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
143.243.31.1 0:0:0:0:0:ffff:8ff3:1f01
143.243.31.2 0:0:0:0:0:ffff:8ff3:1f02
143.243.31.3 0:0:0:0:0:ffff:8ff3:1f03
143.243.31.4 0:0:0:0:0:ffff:8ff3:1f04
143.243.31.5 0:0:0:0:0:ffff:8ff3:1f05
143.243.31.6 0:0:0:0:0:ffff:8ff3:1f06
143.243.31.7 0:0:0:0:0:ffff:8ff3:1f07
143.243.31.8 0:0:0:0:0:ffff:8ff3:1f08
143.243.31.9 0:0:0:0:0:ffff:8ff3:1f09
143.243.31.10 0:0:0:0:0:ffff:8ff3:1f0a
143.243.31.11 0:0:0:0:0:ffff:8ff3:1f0b
143.243.31.12 0:0:0:0:0:ffff:8ff3:1f0c
143.243.31.13 0:0:0:0:0:ffff:8ff3:1f0d
143.243.31.14 0:0:0:0:0:ffff:8ff3:1f0e
143.243.31.15 0:0:0:0:0:ffff:8ff3:1f0f
143.243.31.16 0:0:0:0:0:ffff:8ff3:1f10
143.243.31.17 0:0:0:0:0:ffff:8ff3:1f11
143.243.31.18 0:0:0:0:0:ffff:8ff3:1f12
143.243.31.19 0:0:0:0:0:ffff:8ff3:1f13
143.243.31.20 0:0:0:0:0:ffff:8ff3:1f14
143.243.31.21 0:0:0:0:0:ffff:8ff3:1f15
143.243.31.22 0:0:0:0:0:ffff:8ff3:1f16
143.243.31.23 0:0:0:0:0:ffff:8ff3:1f17
143.243.31.24 0:0:0:0:0:ffff:8ff3:1f18
143.243.31.25 0:0:0:0:0:ffff:8ff3:1f19
143.243.31.26 0:0:0:0:0:ffff:8ff3:1f1a
143.243.31.27 0:0:0:0:0:ffff:8ff3:1f1b
143.243.31.28 0:0:0:0:0:ffff:8ff3:1f1c
143.243.31.29 0:0:0:0:0:ffff:8ff3:1f1d
143.243.31.30 0:0:0:0:0:ffff:8ff3:1f1e
143.243.31.31 0:0:0:0:0:ffff:8ff3:1f1f
143.243.31.32 0:0:0:0:0:ffff:8ff3:1f20
143.243.31.33 0:0:0:0:0:ffff:8ff3:1f21
143.243.31.34 0:0:0:0:0:ffff:8ff3:1f22
143.243.31.35 0:0:0:0:0:ffff:8ff3:1f23
143.243.31.36 0:0:0:0:0:ffff:8ff3:1f24
143.243.31.37 0:0:0:0:0:ffff:8ff3:1f25
143.243.31.38 0:0:0:0:0:ffff:8ff3:1f26
143.243.31.39 0:0:0:0:0:ffff:8ff3:1f27
143.243.31.40 0:0:0:0:0:ffff:8ff3:1f28
143.243.31.41 0:0:0:0:0:ffff:8ff3:1f29
143.243.31.42 0:0:0:0:0:ffff:8ff3:1f2a
143.243.31.43 0:0:0:0:0:ffff:8ff3:1f2b
143.243.31.44 0:0:0:0:0:ffff:8ff3:1f2c
143.243.31.45 0:0:0:0:0:ffff:8ff3:1f2d
143.243.31.46 0:0:0:0:0:ffff:8ff3:1f2e
143.243.31.47 0:0:0:0:0:ffff:8ff3:1f2f
143.243.31.48 0:0:0:0:0:ffff:8ff3:1f30
143.243.31.49 0:0:0:0:0:ffff:8ff3:1f31
143.243.31.50 0:0:0:0:0:ffff:8ff3:1f32
143.243.31.51 0:0:0:0:0:ffff:8ff3:1f33
