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
144.21.78.1 0:0:0:0:0:ffff:9015:4e01
144.21.78.2 0:0:0:0:0:ffff:9015:4e02
144.21.78.3 0:0:0:0:0:ffff:9015:4e03
144.21.78.4 0:0:0:0:0:ffff:9015:4e04
144.21.78.5 0:0:0:0:0:ffff:9015:4e05
144.21.78.6 0:0:0:0:0:ffff:9015:4e06
144.21.78.7 0:0:0:0:0:ffff:9015:4e07
144.21.78.8 0:0:0:0:0:ffff:9015:4e08
144.21.78.9 0:0:0:0:0:ffff:9015:4e09
144.21.78.10 0:0:0:0:0:ffff:9015:4e0a
144.21.78.11 0:0:0:0:0:ffff:9015:4e0b
144.21.78.12 0:0:0:0:0:ffff:9015:4e0c
144.21.78.13 0:0:0:0:0:ffff:9015:4e0d
144.21.78.14 0:0:0:0:0:ffff:9015:4e0e
144.21.78.15 0:0:0:0:0:ffff:9015:4e0f
144.21.78.16 0:0:0:0:0:ffff:9015:4e10
144.21.78.17 0:0:0:0:0:ffff:9015:4e11
144.21.78.18 0:0:0:0:0:ffff:9015:4e12
144.21.78.19 0:0:0:0:0:ffff:9015:4e13
144.21.78.20 0:0:0:0:0:ffff:9015:4e14
144.21.78.21 0:0:0:0:0:ffff:9015:4e15
144.21.78.22 0:0:0:0:0:ffff:9015:4e16
144.21.78.23 0:0:0:0:0:ffff:9015:4e17
144.21.78.24 0:0:0:0:0:ffff:9015:4e18
144.21.78.25 0:0:0:0:0:ffff:9015:4e19
144.21.78.26 0:0:0:0:0:ffff:9015:4e1a
144.21.78.27 0:0:0:0:0:ffff:9015:4e1b
144.21.78.28 0:0:0:0:0:ffff:9015:4e1c
144.21.78.29 0:0:0:0:0:ffff:9015:4e1d
144.21.78.30 0:0:0:0:0:ffff:9015:4e1e
144.21.78.31 0:0:0:0:0:ffff:9015:4e1f
144.21.78.32 0:0:0:0:0:ffff:9015:4e20
144.21.78.33 0:0:0:0:0:ffff:9015:4e21
144.21.78.34 0:0:0:0:0:ffff:9015:4e22
144.21.78.35 0:0:0:0:0:ffff:9015:4e23
144.21.78.36 0:0:0:0:0:ffff:9015:4e24
144.21.78.37 0:0:0:0:0:ffff:9015:4e25
144.21.78.38 0:0:0:0:0:ffff:9015:4e26
144.21.78.39 0:0:0:0:0:ffff:9015:4e27
144.21.78.40 0:0:0:0:0:ffff:9015:4e28
144.21.78.41 0:0:0:0:0:ffff:9015:4e29
144.21.78.42 0:0:0:0:0:ffff:9015:4e2a
144.21.78.43 0:0:0:0:0:ffff:9015:4e2b
144.21.78.44 0:0:0:0:0:ffff:9015:4e2c
144.21.78.45 0:0:0:0:0:ffff:9015:4e2d
144.21.78.46 0:0:0:0:0:ffff:9015:4e2e
144.21.78.47 0:0:0:0:0:ffff:9015:4e2f
144.21.78.48 0:0:0:0:0:ffff:9015:4e30
144.21.78.49 0:0:0:0:0:ffff:9015:4e31
144.21.78.50 0:0:0:0:0:ffff:9015:4e32
144.21.78.51 0:0:0:0:0:ffff:9015:4e33
144.21.78.52 0:0:0:0:0:ffff:9015:4e34
144.21.78.53 0:0:0:0:0:ffff:9015:4e35
144.21.78.54 0:0:0:0:0:ffff:9015:4e36
144.21.78.55 0:0:0:0:0:ffff:9015:4e37
144.21.78.56 0:0:0:0:0:ffff:9015:4e38
144.21.78.57 0:0:0:0:0:ffff:9015:4e39
144.21.78.58 0:0:0:0:0:ffff:9015:4e3a
144.21.78.59 0:0:0:0:0:ffff:9015:4e3b
144.21.78.60 0:0:0:0:0:ffff:9015:4e3c


144.21.78.61 0:0:0:0:0:ffff:9015:4e3d
144.21.78.62 0:0:0:0:0:ffff:9015:4e3e
144.21.78.63 0:0:0:0:0:ffff:9015:4e3f
144.21.78.64 0:0:0:0:0:ffff:9015:4e40
