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
216.78.123.1 0:0:0:0:0:ffff:d84e:7b01
216.78.123.2 0:0:0:0:0:ffff:d84e:7b02
216.78.123.3 0:0:0:0:0:ffff:d84e:7b03
216.78.123.4 0:0:0:0:0:ffff:d84e:7b04
216.78.123.5 0:0:0:0:0:ffff:d84e:7b05
216.78.123.6 0:0:0:0:0:ffff:d84e:7b06
216.78.123.7 0:0:0:0:0:ffff:d84e:7b07
216.78.123.8 0:0:0:0:0:ffff:d84e:7b08
216.78.123.9 0:0:0:0:0:ffff:d84e:7b09
216.78.123.10 0:0:0:0:0:ffff:d84e:7b0a
216.78.123.11 0:0:0:0:0:ffff:d84e:7b0b
216.78.123.12 0:0:0:0:0:ffff:d84e:7b0c
216.78.123.13 0:0:0:0:0:ffff:d84e:7b0d
216.78.123.14 0:0:0:0:0:ffff:d84e:7b0e
216.78.123.15 0:0:0:0:0:ffff:d84e:7b0f
216.78.123.16 0:0:0:0:0:ffff:d84e:7b10
216.78.123.17 0:0:0:0:0:ffff:d84e:7b11
216.78.123.18 0:0:0:0:0:ffff:d84e:7b12
216.78.123.19 0:0:0:0:0:ffff:d84e:7b13
216.78.123.20 0:0:0:0:0:ffff:d84e:7b14
216.78.123.21 0:0:0:0:0:ffff:d84e:7b15
216.78.123.22 0:0:0:0:0:ffff:d84e:7b16
216.78.123.23 0:0:0:0:0:ffff:d84e:7b17
216.78.123.24 0:0:0:0:0:ffff:d84e:7b18
216.78.123.25 0:0:0:0:0:ffff:d84e:7b19
216.78.123.26 0:0:0:0:0:ffff:d84e:7b1a
216.78.123.27 0:0:0:0:0:ffff:d84e:7b1b
216.78.123.28 0:0:0:0:0:ffff:d84e:7b1c
216.78.123.29 0:0:0:0:0:ffff:d84e:7b1d
216.78.123.30 0:0:0:0:0:ffff:d84e:7b1e
216.78.123.31 0:0:0:0:0:ffff:d84e:7b1f
216.78.123.32 0:0:0:0:0:ffff:d84e:7b20
216.78.123.33 0:0:0:0:0:ffff:d84e:7b21
216.78.123.34 0:0:0:0:0:ffff:d84e:7b22
216.78.123.35 0:0:0:0:0:ffff:d84e:7b23
216.78.123.36 0:0:0:0:0:ffff:d84e:7b24
216.78.123.37 0:0:0:0:0:ffff:d84e:7b25
216.78.123.38 0:0:0:0:0:ffff:d84e:7b26
216.78.123.39 0:0:0:0:0:ffff:d84e:7b27
216.78.123.40 0:0:0:0:0:ffff:d84e:7b28
216.78.123.41 0:0:0:0:0:ffff:d84e:7b29
216.78.123.42 0:0:0:0:0:ffff:d84e:7b2a
216.78.123.43 0:0:0:0:0:ffff:d84e:7b2b
216.78.123.44 0:0:0:0:0:ffff:d84e:7b2c
216.78.123.45 0:0:0:0:0:ffff:d84e:7b2d
216.78.123.46 0:0:0:0:0:ffff:d84e:7b2e
216.78.123.47 0:0:0:0:0:ffff:d84e:7b2f
216.78.123.48 0:0:0:0:0:ffff:d84e:7b30
216.78.123.49 0:0:0:0:0:ffff:d84e:7b31
216.78.123.50 0:0:0:0:0:ffff:d84e:7b32
216.78.123.51 0:0:0:0:0:ffff:d84e:7b33
