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
111.251.139.1 0:0:0:0:0:ffff:6ffb:8b01
111.251.139.2 0:0:0:0:0:ffff:6ffb:8b02
111.251.139.3 0:0:0:0:0:ffff:6ffb:8b03
111.251.139.4 0:0:0:0:0:ffff:6ffb:8b04
111.251.139.5 0:0:0:0:0:ffff:6ffb:8b05
111.251.139.6 0:0:0:0:0:ffff:6ffb:8b06
111.251.139.7 0:0:0:0:0:ffff:6ffb:8b07
111.251.139.8 0:0:0:0:0:ffff:6ffb:8b08
111.251.139.9 0:0:0:0:0:ffff:6ffb:8b09
111.251.139.10 0:0:0:0:0:ffff:6ffb:8b0a
111.251.139.11 0:0:0:0:0:ffff:6ffb:8b0b
111.251.139.12 0:0:0:0:0:ffff:6ffb:8b0c
111.251.139.13 0:0:0:0:0:ffff:6ffb:8b0d
111.251.139.14 0:0:0:0:0:ffff:6ffb:8b0e
111.251.139.15 0:0:0:0:0:ffff:6ffb:8b0f
111.251.139.16 0:0:0:0:0:ffff:6ffb:8b10
111.251.139.17 0:0:0:0:0:ffff:6ffb:8b11
111.251.139.18 0:0:0:0:0:ffff:6ffb:8b12
111.251.139.19 0:0:0:0:0:ffff:6ffb:8b13
111.251.139.20 0:0:0:0:0:ffff:6ffb:8b14
111.251.139.21 0:0:0:0:0:ffff:6ffb:8b15
111.251.139.22 0:0:0:0:0:ffff:6ffb:8b16
111.251.139.23 0:0:0:0:0:ffff:6ffb:8b17
111.251.139.24 0:0:0:0:0:ffff:6ffb:8b18
111.251.139.25 0:0:0:0:0:ffff:6ffb:8b19
111.251.139.26 0:0:0:0:0:ffff:6ffb:8b1a
111.251.139.27 0:0:0:0:0:ffff:6ffb:8b1b
111.251.139.28 0:0:0:0:0:ffff:6ffb:8b1c
111.251.139.29 0:0:0:0:0:ffff:6ffb:8b1d
111.251.139.30 0:0:0:0:0:ffff:6ffb:8b1e
111.251.139.31 0:0:0:0:0:ffff:6ffb:8b1f
111.251.139.32 0:0:0:0:0:ffff:6ffb:8b20
111.251.139.33 0:0:0:0:0:ffff:6ffb:8b21
111.251.139.34 0:0:0:0:0:ffff:6ffb:8b22
111.251.139.35 0:0:0:0:0:ffff:6ffb:8b23
111.251.139.36 0:0:0:0:0:ffff:6ffb:8b24
111.251.139.37 0:0:0:0:0:ffff:6ffb:8b25
111.251.139.38 0:0:0:0:0:ffff:6ffb:8b26
111.251.139.39 0:0:0:0:0:ffff:6ffb:8b27
111.251.139.40 0:0:0:0:0:ffff:6ffb:8b28
111.251.139.41 0:0:0:0:0:ffff:6ffb:8b29
111.251.139.42 0:0:0:0:0:ffff:6ffb:8b2a
111.251.139.43 0:0:0:0:0:ffff:6ffb:8b2b
111.251.139.44 0:0:0:0:0:ffff:6ffb:8b2c
111.251.139.45 0:0:0:0:0:ffff:6ffb:8b2d
111.251.139.46 0:0:0:0:0:ffff:6ffb:8b2e
111.251.139.47 0:0:0:0:0:ffff:6ffb:8b2f
111.251.139.48 0:0:0:0:0:ffff:6ffb:8b30
111.251.139.49 0:0:0:0:0:ffff:6ffb:8b31
111.251.139.50 0:0:0:0:0:ffff:6ffb:8b32
111.251.139.51 0:0:0:0:0:ffff:6ffb:8b33
