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
66.143.31.1 0:0:0:0:0:ffff:428f:1f01
66.143.31.2 0:0:0:0:0:ffff:428f:1f02
66.143.31.3 0:0:0:0:0:ffff:428f:1f03
66.143.31.4 0:0:0:0:0:ffff:428f:1f04
66.143.31.5 0:0:0:0:0:ffff:428f:1f05
66.143.31.6 0:0:0:0:0:ffff:428f:1f06
66.143.31.7 0:0:0:0:0:ffff:428f:1f07
66.143.31.8 0:0:0:0:0:ffff:428f:1f08
66.143.31.9 0:0:0:0:0:ffff:428f:1f09
66.143.31.10 0:0:0:0:0:ffff:428f:1f0a
66.143.31.11 0:0:0:0:0:ffff:428f:1f0b
66.143.31.12 0:0:0:0:0:ffff:428f:1f0c
66.143.31.13 0:0:0:0:0:ffff:428f:1f0d
66.143.31.14 0:0:0:0:0:ffff:428f:1f0e
66.143.31.15 0:0:0:0:0:ffff:428f:1f0f
66.143.31.16 0:0:0:0:0:ffff:428f:1f10
66.143.31.17 0:0:0:0:0:ffff:428f:1f11
66.143.31.18 0:0:0:0:0:ffff:428f:1f12
66.143.31.19 0:0:0:0:0:ffff:428f:1f13
66.143.31.20 0:0:0:0:0:ffff:428f:1f14
66.143.31.21 0:0:0:0:0:ffff:428f:1f15
66.143.31.22 0:0:0:0:0:ffff:428f:1f16
66.143.31.23 0:0:0:0:0:ffff:428f:1f17
66.143.31.24 0:0:0:0:0:ffff:428f:1f18
66.143.31.25 0:0:0:0:0:ffff:428f:1f19
66.143.31.26 0:0:0:0:0:ffff:428f:1f1a
66.143.31.27 0:0:0:0:0:ffff:428f:1f1b
66.143.31.28 0:0:0:0:0:ffff:428f:1f1c
66.143.31.29 0:0:0:0:0:ffff:428f:1f1d
66.143.31.30 0:0:0:0:0:ffff:428f:1f1e
66.143.31.31 0:0:0:0:0:ffff:428f:1f1f
66.143.31.32 0:0:0:0:0:ffff:428f:1f20
66.143.31.33 0:0:0:0:0:ffff:428f:1f21
66.143.31.34 0:0:0:0:0:ffff:428f:1f22
66.143.31.35 0:0:0:0:0:ffff:428f:1f23
66.143.31.36 0:0:0:0:0:ffff:428f:1f24
66.143.31.37 0:0:0:0:0:ffff:428f:1f25
66.143.31.38 0:0:0:0:0:ffff:428f:1f26
66.143.31.39 0:0:0:0:0:ffff:428f:1f27
66.143.31.40 0:0:0:0:0:ffff:428f:1f28
66.143.31.41 0:0:0:0:0:ffff:428f:1f29
66.143.31.42 0:0:0:0:0:ffff:428f:1f2a
66.143.31.43 0:0:0:0:0:ffff:428f:1f2b
66.143.31.44 0:0:0:0:0:ffff:428f:1f2c
66.143.31.45 0:0:0:0:0:ffff:428f:1f2d
66.143.31.46 0:0:0:0:0:ffff:428f:1f2e
66.143.31.47 0:0:0:0:0:ffff:428f:1f2f
66.143.31.48 0:0:0:0:0:ffff:428f:1f30
66.143.31.49 0:0:0:0:0:ffff:428f:1f31
66.143.31.50 0:0:0:0:0:ffff:428f:1f32
66.143.31.51 0:0:0:0:0:ffff:428f:1f33
66.143.31.52 0:0:0:0:0:ffff:428f:1f34
66.143.31.53 0:0:0:0:0:ffff:428f:1f35
66.143.31.54 0:0:0:0:0:ffff:428f:1f36
66.143.31.55 0:0:0:0:0:ffff:428f:1f37
66.143.31.56 0:0:0:0:0:ffff:428f:1f38
66.143.31.57 0:0:0:0:0:ffff:428f:1f39
66.143.31.58 0:0:0:0:0:ffff:428f:1f3a
66.143.31.59 0:0:0:0:0:ffff:428f:1f3b
66.143.31.60 0:0:0:0:0:ffff:428f:1f3c


66.143.31.61 0:0:0:0:0:ffff:428f:1f3d
66.143.31.62 0:0:0:0:0:ffff:428f:1f3e
66.143.31.63 0:0:0:0:0:ffff:428f:1f3f
66.143.31.64 0:0:0:0:0:ffff:428f:1f40
