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
120.3.139.1 0:0:0:0:0:ffff:7803:8b01
120.3.139.2 0:0:0:0:0:ffff:7803:8b02
120.3.139.3 0:0:0:0:0:ffff:7803:8b03
120.3.139.4 0:0:0:0:0:ffff:7803:8b04
120.3.139.5 0:0:0:0:0:ffff:7803:8b05
120.3.139.6 0:0:0:0:0:ffff:7803:8b06
120.3.139.7 0:0:0:0:0:ffff:7803:8b07
120.3.139.8 0:0:0:0:0:ffff:7803:8b08
120.3.139.9 0:0:0:0:0:ffff:7803:8b09
120.3.139.10 0:0:0:0:0:ffff:7803:8b0a
120.3.139.11 0:0:0:0:0:ffff:7803:8b0b
120.3.139.12 0:0:0:0:0:ffff:7803:8b0c
120.3.139.13 0:0:0:0:0:ffff:7803:8b0d
120.3.139.14 0:0:0:0:0:ffff:7803:8b0e
120.3.139.15 0:0:0:0:0:ffff:7803:8b0f
120.3.139.16 0:0:0:0:0:ffff:7803:8b10
120.3.139.17 0:0:0:0:0:ffff:7803:8b11
120.3.139.18 0:0:0:0:0:ffff:7803:8b12
120.3.139.19 0:0:0:0:0:ffff:7803:8b13
120.3.139.20 0:0:0:0:0:ffff:7803:8b14
120.3.139.21 0:0:0:0:0:ffff:7803:8b15
120.3.139.22 0:0:0:0:0:ffff:7803:8b16
120.3.139.23 0:0:0:0:0:ffff:7803:8b17
120.3.139.24 0:0:0:0:0:ffff:7803:8b18
120.3.139.25 0:0:0:0:0:ffff:7803:8b19
120.3.139.26 0:0:0:0:0:ffff:7803:8b1a
120.3.139.27 0:0:0:0:0:ffff:7803:8b1b
120.3.139.28 0:0:0:0:0:ffff:7803:8b1c
120.3.139.29 0:0:0:0:0:ffff:7803:8b1d
120.3.139.30 0:0:0:0:0:ffff:7803:8b1e
120.3.139.31 0:0:0:0:0:ffff:7803:8b1f
120.3.139.32 0:0:0:0:0:ffff:7803:8b20
120.3.139.33 0:0:0:0:0:ffff:7803:8b21
120.3.139.34 0:0:0:0:0:ffff:7803:8b22
120.3.139.35 0:0:0:0:0:ffff:7803:8b23
120.3.139.36 0:0:0:0:0:ffff:7803:8b24
120.3.139.37 0:0:0:0:0:ffff:7803:8b25
120.3.139.38 0:0:0:0:0:ffff:7803:8b26
120.3.139.39 0:0:0:0:0:ffff:7803:8b27
120.3.139.40 0:0:0:0:0:ffff:7803:8b28
120.3.139.41 0:0:0:0:0:ffff:7803:8b29
120.3.139.42 0:0:0:0:0:ffff:7803:8b2a
120.3.139.43 0:0:0:0:0:ffff:7803:8b2b
120.3.139.44 0:0:0:0:0:ffff:7803:8b2c
120.3.139.45 0:0:0:0:0:ffff:7803:8b2d
120.3.139.46 0:0:0:0:0:ffff:7803:8b2e
120.3.139.47 0:0:0:0:0:ffff:7803:8b2f
120.3.139.48 0:0:0:0:0:ffff:7803:8b30
120.3.139.49 0:0:0:0:0:ffff:7803:8b31
120.3.139.50 0:0:0:0:0:ffff:7803:8b32
120.3.139.51 0:0:0:0:0:ffff:7803:8b33
120.3.139.52 0:0:0:0:0:ffff:7803:8b34
120.3.139.53 0:0:0:0:0:ffff:7803:8b35
120.3.139.54 0:0:0:0:0:ffff:7803:8b36
120.3.139.55 0:0:0:0:0:ffff:7803:8b37
120.3.139.56 0:0:0:0:0:ffff:7803:8b38
120.3.139.57 0:0:0:0:0:ffff:7803:8b39
120.3.139.58 0:0:0:0:0:ffff:7803:8b3a
120.3.139.59 0:0:0:0:0:ffff:7803:8b3b
120.3.139.60 0:0:0:0:0:ffff:7803:8b3c


120.3.139.61 0:0:0:0:0:ffff:7803:8b3d
120.3.139.62 0:0:0:0:0:ffff:7803:8b3e
120.3.139.63 0:0:0:0:0:ffff:7803:8b3f
120.3.139.64 0:0:0:0:0:ffff:7803:8b40
