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
28.66.111.1 0:0:0:0:0:ffff:1c42:6f01
28.66.111.2 0:0:0:0:0:ffff:1c42:6f02
28.66.111.3 0:0:0:0:0:ffff:1c42:6f03
28.66.111.4 0:0:0:0:0:ffff:1c42:6f04
28.66.111.5 0:0:0:0:0:ffff:1c42:6f05
28.66.111.6 0:0:0:0:0:ffff:1c42:6f06
28.66.111.7 0:0:0:0:0:ffff:1c42:6f07
28.66.111.8 0:0:0:0:0:ffff:1c42:6f08
28.66.111.9 0:0:0:0:0:ffff:1c42:6f09
28.66.111.10 0:0:0:0:0:ffff:1c42:6f0a
28.66.111.11 0:0:0:0:0:ffff:1c42:6f0b
28.66.111.12 0:0:0:0:0:ffff:1c42:6f0c
28.66.111.13 0:0:0:0:0:ffff:1c42:6f0d
28.66.111.14 0:0:0:0:0:ffff:1c42:6f0e
28.66.111.15 0:0:0:0:0:ffff:1c42:6f0f
28.66.111.16 0:0:0:0:0:ffff:1c42:6f10
28.66.111.17 0:0:0:0:0:ffff:1c42:6f11
28.66.111.18 0:0:0:0:0:ffff:1c42:6f12
28.66.111.19 0:0:0:0:0:ffff:1c42:6f13
28.66.111.20 0:0:0:0:0:ffff:1c42:6f14
28.66.111.21 0:0:0:0:0:ffff:1c42:6f15
28.66.111.22 0:0:0:0:0:ffff:1c42:6f16
28.66.111.23 0:0:0:0:0:ffff:1c42:6f17
28.66.111.24 0:0:0:0:0:ffff:1c42:6f18
28.66.111.25 0:0:0:0:0:ffff:1c42:6f19
28.66.111.26 0:0:0:0:0:ffff:1c42:6f1a
28.66.111.27 0:0:0:0:0:ffff:1c42:6f1b
28.66.111.28 0:0:0:0:0:ffff:1c42:6f1c
28.66.111.29 0:0:0:0:0:ffff:1c42:6f1d
28.66.111.30 0:0:0:0:0:ffff:1c42:6f1e
28.66.111.31 0:0:0:0:0:ffff:1c42:6f1f
28.66.111.32 0:0:0:0:0:ffff:1c42:6f20
28.66.111.33 0:0:0:0:0:ffff:1c42:6f21
28.66.111.34 0:0:0:0:0:ffff:1c42:6f22
28.66.111.35 0:0:0:0:0:ffff:1c42:6f23
28.66.111.36 0:0:0:0:0:ffff:1c42:6f24
28.66.111.37 0:0:0:0:0:ffff:1c42:6f25
28.66.111.38 0:0:0:0:0:ffff:1c42:6f26
28.66.111.39 0:0:0:0:0:ffff:1c42:6f27
28.66.111.40 0:0:0:0:0:ffff:1c42:6f28
28.66.111.41 0:0:0:0:0:ffff:1c42:6f29
28.66.111.42 0:0:0:0:0:ffff:1c42:6f2a
28.66.111.43 0:0:0:0:0:ffff:1c42:6f2b
28.66.111.44 0:0:0:0:0:ffff:1c42:6f2c
28.66.111.45 0:0:0:0:0:ffff:1c42:6f2d
28.66.111.46 0:0:0:0:0:ffff:1c42:6f2e
28.66.111.47 0:0:0:0:0:ffff:1c42:6f2f
28.66.111.48 0:0:0:0:0:ffff:1c42:6f30
28.66.111.49 0:0:0:0:0:ffff:1c42:6f31
28.66.111.50 0:0:0:0:0:ffff:1c42:6f32
28.66.111.51 0:0:0:0:0:ffff:1c42:6f33
