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
151.131.12.1 0:0:0:0:0:ffff:9783:c01
151.131.12.2 0:0:0:0:0:ffff:9783:c02
151.131.12.3 0:0:0:0:0:ffff:9783:c03
151.131.12.4 0:0:0:0:0:ffff:9783:c04
151.131.12.5 0:0:0:0:0:ffff:9783:c05
151.131.12.6 0:0:0:0:0:ffff:9783:c06
151.131.12.7 0:0:0:0:0:ffff:9783:c07
151.131.12.8 0:0:0:0:0:ffff:9783:c08
151.131.12.9 0:0:0:0:0:ffff:9783:c09
151.131.12.10 0:0:0:0:0:ffff:9783:c0a
151.131.12.11 0:0:0:0:0:ffff:9783:c0b
151.131.12.12 0:0:0:0:0:ffff:9783:c0c
151.131.12.13 0:0:0:0:0:ffff:9783:c0d
151.131.12.14 0:0:0:0:0:ffff:9783:c0e
151.131.12.15 0:0:0:0:0:ffff:9783:c0f
151.131.12.16 0:0:0:0:0:ffff:9783:c10
151.131.12.17 0:0:0:0:0:ffff:9783:c11
151.131.12.18 0:0:0:0:0:ffff:9783:c12
151.131.12.19 0:0:0:0:0:ffff:9783:c13
151.131.12.20 0:0:0:0:0:ffff:9783:c14
151.131.12.21 0:0:0:0:0:ffff:9783:c15
151.131.12.22 0:0:0:0:0:ffff:9783:c16
151.131.12.23 0:0:0:0:0:ffff:9783:c17
151.131.12.24 0:0:0:0:0:ffff:9783:c18
151.131.12.25 0:0:0:0:0:ffff:9783:c19
151.131.12.26 0:0:0:0:0:ffff:9783:c1a
151.131.12.27 0:0:0:0:0:ffff:9783:c1b
151.131.12.28 0:0:0:0:0:ffff:9783:c1c
151.131.12.29 0:0:0:0:0:ffff:9783:c1d
151.131.12.30 0:0:0:0:0:ffff:9783:c1e
151.131.12.31 0:0:0:0:0:ffff:9783:c1f
151.131.12.32 0:0:0:0:0:ffff:9783:c20
151.131.12.33 0:0:0:0:0:ffff:9783:c21
151.131.12.34 0:0:0:0:0:ffff:9783:c22
151.131.12.35 0:0:0:0:0:ffff:9783:c23
151.131.12.36 0:0:0:0:0:ffff:9783:c24
151.131.12.37 0:0:0:0:0:ffff:9783:c25
151.131.12.38 0:0:0:0:0:ffff:9783:c26
151.131.12.39 0:0:0:0:0:ffff:9783:c27
151.131.12.40 0:0:0:0:0:ffff:9783:c28
151.131.12.41 0:0:0:0:0:ffff:9783:c29
151.131.12.42 0:0:0:0:0:ffff:9783:c2a
151.131.12.43 0:0:0:0:0:ffff:9783:c2b
151.131.12.44 0:0:0:0:0:ffff:9783:c2c
151.131.12.45 0:0:0:0:0:ffff:9783:c2d
151.131.12.46 0:0:0:0:0:ffff:9783:c2e
151.131.12.47 0:0:0:0:0:ffff:9783:c2f
151.131.12.48 0:0:0:0:0:ffff:9783:c30
151.131.12.49 0:0:0:0:0:ffff:9783:c31
151.131.12.50 0:0:0:0:0:ffff:9783:c32
151.131.12.51 0:0:0:0:0:ffff:9783:c33
151.131.12.52 0:0:0:0:0:ffff:9783:c34
151.131.12.53 0:0:0:0:0:ffff:9783:c35
151.131.12.54 0:0:0:0:0:ffff:9783:c36
151.131.12.55 0:0:0:0:0:ffff:9783:c37
151.131.12.56 0:0:0:0:0:ffff:9783:c38
151.131.12.57 0:0:0:0:0:ffff:9783:c39
151.131.12.58 0:0:0:0:0:ffff:9783:c3a
151.131.12.59 0:0:0:0:0:ffff:9783:c3b
151.131.12.60 0:0:0:0:0:ffff:9783:c3c


151.131.12.61 0:0:0:0:0:ffff:9783:c3d
151.131.12.62 0:0:0:0:0:ffff:9783:c3e
151.131.12.63 0:0:0:0:0:ffff:9783:c3f
151.131.12.64 0:0:0:0:0:ffff:9783:c40
