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
66.219.78.1 0:0:0:0:0:ffff:42db:4e01
66.219.78.2 0:0:0:0:0:ffff:42db:4e02
66.219.78.3 0:0:0:0:0:ffff:42db:4e03
66.219.78.4 0:0:0:0:0:ffff:42db:4e04
66.219.78.5 0:0:0:0:0:ffff:42db:4e05
66.219.78.6 0:0:0:0:0:ffff:42db:4e06
66.219.78.7 0:0:0:0:0:ffff:42db:4e07
66.219.78.8 0:0:0:0:0:ffff:42db:4e08
66.219.78.9 0:0:0:0:0:ffff:42db:4e09
66.219.78.10 0:0:0:0:0:ffff:42db:4e0a
66.219.78.11 0:0:0:0:0:ffff:42db:4e0b
66.219.78.12 0:0:0:0:0:ffff:42db:4e0c
66.219.78.13 0:0:0:0:0:ffff:42db:4e0d
66.219.78.14 0:0:0:0:0:ffff:42db:4e0e
66.219.78.15 0:0:0:0:0:ffff:42db:4e0f
66.219.78.16 0:0:0:0:0:ffff:42db:4e10
66.219.78.17 0:0:0:0:0:ffff:42db:4e11
66.219.78.18 0:0:0:0:0:ffff:42db:4e12
66.219.78.19 0:0:0:0:0:ffff:42db:4e13
66.219.78.20 0:0:0:0:0:ffff:42db:4e14
66.219.78.21 0:0:0:0:0:ffff:42db:4e15
66.219.78.22 0:0:0:0:0:ffff:42db:4e16
66.219.78.23 0:0:0:0:0:ffff:42db:4e17
66.219.78.24 0:0:0:0:0:ffff:42db:4e18
66.219.78.25 0:0:0:0:0:ffff:42db:4e19
66.219.78.26 0:0:0:0:0:ffff:42db:4e1a
66.219.78.27 0:0:0:0:0:ffff:42db:4e1b
66.219.78.28 0:0:0:0:0:ffff:42db:4e1c
66.219.78.29 0:0:0:0:0:ffff:42db:4e1d
66.219.78.30 0:0:0:0:0:ffff:42db:4e1e
66.219.78.31 0:0:0:0:0:ffff:42db:4e1f
66.219.78.32 0:0:0:0:0:ffff:42db:4e20
66.219.78.33 0:0:0:0:0:ffff:42db:4e21
66.219.78.34 0:0:0:0:0:ffff:42db:4e22
66.219.78.35 0:0:0:0:0:ffff:42db:4e23
66.219.78.36 0:0:0:0:0:ffff:42db:4e24
66.219.78.37 0:0:0:0:0:ffff:42db:4e25
66.219.78.38 0:0:0:0:0:ffff:42db:4e26
66.219.78.39 0:0:0:0:0:ffff:42db:4e27
66.219.78.40 0:0:0:0:0:ffff:42db:4e28
66.219.78.41 0:0:0:0:0:ffff:42db:4e29
66.219.78.42 0:0:0:0:0:ffff:42db:4e2a
66.219.78.43 0:0:0:0:0:ffff:42db:4e2b
66.219.78.44 0:0:0:0:0:ffff:42db:4e2c
66.219.78.45 0:0:0:0:0:ffff:42db:4e2d
66.219.78.46 0:0:0:0:0:ffff:42db:4e2e
66.219.78.47 0:0:0:0:0:ffff:42db:4e2f
66.219.78.48 0:0:0:0:0:ffff:42db:4e30
66.219.78.49 0:0:0:0:0:ffff:42db:4e31
66.219.78.50 0:0:0:0:0:ffff:42db:4e32
66.219.78.51 0:0:0:0:0:ffff:42db:4e33
66.219.78.52 0:0:0:0:0:ffff:42db:4e34
66.219.78.53 0:0:0:0:0:ffff:42db:4e35
66.219.78.54 0:0:0:0:0:ffff:42db:4e36
66.219.78.55 0:0:0:0:0:ffff:42db:4e37
66.219.78.56 0:0:0:0:0:ffff:42db:4e38
66.219.78.57 0:0:0:0:0:ffff:42db:4e39
66.219.78.58 0:0:0:0:0:ffff:42db:4e3a
66.219.78.59 0:0:0:0:0:ffff:42db:4e3b
66.219.78.60 0:0:0:0:0:ffff:42db:4e3c


66.219.78.61 0:0:0:0:0:ffff:42db:4e3d
66.219.78.62 0:0:0:0:0:ffff:42db:4e3e
66.219.78.63 0:0:0:0:0:ffff:42db:4e3f
66.219.78.64 0:0:0:0:0:ffff:42db:4e40
