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
231.188.125.1 0:0:0:0:0:ffff:e7bc:7d01
231.188.125.2 0:0:0:0:0:ffff:e7bc:7d02
231.188.125.3 0:0:0:0:0:ffff:e7bc:7d03
231.188.125.4 0:0:0:0:0:ffff:e7bc:7d04
231.188.125.5 0:0:0:0:0:ffff:e7bc:7d05
231.188.125.6 0:0:0:0:0:ffff:e7bc:7d06
231.188.125.7 0:0:0:0:0:ffff:e7bc:7d07
231.188.125.8 0:0:0:0:0:ffff:e7bc:7d08
231.188.125.9 0:0:0:0:0:ffff:e7bc:7d09
231.188.125.10 0:0:0:0:0:ffff:e7bc:7d0a
231.188.125.11 0:0:0:0:0:ffff:e7bc:7d0b
231.188.125.12 0:0:0:0:0:ffff:e7bc:7d0c
231.188.125.13 0:0:0:0:0:ffff:e7bc:7d0d
231.188.125.14 0:0:0:0:0:ffff:e7bc:7d0e
231.188.125.15 0:0:0:0:0:ffff:e7bc:7d0f
231.188.125.16 0:0:0:0:0:ffff:e7bc:7d10
231.188.125.17 0:0:0:0:0:ffff:e7bc:7d11
231.188.125.18 0:0:0:0:0:ffff:e7bc:7d12
231.188.125.19 0:0:0:0:0:ffff:e7bc:7d13
231.188.125.20 0:0:0:0:0:ffff:e7bc:7d14
231.188.125.21 0:0:0:0:0:ffff:e7bc:7d15
231.188.125.22 0:0:0:0:0:ffff:e7bc:7d16
231.188.125.23 0:0:0:0:0:ffff:e7bc:7d17
231.188.125.24 0:0:0:0:0:ffff:e7bc:7d18
231.188.125.25 0:0:0:0:0:ffff:e7bc:7d19
231.188.125.26 0:0:0:0:0:ffff:e7bc:7d1a
231.188.125.27 0:0:0:0:0:ffff:e7bc:7d1b
231.188.125.28 0:0:0:0:0:ffff:e7bc:7d1c
231.188.125.29 0:0:0:0:0:ffff:e7bc:7d1d
231.188.125.30 0:0:0:0:0:ffff:e7bc:7d1e
231.188.125.31 0:0:0:0:0:ffff:e7bc:7d1f
231.188.125.32 0:0:0:0:0:ffff:e7bc:7d20
231.188.125.33 0:0:0:0:0:ffff:e7bc:7d21
231.188.125.34 0:0:0:0:0:ffff:e7bc:7d22
231.188.125.35 0:0:0:0:0:ffff:e7bc:7d23
231.188.125.36 0:0:0:0:0:ffff:e7bc:7d24
231.188.125.37 0:0:0:0:0:ffff:e7bc:7d25
231.188.125.38 0:0:0:0:0:ffff:e7bc:7d26
231.188.125.39 0:0:0:0:0:ffff:e7bc:7d27
231.188.125.40 0:0:0:0:0:ffff:e7bc:7d28
231.188.125.41 0:0:0:0:0:ffff:e7bc:7d29
231.188.125.42 0:0:0:0:0:ffff:e7bc:7d2a
231.188.125.43 0:0:0:0:0:ffff:e7bc:7d2b
231.188.125.44 0:0:0:0:0:ffff:e7bc:7d2c
231.188.125.45 0:0:0:0:0:ffff:e7bc:7d2d
231.188.125.46 0:0:0:0:0:ffff:e7bc:7d2e
231.188.125.47 0:0:0:0:0:ffff:e7bc:7d2f
231.188.125.48 0:0:0:0:0:ffff:e7bc:7d30
231.188.125.49 0:0:0:0:0:ffff:e7bc:7d31
231.188.125.50 0:0:0:0:0:ffff:e7bc:7d32
231.188.125.51 0:0:0:0:0:ffff:e7bc:7d33