151.131.12.65 0:0:0:0:0:ffff:9783:c41
151.131.12.66 0:0:0:0:0:ffff:9783:c42
151.131.12.67 0:0:0:0:0:ffff:9783:c43
151.131.12.68 0:0:0:0:0:ffff:9783:c44
151.131.12.69 0:0:0:0:0:ffff:9783:c45
151.131.12.70 0:0:0:0:0:ffff:9783:c46
151.131.12.71 0:0:0:0:0:ffff:9783:c47
151.131.12.72 0:0:0:0:0:ffff:9783:c48
151.131.12.73 0:0:0:0:0:ffff:9783:c49
151.131.12.74 0:0:0:0:0:ffff:9783:c4a
151.131.12.75 0:0:0:0:0:ffff:9783:c4b
151.131.12.76 0:0:0:0:0:ffff:9783:c4c
151.131.12.77 0:0:0:0:0:ffff:9783:c4d
151.131.12.78 0:0:0:0:0:ffff:9783:c4e
151.131.12.79 0:0:0:0:0:ffff:9783:c4f
151.131.12.80 0:0:0:0:0:ffff:9783:c50
151.131.12.81 0:0:0:0:0:ffff:9783:c51
151.131.12.82 0:0:0:0:0:ffff:9783:c52
151.131.12.83 0:0:0:0:0:ffff:9783:c53
151.131.12.84 0:0:0:0:0:ffff:9783:c54
151.131.12.85 0:0:0:0:0:ffff:9783:c55
151.131.12.86 0:0:0:0:0:ffff:9783:c56
151.131.12.87 0:0:0:0:0:ffff:9783:c57
151.131.12.88 0:0:0:0:0:ffff:9783:c58
151.131.12.89 0:0:0:0:0:ffff:9783:c59
151.131.12.90 0:0:0:0:0:ffff:9783:c5a
151.131.12.91 0:0:0:0:0:ffff:9783:c5b
151.131.12.92 0:0:0:0:0:ffff:9783:c5c
151.131.12.93 0:0:0:0:0:ffff:9783:c5d
151.131.12.94 0:0:0:0:0:ffff:9783:c5e
151.131.12.95 0:0:0:0:0:ffff:9783:c5f
151.131.12.96 0:0:0:0:0:ffff:9783:c60
151.131.12.97 0:0:0:0:0:ffff:9783:c61
151.131.12.98 0:0:0:0:0:ffff:9783:c62
151.131.12.99 0:0:0:0:0:ffff:9783:c63
151.131.12.100 0:0:0:0:0:ffff:9783:c64
151.131.12.101 0:0:0:0:0:ffff:9783:c65
151.131.12.102 0:0:0:0:0:ffff:9783:c66
151.131.12.103 0:0:0:0:0:ffff:9783:c67
151.131.12.104 0:0:0:0:0:ffff:9783:c68
151.131.12.105 0:0:0:0:0:ffff:9783:c69
151.131.12.106 0:0:0:0:0:ffff:9783:c6a
151.131.12.107 0:0:0:0:0:ffff:9783:c6b
151.131.12.108 0:0:0:0:0:ffff:9783:c6c
151.131.12.109 0:0:0:0:0:ffff:9783:c6d
151.131.12.110 0:0:0:0:0:ffff:9783:c6e
151.131.12.111 0:0:0:0:0:ffff:9783:c6f
151.131.12.112 0:0:0:0:0:ffff:9783:c70
151.131.12.113 0:0:0:0:0:ffff:9783:c71
151.131.12.114 0:0:0:0:0:ffff:9783:c72
151.131.12.115 0:0:0:0:0:ffff:9783:c73
151.131.12.116 0:0:0:0:0:ffff:9783:c74
151.131.12.117 0:0:0:0:0:ffff:9783:c75
151.131.12.118 0:0:0:0:0:ffff:9783:c76
151.131.12.119 0:0:0:0:0:ffff:9783:c77
151.131.12.120 0:0:0:0:0:ffff:9783:c78


151.131.12.121 0:0:0:0:0:ffff:9783:c79
151.131.12.122 0:0:0:0:0:ffff:9783:c7a
151.131.12.123 0:0:0:0:0:ffff:9783:c7b
151.131.12.124 0:0:0:0:0:ffff:9783:c7c
151.131.12.125 0:0:0:0:0:ffff:9783:c7d
151.131.12.126 0:0:0:0:0:ffff:9783:c7e
151.131.12.127 0:0:0:0:0:ffff:9783:c7f
151.131.12.128 0:0:0:0:0:ffff:9783:c80
151.131.12.129 0:0:0:0:0:ffff:9783:c81
