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
72.255.139.1 0:0:0:0:0:ffff:48ff:8b01
72.255.139.2 0:0:0:0:0:ffff:48ff:8b02
72.255.139.3 0:0:0:0:0:ffff:48ff:8b03
72.255.139.4 0:0:0:0:0:ffff:48ff:8b04
72.255.139.5 0:0:0:0:0:ffff:48ff:8b05
72.255.139.6 0:0:0:0:0:ffff:48ff:8b06
72.255.139.7 0:0:0:0:0:ffff:48ff:8b07
72.255.139.8 0:0:0:0:0:ffff:48ff:8b08
72.255.139.9 0:0:0:0:0:ffff:48ff:8b09
72.255.139.10 0:0:0:0:0:ffff:48ff:8b0a
72.255.139.11 0:0:0:0:0:ffff:48ff:8b0b
72.255.139.12 0:0:0:0:0:ffff:48ff:8b0c
72.255.139.13 0:0:0:0:0:ffff:48ff:8b0d
72.255.139.14 0:0:0:0:0:ffff:48ff:8b0e
72.255.139.15 0:0:0:0:0:ffff:48ff:8b0f
72.255.139.16 0:0:0:0:0:ffff:48ff:8b10
72.255.139.17 0:0:0:0:0:ffff:48ff:8b11
72.255.139.18 0:0:0:0:0:ffff:48ff:8b12
72.255.139.19 0:0:0:0:0:ffff:48ff:8b13
72.255.139.20 0:0:0:0:0:ffff:48ff:8b14
72.255.139.21 0:0:0:0:0:ffff:48ff:8b15
72.255.139.22 0:0:0:0:0:ffff:48ff:8b16
72.255.139.23 0:0:0:0:0:ffff:48ff:8b17
72.255.139.24 0:0:0:0:0:ffff:48ff:8b18
72.255.139.25 0:0:0:0:0:ffff:48ff:8b19
72.255.139.26 0:0:0:0:0:ffff:48ff:8b1a
72.255.139.27 0:0:0:0:0:ffff:48ff:8b1b
72.255.139.28 0:0:0:0:0:ffff:48ff:8b1c
72.255.139.29 0:0:0:0:0:ffff:48ff:8b1d
72.255.139.30 0:0:0:0:0:ffff:48ff:8b1e
72.255.139.31 0:0:0:0:0:ffff:48ff:8b1f
72.255.139.32 0:0:0:0:0:ffff:48ff:8b20
72.255.139.33 0:0:0:0:0:ffff:48ff:8b21
72.255.139.34 0:0:0:0:0:ffff:48ff:8b22
72.255.139.35 0:0:0:0:0:ffff:48ff:8b23
72.255.139.36 0:0:0:0:0:ffff:48ff:8b24
72.255.139.37 0:0:0:0:0:ffff:48ff:8b25
72.255.139.38 0:0:0:0:0:ffff:48ff:8b26
72.255.139.39 0:0:0:0:0:ffff:48ff:8b27
72.255.139.40 0:0:0:0:0:ffff:48ff:8b28
72.255.139.41 0:0:0:0:0:ffff:48ff:8b29
72.255.139.42 0:0:0:0:0:ffff:48ff:8b2a
72.255.139.43 0:0:0:0:0:ffff:48ff:8b2b
72.255.139.44 0:0:0:0:0:ffff:48ff:8b2c
72.255.139.45 0:0:0:0:0:ffff:48ff:8b2d
72.255.139.46 0:0:0:0:0:ffff:48ff:8b2e
72.255.139.47 0:0:0:0:0:ffff:48ff:8b2f
72.255.139.48 0:0:0:0:0:ffff:48ff:8b30
72.255.139.49 0:0:0:0:0:ffff:48ff:8b31
72.255.139.50 0:0:0:0:0:ffff:48ff:8b32
72.255.139.51 0:0:0:0:0:ffff:48ff:8b33
