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
72.158.123.1 0:0:0:0:0:ffff:489e:7b01
72.158.123.2 0:0:0:0:0:ffff:489e:7b02
72.158.123.3 0:0:0:0:0:ffff:489e:7b03
72.158.123.4 0:0:0:0:0:ffff:489e:7b04
72.158.123.5 0:0:0:0:0:ffff:489e:7b05
72.158.123.6 0:0:0:0:0:ffff:489e:7b06
72.158.123.7 0:0:0:0:0:ffff:489e:7b07
72.158.123.8 0:0:0:0:0:ffff:489e:7b08
72.158.123.9 0:0:0:0:0:ffff:489e:7b09
72.158.123.10 0:0:0:0:0:ffff:489e:7b0a
72.158.123.11 0:0:0:0:0:ffff:489e:7b0b
72.158.123.12 0:0:0:0:0:ffff:489e:7b0c
72.158.123.13 0:0:0:0:0:ffff:489e:7b0d
72.158.123.14 0:0:0:0:0:ffff:489e:7b0e
72.158.123.15 0:0:0:0:0:ffff:489e:7b0f
72.158.123.16 0:0:0:0:0:ffff:489e:7b10
72.158.123.17 0:0:0:0:0:ffff:489e:7b11
72.158.123.18 0:0:0:0:0:ffff:489e:7b12
72.158.123.19 0:0:0:0:0:ffff:489e:7b13
72.158.123.20 0:0:0:0:0:ffff:489e:7b14
72.158.123.21 0:0:0:0:0:ffff:489e:7b15
72.158.123.22 0:0:0:0:0:ffff:489e:7b16
72.158.123.23 0:0:0:0:0:ffff:489e:7b17
72.158.123.24 0:0:0:0:0:ffff:489e:7b18
72.158.123.25 0:0:0:0:0:ffff:489e:7b19
72.158.123.26 0:0:0:0:0:ffff:489e:7b1a
72.158.123.27 0:0:0:0:0:ffff:489e:7b1b
72.158.123.28 0:0:0:0:0:ffff:489e:7b1c
72.158.123.29 0:0:0:0:0:ffff:489e:7b1d
72.158.123.30 0:0:0:0:0:ffff:489e:7b1e
72.158.123.31 0:0:0:0:0:ffff:489e:7b1f
72.158.123.32 0:0:0:0:0:ffff:489e:7b20
72.158.123.33 0:0:0:0:0:ffff:489e:7b21
72.158.123.34 0:0:0:0:0:ffff:489e:7b22
72.158.123.35 0:0:0:0:0:ffff:489e:7b23
72.158.123.36 0:0:0:0:0:ffff:489e:7b24
72.158.123.37 0:0:0:0:0:ffff:489e:7b25
72.158.123.38 0:0:0:0:0:ffff:489e:7b26
72.158.123.39 0:0:0:0:0:ffff:489e:7b27
72.158.123.40 0:0:0:0:0:ffff:489e:7b28
72.158.123.41 0:0:0:0:0:ffff:489e:7b29
72.158.123.42 0:0:0:0:0:ffff:489e:7b2a
72.158.123.43 0:0:0:0:0:ffff:489e:7b2b
72.158.123.44 0:0:0:0:0:ffff:489e:7b2c
72.158.123.45 0:0:0:0:0:ffff:489e:7b2d
72.158.123.46 0:0:0:0:0:ffff:489e:7b2e
72.158.123.47 0:0:0:0:0:ffff:489e:7b2f
72.158.123.48 0:0:0:0:0:ffff:489e:7b30
72.158.123.49 0:0:0:0:0:ffff:489e:7b31
72.158.123.50 0:0:0:0:0:ffff:489e:7b32
72.158.123.51 0:0:0:0:0:ffff:489e:7b33
72.158.123.52 0:0:0:0:0:ffff:489e:7b34
72.158.123.53 0:0:0:0:0:ffff:489e:7b35
72.158.123.54 0:0:0:0:0:ffff:489e:7b36
72.158.123.55 0:0:0:0:0:ffff:489e:7b37
72.158.123.56 0:0:0:0:0:ffff:489e:7b38
72.158.123.57 0:0:0:0:0:ffff:489e:7b39
72.158.123.58 0:0:0:0:0:ffff:489e:7b3a
72.158.123.59 0:0:0:0:0:ffff:489e:7b3b
72.158.123.60 0:0:0:0:0:ffff:489e:7b3c


72.158.123.61 0:0:0:0:0:ffff:489e:7b3d
72.158.123.62 0:0:0:0:0:ffff:489e:7b3e
72.158.123.63 0:0:0:0:0:ffff:489e:7b3f
72.158.123.64 0:0:0:0:0:ffff:489e:7b40
