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
100.178.78.1 0:0:0:0:0:ffff:64b2:4e01
100.178.78.2 0:0:0:0:0:ffff:64b2:4e02
100.178.78.3 0:0:0:0:0:ffff:64b2:4e03
100.178.78.4 0:0:0:0:0:ffff:64b2:4e04
100.178.78.5 0:0:0:0:0:ffff:64b2:4e05
100.178.78.6 0:0:0:0:0:ffff:64b2:4e06
100.178.78.7 0:0:0:0:0:ffff:64b2:4e07
100.178.78.8 0:0:0:0:0:ffff:64b2:4e08
100.178.78.9 0:0:0:0:0:ffff:64b2:4e09
100.178.78.10 0:0:0:0:0:ffff:64b2:4e0a
100.178.78.11 0:0:0:0:0:ffff:64b2:4e0b
100.178.78.12 0:0:0:0:0:ffff:64b2:4e0c
100.178.78.13 0:0:0:0:0:ffff:64b2:4e0d
100.178.78.14 0:0:0:0:0:ffff:64b2:4e0e
100.178.78.15 0:0:0:0:0:ffff:64b2:4e0f
100.178.78.16 0:0:0:0:0:ffff:64b2:4e10
100.178.78.17 0:0:0:0:0:ffff:64b2:4e11
100.178.78.18 0:0:0:0:0:ffff:64b2:4e12
100.178.78.19 0:0:0:0:0:ffff:64b2:4e13
100.178.78.20 0:0:0:0:0:ffff:64b2:4e14
100.178.78.21 0:0:0:0:0:ffff:64b2:4e15
100.178.78.22 0:0:0:0:0:ffff:64b2:4e16
100.178.78.23 0:0:0:0:0:ffff:64b2:4e17
100.178.78.24 0:0:0:0:0:ffff:64b2:4e18
100.178.78.25 0:0:0:0:0:ffff:64b2:4e19
100.178.78.26 0:0:0:0:0:ffff:64b2:4e1a
100.178.78.27 0:0:0:0:0:ffff:64b2:4e1b
100.178.78.28 0:0:0:0:0:ffff:64b2:4e1c
100.178.78.29 0:0:0:0:0:ffff:64b2:4e1d
100.178.78.30 0:0:0:0:0:ffff:64b2:4e1e
100.178.78.31 0:0:0:0:0:ffff:64b2:4e1f
100.178.78.32 0:0:0:0:0:ffff:64b2:4e20
100.178.78.33 0:0:0:0:0:ffff:64b2:4e21
100.178.78.34 0:0:0:0:0:ffff:64b2:4e22
100.178.78.35 0:0:0:0:0:ffff:64b2:4e23
100.178.78.36 0:0:0:0:0:ffff:64b2:4e24
100.178.78.37 0:0:0:0:0:ffff:64b2:4e25
100.178.78.38 0:0:0:0:0:ffff:64b2:4e26
100.178.78.39 0:0:0:0:0:ffff:64b2:4e27
100.178.78.40 0:0:0:0:0:ffff:64b2:4e28
100.178.78.41 0:0:0:0:0:ffff:64b2:4e29
100.178.78.42 0:0:0:0:0:ffff:64b2:4e2a
100.178.78.43 0:0:0:0:0:ffff:64b2:4e2b
100.178.78.44 0:0:0:0:0:ffff:64b2:4e2c
100.178.78.45 0:0:0:0:0:ffff:64b2:4e2d
100.178.78.46 0:0:0:0:0:ffff:64b2:4e2e
100.178.78.47 0:0:0:0:0:ffff:64b2:4e2f
100.178.78.48 0:0:0:0:0:ffff:64b2:4e30
100.178.78.49 0:0:0:0:0:ffff:64b2:4e31
100.178.78.50 0:0:0:0:0:ffff:64b2:4e32
100.178.78.51 0:0:0:0:0:ffff:64b2:4e33
