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
203.160.125.1 0:0:0:0:0:ffff:cba0:7d01
203.160.125.2 0:0:0:0:0:ffff:cba0:7d02
203.160.125.3 0:0:0:0:0:ffff:cba0:7d03
203.160.125.4 0:0:0:0:0:ffff:cba0:7d04
203.160.125.5 0:0:0:0:0:ffff:cba0:7d05
203.160.125.6 0:0:0:0:0:ffff:cba0:7d06
203.160.125.7 0:0:0:0:0:ffff:cba0:7d07
203.160.125.8 0:0:0:0:0:ffff:cba0:7d08
203.160.125.9 0:0:0:0:0:ffff:cba0:7d09
203.160.125.10 0:0:0:0:0:ffff:cba0:7d0a
203.160.125.11 0:0:0:0:0:ffff:cba0:7d0b
203.160.125.12 0:0:0:0:0:ffff:cba0:7d0c
203.160.125.13 0:0:0:0:0:ffff:cba0:7d0d
203.160.125.14 0:0:0:0:0:ffff:cba0:7d0e
203.160.125.15 0:0:0:0:0:ffff:cba0:7d0f
203.160.125.16 0:0:0:0:0:ffff:cba0:7d10
203.160.125.17 0:0:0:0:0:ffff:cba0:7d11
203.160.125.18 0:0:0:0:0:ffff:cba0:7d12
203.160.125.19 0:0:0:0:0:ffff:cba0:7d13
203.160.125.20 0:0:0:0:0:ffff:cba0:7d14
203.160.125.21 0:0:0:0:0:ffff:cba0:7d15
203.160.125.22 0:0:0:0:0:ffff:cba0:7d16
203.160.125.23 0:0:0:0:0:ffff:cba0:7d17
203.160.125.24 0:0:0:0:0:ffff:cba0:7d18
203.160.125.25 0:0:0:0:0:ffff:cba0:7d19
203.160.125.26 0:0:0:0:0:ffff:cba0:7d1a
203.160.125.27 0:0:0:0:0:ffff:cba0:7d1b
203.160.125.28 0:0:0:0:0:ffff:cba0:7d1c
203.160.125.29 0:0:0:0:0:ffff:cba0:7d1d
203.160.125.30 0:0:0:0:0:ffff:cba0:7d1e
203.160.125.31 0:0:0:0:0:ffff:cba0:7d1f
203.160.125.32 0:0:0:0:0:ffff:cba0:7d20
203.160.125.33 0:0:0:0:0:ffff:cba0:7d21
203.160.125.34 0:0:0:0:0:ffff:cba0:7d22
203.160.125.35 0:0:0:0:0:ffff:cba0:7d23
203.160.125.36 0:0:0:0:0:ffff:cba0:7d24
203.160.125.37 0:0:0:0:0:ffff:cba0:7d25
203.160.125.38 0:0:0:0:0:ffff:cba0:7d26
203.160.125.39 0:0:0:0:0:ffff:cba0:7d27
203.160.125.40 0:0:0:0:0:ffff:cba0:7d28
203.160.125.41 0:0:0:0:0:ffff:cba0:7d29
203.160.125.42 0:0:0:0:0:ffff:cba0:7d2a
203.160.125.43 0:0:0:0:0:ffff:cba0:7d2b
203.160.125.44 0:0:0:0:0:ffff:cba0:7d2c
203.160.125.45 0:0:0:0:0:ffff:cba0:7d2d
203.160.125.46 0:0:0:0:0:ffff:cba0:7d2e
203.160.125.47 0:0:0:0:0:ffff:cba0:7d2f
203.160.125.48 0:0:0:0:0:ffff:cba0:7d30
203.160.125.49 0:0:0:0:0:ffff:cba0:7d31
203.160.125.50 0:0:0:0:0:ffff:cba0:7d32
203.160.125.51 0:0:0:0:0:ffff:cba0:7d33