151.131.12.130 0:0:0:0:0:ffff:9783:c82
151.131.12.131 0:0:0:0:0:ffff:9783:c83
151.131.12.132 0:0:0:0:0:ffff:9783:c84
151.131.12.133 0:0:0:0:0:ffff:9783:c85
151.131.12.134 0:0:0:0:0:ffff:9783:c86
151.131.12.135 0:0:0:0:0:ffff:9783:c87
151.131.12.136 0:0:0:0:0:ffff:9783:c88
151.131.12.137 0:0:0:0:0:ffff:9783:c89
151.131.12.138 0:0:0:0:0:ffff:9783:c8a
151.131.12.139 0:0:0:0:0:ffff:9783:c8b
151.131.12.140 0:0:0:0:0:ffff:9783:c8c
151.131.12.141 0:0:0:0:0:ffff:9783:c8d
151.131.12.142 0:0:0:0:0:ffff:9783:c8e
151.131.12.143 0:0:0:0:0:ffff:9783:c8f
151.131.12.144 0:0:0:0:0:ffff:9783:c90
151.131.12.145 0:0:0:0:0:ffff:9783:c91
151.131.12.146 0:0:0:0:0:ffff:9783:c92
151.131.12.147 0:0:0:0:0:ffff:9783:c93
151.131.12.148 0:0:0:0:0:ffff:9783:c94
151.131.12.149 0:0:0:0:0:ffff:9783:c95
151.131.12.150 0:0:0:0:0:ffff:9783:c96
151.131.12.151 0:0:0:0:0:ffff:9783:c97
151.131.12.152 0:0:0:0:0:ffff:9783:c98
151.131.12.153 0:0:0:0:0:ffff:9783:c99
151.131.12.154 0:0:0:0:0:ffff:9783:c9a
151.131.12.155 0:0:0:0:0:ffff:9783:c9b
151.131.12.156 0:0:0:0:0:ffff:9783:c9c
151.131.12.157 0:0:0:0:0:ffff:9783:c9d
151.131.12.158 0:0:0:0:0:ffff:9783:c9e
151.131.12.159 0:0:0:0:0:ffff:9783:c9f
151.131.12.160 0:0:0:0:0:ffff:9783:ca0
151.131.12.161 0:0:0:0:0:ffff:9783:ca1
151.131.12.162 0:0:0:0:0:ffff:9783:ca2
151.131.12.163 0:0:0:0:0:ffff:9783:ca3
151.131.12.164 0:0:0:0:0:ffff:9783:ca4
151.131.12.165 0:0:0:0:0:ffff:9783:ca5
151.131.12.166 0:0:0:0:0:ffff:9783:ca6
151.131.12.167 0:0:0:0:0:ffff:9783:ca7
151.131.12.168 0:0:0:0:0:ffff:9783:ca8
151.131.12.169 0:0:0:0:0:ffff:9783:ca9
151.131.12.170 0:0:0:0:0:ffff:9783:caa
151.131.12.171 0:0:0:0:0:ffff:9783:cab
151.131.12.172 0:0:0:0:0:ffff:9783:cac
151.131.12.173 0:0:0:0:0:ffff:9783:cad
151.131.12.174 0:0:0:0:0:ffff:9783:cae
151.131.12.175 0:0:0:0:0:ffff:9783:caf
151.131.12.176 0:0:0:0:0:ffff:9783:cb0
151.131.12.177 0:0:0:0:0:ffff:9783:cb1
151.131.12.178 0:0:0:0:0:ffff:9783:cb2
151.131.12.179 0:0:0:0:0:ffff:9783:cb3
151.131.12.180 0:0:0:0:0:ffff:9783:cb4


151.131.12.181 0:0:0:0:0:ffff:9783:cb5
151.131.12.182 0:0:0:0:0:ffff:9783:cb6
151.131.12.183 0:0:0:0:0:ffff:9783:cb7
151.131.12.184 0:0:0:0:0:ffff:9783:cb8
151.131.12.185 0:0:0:0:0:ffff:9783:cb9
151.131.12.186 0:0:0:0:0:ffff:9783:cba
151.131.12.187 0:0:0:0:0:ffff:9783:cbb
151.131.12.188 0:0:0:0:0:ffff:9783:cbc
151.131.12.189 0:0:0:0:0:ffff:9783:cbd
151.131.12.190 0:0:0:0:0:ffff:9783:cbe
151.131.12.191 0:0:0:0:0:ffff:9783:cbf
151.131.12.192 0:0:0:0:0:ffff:9783:cc0
151.131.12.193 0:0:0:0:0:ffff:9783:cc1