66.219.78.65 0:0:0:0:0:ffff:42db:4e41
66.219.78.66 0:0:0:0:0:ffff:42db:4e42
66.219.78.67 0:0:0:0:0:ffff:42db:4e43
66.219.78.68 0:0:0:0:0:ffff:42db:4e44
66.219.78.69 0:0:0:0:0:ffff:42db:4e45
66.219.78.70 0:0:0:0:0:ffff:42db:4e46
66.219.78.71 0:0:0:0:0:ffff:42db:4e47
66.219.78.72 0:0:0:0:0:ffff:42db:4e48
66.219.78.73 0:0:0:0:0:ffff:42db:4e49
66.219.78.74 0:0:0:0:0:ffff:42db:4e4a
66.219.78.75 0:0:0:0:0:ffff:42db:4e4b
66.219.78.76 0:0:0:0:0:ffff:42db:4e4c
66.219.78.77 0:0:0:0:0:ffff:42db:4e4d
66.219.78.78 0:0:0:0:0:ffff:42db:4e4e
66.219.78.79 0:0:0:0:0:ffff:42db:4e4f
66.219.78.80 0:0:0:0:0:ffff:42db:4e50
66.219.78.81 0:0:0:0:0:ffff:42db:4e51
66.219.78.82 0:0:0:0:0:ffff:42db:4e52
66.219.78.83 0:0:0:0:0:ffff:42db:4e53
66.219.78.84 0:0:0:0:0:ffff:42db:4e54
66.219.78.85 0:0:0:0:0:ffff:42db:4e55
66.219.78.86 0:0:0:0:0:ffff:42db:4e56
66.219.78.87 0:0:0:0:0:ffff:42db:4e57
66.219.78.88 0:0:0:0:0:ffff:42db:4e58
66.219.78.89 0:0:0:0:0:ffff:42db:4e59
66.219.78.90 0:0:0:0:0:ffff:42db:4e5a
66.219.78.91 0:0:0:0:0:ffff:42db:4e5b
66.219.78.92 0:0:0:0:0:ffff:42db:4e5c
66.219.78.93 0:0:0:0:0:ffff:42db:4e5d
66.219.78.94 0:0:0:0:0:ffff:42db:4e5e
66.219.78.95 0:0:0:0:0:ffff:42db:4e5f
66.219.78.96 0:0:0:0:0:ffff:42db:4e60
66.219.78.97 0:0:0:0:0:ffff:42db:4e61
66.219.78.98 0:0:0:0:0:ffff:42db:4e62
66.219.78.99 0:0:0:0:0:ffff:42db:4e63
66.219.78.100 0:0:0:0:0:ffff:42db:4e64
66.219.78.101 0:0:0:0:0:ffff:42db:4e65
66.219.78.102 0:0:0:0:0:ffff:42db:4e66
66.219.78.103 0:0:0:0:0:ffff:42db:4e67
66.219.78.104 0:0:0:0:0:ffff:42db:4e68
66.219.78.105 0:0:0:0:0:ffff:42db:4e69
66.219.78.106 0:0:0:0:0:ffff:42db:4e6a
66.219.78.107 0:0:0:0:0:ffff:42db:4e6b
66.219.78.108 0:0:0:0:0:ffff:42db:4e6c
66.219.78.109 0:0:0:0:0:ffff:42db:4e6d
66.219.78.110 0:0:0:0:0:ffff:42db:4e6e
66.219.78.111 0:0:0:0:0:ffff:42db:4e6f
66.219.78.112 0:0:0:0:0:ffff:42db:4e70
66.219.78.113 0:0:0:0:0:ffff:42db:4e71
66.219.78.114 0:0:0:0:0:ffff:42db:4e72
66.219.78.115 0:0:0:0:0:ffff:42db:4e73
66.219.78.116 0:0:0:0:0:ffff:42db:4e74
66.219.78.117 0:0:0:0:0:ffff:42db:4e75
66.219.78.118 0:0:0:0:0:ffff:42db:4e76
66.219.78.119 0:0:0:0:0:ffff:42db:4e77
66.219.78.120 0:0:0:0:0:ffff:42db:4e78


66.219.78.121 0:0:0:0:0:ffff:42db:4e79
66.219.78.122 0:0:0:0:0:ffff:42db:4e7a
66.219.78.123 0:0:0:0:0:ffff:42db:4e7b
66.219.78.124 0:0:0:0:0:ffff:42db:4e7c
66.219.78.125 0:0:0:0:0:ffff:42db:4e7d
66.219.78.126 0:0:0:0:0:ffff:42db:4e7e
66.219.78.127 0:0:0:0:0:ffff:42db:4e7f
66.219.78.128 0:0:0:0:0:ffff:42db:4e80
66.219.78.129 0:0:0:0:0:ffff:42db:4e81
