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
73.191.78.1 0:0:0:0:0:ffff:49bf:4e01
73.191.78.2 0:0:0:0:0:ffff:49bf:4e02
73.191.78.3 0:0:0:0:0:ffff:49bf:4e03
73.191.78.4 0:0:0:0:0:ffff:49bf:4e04
73.191.78.5 0:0:0:0:0:ffff:49bf:4e05
73.191.78.6 0:0:0:0:0:ffff:49bf:4e06
73.191.78.7 0:0:0:0:0:ffff:49bf:4e07
73.191.78.8 0:0:0:0:0:ffff:49bf:4e08
73.191.78.9 0:0:0:0:0:ffff:49bf:4e09
73.191.78.10 0:0:0:0:0:ffff:49bf:4e0a
73.191.78.11 0:0:0:0:0:ffff:49bf:4e0b
73.191.78.12 0:0:0:0:0:ffff:49bf:4e0c
73.191.78.13 0:0:0:0:0:ffff:49bf:4e0d
73.191.78.14 0:0:0:0:0:ffff:49bf:4e0e
73.191.78.15 0:0:0:0:0:ffff:49bf:4e0f
73.191.78.16 0:0:0:0:0:ffff:49bf:4e10
73.191.78.17 0:0:0:0:0:ffff:49bf:4e11
73.191.78.18 0:0:0:0:0:ffff:49bf:4e12
73.191.78.19 0:0:0:0:0:ffff:49bf:4e13
73.191.78.20 0:0:0:0:0:ffff:49bf:4e14
73.191.78.21 0:0:0:0:0:ffff:49bf:4e15
73.191.78.22 0:0:0:0:0:ffff:49bf:4e16
73.191.78.23 0:0:0:0:0:ffff:49bf:4e17
73.191.78.24 0:0:0:0:0:ffff:49bf:4e18
73.191.78.25 0:0:0:0:0:ffff:49bf:4e19
73.191.78.26 0:0:0:0:0:ffff:49bf:4e1a
73.191.78.27 0:0:0:0:0:ffff:49bf:4e1b
73.191.78.28 0:0:0:0:0:ffff:49bf:4e1c
73.191.78.29 0:0:0:0:0:ffff:49bf:4e1d
73.191.78.30 0:0:0:0:0:ffff:49bf:4e1e
73.191.78.31 0:0:0:0:0:ffff:49bf:4e1f
73.191.78.32 0:0:0:0:0:ffff:49bf:4e20
73.191.78.33 0:0:0:0:0:ffff:49bf:4e21
73.191.78.34 0:0:0:0:0:ffff:49bf:4e22
73.191.78.35 0:0:0:0:0:ffff:49bf:4e23
73.191.78.36 0:0:0:0:0:ffff:49bf:4e24
73.191.78.37 0:0:0:0:0:ffff:49bf:4e25
73.191.78.38 0:0:0:0:0:ffff:49bf:4e26
73.191.78.39 0:0:0:0:0:ffff:49bf:4e27
73.191.78.40 0:0:0:0:0:ffff:49bf:4e28
73.191.78.41 0:0:0:0:0:ffff:49bf:4e29
73.191.78.42 0:0:0:0:0:ffff:49bf:4e2a
73.191.78.43 0:0:0:0:0:ffff:49bf:4e2b
73.191.78.44 0:0:0:0:0:ffff:49bf:4e2c
73.191.78.45 0:0:0:0:0:ffff:49bf:4e2d
73.191.78.46 0:0:0:0:0:ffff:49bf:4e2e
73.191.78.47 0:0:0:0:0:ffff:49bf:4e2f
73.191.78.48 0:0:0:0:0:ffff:49bf:4e30
73.191.78.49 0:0:0:0:0:ffff:49bf:4e31
73.191.78.50 0:0:0:0:0:ffff:49bf:4e32
73.191.78.51 0:0:0:0:0:ffff:49bf:4e33