120.3.139.65 0:0:0:0:0:ffff:7803:8b41
120.3.139.66 0:0:0:0:0:ffff:7803:8b42
120.3.139.67 0:0:0:0:0:ffff:7803:8b43
120.3.139.68 0:0:0:0:0:ffff:7803:8b44
120.3.139.69 0:0:0:0:0:ffff:7803:8b45
120.3.139.70 0:0:0:0:0:ffff:7803:8b46
120.3.139.71 0:0:0:0:0:ffff:7803:8b47
120.3.139.72 0:0:0:0:0:ffff:7803:8b48
120.3.139.73 0:0:0:0:0:ffff:7803:8b49
120.3.139.74 0:0:0:0:0:ffff:7803:8b4a
120.3.139.75 0:0:0:0:0:ffff:7803:8b4b
120.3.139.76 0:0:0:0:0:ffff:7803:8b4c
120.3.139.77 0:0:0:0:0:ffff:7803:8b4d
120.3.139.78 0:0:0:0:0:ffff:7803:8b4e
120.3.139.79 0:0:0:0:0:ffff:7803:8b4f
120.3.139.80 0:0:0:0:0:ffff:7803:8b50
120.3.139.81 0:0:0:0:0:ffff:7803:8b51
120.3.139.82 0:0:0:0:0:ffff:7803:8b52
120.3.139.83 0:0:0:0:0:ffff:7803:8b53
120.3.139.84 0:0:0:0:0:ffff:7803:8b54
120.3.139.85 0:0:0:0:0:ffff:7803:8b55
120.3.139.86 0:0:0:0:0:ffff:7803:8b56
120.3.139.87 0:0:0:0:0:ffff:7803:8b57
120.3.139.88 0:0:0:0:0:ffff:7803:8b58
120.3.139.89 0:0:0:0:0:ffff:7803:8b59
120.3.139.90 0:0:0:0:0:ffff:7803:8b5a
120.3.139.91 0:0:0:0:0:ffff:7803:8b5b
120.3.139.92 0:0:0:0:0:ffff:7803:8b5c
120.3.139.93 0:0:0:0:0:ffff:7803:8b5d
120.3.139.94 0:0:0:0:0:ffff:7803:8b5e
120.3.139.95 0:0:0:0:0:ffff:7803:8b5f
120.3.139.96 0:0:0:0:0:ffff:7803:8b60
120.3.139.97 0:0:0:0:0:ffff:7803:8b61
120.3.139.98 0:0:0:0:0:ffff:7803:8b62
120.3.139.99 0:0:0:0:0:ffff:7803:8b63
120.3.139.100 0:0:0:0:0:ffff:7803:8b64
120.3.139.101 0:0:0:0:0:ffff:7803:8b65
120.3.139.102 0:0:0:0:0:ffff:7803:8b66
120.3.139.103 0:0:0:0:0:ffff:7803:8b67
120.3.139.104 0:0:0:0:0:ffff:7803:8b68
120.3.139.105 0:0:0:0:0:ffff:7803:8b69
120.3.139.106 0:0:0:0:0:ffff:7803:8b6a
120.3.139.107 0:0:0:0:0:ffff:7803:8b6b
120.3.139.108 0:0:0:0:0:ffff:7803:8b6c
120.3.139.109 0:0:0:0:0:ffff:7803:8b6d
120.3.139.110 0:0:0:0:0:ffff:7803:8b6e
120.3.139.111 0:0:0:0:0:ffff:7803:8b6f
120.3.139.112 0:0:0:0:0:ffff:7803:8b70
120.3.139.113 0:0:0:0:0:ffff:7803:8b71
120.3.139.114 0:0:0:0:0:ffff:7803:8b72
120.3.139.115 0:0:0:0:0:ffff:7803:8b73
120.3.139.116 0:0:0:0:0:ffff:7803:8b74
120.3.139.117 0:0:0:0:0:ffff:7803:8b75
120.3.139.118 0:0:0:0:0:ffff:7803:8b76
120.3.139.119 0:0:0:0:0:ffff:7803:8b77
120.3.139.120 0:0:0:0:0:ffff:7803:8b78


120.3.139.121 0:0:0:0:0:ffff:7803:8b79
120.3.139.122 0:0:0:0:0:ffff:7803:8b7a
120.3.139.123 0:0:0:0:0:ffff:7803:8b7b
120.3.139.124 0:0:0:0:0:ffff:7803:8b7c
120.3.139.125 0:0:0:0:0:ffff:7803:8b7d
120.3.139.126 0:0:0:0:0:ffff:7803:8b7e
120.3.139.127 0:0:0:0:0:ffff:7803:8b7f
120.3.139.128 0:0:0:0:0:ffff:7803:8b80
120.3.139.129 0:0:0:0:0:ffff:7803:8b81
