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
238.152.123.1 0:0:0:0:0:ffff:ee98:7b01
238.152.123.2 0:0:0:0:0:ffff:ee98:7b02
238.152.123.3 0:0:0:0:0:ffff:ee98:7b03
238.152.123.4 0:0:0:0:0:ffff:ee98:7b04
238.152.123.5 0:0:0:0:0:ffff:ee98:7b05
238.152.123.6 0:0:0:0:0:ffff:ee98:7b06
238.152.123.7 0:0:0:0:0:ffff:ee98:7b07
238.152.123.8 0:0:0:0:0:ffff:ee98:7b08
238.152.123.9 0:0:0:0:0:ffff:ee98:7b09
238.152.123.10 0:0:0:0:0:ffff:ee98:7b0a
238.152.123.11 0:0:0:0:0:ffff:ee98:7b0b
238.152.123.12 0:0:0:0:0:ffff:ee98:7b0c
238.152.123.13 0:0:0:0:0:ffff:ee98:7b0d
238.152.123.14 0:0:0:0:0:ffff:ee98:7b0e
238.152.123.15 0:0:0:0:0:ffff:ee98:7b0f
238.152.123.16 0:0:0:0:0:ffff:ee98:7b10
238.152.123.17 0:0:0:0:0:ffff:ee98:7b11
238.152.123.18 0:0:0:0:0:ffff:ee98:7b12
238.152.123.19 0:0:0:0:0:ffff:ee98:7b13
238.152.123.20 0:0:0:0:0:ffff:ee98:7b14
238.152.123.21 0:0:0:0:0:ffff:ee98:7b15
238.152.123.22 0:0:0:0:0:ffff:ee98:7b16
238.152.123.23 0:0:0:0:0:ffff:ee98:7b17
238.152.123.24 0:0:0:0:0:ffff:ee98:7b18
238.152.123.25 0:0:0:0:0:ffff:ee98:7b19
238.152.123.26 0:0:0:0:0:ffff:ee98:7b1a
238.152.123.27 0:0:0:0:0:ffff:ee98:7b1b
238.152.123.28 0:0:0:0:0:ffff:ee98:7b1c
238.152.123.29 0:0:0:0:0:ffff:ee98:7b1d
238.152.123.30 0:0:0:0:0:ffff:ee98:7b1e
238.152.123.31 0:0:0:0:0:ffff:ee98:7b1f
238.152.123.32 0:0:0:0:0:ffff:ee98:7b20
238.152.123.33 0:0:0:0:0:ffff:ee98:7b21
238.152.123.34 0:0:0:0:0:ffff:ee98:7b22
238.152.123.35 0:0:0:0:0:ffff:ee98:7b23
238.152.123.36 0:0:0:0:0:ffff:ee98:7b24
238.152.123.37 0:0:0:0:0:ffff:ee98:7b25
238.152.123.38 0:0:0:0:0:ffff:ee98:7b26
238.152.123.39 0:0:0:0:0:ffff:ee98:7b27
238.152.123.40 0:0:0:0:0:ffff:ee98:7b28
238.152.123.41 0:0:0:0:0:ffff:ee98:7b29
238.152.123.42 0:0:0:0:0:ffff:ee98:7b2a
238.152.123.43 0:0:0:0:0:ffff:ee98:7b2b
238.152.123.44 0:0:0:0:0:ffff:ee98:7b2c
238.152.123.45 0:0:0:0:0:ffff:ee98:7b2d
238.152.123.46 0:0:0:0:0:ffff:ee98:7b2e
238.152.123.47 0:0:0:0:0:ffff:ee98:7b2f
238.152.123.48 0:0:0:0:0:ffff:ee98:7b30
238.152.123.49 0:0:0:0:0:ffff:ee98:7b31
238.152.123.50 0:0:0:0:0:ffff:ee98:7b32
238.152.123.51 0:0:0:0:0:ffff:ee98:7b33