231.188.125.52 0:0:0:0:0:ffff:e7bc:7d34
231.188.125.53 0:0:0:0:0:ffff:e7bc:7d35
231.188.125.54 0:0:0:0:0:ffff:e7bc:7d36
231.188.125.55 0:0:0:0:0:ffff:e7bc:7d37
231.188.125.56 0:0:0:0:0:ffff:e7bc:7d38
231.188.125.57 0:0:0:0:0:ffff:e7bc:7d39
231.188.125.58 0:0:0:0:0:ffff:e7bc:7d3a
231.188.125.59 0:0:0:0:0:ffff:e7bc:7d3b
231.188.125.60 0:0:0:0:0:ffff:e7bc:7d3c


231.188.125.61 0:0:0:0:0:ffff:e7bc:7d3d
231.188.125.62 0:0:0:0:0:ffff:e7bc:7d3e
231.188.125.63 0:0:0:0:0:ffff:e7bc:7d3f
231.188.125.64 0:0:0:0:0:ffff:e7bc:7d40
231.188.125.65 0:0:0:0:0:ffff:e7bc:7d41
231.188.125.66 0:0:0:0:0:ffff:e7bc:7d42
231.188.125.67 0:0:0:0:0:ffff:e7bc:7d43
231.188.125.68 0:0:0:0:0:ffff:e7bc:7d44
231.188.125.69 0:0:0:0:0:ffff:e7bc:7d45
231.188.125.70 0:0:0:0:0:ffff:e7bc:7d46
231.188.125.71 0:0:0:0:0:ffff:e7bc:7d47
231.188.125.72 0:0:0:0:0:ffff:e7bc:7d48
231.188.125.73 0:0:0:0:0:ffff:e7bc:7d49
231.188.125.74 0:0:0:0:0:ffff:e7bc:7d4a
231.188.125.75 0:0:0:0:0:ffff:e7bc:7d4b
231.188.125.76 0:0:0:0:0:ffff:e7bc:7d4c
231.188.125.77 0:0:0:0:0:ffff:e7bc:7d4d
231.188.125.78 0:0:0:0:0:ffff:e7bc:7d4e
231.188.125.79 0:0:0:0:0:ffff:e7bc:7d4f
231.188.125.80 0:0:0:0:0:ffff:e7bc:7d50
231.188.125.81 0:0:0:0:0:ffff:e7bc:7d51
231.188.125.82 0:0:0:0:0:ffff:e7bc:7d52
231.188.125.83 0:0:0:0:0:ffff:e7bc:7d53
231.188.125.84 0:0:0:0:0:ffff:e7bc:7d54
231.188.125.85 0:0:0:0:0:ffff:e7bc:7d55
231.188.125.86 0:0:0:0:0:ffff:e7bc:7d56
231.188.125.87 0:0:0:0:0:ffff:e7bc:7d57
231.188.125.88 0:0:0:0:0:ffff:e7bc:7d58
231.188.125.89 0:0:0:0:0:ffff:e7bc:7d59
231.188.125.90 0:0:0:0:0:ffff:e7bc:7d5a
231.188.125.91 0:0:0:0:0:ffff:e7bc:7d5b
231.188.125.92 0:0:0:0:0:ffff:e7bc:7d5c
231.188.125.93 0:0:0:0:0:ffff:e7bc:7d5d
231.188.125.94 0:0:0:0:0:ffff:e7bc:7d5e
231.188.125.95 0:0:0:0:0:ffff:e7bc:7d5f
231.188.125.96 0:0:0:0:0:ffff:e7bc:7d60
231.188.125.97 0:0:0:0:0:ffff:e7bc:7d61
231.188.125.98 0:0:0:0:0:ffff:e7bc:7d62
231.188.125.99 0:0:0:0:0:ffff:e7bc:7d63
231.188.125.100 0:0:0:0:0:ffff:e7bc:7d64
231.188.125.101 0:0:0:0:0:ffff:e7bc:7d65
231.188.125.102 0:0:0:0:0:ffff:e7bc:7d66
231.188.125.103 0:0:0:0:0:ffff:e7bc:7d67