143.243.31.52 0:0:0:0:0:ffff:8ff3:1f34
143.243.31.53 0:0:0:0:0:ffff:8ff3:1f35
143.243.31.54 0:0:0:0:0:ffff:8ff3:1f36
143.243.31.55 0:0:0:0:0:ffff:8ff3:1f37
143.243.31.56 0:0:0:0:0:ffff:8ff3:1f38
143.243.31.57 0:0:0:0:0:ffff:8ff3:1f39
143.243.31.58 0:0:0:0:0:ffff:8ff3:1f3a
143.243.31.59 0:0:0:0:0:ffff:8ff3:1f3b
143.243.31.60 0:0:0:0:0:ffff:8ff3:1f3c


143.243.31.61 0:0:0:0:0:ffff:8ff3:1f3d
143.243.31.62 0:0:0:0:0:ffff:8ff3:1f3e
143.243.31.63 0:0:0:0:0:ffff:8ff3:1f3f
143.243.31.64 0:0:0:0:0:ffff:8ff3:1f40
143.243.31.65 0:0:0:0:0:ffff:8ff3:1f41
143.243.31.66 0:0:0:0:0:ffff:8ff3:1f42
143.243.31.67 0:0:0:0:0:ffff:8ff3:1f43
143.243.31.68 0:0:0:0:0:ffff:8ff3:1f44
143.243.31.69 0:0:0:0:0:ffff:8ff3:1f45
143.243.31.70 0:0:0:0:0:ffff:8ff3:1f46
143.243.31.71 0:0:0:0:0:ffff:8ff3:1f47
143.243.31.72 0:0:0:0:0:ffff:8ff3:1f48
143.243.31.73 0:0:0:0:0:ffff:8ff3:1f49
143.243.31.74 0:0:0:0:0:ffff:8ff3:1f4a
143.243.31.75 0:0:0:0:0:ffff:8ff3:1f4b
143.243.31.76 0:0:0:0:0:ffff:8ff3:1f4c
143.243.31.77 0:0:0:0:0:ffff:8ff3:1f4d
143.243.31.78 0:0:0:0:0:ffff:8ff3:1f4e
143.243.31.79 0:0:0:0:0:ffff:8ff3:1f4f
143.243.31.80 0:0:0:0:0:ffff:8ff3:1f50
143.243.31.81 0:0:0:0:0:ffff:8ff3:1f51
143.243.31.82 0:0:0:0:0:ffff:8ff3:1f52
143.243.31.83 0:0:0:0:0:ffff:8ff3:1f53
143.243.31.84 0:0:0:0:0:ffff:8ff3:1f54
143.243.31.85 0:0:0:0:0:ffff:8ff3:1f55
143.243.31.86 0:0:0:0:0:ffff:8ff3:1f56
143.243.31.87 0:0:0:0:0:ffff:8ff3:1f57
143.243.31.88 0:0:0:0:0:ffff:8ff3:1f58
143.243.31.89 0:0:0:0:0:ffff:8ff3:1f59
143.243.31.90 0:0:0:0:0:ffff:8ff3:1f5a
143.243.31.91 0:0:0:0:0:ffff:8ff3:1f5b
143.243.31.92 0:0:0:0:0:ffff:8ff3:1f5c
143.243.31.93 0:0:0:0:0:ffff:8ff3:1f5d
143.243.31.94 0:0:0:0:0:ffff:8ff3:1f5e
143.243.31.95 0:0:0:0:0:ffff:8ff3:1f5f
143.243.31.96 0:0:0:0:0:ffff:8ff3:1f60
143.243.31.97 0:0:0:0:0:ffff:8ff3:1f61
143.243.31.98 0:0:0:0:0:ffff:8ff3:1f62
143.243.31.99 0:0:0:0:0:ffff:8ff3:1f63
143.243.31.100 0:0:0:0:0:ffff:8ff3:1f64
143.243.31.101 0:0:0:0:0:ffff:8ff3:1f65
143.243.31.102 0:0:0:0:0:ffff:8ff3:1f66
143.243.31.103 0:0:0:0:0:ffff:8ff3:1f67