73.191.78.52 0:0:0:0:0:ffff:49bf:4e34
73.191.78.53 0:0:0:0:0:ffff:49bf:4e35
73.191.78.54 0:0:0:0:0:ffff:49bf:4e36
73.191.78.55 0:0:0:0:0:ffff:49bf:4e37
73.191.78.56 0:0:0:0:0:ffff:49bf:4e38
73.191.78.57 0:0:0:0:0:ffff:49bf:4e39
73.191.78.58 0:0:0:0:0:ffff:49bf:4e3a
73.191.78.59 0:0:0:0:0:ffff:49bf:4e3b
73.191.78.60 0:0:0:0:0:ffff:49bf:4e3c


73.191.78.61 0:0:0:0:0:ffff:49bf:4e3d
73.191.78.62 0:0:0:0:0:ffff:49bf:4e3e
73.191.78.63 0:0:0:0:0:ffff:49bf:4e3f
73.191.78.64 0:0:0:0:0:ffff:49bf:4e40
73.191.78.65 0:0:0:0:0:ffff:49bf:4e41
73.191.78.66 0:0:0:0:0:ffff:49bf:4e42
73.191.78.67 0:0:0:0:0:ffff:49bf:4e43
73.191.78.68 0:0:0:0:0:ffff:49bf:4e44
73.191.78.69 0:0:0:0:0:ffff:49bf:4e45
73.191.78.70 0:0:0:0:0:ffff:49bf:4e46
73.191.78.71 0:0:0:0:0:ffff:49bf:4e47
73.191.78.72 0:0:0:0:0:ffff:49bf:4e48
73.191.78.73 0:0:0:0:0:ffff:49bf:4e49
73.191.78.74 0:0:0:0:0:ffff:49bf:4e4a
73.191.78.75 0:0:0:0:0:ffff:49bf:4e4b
73.191.78.76 0:0:0:0:0:ffff:49bf:4e4c
73.191.78.77 0:0:0:0:0:ffff:49bf:4e4d
73.191.78.78 0:0:0:0:0:ffff:49bf:4e4e
73.191.78.79 0:0:0:0:0:ffff:49bf:4e4f
73.191.78.80 0:0:0:0:0:ffff:49bf:4e50
73.191.78.81 0:0:0:0:0:ffff:49bf:4e51
73.191.78.82 0:0:0:0:0:ffff:49bf:4e52
73.191.78.83 0:0:0:0:0:ffff:49bf:4e53
73.191.78.84 0:0:0:0:0:ffff:49bf:4e54
73.191.78.85 0:0:0:0:0:ffff:49bf:4e55
73.191.78.86 0:0:0:0:0:ffff:49bf:4e56
73.191.78.87 0:0:0:0:0:ffff:49bf:4e57
73.191.78.88 0:0:0:0:0:ffff:49bf:4e58
73.191.78.89 0:0:0:0:0:ffff:49bf:4e59
73.191.78.90 0:0:0:0:0:ffff:49bf:4e5a
73.191.78.91 0:0:0:0:0:ffff:49bf:4e5b
73.191.78.92 0:0:0:0:0:ffff:49bf:4e5c
73.191.78.93 0:0:0:0:0:ffff:49bf:4e5d
73.191.78.94 0:0:0:0:0:ffff:49bf:4e5e
73.191.78.95 0:0:0:0:0:ffff:49bf:4e5f
73.191.78.96 0:0:0:0:0:ffff:49bf:4e60
73.191.78.97 0:0:0:0:0:ffff:49bf:4e61
73.191.78.98 0:0:0:0:0:ffff:49bf:4e62
73.191.78.99 0:0:0:0:0:ffff:49bf:4e63
73.191.78.100 0:0:0:0:0:ffff:49bf:4e64
73.191.78.101 0:0:0:0:0:ffff:49bf:4e65
73.191.78.102 0:0:0:0:0:ffff:49bf:4e66
73.191.78.103 0:0:0:0:0:ffff:49bf:4e67