231.188.125.104 0:0:0:0:0:ffff:e7bc:7d68
231.188.125.105 0:0:0:0:0:ffff:e7bc:7d69
231.188.125.106 0:0:0:0:0:ffff:e7bc:7d6a
231.188.125.107 0:0:0:0:0:ffff:e7bc:7d6b
231.188.125.108 0:0:0:0:0:ffff:e7bc:7d6c
231.188.125.109 0:0:0:0:0:ffff:e7bc:7d6d
231.188.125.110 0:0:0:0:0:ffff:e7bc:7d6e
231.188.125.111 0:0:0:0:0:ffff:e7bc:7d6f
231.188.125.112 0:0:0:0:0:ffff:e7bc:7d70
231.188.125.113 0:0:0:0:0:ffff:e7bc:7d71
231.188.125.114 0:0:0:0:0:ffff:e7bc:7d72
231.188.125.115 0:0:0:0:0:ffff:e7bc:7d73
231.188.125.116 0:0:0:0:0:ffff:e7bc:7d74
231.188.125.117 0:0:0:0:0:ffff:e7bc:7d75
231.188.125.118 0:0:0:0:0:ffff:e7bc:7d76
231.188.125.119 0:0:0:0:0:ffff:e7bc:7d77
231.188.125.120 0:0:0:0:0:ffff:e7bc:7d78


231.188.125.121 0:0:0:0:0:ffff:e7bc:7d79
231.188.125.122 0:0:0:0:0:ffff:e7bc:7d7a
231.188.125.123 0:0:0:0:0:ffff:e7bc:7d7b
231.188.125.124 0:0:0:0:0:ffff:e7bc:7d7c
231.188.125.125 0:0:0:0:0:ffff:e7bc:7d7d
231.188.125.126 0:0:0:0:0:ffff:e7bc:7d7e
231.188.125.127 0:0:0:0:0:ffff:e7bc:7d7f
231.188.125.128 0:0:0:0:0:ffff:e7bc:7d80
231.188.125.129 0:0:0:0:0:ffff:e7bc:7d81
231.188.125.130 0:0:0:0:0:ffff:e7bc:7d82
231.188.125.131 0:0:0:0:0:ffff:e7bc:7d83
231.188.125.132 0:0:0:0:0:ffff:e7bc:7d84
231.188.125.133 0:0:0:0:0:ffff:e7bc:7d85
231.188.125.134 0:0:0:0:0:ffff:e7bc:7d86
231.188.125.135 0:0:0:0:0:ffff:e7bc:7d87
231.188.125.136 0:0:0:0:0:ffff:e7bc:7d88
231.188.125.137 0:0:0:0:0:ffff:e7bc:7d89
231.188.125.138 0:0:0:0:0:ffff:e7bc:7d8a
231.188.125.139 0:0:0:0:0:ffff:e7bc:7d8b
231.188.125.140 0:0:0:0:0:ffff:e7bc:7d8c
231.188.125.141 0:0:0:0:0:ffff:e7bc:7d8d
231.188.125.142 0:0:0:0:0:ffff:e7bc:7d8e
231.188.125.143 0:0:0:0:0:ffff:e7bc:7d8f
231.188.125.144 0:0:0:0:0:ffff:e7bc:7d90
231.188.125.145 0:0:0:0:0:ffff:e7bc:7d91
231.188.125.146 0:0:0:0:0:ffff:e7bc:7d92
231.188.125.147 0:0:0:0:0:ffff:e7bc:7d93
231.188.125.148 0:0:0:0:0:ffff:e7bc:7d94
231.188.125.149 0:0:0:0:0:ffff:e7bc:7d95
231.188.125.150 0:0:0:0:0:ffff:e7bc:7d96
231.188.125.151 0:0:0:0:0:ffff:e7bc:7d97
231.188.125.152 0:0:0:0:0:ffff:e7bc:7d98
231.188.125.153 0:0:0:0:0:ffff:e7bc:7d99
231.188.125.154 0:0:0:0:0:ffff:e7bc:7d9a
