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
72.72.15.1 0:0:0:0:0:ffff:4848:f01
72.72.15.2 0:0:0:0:0:ffff:4848:f02
72.72.15.3 0:0:0:0:0:ffff:4848:f03
72.72.15.4 0:0:0:0:0:ffff:4848:f04
72.72.15.5 0:0:0:0:0:ffff:4848:f05
72.72.15.6 0:0:0:0:0:ffff:4848:f06
72.72.15.7 0:0:0:0:0:ffff:4848:f07
72.72.15.8 0:0:0:0:0:ffff:4848:f08
72.72.15.9 0:0:0:0:0:ffff:4848:f09
72.72.15.10 0:0:0:0:0:ffff:4848:f0a
72.72.15.11 0:0:0:0:0:ffff:4848:f0b
72.72.15.12 0:0:0:0:0:ffff:4848:f0c
72.72.15.13 0:0:0:0:0:ffff:4848:f0d
72.72.15.14 0:0:0:0:0:ffff:4848:f0e
72.72.15.15 0:0:0:0:0:ffff:4848:f0f
72.72.15.16 0:0:0:0:0:ffff:4848:f10
72.72.15.17 0:0:0:0:0:ffff:4848:f11
72.72.15.18 0:0:0:0:0:ffff:4848:f12
72.72.15.19 0:0:0:0:0:ffff:4848:f13
72.72.15.20 0:0:0:0:0:ffff:4848:f14
72.72.15.21 0:0:0:0:0:ffff:4848:f15
72.72.15.22 0:0:0:0:0:ffff:4848:f16
72.72.15.23 0:0:0:0:0:ffff:4848:f17
72.72.15.24 0:0:0:0:0:ffff:4848:f18
72.72.15.25 0:0:0:0:0:ffff:4848:f19
72.72.15.26 0:0:0:0:0:ffff:4848:f1a
72.72.15.27 0:0:0:0:0:ffff:4848:f1b
72.72.15.28 0:0:0:0:0:ffff:4848:f1c
72.72.15.29 0:0:0:0:0:ffff:4848:f1d
72.72.15.30 0:0:0:0:0:ffff:4848:f1e
72.72.15.31 0:0:0:0:0:ffff:4848:f1f
72.72.15.32 0:0:0:0:0:ffff:4848:f20
72.72.15.33 0:0:0:0:0:ffff:4848:f21
72.72.15.34 0:0:0:0:0:ffff:4848:f22
72.72.15.35 0:0:0:0:0:ffff:4848:f23
72.72.15.36 0:0:0:0:0:ffff:4848:f24
72.72.15.37 0:0:0:0:0:ffff:4848:f25
72.72.15.38 0:0:0:0:0:ffff:4848:f26
72.72.15.39 0:0:0:0:0:ffff:4848:f27
72.72.15.40 0:0:0:0:0:ffff:4848:f28
72.72.15.41 0:0:0:0:0:ffff:4848:f29
72.72.15.42 0:0:0:0:0:ffff:4848:f2a
72.72.15.43 0:0:0:0:0:ffff:4848:f2b
72.72.15.44 0:0:0:0:0:ffff:4848:f2c
72.72.15.45 0:0:0:0:0:ffff:4848:f2d
72.72.15.46 0:0:0:0:0:ffff:4848:f2e
72.72.15.47 0:0:0:0:0:ffff:4848:f2f
72.72.15.48 0:0:0:0:0:ffff:4848:f30
72.72.15.49 0:0:0:0:0:ffff:4848:f31
72.72.15.50 0:0:0:0:0:ffff:4848:f32
72.72.15.51 0:0:0:0:0:ffff:4848:f33
72.72.15.52 0:0:0:0:0:ffff:4848:f34
72.72.15.53 0:0:0:0:0:ffff:4848:f35
72.72.15.54 0:0:0:0:0:ffff:4848:f36
72.72.15.55 0:0:0:0:0:ffff:4848:f37
72.72.15.56 0:0:0:0:0:ffff:4848:f38
72.72.15.57 0:0:0:0:0:ffff:4848:f39
72.72.15.58 0:0:0:0:0:ffff:4848:f3a
72.72.15.59 0:0:0:0:0:ffff:4848:f3b
72.72.15.60 0:0:0:0:0:ffff:4848:f3c


72.72.15.61 0:0:0:0:0:ffff:4848:f3d
72.72.15.62 0:0:0:0:0:ffff:4848:f3e
72.72.15.63 0:0:0:0:0:ffff:4848:f3f
72.72.15.64 0:0:0:0:0:ffff:4848:f40
