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
57.12.15.1 0:0:0:0:0:ffff:390c:f01
57.12.15.2 0:0:0:0:0:ffff:390c:f02
57.12.15.3 0:0:0:0:0:ffff:390c:f03
57.12.15.4 0:0:0:0:0:ffff:390c:f04
57.12.15.5 0:0:0:0:0:ffff:390c:f05
57.12.15.6 0:0:0:0:0:ffff:390c:f06
57.12.15.7 0:0:0:0:0:ffff:390c:f07
57.12.15.8 0:0:0:0:0:ffff:390c:f08
57.12.15.9 0:0:0:0:0:ffff:390c:f09
57.12.15.10 0:0:0:0:0:ffff:390c:f0a
57.12.15.11 0:0:0:0:0:ffff:390c:f0b
57.12.15.12 0:0:0:0:0:ffff:390c:f0c
57.12.15.13 0:0:0:0:0:ffff:390c:f0d
57.12.15.14 0:0:0:0:0:ffff:390c:f0e
57.12.15.15 0:0:0:0:0:ffff:390c:f0f
57.12.15.16 0:0:0:0:0:ffff:390c:f10
57.12.15.17 0:0:0:0:0:ffff:390c:f11
57.12.15.18 0:0:0:0:0:ffff:390c:f12
57.12.15.19 0:0:0:0:0:ffff:390c:f13
57.12.15.20 0:0:0:0:0:ffff:390c:f14
57.12.15.21 0:0:0:0:0:ffff:390c:f15
57.12.15.22 0:0:0:0:0:ffff:390c:f16
57.12.15.23 0:0:0:0:0:ffff:390c:f17
57.12.15.24 0:0:0:0:0:ffff:390c:f18
57.12.15.25 0:0:0:0:0:ffff:390c:f19
57.12.15.26 0:0:0:0:0:ffff:390c:f1a
57.12.15.27 0:0:0:0:0:ffff:390c:f1b
57.12.15.28 0:0:0:0:0:ffff:390c:f1c
57.12.15.29 0:0:0:0:0:ffff:390c:f1d
57.12.15.30 0:0:0:0:0:ffff:390c:f1e
57.12.15.31 0:0:0:0:0:ffff:390c:f1f
57.12.15.32 0:0:0:0:0:ffff:390c:f20
57.12.15.33 0:0:0:0:0:ffff:390c:f21
57.12.15.34 0:0:0:0:0:ffff:390c:f22
57.12.15.35 0:0:0:0:0:ffff:390c:f23
57.12.15.36 0:0:0:0:0:ffff:390c:f24
57.12.15.37 0:0:0:0:0:ffff:390c:f25
57.12.15.38 0:0:0:0:0:ffff:390c:f26
57.12.15.39 0:0:0:0:0:ffff:390c:f27
57.12.15.40 0:0:0:0:0:ffff:390c:f28
57.12.15.41 0:0:0:0:0:ffff:390c:f29
57.12.15.42 0:0:0:0:0:ffff:390c:f2a
57.12.15.43 0:0:0:0:0:ffff:390c:f2b
57.12.15.44 0:0:0:0:0:ffff:390c:f2c
57.12.15.45 0:0:0:0:0:ffff:390c:f2d
57.12.15.46 0:0:0:0:0:ffff:390c:f2e
57.12.15.47 0:0:0:0:0:ffff:390c:f2f
57.12.15.48 0:0:0:0:0:ffff:390c:f30
57.12.15.49 0:0:0:0:0:ffff:390c:f31
57.12.15.50 0:0:0:0:0:ffff:390c:f32
57.12.15.51 0:0:0:0:0:ffff:390c:f33
57.12.15.52 0:0:0:0:0:ffff:390c:f34
57.12.15.53 0:0:0:0:0:ffff:390c:f35
57.12.15.54 0:0:0:0:0:ffff:390c:f36
57.12.15.55 0:0:0:0:0:ffff:390c:f37
57.12.15.56 0:0:0:0:0:ffff:390c:f38
57.12.15.57 0:0:0:0:0:ffff:390c:f39
57.12.15.58 0:0:0:0:0:ffff:390c:f3a
57.12.15.59 0:0:0:0:0:ffff:390c:f3b
57.12.15.60 0:0:0:0:0:ffff:390c:f3c


57.12.15.61 0:0:0:0:0:ffff:390c:f3d
57.12.15.62 0:0:0:0:0:ffff:390c:f3e
57.12.15.63 0:0:0:0:0:ffff:390c:f3f
57.12.15.64 0:0:0:0:0:ffff:390c:f40