100.178.78.52 0:0:0:0:0:ffff:64b2:4e34
100.178.78.53 0:0:0:0:0:ffff:64b2:4e35
100.178.78.54 0:0:0:0:0:ffff:64b2:4e36
100.178.78.55 0:0:0:0:0:ffff:64b2:4e37
100.178.78.56 0:0:0:0:0:ffff:64b2:4e38
100.178.78.57 0:0:0:0:0:ffff:64b2:4e39
100.178.78.58 0:0:0:0:0:ffff:64b2:4e3a
100.178.78.59 0:0:0:0:0:ffff:64b2:4e3b
100.178.78.60 0:0:0:0:0:ffff:64b2:4e3c


100.178.78.61 0:0:0:0:0:ffff:64b2:4e3d
100.178.78.62 0:0:0:0:0:ffff:64b2:4e3e
100.178.78.63 0:0:0:0:0:ffff:64b2:4e3f
100.178.78.64 0:0:0:0:0:ffff:64b2:4e40
100.178.78.65 0:0:0:0:0:ffff:64b2:4e41
100.178.78.66 0:0:0:0:0:ffff:64b2:4e42
100.178.78.67 0:0:0:0:0:ffff:64b2:4e43
100.178.78.68 0:0:0:0:0:ffff:64b2:4e44
100.178.78.69 0:0:0:0:0:ffff:64b2:4e45
100.178.78.70 0:0:0:0:0:ffff:64b2:4e46
100.178.78.71 0:0:0:0:0:ffff:64b2:4e47
100.178.78.72 0:0:0:0:0:ffff:64b2:4e48
100.178.78.73 0:0:0:0:0:ffff:64b2:4e49
100.178.78.74 0:0:0:0:0:ffff:64b2:4e4a
100.178.78.75 0:0:0:0:0:ffff:64b2:4e4b
100.178.78.76 0:0:0:0:0:ffff:64b2:4e4c
100.178.78.77 0:0:0:0:0:ffff:64b2:4e4d
100.178.78.78 0:0:0:0:0:ffff:64b2:4e4e
100.178.78.79 0:0:0:0:0:ffff:64b2:4e4f
100.178.78.80 0:0:0:0:0:ffff:64b2:4e50
100.178.78.81 0:0:0:0:0:ffff:64b2:4e51
100.178.78.82 0:0:0:0:0:ffff:64b2:4e52
100.178.78.83 0:0:0:0:0:ffff:64b2:4e53
100.178.78.84 0:0:0:0:0:ffff:64b2:4e54
100.178.78.85 0:0:0:0:0:ffff:64b2:4e55
100.178.78.86 0:0:0:0:0:ffff:64b2:4e56
100.178.78.87 0:0:0:0:0:ffff:64b2:4e57
100.178.78.88 0:0:0:0:0:ffff:64b2:4e58
100.178.78.89 0:0:0:0:0:ffff:64b2:4e59
100.178.78.90 0:0:0:0:0:ffff:64b2:4e5a
100.178.78.91 0:0:0:0:0:ffff:64b2:4e5b
100.178.78.92 0:0:0:0:0:ffff:64b2:4e5c
100.178.78.93 0:0:0:0:0:ffff:64b2:4e5d
100.178.78.94 0:0:0:0:0:ffff:64b2:4e5e
100.178.78.95 0:0:0:0:0:ffff:64b2:4e5f
100.178.78.96 0:0:0:0:0:ffff:64b2:4e60
100.178.78.97 0:0:0:0:0:ffff:64b2:4e61
100.178.78.98 0:0:0:0:0:ffff:64b2:4e62
100.178.78.99 0:0:0:0:0:ffff:64b2:4e63
100.178.78.100 0:0:0:0:0:ffff:64b2:4e64
100.178.78.101 0:0:0:0:0:ffff:64b2:4e65
100.178.78.102 0:0:0:0:0:ffff:64b2:4e66
100.178.78.103 0:0:0:0:0:ffff:64b2:4e67