66.143.31.65 0:0:0:0:0:ffff:428f:1f41
66.143.31.66 0:0:0:0:0:ffff:428f:1f42
66.143.31.67 0:0:0:0:0:ffff:428f:1f43
66.143.31.68 0:0:0:0:0:ffff:428f:1f44
66.143.31.69 0:0:0:0:0:ffff:428f:1f45
66.143.31.70 0:0:0:0:0:ffff:428f:1f46
66.143.31.71 0:0:0:0:0:ffff:428f:1f47
66.143.31.72 0:0:0:0:0:ffff:428f:1f48
66.143.31.73 0:0:0:0:0:ffff:428f:1f49
66.143.31.74 0:0:0:0:0:ffff:428f:1f4a
66.143.31.75 0:0:0:0:0:ffff:428f:1f4b
66.143.31.76 0:0:0:0:0:ffff:428f:1f4c
66.143.31.77 0:0:0:0:0:ffff:428f:1f4d
66.143.31.78 0:0:0:0:0:ffff:428f:1f4e
66.143.31.79 0:0:0:0:0:ffff:428f:1f4f
66.143.31.80 0:0:0:0:0:ffff:428f:1f50
66.143.31.81 0:0:0:0:0:ffff:428f:1f51
66.143.31.82 0:0:0:0:0:ffff:428f:1f52
66.143.31.83 0:0:0:0:0:ffff:428f:1f53
66.143.31.84 0:0:0:0:0:ffff:428f:1f54
66.143.31.85 0:0:0:0:0:ffff:428f:1f55
66.143.31.86 0:0:0:0:0:ffff:428f:1f56
66.143.31.87 0:0:0:0:0:ffff:428f:1f57
66.143.31.88 0:0:0:0:0:ffff:428f:1f58
66.143.31.89 0:0:0:0:0:ffff:428f:1f59
66.143.31.90 0:0:0:0:0:ffff:428f:1f5a
66.143.31.91 0:0:0:0:0:ffff:428f:1f5b
66.143.31.92 0:0:0:0:0:ffff:428f:1f5c
66.143.31.93 0:0:0:0:0:ffff:428f:1f5d
66.143.31.94 0:0:0:0:0:ffff:428f:1f5e
66.143.31.95 0:0:0:0:0:ffff:428f:1f5f
66.143.31.96 0:0:0:0:0:ffff:428f:1f60
66.143.31.97 0:0:0:0:0:ffff:428f:1f61
66.143.31.98 0:0:0:0:0:ffff:428f:1f62
66.143.31.99 0:0:0:0:0:ffff:428f:1f63
66.143.31.100 0:0:0:0:0:ffff:428f:1f64
66.143.31.101 0:0:0:0:0:ffff:428f:1f65
66.143.31.102 0:0:0:0:0:ffff:428f:1f66
66.143.31.103 0:0:0:0:0:ffff:428f:1f67
66.143.31.104 0:0:0:0:0:ffff:428f:1f68
66.143.31.105 0:0:0:0:0:ffff:428f:1f69
66.143.31.106 0:0:0:0:0:ffff:428f:1f6a
66.143.31.107 0:0:0:0:0:ffff:428f:1f6b
66.143.31.108 0:0:0:0:0:ffff:428f:1f6c
66.143.31.109 0:0:0:0:0:ffff:428f:1f6d
66.143.31.110 0:0:0:0:0:ffff:428f:1f6e
66.143.31.111 0:0:0:0:0:ffff:428f:1f6f
66.143.31.112 0:0:0:0:0:ffff:428f:1f70
66.143.31.113 0:0:0:0:0:ffff:428f:1f71
66.143.31.114 0:0:0:0:0:ffff:428f:1f72
66.143.31.115 0:0:0:0:0:ffff:428f:1f73
66.143.31.116 0:0:0:0:0:ffff:428f:1f74
66.143.31.117 0:0:0:0:0:ffff:428f:1f75
66.143.31.118 0:0:0:0:0:ffff:428f:1f76
66.143.31.119 0:0:0:0:0:ffff:428f:1f77
66.143.31.120 0:0:0:0:0:ffff:428f:1f78


66.143.31.121 0:0:0:0:0:ffff:428f:1f79
66.143.31.122 0:0:0:0:0:ffff:428f:1f7a
66.143.31.123 0:0:0:0:0:ffff:428f:1f7b
66.143.31.124 0:0:0:0:0:ffff:428f:1f7c
66.143.31.125 0:0:0:0:0:ffff:428f:1f7d
66.143.31.126 0:0:0:0:0:ffff:428f:1f7e
66.143.31.127 0:0:0:0:0:ffff:428f:1f7f
66.143.31.128 0:0:0:0:0:ffff:428f:1f80
66.143.31.129 0:0:0:0:0:ffff:428f:1f81