143.243.31.104 0:0:0:0:0:ffff:8ff3:1f68
143.243.31.105 0:0:0:0:0:ffff:8ff3:1f69
143.243.31.106 0:0:0:0:0:ffff:8ff3:1f6a
143.243.31.107 0:0:0:0:0:ffff:8ff3:1f6b
143.243.31.108 0:0:0:0:0:ffff:8ff3:1f6c
143.243.31.109 0:0:0:0:0:ffff:8ff3:1f6d
143.243.31.110 0:0:0:0:0:ffff:8ff3:1f6e
143.243.31.111 0:0:0:0:0:ffff:8ff3:1f6f
143.243.31.112 0:0:0:0:0:ffff:8ff3:1f70
143.243.31.113 0:0:0:0:0:ffff:8ff3:1f71
143.243.31.114 0:0:0:0:0:ffff:8ff3:1f72
143.243.31.115 0:0:0:0:0:ffff:8ff3:1f73
143.243.31.116 0:0:0:0:0:ffff:8ff3:1f74
143.243.31.117 0:0:0:0:0:ffff:8ff3:1f75
143.243.31.118 0:0:0:0:0:ffff:8ff3:1f76
143.243.31.119 0:0:0:0:0:ffff:8ff3:1f77
143.243.31.120 0:0:0:0:0:ffff:8ff3:1f78


143.243.31.121 0:0:0:0:0:ffff:8ff3:1f79
143.243.31.122 0:0:0:0:0:ffff:8ff3:1f7a
143.243.31.123 0:0:0:0:0:ffff:8ff3:1f7b
143.243.31.124 0:0:0:0:0:ffff:8ff3:1f7c
143.243.31.125 0:0:0:0:0:ffff:8ff3:1f7d
143.243.31.126 0:0:0:0:0:ffff:8ff3:1f7e
143.243.31.127 0:0:0:0:0:ffff:8ff3:1f7f
143.243.31.128 0:0:0:0:0:ffff:8ff3:1f80
143.243.31.129 0:0:0:0:0:ffff:8ff3:1f81
143.243.31.130 0:0:0:0:0:ffff:8ff3:1f82
143.243.31.131 0:0:0:0:0:ffff:8ff3:1f83
143.243.31.132 0:0:0:0:0:ffff:8ff3:1f84
143.243.31.133 0:0:0:0:0:ffff:8ff3:1f85
143.243.31.134 0:0:0:0:0:ffff:8ff3:1f86
143.243.31.135 0:0:0:0:0:ffff:8ff3:1f87
143.243.31.136 0:0:0:0:0:ffff:8ff3:1f88
143.243.31.137 0:0:0:0:0:ffff:8ff3:1f89
143.243.31.138 0:0:0:0:0:ffff:8ff3:1f8a
143.243.31.139 0:0:0:0:0:ffff:8ff3:1f8b
143.243.31.140 0:0:0:0:0:ffff:8ff3:1f8c
143.243.31.141 0:0:0:0:0:ffff:8ff3:1f8d
143.243.31.142 0:0:0:0:0:ffff:8ff3:1f8e
143.243.31.143 0:0:0:0:0:ffff:8ff3:1f8f
143.243.31.144 0:0:0:0:0:ffff:8ff3:1f90
143.243.31.145 0:0:0:0:0:ffff:8ff3:1f91
143.243.31.146 0:0:0:0:0:ffff:8ff3:1f92
143.243.31.147 0:0:0:0:0:ffff:8ff3:1f93
143.243.31.148 0:0:0:0:0:ffff:8ff3:1f94
143.243.31.149 0:0:0:0:0:ffff:8ff3:1f95
143.243.31.150 0:0:0:0:0:ffff:8ff3:1f96
143.243.31.151 0:0:0:0:0:ffff:8ff3:1f97
143.243.31.152 0:0:0:0:0:ffff:8ff3:1f98
143.243.31.153 0:0:0:0:0:ffff:8ff3:1f99
143.243.31.154 0:0:0:0:0:ffff:8ff3:1f9a