231.188.125.155 0:0:0:0:0:ffff:e7bc:7d9b
231.188.125.156 0:0:0:0:0:ffff:e7bc:7d9c
231.188.125.157 0:0:0:0:0:ffff:e7bc:7d9d
231.188.125.158 0:0:0:0:0:ffff:e7bc:7d9e
231.188.125.159 0:0:0:0:0:ffff:e7bc:7d9f
231.188.125.160 0:0:0:0:0:ffff:e7bc:7da0
231.188.125.161 0:0:0:0:0:ffff:e7bc:7da1
231.188.125.162 0:0:0:0:0:ffff:e7bc:7da2
231.188.125.163 0:0:0:0:0:ffff:e7bc:7da3
231.188.125.164 0:0:0:0:0:ffff:e7bc:7da4
231.188.125.165 0:0:0:0:0:ffff:e7bc:7da5
231.188.125.166 0:0:0:0:0:ffff:e7bc:7da6
231.188.125.167 0:0:0:0:0:ffff:e7bc:7da7
231.188.125.168 0:0:0:0:0:ffff:e7bc:7da8
231.188.125.169 0:0:0:0:0:ffff:e7bc:7da9
231.188.125.170 0:0:0:0:0:ffff:e7bc:7daa
231.188.125.171 0:0:0:0:0:ffff:e7bc:7dab
231.188.125.172 0:0:0:0:0:ffff:e7bc:7dac
231.188.125.173 0:0:0:0:0:ffff:e7bc:7dad
231.188.125.174 0:0:0:0:0:ffff:e7bc:7dae
231.188.125.175 0:0:0:0:0:ffff:e7bc:7daf
231.188.125.176 0:0:0:0:0:ffff:e7bc:7db0
231.188.125.177 0:0:0:0:0:ffff:e7bc:7db1
231.188.125.178 0:0:0:0:0:ffff:e7bc:7db2
231.188.125.179 0:0:0:0:0:ffff:e7bc:7db3
231.188.125.180 0:0:0:0:0:ffff:e7bc:7db4


231.188.125.181 0:0:0:0:0:ffff:e7bc:7db5
231.188.125.182 0:0:0:0:0:ffff:e7bc:7db6
231.188.125.183 0:0:0:0:0:ffff:e7bc:7db7
231.188.125.184 0:0:0:0:0:ffff:e7bc:7db8
231.188.125.185 0:0:0:0:0:ffff:e7bc:7db9
231.188.125.186 0:0:0:0:0:ffff:e7bc:7dba
231.188.125.187 0:0:0:0:0:ffff:e7bc:7dbb
231.188.125.188 0:0:0:0:0:ffff:e7bc:7dbc
231.188.125.189 0:0:0:0:0:ffff:e7bc:7dbd
231.188.125.190 0:0:0:0:0:ffff:e7bc:7dbe
231.188.125.191 0:0:0:0:0:ffff:e7bc:7dbf
231.188.125.192 0:0:0:0:0:ffff:e7bc:7dc0
231.188.125.193 0:0:0:0:0:ffff:e7bc:7dc1
231.188.125.194 0:0:0:0:0:ffff:e7bc:7dc2
231.188.125.195 0:0:0:0:0:ffff:e7bc:7dc3
231.188.125.196 0:0:0:0:0:ffff:e7bc:7dc4
231.188.125.197 0:0:0:0:0:ffff:e7bc:7dc5
231.188.125.198 0:0:0:0:0:ffff:e7bc:7dc6
231.188.125.199 0:0:0:0:0:ffff:e7bc:7dc7
231.188.125.200 0:0:0:0:0:ffff:e7bc:7dc8
231.188.125.201 0:0:0:0:0:ffff:e7bc:7dc9
231.188.125.202 0:0:0:0:0:ffff:e7bc:7dca
231.188.125.203 0:0:0:0:0:ffff:e7bc:7dcb
231.188.125.204 0:0:0:0:0:ffff:e7bc:7dcc
231.188.125.205 0:0:0:0:0:ffff:e7bc:7dcd