57.12.15.65 0:0:0:0:0:ffff:390c:f41
57.12.15.66 0:0:0:0:0:ffff:390c:f42
57.12.15.67 0:0:0:0:0:ffff:390c:f43
57.12.15.68 0:0:0:0:0:ffff:390c:f44
57.12.15.69 0:0:0:0:0:ffff:390c:f45
57.12.15.70 0:0:0:0:0:ffff:390c:f46
57.12.15.71 0:0:0:0:0:ffff:390c:f47
57.12.15.72 0:0:0:0:0:ffff:390c:f48
57.12.15.73 0:0:0:0:0:ffff:390c:f49
57.12.15.74 0:0:0:0:0:ffff:390c:f4a
57.12.15.75 0:0:0:0:0:ffff:390c:f4b
57.12.15.76 0:0:0:0:0:ffff:390c:f4c
57.12.15.77 0:0:0:0:0:ffff:390c:f4d
57.12.15.78 0:0:0:0:0:ffff:390c:f4e
57.12.15.79 0:0:0:0:0:ffff:390c:f4f
57.12.15.80 0:0:0:0:0:ffff:390c:f50
57.12.15.81 0:0:0:0:0:ffff:390c:f51
57.12.15.82 0:0:0:0:0:ffff:390c:f52
57.12.15.83 0:0:0:0:0:ffff:390c:f53
57.12.15.84 0:0:0:0:0:ffff:390c:f54
57.12.15.85 0:0:0:0:0:ffff:390c:f55
57.12.15.86 0:0:0:0:0:ffff:390c:f56
57.12.15.87 0:0:0:0:0:ffff:390c:f57
57.12.15.88 0:0:0:0:0:ffff:390c:f58
57.12.15.89 0:0:0:0:0:ffff:390c:f59
57.12.15.90 0:0:0:0:0:ffff:390c:f5a
57.12.15.91 0:0:0:0:0:ffff:390c:f5b
57.12.15.92 0:0:0:0:0:ffff:390c:f5c
57.12.15.93 0:0:0:0:0:ffff:390c:f5d
57.12.15.94 0:0:0:0:0:ffff:390c:f5e
57.12.15.95 0:0:0:0:0:ffff:390c:f5f
57.12.15.96 0:0:0:0:0:ffff:390c:f60
57.12.15.97 0:0:0:0:0:ffff:390c:f61
57.12.15.98 0:0:0:0:0:ffff:390c:f62
57.12.15.99 0:0:0:0:0:ffff:390c:f63
57.12.15.100 0:0:0:0:0:ffff:390c:f64
57.12.15.101 0:0:0:0:0:ffff:390c:f65
57.12.15.102 0:0:0:0:0:ffff:390c:f66
57.12.15.103 0:0:0:0:0:ffff:390c:f67
57.12.15.104 0:0:0:0:0:ffff:390c:f68
57.12.15.105 0:0:0:0:0:ffff:390c:f69
57.12.15.106 0:0:0:0:0:ffff:390c:f6a
57.12.15.107 0:0:0:0:0:ffff:390c:f6b
57.12.15.108 0:0:0:0:0:ffff:390c:f6c
57.12.15.109 0:0:0:0:0:ffff:390c:f6d
57.12.15.110 0:0:0:0:0:ffff:390c:f6e
57.12.15.111 0:0:0:0:0:ffff:390c:f6f
57.12.15.112 0:0:0:0:0:ffff:390c:f70
57.12.15.113 0:0:0:0:0:ffff:390c:f71
57.12.15.114 0:0:0:0:0:ffff:390c:f72
57.12.15.115 0:0:0:0:0:ffff:390c:f73
57.12.15.116 0:0:0:0:0:ffff:390c:f74
57.12.15.117 0:0:0:0:0:ffff:390c:f75
57.12.15.118 0:0:0:0:0:ffff:390c:f76
57.12.15.119 0:0:0:0:0:ffff:390c:f77
57.12.15.120 0:0:0:0:0:ffff:390c:f78


57.12.15.121 0:0:0:0:0:ffff:390c:f79
57.12.15.122 0:0:0:0:0:ffff:390c:f7a
57.12.15.123 0:0:0:0:0:ffff:390c:f7b
57.12.15.124 0:0:0:0:0:ffff:390c:f7c
57.12.15.125 0:0:0:0:0:ffff:390c:f7d
57.12.15.126 0:0:0:0:0:ffff:390c:f7e
57.12.15.127 0:0:0:0:0:ffff:390c:f7f
57.12.15.128 0:0:0:0:0:ffff:390c:f80
57.12.15.129 0:0:0:0:0:ffff:390c:f81