72.255.139.52 0:0:0:0:0:ffff:48ff:8b34
72.255.139.53 0:0:0:0:0:ffff:48ff:8b35
72.255.139.54 0:0:0:0:0:ffff:48ff:8b36
72.255.139.55 0:0:0:0:0:ffff:48ff:8b37
72.255.139.56 0:0:0:0:0:ffff:48ff:8b38
72.255.139.57 0:0:0:0:0:ffff:48ff:8b39
72.255.139.58 0:0:0:0:0:ffff:48ff:8b3a
72.255.139.59 0:0:0:0:0:ffff:48ff:8b3b
72.255.139.60 0:0:0:0:0:ffff:48ff:8b3c


72.255.139.61 0:0:0:0:0:ffff:48ff:8b3d
72.255.139.62 0:0:0:0:0:ffff:48ff:8b3e
72.255.139.63 0:0:0:0:0:ffff:48ff:8b3f
72.255.139.64 0:0:0:0:0:ffff:48ff:8b40
72.255.139.65 0:0:0:0:0:ffff:48ff:8b41
72.255.139.66 0:0:0:0:0:ffff:48ff:8b42
72.255.139.67 0:0:0:0:0:ffff:48ff:8b43
72.255.139.68 0:0:0:0:0:ffff:48ff:8b44
72.255.139.69 0:0:0:0:0:ffff:48ff:8b45
72.255.139.70 0:0:0:0:0:ffff:48ff:8b46
72.255.139.71 0:0:0:0:0:ffff:48ff:8b47
72.255.139.72 0:0:0:0:0:ffff:48ff:8b48
72.255.139.73 0:0:0:0:0:ffff:48ff:8b49
72.255.139.74 0:0:0:0:0:ffff:48ff:8b4a
72.255.139.75 0:0:0:0:0:ffff:48ff:8b4b
72.255.139.76 0:0:0:0:0:ffff:48ff:8b4c
72.255.139.77 0:0:0:0:0:ffff:48ff:8b4d
72.255.139.78 0:0:0:0:0:ffff:48ff:8b4e
72.255.139.79 0:0:0:0:0:ffff:48ff:8b4f
72.255.139.80 0:0:0:0:0:ffff:48ff:8b50
72.255.139.81 0:0:0:0:0:ffff:48ff:8b51
72.255.139.82 0:0:0:0:0:ffff:48ff:8b52
72.255.139.83 0:0:0:0:0:ffff:48ff:8b53
72.255.139.84 0:0:0:0:0:ffff:48ff:8b54
72.255.139.85 0:0:0:0:0:ffff:48ff:8b55
72.255.139.86 0:0:0:0:0:ffff:48ff:8b56
72.255.139.87 0:0:0:0:0:ffff:48ff:8b57
72.255.139.88 0:0:0:0:0:ffff:48ff:8b58
72.255.139.89 0:0:0:0:0:ffff:48ff:8b59
72.255.139.90 0:0:0:0:0:ffff:48ff:8b5a
72.255.139.91 0:0:0:0:0:ffff:48ff:8b5b
72.255.139.92 0:0:0:0:0:ffff:48ff:8b5c
72.255.139.93 0:0:0:0:0:ffff:48ff:8b5d
72.255.139.94 0:0:0:0:0:ffff:48ff:8b5e
72.255.139.95 0:0:0:0:0:ffff:48ff:8b5f
72.255.139.96 0:0:0:0:0:ffff:48ff:8b60
72.255.139.97 0:0:0:0:0:ffff:48ff:8b61
72.255.139.98 0:0:0:0:0:ffff:48ff:8b62
72.255.139.99 0:0:0:0:0:ffff:48ff:8b63
72.255.139.100 0:0:0:0:0:ffff:48ff:8b64
72.255.139.101 0:0:0:0:0:ffff:48ff:8b65
72.255.139.102 0:0:0:0:0:ffff:48ff:8b66
72.255.139.103 0:0:0:0:0:ffff:48ff:8b67
