123.183 0:0:0:0:0:ffff:c50a:7bb7
197.10.123.184 0:0:0:0:0:ffff:c50a:7bb8
197.10.123.185 0:0:0:0:0:ffff:c50a:7bb9
197.10.123.186 0:0:0:0:0:ffff:c50a:7bba
197.10.123.187 0:0:0:0:0:ffff:c50a:7bbb
197.10.123.188 0:0:0:0:0:ffff:c50a:7bbc
197.10.123.189 0:0:0:0:0:ffff:c50a:7bbd
197.10.123.190 0:0:0:0:0:ffff:c50a:7bbe
197.10.123.191 0:0:0:0:0:ffff:c50a:7bbf
197.10.123.192 0:0:0:0:0:ffff:c50a:7bc0
197.10.123.193 0:0:0:0:0:ffff:c50a:7bc1
197.10.123.194 0:0:0:0:0:ffff:c50a:7bc2
197.10.123.195 0:0:0:0:0:ffff:c50a:7bc3
197.10.123.196 0:0:0:0:0:ffff:c50a:7bc4
197.10.123.197 0:0:0:0:0:ffff:c50a:7bc5
197.10.123.198 0:0:0:0:0:ffff:c50a:7bc6
197.10.123.199 0:0:0:0:0:ffff:c50a:7bc7
197.10.123.200 0:0:0:0:0:ffff:c50a:7bc8
197.10.123.201 0:0:0:0:0:ffff:c50a:7bc9
197.10.123.202 0:0:0:0:0:ffff:c50a:7bca
197.10.123.203 0:0:0:0:0:ffff:c50a:7bcb
197.10.123.204 0:0:0:0:0:ffff:c50a:7bcc
197.10.123.205 0:0:0:0:0:ffff:c50a:7bcd
197.10.123.206 0:0:0:0:0:ffff:c50a:7bce
197.10.123.207 0:0:0:0:0:ffff:c50a:7bcf
197.10.123.208 0:0:0:0:0:ffff:c50a:7bd0
197.10.123.209 0:0:0:0:0:ffff:c50a:7bd1
197.10.123.210 0:0:0:0:0:ffff:c50a:7bd2
197.10.123.211 0:0:0:0:0:ffff:c50a:7bd3
197.10.123.212 0:0:0:0:0:ffff:c50a:7bd4
197.10.123.213 0:0:0:0:0:ffff:c50a:7bd5
197.10.123.214 0:0:0:0:0:ffff:c50a:7bd6
197.10.123.215 0:0:0:0:0:ffff:c50a:7bd7
197.10.123.216 0:0:0:0:0:ffff:c50a:7bd8
197.10.123.217 0:0:0:0:0:ffff:c50a:7bd9
197.10.123.218 0:0:0:0:0:ffff:c50a:7bda
197.10.123.219 0:0:0:0:0:ffff:c50a:7bdb
197.10.123.220 0:0:0:0:0:ffff:c50a:7bdc
197.10.123.221 0:0:0:0:0:ffff:c50a:7bdd
197.10.123.222 0:0:0:0:0:ffff:c50a:7bde
197.10.123.223 0:0:0:0:0:ffff:c50a:7bdf
197.10.123.224 0:0:0:0:0:ffff:c50a:7be0
197.10.123.225 0:0:0:0:0:ffff:c50a:7be1
197.10.123.226 0:0:0:0:0:ffff:c50a:7be2
197.10.123.227 0:0:0:0:0:ffff:c50a:7be3
197.10.123.228 0:0:0:0:0:ffff:c50a:7be4
197.10.123.229 0:0:0:0:0:ffff:c50a:7be5
197.10.123.230 0:0:0:0:0:ffff:c50a:7be6
197.10.123.231 0:0:0:0:0:ffff:c50a:7be7
197.10.123.232 0:0:0:0:0:ffff:c50a:7be8
197.10.123.233 0:0:0:0:0:ffff:c50a:7be9
197.10.123.234 0:0:0:0:0:ffff:c50a:7bea
197.10.123.235 0:0:0:0:0:ffff:c50a:7beb
197.10.123.236 0:0:0:0:0:ffff:c50a:7bec
197.10.123.237 0:0:0:0:0:ffff:c50a:7bed
197.10.123.238 0:0:0:0:0:ffff:c50a:7bee
197.10.123.239 0:0:0:0:0:ffff:c50a:7bef
197.10.123.240 0:0:0:0:0:ffff:c50a:7bf0
197.10.123.241 0:0:0:0:0:ffff:c50a:7bf1
197.10.123.242 0:0:0:0:0:ffff:c50a:7bf2
197.10.123.243 0:0:0:0:0:ffff:c50a:7bf3
197.10.123.244 0:0:0:0:0:ffff:c50a:7bf4
197.10.123.245 0:0:0:0:0:ffff:c50a:7bf5
197.10.123.246 0:0:0:0:0:ffff:c50a:7bf6
197.10.123.247 0:0:0:0:0:ffff:c50a:7bf7
197.10.123.248 0:0:0:0:0:ffff:c50a:7bf8
197.10.123.249 0:0:0:0:0:ffff:c50a:7bf9
197.10.123.250 0:0:0:0:0:ffff:c50a:7bfa
197.10.123.251 0:0:0:0:0:ffff:c50a:7bfb
197.10.123.252 0:0:0:0:0:ffff:c50a:7bfc
197.10.123.253 0:0:0:0:0:ffff:c50a:7bfd
197.10.123.254 0:0:0:0:0:ffff:c50a:7bfe
197.10.123.255 0:0:0:0:0:ffff:c50a: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.