28.66.111.52 0:0:0:0:0:ffff:1c42:6f34
28.66.111.53 0:0:0:0:0:ffff:1c42:6f35
28.66.111.54 0:0:0:0:0:ffff:1c42:6f36
28.66.111.55 0:0:0:0:0:ffff:1c42:6f37
28.66.111.56 0:0:0:0:0:ffff:1c42:6f38
28.66.111.57 0:0:0:0:0:ffff:1c42:6f39
28.66.111.58 0:0:0:0:0:ffff:1c42:6f3a
28.66.111.59 0:0:0:0:0:ffff:1c42:6f3b
28.66.111.60 0:0:0:0:0:ffff:1c42:6f3c


28.66.111.61 0:0:0:0:0:ffff:1c42:6f3d
28.66.111.62 0:0:0:0:0:ffff:1c42:6f3e
28.66.111.63 0:0:0:0:0:ffff:1c42:6f3f
28.66.111.64 0:0:0:0:0:ffff:1c42:6f40
28.66.111.65 0:0:0:0:0:ffff:1c42:6f41
28.66.111.66 0:0:0:0:0:ffff:1c42:6f42
28.66.111.67 0:0:0:0:0:ffff:1c42:6f43
28.66.111.68 0:0:0:0:0:ffff:1c42:6f44
28.66.111.69 0:0:0:0:0:ffff:1c42:6f45
28.66.111.70 0:0:0:0:0:ffff:1c42:6f46
28.66.111.71 0:0:0:0:0:ffff:1c42:6f47
28.66.111.72 0:0:0:0:0:ffff:1c42:6f48
28.66.111.73 0:0:0:0:0:ffff:1c42:6f49
28.66.111.74 0:0:0:0:0:ffff:1c42:6f4a
28.66.111.75 0:0:0:0:0:ffff:1c42:6f4b
28.66.111.76 0:0:0:0:0:ffff:1c42:6f4c
28.66.111.77 0:0:0:0:0:ffff:1c42:6f4d
28.66.111.78 0:0:0:0:0:ffff:1c42:6f4e
28.66.111.79 0:0:0:0:0:ffff:1c42:6f4f
28.66.111.80 0:0:0:0:0:ffff:1c42:6f50
28.66.111.81 0:0:0:0:0:ffff:1c42:6f51
28.66.111.82 0:0:0:0:0:ffff:1c42:6f52
28.66.111.83 0:0:0:0:0:ffff:1c42:6f53
28.66.111.84 0:0:0:0:0:ffff:1c42:6f54
28.66.111.85 0:0:0:0:0:ffff:1c42:6f55
28.66.111.86 0:0:0:0:0:ffff:1c42:6f56
28.66.111.87 0:0:0:0:0:ffff:1c42:6f57
28.66.111.88 0:0:0:0:0:ffff:1c42:6f58
28.66.111.89 0:0:0:0:0:ffff:1c42:6f59
28.66.111.90 0:0:0:0:0:ffff:1c42:6f5a
28.66.111.91 0:0:0:0:0:ffff:1c42:6f5b
28.66.111.92 0:0:0:0:0:ffff:1c42:6f5c
28.66.111.93 0:0:0:0:0:ffff:1c42:6f5d
28.66.111.94 0:0:0:0:0:ffff:1c42:6f5e
28.66.111.95 0:0:0:0:0:ffff:1c42:6f5f
28.66.111.96 0:0:0:0:0:ffff:1c42:6f60
28.66.111.97 0:0:0:0:0:ffff:1c42:6f61
28.66.111.98 0:0:0:0:0:ffff:1c42:6f62
28.66.111.99 0:0:0:0:0:ffff:1c42:6f63
28.66.111.100 0:0:0:0:0:ffff:1c42:6f64
28.66.111.101 0:0:0:0:0:ffff:1c42:6f65
28.66.111.102 0:0:0:0:0:ffff:1c42:6f66
28.66.111.103 0:0:0:0:0:ffff:1c42:6f67