203.160.125.52 0:0:0:0:0:ffff:cba0:7d34
203.160.125.53 0:0:0:0:0:ffff:cba0:7d35
203.160.125.54 0:0:0:0:0:ffff:cba0:7d36
203.160.125.55 0:0:0:0:0:ffff:cba0:7d37
203.160.125.56 0:0:0:0:0:ffff:cba0:7d38
203.160.125.57 0:0:0:0:0:ffff:cba0:7d39
203.160.125.58 0:0:0:0:0:ffff:cba0:7d3a
203.160.125.59 0:0:0:0:0:ffff:cba0:7d3b
203.160.125.60 0:0:0:0:0:ffff:cba0:7d3c


203.160.125.61 0:0:0:0:0:ffff:cba0:7d3d
203.160.125.62 0:0:0:0:0:ffff:cba0:7d3e
203.160.125.63 0:0:0:0:0:ffff:cba0:7d3f
203.160.125.64 0:0:0:0:0:ffff:cba0:7d40
203.160.125.65 0:0:0:0:0:ffff:cba0:7d41
203.160.125.66 0:0:0:0:0:ffff:cba0:7d42
203.160.125.67 0:0:0:0:0:ffff:cba0:7d43
203.160.125.68 0:0:0:0:0:ffff:cba0:7d44
203.160.125.69 0:0:0:0:0:ffff:cba0:7d45
203.160.125.70 0:0:0:0:0:ffff:cba0:7d46
203.160.125.71 0:0:0:0:0:ffff:cba0:7d47
203.160.125.72 0:0:0:0:0:ffff:cba0:7d48
203.160.125.73 0:0:0:0:0:ffff:cba0:7d49
203.160.125.74 0:0:0:0:0:ffff:cba0:7d4a
203.160.125.75 0:0:0:0:0:ffff:cba0:7d4b
203.160.125.76 0:0:0:0:0:ffff:cba0:7d4c
203.160.125.77 0:0:0:0:0:ffff:cba0:7d4d
203.160.125.78 0:0:0:0:0:ffff:cba0:7d4e
203.160.125.79 0:0:0:0:0:ffff:cba0:7d4f
203.160.125.80 0:0:0:0:0:ffff:cba0:7d50
203.160.125.81 0:0:0:0:0:ffff:cba0:7d51
203.160.125.82 0:0:0:0:0:ffff:cba0:7d52
203.160.125.83 0:0:0:0:0:ffff:cba0:7d53
203.160.125.84 0:0:0:0:0:ffff:cba0:7d54
203.160.125.85 0:0:0:0:0:ffff:cba0:7d55
203.160.125.86 0:0:0:0:0:ffff:cba0:7d56
203.160.125.87 0:0:0:0:0:ffff:cba0:7d57
203.160.125.88 0:0:0:0:0:ffff:cba0:7d58
203.160.125.89 0:0:0:0:0:ffff:cba0:7d59
203.160.125.90 0:0:0:0:0:ffff:cba0:7d5a
203.160.125.91 0:0:0:0:0:ffff:cba0:7d5b
203.160.125.92 0:0:0:0:0:ffff:cba0:7d5c
203.160.125.93 0:0:0:0:0:ffff:cba0:7d5d
203.160.125.94 0:0:0:0:0:ffff:cba0:7d5e
203.160.125.95 0:0:0:0:0:ffff:cba0:7d5f
203.160.125.96 0:0:0:0:0:ffff:cba0:7d60
203.160.125.97 0:0:0:0:0:ffff:cba0:7d61
203.160.125.98 0:0:0:0:0:ffff:cba0:7d62
203.160.125.99 0:0:0:0:0:ffff:cba0:7d63
203.160.125.100 0:0:0:0:0:ffff:cba0:7d64
203.160.125.101 0:0:0:0:0:ffff:cba0:7d65
203.160.125.102 0:0:0:0:0:ffff:cba0:7d66
203.160.125.103 0:0:0:0:0:ffff:cba0:7d67