238.152.123.52 0:0:0:0:0:ffff:ee98:7b34
238.152.123.53 0:0:0:0:0:ffff:ee98:7b35
238.152.123.54 0:0:0:0:0:ffff:ee98:7b36
238.152.123.55 0:0:0:0:0:ffff:ee98:7b37
238.152.123.56 0:0:0:0:0:ffff:ee98:7b38
238.152.123.57 0:0:0:0:0:ffff:ee98:7b39
238.152.123.58 0:0:0:0:0:ffff:ee98:7b3a
238.152.123.59 0:0:0:0:0:ffff:ee98:7b3b
238.152.123.60 0:0:0:0:0:ffff:ee98:7b3c


238.152.123.61 0:0:0:0:0:ffff:ee98:7b3d
238.152.123.62 0:0:0:0:0:ffff:ee98:7b3e
238.152.123.63 0:0:0:0:0:ffff:ee98:7b3f
238.152.123.64 0:0:0:0:0:ffff:ee98:7b40
238.152.123.65 0:0:0:0:0:ffff:ee98:7b41
238.152.123.66 0:0:0:0:0:ffff:ee98:7b42
238.152.123.67 0:0:0:0:0:ffff:ee98:7b43
238.152.123.68 0:0:0:0:0:ffff:ee98:7b44
238.152.123.69 0:0:0:0:0:ffff:ee98:7b45
238.152.123.70 0:0:0:0:0:ffff:ee98:7b46
238.152.123.71 0:0:0:0:0:ffff:ee98:7b47
238.152.123.72 0:0:0:0:0:ffff:ee98:7b48
238.152.123.73 0:0:0:0:0:ffff:ee98:7b49
238.152.123.74 0:0:0:0:0:ffff:ee98:7b4a
238.152.123.75 0:0:0:0:0:ffff:ee98:7b4b
238.152.123.76 0:0:0:0:0:ffff:ee98:7b4c
238.152.123.77 0:0:0:0:0:ffff:ee98:7b4d
238.152.123.78 0:0:0:0:0:ffff:ee98:7b4e
238.152.123.79 0:0:0:0:0:ffff:ee98:7b4f
238.152.123.80 0:0:0:0:0:ffff:ee98:7b50
238.152.123.81 0:0:0:0:0:ffff:ee98:7b51
238.152.123.82 0:0:0:0:0:ffff:ee98:7b52
238.152.123.83 0:0:0:0:0:ffff:ee98:7b53
238.152.123.84 0:0:0:0:0:ffff:ee98:7b54
238.152.123.85 0:0:0:0:0:ffff:ee98:7b55
238.152.123.86 0:0:0:0:0:ffff:ee98:7b56
238.152.123.87 0:0:0:0:0:ffff:ee98:7b57
238.152.123.88 0:0:0:0:0:ffff:ee98:7b58
238.152.123.89 0:0:0:0:0:ffff:ee98:7b59
238.152.123.90 0:0:0:0:0:ffff:ee98:7b5a
238.152.123.91 0:0:0:0:0:ffff:ee98:7b5b
238.152.123.92 0:0:0:0:0:ffff:ee98:7b5c
238.152.123.93 0:0:0:0:0:ffff:ee98:7b5d
238.152.123.94 0:0:0:0:0:ffff:ee98:7b5e
238.152.123.95 0:0:0:0:0:ffff:ee98:7b5f
238.152.123.96 0:0:0:0:0:ffff:ee98:7b60
238.152.123.97 0:0:0:0:0:ffff:ee98:7b61
238.152.123.98 0:0:0:0:0:ffff:ee98:7b62
238.152.123.99 0:0:0:0:0:ffff:ee98:7b63
238.152.123.100 0:0:0:0:0:ffff:ee98:7b64
238.152.123.101 0:0:0:0:0:ffff:ee98:7b65
238.152.123.102 0:0:0:0:0:ffff:ee98:7b66
238.152.123.103 0:0:0:0:0:ffff:ee98:7b67