66.143.31.130 0:0:0:0:0:ffff:428f:1f82
66.143.31.131 0:0:0:0:0:ffff:428f:1f83
66.143.31.132 0:0:0:0:0:ffff:428f:1f84
66.143.31.133 0:0:0:0:0:ffff:428f:1f85
66.143.31.134 0:0:0:0:0:ffff:428f:1f86
66.143.31.135 0:0:0:0:0:ffff:428f:1f87
66.143.31.136 0:0:0:0:0:ffff:428f:1f88
66.143.31.137 0:0:0:0:0:ffff:428f:1f89
66.143.31.138 0:0:0:0:0:ffff:428f:1f8a
66.143.31.139 0:0:0:0:0:ffff:428f:1f8b
66.143.31.140 0:0:0:0:0:ffff:428f:1f8c
66.143.31.141 0:0:0:0:0:ffff:428f:1f8d
66.143.31.142 0:0:0:0:0:ffff:428f:1f8e
66.143.31.143 0:0:0:0:0:ffff:428f:1f8f
66.143.31.144 0:0:0:0:0:ffff:428f:1f90
66.143.31.145 0:0:0:0:0:ffff:428f:1f91
66.143.31.146 0:0:0:0:0:ffff:428f:1f92
66.143.31.147 0:0:0:0:0:ffff:428f:1f93
66.143.31.148 0:0:0:0:0:ffff:428f:1f94
66.143.31.149 0:0:0:0:0:ffff:428f:1f95
66.143.31.150 0:0:0:0:0:ffff:428f:1f96
66.143.31.151 0:0:0:0:0:ffff:428f:1f97
66.143.31.152 0:0:0:0:0:ffff:428f:1f98
66.143.31.153 0:0:0:0:0:ffff:428f:1f99
66.143.31.154 0:0:0:0:0:ffff:428f:1f9a
66.143.31.155 0:0:0:0:0:ffff:428f:1f9b
66.143.31.156 0:0:0:0:0:ffff:428f:1f9c
66.143.31.157 0:0:0:0:0:ffff:428f:1f9d
66.143.31.158 0:0:0:0:0:ffff:428f:1f9e
66.143.31.159 0:0:0:0:0:ffff:428f:1f9f
66.143.31.160 0:0:0:0:0:ffff:428f:1fa0
66.143.31.161 0:0:0:0:0:ffff:428f:1fa1
66.143.31.162 0:0:0:0:0:ffff:428f:1fa2
66.143.31.163 0:0:0:0:0:ffff:428f:1fa3
66.143.31.164 0:0:0:0:0:ffff:428f:1fa4
66.143.31.165 0:0:0:0:0:ffff:428f:1fa5
66.143.31.166 0:0:0:0:0:ffff:428f:1fa6
66.143.31.167 0:0:0:0:0:ffff:428f:1fa7
66.143.31.168 0:0:0:0:0:ffff:428f:1fa8
66.143.31.169 0:0:0:0:0:ffff:428f:1fa9
66.143.31.170 0:0:0:0:0:ffff:428f:1faa
66.143.31.171 0:0:0:0:0:ffff:428f:1fab
66.143.31.172 0:0:0:0:0:ffff:428f:1fac
66.143.31.173 0:0:0:0:0:ffff:428f:1fad
66.143.31.174 0:0:0:0:0:ffff:428f:1fae
66.143.31.175 0:0:0:0:0:ffff:428f:1faf
66.143.31.176 0:0:0:0:0:ffff:428f:1fb0
66.143.31.177 0:0:0:0:0:ffff:428f:1fb1
66.143.31.178 0:0:0:0:0:ffff:428f:1fb2
66.143.31.179 0:0:0:0:0:ffff:428f:1fb3
66.143.31.180 0:0:0:0:0:ffff:428f:1fb4


66.143.31.181 0:0:0:0:0:ffff:428f:1fb5
66.143.31.182 0:0:0:0:0:ffff:428f:1fb6
66.143.31.183 0:0:0:0:0:ffff:428f:1fb7
66.143.31.184 0:0:0:0:0:ffff:428f:1fb8
66.143.31.185 0:0:0:0:0:ffff:428f:1fb9
66.143.31.186 0:0:0:0:0:ffff:428f:1fba
66.143.31.187 0:0:0:0:0:ffff:428f:1fbb
66.143.31.188 0:0:0:0:0:ffff:428f:1fbc
66.143.31.189 0:0:0:0:0:ffff:428f:1fbd
66.143.31.190 0:0:0:0:0:ffff:428f:1fbe
66.143.31.191 0:0:0:0:0:ffff:428f:1fbf
66.143.31.192 0:0:0:0:0:ffff:428f:1fc0