203.160.125.104 0:0:0:0:0:ffff:cba0:7d68
203.160.125.105 0:0:0:0:0:ffff:cba0:7d69
203.160.125.106 0:0:0:0:0:ffff:cba0:7d6a
203.160.125.107 0:0:0:0:0:ffff:cba0:7d6b
203.160.125.108 0:0:0:0:0:ffff:cba0:7d6c
203.160.125.109 0:0:0:0:0:ffff:cba0:7d6d
203.160.125.110 0:0:0:0:0:ffff:cba0:7d6e
203.160.125.111 0:0:0:0:0:ffff:cba0:7d6f
203.160.125.112 0:0:0:0:0:ffff:cba0:7d70
203.160.125.113 0:0:0:0:0:ffff:cba0:7d71
203.160.125.114 0:0:0:0:0:ffff:cba0:7d72
203.160.125.115 0:0:0:0:0:ffff:cba0:7d73
203.160.125.116 0:0:0:0:0:ffff:cba0:7d74
203.160.125.117 0:0:0:0:0:ffff:cba0:7d75
203.160.125.118 0:0:0:0:0:ffff:cba0:7d76
203.160.125.119 0:0:0:0:0:ffff:cba0:7d77
203.160.125.120 0:0:0:0:0:ffff:cba0:7d78


203.160.125.121 0:0:0:0:0:ffff:cba0:7d79
203.160.125.122 0:0:0:0:0:ffff:cba0:7d7a
203.160.125.123 0:0:0:0:0:ffff:cba0:7d7b
203.160.125.124 0:0:0:0:0:ffff:cba0:7d7c
203.160.125.125 0:0:0:0:0:ffff:cba0:7d7d
203.160.125.126 0:0:0:0:0:ffff:cba0:7d7e
203.160.125.127 0:0:0:0:0:ffff:cba0:7d7f
203.160.125.128 0:0:0:0:0:ffff:cba0:7d80
203.160.125.129 0:0:0:0:0:ffff:cba0:7d81
203.160.125.130 0:0:0:0:0:ffff:cba0:7d82
203.160.125.131 0:0:0:0:0:ffff:cba0:7d83
203.160.125.132 0:0:0:0:0:ffff:cba0:7d84
203.160.125.133 0:0:0:0:0:ffff:cba0:7d85
203.160.125.134 0:0:0:0:0:ffff:cba0:7d86
203.160.125.135 0:0:0:0:0:ffff:cba0:7d87
203.160.125.136 0:0:0:0:0:ffff:cba0:7d88
203.160.125.137 0:0:0:0:0:ffff:cba0:7d89
203.160.125.138 0:0:0:0:0:ffff:cba0:7d8a
203.160.125.139 0:0:0:0:0:ffff:cba0:7d8b
203.160.125.140 0:0:0:0:0:ffff:cba0:7d8c
203.160.125.141 0:0:0:0:0:ffff:cba0:7d8d
203.160.125.142 0:0:0:0:0:ffff:cba0:7d8e
203.160.125.143 0:0:0:0:0:ffff:cba0:7d8f
203.160.125.144 0:0:0:0:0:ffff:cba0:7d90
203.160.125.145 0:0:0:0:0:ffff:cba0:7d91
203.160.125.146 0:0:0:0:0:ffff:cba0:7d92
203.160.125.147 0:0:0:0:0:ffff:cba0:7d93
203.160.125.148 0:0:0:0:0:ffff:cba0:7d94
203.160.125.149 0:0:0:0:0:ffff:cba0:7d95
203.160.125.150 0:0:0:0:0:ffff:cba0:7d96
203.160.125.151 0:0:0:0:0:ffff:cba0:7d97
203.160.125.152 0:0:0:0:0:ffff:cba0:7d98
203.160.125.153 0:0:0:0:0:ffff:cba0:7d99
203.160.125.154 0:0:0:0:0:ffff:cba0:7d9a