111.251.139.52 0:0:0:0:0:ffff:6ffb:8b34
111.251.139.53 0:0:0:0:0:ffff:6ffb:8b35
111.251.139.54 0:0:0:0:0:ffff:6ffb:8b36
111.251.139.55 0:0:0:0:0:ffff:6ffb:8b37
111.251.139.56 0:0:0:0:0:ffff:6ffb:8b38
111.251.139.57 0:0:0:0:0:ffff:6ffb:8b39
111.251.139.58 0:0:0:0:0:ffff:6ffb:8b3a
111.251.139.59 0:0:0:0:0:ffff:6ffb:8b3b
111.251.139.60 0:0:0:0:0:ffff:6ffb:8b3c


111.251.139.61 0:0:0:0:0:ffff:6ffb:8b3d
111.251.139.62 0:0:0:0:0:ffff:6ffb:8b3e
111.251.139.63 0:0:0:0:0:ffff:6ffb:8b3f
111.251.139.64 0:0:0:0:0:ffff:6ffb:8b40
111.251.139.65 0:0:0:0:0:ffff:6ffb:8b41
111.251.139.66 0:0:0:0:0:ffff:6ffb:8b42
111.251.139.67 0:0:0:0:0:ffff:6ffb:8b43
111.251.139.68 0:0:0:0:0:ffff:6ffb:8b44
111.251.139.69 0:0:0:0:0:ffff:6ffb:8b45
111.251.139.70 0:0:0:0:0:ffff:6ffb:8b46
111.251.139.71 0:0:0:0:0:ffff:6ffb:8b47
111.251.139.72 0:0:0:0:0:ffff:6ffb:8b48
111.251.139.73 0:0:0:0:0:ffff:6ffb:8b49
111.251.139.74 0:0:0:0:0:ffff:6ffb:8b4a
111.251.139.75 0:0:0:0:0:ffff:6ffb:8b4b
111.251.139.76 0:0:0:0:0:ffff:6ffb:8b4c
111.251.139.77 0:0:0:0:0:ffff:6ffb:8b4d
111.251.139.78 0:0:0:0:0:ffff:6ffb:8b4e
111.251.139.79 0:0:0:0:0:ffff:6ffb:8b4f
111.251.139.80 0:0:0:0:0:ffff:6ffb:8b50
111.251.139.81 0:0:0:0:0:ffff:6ffb:8b51
111.251.139.82 0:0:0:0:0:ffff:6ffb:8b52
111.251.139.83 0:0:0:0:0:ffff:6ffb:8b53
111.251.139.84 0:0:0:0:0:ffff:6ffb:8b54
111.251.139.85 0:0:0:0:0:ffff:6ffb:8b55
111.251.139.86 0:0:0:0:0:ffff:6ffb:8b56
111.251.139.87 0:0:0:0:0:ffff:6ffb:8b57
111.251.139.88 0:0:0:0:0:ffff:6ffb:8b58
111.251.139.89 0:0:0:0:0:ffff:6ffb:8b59
111.251.139.90 0:0:0:0:0:ffff:6ffb:8b5a
111.251.139.91 0:0:0:0:0:ffff:6ffb:8b5b
111.251.139.92 0:0:0:0:0:ffff:6ffb:8b5c
111.251.139.93 0:0:0:0:0:ffff:6ffb:8b5d
111.251.139.94 0:0:0:0:0:ffff:6ffb:8b5e
111.251.139.95 0:0:0:0:0:ffff:6ffb:8b5f
111.251.139.96 0:0:0:0:0:ffff:6ffb:8b60
111.251.139.97 0:0:0:0:0:ffff:6ffb:8b61
111.251.139.98 0:0:0:0:0:ffff:6ffb:8b62
111.251.139.99 0:0:0:0:0:ffff:6ffb:8b63
111.251.139.100 0:0:0:0:0:ffff:6ffb:8b64
111.251.139.101 0:0:0:0:0:ffff:6ffb:8b65
111.251.139.102 0:0:0:0:0:ffff:6ffb:8b66
111.251.139.103 0:0:0:0:0:ffff:6ffb:8b67