66.143.31.193 0:0:0:0:0:ffff:428f:1fc1
66.143.31.194 0:0:0:0:0:ffff:428f:1fc2
66.143.31.195 0:0:0:0:0:ffff:428f:1fc3
66.143.31.196 0:0:0:0:0:ffff:428f:1fc4
66.143.31.197 0:0:0:0:0:ffff:428f:1fc5
66.143.31.198 0:0:0:0:0:ffff:428f:1fc6
66.143.31.199 0:0:0:0:0:ffff:428f:1fc7
66.143.31.200 0:0:0:0:0:ffff:428f:1fc8
66.143.31.201 0:0:0:0:0:ffff:428f:1fc9
66.143.31.202 0:0:0:0:0:ffff:428f:1fca
66.143.31.203 0:0:0:0:0:ffff:428f:1fcb
66.143.31.204 0:0:0:0:0:ffff:428f:1fcc
66.143.31.205 0:0:0:0:0:ffff:428f:1fcd
66.143.31.206 0:0:0:0:0:ffff:428f:1fce
66.143.31.207 0:0:0:0:0:ffff:428f:1fcf
66.143.31.208 0:0:0:0:0:ffff:428f:1fd0
66.143.31.209 0:0:0:0:0:ffff:428f:1fd1
66.143.31.210 0:0:0:0:0:ffff:428f:1fd2
66.143.31.211 0:0:0:0:0:ffff:428f:1fd3
66.143.31.212 0:0:0:0:0:ffff:428f:1fd4
66.143.31.213 0:0:0:0:0:ffff:428f:1fd5
66.143.31.214 0:0:0:0:0:ffff:428f:1fd6
66.143.31.215 0:0:0:0:0:ffff:428f:1fd7
66.143.31.216 0:0:0:0:0:ffff:428f:1fd8
66.143.31.217 0:0:0:0:0:ffff:428f:1fd9
66.143.31.218 0:0:0:0:0:ffff:428f:1fda
66.143.31.219 0:0:0:0:0:ffff:428f:1fdb
66.143.31.220 0:0:0:0:0:ffff:428f:1fdc
66.143.31.221 0:0:0:0:0:ffff:428f:1fdd
66.143.31.222 0:0:0:0:0:ffff:428f:1fde
66.143.31.223 0:0:0:0:0:ffff:428f:1fdf
66.143.31.224 0:0:0:0:0:ffff:428f:1fe0
66.143.31.225 0:0:0:0:0:ffff:428f:1fe1
66.143.31.226 0:0:0:0:0:ffff:428f:1fe2
66.143.31.227 0:0:0:0:0:ffff:428f:1fe3
66.143.31.228 0:0:0:0:0:ffff:428f:1fe4
66.143.31.229 0:0:0:0:0:ffff:428f:1fe5
66.143.31.230 0:0:0:0:0:ffff:428f:1fe6
66.143.31.231 0:0:0:0:0:ffff:428f:1fe7
66.143.31.232 0:0:0:0:0:ffff:428f:1fe8
66.143.31.233 0:0:0:0:0:ffff:428f:1fe9
66.143.31.234 0:0:0:0:0:ffff:428f:1fea
66.143.31.235 0:0:0:0:0:ffff:428f:1feb
66.143.31.236 0:0:0:0:0:ffff:428f:1fec
66.143.31.237 0:0:0:0:0:ffff:428f:1fed
66.143.31.238 0:0:0:0:0:ffff:428f:1fee
66.143.31.239 0:0:0:0:0:ffff:428f:1fef
66.143.31.240 0:0:0:0:0:ffff:428f:1ff0
66.143.31.241 0:0:0:0:0:ffff:428f:1ff1
66.143.31.242 0:0:0:0:0:ffff:428f:1ff2
66.143.31.243 0:0:0:0:0:ffff:428f:1ff3
66.143.31.244 0:0:0:0:0:ffff:428f:1ff4
66.143.31.245 0:0:0:0:0:ffff:428f:1ff5
66.143.31.246 0:0:0:0:0:ffff:428f:1ff6
66.143.31.247 0:0:0:0:0:ffff:428f:1ff7
66.143.31.248 0:0:0:0:0:ffff:428f:1ff8
66.143.31.249 0:0:0:0:0:ffff:428f:1ff9
66.143.31.250 0:0:0:0:0:ffff:428f:1ffa
66.143.31.251 0:0:0:0:0:ffff:428f:1ffb
66.143.31.252 0:0:0:0:0:ffff:428f:1ffc
66.143.31.253 0:0:0:0:0:ffff:428f:1ffd
66.143.31.254 0:0:0:0:0:ffff:428f:1ffe
66.143.31.255 0:0:0:0:0:ffff:428f: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.