203.160.125.155 0:0:0:0:0:ffff:cba0:7d9b
203.160.125.156 0:0:0:0:0:ffff:cba0:7d9c
203.160.125.157 0:0:0:0:0:ffff:cba0:7d9d
203.160.125.158 0:0:0:0:0:ffff:cba0:7d9e
203.160.125.159 0:0:0:0:0:ffff:cba0:7d9f
203.160.125.160 0:0:0:0:0:ffff:cba0:7da0
203.160.125.161 0:0:0:0:0:ffff:cba0:7da1
203.160.125.162 0:0:0:0:0:ffff:cba0:7da2
203.160.125.163 0:0:0:0:0:ffff:cba0:7da3
203.160.125.164 0:0:0:0:0:ffff:cba0:7da4
203.160.125.165 0:0:0:0:0:ffff:cba0:7da5
203.160.125.166 0:0:0:0:0:ffff:cba0:7da6
203.160.125.167 0:0:0:0:0:ffff:cba0:7da7
203.160.125.168 0:0:0:0:0:ffff:cba0:7da8
203.160.125.169 0:0:0:0:0:ffff:cba0:7da9
203.160.125.170 0:0:0:0:0:ffff:cba0:7daa
203.160.125.171 0:0:0:0:0:ffff:cba0:7dab
203.160.125.172 0:0:0:0:0:ffff:cba0:7dac
203.160.125.173 0:0:0:0:0:ffff:cba0:7dad
203.160.125.174 0:0:0:0:0:ffff:cba0:7dae
203.160.125.175 0:0:0:0:0:ffff:cba0:7daf
203.160.125.176 0:0:0:0:0:ffff:cba0:7db0
203.160.125.177 0:0:0:0:0:ffff:cba0:7db1
203.160.125.178 0:0:0:0:0:ffff:cba0:7db2
203.160.125.179 0:0:0:0:0:ffff:cba0:7db3
203.160.125.180 0:0:0:0:0:ffff:cba0:7db4


203.160.125.181 0:0:0:0:0:ffff:cba0:7db5
203.160.125.182 0:0:0:0:0:ffff:cba0:7db6
203.160.125.183 0:0:0:0:0:ffff:cba0:7db7
203.160.125.184 0:0:0:0:0:ffff:cba0:7db8
203.160.125.185 0:0:0:0:0:ffff:cba0:7db9
203.160.125.186 0:0:0:0:0:ffff:cba0:7dba
203.160.125.187 0:0:0:0:0:ffff:cba0:7dbb
203.160.125.188 0:0:0:0:0:ffff:cba0:7dbc
203.160.125.189 0:0:0:0:0:ffff:cba0:7dbd
203.160.125.190 0:0:0:0:0:ffff:cba0:7dbe
203.160.125.191 0:0:0:0:0:ffff:cba0:7dbf
203.160.125.192 0:0:0:0:0:ffff:cba0:7dc0
203.160.125.193 0:0:0:0:0:ffff:cba0:7dc1
203.160.125.194 0:0:0:0:0:ffff:cba0:7dc2
203.160.125.195 0:0:0:0:0:ffff:cba0:7dc3
203.160.125.196 0:0:0:0:0:ffff:cba0:7dc4
203.160.125.197 0:0:0:0:0:ffff:cba0:7dc5
203.160.125.198 0:0:0:0:0:ffff:cba0:7dc6
203.160.125.199 0:0:0:0:0:ffff:cba0:7dc7
203.160.125.200 0:0:0:0:0:ffff:cba0:7dc8
203.160.125.201 0:0:0:0:0:ffff:cba0:7dc9
203.160.125.202 0:0:0:0:0:ffff:cba0:7dca
203.160.125.203 0:0:0:0:0:ffff:cba0:7dcb
203.160.125.204 0:0:0:0:0:ffff:cba0:7dcc
203.160.125.205 0:0:0:0:0:ffff:cba0:7dcd