72.158.123.65 0:0:0:0:0:ffff:489e:7b41
72.158.123.66 0:0:0:0:0:ffff:489e:7b42
72.158.123.67 0:0:0:0:0:ffff:489e:7b43
72.158.123.68 0:0:0:0:0:ffff:489e:7b44
72.158.123.69 0:0:0:0:0:ffff:489e:7b45
72.158.123.70 0:0:0:0:0:ffff:489e:7b46
72.158.123.71 0:0:0:0:0:ffff:489e:7b47
72.158.123.72 0:0:0:0:0:ffff:489e:7b48
72.158.123.73 0:0:0:0:0:ffff:489e:7b49
72.158.123.74 0:0:0:0:0:ffff:489e:7b4a
72.158.123.75 0:0:0:0:0:ffff:489e:7b4b
72.158.123.76 0:0:0:0:0:ffff:489e:7b4c
72.158.123.77 0:0:0:0:0:ffff:489e:7b4d
72.158.123.78 0:0:0:0:0:ffff:489e:7b4e
72.158.123.79 0:0:0:0:0:ffff:489e:7b4f
72.158.123.80 0:0:0:0:0:ffff:489e:7b50
72.158.123.81 0:0:0:0:0:ffff:489e:7b51
72.158.123.82 0:0:0:0:0:ffff:489e:7b52
72.158.123.83 0:0:0:0:0:ffff:489e:7b53
72.158.123.84 0:0:0:0:0:ffff:489e:7b54
72.158.123.85 0:0:0:0:0:ffff:489e:7b55
72.158.123.86 0:0:0:0:0:ffff:489e:7b56
72.158.123.87 0:0:0:0:0:ffff:489e:7b57
72.158.123.88 0:0:0:0:0:ffff:489e:7b58
72.158.123.89 0:0:0:0:0:ffff:489e:7b59
72.158.123.90 0:0:0:0:0:ffff:489e:7b5a
72.158.123.91 0:0:0:0:0:ffff:489e:7b5b
72.158.123.92 0:0:0:0:0:ffff:489e:7b5c
72.158.123.93 0:0:0:0:0:ffff:489e:7b5d
72.158.123.94 0:0:0:0:0:ffff:489e:7b5e
72.158.123.95 0:0:0:0:0:ffff:489e:7b5f
72.158.123.96 0:0:0:0:0:ffff:489e:7b60
72.158.123.97 0:0:0:0:0:ffff:489e:7b61
72.158.123.98 0:0:0:0:0:ffff:489e:7b62
72.158.123.99 0:0:0:0:0:ffff:489e:7b63
72.158.123.100 0:0:0:0:0:ffff:489e:7b64
72.158.123.101 0:0:0:0:0:ffff:489e:7b65
72.158.123.102 0:0:0:0:0:ffff:489e:7b66
72.158.123.103 0:0:0:0:0:ffff:489e:7b67
72.158.123.104 0:0:0:0:0:ffff:489e:7b68
72.158.123.105 0:0:0:0:0:ffff:489e:7b69
72.158.123.106 0:0:0:0:0:ffff:489e:7b6a
72.158.123.107 0:0:0:0:0:ffff:489e:7b6b
72.158.123.108 0:0:0:0:0:ffff:489e:7b6c
72.158.123.109 0:0:0:0:0:ffff:489e:7b6d
72.158.123.110 0:0:0:0:0:ffff:489e:7b6e
72.158.123.111 0:0:0:0:0:ffff:489e:7b6f
72.158.123.112 0:0:0:0:0:ffff:489e:7b70
72.158.123.113 0:0:0:0:0:ffff:489e:7b71
72.158.123.114 0:0:0:0:0:ffff:489e:7b72
72.158.123.115 0:0:0:0:0:ffff:489e:7b73
72.158.123.116 0:0:0:0:0:ffff:489e:7b74
72.158.123.117 0:0:0:0:0:ffff:489e:7b75
72.158.123.118 0:0:0:0:0:ffff:489e:7b76
72.158.123.119 0:0:0:0:0:ffff:489e:7b77
72.158.123.120 0:0:0:0:0:ffff:489e:7b78


72.158.123.121 0:0:0:0:0:ffff:489e:7b79
72.158.123.122 0:0:0:0:0:ffff:489e:7b7a
72.158.123.123 0:0:0:0:0:ffff:489e:7b7b
72.158.123.124 0:0:0:0:0:ffff:489e:7b7c
72.158.123.125 0:0:0:0:0:ffff:489e:7b7d
72.158.123.126 0:0:0:0:0:ffff:489e:7b7e
72.158.123.127 0:0:0:0:0:ffff:489e:7b7f
72.158.123.128 0:0:0:0:0:ffff:489e:7b80
72.158.123.129 0:0:0:0:0:ffff:489e:7b81