216.78.123.52 0:0:0:0:0:ffff:d84e:7b34
216.78.123.53 0:0:0:0:0:ffff:d84e:7b35
216.78.123.54 0:0:0:0:0:ffff:d84e:7b36
216.78.123.55 0:0:0:0:0:ffff:d84e:7b37
216.78.123.56 0:0:0:0:0:ffff:d84e:7b38
216.78.123.57 0:0:0:0:0:ffff:d84e:7b39
216.78.123.58 0:0:0:0:0:ffff:d84e:7b3a
216.78.123.59 0:0:0:0:0:ffff:d84e:7b3b
216.78.123.60 0:0:0:0:0:ffff:d84e:7b3c


216.78.123.61 0:0:0:0:0:ffff:d84e:7b3d
216.78.123.62 0:0:0:0:0:ffff:d84e:7b3e
216.78.123.63 0:0:0:0:0:ffff:d84e:7b3f
216.78.123.64 0:0:0:0:0:ffff:d84e:7b40
216.78.123.65 0:0:0:0:0:ffff:d84e:7b41
216.78.123.66 0:0:0:0:0:ffff:d84e:7b42
216.78.123.67 0:0:0:0:0:ffff:d84e:7b43
216.78.123.68 0:0:0:0:0:ffff:d84e:7b44
216.78.123.69 0:0:0:0:0:ffff:d84e:7b45
216.78.123.70 0:0:0:0:0:ffff:d84e:7b46
216.78.123.71 0:0:0:0:0:ffff:d84e:7b47
216.78.123.72 0:0:0:0:0:ffff:d84e:7b48
216.78.123.73 0:0:0:0:0:ffff:d84e:7b49
216.78.123.74 0:0:0:0:0:ffff:d84e:7b4a
216.78.123.75 0:0:0:0:0:ffff:d84e:7b4b
216.78.123.76 0:0:0:0:0:ffff:d84e:7b4c
216.78.123.77 0:0:0:0:0:ffff:d84e:7b4d
216.78.123.78 0:0:0:0:0:ffff:d84e:7b4e
216.78.123.79 0:0:0:0:0:ffff:d84e:7b4f
216.78.123.80 0:0:0:0:0:ffff:d84e:7b50
216.78.123.81 0:0:0:0:0:ffff:d84e:7b51
216.78.123.82 0:0:0:0:0:ffff:d84e:7b52
216.78.123.83 0:0:0:0:0:ffff:d84e:7b53
216.78.123.84 0:0:0:0:0:ffff:d84e:7b54
216.78.123.85 0:0:0:0:0:ffff:d84e:7b55
216.78.123.86 0:0:0:0:0:ffff:d84e:7b56
216.78.123.87 0:0:0:0:0:ffff:d84e:7b57
216.78.123.88 0:0:0:0:0:ffff:d84e:7b58
216.78.123.89 0:0:0:0:0:ffff:d84e:7b59
216.78.123.90 0:0:0:0:0:ffff:d84e:7b5a
216.78.123.91 0:0:0:0:0:ffff:d84e:7b5b
216.78.123.92 0:0:0:0:0:ffff:d84e:7b5c
216.78.123.93 0:0:0:0:0:ffff:d84e:7b5d
216.78.123.94 0:0:0:0:0:ffff:d84e:7b5e
216.78.123.95 0:0:0:0:0:ffff:d84e:7b5f
216.78.123.96 0:0:0:0:0:ffff:d84e:7b60
216.78.123.97 0:0:0:0:0:ffff:d84e:7b61
216.78.123.98 0:0:0:0:0:ffff:d84e:7b62
216.78.123.99 0:0:0:0:0:ffff:d84e:7b63
216.78.123.100 0:0:0:0:0:ffff:d84e:7b64
216.78.123.101 0:0:0:0:0:ffff:d84e:7b65
216.78.123.102 0:0:0:0:0:ffff:d84e:7b66
216.78.123.103 0:0:0:0:0:ffff:d84e:7b67