203.160.125.206 0:0:0:0:0:ffff:cba0:7dce
203.160.125.207 0:0:0:0:0:ffff:cba0:7dcf
203.160.125.208 0:0:0:0:0:ffff:cba0:7dd0
203.160.125.209 0:0:0:0:0:ffff:cba0:7dd1
203.160.125.210 0:0:0:0:0:ffff:cba0:7dd2
203.160.125.211 0:0:0:0:0:ffff:cba0:7dd3
203.160.125.212 0:0:0:0:0:ffff:cba0:7dd4
203.160.125.213 0:0:0:0:0:ffff:cba0:7dd5
203.160.125.214 0:0:0:0:0:ffff:cba0:7dd6
203.160.125.215 0:0:0:0:0:ffff:cba0:7dd7
203.160.125.216 0:0:0:0:0:ffff:cba0:7dd8
203.160.125.217 0:0:0:0:0:ffff:cba0:7dd9
203.160.125.218 0:0:0:0:0:ffff:cba0:7dda
203.160.125.219 0:0:0:0:0:ffff:cba0:7ddb
203.160.125.220 0:0:0:0:0:ffff:cba0:7ddc
203.160.125.221 0:0:0:0:0:ffff:cba0:7ddd
203.160.125.222 0:0:0:0:0:ffff:cba0:7dde
203.160.125.223 0:0:0:0:0:ffff:cba0:7ddf
203.160.125.224 0:0:0:0:0:ffff:cba0:7de0
203.160.125.225 0:0:0:0:0:ffff:cba0:7de1
203.160.125.226 0:0:0:0:0:ffff:cba0:7de2
203.160.125.227 0:0:0:0:0:ffff:cba0:7de3
203.160.125.228 0:0:0:0:0:ffff:cba0:7de4
203.160.125.229 0:0:0:0:0:ffff:cba0:7de5
203.160.125.230 0:0:0:0:0:ffff:cba0:7de6
203.160.125.231 0:0:0:0:0:ffff:cba0:7de7
203.160.125.232 0:0:0:0:0:ffff:cba0:7de8
203.160.125.233 0:0:0:0:0:ffff:cba0:7de9
203.160.125.234 0:0:0:0:0:ffff:cba0:7dea
203.160.125.235 0:0:0:0:0:ffff:cba0:7deb
203.160.125.236 0:0:0:0:0:ffff:cba0:7dec
203.160.125.237 0:0:0:0:0:ffff:cba0:7ded
203.160.125.238 0:0:0:0:0:ffff:cba0:7dee
203.160.125.239 0:0:0:0:0:ffff:cba0:7def
203.160.125.240 0:0:0:0:0:ffff:cba0:7df0
203.160.125.241 0:0:0:0:0:ffff:cba0:7df1
203.160.125.242 0:0:0:0:0:ffff:cba0:7df2
203.160.125.243 0:0:0:0:0:ffff:cba0:7df3
203.160.125.244 0:0:0:0:0:ffff:cba0:7df4
203.160.125.245 0:0:0:0:0:ffff:cba0:7df5
203.160.125.246 0:0:0:0:0:ffff:cba0:7df6
203.160.125.247 0:0:0:0:0:ffff:cba0:7df7
203.160.125.248 0:0:0:0:0:ffff:cba0:7df8
203.160.125.249 0:0:0:0:0:ffff:cba0:7df9
203.160.125.250 0:0:0:0:0:ffff:cba0:7dfa
203.160.125.251 0:0:0:0:0:ffff:cba0:7dfb
203.160.125.252 0:0:0:0:0:ffff:cba0:7dfc
203.160.125.253 0:0:0:0:0:ffff:cba0:7dfd
203.160.125.254 0:0:0:0:0:ffff:cba0:7dfe
203.160.125.255 0:0:0:0:0:ffff:cba0:7dff


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.