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
148.78.123.1 0:0:0:0:0:ffff:944e:7b01
148.78.123.2 0:0:0:0:0:ffff:944e:7b02
148.78.123.3 0:0:0:0:0:ffff:944e:7b03
148.78.123.4 0:0:0:0:0:ffff:944e:7b04
148.78.123.5 0:0:0:0:0:ffff:944e:7b05
148.78.123.6 0:0:0:0:0:ffff:944e:7b06
148.78.123.7 0:0:0:0:0:ffff:944e:7b07
148.78.123.8 0:0:0:0:0:ffff:944e:7b08
148.78.123.9 0:0:0:0:0:ffff:944e:7b09
148.78.123.10 0:0:0:0:0:ffff:944e:7b0a
148.78.123.11 0:0:0:0:0:ffff:944e:7b0b
148.78.123.12 0:0:0:0:0:ffff:944e:7b0c
148.78.123.13 0:0:0:0:0:ffff:944e:7b0d
148.78.123.14 0:0:0:0:0:ffff:944e:7b0e
148.78.123.15 0:0:0:0:0:ffff:944e:7b0f
148.78.123.16 0:0:0:0:0:ffff:944e:7b10
148.78.123.17 0:0:0:0:0:ffff:944e:7b11
148.78.123.18 0:0:0:0:0:ffff:944e:7b12
148.78.123.19 0:0:0:0:0:ffff:944e:7b13
148.78.123.20 0:0:0:0:0:ffff:944e:7b14
148.78.123.21 0:0:0:0:0:ffff:944e:7b15
148.78.123.22 0:0:0:0:0:ffff:944e:7b16
148.78.123.23 0:0:0:0:0:ffff:944e:7b17
148.78.123.24 0:0:0:0:0:ffff:944e:7b18
148.78.123.25 0:0:0:0:0:ffff:944e:7b19
148.78.123.26 0:0:0:0:0:ffff:944e:7b1a
148.78.123.27 0:0:0:0:0:ffff:944e:7b1b
148.78.123.28 0:0:0:0:0:ffff:944e:7b1c
148.78.123.29 0:0:0:0:0:ffff:944e:7b1d
148.78.123.30 0:0:0:0:0:ffff:944e:7b1e
148.78.123.31 0:0:0:0:0:ffff:944e:7b1f
148.78.123.32 0:0:0:0:0:ffff:944e:7b20
148.78.123.33 0:0:0:0:0:ffff:944e:7b21
148.78.123.34 0:0:0:0:0:ffff:944e:7b22
148.78.123.35 0:0:0:0:0:ffff:944e:7b23
148.78.123.36 0:0:0:0:0:ffff:944e:7b24
148.78.123.37 0:0:0:0:0:ffff:944e:7b25
148.78.123.38 0:0:0:0:0:ffff:944e:7b26
148.78.123.39 0:0:0:0:0:ffff:944e:7b27
148.78.123.40 0:0:0:0:0:ffff:944e:7b28
148.78.123.41 0:0:0:0:0:ffff:944e:7b29
148.78.123.42 0:0:0:0:0:ffff:944e:7b2a
148.78.123.43 0:0:0:0:0:ffff:944e:7b2b
148.78.123.44 0:0:0:0:0:ffff:944e:7b2c
148.78.123.45 0:0:0:0:0:ffff:944e:7b2d
148.78.123.46 0:0:0:0:0:ffff:944e:7b2e
148.78.123.47 0:0:0:0:0:ffff:944e:7b2f
148.78.123.48 0:0:0:0:0:ffff:944e:7b30
148.78.123.49 0:0:0:0:0:ffff:944e:7b31
148.78.123.50 0:0:0:0:0:ffff:944e:7b32
148.78.123.51 0:0:0:0:0:ffff:944e:7b33
148.78.123.52 0:0:0:0:0:ffff:944e:7b34
148.78.123.53 0:0:0:0:0:ffff:944e:7b35
148.78.123.54 0:0:0:0:0:ffff:944e:7b36
148.78.123.55 0:0:0:0:0:ffff:944e:7b37
148.78.123.56 0:0:0:0:0:ffff:944e:7b38
148.78.123.57 0:0:0:0:0:ffff:944e:7b39
148.78.123.58 0:0:0:0:0:ffff:944e:7b3a
148.78.123.59 0:0:0:0:0:ffff:944e:7b3b
148.78.123.60 0:0:0:0:0:ffff:944e:7b3c


148.78.123.61 0:0:0:0:0:ffff:944e:7b3d
148.78.123.62 0:0:0:0:0:ffff:944e:7b3e
148.78.123.63 0:0:0:0:0:ffff:944e:7b3f
148.78.123.64 0:0:0:0:0:ffff:944e:7b40