151.131.12.194 0:0:0:0:0:ffff:9783:cc2
151.131.12.195 0:0:0:0:0:ffff:9783:cc3
151.131.12.196 0:0:0:0:0:ffff:9783:cc4
151.131.12.197 0:0:0:0:0:ffff:9783:cc5
151.131.12.198 0:0:0:0:0:ffff:9783:cc6
151.131.12.199 0:0:0:0:0:ffff:9783:cc7
151.131.12.200 0:0:0:0:0:ffff:9783:cc8
151.131.12.201 0:0:0:0:0:ffff:9783:cc9
151.131.12.202 0:0:0:0:0:ffff:9783:cca
151.131.12.203 0:0:0:0:0:ffff:9783:ccb
151.131.12.204 0:0:0:0:0:ffff:9783:ccc
151.131.12.205 0:0:0:0:0:ffff:9783:ccd
151.131.12.206 0:0:0:0:0:ffff:9783:cce
151.131.12.207 0:0:0:0:0:ffff:9783:ccf
151.131.12.208 0:0:0:0:0:ffff:9783:cd0
151.131.12.209 0:0:0:0:0:ffff:9783:cd1
151.131.12.210 0:0:0:0:0:ffff:9783:cd2
151.131.12.211 0:0:0:0:0:ffff:9783:cd3
151.131.12.212 0:0:0:0:0:ffff:9783:cd4
151.131.12.213 0:0:0:0:0:ffff:9783:cd5
151.131.12.214 0:0:0:0:0:ffff:9783:cd6
151.131.12.215 0:0:0:0:0:ffff:9783:cd7
151.131.12.216 0:0:0:0:0:ffff:9783:cd8
151.131.12.217 0:0:0:0:0:ffff:9783:cd9
151.131.12.218 0:0:0:0:0:ffff:9783:cda
151.131.12.219 0:0:0:0:0:ffff:9783:cdb
151.131.12.220 0:0:0:0:0:ffff:9783:cdc
151.131.12.221 0:0:0:0:0:ffff:9783:cdd
151.131.12.222 0:0:0:0:0:ffff:9783:cde
151.131.12.223 0:0:0:0:0:ffff:9783:cdf
151.131.12.224 0:0:0:0:0:ffff:9783:ce0
151.131.12.225 0:0:0:0:0:ffff:9783:ce1
151.131.12.226 0:0:0:0:0:ffff:9783:ce2
151.131.12.227 0:0:0:0:0:ffff:9783:ce3
151.131.12.228 0:0:0:0:0:ffff:9783:ce4
151.131.12.229 0:0:0:0:0:ffff:9783:ce5
151.131.12.230 0:0:0:0:0:ffff:9783:ce6
151.131.12.231 0:0:0:0:0:ffff:9783:ce7
151.131.12.232 0:0:0:0:0:ffff:9783:ce8
151.131.12.233 0:0:0:0:0:ffff:9783:ce9
151.131.12.234 0:0:0:0:0:ffff:9783:cea
151.131.12.235 0:0:0:0:0:ffff:9783:ceb
151.131.12.236 0:0:0:0:0:ffff:9783:cec
151.131.12.237 0:0:0:0:0:ffff:9783:ced
151.131.12.238 0:0:0:0:0:ffff:9783:cee
151.131.12.239 0:0:0:0:0:ffff:9783:cef
151.131.12.240 0:0:0:0:0:ffff:9783:cf0
151.131.12.241 0:0:0:0:0:ffff:9783:cf1
151.131.12.242 0:0:0:0:0:ffff:9783:cf2
151.131.12.243 0:0:0:0:0:ffff:9783:cf3
151.131.12.244 0:0:0:0:0:ffff:9783:cf4
151.131.12.245 0:0:0:0:0:ffff:9783:cf5
151.131.12.246 0:0:0:0:0:ffff:9783:cf6
151.131.12.247 0:0:0:0:0:ffff:9783:cf7
151.131.12.248 0:0:0:0:0:ffff:9783:cf8
151.131.12.249 0:0:0:0:0:ffff:9783:cf9
151.131.12.250 0:0:0:0:0:ffff:9783:cfa
151.131.12.251 0:0:0:0:0:ffff:9783:cfb
151.131.12.252 0:0:0:0:0:ffff:9783:cfc
151.131.12.253 0:0:0:0:0:ffff:9783:cfd
151.131.12.254 0:0:0:0:0:ffff:9783:cfe
151.131.12.255 0:0:0:0:0:ffff:9783:cff


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.