143.243.31.155 0:0:0:0:0:ffff:8ff3:1f9b
143.243.31.156 0:0:0:0:0:ffff:8ff3:1f9c
143.243.31.157 0:0:0:0:0:ffff:8ff3:1f9d
143.243.31.158 0:0:0:0:0:ffff:8ff3:1f9e
143.243.31.159 0:0:0:0:0:ffff:8ff3:1f9f
143.243.31.160 0:0:0:0:0:ffff:8ff3:1fa0
143.243.31.161 0:0:0:0:0:ffff:8ff3:1fa1
143.243.31.162 0:0:0:0:0:ffff:8ff3:1fa2
143.243.31.163 0:0:0:0:0:ffff:8ff3:1fa3
143.243.31.164 0:0:0:0:0:ffff:8ff3:1fa4
143.243.31.165 0:0:0:0:0:ffff:8ff3:1fa5
143.243.31.166 0:0:0:0:0:ffff:8ff3:1fa6
143.243.31.167 0:0:0:0:0:ffff:8ff3:1fa7
143.243.31.168 0:0:0:0:0:ffff:8ff3:1fa8
143.243.31.169 0:0:0:0:0:ffff:8ff3:1fa9
143.243.31.170 0:0:0:0:0:ffff:8ff3:1faa
143.243.31.171 0:0:0:0:0:ffff:8ff3:1fab
143.243.31.172 0:0:0:0:0:ffff:8ff3:1fac
143.243.31.173 0:0:0:0:0:ffff:8ff3:1fad
143.243.31.174 0:0:0:0:0:ffff:8ff3:1fae
143.243.31.175 0:0:0:0:0:ffff:8ff3:1faf
143.243.31.176 0:0:0:0:0:ffff:8ff3:1fb0
143.243.31.177 0:0:0:0:0:ffff:8ff3:1fb1
143.243.31.178 0:0:0:0:0:ffff:8ff3:1fb2
143.243.31.179 0:0:0:0:0:ffff:8ff3:1fb3
143.243.31.180 0:0:0:0:0:ffff:8ff3:1fb4


143.243.31.181 0:0:0:0:0:ffff:8ff3:1fb5
143.243.31.182 0:0:0:0:0:ffff:8ff3:1fb6
143.243.31.183 0:0:0:0:0:ffff:8ff3:1fb7
143.243.31.184 0:0:0:0:0:ffff:8ff3:1fb8
143.243.31.185 0:0:0:0:0:ffff:8ff3:1fb9
143.243.31.186 0:0:0:0:0:ffff:8ff3:1fba
143.243.31.187 0:0:0:0:0:ffff:8ff3:1fbb
143.243.31.188 0:0:0:0:0:ffff:8ff3:1fbc
143.243.31.189 0:0:0:0:0:ffff:8ff3:1fbd
143.243.31.190 0:0:0:0:0:ffff:8ff3:1fbe
143.243.31.191 0:0:0:0:0:ffff:8ff3:1fbf
143.243.31.192 0:0:0:0:0:ffff:8ff3:1fc0
143.243.31.193 0:0:0:0:0:ffff:8ff3:1fc1
143.243.31.194 0:0:0:0:0:ffff:8ff3:1fc2
143.243.31.195 0:0:0:0:0:ffff:8ff3:1fc3
143.243.31.196 0:0:0:0:0:ffff:8ff3:1fc4
143.243.31.197 0:0:0:0:0:ffff:8ff3:1fc5
143.243.31.198 0:0:0:0:0:ffff:8ff3:1fc6
143.243.31.199 0:0:0:0:0:ffff:8ff3:1fc7
143.243.31.200 0:0:0:0:0:ffff:8ff3:1fc8
143.243.31.201 0:0:0:0:0:ffff:8ff3:1fc9
143.243.31.202 0:0:0:0:0:ffff:8ff3:1fca
143.243.31.203 0:0:0:0:0:ffff:8ff3:1fcb
143.243.31.204 0:0:0:0:0:ffff:8ff3:1fcc
143.243.31.205 0:0:0:0:0:ffff:8ff3:1fcd