148.78.123.65 0:0:0:0:0:ffff:944e:7b41
148.78.123.66 0:0:0:0:0:ffff:944e:7b42
148.78.123.67 0:0:0:0:0:ffff:944e:7b43
148.78.123.68 0:0:0:0:0:ffff:944e:7b44
148.78.123.69 0:0:0:0:0:ffff:944e:7b45
148.78.123.70 0:0:0:0:0:ffff:944e:7b46
148.78.123.71 0:0:0:0:0:ffff:944e:7b47
148.78.123.72 0:0:0:0:0:ffff:944e:7b48
148.78.123.73 0:0:0:0:0:ffff:944e:7b49
148.78.123.74 0:0:0:0:0:ffff:944e:7b4a
148.78.123.75 0:0:0:0:0:ffff:944e:7b4b
148.78.123.76 0:0:0:0:0:ffff:944e:7b4c
148.78.123.77 0:0:0:0:0:ffff:944e:7b4d
148.78.123.78 0:0:0:0:0:ffff:944e:7b4e
148.78.123.79 0:0:0:0:0:ffff:944e:7b4f
148.78.123.80 0:0:0:0:0:ffff:944e:7b50
148.78.123.81 0:0:0:0:0:ffff:944e:7b51
148.78.123.82 0:0:0:0:0:ffff:944e:7b52
148.78.123.83 0:0:0:0:0:ffff:944e:7b53
148.78.123.84 0:0:0:0:0:ffff:944e:7b54
148.78.123.85 0:0:0:0:0:ffff:944e:7b55
148.78.123.86 0:0:0:0:0:ffff:944e:7b56
148.78.123.87 0:0:0:0:0:ffff:944e:7b57
148.78.123.88 0:0:0:0:0:ffff:944e:7b58
148.78.123.89 0:0:0:0:0:ffff:944e:7b59
148.78.123.90 0:0:0:0:0:ffff:944e:7b5a
148.78.123.91 0:0:0:0:0:ffff:944e:7b5b
148.78.123.92 0:0:0:0:0:ffff:944e:7b5c
148.78.123.93 0:0:0:0:0:ffff:944e:7b5d
148.78.123.94 0:0:0:0:0:ffff:944e:7b5e
148.78.123.95 0:0:0:0:0:ffff:944e:7b5f
148.78.123.96 0:0:0:0:0:ffff:944e:7b60
148.78.123.97 0:0:0:0:0:ffff:944e:7b61
148.78.123.98 0:0:0:0:0:ffff:944e:7b62
148.78.123.99 0:0:0:0:0:ffff:944e:7b63
148.78.123.100 0:0:0:0:0:ffff:944e:7b64
148.78.123.101 0:0:0:0:0:ffff:944e:7b65
148.78.123.102 0:0:0:0:0:ffff:944e:7b66
148.78.123.103 0:0:0:0:0:ffff:944e:7b67
148.78.123.104 0:0:0:0:0:ffff:944e:7b68
148.78.123.105 0:0:0:0:0:ffff:944e:7b69
148.78.123.106 0:0:0:0:0:ffff:944e:7b6a
148.78.123.107 0:0:0:0:0:ffff:944e:7b6b
148.78.123.108 0:0:0:0:0:ffff:944e:7b6c
148.78.123.109 0:0:0:0:0:ffff:944e:7b6d
148.78.123.110 0:0:0:0:0:ffff:944e:7b6e
148.78.123.111 0:0:0:0:0:ffff:944e:7b6f
148.78.123.112 0:0:0:0:0:ffff:944e:7b70
148.78.123.113 0:0:0:0:0:ffff:944e:7b71
148.78.123.114 0:0:0:0:0:ffff:944e:7b72
148.78.123.115 0:0:0:0:0:ffff:944e:7b73
148.78.123.116 0:0:0:0:0:ffff:944e:7b74
148.78.123.117 0:0:0:0:0:ffff:944e:7b75
148.78.123.118 0:0:0:0:0:ffff:944e:7b76
148.78.123.119 0:0:0:0:0:ffff:944e:7b77
148.78.123.120 0:0:0:0:0:ffff:944e:7b78


148.78.123.121 0:0:0:0:0:ffff:944e:7b79
148.78.123.122 0:0:0:0:0:ffff:944e:7b7a
148.78.123.123 0:0:0:0:0:ffff:944e:7b7b
148.78.123.124 0:0:0:0:0:ffff:944e:7b7c
148.78.123.125 0:0:0:0:0:ffff:944e:7b7d
148.78.123.126 0:0:0:0:0:ffff:944e:7b7e
148.78.123.127 0:0:0:0:0:ffff:944e:7b7f
148.78.123.128 0:0:0:0:0:ffff:944e:7b80
148.78.123.129 0:0:0:0:0:ffff:944e:7b81