100.178.78.104 0:0:0:0:0:ffff:64b2:4e68
100.178.78.105 0:0:0:0:0:ffff:64b2:4e69
100.178.78.106 0:0:0:0:0:ffff:64b2:4e6a
100.178.78.107 0:0:0:0:0:ffff:64b2:4e6b
100.178.78.108 0:0:0:0:0:ffff:64b2:4e6c
100.178.78.109 0:0:0:0:0:ffff:64b2:4e6d
100.178.78.110 0:0:0:0:0:ffff:64b2:4e6e
100.178.78.111 0:0:0:0:0:ffff:64b2:4e6f
100.178.78.112 0:0:0:0:0:ffff:64b2:4e70
100.178.78.113 0:0:0:0:0:ffff:64b2:4e71
100.178.78.114 0:0:0:0:0:ffff:64b2:4e72
100.178.78.115 0:0:0:0:0:ffff:64b2:4e73
100.178.78.116 0:0:0:0:0:ffff:64b2:4e74
100.178.78.117 0:0:0:0:0:ffff:64b2:4e75
100.178.78.118 0:0:0:0:0:ffff:64b2:4e76
100.178.78.119 0:0:0:0:0:ffff:64b2:4e77
100.178.78.120 0:0:0:0:0:ffff:64b2:4e78


100.178.78.121 0:0:0:0:0:ffff:64b2:4e79
100.178.78.122 0:0:0:0:0:ffff:64b2:4e7a
100.178.78.123 0:0:0:0:0:ffff:64b2:4e7b
100.178.78.124 0:0:0:0:0:ffff:64b2:4e7c
100.178.78.125 0:0:0:0:0:ffff:64b2:4e7d
100.178.78.126 0:0:0:0:0:ffff:64b2:4e7e
100.178.78.127 0:0:0:0:0:ffff:64b2:4e7f
100.178.78.128 0:0:0:0:0:ffff:64b2:4e80
100.178.78.129 0:0:0:0:0:ffff:64b2:4e81
100.178.78.130 0:0:0:0:0:ffff:64b2:4e82
100.178.78.131 0:0:0:0:0:ffff:64b2:4e83
100.178.78.132 0:0:0:0:0:ffff:64b2:4e84
100.178.78.133 0:0:0:0:0:ffff:64b2:4e85
100.178.78.134 0:0:0:0:0:ffff:64b2:4e86
100.178.78.135 0:0:0:0:0:ffff:64b2:4e87
100.178.78.136 0:0:0:0:0:ffff:64b2:4e88
100.178.78.137 0:0:0:0:0:ffff:64b2:4e89
100.178.78.138 0:0:0:0:0:ffff:64b2:4e8a
100.178.78.139 0:0:0:0:0:ffff:64b2:4e8b
100.178.78.140 0:0:0:0:0:ffff:64b2:4e8c
100.178.78.141 0:0:0:0:0:ffff:64b2:4e8d
100.178.78.142 0:0:0:0:0:ffff:64b2:4e8e
100.178.78.143 0:0:0:0:0:ffff:64b2:4e8f
100.178.78.144 0:0:0:0:0:ffff:64b2:4e90
100.178.78.145 0:0:0:0:0:ffff:64b2:4e91
100.178.78.146 0:0:0:0:0:ffff:64b2:4e92
100.178.78.147 0:0:0:0:0:ffff:64b2:4e93
100.178.78.148 0:0:0:0:0:ffff:64b2:4e94
100.178.78.149 0:0:0:0:0:ffff:64b2:4e95
100.178.78.150 0:0:0:0:0:ffff:64b2:4e96
100.178.78.151 0:0:0:0:0:ffff:64b2:4e97
100.178.78.152 0:0:0:0:0:ffff:64b2:4e98
100.178.78.153 0:0:0:0:0:ffff:64b2:4e99
100.178.78.154 0:0:0:0:0:ffff:64b2:4e9a