72.72.15.65 0:0:0:0:0:ffff:4848:f41
72.72.15.66 0:0:0:0:0:ffff:4848:f42
72.72.15.67 0:0:0:0:0:ffff:4848:f43
72.72.15.68 0:0:0:0:0:ffff:4848:f44
72.72.15.69 0:0:0:0:0:ffff:4848:f45
72.72.15.70 0:0:0:0:0:ffff:4848:f46
72.72.15.71 0:0:0:0:0:ffff:4848:f47
72.72.15.72 0:0:0:0:0:ffff:4848:f48
72.72.15.73 0:0:0:0:0:ffff:4848:f49
72.72.15.74 0:0:0:0:0:ffff:4848:f4a
72.72.15.75 0:0:0:0:0:ffff:4848:f4b
72.72.15.76 0:0:0:0:0:ffff:4848:f4c
72.72.15.77 0:0:0:0:0:ffff:4848:f4d
72.72.15.78 0:0:0:0:0:ffff:4848:f4e
72.72.15.79 0:0:0:0:0:ffff:4848:f4f
72.72.15.80 0:0:0:0:0:ffff:4848:f50
72.72.15.81 0:0:0:0:0:ffff:4848:f51
72.72.15.82 0:0:0:0:0:ffff:4848:f52
72.72.15.83 0:0:0:0:0:ffff:4848:f53
72.72.15.84 0:0:0:0:0:ffff:4848:f54
72.72.15.85 0:0:0:0:0:ffff:4848:f55
72.72.15.86 0:0:0:0:0:ffff:4848:f56
72.72.15.87 0:0:0:0:0:ffff:4848:f57
72.72.15.88 0:0:0:0:0:ffff:4848:f58
72.72.15.89 0:0:0:0:0:ffff:4848:f59
72.72.15.90 0:0:0:0:0:ffff:4848:f5a
72.72.15.91 0:0:0:0:0:ffff:4848:f5b
72.72.15.92 0:0:0:0:0:ffff:4848:f5c
72.72.15.93 0:0:0:0:0:ffff:4848:f5d
72.72.15.94 0:0:0:0:0:ffff:4848:f5e
72.72.15.95 0:0:0:0:0:ffff:4848:f5f
72.72.15.96 0:0:0:0:0:ffff:4848:f60
72.72.15.97 0:0:0:0:0:ffff:4848:f61
72.72.15.98 0:0:0:0:0:ffff:4848:f62
72.72.15.99 0:0:0:0:0:ffff:4848:f63
72.72.15.100 0:0:0:0:0:ffff:4848:f64
72.72.15.101 0:0:0:0:0:ffff:4848:f65
72.72.15.102 0:0:0:0:0:ffff:4848:f66
72.72.15.103 0:0:0:0:0:ffff:4848:f67
72.72.15.104 0:0:0:0:0:ffff:4848:f68
72.72.15.105 0:0:0:0:0:ffff:4848:f69
72.72.15.106 0:0:0:0:0:ffff:4848:f6a
72.72.15.107 0:0:0:0:0:ffff:4848:f6b
72.72.15.108 0:0:0:0:0:ffff:4848:f6c
72.72.15.109 0:0:0:0:0:ffff:4848:f6d
72.72.15.110 0:0:0:0:0:ffff:4848:f6e
72.72.15.111 0:0:0:0:0:ffff:4848:f6f
72.72.15.112 0:0:0:0:0:ffff:4848:f70
72.72.15.113 0:0:0:0:0:ffff:4848:f71
72.72.15.114 0:0:0:0:0:ffff:4848:f72
72.72.15.115 0:0:0:0:0:ffff:4848:f73
72.72.15.116 0:0:0:0:0:ffff:4848:f74
72.72.15.117 0:0:0:0:0:ffff:4848:f75
72.72.15.118 0:0:0:0:0:ffff:4848:f76
72.72.15.119 0:0:0:0:0:ffff:4848:f77
72.72.15.120 0:0:0:0:0:ffff:4848:f78


72.72.15.121 0:0:0:0:0:ffff:4848:f79
72.72.15.122 0:0:0:0:0:ffff:4848:f7a
72.72.15.123 0:0:0:0:0:ffff:4848:f7b
72.72.15.124 0:0:0:0:0:ffff:4848:f7c
72.72.15.125 0:0:0:0:0:ffff:4848:f7d
72.72.15.126 0:0:0:0:0:ffff:4848:f7e
72.72.15.127 0:0:0:0:0:ffff:4848:f7f
72.72.15.128 0:0:0:0:0:ffff:4848:f80
72.72.15.129 0:0:0:0:0:ffff:4848:f81