148.78.123.130 0:0:0:0:0:ffff:944e:7b82
148.78.123.131 0:0:0:0:0:ffff:944e:7b83
148.78.123.132 0:0:0:0:0:ffff:944e:7b84
148.78.123.133 0:0:0:0:0:ffff:944e:7b85
148.78.123.134 0:0:0:0:0:ffff:944e:7b86
148.78.123.135 0:0:0:0:0:ffff:944e:7b87
148.78.123.136 0:0:0:0:0:ffff:944e:7b88
148.78.123.137 0:0:0:0:0:ffff:944e:7b89
148.78.123.138 0:0:0:0:0:ffff:944e:7b8a
148.78.123.139 0:0:0:0:0:ffff:944e:7b8b
148.78.123.140 0:0:0:0:0:ffff:944e:7b8c
148.78.123.141 0:0:0:0:0:ffff:944e:7b8d
148.78.123.142 0:0:0:0:0:ffff:944e:7b8e
148.78.123.143 0:0:0:0:0:ffff:944e:7b8f
148.78.123.144 0:0:0:0:0:ffff:944e:7b90
148.78.123.145 0:0:0:0:0:ffff:944e:7b91
148.78.123.146 0:0:0:0:0:ffff:944e:7b92
148.78.123.147 0:0:0:0:0:ffff:944e:7b93
148.78.123.148 0:0:0:0:0:ffff:944e:7b94
148.78.123.149 0:0:0:0:0:ffff:944e:7b95
148.78.123.150 0:0:0:0:0:ffff:944e:7b96
148.78.123.151 0:0:0:0:0:ffff:944e:7b97
148.78.123.152 0:0:0:0:0:ffff:944e:7b98
148.78.123.153 0:0:0:0:0:ffff:944e:7b99
148.78.123.154 0:0:0:0:0:ffff:944e:7b9a
148.78.123.155 0:0:0:0:0:ffff:944e:7b9b
148.78.123.156 0:0:0:0:0:ffff:944e:7b9c
148.78.123.157 0:0:0:0:0:ffff:944e:7b9d
148.78.123.158 0:0:0:0:0:ffff:944e:7b9e
148.78.123.159 0:0:0:0:0:ffff:944e:7b9f
148.78.123.160 0:0:0:0:0:ffff:944e:7ba0
148.78.123.161 0:0:0:0:0:ffff:944e:7ba1
148.78.123.162 0:0:0:0:0:ffff:944e:7ba2
148.78.123.163 0:0:0:0:0:ffff:944e:7ba3
148.78.123.164 0:0:0:0:0:ffff:944e:7ba4
148.78.123.165 0:0:0:0:0:ffff:944e:7ba5
148.78.123.166 0:0:0:0:0:ffff:944e:7ba6
148.78.123.167 0:0:0:0:0:ffff:944e:7ba7
148.78.123.168 0:0:0:0:0:ffff:944e:7ba8
148.78.123.169 0:0:0:0:0:ffff:944e:7ba9
148.78.123.170 0:0:0:0:0:ffff:944e:7baa
148.78.123.171 0:0:0:0:0:ffff:944e:7bab
148.78.123.172 0:0:0:0:0:ffff:944e:7bac
148.78.123.173 0:0:0:0:0:ffff:944e:7bad
148.78.123.174 0:0:0:0:0:ffff:944e:7bae
148.78.123.175 0:0:0:0:0:ffff:944e:7baf
148.78.123.176 0:0:0:0:0:ffff:944e:7bb0
148.78.123.177 0:0:0:0:0:ffff:944e:7bb1
148.78.123.178 0:0:0:0:0:ffff:944e:7bb2
148.78.123.179 0:0:0:0:0:ffff:944e:7bb3
148.78.123.180 0:0:0:0:0:ffff:944e:7bb4


148.78.123.181 0:0:0:0:0:ffff:944e:7bb5
148.78.123.182 0:0:0:0:0:ffff:944e:7bb6
148.78.123.183 0:0:0:0:0:ffff:944e:7bb7
148.78.123.184 0:0:0:0:0:ffff:944e:7bb8
148.78.123.185 0:0:0:0:0:ffff:944e:7bb9
148.78.123.186 0:0:0:0:0:ffff:944e:7bba
148.78.123.187 0:0:0:0:0:ffff:944e:7bbb
148.78.123.188 0:0:0:0:0:ffff:944e:7bbc
148.78.123.189 0:0:0:0:0:ffff:944e:7bbd
148.78.123.190 0:0:0:0:0:ffff:944e:7bbe
148.78.123.191 0:0:0:0:0:ffff:944e:7bbf
148.78.123.192 0:0:0:0:0:ffff:944e:7bc0