143.243.31.206 0:0:0:0:0:ffff:8ff3:1fce
143.243.31.207 0:0:0:0:0:ffff:8ff3:1fcf
143.243.31.208 0:0:0:0:0:ffff:8ff3:1fd0
143.243.31.209 0:0:0:0:0:ffff:8ff3:1fd1
143.243.31.210 0:0:0:0:0:ffff:8ff3:1fd2
143.243.31.211 0:0:0:0:0:ffff:8ff3:1fd3
143.243.31.212 0:0:0:0:0:ffff:8ff3:1fd4
143.243.31.213 0:0:0:0:0:ffff:8ff3:1fd5
143.243.31.214 0:0:0:0:0:ffff:8ff3:1fd6
143.243.31.215 0:0:0:0:0:ffff:8ff3:1fd7
143.243.31.216 0:0:0:0:0:ffff:8ff3:1fd8
143.243.31.217 0:0:0:0:0:ffff:8ff3:1fd9
143.243.31.218 0:0:0:0:0:ffff:8ff3:1fda
143.243.31.219 0:0:0:0:0:ffff:8ff3:1fdb
143.243.31.220 0:0:0:0:0:ffff:8ff3:1fdc
143.243.31.221 0:0:0:0:0:ffff:8ff3:1fdd
143.243.31.222 0:0:0:0:0:ffff:8ff3:1fde
143.243.31.223 0:0:0:0:0:ffff:8ff3:1fdf
143.243.31.224 0:0:0:0:0:ffff:8ff3:1fe0
143.243.31.225 0:0:0:0:0:ffff:8ff3:1fe1
143.243.31.226 0:0:0:0:0:ffff:8ff3:1fe2
143.243.31.227 0:0:0:0:0:ffff:8ff3:1fe3
143.243.31.228 0:0:0:0:0:ffff:8ff3:1fe4
143.243.31.229 0:0:0:0:0:ffff:8ff3:1fe5
143.243.31.230 0:0:0:0:0:ffff:8ff3:1fe6
143.243.31.231 0:0:0:0:0:ffff:8ff3:1fe7
143.243.31.232 0:0:0:0:0:ffff:8ff3:1fe8
143.243.31.233 0:0:0:0:0:ffff:8ff3:1fe9
143.243.31.234 0:0:0:0:0:ffff:8ff3:1fea
143.243.31.235 0:0:0:0:0:ffff:8ff3:1feb
143.243.31.236 0:0:0:0:0:ffff:8ff3:1fec
143.243.31.237 0:0:0:0:0:ffff:8ff3:1fed
143.243.31.238 0:0:0:0:0:ffff:8ff3:1fee
143.243.31.239 0:0:0:0:0:ffff:8ff3:1fef
143.243.31.240 0:0:0:0:0:ffff:8ff3:1ff0
143.243.31.241 0:0:0:0:0:ffff:8ff3:1ff1
143.243.31.242 0:0:0:0:0:ffff:8ff3:1ff2
143.243.31.243 0:0:0:0:0:ffff:8ff3:1ff3
143.243.31.244 0:0:0:0:0:ffff:8ff3:1ff4
143.243.31.245 0:0:0:0:0:ffff:8ff3:1ff5
143.243.31.246 0:0:0:0:0:ffff:8ff3:1ff6
143.243.31.247 0:0:0:0:0:ffff:8ff3:1ff7
143.243.31.248 0:0:0:0:0:ffff:8ff3:1ff8
143.243.31.249 0:0:0:0:0:ffff:8ff3:1ff9
143.243.31.250 0:0:0:0:0:ffff:8ff3:1ffa
143.243.31.251 0:0:0:0:0:ffff:8ff3:1ffb
143.243.31.252 0:0:0:0:0:ffff:8ff3:1ffc
143.243.31.253 0:0:0:0:0:ffff:8ff3:1ffd
143.243.31.254 0:0:0:0:0:ffff:8ff3:1ffe
143.243.31.255 0:0:0:0:0:ffff:8ff3:1fff


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.