72.158.123.130 0:0:0:0:0:ffff:489e:7b82
72.158.123.131 0:0:0:0:0:ffff:489e:7b83
72.158.123.132 0:0:0:0:0:ffff:489e:7b84
72.158.123.133 0:0:0:0:0:ffff:489e:7b85
72.158.123.134 0:0:0:0:0:ffff:489e:7b86
72.158.123.135 0:0:0:0:0:ffff:489e:7b87
72.158.123.136 0:0:0:0:0:ffff:489e:7b88
72.158.123.137 0:0:0:0:0:ffff:489e:7b89
72.158.123.138 0:0:0:0:0:ffff:489e:7b8a
72.158.123.139 0:0:0:0:0:ffff:489e:7b8b
72.158.123.140 0:0:0:0:0:ffff:489e:7b8c
72.158.123.141 0:0:0:0:0:ffff:489e:7b8d
72.158.123.142 0:0:0:0:0:ffff:489e:7b8e
72.158.123.143 0:0:0:0:0:ffff:489e:7b8f
72.158.123.144 0:0:0:0:0:ffff:489e:7b90
72.158.123.145 0:0:0:0:0:ffff:489e:7b91
72.158.123.146 0:0:0:0:0:ffff:489e:7b92
72.158.123.147 0:0:0:0:0:ffff:489e:7b93
72.158.123.148 0:0:0:0:0:ffff:489e:7b94
72.158.123.149 0:0:0:0:0:ffff:489e:7b95
72.158.123.150 0:0:0:0:0:ffff:489e:7b96
72.158.123.151 0:0:0:0:0:ffff:489e:7b97
72.158.123.152 0:0:0:0:0:ffff:489e:7b98
72.158.123.153 0:0:0:0:0:ffff:489e:7b99
72.158.123.154 0:0:0:0:0:ffff:489e:7b9a
72.158.123.155 0:0:0:0:0:ffff:489e:7b9b
72.158.123.156 0:0:0:0:0:ffff:489e:7b9c
72.158.123.157 0:0:0:0:0:ffff:489e:7b9d
72.158.123.158 0:0:0:0:0:ffff:489e:7b9e
72.158.123.159 0:0:0:0:0:ffff:489e:7b9f
72.158.123.160 0:0:0:0:0:ffff:489e:7ba0
72.158.123.161 0:0:0:0:0:ffff:489e:7ba1
72.158.123.162 0:0:0:0:0:ffff:489e:7ba2
72.158.123.163 0:0:0:0:0:ffff:489e:7ba3
72.158.123.164 0:0:0:0:0:ffff:489e:7ba4
72.158.123.165 0:0:0:0:0:ffff:489e:7ba5
72.158.123.166 0:0:0:0:0:ffff:489e:7ba6
72.158.123.167 0:0:0:0:0:ffff:489e:7ba7
72.158.123.168 0:0:0:0:0:ffff:489e:7ba8
72.158.123.169 0:0:0:0:0:ffff:489e:7ba9
72.158.123.170 0:0:0:0:0:ffff:489e:7baa
72.158.123.171 0:0:0:0:0:ffff:489e:7bab
72.158.123.172 0:0:0:0:0:ffff:489e:7bac
72.158.123.173 0:0:0:0:0:ffff:489e:7bad
72.158.123.174 0:0:0:0:0:ffff:489e:7bae
72.158.123.175 0:0:0:0:0:ffff:489e:7baf
72.158.123.176 0:0:0:0:0:ffff:489e:7bb0
72.158.123.177 0:0:0:0:0:ffff:489e:7bb1
72.158.123.178 0:0:0:0:0:ffff:489e:7bb2
72.158.123.179 0:0:0:0:0:ffff:489e:7bb3
72.158.123.180 0:0:0:0:0:ffff:489e:7bb4


72.158.123.181 0:0:0:0:0:ffff:489e:7bb5
72.158.123.182 0:0:0:0:0:ffff:489e:7bb6
72.158.123.183 0:0:0:0:0:ffff:489e:7bb7
72.158.123.184 0:0:0:0:0:ffff:489e:7bb8
72.158.123.185 0:0:0:0:0:ffff:489e:7bb9
72.158.123.186 0:0:0:0:0:ffff:489e:7bba
72.158.123.187 0:0:0:0:0:ffff:489e:7bbb
72.158.123.188 0:0:0:0:0:ffff:489e:7bbc
72.158.123.189 0:0:0:0:0:ffff:489e:7bbd
72.158.123.190 0:0:0:0:0:ffff:489e:7bbe
72.158.123.191 0:0:0:0:0:ffff:489e:7bbf
72.158.123.192 0:0:0:0:0:ffff:489e:7bc0