73.191.78.104 0:0:0:0:0:ffff:49bf:4e68
73.191.78.105 0:0:0:0:0:ffff:49bf:4e69
73.191.78.106 0:0:0:0:0:ffff:49bf:4e6a
73.191.78.107 0:0:0:0:0:ffff:49bf:4e6b
73.191.78.108 0:0:0:0:0:ffff:49bf:4e6c
73.191.78.109 0:0:0:0:0:ffff:49bf:4e6d
73.191.78.110 0:0:0:0:0:ffff:49bf:4e6e
73.191.78.111 0:0:0:0:0:ffff:49bf:4e6f
73.191.78.112 0:0:0:0:0:ffff:49bf:4e70
73.191.78.113 0:0:0:0:0:ffff:49bf:4e71
73.191.78.114 0:0:0:0:0:ffff:49bf:4e72
73.191.78.115 0:0:0:0:0:ffff:49bf:4e73
73.191.78.116 0:0:0:0:0:ffff:49bf:4e74
73.191.78.117 0:0:0:0:0:ffff:49bf:4e75
73.191.78.118 0:0:0:0:0:ffff:49bf:4e76
73.191.78.119 0:0:0:0:0:ffff:49bf:4e77
73.191.78.120 0:0:0:0:0:ffff:49bf:4e78


73.191.78.121 0:0:0:0:0:ffff:49bf:4e79
73.191.78.122 0:0:0:0:0:ffff:49bf:4e7a
73.191.78.123 0:0:0:0:0:ffff:49bf:4e7b
73.191.78.124 0:0:0:0:0:ffff:49bf:4e7c
73.191.78.125 0:0:0:0:0:ffff:49bf:4e7d
73.191.78.126 0:0:0:0:0:ffff:49bf:4e7e
73.191.78.127 0:0:0:0:0:ffff:49bf:4e7f
73.191.78.128 0:0:0:0:0:ffff:49bf:4e80
73.191.78.129 0:0:0:0:0:ffff:49bf:4e81
73.191.78.130 0:0:0:0:0:ffff:49bf:4e82
73.191.78.131 0:0:0:0:0:ffff:49bf:4e83
73.191.78.132 0:0:0:0:0:ffff:49bf:4e84
73.191.78.133 0:0:0:0:0:ffff:49bf:4e85
73.191.78.134 0:0:0:0:0:ffff:49bf:4e86
73.191.78.135 0:0:0:0:0:ffff:49bf:4e87
73.191.78.136 0:0:0:0:0:ffff:49bf:4e88
73.191.78.137 0:0:0:0:0:ffff:49bf:4e89
73.191.78.138 0:0:0:0:0:ffff:49bf:4e8a
73.191.78.139 0:0:0:0:0:ffff:49bf:4e8b
73.191.78.140 0:0:0:0:0:ffff:49bf:4e8c
73.191.78.141 0:0:0:0:0:ffff:49bf:4e8d
73.191.78.142 0:0:0:0:0:ffff:49bf:4e8e
73.191.78.143 0:0:0:0:0:ffff:49bf:4e8f
73.191.78.144 0:0:0:0:0:ffff:49bf:4e90
73.191.78.145 0:0:0:0:0:ffff:49bf:4e91
73.191.78.146 0:0:0:0:0:ffff:49bf:4e92
73.191.78.147 0:0:0:0:0:ffff:49bf:4e93
73.191.78.148 0:0:0:0:0:ffff:49bf:4e94
73.191.78.149 0:0:0:0:0:ffff:49bf:4e95
73.191.78.150 0:0:0:0:0:ffff:49bf:4e96
73.191.78.151 0:0:0:0:0:ffff:49bf:4e97
73.191.78.152 0:0:0:0:0:ffff:49bf:4e98
73.191.78.153 0:0:0:0:0:ffff:49bf:4e99
73.191.78.154 0:0:0:0:0:ffff:49bf:4e9a