72.255.139.104 0:0:0:0:0:ffff:48ff:8b68
72.255.139.105 0:0:0:0:0:ffff:48ff:8b69
72.255.139.106 0:0:0:0:0:ffff:48ff:8b6a
72.255.139.107 0:0:0:0:0:ffff:48ff:8b6b
72.255.139.108 0:0:0:0:0:ffff:48ff:8b6c
72.255.139.109 0:0:0:0:0:ffff:48ff:8b6d
72.255.139.110 0:0:0:0:0:ffff:48ff:8b6e
72.255.139.111 0:0:0:0:0:ffff:48ff:8b6f
72.255.139.112 0:0:0:0:0:ffff:48ff:8b70
72.255.139.113 0:0:0:0:0:ffff:48ff:8b71
72.255.139.114 0:0:0:0:0:ffff:48ff:8b72
72.255.139.115 0:0:0:0:0:ffff:48ff:8b73
72.255.139.116 0:0:0:0:0:ffff:48ff:8b74
72.255.139.117 0:0:0:0:0:ffff:48ff:8b75
72.255.139.118 0:0:0:0:0:ffff:48ff:8b76
72.255.139.119 0:0:0:0:0:ffff:48ff:8b77
72.255.139.120 0:0:0:0:0:ffff:48ff:8b78


72.255.139.121 0:0:0:0:0:ffff:48ff:8b79
72.255.139.122 0:0:0:0:0:ffff:48ff:8b7a
72.255.139.123 0:0:0:0:0:ffff:48ff:8b7b
72.255.139.124 0:0:0:0:0:ffff:48ff:8b7c
72.255.139.125 0:0:0:0:0:ffff:48ff:8b7d
72.255.139.126 0:0:0:0:0:ffff:48ff:8b7e
72.255.139.127 0:0:0:0:0:ffff:48ff:8b7f
72.255.139.128 0:0:0:0:0:ffff:48ff:8b80
72.255.139.129 0:0:0:0:0:ffff:48ff:8b81
72.255.139.130 0:0:0:0:0:ffff:48ff:8b82
72.255.139.131 0:0:0:0:0:ffff:48ff:8b83
72.255.139.132 0:0:0:0:0:ffff:48ff:8b84
72.255.139.133 0:0:0:0:0:ffff:48ff:8b85
72.255.139.134 0:0:0:0:0:ffff:48ff:8b86
72.255.139.135 0:0:0:0:0:ffff:48ff:8b87
72.255.139.136 0:0:0:0:0:ffff:48ff:8b88
72.255.139.137 0:0:0:0:0:ffff:48ff:8b89
72.255.139.138 0:0:0:0:0:ffff:48ff:8b8a
72.255.139.139 0:0:0:0:0:ffff:48ff:8b8b
72.255.139.140 0:0:0:0:0:ffff:48ff:8b8c
72.255.139.141 0:0:0:0:0:ffff:48ff:8b8d
72.255.139.142 0:0:0:0:0:ffff:48ff:8b8e
72.255.139.143 0:0:0:0:0:ffff:48ff:8b8f
72.255.139.144 0:0:0:0:0:ffff:48ff:8b90
72.255.139.145 0:0:0:0:0:ffff:48ff:8b91
72.255.139.146 0:0:0:0:0:ffff:48ff:8b92
72.255.139.147 0:0:0:0:0:ffff:48ff:8b93
72.255.139.148 0:0:0:0:0:ffff:48ff:8b94
72.255.139.149 0:0:0:0:0:ffff:48ff:8b95
72.255.139.150 0:0:0:0:0:ffff:48ff:8b96
72.255.139.151 0:0:0:0:0:ffff:48ff:8b97
72.255.139.152 0:0:0:0:0:ffff:48ff:8b98
72.255.139.153 0:0:0:0:0:ffff:48ff:8b99
72.255.139.154 0:0:0:0:0:ffff:48ff:8b9a