100.178.78.155 0:0:0:0:0:ffff:64b2:4e9b
100.178.78.156 0:0:0:0:0:ffff:64b2:4e9c
100.178.78.157 0:0:0:0:0:ffff:64b2:4e9d
100.178.78.158 0:0:0:0:0:ffff:64b2:4e9e
100.178.78.159 0:0:0:0:0:ffff:64b2:4e9f
100.178.78.160 0:0:0:0:0:ffff:64b2:4ea0
100.178.78.161 0:0:0:0:0:ffff:64b2:4ea1
100.178.78.162 0:0:0:0:0:ffff:64b2:4ea2
100.178.78.163 0:0:0:0:0:ffff:64b2:4ea3
100.178.78.164 0:0:0:0:0:ffff:64b2:4ea4
100.178.78.165 0:0:0:0:0:ffff:64b2:4ea5
100.178.78.166 0:0:0:0:0:ffff:64b2:4ea6
100.178.78.167 0:0:0:0:0:ffff:64b2:4ea7
100.178.78.168 0:0:0:0:0:ffff:64b2:4ea8
100.178.78.169 0:0:0:0:0:ffff:64b2:4ea9
100.178.78.170 0:0:0:0:0:ffff:64b2:4eaa
100.178.78.171 0:0:0:0:0:ffff:64b2:4eab
100.178.78.172 0:0:0:0:0:ffff:64b2:4eac
100.178.78.173 0:0:0:0:0:ffff:64b2:4ead
100.178.78.174 0:0:0:0:0:ffff:64b2:4eae
100.178.78.175 0:0:0:0:0:ffff:64b2:4eaf
100.178.78.176 0:0:0:0:0:ffff:64b2:4eb0
100.178.78.177 0:0:0:0:0:ffff:64b2:4eb1
100.178.78.178 0:0:0:0:0:ffff:64b2:4eb2
100.178.78.179 0:0:0:0:0:ffff:64b2:4eb3
100.178.78.180 0:0:0:0:0:ffff:64b2:4eb4


100.178.78.181 0:0:0:0:0:ffff:64b2:4eb5
100.178.78.182 0:0:0:0:0:ffff:64b2:4eb6
100.178.78.183 0:0:0:0:0:ffff:64b2:4eb7
100.178.78.184 0:0:0:0:0:ffff:64b2:4eb8
100.178.78.185 0:0:0:0:0:ffff:64b2:4eb9
100.178.78.186 0:0:0:0:0:ffff:64b2:4eba
100.178.78.187 0:0:0:0:0:ffff:64b2:4ebb
100.178.78.188 0:0:0:0:0:ffff:64b2:4ebc
100.178.78.189 0:0:0:0:0:ffff:64b2:4ebd
100.178.78.190 0:0:0:0:0:ffff:64b2:4ebe
100.178.78.191 0:0:0:0:0:ffff:64b2:4ebf
100.178.78.192 0:0:0:0:0:ffff:64b2:4ec0
100.178.78.193 0:0:0:0:0:ffff:64b2:4ec1
100.178.78.194 0:0:0:0:0:ffff:64b2:4ec2
100.178.78.195 0:0:0:0:0:ffff:64b2:4ec3
100.178.78.196 0:0:0:0:0:ffff:64b2:4ec4
100.178.78.197 0:0:0:0:0:ffff:64b2:4ec5
100.178.78.198 0:0:0:0:0:ffff:64b2:4ec6
100.178.78.199 0:0:0:0:0:ffff:64b2:4ec7
100.178.78.200 0:0:0:0:0:ffff:64b2:4ec8
100.178.78.201 0:0:0:0:0:ffff:64b2:4ec9
100.178.78.202 0:0:0:0:0:ffff:64b2:4eca
100.178.78.203 0:0:0:0:0:ffff:64b2:4ecb
100.178.78.204 0:0:0:0:0:ffff:64b2:4ecc
100.178.78.205 0:0:0:0:0:ffff:64b2:4ecd