28.66.111.104 0:0:0:0:0:ffff:1c42:6f68
28.66.111.105 0:0:0:0:0:ffff:1c42:6f69
28.66.111.106 0:0:0:0:0:ffff:1c42:6f6a
28.66.111.107 0:0:0:0:0:ffff:1c42:6f6b
28.66.111.108 0:0:0:0:0:ffff:1c42:6f6c
28.66.111.109 0:0:0:0:0:ffff:1c42:6f6d
28.66.111.110 0:0:0:0:0:ffff:1c42:6f6e
28.66.111.111 0:0:0:0:0:ffff:1c42:6f6f
28.66.111.112 0:0:0:0:0:ffff:1c42:6f70
28.66.111.113 0:0:0:0:0:ffff:1c42:6f71
28.66.111.114 0:0:0:0:0:ffff:1c42:6f72
28.66.111.115 0:0:0:0:0:ffff:1c42:6f73
28.66.111.116 0:0:0:0:0:ffff:1c42:6f74
28.66.111.117 0:0:0:0:0:ffff:1c42:6f75
28.66.111.118 0:0:0:0:0:ffff:1c42:6f76
28.66.111.119 0:0:0:0:0:ffff:1c42:6f77
28.66.111.120 0:0:0:0:0:ffff:1c42:6f78


28.66.111.121 0:0:0:0:0:ffff:1c42:6f79
28.66.111.122 0:0:0:0:0:ffff:1c42:6f7a
28.66.111.123 0:0:0:0:0:ffff:1c42:6f7b
28.66.111.124 0:0:0:0:0:ffff:1c42:6f7c
28.66.111.125 0:0:0:0:0:ffff:1c42:6f7d
28.66.111.126 0:0:0:0:0:ffff:1c42:6f7e
28.66.111.127 0:0:0:0:0:ffff:1c42:6f7f
28.66.111.128 0:0:0:0:0:ffff:1c42:6f80
28.66.111.129 0:0:0:0:0:ffff:1c42:6f81
28.66.111.130 0:0:0:0:0:ffff:1c42:6f82
28.66.111.131 0:0:0:0:0:ffff:1c42:6f83
28.66.111.132 0:0:0:0:0:ffff:1c42:6f84
28.66.111.133 0:0:0:0:0:ffff:1c42:6f85
28.66.111.134 0:0:0:0:0:ffff:1c42:6f86
28.66.111.135 0:0:0:0:0:ffff:1c42:6f87
28.66.111.136 0:0:0:0:0:ffff:1c42:6f88
28.66.111.137 0:0:0:0:0:ffff:1c42:6f89
28.66.111.138 0:0:0:0:0:ffff:1c42:6f8a
28.66.111.139 0:0:0:0:0:ffff:1c42:6f8b
28.66.111.140 0:0:0:0:0:ffff:1c42:6f8c
28.66.111.141 0:0:0:0:0:ffff:1c42:6f8d
28.66.111.142 0:0:0:0:0:ffff:1c42:6f8e
28.66.111.143 0:0:0:0:0:ffff:1c42:6f8f
28.66.111.144 0:0:0:0:0:ffff:1c42:6f90
28.66.111.145 0:0:0:0:0:ffff:1c42:6f91
28.66.111.146 0:0:0:0:0:ffff:1c42:6f92
28.66.111.147 0:0:0:0:0:ffff:1c42:6f93
28.66.111.148 0:0:0:0:0:ffff:1c42:6f94
28.66.111.149 0:0:0:0:0:ffff:1c42:6f95
28.66.111.150 0:0:0:0:0:ffff:1c42:6f96
28.66.111.151 0:0:0:0:0:ffff:1c42:6f97
28.66.111.152 0:0:0:0:0:ffff:1c42:6f98
28.66.111.153 0:0:0:0:0:ffff:1c42:6f99
28.66.111.154 0:0:0:0:0:ffff:1c42:6f9a