72.255.139.155 0:0:0:0:0:ffff:48ff:8b9b
72.255.139.156 0:0:0:0:0:ffff:48ff:8b9c
72.255.139.157 0:0:0:0:0:ffff:48ff:8b9d
72.255.139.158 0:0:0:0:0:ffff:48ff:8b9e
72.255.139.159 0:0:0:0:0:ffff:48ff:8b9f
72.255.139.160 0:0:0:0:0:ffff:48ff:8ba0
72.255.139.161 0:0:0:0:0:ffff:48ff:8ba1
72.255.139.162 0:0:0:0:0:ffff:48ff:8ba2
72.255.139.163 0:0:0:0:0:ffff:48ff:8ba3
72.255.139.164 0:0:0:0:0:ffff:48ff:8ba4
72.255.139.165 0:0:0:0:0:ffff:48ff:8ba5
72.255.139.166 0:0:0:0:0:ffff:48ff:8ba6
72.255.139.167 0:0:0:0:0:ffff:48ff:8ba7
72.255.139.168 0:0:0:0:0:ffff:48ff:8ba8
72.255.139.169 0:0:0:0:0:ffff:48ff:8ba9
72.255.139.170 0:0:0:0:0:ffff:48ff:8baa
72.255.139.171 0:0:0:0:0:ffff:48ff:8bab
72.255.139.172 0:0:0:0:0:ffff:48ff:8bac
72.255.139.173 0:0:0:0:0:ffff:48ff:8bad
72.255.139.174 0:0:0:0:0:ffff:48ff:8bae
72.255.139.175 0:0:0:0:0:ffff:48ff:8baf
72.255.139.176 0:0:0:0:0:ffff:48ff:8bb0
72.255.139.177 0:0:0:0:0:ffff:48ff:8bb1
72.255.139.178 0:0:0:0:0:ffff:48ff:8bb2
72.255.139.179 0:0:0:0:0:ffff:48ff:8bb3
72.255.139.180 0:0:0:0:0:ffff:48ff:8bb4


72.255.139.181 0:0:0:0:0:ffff:48ff:8bb5
72.255.139.182 0:0:0:0:0:ffff:48ff:8bb6
72.255.139.183 0:0:0:0:0:ffff:48ff:8bb7
72.255.139.184 0:0:0:0:0:ffff:48ff:8bb8
72.255.139.185 0:0:0:0:0:ffff:48ff:8bb9
72.255.139.186 0:0:0:0:0:ffff:48ff:8bba
72.255.139.187 0:0:0:0:0:ffff:48ff:8bbb
72.255.139.188 0:0:0:0:0:ffff:48ff:8bbc
72.255.139.189 0:0:0:0:0:ffff:48ff:8bbd
72.255.139.190 0:0:0:0:0:ffff:48ff:8bbe
72.255.139.191 0:0:0:0:0:ffff:48ff:8bbf
72.255.139.192 0:0:0:0:0:ffff:48ff:8bc0
72.255.139.193 0:0:0:0:0:ffff:48ff:8bc1
72.255.139.194 0:0:0:0:0:ffff:48ff:8bc2
72.255.139.195 0:0:0:0:0:ffff:48ff:8bc3
72.255.139.196 0:0:0:0:0:ffff:48ff:8bc4
72.255.139.197 0:0:0:0:0:ffff:48ff:8bc5
72.255.139.198 0:0:0:0:0:ffff:48ff:8bc6
72.255.139.199 0:0:0:0:0:ffff:48ff:8bc7
72.255.139.200 0:0:0:0:0:ffff:48ff:8bc8
72.255.139.201 0:0:0:0:0:ffff:48ff:8bc9
72.255.139.202 0:0:0:0:0:ffff:48ff:8bca
72.255.139.203 0:0:0:0:0:ffff:48ff:8bcb
72.255.139.204 0:0:0:0:0:ffff:48ff:8bcc
72.255.139.205 0:0:0:0:0:ffff:48ff:8bcd