66.219.78.130 0:0:0:0:0:ffff:42db:4e82
66.219.78.131 0:0:0:0:0:ffff:42db:4e83
66.219.78.132 0:0:0:0:0:ffff:42db:4e84
66.219.78.133 0:0:0:0:0:ffff:42db:4e85
66.219.78.134 0:0:0:0:0:ffff:42db:4e86
66.219.78.135 0:0:0:0:0:ffff:42db:4e87
66.219.78.136 0:0:0:0:0:ffff:42db:4e88
66.219.78.137 0:0:0:0:0:ffff:42db:4e89
66.219.78.138 0:0:0:0:0:ffff:42db:4e8a
66.219.78.139 0:0:0:0:0:ffff:42db:4e8b
66.219.78.140 0:0:0:0:0:ffff:42db:4e8c
66.219.78.141 0:0:0:0:0:ffff:42db:4e8d
66.219.78.142 0:0:0:0:0:ffff:42db:4e8e
66.219.78.143 0:0:0:0:0:ffff:42db:4e8f
66.219.78.144 0:0:0:0:0:ffff:42db:4e90
66.219.78.145 0:0:0:0:0:ffff:42db:4e91
66.219.78.146 0:0:0:0:0:ffff:42db:4e92
66.219.78.147 0:0:0:0:0:ffff:42db:4e93
66.219.78.148 0:0:0:0:0:ffff:42db:4e94
66.219.78.149 0:0:0:0:0:ffff:42db:4e95
66.219.78.150 0:0:0:0:0:ffff:42db:4e96
66.219.78.151 0:0:0:0:0:ffff:42db:4e97
66.219.78.152 0:0:0:0:0:ffff:42db:4e98
66.219.78.153 0:0:0:0:0:ffff:42db:4e99
66.219.78.154 0:0:0:0:0:ffff:42db:4e9a
66.219.78.155 0:0:0:0:0:ffff:42db:4e9b
66.219.78.156 0:0:0:0:0:ffff:42db:4e9c
66.219.78.157 0:0:0:0:0:ffff:42db:4e9d
66.219.78.158 0:0:0:0:0:ffff:42db:4e9e
66.219.78.159 0:0:0:0:0:ffff:42db:4e9f
66.219.78.160 0:0:0:0:0:ffff:42db:4ea0
66.219.78.161 0:0:0:0:0:ffff:42db:4ea1
66.219.78.162 0:0:0:0:0:ffff:42db:4ea2
66.219.78.163 0:0:0:0:0:ffff:42db:4ea3
66.219.78.164 0:0:0:0:0:ffff:42db:4ea4
66.219.78.165 0:0:0:0:0:ffff:42db:4ea5
66.219.78.166 0:0:0:0:0:ffff:42db:4ea6
66.219.78.167 0:0:0:0:0:ffff:42db:4ea7
66.219.78.168 0:0:0:0:0:ffff:42db:4ea8
66.219.78.169 0:0:0:0:0:ffff:42db:4ea9
66.219.78.170 0:0:0:0:0:ffff:42db:4eaa
66.219.78.171 0:0:0:0:0:ffff:42db:4eab
66.219.78.172 0:0:0:0:0:ffff:42db:4eac
66.219.78.173 0:0:0:0:0:ffff:42db:4ead
66.219.78.174 0:0:0:0:0:ffff:42db:4eae
66.219.78.175 0:0:0:0:0:ffff:42db:4eaf
66.219.78.176 0:0:0:0:0:ffff:42db:4eb0
66.219.78.177 0:0:0:0:0:ffff:42db:4eb1
66.219.78.178 0:0:0:0:0:ffff:42db:4eb2
66.219.78.179 0:0:0:0:0:ffff:42db:4eb3
66.219.78.180 0:0:0:0:0:ffff:42db:4eb4


66.219.78.181 0:0:0:0:0:ffff:42db:4eb5
66.219.78.182 0:0:0:0:0:ffff:42db:4eb6
66.219.78.183 0:0:0:0:0:ffff:42db:4eb7
66.219.78.184 0:0:0:0:0:ffff:42db:4eb8
66.219.78.185 0:0:0:0:0:ffff:42db:4eb9
66.219.78.186 0:0:0:0:0:ffff:42db:4eba
66.219.78.187 0:0:0:0:0:ffff:42db:4ebb
66.219.78.188 0:0:0:0:0:ffff:42db:4ebc
66.219.78.189 0:0:0:0:0:ffff:42db:4ebd
66.219.78.190 0:0:0:0:0:ffff:42db:4ebe
66.219.78.191 0:0:0:0:0:ffff:42db:4ebf
66.219.78.192 0:0:0:0:0:ffff:42db:4ec0