72.158.123.193 0:0:0:0:0:ffff:489e:7bc1
72.158.123.194 0:0:0:0:0:ffff:489e:7bc2
72.158.123.195 0:0:0:0:0:ffff:489e:7bc3
72.158.123.196 0:0:0:0:0:ffff:489e:7bc4
72.158.123.197 0:0:0:0:0:ffff:489e:7bc5
72.158.123.198 0:0:0:0:0:ffff:489e:7bc6
72.158.123.199 0:0:0:0:0:ffff:489e:7bc7
72.158.123.200 0:0:0:0:0:ffff:489e:7bc8
72.158.123.201 0:0:0:0:0:ffff:489e:7bc9
72.158.123.202 0:0:0:0:0:ffff:489e:7bca
72.158.123.203 0:0:0:0:0:ffff:489e:7bcb
72.158.123.204 0:0:0:0:0:ffff:489e:7bcc
72.158.123.205 0:0:0:0:0:ffff:489e:7bcd
72.158.123.206 0:0:0:0:0:ffff:489e:7bce
72.158.123.207 0:0:0:0:0:ffff:489e:7bcf
72.158.123.208 0:0:0:0:0:ffff:489e:7bd0
72.158.123.209 0:0:0:0:0:ffff:489e:7bd1
72.158.123.210 0:0:0:0:0:ffff:489e:7bd2
72.158.123.211 0:0:0:0:0:ffff:489e:7bd3
72.158.123.212 0:0:0:0:0:ffff:489e:7bd4
72.158.123.213 0:0:0:0:0:ffff:489e:7bd5
72.158.123.214 0:0:0:0:0:ffff:489e:7bd6
72.158.123.215 0:0:0:0:0:ffff:489e:7bd7
72.158.123.216 0:0:0:0:0:ffff:489e:7bd8
72.158.123.217 0:0:0:0:0:ffff:489e:7bd9
72.158.123.218 0:0:0:0:0:ffff:489e:7bda
72.158.123.219 0:0:0:0:0:ffff:489e:7bdb
72.158.123.220 0:0:0:0:0:ffff:489e:7bdc
72.158.123.221 0:0:0:0:0:ffff:489e:7bdd
72.158.123.222 0:0:0:0:0:ffff:489e:7bde
72.158.123.223 0:0:0:0:0:ffff:489e:7bdf
72.158.123.224 0:0:0:0:0:ffff:489e:7be0
72.158.123.225 0:0:0:0:0:ffff:489e:7be1
72.158.123.226 0:0:0:0:0:ffff:489e:7be2
72.158.123.227 0:0:0:0:0:ffff:489e:7be3
72.158.123.228 0:0:0:0:0:ffff:489e:7be4
72.158.123.229 0:0:0:0:0:ffff:489e:7be5
72.158.123.230 0:0:0:0:0:ffff:489e:7be6
72.158.123.231 0:0:0:0:0:ffff:489e:7be7
72.158.123.232 0:0:0:0:0:ffff:489e:7be8
72.158.123.233 0:0:0:0:0:ffff:489e:7be9
72.158.123.234 0:0:0:0:0:ffff:489e:7bea
72.158.123.235 0:0:0:0:0:ffff:489e:7beb
72.158.123.236 0:0:0:0:0:ffff:489e:7bec
72.158.123.237 0:0:0:0:0:ffff:489e:7bed
72.158.123.238 0:0:0:0:0:ffff:489e:7bee
72.158.123.239 0:0:0:0:0:ffff:489e:7bef
72.158.123.240 0:0:0:0:0:ffff:489e:7bf0
72.158.123.241 0:0:0:0:0:ffff:489e:7bf1
72.158.123.242 0:0:0:0:0:ffff:489e:7bf2
72.158.123.243 0:0:0:0:0:ffff:489e:7bf3
72.158.123.244 0:0:0:0:0:ffff:489e:7bf4
72.158.123.245 0:0:0:0:0:ffff:489e:7bf5
72.158.123.246 0:0:0:0:0:ffff:489e:7bf6
72.158.123.247 0:0:0:0:0:ffff:489e:7bf7
72.158.123.248 0:0:0:0:0:ffff:489e:7bf8
72.158.123.249 0:0:0:0:0:ffff:489e:7bf9
72.158.123.250 0:0:0:0:0:ffff:489e:7bfa
72.158.123.251 0:0:0:0:0:ffff:489e:7bfb
72.158.123.252 0:0:0:0:0:ffff:489e:7bfc
72.158.123.253 0:0:0:0:0:ffff:489e:7bfd
72.158.123.254 0:0:0:0:0:ffff:489e:7bfe
72.158.123.255 0:0:0:0:0:ffff:489e: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.