72.255.139.206 0:0:0:0:0:ffff:48ff:8bce
72.255.139.207 0:0:0:0:0:ffff:48ff:8bcf
72.255.139.208 0:0:0:0:0:ffff:48ff:8bd0
72.255.139.209 0:0:0:0:0:ffff:48ff:8bd1
72.255.139.210 0:0:0:0:0:ffff:48ff:8bd2
72.255.139.211 0:0:0:0:0:ffff:48ff:8bd3
72.255.139.212 0:0:0:0:0:ffff:48ff:8bd4
72.255.139.213 0:0:0:0:0:ffff:48ff:8bd5
72.255.139.214 0:0:0:0:0:ffff:48ff:8bd6
72.255.139.215 0:0:0:0:0:ffff:48ff:8bd7
72.255.139.216 0:0:0:0:0:ffff:48ff:8bd8
72.255.139.217 0:0:0:0:0:ffff:48ff:8bd9
72.255.139.218 0:0:0:0:0:ffff:48ff:8bda
72.255.139.219 0:0:0:0:0:ffff:48ff:8bdb
72.255.139.220 0:0:0:0:0:ffff:48ff:8bdc
72.255.139.221 0:0:0:0:0:ffff:48ff:8bdd
72.255.139.222 0:0:0:0:0:ffff:48ff:8bde
72.255.139.223 0:0:0:0:0:ffff:48ff:8bdf
72.255.139.224 0:0:0:0:0:ffff:48ff:8be0
72.255.139.225 0:0:0:0:0:ffff:48ff:8be1
72.255.139.226 0:0:0:0:0:ffff:48ff:8be2
72.255.139.227 0:0:0:0:0:ffff:48ff:8be3
72.255.139.228 0:0:0:0:0:ffff:48ff:8be4
72.255.139.229 0:0:0:0:0:ffff:48ff:8be5
72.255.139.230 0:0:0:0:0:ffff:48ff:8be6
72.255.139.231 0:0:0:0:0:ffff:48ff:8be7
72.255.139.232 0:0:0:0:0:ffff:48ff:8be8
72.255.139.233 0:0:0:0:0:ffff:48ff:8be9
72.255.139.234 0:0:0:0:0:ffff:48ff:8bea
72.255.139.235 0:0:0:0:0:ffff:48ff:8beb
72.255.139.236 0:0:0:0:0:ffff:48ff:8bec
72.255.139.237 0:0:0:0:0:ffff:48ff:8bed
72.255.139.238 0:0:0:0:0:ffff:48ff:8bee
72.255.139.239 0:0:0:0:0:ffff:48ff:8bef
72.255.139.240 0:0:0:0:0:ffff:48ff:8bf0
72.255.139.241 0:0:0:0:0:ffff:48ff:8bf1
72.255.139.242 0:0:0:0:0:ffff:48ff:8bf2
72.255.139.243 0:0:0:0:0:ffff:48ff:8bf3
72.255.139.244 0:0:0:0:0:ffff:48ff:8bf4
72.255.139.245 0:0:0:0:0:ffff:48ff:8bf5
72.255.139.246 0:0:0:0:0:ffff:48ff:8bf6
72.255.139.247 0:0:0:0:0:ffff:48ff:8bf7
72.255.139.248 0:0:0:0:0:ffff:48ff:8bf8
72.255.139.249 0:0:0:0:0:ffff:48ff:8bf9
72.255.139.250 0:0:0:0:0:ffff:48ff:8bfa
72.255.139.251 0:0:0:0:0:ffff:48ff:8bfb
72.255.139.252 0:0:0:0:0:ffff:48ff:8bfc
72.255.139.253 0:0:0:0:0:ffff:48ff:8bfd
72.255.139.254 0:0:0:0:0:ffff:48ff:8bfe
72.255.139.255 0:0:0:0:0:ffff:48ff:8bff


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.