72.72.15.130 0:0:0:0:0:ffff:4848:f82
72.72.15.131 0:0:0:0:0:ffff:4848:f83
72.72.15.132 0:0:0:0:0:ffff:4848:f84
72.72.15.133 0:0:0:0:0:ffff:4848:f85
72.72.15.134 0:0:0:0:0:ffff:4848:f86
72.72.15.135 0:0:0:0:0:ffff:4848:f87
72.72.15.136 0:0:0:0:0:ffff:4848:f88
72.72.15.137 0:0:0:0:0:ffff:4848:f89
72.72.15.138 0:0:0:0:0:ffff:4848:f8a
72.72.15.139 0:0:0:0:0:ffff:4848:f8b
72.72.15.140 0:0:0:0:0:ffff:4848:f8c
72.72.15.141 0:0:0:0:0:ffff:4848:f8d
72.72.15.142 0:0:0:0:0:ffff:4848:f8e
72.72.15.143 0:0:0:0:0:ffff:4848:f8f
72.72.15.144 0:0:0:0:0:ffff:4848:f90
72.72.15.145 0:0:0:0:0:ffff:4848:f91
72.72.15.146 0:0:0:0:0:ffff:4848:f92
72.72.15.147 0:0:0:0:0:ffff:4848:f93
72.72.15.148 0:0:0:0:0:ffff:4848:f94
72.72.15.149 0:0:0:0:0:ffff:4848:f95
72.72.15.150 0:0:0:0:0:ffff:4848:f96
72.72.15.151 0:0:0:0:0:ffff:4848:f97
72.72.15.152 0:0:0:0:0:ffff:4848:f98
72.72.15.153 0:0:0:0:0:ffff:4848:f99
72.72.15.154 0:0:0:0:0:ffff:4848:f9a
72.72.15.155 0:0:0:0:0:ffff:4848:f9b
72.72.15.156 0:0:0:0:0:ffff:4848:f9c
72.72.15.157 0:0:0:0:0:ffff:4848:f9d
72.72.15.158 0:0:0:0:0:ffff:4848:f9e
72.72.15.159 0:0:0:0:0:ffff:4848:f9f
72.72.15.160 0:0:0:0:0:ffff:4848:fa0
72.72.15.161 0:0:0:0:0:ffff:4848:fa1
72.72.15.162 0:0:0:0:0:ffff:4848:fa2
72.72.15.163 0:0:0:0:0:ffff:4848:fa3
72.72.15.164 0:0:0:0:0:ffff:4848:fa4
72.72.15.165 0:0:0:0:0:ffff:4848:fa5
72.72.15.166 0:0:0:0:0:ffff:4848:fa6
72.72.15.167 0:0:0:0:0:ffff:4848:fa7
72.72.15.168 0:0:0:0:0:ffff:4848:fa8
72.72.15.169 0:0:0:0:0:ffff:4848:fa9
72.72.15.170 0:0:0:0:0:ffff:4848:faa
72.72.15.171 0:0:0:0:0:ffff:4848:fab
72.72.15.172 0:0:0:0:0:ffff:4848:fac
72.72.15.173 0:0:0:0:0:ffff:4848:fad
72.72.15.174 0:0:0:0:0:ffff:4848:fae
72.72.15.175 0:0:0:0:0:ffff:4848:faf
72.72.15.176 0:0:0:0:0:ffff:4848:fb0
72.72.15.177 0:0:0:0:0:ffff:4848:fb1
72.72.15.178 0:0:0:0:0:ffff:4848:fb2
72.72.15.179 0:0:0:0:0:ffff:4848:fb3
72.72.15.180 0:0:0:0:0:ffff:4848:fb4


72.72.15.181 0:0:0:0:0:ffff:4848:fb5
72.72.15.182 0:0:0:0:0:ffff:4848:fb6
72.72.15.183 0:0:0:0:0:ffff:4848:fb7
72.72.15.184 0:0:0:0:0:ffff:4848:fb8
72.72.15.185 0:0:0:0:0:ffff:4848:fb9
72.72.15.186 0:0:0:0:0:ffff:4848:fba
72.72.15.187 0:0:0:0:0:ffff:4848:fbb
72.72.15.188 0:0:0:0:0:ffff:4848:fbc
72.72.15.189 0:0:0:0:0:ffff:4848:fbd
72.72.15.190 0:0:0:0:0:ffff:4848:fbe
72.72.15.191 0:0:0:0:0:ffff:4848:fbf
72.72.15.192 0:0:0:0:0:ffff:4848:fc0
72.72.15.193 0:0:0:0:0:ffff:4848:fc1