111.251.139.104 0:0:0:0:0:ffff:6ffb:8b68
111.251.139.105 0:0:0:0:0:ffff:6ffb:8b69
111.251.139.106 0:0:0:0:0:ffff:6ffb:8b6a
111.251.139.107 0:0:0:0:0:ffff:6ffb:8b6b
111.251.139.108 0:0:0:0:0:ffff:6ffb:8b6c
111.251.139.109 0:0:0:0:0:ffff:6ffb:8b6d
111.251.139.110 0:0:0:0:0:ffff:6ffb:8b6e
111.251.139.111 0:0:0:0:0:ffff:6ffb:8b6f
111.251.139.112 0:0:0:0:0:ffff:6ffb:8b70
111.251.139.113 0:0:0:0:0:ffff:6ffb:8b71
111.251.139.114 0:0:0:0:0:ffff:6ffb:8b72
111.251.139.115 0:0:0:0:0:ffff:6ffb:8b73
111.251.139.116 0:0:0:0:0:ffff:6ffb:8b74
111.251.139.117 0:0:0:0:0:ffff:6ffb:8b75
111.251.139.118 0:0:0:0:0:ffff:6ffb:8b76
111.251.139.119 0:0:0:0:0:ffff:6ffb:8b77
111.251.139.120 0:0:0:0:0:ffff:6ffb:8b78


111.251.139.121 0:0:0:0:0:ffff:6ffb:8b79
111.251.139.122 0:0:0:0:0:ffff:6ffb:8b7a
111.251.139.123 0:0:0:0:0:ffff:6ffb:8b7b
111.251.139.124 0:0:0:0:0:ffff:6ffb:8b7c
111.251.139.125 0:0:0:0:0:ffff:6ffb:8b7d
111.251.139.126 0:0:0:0:0:ffff:6ffb:8b7e
111.251.139.127 0:0:0:0:0:ffff:6ffb:8b7f
111.251.139.128 0:0:0:0:0:ffff:6ffb:8b80
111.251.139.129 0:0:0:0:0:ffff:6ffb:8b81
111.251.139.130 0:0:0:0:0:ffff:6ffb:8b82
111.251.139.131 0:0:0:0:0:ffff:6ffb:8b83
111.251.139.132 0:0:0:0:0:ffff:6ffb:8b84
111.251.139.133 0:0:0:0:0:ffff:6ffb:8b85
111.251.139.134 0:0:0:0:0:ffff:6ffb:8b86
111.251.139.135 0:0:0:0:0:ffff:6ffb:8b87
111.251.139.136 0:0:0:0:0:ffff:6ffb:8b88
111.251.139.137 0:0:0:0:0:ffff:6ffb:8b89
111.251.139.138 0:0:0:0:0:ffff:6ffb:8b8a
111.251.139.139 0:0:0:0:0:ffff:6ffb:8b8b
111.251.139.140 0:0:0:0:0:ffff:6ffb:8b8c
111.251.139.141 0:0:0:0:0:ffff:6ffb:8b8d
111.251.139.142 0:0:0:0:0:ffff:6ffb:8b8e
111.251.139.143 0:0:0:0:0:ffff:6ffb:8b8f
111.251.139.144 0:0:0:0:0:ffff:6ffb:8b90
111.251.139.145 0:0:0:0:0:ffff:6ffb:8b91
111.251.139.146 0:0:0:0:0:ffff:6ffb:8b92
111.251.139.147 0:0:0:0:0:ffff:6ffb:8b93
111.251.139.148 0:0:0:0:0:ffff:6ffb:8b94
111.251.139.149 0:0:0:0:0:ffff:6ffb:8b95
111.251.139.150 0:0:0:0:0:ffff:6ffb:8b96
111.251.139.151 0:0:0:0:0:ffff:6ffb:8b97
111.251.139.152 0:0:0:0:0:ffff:6ffb:8b98
111.251.139.153 0:0:0:0:0:ffff:6ffb:8b99
111.251.139.154 0:0:0:0:0:ffff:6ffb:8b9a