231.188.125.206 0:0:0:0:0:ffff:e7bc:7dce
231.188.125.207 0:0:0:0:0:ffff:e7bc:7dcf
231.188.125.208 0:0:0:0:0:ffff:e7bc:7dd0
231.188.125.209 0:0:0:0:0:ffff:e7bc:7dd1
231.188.125.210 0:0:0:0:0:ffff:e7bc:7dd2
231.188.125.211 0:0:0:0:0:ffff:e7bc:7dd3
231.188.125.212 0:0:0:0:0:ffff:e7bc:7dd4
231.188.125.213 0:0:0:0:0:ffff:e7bc:7dd5
231.188.125.214 0:0:0:0:0:ffff:e7bc:7dd6
231.188.125.215 0:0:0:0:0:ffff:e7bc:7dd7
231.188.125.216 0:0:0:0:0:ffff:e7bc:7dd8
231.188.125.217 0:0:0:0:0:ffff:e7bc:7dd9
231.188.125.218 0:0:0:0:0:ffff:e7bc:7dda
231.188.125.219 0:0:0:0:0:ffff:e7bc:7ddb
231.188.125.220 0:0:0:0:0:ffff:e7bc:7ddc
231.188.125.221 0:0:0:0:0:ffff:e7bc:7ddd
231.188.125.222 0:0:0:0:0:ffff:e7bc:7dde
231.188.125.223 0:0:0:0:0:ffff:e7bc:7ddf
231.188.125.224 0:0:0:0:0:ffff:e7bc:7de0
231.188.125.225 0:0:0:0:0:ffff:e7bc:7de1
231.188.125.226 0:0:0:0:0:ffff:e7bc:7de2
231.188.125.227 0:0:0:0:0:ffff:e7bc:7de3
231.188.125.228 0:0:0:0:0:ffff:e7bc:7de4
231.188.125.229 0:0:0:0:0:ffff:e7bc:7de5
231.188.125.230 0:0:0:0:0:ffff:e7bc:7de6
231.188.125.231 0:0:0:0:0:ffff:e7bc:7de7
231.188.125.232 0:0:0:0:0:ffff:e7bc:7de8
231.188.125.233 0:0:0:0:0:ffff:e7bc:7de9
231.188.125.234 0:0:0:0:0:ffff:e7bc:7dea
231.188.125.235 0:0:0:0:0:ffff:e7bc:7deb
231.188.125.236 0:0:0:0:0:ffff:e7bc:7dec
231.188.125.237 0:0:0:0:0:ffff:e7bc:7ded
231.188.125.238 0:0:0:0:0:ffff:e7bc:7dee
231.188.125.239 0:0:0:0:0:ffff:e7bc:7def
231.188.125.240 0:0:0:0:0:ffff:e7bc:7df0
231.188.125.241 0:0:0:0:0:ffff:e7bc:7df1
231.188.125.242 0:0:0:0:0:ffff:e7bc:7df2
231.188.125.243 0:0:0:0:0:ffff:e7bc:7df3
231.188.125.244 0:0:0:0:0:ffff:e7bc:7df4
231.188.125.245 0:0:0:0:0:ffff:e7bc:7df5
231.188.125.246 0:0:0:0:0:ffff:e7bc:7df6
231.188.125.247 0:0:0:0:0:ffff:e7bc:7df7
231.188.125.248 0:0:0:0:0:ffff:e7bc:7df8
231.188.125.249 0:0:0:0:0:ffff:e7bc:7df9
231.188.125.250 0:0:0:0:0:ffff:e7bc:7dfa
231.188.125.251 0:0:0:0:0:ffff:e7bc:7dfb
231.188.125.252 0:0:0:0:0:ffff:e7bc:7dfc
231.188.125.253 0:0:0:0:0:ffff:e7bc:7dfd
231.188.125.254 0:0:0:0:0:ffff:e7bc:7dfe
231.188.125.255 0:0:0:0:0:ffff:e7bc:7dff


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.