238.152.123.104 0:0:0:0:0:ffff:ee98:7b68
238.152.123.105 0:0:0:0:0:ffff:ee98:7b69
238.152.123.106 0:0:0:0:0:ffff:ee98:7b6a
238.152.123.107 0:0:0:0:0:ffff:ee98:7b6b
238.152.123.108 0:0:0:0:0:ffff:ee98:7b6c
238.152.123.109 0:0:0:0:0:ffff:ee98:7b6d
238.152.123.110 0:0:0:0:0:ffff:ee98:7b6e
238.152.123.111 0:0:0:0:0:ffff:ee98:7b6f
238.152.123.112 0:0:0:0:0:ffff:ee98:7b70
238.152.123.113 0:0:0:0:0:ffff:ee98:7b71
238.152.123.114 0:0:0:0:0:ffff:ee98:7b72
238.152.123.115 0:0:0:0:0:ffff:ee98:7b73
238.152.123.116 0:0:0:0:0:ffff:ee98:7b74
238.152.123.117 0:0:0:0:0:ffff:ee98:7b75
238.152.123.118 0:0:0:0:0:ffff:ee98:7b76
238.152.123.119 0:0:0:0:0:ffff:ee98:7b77
238.152.123.120 0:0:0:0:0:ffff:ee98:7b78


238.152.123.121 0:0:0:0:0:ffff:ee98:7b79
238.152.123.122 0:0:0:0:0:ffff:ee98:7b7a
238.152.123.123 0:0:0:0:0:ffff:ee98:7b7b
238.152.123.124 0:0:0:0:0:ffff:ee98:7b7c
238.152.123.125 0:0:0:0:0:ffff:ee98:7b7d
238.152.123.126 0:0:0:0:0:ffff:ee98:7b7e
238.152.123.127 0:0:0:0:0:ffff:ee98:7b7f
238.152.123.128 0:0:0:0:0:ffff:ee98:7b80
238.152.123.129 0:0:0:0:0:ffff:ee98:7b81
238.152.123.130 0:0:0:0:0:ffff:ee98:7b82
238.152.123.131 0:0:0:0:0:ffff:ee98:7b83
238.152.123.132 0:0:0:0:0:ffff:ee98:7b84
238.152.123.133 0:0:0:0:0:ffff:ee98:7b85
238.152.123.134 0:0:0:0:0:ffff:ee98:7b86
238.152.123.135 0:0:0:0:0:ffff:ee98:7b87
238.152.123.136 0:0:0:0:0:ffff:ee98:7b88
238.152.123.137 0:0:0:0:0:ffff:ee98:7b89
238.152.123.138 0:0:0:0:0:ffff:ee98:7b8a
238.152.123.139 0:0:0:0:0:ffff:ee98:7b8b
238.152.123.140 0:0:0:0:0:ffff:ee98:7b8c
238.152.123.141 0:0:0:0:0:ffff:ee98:7b8d
238.152.123.142 0:0:0:0:0:ffff:ee98:7b8e
238.152.123.143 0:0:0:0:0:ffff:ee98:7b8f
238.152.123.144 0:0:0:0:0:ffff:ee98:7b90
238.152.123.145 0:0:0:0:0:ffff:ee98:7b91
238.152.123.146 0:0:0:0:0:ffff:ee98:7b92
238.152.123.147 0:0:0:0:0:ffff:ee98:7b93
238.152.123.148 0:0:0:0:0:ffff:ee98:7b94
238.152.123.149 0:0:0:0:0:ffff:ee98:7b95
238.152.123.150 0:0:0:0:0:ffff:ee98:7b96
238.152.123.151 0:0:0:0:0:ffff:ee98:7b97
238.152.123.152 0:0:0:0:0:ffff:ee98:7b98
238.152.123.153 0:0:0:0:0:ffff:ee98:7b99
238.152.123.154 0:0:0:0:0:ffff:ee98:7b9a