216.78.123.104 0:0:0:0:0:ffff:d84e:7b68
216.78.123.105 0:0:0:0:0:ffff:d84e:7b69
216.78.123.106 0:0:0:0:0:ffff:d84e:7b6a
216.78.123.107 0:0:0:0:0:ffff:d84e:7b6b
216.78.123.108 0:0:0:0:0:ffff:d84e:7b6c
216.78.123.109 0:0:0:0:0:ffff:d84e:7b6d
216.78.123.110 0:0:0:0:0:ffff:d84e:7b6e
216.78.123.111 0:0:0:0:0:ffff:d84e:7b6f
216.78.123.112 0:0:0:0:0:ffff:d84e:7b70
216.78.123.113 0:0:0:0:0:ffff:d84e:7b71
216.78.123.114 0:0:0:0:0:ffff:d84e:7b72
216.78.123.115 0:0:0:0:0:ffff:d84e:7b73
216.78.123.116 0:0:0:0:0:ffff:d84e:7b74
216.78.123.117 0:0:0:0:0:ffff:d84e:7b75
216.78.123.118 0:0:0:0:0:ffff:d84e:7b76
216.78.123.119 0:0:0:0:0:ffff:d84e:7b77
216.78.123.120 0:0:0:0:0:ffff:d84e:7b78


216.78.123.121 0:0:0:0:0:ffff:d84e:7b79
216.78.123.122 0:0:0:0:0:ffff:d84e:7b7a
216.78.123.123 0:0:0:0:0:ffff:d84e:7b7b
216.78.123.124 0:0:0:0:0:ffff:d84e:7b7c
216.78.123.125 0:0:0:0:0:ffff:d84e:7b7d
216.78.123.126 0:0:0:0:0:ffff:d84e:7b7e
216.78.123.127 0:0:0:0:0:ffff:d84e:7b7f
216.78.123.128 0:0:0:0:0:ffff:d84e:7b80
216.78.123.129 0:0:0:0:0:ffff:d84e:7b81
216.78.123.130 0:0:0:0:0:ffff:d84e:7b82
216.78.123.131 0:0:0:0:0:ffff:d84e:7b83
216.78.123.132 0:0:0:0:0:ffff:d84e:7b84
216.78.123.133 0:0:0:0:0:ffff:d84e:7b85
216.78.123.134 0:0:0:0:0:ffff:d84e:7b86
216.78.123.135 0:0:0:0:0:ffff:d84e:7b87
216.78.123.136 0:0:0:0:0:ffff:d84e:7b88
216.78.123.137 0:0:0:0:0:ffff:d84e:7b89
216.78.123.138 0:0:0:0:0:ffff:d84e:7b8a
216.78.123.139 0:0:0:0:0:ffff:d84e:7b8b
216.78.123.140 0:0:0:0:0:ffff:d84e:7b8c
216.78.123.141 0:0:0:0:0:ffff:d84e:7b8d
216.78.123.142 0:0:0:0:0:ffff:d84e:7b8e
216.78.123.143 0:0:0:0:0:ffff:d84e:7b8f
216.78.123.144 0:0:0:0:0:ffff:d84e:7b90
216.78.123.145 0:0:0:0:0:ffff:d84e:7b91
216.78.123.146 0:0:0:0:0:ffff:d84e:7b92
216.78.123.147 0:0:0:0:0:ffff:d84e:7b93
216.78.123.148 0:0:0:0:0:ffff:d84e:7b94
216.78.123.149 0:0:0:0:0:ffff:d84e:7b95
216.78.123.150 0:0:0:0:0:ffff:d84e:7b96
216.78.123.151 0:0:0:0:0:ffff:d84e:7b97
216.78.123.152 0:0:0:0:0:ffff:d84e:7b98
216.78.123.153 0:0:0:0:0:ffff:d84e:7b99
216.78.123.154 0:0:0:0:0:ffff:d84e:7b9a