57.12.15.130 0:0:0:0:0:ffff:390c:f82
57.12.15.131 0:0:0:0:0:ffff:390c:f83
57.12.15.132 0:0:0:0:0:ffff:390c:f84
57.12.15.133 0:0:0:0:0:ffff:390c:f85
57.12.15.134 0:0:0:0:0:ffff:390c:f86
57.12.15.135 0:0:0:0:0:ffff:390c:f87
57.12.15.136 0:0:0:0:0:ffff:390c:f88
57.12.15.137 0:0:0:0:0:ffff:390c:f89
57.12.15.138 0:0:0:0:0:ffff:390c:f8a
57.12.15.139 0:0:0:0:0:ffff:390c:f8b
57.12.15.140 0:0:0:0:0:ffff:390c:f8c
57.12.15.141 0:0:0:0:0:ffff:390c:f8d
57.12.15.142 0:0:0:0:0:ffff:390c:f8e
57.12.15.143 0:0:0:0:0:ffff:390c:f8f
57.12.15.144 0:0:0:0:0:ffff:390c:f90
57.12.15.145 0:0:0:0:0:ffff:390c:f91
57.12.15.146 0:0:0:0:0:ffff:390c:f92
57.12.15.147 0:0:0:0:0:ffff:390c:f93
57.12.15.148 0:0:0:0:0:ffff:390c:f94
57.12.15.149 0:0:0:0:0:ffff:390c:f95
57.12.15.150 0:0:0:0:0:ffff:390c:f96
57.12.15.151 0:0:0:0:0:ffff:390c:f97
57.12.15.152 0:0:0:0:0:ffff:390c:f98
57.12.15.153 0:0:0:0:0:ffff:390c:f99
57.12.15.154 0:0:0:0:0:ffff:390c:f9a
57.12.15.155 0:0:0:0:0:ffff:390c:f9b
57.12.15.156 0:0:0:0:0:ffff:390c:f9c
57.12.15.157 0:0:0:0:0:ffff:390c:f9d
57.12.15.158 0:0:0:0:0:ffff:390c:f9e
57.12.15.159 0:0:0:0:0:ffff:390c:f9f
57.12.15.160 0:0:0:0:0:ffff:390c:fa0
57.12.15.161 0:0:0:0:0:ffff:390c:fa1
57.12.15.162 0:0:0:0:0:ffff:390c:fa2
57.12.15.163 0:0:0:0:0:ffff:390c:fa3
57.12.15.164 0:0:0:0:0:ffff:390c:fa4
57.12.15.165 0:0:0:0:0:ffff:390c:fa5
57.12.15.166 0:0:0:0:0:ffff:390c:fa6
57.12.15.167 0:0:0:0:0:ffff:390c:fa7
57.12.15.168 0:0:0:0:0:ffff:390c:fa8
57.12.15.169 0:0:0:0:0:ffff:390c:fa9
57.12.15.170 0:0:0:0:0:ffff:390c:faa
57.12.15.171 0:0:0:0:0:ffff:390c:fab
57.12.15.172 0:0:0:0:0:ffff:390c:fac
57.12.15.173 0:0:0:0:0:ffff:390c:fad
57.12.15.174 0:0:0:0:0:ffff:390c:fae
57.12.15.175 0:0:0:0:0:ffff:390c:faf
57.12.15.176 0:0:0:0:0:ffff:390c:fb0
57.12.15.177 0:0:0:0:0:ffff:390c:fb1
57.12.15.178 0:0:0:0:0:ffff:390c:fb2
57.12.15.179 0:0:0:0:0:ffff:390c:fb3
57.12.15.180 0:0:0:0:0:ffff:390c:fb4


57.12.15.181 0:0:0:0:0:ffff:390c:fb5
57.12.15.182 0:0:0:0:0:ffff:390c:fb6
57.12.15.183 0:0:0:0:0:ffff:390c:fb7
57.12.15.184 0:0:0:0:0:ffff:390c:fb8
57.12.15.185 0:0:0:0:0:ffff:390c:fb9
57.12.15.186 0:0:0:0:0:ffff:390c:fba
57.12.15.187 0:0:0:0:0:ffff:390c:fbb
57.12.15.188 0:0:0:0:0:ffff:390c:fbc
57.12.15.189 0:0:0:0:0:ffff:390c:fbd
57.12.15.190 0:0:0:0:0:ffff:390c:fbe
57.12.15.191 0:0:0:0:0:ffff:390c:fbf
57.12.15.192 0:0:0:0:0:ffff:390c:fc0
57.12.15.193 0:0:0:0:0:ffff:390c:fc1