100.178.78.206 0:0:0:0:0:ffff:64b2:4ece
100.178.78.207 0:0:0:0:0:ffff:64b2:4ecf
100.178.78.208 0:0:0:0:0:ffff:64b2:4ed0
100.178.78.209 0:0:0:0:0:ffff:64b2:4ed1
100.178.78.210 0:0:0:0:0:ffff:64b2:4ed2
100.178.78.211 0:0:0:0:0:ffff:64b2:4ed3
100.178.78.212 0:0:0:0:0:ffff:64b2:4ed4
100.178.78.213 0:0:0:0:0:ffff:64b2:4ed5
100.178.78.214 0:0:0:0:0:ffff:64b2:4ed6
100.178.78.215 0:0:0:0:0:ffff:64b2:4ed7
100.178.78.216 0:0:0:0:0:ffff:64b2:4ed8
100.178.78.217 0:0:0:0:0:ffff:64b2:4ed9
100.178.78.218 0:0:0:0:0:ffff:64b2:4eda
100.178.78.219 0:0:0:0:0:ffff:64b2:4edb
100.178.78.220 0:0:0:0:0:ffff:64b2:4edc
100.178.78.221 0:0:0:0:0:ffff:64b2:4edd
100.178.78.222 0:0:0:0:0:ffff:64b2:4ede
100.178.78.223 0:0:0:0:0:ffff:64b2:4edf
100.178.78.224 0:0:0:0:0:ffff:64b2:4ee0
100.178.78.225 0:0:0:0:0:ffff:64b2:4ee1
100.178.78.226 0:0:0:0:0:ffff:64b2:4ee2
100.178.78.227 0:0:0:0:0:ffff:64b2:4ee3
100.178.78.228 0:0:0:0:0:ffff:64b2:4ee4
100.178.78.229 0:0:0:0:0:ffff:64b2:4ee5
100.178.78.230 0:0:0:0:0:ffff:64b2:4ee6
100.178.78.231 0:0:0:0:0:ffff:64b2:4ee7
100.178.78.232 0:0:0:0:0:ffff:64b2:4ee8
100.178.78.233 0:0:0:0:0:ffff:64b2:4ee9
100.178.78.234 0:0:0:0:0:ffff:64b2:4eea
100.178.78.235 0:0:0:0:0:ffff:64b2:4eeb
100.178.78.236 0:0:0:0:0:ffff:64b2:4eec
100.178.78.237 0:0:0:0:0:ffff:64b2:4eed
100.178.78.238 0:0:0:0:0:ffff:64b2:4eee
100.178.78.239 0:0:0:0:0:ffff:64b2:4eef
100.178.78.240 0:0:0:0:0:ffff:64b2:4ef0
100.178.78.241 0:0:0:0:0:ffff:64b2:4ef1
100.178.78.242 0:0:0:0:0:ffff:64b2:4ef2
100.178.78.243 0:0:0:0:0:ffff:64b2:4ef3
100.178.78.244 0:0:0:0:0:ffff:64b2:4ef4
100.178.78.245 0:0:0:0:0:ffff:64b2:4ef5
100.178.78.246 0:0:0:0:0:ffff:64b2:4ef6
100.178.78.247 0:0:0:0:0:ffff:64b2:4ef7
100.178.78.248 0:0:0:0:0:ffff:64b2:4ef8
100.178.78.249 0:0:0:0:0:ffff:64b2:4ef9
100.178.78.250 0:0:0:0:0:ffff:64b2:4efa
100.178.78.251 0:0:0:0:0:ffff:64b2:4efb
100.178.78.252 0:0:0:0:0:ffff:64b2:4efc
100.178.78.253 0:0:0:0:0:ffff:64b2:4efd
100.178.78.254 0:0:0:0:0:ffff:64b2:4efe
100.178.78.255 0:0:0:0:0:ffff:64b2:4eff


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.