238.152.123.155 0:0:0:0:0:ffff:ee98:7b9b
238.152.123.156 0:0:0:0:0:ffff:ee98:7b9c
238.152.123.157 0:0:0:0:0:ffff:ee98:7b9d
238.152.123.158 0:0:0:0:0:ffff:ee98:7b9e
238.152.123.159 0:0:0:0:0:ffff:ee98:7b9f
238.152.123.160 0:0:0:0:0:ffff:ee98:7ba0
238.152.123.161 0:0:0:0:0:ffff:ee98:7ba1
238.152.123.162 0:0:0:0:0:ffff:ee98:7ba2
238.152.123.163 0:0:0:0:0:ffff:ee98:7ba3
238.152.123.164 0:0:0:0:0:ffff:ee98:7ba4
238.152.123.165 0:0:0:0:0:ffff:ee98:7ba5
238.152.123.166 0:0:0:0:0:ffff:ee98:7ba6
238.152.123.167 0:0:0:0:0:ffff:ee98:7ba7
238.152.123.168 0:0:0:0:0:ffff:ee98:7ba8
238.152.123.169 0:0:0:0:0:ffff:ee98:7ba9
238.152.123.170 0:0:0:0:0:ffff:ee98:7baa
238.152.123.171 0:0:0:0:0:ffff:ee98:7bab
238.152.123.172 0:0:0:0:0:ffff:ee98:7bac
238.152.123.173 0:0:0:0:0:ffff:ee98:7bad
238.152.123.174 0:0:0:0:0:ffff:ee98:7bae
238.152.123.175 0:0:0:0:0:ffff:ee98:7baf
238.152.123.176 0:0:0:0:0:ffff:ee98:7bb0
238.152.123.177 0:0:0:0:0:ffff:ee98:7bb1
238.152.123.178 0:0:0:0:0:ffff:ee98:7bb2
238.152.123.179 0:0:0:0:0:ffff:ee98:7bb3
238.152.123.180 0:0:0:0:0:ffff:ee98:7bb4


238.152.123.181 0:0:0:0:0:ffff:ee98:7bb5
238.152.123.182 0:0:0:0:0:ffff:ee98:7bb6
238.152.123.183 0:0:0:0:0:ffff:ee98:7bb7
238.152.123.184 0:0:0:0:0:ffff:ee98:7bb8
238.152.123.185 0:0:0:0:0:ffff:ee98:7bb9
238.152.123.186 0:0:0:0:0:ffff:ee98:7bba
238.152.123.187 0:0:0:0:0:ffff:ee98:7bbb
238.152.123.188 0:0:0:0:0:ffff:ee98:7bbc
238.152.123.189 0:0:0:0:0:ffff:ee98:7bbd
238.152.123.190 0:0:0:0:0:ffff:ee98:7bbe
238.152.123.191 0:0:0:0:0:ffff:ee98:7bbf
238.152.123.192 0:0:0:0:0:ffff:ee98:7bc0
238.152.123.193 0:0:0:0:0:ffff:ee98:7bc1
238.152.123.194 0:0:0:0:0:ffff:ee98:7bc2
238.152.123.195 0:0:0:0:0:ffff:ee98:7bc3
238.152.123.196 0:0:0:0:0:ffff:ee98:7bc4
238.152.123.197 0:0:0:0:0:ffff:ee98:7bc5
238.152.123.198 0:0:0:0:0:ffff:ee98:7bc6
238.152.123.199 0:0:0:0:0:ffff:ee98:7bc7
238.152.123.200 0:0:0:0:0:ffff:ee98:7bc8
238.152.123.201 0:0:0:0:0:ffff:ee98:7bc9
238.152.123.202 0:0:0:0:0:ffff:ee98:7bca
238.152.123.203 0:0:0:0:0:ffff:ee98:7bcb
238.152.123.204 0:0:0:0:0:ffff:ee98:7bcc
238.152.123.205 0:0:0:0:0:ffff:ee98:7bcd