111.251.139.155 0:0:0:0:0:ffff:6ffb:8b9b
111.251.139.156 0:0:0:0:0:ffff:6ffb:8b9c
111.251.139.157 0:0:0:0:0:ffff:6ffb:8b9d
111.251.139.158 0:0:0:0:0:ffff:6ffb:8b9e
111.251.139.159 0:0:0:0:0:ffff:6ffb:8b9f
111.251.139.160 0:0:0:0:0:ffff:6ffb:8ba0
111.251.139.161 0:0:0:0:0:ffff:6ffb:8ba1
111.251.139.162 0:0:0:0:0:ffff:6ffb:8ba2
111.251.139.163 0:0:0:0:0:ffff:6ffb:8ba3
111.251.139.164 0:0:0:0:0:ffff:6ffb:8ba4
111.251.139.165 0:0:0:0:0:ffff:6ffb:8ba5
111.251.139.166 0:0:0:0:0:ffff:6ffb:8ba6
111.251.139.167 0:0:0:0:0:ffff:6ffb:8ba7
111.251.139.168 0:0:0:0:0:ffff:6ffb:8ba8
111.251.139.169 0:0:0:0:0:ffff:6ffb:8ba9
111.251.139.170 0:0:0:0:0:ffff:6ffb:8baa
111.251.139.171 0:0:0:0:0:ffff:6ffb:8bab
111.251.139.172 0:0:0:0:0:ffff:6ffb:8bac
111.251.139.173 0:0:0:0:0:ffff:6ffb:8bad
111.251.139.174 0:0:0:0:0:ffff:6ffb:8bae
111.251.139.175 0:0:0:0:0:ffff:6ffb:8baf
111.251.139.176 0:0:0:0:0:ffff:6ffb:8bb0
111.251.139.177 0:0:0:0:0:ffff:6ffb:8bb1
111.251.139.178 0:0:0:0:0:ffff:6ffb:8bb2
111.251.139.179 0:0:0:0:0:ffff:6ffb:8bb3
111.251.139.180 0:0:0:0:0:ffff:6ffb:8bb4


111.251.139.181 0:0:0:0:0:ffff:6ffb:8bb5
111.251.139.182 0:0:0:0:0:ffff:6ffb:8bb6
111.251.139.183 0:0:0:0:0:ffff:6ffb:8bb7
111.251.139.184 0:0:0:0:0:ffff:6ffb:8bb8
111.251.139.185 0:0:0:0:0:ffff:6ffb:8bb9
111.251.139.186 0:0:0:0:0:ffff:6ffb:8bba
111.251.139.187 0:0:0:0:0:ffff:6ffb:8bbb
111.251.139.188 0:0:0:0:0:ffff:6ffb:8bbc
111.251.139.189 0:0:0:0:0:ffff:6ffb:8bbd
111.251.139.190 0:0:0:0:0:ffff:6ffb:8bbe
111.251.139.191 0:0:0:0:0:ffff:6ffb:8bbf
111.251.139.192 0:0:0:0:0:ffff:6ffb:8bc0
111.251.139.193 0:0:0:0:0:ffff:6ffb:8bc1
111.251.139.194 0:0:0:0:0:ffff:6ffb:8bc2
111.251.139.195 0:0:0:0:0:ffff:6ffb:8bc3
111.251.139.196 0:0:0:0:0:ffff:6ffb:8bc4
111.251.139.197 0:0:0:0:0:ffff:6ffb:8bc5
111.251.139.198 0:0:0:0:0:ffff:6ffb:8bc6
111.251.139.199 0:0:0:0:0:ffff:6ffb:8bc7
111.251.139.200 0:0:0:0:0:ffff:6ffb:8bc8
111.251.139.201 0:0:0:0:0:ffff:6ffb:8bc9
111.251.139.202 0:0:0:0:0:ffff:6ffb:8bca
111.251.139.203 0:0:0:0:0:ffff:6ffb:8bcb
111.251.139.204 0:0:0:0:0:ffff:6ffb:8bcc
111.251.139.205 0:0:0:0:0:ffff:6ffb:8bcd