72.72.15.194 0:0:0:0:0:ffff:4848:fc2
72.72.15.195 0:0:0:0:0:ffff:4848:fc3
72.72.15.196 0:0:0:0:0:ffff:4848:fc4
72.72.15.197 0:0:0:0:0:ffff:4848:fc5
72.72.15.198 0:0:0:0:0:ffff:4848:fc6
72.72.15.199 0:0:0:0:0:ffff:4848:fc7
72.72.15.200 0:0:0:0:0:ffff:4848:fc8
72.72.15.201 0:0:0:0:0:ffff:4848:fc9
72.72.15.202 0:0:0:0:0:ffff:4848:fca
72.72.15.203 0:0:0:0:0:ffff:4848:fcb
72.72.15.204 0:0:0:0:0:ffff:4848:fcc
72.72.15.205 0:0:0:0:0:ffff:4848:fcd
72.72.15.206 0:0:0:0:0:ffff:4848:fce
72.72.15.207 0:0:0:0:0:ffff:4848:fcf
72.72.15.208 0:0:0:0:0:ffff:4848:fd0
72.72.15.209 0:0:0:0:0:ffff:4848:fd1
72.72.15.210 0:0:0:0:0:ffff:4848:fd2
72.72.15.211 0:0:0:0:0:ffff:4848:fd3
72.72.15.212 0:0:0:0:0:ffff:4848:fd4
72.72.15.213 0:0:0:0:0:ffff:4848:fd5
72.72.15.214 0:0:0:0:0:ffff:4848:fd6
72.72.15.215 0:0:0:0:0:ffff:4848:fd7
72.72.15.216 0:0:0:0:0:ffff:4848:fd8
72.72.15.217 0:0:0:0:0:ffff:4848:fd9
72.72.15.218 0:0:0:0:0:ffff:4848:fda
72.72.15.219 0:0:0:0:0:ffff:4848:fdb
72.72.15.220 0:0:0:0:0:ffff:4848:fdc
72.72.15.221 0:0:0:0:0:ffff:4848:fdd
72.72.15.222 0:0:0:0:0:ffff:4848:fde
72.72.15.223 0:0:0:0:0:ffff:4848:fdf
72.72.15.224 0:0:0:0:0:ffff:4848:fe0
72.72.15.225 0:0:0:0:0:ffff:4848:fe1
72.72.15.226 0:0:0:0:0:ffff:4848:fe2
72.72.15.227 0:0:0:0:0:ffff:4848:fe3
72.72.15.228 0:0:0:0:0:ffff:4848:fe4
72.72.15.229 0:0:0:0:0:ffff:4848:fe5
72.72.15.230 0:0:0:0:0:ffff:4848:fe6
72.72.15.231 0:0:0:0:0:ffff:4848:fe7
72.72.15.232 0:0:0:0:0:ffff:4848:fe8
72.72.15.233 0:0:0:0:0:ffff:4848:fe9
72.72.15.234 0:0:0:0:0:ffff:4848:fea
72.72.15.235 0:0:0:0:0:ffff:4848:feb
72.72.15.236 0:0:0:0:0:ffff:4848:fec
72.72.15.237 0:0:0:0:0:ffff:4848:fed
72.72.15.238 0:0:0:0:0:ffff:4848:fee
72.72.15.239 0:0:0:0:0:ffff:4848:fef
72.72.15.240 0:0:0:0:0:ffff:4848:ff0
72.72.15.241 0:0:0:0:0:ffff:4848:ff1
72.72.15.242 0:0:0:0:0:ffff:4848:ff2
72.72.15.243 0:0:0:0:0:ffff:4848:ff3
72.72.15.244 0:0:0:0:0:ffff:4848:ff4
72.72.15.245 0:0:0:0:0:ffff:4848:ff5
72.72.15.246 0:0:0:0:0:ffff:4848:ff6
72.72.15.247 0:0:0:0:0:ffff:4848:ff7
72.72.15.248 0:0:0:0:0:ffff:4848:ff8
72.72.15.249 0:0:0:0:0:ffff:4848:ff9
72.72.15.250 0:0:0:0:0:ffff:4848:ffa
72.72.15.251 0:0:0:0:0:ffff:4848:ffb
72.72.15.252 0:0:0:0:0:ffff:4848:ffc
72.72.15.253 0:0:0:0:0:ffff:4848:ffd
72.72.15.254 0:0:0:0:0:ffff:4848:ffe
72.72.15.255 0:0:0:0:0:ffff:4848: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.