73.191.78.155 0:0:0:0:0:ffff:49bf:4e9b
73.191.78.156 0:0:0:0:0:ffff:49bf:4e9c
73.191.78.157 0:0:0:0:0:ffff:49bf:4e9d
73.191.78.158 0:0:0:0:0:ffff:49bf:4e9e
73.191.78.159 0:0:0:0:0:ffff:49bf:4e9f
73.191.78.160 0:0:0:0:0:ffff:49bf:4ea0
73.191.78.161 0:0:0:0:0:ffff:49bf:4ea1
73.191.78.162 0:0:0:0:0:ffff:49bf:4ea2
73.191.78.163 0:0:0:0:0:ffff:49bf:4ea3
73.191.78.164 0:0:0:0:0:ffff:49bf:4ea4
73.191.78.165 0:0:0:0:0:ffff:49bf:4ea5
73.191.78.166 0:0:0:0:0:ffff:49bf:4ea6
73.191.78.167 0:0:0:0:0:ffff:49bf:4ea7
73.191.78.168 0:0:0:0:0:ffff:49bf:4ea8
73.191.78.169 0:0:0:0:0:ffff:49bf:4ea9
73.191.78.170 0:0:0:0:0:ffff:49bf:4eaa
73.191.78.171 0:0:0:0:0:ffff:49bf:4eab
73.191.78.172 0:0:0:0:0:ffff:49bf:4eac
73.191.78.173 0:0:0:0:0:ffff:49bf:4ead
73.191.78.174 0:0:0:0:0:ffff:49bf:4eae
73.191.78.175 0:0:0:0:0:ffff:49bf:4eaf
73.191.78.176 0:0:0:0:0:ffff:49bf:4eb0
73.191.78.177 0:0:0:0:0:ffff:49bf:4eb1
73.191.78.178 0:0:0:0:0:ffff:49bf:4eb2
73.191.78.179 0:0:0:0:0:ffff:49bf:4eb3
73.191.78.180 0:0:0:0:0:ffff:49bf:4eb4


73.191.78.181 0:0:0:0:0:ffff:49bf:4eb5
73.191.78.182 0:0:0:0:0:ffff:49bf:4eb6
73.191.78.183 0:0:0:0:0:ffff:49bf:4eb7
73.191.78.184 0:0:0:0:0:ffff:49bf:4eb8
73.191.78.185 0:0:0:0:0:ffff:49bf:4eb9
73.191.78.186 0:0:0:0:0:ffff:49bf:4eba
73.191.78.187 0:0:0:0:0:ffff:49bf:4ebb
73.191.78.188 0:0:0:0:0:ffff:49bf:4ebc
73.191.78.189 0:0:0:0:0:ffff:49bf:4ebd
73.191.78.190 0:0:0:0:0:ffff:49bf:4ebe
73.191.78.191 0:0:0:0:0:ffff:49bf:4ebf
73.191.78.192 0:0:0:0:0:ffff:49bf:4ec0
73.191.78.193 0:0:0:0:0:ffff:49bf:4ec1
73.191.78.194 0:0:0:0:0:ffff:49bf:4ec2
73.191.78.195 0:0:0:0:0:ffff:49bf:4ec3
73.191.78.196 0:0:0:0:0:ffff:49bf:4ec4
73.191.78.197 0:0:0:0:0:ffff:49bf:4ec5
73.191.78.198 0:0:0:0:0:ffff:49bf:4ec6
73.191.78.199 0:0:0:0:0:ffff:49bf:4ec7
73.191.78.200 0:0:0:0:0:ffff:49bf:4ec8
73.191.78.201 0:0:0:0:0:ffff:49bf:4ec9
73.191.78.202 0:0:0:0:0:ffff:49bf:4eca
73.191.78.203 0:0:0:0:0:ffff:49bf:4ecb
73.191.78.204 0:0:0:0:0:ffff:49bf:4ecc
73.191.78.205 0:0:0:0:0:ffff:49bf:4ecd