120.3.139.130 0:0:0:0:0:ffff:7803:8b82
120.3.139.131 0:0:0:0:0:ffff:7803:8b83
120.3.139.132 0:0:0:0:0:ffff:7803:8b84
120.3.139.133 0:0:0:0:0:ffff:7803:8b85
120.3.139.134 0:0:0:0:0:ffff:7803:8b86
120.3.139.135 0:0:0:0:0:ffff:7803:8b87
120.3.139.136 0:0:0:0:0:ffff:7803:8b88
120.3.139.137 0:0:0:0:0:ffff:7803:8b89
120.3.139.138 0:0:0:0:0:ffff:7803:8b8a
120.3.139.139 0:0:0:0:0:ffff:7803:8b8b
120.3.139.140 0:0:0:0:0:ffff:7803:8b8c
120.3.139.141 0:0:0:0:0:ffff:7803:8b8d
120.3.139.142 0:0:0:0:0:ffff:7803:8b8e
120.3.139.143 0:0:0:0:0:ffff:7803:8b8f
120.3.139.144 0:0:0:0:0:ffff:7803:8b90
120.3.139.145 0:0:0:0:0:ffff:7803:8b91
120.3.139.146 0:0:0:0:0:ffff:7803:8b92
120.3.139.147 0:0:0:0:0:ffff:7803:8b93
120.3.139.148 0:0:0:0:0:ffff:7803:8b94
120.3.139.149 0:0:0:0:0:ffff:7803:8b95
120.3.139.150 0:0:0:0:0:ffff:7803:8b96
120.3.139.151 0:0:0:0:0:ffff:7803:8b97
120.3.139.152 0:0:0:0:0:ffff:7803:8b98
120.3.139.153 0:0:0:0:0:ffff:7803:8b99
120.3.139.154 0:0:0:0:0:ffff:7803:8b9a
120.3.139.155 0:0:0:0:0:ffff:7803:8b9b
120.3.139.156 0:0:0:0:0:ffff:7803:8b9c
120.3.139.157 0:0:0:0:0:ffff:7803:8b9d
120.3.139.158 0:0:0:0:0:ffff:7803:8b9e
120.3.139.159 0:0:0:0:0:ffff:7803:8b9f
120.3.139.160 0:0:0:0:0:ffff:7803:8ba0
120.3.139.161 0:0:0:0:0:ffff:7803:8ba1
120.3.139.162 0:0:0:0:0:ffff:7803:8ba2
120.3.139.163 0:0:0:0:0:ffff:7803:8ba3
120.3.139.164 0:0:0:0:0:ffff:7803:8ba4
120.3.139.165 0:0:0:0:0:ffff:7803:8ba5
120.3.139.166 0:0:0:0:0:ffff:7803:8ba6
120.3.139.167 0:0:0:0:0:ffff:7803:8ba7
120.3.139.168 0:0:0:0:0:ffff:7803:8ba8
120.3.139.169 0:0:0:0:0:ffff:7803:8ba9
120.3.139.170 0:0:0:0:0:ffff:7803:8baa
120.3.139.171 0:0:0:0:0:ffff:7803:8bab
120.3.139.172 0:0:0:0:0:ffff:7803:8bac
120.3.139.173 0:0:0:0:0:ffff:7803:8bad
120.3.139.174 0:0:0:0:0:ffff:7803:8bae
120.3.139.175 0:0:0:0:0:ffff:7803:8baf
120.3.139.176 0:0:0:0:0:ffff:7803:8bb0
120.3.139.177 0:0:0:0:0:ffff:7803:8bb1
120.3.139.178 0:0:0:0:0:ffff:7803:8bb2
120.3.139.179 0:0:0:0:0:ffff:7803:8bb3
120.3.139.180 0:0:0:0:0:ffff:7803:8bb4


120.3.139.181 0:0:0:0:0:ffff:7803:8bb5
120.3.139.182 0:0:0:0:0:ffff:7803:8bb6
120.3.139.183 0:0:0:0:0:ffff:7803:8bb7
120.3.139.184 0:0:0:0:0:ffff:7803:8bb8
120.3.139.185 0:0:0:0:0:ffff:7803:8bb9
120.3.139.186 0:0:0:0:0:ffff:7803:8bba
120.3.139.187 0:0:0:0:0:ffff:7803:8bbb
120.3.139.188 0:0:0:0:0:ffff:7803:8bbc
120.3.139.189 0:0:0:0:0:ffff:7803:8bbd
120.3.139.190 0:0:0:0:0:ffff:7803:8bbe
120.3.139.191 0:0:0:0:0:ffff:7803:8bbf
120.3.139.192 0:0:0:0:0:ffff:7803:8bc0
120.3.139.193 0:0:0:0:0:ffff:7803:8bc1