238.152.123.206 0:0:0:0:0:ffff:ee98:7bce
238.152.123.207 0:0:0:0:0:ffff:ee98:7bcf
238.152.123.208 0:0:0:0:0:ffff:ee98:7bd0
238.152.123.209 0:0:0:0:0:ffff:ee98:7bd1
238.152.123.210 0:0:0:0:0:ffff:ee98:7bd2
238.152.123.211 0:0:0:0:0:ffff:ee98:7bd3
238.152.123.212 0:0:0:0:0:ffff:ee98:7bd4
238.152.123.213 0:0:0:0:0:ffff:ee98:7bd5
238.152.123.214 0:0:0:0:0:ffff:ee98:7bd6
238.152.123.215 0:0:0:0:0:ffff:ee98:7bd7
238.152.123.216 0:0:0:0:0:ffff:ee98:7bd8
238.152.123.217 0:0:0:0:0:ffff:ee98:7bd9
238.152.123.218 0:0:0:0:0:ffff:ee98:7bda
238.152.123.219 0:0:0:0:0:ffff:ee98:7bdb
238.152.123.220 0:0:0:0:0:ffff:ee98:7bdc
238.152.123.221 0:0:0:0:0:ffff:ee98:7bdd
238.152.123.222 0:0:0:0:0:ffff:ee98:7bde
238.152.123.223 0:0:0:0:0:ffff:ee98:7bdf
238.152.123.224 0:0:0:0:0:ffff:ee98:7be0
238.152.123.225 0:0:0:0:0:ffff:ee98:7be1
238.152.123.226 0:0:0:0:0:ffff:ee98:7be2
238.152.123.227 0:0:0:0:0:ffff:ee98:7be3
238.152.123.228 0:0:0:0:0:ffff:ee98:7be4
238.152.123.229 0:0:0:0:0:ffff:ee98:7be5
238.152.123.230 0:0:0:0:0:ffff:ee98:7be6
238.152.123.231 0:0:0:0:0:ffff:ee98:7be7
238.152.123.232 0:0:0:0:0:ffff:ee98:7be8
238.152.123.233 0:0:0:0:0:ffff:ee98:7be9
238.152.123.234 0:0:0:0:0:ffff:ee98:7bea
238.152.123.235 0:0:0:0:0:ffff:ee98:7beb
238.152.123.236 0:0:0:0:0:ffff:ee98:7bec
238.152.123.237 0:0:0:0:0:ffff:ee98:7bed
238.152.123.238 0:0:0:0:0:ffff:ee98:7bee
238.152.123.239 0:0:0:0:0:ffff:ee98:7bef
238.152.123.240 0:0:0:0:0:ffff:ee98:7bf0
238.152.123.241 0:0:0:0:0:ffff:ee98:7bf1
238.152.123.242 0:0:0:0:0:ffff:ee98:7bf2
238.152.123.243 0:0:0:0:0:ffff:ee98:7bf3
238.152.123.244 0:0:0:0:0:ffff:ee98:7bf4
238.152.123.245 0:0:0:0:0:ffff:ee98:7bf5
238.152.123.246 0:0:0:0:0:ffff:ee98:7bf6
238.152.123.247 0:0:0:0:0:ffff:ee98:7bf7
238.152.123.248 0:0:0:0:0:ffff:ee98:7bf8
238.152.123.249 0:0:0:0:0:ffff:ee98:7bf9
238.152.123.250 0:0:0:0:0:ffff:ee98:7bfa
238.152.123.251 0:0:0:0:0:ffff:ee98:7bfb
238.152.123.252 0:0:0:0:0:ffff:ee98:7bfc
238.152.123.253 0:0:0:0:0:ffff:ee98:7bfd
238.152.123.254 0:0:0:0:0:ffff:ee98:7bfe
238.152.123.255 0:0:0:0:0:ffff:ee98:7bff


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.