28.66.111.155 0:0:0:0:0:ffff:1c42:6f9b
28.66.111.156 0:0:0:0:0:ffff:1c42:6f9c
28.66.111.157 0:0:0:0:0:ffff:1c42:6f9d
28.66.111.158 0:0:0:0:0:ffff:1c42:6f9e
28.66.111.159 0:0:0:0:0:ffff:1c42:6f9f
28.66.111.160 0:0:0:0:0:ffff:1c42:6fa0
28.66.111.161 0:0:0:0:0:ffff:1c42:6fa1
28.66.111.162 0:0:0:0:0:ffff:1c42:6fa2
28.66.111.163 0:0:0:0:0:ffff:1c42:6fa3
28.66.111.164 0:0:0:0:0:ffff:1c42:6fa4
28.66.111.165 0:0:0:0:0:ffff:1c42:6fa5
28.66.111.166 0:0:0:0:0:ffff:1c42:6fa6
28.66.111.167 0:0:0:0:0:ffff:1c42:6fa7
28.66.111.168 0:0:0:0:0:ffff:1c42:6fa8
28.66.111.169 0:0:0:0:0:ffff:1c42:6fa9
28.66.111.170 0:0:0:0:0:ffff:1c42:6faa
28.66.111.171 0:0:0:0:0:ffff:1c42:6fab
28.66.111.172 0:0:0:0:0:ffff:1c42:6fac
28.66.111.173 0:0:0:0:0:ffff:1c42:6fad
28.66.111.174 0:0:0:0:0:ffff:1c42:6fae
28.66.111.175 0:0:0:0:0:ffff:1c42:6faf
28.66.111.176 0:0:0:0:0:ffff:1c42:6fb0
28.66.111.177 0:0:0:0:0:ffff:1c42:6fb1
28.66.111.178 0:0:0:0:0:ffff:1c42:6fb2
28.66.111.179 0:0:0:0:0:ffff:1c42:6fb3
28.66.111.180 0:0:0:0:0:ffff:1c42:6fb4


28.66.111.181 0:0:0:0:0:ffff:1c42:6fb5
28.66.111.182 0:0:0:0:0:ffff:1c42:6fb6
28.66.111.183 0:0:0:0:0:ffff:1c42:6fb7
28.66.111.184 0:0:0:0:0:ffff:1c42:6fb8
28.66.111.185 0:0:0:0:0:ffff:1c42:6fb9
28.66.111.186 0:0:0:0:0:ffff:1c42:6fba
28.66.111.187 0:0:0:0:0:ffff:1c42:6fbb
28.66.111.188 0:0:0:0:0:ffff:1c42:6fbc
28.66.111.189 0:0:0:0:0:ffff:1c42:6fbd
28.66.111.190 0:0:0:0:0:ffff:1c42:6fbe
28.66.111.191 0:0:0:0:0:ffff:1c42:6fbf
28.66.111.192 0:0:0:0:0:ffff:1c42:6fc0
28.66.111.193 0:0:0:0:0:ffff:1c42:6fc1
28.66.111.194 0:0:0:0:0:ffff:1c42:6fc2
28.66.111.195 0:0:0:0:0:ffff:1c42:6fc3
28.66.111.196 0:0:0:0:0:ffff:1c42:6fc4
28.66.111.197 0:0:0:0:0:ffff:1c42:6fc5
28.66.111.198 0:0:0:0:0:ffff:1c42:6fc6
28.66.111.199 0:0:0:0:0:ffff:1c42:6fc7
28.66.111.200 0:0:0:0:0:ffff:1c42:6fc8
28.66.111.201 0:0:0:0:0:ffff:1c42:6fc9
28.66.111.202 0:0:0:0:0:ffff:1c42:6fca
28.66.111.203 0:0:0:0:0:ffff:1c42:6fcb
28.66.111.204 0:0:0:0:0:ffff:1c42:6fcc
28.66.111.205 0:0:0:0:0:ffff:1c42:6fcd