66.219.78.193 0:0:0:0:0:ffff:42db:4ec1
66.219.78.194 0:0:0:0:0:ffff:42db:4ec2
66.219.78.195 0:0:0:0:0:ffff:42db:4ec3
66.219.78.196 0:0:0:0:0:ffff:42db:4ec4
66.219.78.197 0:0:0:0:0:ffff:42db:4ec5
66.219.78.198 0:0:0:0:0:ffff:42db:4ec6
66.219.78.199 0:0:0:0:0:ffff:42db:4ec7
66.219.78.200 0:0:0:0:0:ffff:42db:4ec8
66.219.78.201 0:0:0:0:0:ffff:42db:4ec9
66.219.78.202 0:0:0:0:0:ffff:42db:4eca
66.219.78.203 0:0:0:0:0:ffff:42db:4ecb
66.219.78.204 0:0:0:0:0:ffff:42db:4ecc
66.219.78.205 0:0:0:0:0:ffff:42db:4ecd
66.219.78.206 0:0:0:0:0:ffff:42db:4ece
66.219.78.207 0:0:0:0:0:ffff:42db:4ecf
66.219.78.208 0:0:0:0:0:ffff:42db:4ed0
66.219.78.209 0:0:0:0:0:ffff:42db:4ed1
66.219.78.210 0:0:0:0:0:ffff:42db:4ed2
66.219.78.211 0:0:0:0:0:ffff:42db:4ed3
66.219.78.212 0:0:0:0:0:ffff:42db:4ed4
66.219.78.213 0:0:0:0:0:ffff:42db:4ed5
66.219.78.214 0:0:0:0:0:ffff:42db:4ed6
66.219.78.215 0:0:0:0:0:ffff:42db:4ed7
66.219.78.216 0:0:0:0:0:ffff:42db:4ed8
66.219.78.217 0:0:0:0:0:ffff:42db:4ed9
66.219.78.218 0:0:0:0:0:ffff:42db:4eda
66.219.78.219 0:0:0:0:0:ffff:42db:4edb
66.219.78.220 0:0:0:0:0:ffff:42db:4edc
66.219.78.221 0:0:0:0:0:ffff:42db:4edd
66.219.78.222 0:0:0:0:0:ffff:42db:4ede
66.219.78.223 0:0:0:0:0:ffff:42db:4edf
66.219.78.224 0:0:0:0:0:ffff:42db:4ee0
66.219.78.225 0:0:0:0:0:ffff:42db:4ee1
66.219.78.226 0:0:0:0:0:ffff:42db:4ee2
66.219.78.227 0:0:0:0:0:ffff:42db:4ee3
66.219.78.228 0:0:0:0:0:ffff:42db:4ee4
66.219.78.229 0:0:0:0:0:ffff:42db:4ee5
66.219.78.230 0:0:0:0:0:ffff:42db:4ee6
66.219.78.231 0:0:0:0:0:ffff:42db:4ee7
66.219.78.232 0:0:0:0:0:ffff:42db:4ee8
66.219.78.233 0:0:0:0:0:ffff:42db:4ee9
66.219.78.234 0:0:0:0:0:ffff:42db:4eea
66.219.78.235 0:0:0:0:0:ffff:42db:4eeb
66.219.78.236 0:0:0:0:0:ffff:42db:4eec
66.219.78.237 0:0:0:0:0:ffff:42db:4eed
66.219.78.238 0:0:0:0:0:ffff:42db:4eee
66.219.78.239 0:0:0:0:0:ffff:42db:4eef
66.219.78.240 0:0:0:0:0:ffff:42db:4ef0
66.219.78.241 0:0:0:0:0:ffff:42db:4ef1
66.219.78.242 0:0:0:0:0:ffff:42db:4ef2
66.219.78.243 0:0:0:0:0:ffff:42db:4ef3
66.219.78.244 0:0:0:0:0:ffff:42db:4ef4
66.219.78.245 0:0:0:0:0:ffff:42db:4ef5
66.219.78.246 0:0:0:0:0:ffff:42db:4ef6
66.219.78.247 0:0:0:0:0:ffff:42db:4ef7
66.219.78.248 0:0:0:0:0:ffff:42db:4ef8
66.219.78.249 0:0:0:0:0:ffff:42db:4ef9
66.219.78.250 0:0:0:0:0:ffff:42db:4efa
66.219.78.251 0:0:0:0:0:ffff:42db:4efb
66.219.78.252 0:0:0:0:0:ffff:42db:4efc
66.219.78.253 0:0:0:0:0:ffff:42db:4efd
66.219.78.254 0:0:0:0:0:ffff:42db:4efe
66.219.78.255 0:0:0:0:0:ffff:42db: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.