57.12.15.194 0:0:0:0:0:ffff:390c:fc2
57.12.15.195 0:0:0:0:0:ffff:390c:fc3
57.12.15.196 0:0:0:0:0:ffff:390c:fc4
57.12.15.197 0:0:0:0:0:ffff:390c:fc5
57.12.15.198 0:0:0:0:0:ffff:390c:fc6
57.12.15.199 0:0:0:0:0:ffff:390c:fc7
57.12.15.200 0:0:0:0:0:ffff:390c:fc8
57.12.15.201 0:0:0:0:0:ffff:390c:fc9
57.12.15.202 0:0:0:0:0:ffff:390c:fca
57.12.15.203 0:0:0:0:0:ffff:390c:fcb
57.12.15.204 0:0:0:0:0:ffff:390c:fcc
57.12.15.205 0:0:0:0:0:ffff:390c:fcd
57.12.15.206 0:0:0:0:0:ffff:390c:fce
57.12.15.207 0:0:0:0:0:ffff:390c:fcf
57.12.15.208 0:0:0:0:0:ffff:390c:fd0
57.12.15.209 0:0:0:0:0:ffff:390c:fd1
57.12.15.210 0:0:0:0:0:ffff:390c:fd2
57.12.15.211 0:0:0:0:0:ffff:390c:fd3
57.12.15.212 0:0:0:0:0:ffff:390c:fd4
57.12.15.213 0:0:0:0:0:ffff:390c:fd5
57.12.15.214 0:0:0:0:0:ffff:390c:fd6
57.12.15.215 0:0:0:0:0:ffff:390c:fd7
57.12.15.216 0:0:0:0:0:ffff:390c:fd8
57.12.15.217 0:0:0:0:0:ffff:390c:fd9
57.12.15.218 0:0:0:0:0:ffff:390c:fda
57.12.15.219 0:0:0:0:0:ffff:390c:fdb
57.12.15.220 0:0:0:0:0:ffff:390c:fdc
57.12.15.221 0:0:0:0:0:ffff:390c:fdd
57.12.15.222 0:0:0:0:0:ffff:390c:fde
57.12.15.223 0:0:0:0:0:ffff:390c:fdf
57.12.15.224 0:0:0:0:0:ffff:390c:fe0
57.12.15.225 0:0:0:0:0:ffff:390c:fe1
57.12.15.226 0:0:0:0:0:ffff:390c:fe2
57.12.15.227 0:0:0:0:0:ffff:390c:fe3
57.12.15.228 0:0:0:0:0:ffff:390c:fe4
57.12.15.229 0:0:0:0:0:ffff:390c:fe5
57.12.15.230 0:0:0:0:0:ffff:390c:fe6
57.12.15.231 0:0:0:0:0:ffff:390c:fe7
57.12.15.232 0:0:0:0:0:ffff:390c:fe8
57.12.15.233 0:0:0:0:0:ffff:390c:fe9
57.12.15.234 0:0:0:0:0:ffff:390c:fea
57.12.15.235 0:0:0:0:0:ffff:390c:feb
57.12.15.236 0:0:0:0:0:ffff:390c:fec
57.12.15.237 0:0:0:0:0:ffff:390c:fed
57.12.15.238 0:0:0:0:0:ffff:390c:fee
57.12.15.239 0:0:0:0:0:ffff:390c:fef
57.12.15.240 0:0:0:0:0:ffff:390c:ff0
57.12.15.241 0:0:0:0:0:ffff:390c:ff1
57.12.15.242 0:0:0:0:0:ffff:390c:ff2
57.12.15.243 0:0:0:0:0:ffff:390c:ff3
57.12.15.244 0:0:0:0:0:ffff:390c:ff4
57.12.15.245 0:0:0:0:0:ffff:390c:ff5
57.12.15.246 0:0:0:0:0:ffff:390c:ff6
57.12.15.247 0:0:0:0:0:ffff:390c:ff7
57.12.15.248 0:0:0:0:0:ffff:390c:ff8
57.12.15.249 0:0:0:0:0:ffff:390c:ff9
57.12.15.250 0:0:0:0:0:ffff:390c:ffa
57.12.15.251 0:0:0:0:0:ffff:390c:ffb
57.12.15.252 0:0:0:0:0:ffff:390c:ffc
57.12.15.253 0:0:0:0:0:ffff:390c:ffd
57.12.15.254 0:0:0:0:0:ffff:390c:ffe
57.12.15.255 0:0:0:0:0:ffff:390c:fff


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.