144.21.78.65 0:0:0:0:0:ffff:9015:4e41
144.21.78.66 0:0:0:0:0:ffff:9015:4e42
144.21.78.67 0:0:0:0:0:ffff:9015:4e43
144.21.78.68 0:0:0:0:0:ffff:9015:4e44
144.21.78.69 0:0:0:0:0:ffff:9015:4e45
144.21.78.70 0:0:0:0:0:ffff:9015:4e46
144.21.78.71 0:0:0:0:0:ffff:9015:4e47
144.21.78.72 0:0:0:0:0:ffff:9015:4e48
144.21.78.73 0:0:0:0:0:ffff:9015:4e49
144.21.78.74 0:0:0:0:0:ffff:9015:4e4a
144.21.78.75 0:0:0:0:0:ffff:9015:4e4b
144.21.78.76 0:0:0:0:0:ffff:9015:4e4c
144.21.78.77 0:0:0:0:0:ffff:9015:4e4d
144.21.78.78 0:0:0:0:0:ffff:9015:4e4e
144.21.78.79 0:0:0:0:0:ffff:9015:4e4f
144.21.78.80 0:0:0:0:0:ffff:9015:4e50
144.21.78.81 0:0:0:0:0:ffff:9015:4e51
144.21.78.82 0:0:0:0:0:ffff:9015:4e52
144.21.78.83 0:0:0:0:0:ffff:9015:4e53
144.21.78.84 0:0:0:0:0:ffff:9015:4e54
144.21.78.85 0:0:0:0:0:ffff:9015:4e55
144.21.78.86 0:0:0:0:0:ffff:9015:4e56
144.21.78.87 0:0:0:0:0:ffff:9015:4e57
144.21.78.88 0:0:0:0:0:ffff:9015:4e58
144.21.78.89 0:0:0:0:0:ffff:9015:4e59
144.21.78.90 0:0:0:0:0:ffff:9015:4e5a
144.21.78.91 0:0:0:0:0:ffff:9015:4e5b
144.21.78.92 0:0:0:0:0:ffff:9015:4e5c
144.21.78.93 0:0:0:0:0:ffff:9015:4e5d
144.21.78.94 0:0:0:0:0:ffff:9015:4e5e
144.21.78.95 0:0:0:0:0:ffff:9015:4e5f
144.21.78.96 0:0:0:0:0:ffff:9015:4e60
144.21.78.97 0:0:0:0:0:ffff:9015:4e61
144.21.78.98 0:0:0:0:0:ffff:9015:4e62
144.21.78.99 0:0:0:0:0:ffff:9015:4e63
144.21.78.100 0:0:0:0:0:ffff:9015:4e64
144.21.78.101 0:0:0:0:0:ffff:9015:4e65
144.21.78.102 0:0:0:0:0:ffff:9015:4e66
144.21.78.103 0:0:0:0:0:ffff:9015:4e67
144.21.78.104 0:0:0:0:0:ffff:9015:4e68
144.21.78.105 0:0:0:0:0:ffff:9015:4e69
144.21.78.106 0:0:0:0:0:ffff:9015:4e6a
144.21.78.107 0:0:0:0:0:ffff:9015:4e6b
144.21.78.108 0:0:0:0:0:ffff:9015:4e6c
144.21.78.109 0:0:0:0:0:ffff:9015:4e6d
144.21.78.110 0:0:0:0:0:ffff:9015:4e6e
144.21.78.111 0:0:0:0:0:ffff:9015:4e6f
144.21.78.112 0:0:0:0:0:ffff:9015:4e70
144.21.78.113 0:0:0:0:0:ffff:9015:4e71
144.21.78.114 0:0:0:0:0:ffff:9015:4e72
144.21.78.115 0:0:0:0:0:ffff:9015:4e73
144.21.78.116 0:0:0:0:0:ffff:9015:4e74
144.21.78.117 0:0:0:0:0:ffff:9015:4e75
144.21.78.118 0:0:0:0:0:ffff:9015:4e76
144.21.78.119 0:0:0:0:0:ffff:9015:4e77
144.21.78.120 0:0:0:0:0:ffff:9015:4e78


144.21.78.121 0:0:0:0:0:ffff:9015:4e79
144.21.78.122 0:0:0:0:0:ffff:9015:4e7a
144.21.78.123 0:0:0:0:0:ffff:9015:4e7b
144.21.78.124 0:0:0:0:0:ffff:9015:4e7c
144.21.78.125 0:0:0:0:0:ffff:9015:4e7d
144.21.78.126 0:0:0:0:0:ffff:9015:4e7e
144.21.78.127 0:0:0:0:0:ffff:9015:4e7f
144.21.78.128 0:0:0:0:0:ffff:9015:4e80
144.21.78.129 0:0:0:0:0:ffff:9015:4e81