216.78.123.155 0:0:0:0:0:ffff:d84e:7b9b
216.78.123.156 0:0:0:0:0:ffff:d84e:7b9c
216.78.123.157 0:0:0:0:0:ffff:d84e:7b9d
216.78.123.158 0:0:0:0:0:ffff:d84e:7b9e
216.78.123.159 0:0:0:0:0:ffff:d84e:7b9f
216.78.123.160 0:0:0:0:0:ffff:d84e:7ba0
216.78.123.161 0:0:0:0:0:ffff:d84e:7ba1
216.78.123.162 0:0:0:0:0:ffff:d84e:7ba2
216.78.123.163 0:0:0:0:0:ffff:d84e:7ba3
216.78.123.164 0:0:0:0:0:ffff:d84e:7ba4
216.78.123.165 0:0:0:0:0:ffff:d84e:7ba5
216.78.123.166 0:0:0:0:0:ffff:d84e:7ba6
216.78.123.167 0:0:0:0:0:ffff:d84e:7ba7
216.78.123.168 0:0:0:0:0:ffff:d84e:7ba8
216.78.123.169 0:0:0:0:0:ffff:d84e:7ba9
216.78.123.170 0:0:0:0:0:ffff:d84e:7baa
216.78.123.171 0:0:0:0:0:ffff:d84e:7bab
216.78.123.172 0:0:0:0:0:ffff:d84e:7bac
216.78.123.173 0:0:0:0:0:ffff:d84e:7bad
216.78.123.174 0:0:0:0:0:ffff:d84e:7bae
216.78.123.175 0:0:0:0:0:ffff:d84e:7baf
216.78.123.176 0:0:0:0:0:ffff:d84e:7bb0
216.78.123.177 0:0:0:0:0:ffff:d84e:7bb1
216.78.123.178 0:0:0:0:0:ffff:d84e:7bb2
216.78.123.179 0:0:0:0:0:ffff:d84e:7bb3
216.78.123.180 0:0:0:0:0:ffff:d84e:7bb4


216.78.123.181 0:0:0:0:0:ffff:d84e:7bb5
216.78.123.182 0:0:0:0:0:ffff:d84e:7bb6
216.78.123.183 0:0:0:0:0:ffff:d84e:7bb7
216.78.123.184 0:0:0:0:0:ffff:d84e:7bb8
216.78.123.185 0:0:0:0:0:ffff:d84e:7bb9
216.78.123.186 0:0:0:0:0:ffff:d84e:7bba
216.78.123.187 0:0:0:0:0:ffff:d84e:7bbb
216.78.123.188 0:0:0:0:0:ffff:d84e:7bbc
216.78.123.189 0:0:0:0:0:ffff:d84e:7bbd
216.78.123.190 0:0:0:0:0:ffff:d84e:7bbe
216.78.123.191 0:0:0:0:0:ffff:d84e:7bbf
216.78.123.192 0:0:0:0:0:ffff:d84e:7bc0
216.78.123.193 0:0:0:0:0:ffff:d84e:7bc1
216.78.123.194 0:0:0:0:0:ffff:d84e:7bc2
216.78.123.195 0:0:0:0:0:ffff:d84e:7bc3
216.78.123.196 0:0:0:0:0:ffff:d84e:7bc4
216.78.123.197 0:0:0:0:0:ffff:d84e:7bc5
216.78.123.198 0:0:0:0:0:ffff:d84e:7bc6
216.78.123.199 0:0:0:0:0:ffff:d84e:7bc7
216.78.123.200 0:0:0:0:0:ffff:d84e:7bc8
216.78.123.201 0:0:0:0:0:ffff:d84e:7bc9
216.78.123.202 0:0:0:0:0:ffff:d84e:7bca
216.78.123.203 0:0:0:0:0:ffff:d84e:7bcb
216.78.123.204 0:0:0:0:0:ffff:d84e:7bcc
216.78.123.205 0:0:0:0:0:ffff:d84e:7bcd