148.78.123.193 0:0:0:0:0:ffff:944e:7bc1
148.78.123.194 0:0:0:0:0:ffff:944e:7bc2
148.78.123.195 0:0:0:0:0:ffff:944e:7bc3
148.78.123.196 0:0:0:0:0:ffff:944e:7bc4
148.78.123.197 0:0:0:0:0:ffff:944e:7bc5
148.78.123.198 0:0:0:0:0:ffff:944e:7bc6
148.78.123.199 0:0:0:0:0:ffff:944e:7bc7
148.78.123.200 0:0:0:0:0:ffff:944e:7bc8
148.78.123.201 0:0:0:0:0:ffff:944e:7bc9
148.78.123.202 0:0:0:0:0:ffff:944e:7bca
148.78.123.203 0:0:0:0:0:ffff:944e:7bcb
148.78.123.204 0:0:0:0:0:ffff:944e:7bcc
148.78.123.205 0:0:0:0:0:ffff:944e:7bcd
148.78.123.206 0:0:0:0:0:ffff:944e:7bce
148.78.123.207 0:0:0:0:0:ffff:944e:7bcf
148.78.123.208 0:0:0:0:0:ffff:944e:7bd0
148.78.123.209 0:0:0:0:0:ffff:944e:7bd1
148.78.123.210 0:0:0:0:0:ffff:944e:7bd2
148.78.123.211 0:0:0:0:0:ffff:944e:7bd3
148.78.123.212 0:0:0:0:0:ffff:944e:7bd4
148.78.123.213 0:0:0:0:0:ffff:944e:7bd5
148.78.123.214 0:0:0:0:0:ffff:944e:7bd6
148.78.123.215 0:0:0:0:0:ffff:944e:7bd7
148.78.123.216 0:0:0:0:0:ffff:944e:7bd8
148.78.123.217 0:0:0:0:0:ffff:944e:7bd9
148.78.123.218 0:0:0:0:0:ffff:944e:7bda
148.78.123.219 0:0:0:0:0:ffff:944e:7bdb
148.78.123.220 0:0:0:0:0:ffff:944e:7bdc
148.78.123.221 0:0:0:0:0:ffff:944e:7bdd
148.78.123.222 0:0:0:0:0:ffff:944e:7bde
148.78.123.223 0:0:0:0:0:ffff:944e:7bdf
148.78.123.224 0:0:0:0:0:ffff:944e:7be0
148.78.123.225 0:0:0:0:0:ffff:944e:7be1
148.78.123.226 0:0:0:0:0:ffff:944e:7be2
148.78.123.227 0:0:0:0:0:ffff:944e:7be3
148.78.123.228 0:0:0:0:0:ffff:944e:7be4
148.78.123.229 0:0:0:0:0:ffff:944e:7be5
148.78.123.230 0:0:0:0:0:ffff:944e:7be6
148.78.123.231 0:0:0:0:0:ffff:944e:7be7
148.78.123.232 0:0:0:0:0:ffff:944e:7be8
148.78.123.233 0:0:0:0:0:ffff:944e:7be9
148.78.123.234 0:0:0:0:0:ffff:944e:7bea
148.78.123.235 0:0:0:0:0:ffff:944e:7beb
148.78.123.236 0:0:0:0:0:ffff:944e:7bec
148.78.123.237 0:0:0:0:0:ffff:944e:7bed
148.78.123.238 0:0:0:0:0:ffff:944e:7bee
148.78.123.239 0:0:0:0:0:ffff:944e:7bef
148.78.123.240 0:0:0:0:0:ffff:944e:7bf0
148.78.123.241 0:0:0:0:0:ffff:944e:7bf1
148.78.123.242 0:0:0:0:0:ffff:944e:7bf2
148.78.123.243 0:0:0:0:0:ffff:944e:7bf3
148.78.123.244 0:0:0:0:0:ffff:944e:7bf4
148.78.123.245 0:0:0:0:0:ffff:944e:7bf5
148.78.123.246 0:0:0:0:0:ffff:944e:7bf6
148.78.123.247 0:0:0:0:0:ffff:944e:7bf7
148.78.123.248 0:0:0:0:0:ffff:944e:7bf8
148.78.123.249 0:0:0:0:0:ffff:944e:7bf9
148.78.123.250 0:0:0:0:0:ffff:944e:7bfa
148.78.123.251 0:0:0:0:0:ffff:944e:7bfb
148.78.123.252 0:0:0:0:0:ffff:944e:7bfc
148.78.123.253 0:0:0:0:0:ffff:944e:7bfd
148.78.123.254 0:0:0:0:0:ffff:944e:7bfe
148.78.123.255 0:0:0:0:0:ffff:944e: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.