144.21.78.130 0:0:0:0:0:ffff:9015:4e82
144.21.78.131 0:0:0:0:0:ffff:9015:4e83
144.21.78.132 0:0:0:0:0:ffff:9015:4e84
144.21.78.133 0:0:0:0:0:ffff:9015:4e85
144.21.78.134 0:0:0:0:0:ffff:9015:4e86
144.21.78.135 0:0:0:0:0:ffff:9015:4e87
144.21.78.136 0:0:0:0:0:ffff:9015:4e88
144.21.78.137 0:0:0:0:0:ffff:9015:4e89
144.21.78.138 0:0:0:0:0:ffff:9015:4e8a
144.21.78.139 0:0:0:0:0:ffff:9015:4e8b
144.21.78.140 0:0:0:0:0:ffff:9015:4e8c
144.21.78.141 0:0:0:0:0:ffff:9015:4e8d
144.21.78.142 0:0:0:0:0:ffff:9015:4e8e
144.21.78.143 0:0:0:0:0:ffff:9015:4e8f
144.21.78.144 0:0:0:0:0:ffff:9015:4e90
144.21.78.145 0:0:0:0:0:ffff:9015:4e91
144.21.78.146 0:0:0:0:0:ffff:9015:4e92
144.21.78.147 0:0:0:0:0:ffff:9015:4e93
144.21.78.148 0:0:0:0:0:ffff:9015:4e94
144.21.78.149 0:0:0:0:0:ffff:9015:4e95
144.21.78.150 0:0:0:0:0:ffff:9015:4e96
144.21.78.151 0:0:0:0:0:ffff:9015:4e97
144.21.78.152 0:0:0:0:0:ffff:9015:4e98
144.21.78.153 0:0:0:0:0:ffff:9015:4e99
144.21.78.154 0:0:0:0:0:ffff:9015:4e9a
144.21.78.155 0:0:0:0:0:ffff:9015:4e9b
144.21.78.156 0:0:0:0:0:ffff:9015:4e9c
144.21.78.157 0:0:0:0:0:ffff:9015:4e9d
144.21.78.158 0:0:0:0:0:ffff:9015:4e9e
144.21.78.159 0:0:0:0:0:ffff:9015:4e9f
144.21.78.160 0:0:0:0:0:ffff:9015:4ea0
144.21.78.161 0:0:0:0:0:ffff:9015:4ea1
144.21.78.162 0:0:0:0:0:ffff:9015:4ea2
144.21.78.163 0:0:0:0:0:ffff:9015:4ea3
144.21.78.164 0:0:0:0:0:ffff:9015:4ea4
144.21.78.165 0:0:0:0:0:ffff:9015:4ea5
144.21.78.166 0:0:0:0:0:ffff:9015:4ea6
144.21.78.167 0:0:0:0:0:ffff:9015:4ea7
144.21.78.168 0:0:0:0:0:ffff:9015:4ea8
144.21.78.169 0:0:0:0:0:ffff:9015:4ea9
144.21.78.170 0:0:0:0:0:ffff:9015:4eaa
144.21.78.171 0:0:0:0:0:ffff:9015:4eab
144.21.78.172 0:0:0:0:0:ffff:9015:4eac
144.21.78.173 0:0:0:0:0:ffff:9015:4ead
144.21.78.174 0:0:0:0:0:ffff:9015:4eae
144.21.78.175 0:0:0:0:0:ffff:9015:4eaf
144.21.78.176 0:0:0:0:0:ffff:9015:4eb0
144.21.78.177 0:0:0:0:0:ffff:9015:4eb1
144.21.78.178 0:0:0:0:0:ffff:9015:4eb2
144.21.78.179 0:0:0:0:0:ffff:9015:4eb3
144.21.78.180 0:0:0:0:0:ffff:9015:4eb4


144.21.78.181 0:0:0:0:0:ffff:9015:4eb5
144.21.78.182 0:0:0:0:0:ffff:9015:4eb6
144.21.78.183 0:0:0:0:0:ffff:9015:4eb7
144.21.78.184 0:0:0:0:0:ffff:9015:4eb8
144.21.78.185 0:0:0:0:0:ffff:9015:4eb9
144.21.78.186 0:0:0:0:0:ffff:9015:4eba
144.21.78.187 0:0:0:0:0:ffff:9015:4ebb
144.21.78.188 0:0:0:0:0:ffff:9015:4ebc
144.21.78.189 0:0:0:0:0:ffff:9015:4ebd
144.21.78.190 0:0:0:0:0:ffff:9015:4ebe
144.21.78.191 0:0:0:0:0:ffff:9015:4ebf
144.21.78.192 0:0:0:0:0:ffff:9015:4ec0
144.21.78.193 0:0:0:0:0:ffff:9015:4ec1