120.3.139.194 0:0:0:0:0:ffff:7803:8bc2
120.3.139.195 0:0:0:0:0:ffff:7803:8bc3
120.3.139.196 0:0:0:0:0:ffff:7803:8bc4
120.3.139.197 0:0:0:0:0:ffff:7803:8bc5
120.3.139.198 0:0:0:0:0:ffff:7803:8bc6
120.3.139.199 0:0:0:0:0:ffff:7803:8bc7
120.3.139.200 0:0:0:0:0:ffff:7803:8bc8
120.3.139.201 0:0:0:0:0:ffff:7803:8bc9
120.3.139.202 0:0:0:0:0:ffff:7803:8bca
120.3.139.203 0:0:0:0:0:ffff:7803:8bcb
120.3.139.204 0:0:0:0:0:ffff:7803:8bcc
120.3.139.205 0:0:0:0:0:ffff:7803:8bcd
120.3.139.206 0:0:0:0:0:ffff:7803:8bce
120.3.139.207 0:0:0:0:0:ffff:7803:8bcf
120.3.139.208 0:0:0:0:0:ffff:7803:8bd0
120.3.139.209 0:0:0:0:0:ffff:7803:8bd1
120.3.139.210 0:0:0:0:0:ffff:7803:8bd2
120.3.139.211 0:0:0:0:0:ffff:7803:8bd3
120.3.139.212 0:0:0:0:0:ffff:7803:8bd4
120.3.139.213 0:0:0:0:0:ffff:7803:8bd5
120.3.139.214 0:0:0:0:0:ffff:7803:8bd6
120.3.139.215 0:0:0:0:0:ffff:7803:8bd7
120.3.139.216 0:0:0:0:0:ffff:7803:8bd8
120.3.139.217 0:0:0:0:0:ffff:7803:8bd9
120.3.139.218 0:0:0:0:0:ffff:7803:8bda
120.3.139.219 0:0:0:0:0:ffff:7803:8bdb
120.3.139.220 0:0:0:0:0:ffff:7803:8bdc
120.3.139.221 0:0:0:0:0:ffff:7803:8bdd
120.3.139.222 0:0:0:0:0:ffff:7803:8bde
120.3.139.223 0:0:0:0:0:ffff:7803:8bdf
120.3.139.224 0:0:0:0:0:ffff:7803:8be0
120.3.139.225 0:0:0:0:0:ffff:7803:8be1
120.3.139.226 0:0:0:0:0:ffff:7803:8be2
120.3.139.227 0:0:0:0:0:ffff:7803:8be3
120.3.139.228 0:0:0:0:0:ffff:7803:8be4
120.3.139.229 0:0:0:0:0:ffff:7803:8be5
120.3.139.230 0:0:0:0:0:ffff:7803:8be6
120.3.139.231 0:0:0:0:0:ffff:7803:8be7
120.3.139.232 0:0:0:0:0:ffff:7803:8be8
120.3.139.233 0:0:0:0:0:ffff:7803:8be9
120.3.139.234 0:0:0:0:0:ffff:7803:8bea
120.3.139.235 0:0:0:0:0:ffff:7803:8beb
120.3.139.236 0:0:0:0:0:ffff:7803:8bec
120.3.139.237 0:0:0:0:0:ffff:7803:8bed
120.3.139.238 0:0:0:0:0:ffff:7803:8bee
120.3.139.239 0:0:0:0:0:ffff:7803:8bef
120.3.139.240 0:0:0:0:0:ffff:7803:8bf0
120.3.139.241 0:0:0:0:0:ffff:7803:8bf1
120.3.139.242 0:0:0:0:0:ffff:7803:8bf2
120.3.139.243 0:0:0:0:0:ffff:7803:8bf3
120.3.139.244 0:0:0:0:0:ffff:7803:8bf4
120.3.139.245 0:0:0:0:0:ffff:7803:8bf5
120.3.139.246 0:0:0:0:0:ffff:7803:8bf6
120.3.139.247 0:0:0:0:0:ffff:7803:8bf7
120.3.139.248 0:0:0:0:0:ffff:7803:8bf8
120.3.139.249 0:0:0:0:0:ffff:7803:8bf9
120.3.139.250 0:0:0:0:0:ffff:7803:8bfa
120.3.139.251 0:0:0:0:0:ffff:7803:8bfb
120.3.139.252 0:0:0:0:0:ffff:7803:8bfc
120.3.139.253 0:0:0:0:0:ffff:7803:8bfd
120.3.139.254 0:0:0:0:0:ffff:7803:8bfe
120.3.139.255 0:0:0:0:0:ffff:7803:8bff


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.