216.78.123.206 0:0:0:0:0:ffff:d84e:7bce
216.78.123.207 0:0:0:0:0:ffff:d84e:7bcf
216.78.123.208 0:0:0:0:0:ffff:d84e:7bd0
216.78.123.209 0:0:0:0:0:ffff:d84e:7bd1
216.78.123.210 0:0:0:0:0:ffff:d84e:7bd2
216.78.123.211 0:0:0:0:0:ffff:d84e:7bd3
216.78.123.212 0:0:0:0:0:ffff:d84e:7bd4
216.78.123.213 0:0:0:0:0:ffff:d84e:7bd5
216.78.123.214 0:0:0:0:0:ffff:d84e:7bd6
216.78.123.215 0:0:0:0:0:ffff:d84e:7bd7
216.78.123.216 0:0:0:0:0:ffff:d84e:7bd8
216.78.123.217 0:0:0:0:0:ffff:d84e:7bd9
216.78.123.218 0:0:0:0:0:ffff:d84e:7bda
216.78.123.219 0:0:0:0:0:ffff:d84e:7bdb
216.78.123.220 0:0:0:0:0:ffff:d84e:7bdc
216.78.123.221 0:0:0:0:0:ffff:d84e:7bdd
216.78.123.222 0:0:0:0:0:ffff:d84e:7bde
216.78.123.223 0:0:0:0:0:ffff:d84e:7bdf
216.78.123.224 0:0:0:0:0:ffff:d84e:7be0
216.78.123.225 0:0:0:0:0:ffff:d84e:7be1
216.78.123.226 0:0:0:0:0:ffff:d84e:7be2
216.78.123.227 0:0:0:0:0:ffff:d84e:7be3
216.78.123.228 0:0:0:0:0:ffff:d84e:7be4
216.78.123.229 0:0:0:0:0:ffff:d84e:7be5
216.78.123.230 0:0:0:0:0:ffff:d84e:7be6
216.78.123.231 0:0:0:0:0:ffff:d84e:7be7
216.78.123.232 0:0:0:0:0:ffff:d84e:7be8
216.78.123.233 0:0:0:0:0:ffff:d84e:7be9
216.78.123.234 0:0:0:0:0:ffff:d84e:7bea
216.78.123.235 0:0:0:0:0:ffff:d84e:7beb
216.78.123.236 0:0:0:0:0:ffff:d84e:7bec
216.78.123.237 0:0:0:0:0:ffff:d84e:7bed
216.78.123.238 0:0:0:0:0:ffff:d84e:7bee
216.78.123.239 0:0:0:0:0:ffff:d84e:7bef
216.78.123.240 0:0:0:0:0:ffff:d84e:7bf0
216.78.123.241 0:0:0:0:0:ffff:d84e:7bf1
216.78.123.242 0:0:0:0:0:ffff:d84e:7bf2
216.78.123.243 0:0:0:0:0:ffff:d84e:7bf3
216.78.123.244 0:0:0:0:0:ffff:d84e:7bf4
216.78.123.245 0:0:0:0:0:ffff:d84e:7bf5
216.78.123.246 0:0:0:0:0:ffff:d84e:7bf6
216.78.123.247 0:0:0:0:0:ffff:d84e:7bf7
216.78.123.248 0:0:0:0:0:ffff:d84e:7bf8
216.78.123.249 0:0:0:0:0:ffff:d84e:7bf9
216.78.123.250 0:0:0:0:0:ffff:d84e:7bfa
216.78.123.251 0:0:0:0:0:ffff:d84e:7bfb
216.78.123.252 0:0:0:0:0:ffff:d84e:7bfc
216.78.123.253 0:0:0:0:0:ffff:d84e:7bfd
216.78.123.254 0:0:0:0:0:ffff:d84e:7bfe
216.78.123.255 0:0:0:0:0:ffff:d84e:7bff


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.