144.21.78.194 0:0:0:0:0:ffff:9015:4ec2
144.21.78.195 0:0:0:0:0:ffff:9015:4ec3
144.21.78.196 0:0:0:0:0:ffff:9015:4ec4
144.21.78.197 0:0:0:0:0:ffff:9015:4ec5
144.21.78.198 0:0:0:0:0:ffff:9015:4ec6
144.21.78.199 0:0:0:0:0:ffff:9015:4ec7
144.21.78.200 0:0:0:0:0:ffff:9015:4ec8
144.21.78.201 0:0:0:0:0:ffff:9015:4ec9
144.21.78.202 0:0:0:0:0:ffff:9015:4eca
144.21.78.203 0:0:0:0:0:ffff:9015:4ecb
144.21.78.204 0:0:0:0:0:ffff:9015:4ecc
144.21.78.205 0:0:0:0:0:ffff:9015:4ecd
144.21.78.206 0:0:0:0:0:ffff:9015:4ece
144.21.78.207 0:0:0:0:0:ffff:9015:4ecf
144.21.78.208 0:0:0:0:0:ffff:9015:4ed0
144.21.78.209 0:0:0:0:0:ffff:9015:4ed1
144.21.78.210 0:0:0:0:0:ffff:9015:4ed2
144.21.78.211 0:0:0:0:0:ffff:9015:4ed3
144.21.78.212 0:0:0:0:0:ffff:9015:4ed4
144.21.78.213 0:0:0:0:0:ffff:9015:4ed5
144.21.78.214 0:0:0:0:0:ffff:9015:4ed6
144.21.78.215 0:0:0:0:0:ffff:9015:4ed7
144.21.78.216 0:0:0:0:0:ffff:9015:4ed8
144.21.78.217 0:0:0:0:0:ffff:9015:4ed9
144.21.78.218 0:0:0:0:0:ffff:9015:4eda
144.21.78.219 0:0:0:0:0:ffff:9015:4edb
144.21.78.220 0:0:0:0:0:ffff:9015:4edc
144.21.78.221 0:0:0:0:0:ffff:9015:4edd
144.21.78.222 0:0:0:0:0:ffff:9015:4ede
144.21.78.223 0:0:0:0:0:ffff:9015:4edf
144.21.78.224 0:0:0:0:0:ffff:9015:4ee0
144.21.78.225 0:0:0:0:0:ffff:9015:4ee1
144.21.78.226 0:0:0:0:0:ffff:9015:4ee2
144.21.78.227 0:0:0:0:0:ffff:9015:4ee3
144.21.78.228 0:0:0:0:0:ffff:9015:4ee4
144.21.78.229 0:0:0:0:0:ffff:9015:4ee5
144.21.78.230 0:0:0:0:0:ffff:9015:4ee6
144.21.78.231 0:0:0:0:0:ffff:9015:4ee7
144.21.78.232 0:0:0:0:0:ffff:9015:4ee8
144.21.78.233 0:0:0:0:0:ffff:9015:4ee9
144.21.78.234 0:0:0:0:0:ffff:9015:4eea
144.21.78.235 0:0:0:0:0:ffff:9015:4eeb
144.21.78.236 0:0:0:0:0:ffff:9015:4eec
144.21.78.237 0:0:0:0:0:ffff:9015:4eed
144.21.78.238 0:0:0:0:0:ffff:9015:4eee
144.21.78.239 0:0:0:0:0:ffff:9015:4eef
144.21.78.240 0:0:0:0:0:ffff:9015:4ef0
144.21.78.241 0:0:0:0:0:ffff:9015:4ef1
144.21.78.242 0:0:0:0:0:ffff:9015:4ef2
144.21.78.243 0:0:0:0:0:ffff:9015:4ef3
144.21.78.244 0:0:0:0:0:ffff:9015:4ef4
144.21.78.245 0:0:0:0:0:ffff:9015:4ef5
144.21.78.246 0:0:0:0:0:ffff:9015:4ef6
144.21.78.247 0:0:0:0:0:ffff:9015:4ef7
144.21.78.248 0:0:0:0:0:ffff:9015:4ef8
144.21.78.249 0:0:0:0:0:ffff:9015:4ef9
144.21.78.250 0:0:0:0:0:ffff:9015:4efa
144.21.78.251 0:0:0:0:0:ffff:9015:4efb
144.21.78.252 0:0:0:0:0:ffff:9015:4efc
144.21.78.253 0:0:0:0:0:ffff:9015:4efd
144.21.78.254 0:0:0:0:0:ffff:9015:4efe
144.21.78.255 0:0:0:0:0:ffff:9015:4eff


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.