73.191.78.206 0:0:0:0:0:ffff:49bf:4ece
73.191.78.207 0:0:0:0:0:ffff:49bf:4ecf
73.191.78.208 0:0:0:0:0:ffff:49bf:4ed0
73.191.78.209 0:0:0:0:0:ffff:49bf:4ed1
73.191.78.210 0:0:0:0:0:ffff:49bf:4ed2
73.191.78.211 0:0:0:0:0:ffff:49bf:4ed3
73.191.78.212 0:0:0:0:0:ffff:49bf:4ed4
73.191.78.213 0:0:0:0:0:ffff:49bf:4ed5
73.191.78.214 0:0:0:0:0:ffff:49bf:4ed6
73.191.78.215 0:0:0:0:0:ffff:49bf:4ed7
73.191.78.216 0:0:0:0:0:ffff:49bf:4ed8
73.191.78.217 0:0:0:0:0:ffff:49bf:4ed9
73.191.78.218 0:0:0:0:0:ffff:49bf:4eda
73.191.78.219 0:0:0:0:0:ffff:49bf:4edb
73.191.78.220 0:0:0:0:0:ffff:49bf:4edc
73.191.78.221 0:0:0:0:0:ffff:49bf:4edd
73.191.78.222 0:0:0:0:0:ffff:49bf:4ede
73.191.78.223 0:0:0:0:0:ffff:49bf:4edf
73.191.78.224 0:0:0:0:0:ffff:49bf:4ee0
73.191.78.225 0:0:0:0:0:ffff:49bf:4ee1
73.191.78.226 0:0:0:0:0:ffff:49bf:4ee2
73.191.78.227 0:0:0:0:0:ffff:49bf:4ee3
73.191.78.228 0:0:0:0:0:ffff:49bf:4ee4
73.191.78.229 0:0:0:0:0:ffff:49bf:4ee5
73.191.78.230 0:0:0:0:0:ffff:49bf:4ee6
73.191.78.231 0:0:0:0:0:ffff:49bf:4ee7
73.191.78.232 0:0:0:0:0:ffff:49bf:4ee8
73.191.78.233 0:0:0:0:0:ffff:49bf:4ee9
73.191.78.234 0:0:0:0:0:ffff:49bf:4eea
73.191.78.235 0:0:0:0:0:ffff:49bf:4eeb
73.191.78.236 0:0:0:0:0:ffff:49bf:4eec
73.191.78.237 0:0:0:0:0:ffff:49bf:4eed
73.191.78.238 0:0:0:0:0:ffff:49bf:4eee
73.191.78.239 0:0:0:0:0:ffff:49bf:4eef
73.191.78.240 0:0:0:0:0:ffff:49bf:4ef0
73.191.78.241 0:0:0:0:0:ffff:49bf:4ef1
73.191.78.242 0:0:0:0:0:ffff:49bf:4ef2
73.191.78.243 0:0:0:0:0:ffff:49bf:4ef3
73.191.78.244 0:0:0:0:0:ffff:49bf:4ef4
73.191.78.245 0:0:0:0:0:ffff:49bf:4ef5
73.191.78.246 0:0:0:0:0:ffff:49bf:4ef6
73.191.78.247 0:0:0:0:0:ffff:49bf:4ef7
73.191.78.248 0:0:0:0:0:ffff:49bf:4ef8
73.191.78.249 0:0:0:0:0:ffff:49bf:4ef9
73.191.78.250 0:0:0:0:0:ffff:49bf:4efa
73.191.78.251 0:0:0:0:0:ffff:49bf:4efb
73.191.78.252 0:0:0:0:0:ffff:49bf:4efc
73.191.78.253 0:0:0:0:0:ffff:49bf:4efd
73.191.78.254 0:0:0:0:0:ffff:49bf:4efe
73.191.78.255 0:0:0:0:0:ffff:49bf:4eff


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.