28.66.111.206 0:0:0:0:0:ffff:1c42:6fce
28.66.111.207 0:0:0:0:0:ffff:1c42:6fcf
28.66.111.208 0:0:0:0:0:ffff:1c42:6fd0
28.66.111.209 0:0:0:0:0:ffff:1c42:6fd1
28.66.111.210 0:0:0:0:0:ffff:1c42:6fd2
28.66.111.211 0:0:0:0:0:ffff:1c42:6fd3
28.66.111.212 0:0:0:0:0:ffff:1c42:6fd4
28.66.111.213 0:0:0:0:0:ffff:1c42:6fd5
28.66.111.214 0:0:0:0:0:ffff:1c42:6fd6
28.66.111.215 0:0:0:0:0:ffff:1c42:6fd7
28.66.111.216 0:0:0:0:0:ffff:1c42:6fd8
28.66.111.217 0:0:0:0:0:ffff:1c42:6fd9
28.66.111.218 0:0:0:0:0:ffff:1c42:6fda
28.66.111.219 0:0:0:0:0:ffff:1c42:6fdb
28.66.111.220 0:0:0:0:0:ffff:1c42:6fdc
28.66.111.221 0:0:0:0:0:ffff:1c42:6fdd
28.66.111.222 0:0:0:0:0:ffff:1c42:6fde
28.66.111.223 0:0:0:0:0:ffff:1c42:6fdf
28.66.111.224 0:0:0:0:0:ffff:1c42:6fe0
28.66.111.225 0:0:0:0:0:ffff:1c42:6fe1
28.66.111.226 0:0:0:0:0:ffff:1c42:6fe2
28.66.111.227 0:0:0:0:0:ffff:1c42:6fe3
28.66.111.228 0:0:0:0:0:ffff:1c42:6fe4
28.66.111.229 0:0:0:0:0:ffff:1c42:6fe5
28.66.111.230 0:0:0:0:0:ffff:1c42:6fe6
28.66.111.231 0:0:0:0:0:ffff:1c42:6fe7
28.66.111.232 0:0:0:0:0:ffff:1c42:6fe8
28.66.111.233 0:0:0:0:0:ffff:1c42:6fe9
28.66.111.234 0:0:0:0:0:ffff:1c42:6fea
28.66.111.235 0:0:0:0:0:ffff:1c42:6feb
28.66.111.236 0:0:0:0:0:ffff:1c42:6fec
28.66.111.237 0:0:0:0:0:ffff:1c42:6fed
28.66.111.238 0:0:0:0:0:ffff:1c42:6fee
28.66.111.239 0:0:0:0:0:ffff:1c42:6fef
28.66.111.240 0:0:0:0:0:ffff:1c42:6ff0
28.66.111.241 0:0:0:0:0:ffff:1c42:6ff1
28.66.111.242 0:0:0:0:0:ffff:1c42:6ff2
28.66.111.243 0:0:0:0:0:ffff:1c42:6ff3
28.66.111.244 0:0:0:0:0:ffff:1c42:6ff4
28.66.111.245 0:0:0:0:0:ffff:1c42:6ff5
28.66.111.246 0:0:0:0:0:ffff:1c42:6ff6
28.66.111.247 0:0:0:0:0:ffff:1c42:6ff7
28.66.111.248 0:0:0:0:0:ffff:1c42:6ff8
28.66.111.249 0:0:0:0:0:ffff:1c42:6ff9
28.66.111.250 0:0:0:0:0:ffff:1c42:6ffa
28.66.111.251 0:0:0:0:0:ffff:1c42:6ffb
28.66.111.252 0:0:0:0:0:ffff:1c42:6ffc
28.66.111.253 0:0:0:0:0:ffff:1c42:6ffd
28.66.111.254 0:0:0:0:0:ffff:1c42:6ffe
28.66.111.255 0:0:0:0:0:ffff:1c42:6fff


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.