111.251.139.206 0:0:0:0:0:ffff:6ffb:8bce
111.251.139.207 0:0:0:0:0:ffff:6ffb:8bcf
111.251.139.208 0:0:0:0:0:ffff:6ffb:8bd0
111.251.139.209 0:0:0:0:0:ffff:6ffb:8bd1
111.251.139.210 0:0:0:0:0:ffff:6ffb:8bd2
111.251.139.211 0:0:0:0:0:ffff:6ffb:8bd3
111.251.139.212 0:0:0:0:0:ffff:6ffb:8bd4
111.251.139.213 0:0:0:0:0:ffff:6ffb:8bd5
111.251.139.214 0:0:0:0:0:ffff:6ffb:8bd6
111.251.139.215 0:0:0:0:0:ffff:6ffb:8bd7
111.251.139.216 0:0:0:0:0:ffff:6ffb:8bd8
111.251.139.217 0:0:0:0:0:ffff:6ffb:8bd9
111.251.139.218 0:0:0:0:0:ffff:6ffb:8bda
111.251.139.219 0:0:0:0:0:ffff:6ffb:8bdb
111.251.139.220 0:0:0:0:0:ffff:6ffb:8bdc
111.251.139.221 0:0:0:0:0:ffff:6ffb:8bdd
111.251.139.222 0:0:0:0:0:ffff:6ffb:8bde
111.251.139.223 0:0:0:0:0:ffff:6ffb:8bdf
111.251.139.224 0:0:0:0:0:ffff:6ffb:8be0
111.251.139.225 0:0:0:0:0:ffff:6ffb:8be1
111.251.139.226 0:0:0:0:0:ffff:6ffb:8be2
111.251.139.227 0:0:0:0:0:ffff:6ffb:8be3
111.251.139.228 0:0:0:0:0:ffff:6ffb:8be4
111.251.139.229 0:0:0:0:0:ffff:6ffb:8be5
111.251.139.230 0:0:0:0:0:ffff:6ffb:8be6
111.251.139.231 0:0:0:0:0:ffff:6ffb:8be7
111.251.139.232 0:0:0:0:0:ffff:6ffb:8be8
111.251.139.233 0:0:0:0:0:ffff:6ffb:8be9
111.251.139.234 0:0:0:0:0:ffff:6ffb:8bea
111.251.139.235 0:0:0:0:0:ffff:6ffb:8beb
111.251.139.236 0:0:0:0:0:ffff:6ffb:8bec
111.251.139.237 0:0:0:0:0:ffff:6ffb:8bed
111.251.139.238 0:0:0:0:0:ffff:6ffb:8bee
111.251.139.239 0:0:0:0:0:ffff:6ffb:8bef
111.251.139.240 0:0:0:0:0:ffff:6ffb:8bf0
111.251.139.241 0:0:0:0:0:ffff:6ffb:8bf1
111.251.139.242 0:0:0:0:0:ffff:6ffb:8bf2
111.251.139.243 0:0:0:0:0:ffff:6ffb:8bf3
111.251.139.244 0:0:0:0:0:ffff:6ffb:8bf4
111.251.139.245 0:0:0:0:0:ffff:6ffb:8bf5
111.251.139.246 0:0:0:0:0:ffff:6ffb:8bf6
111.251.139.247 0:0:0:0:0:ffff:6ffb:8bf7
111.251.139.248 0:0:0:0:0:ffff:6ffb:8bf8
111.251.139.249 0:0:0:0:0:ffff:6ffb:8bf9
111.251.139.250 0:0:0:0:0:ffff:6ffb:8bfa
111.251.139.251 0:0:0:0:0:ffff:6ffb:8bfb
111.251.139.252 0:0:0:0:0:ffff:6ffb:8bfc
111.251.139.253 0:0:0:0:0:ffff:6ffb:8bfd
111.251.139.254 0:0:0:0:0:ffff:6ffb:8bfe
111.251.139.255 0:0:0:0:0:ffff:6ffb: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.