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
123.215.43.1 0:0:0:0:0:ffff:7bd7:2b01
123.215.43.2 0:0:0:0:0:ffff:7bd7:2b02
123.215.43.3 0:0:0:0:0:ffff:7bd7:2b03
123.215.43.4 0:0:0:0:0:ffff:7bd7:2b04
123.215.43.5 0:0:0:0:0:ffff:7bd7:2b05
123.215.43.6 0:0:0:0:0:ffff:7bd7:2b06
123.215.43.7 0:0:0:0:0:ffff:7bd7:2b07
123.215.43.8 0:0:0:0:0:ffff:7bd7:2b08
123.215.43.9 0:0:0:0:0:ffff:7bd7:2b09
123.215.43.10 0:0:0:0:0:ffff:7bd7:2b0a
123.215.43.11 0:0:0:0:0:ffff:7bd7:2b0b
123.215.43.12 0:0:0:0:0:ffff:7bd7:2b0c
123.215.43.13 0:0:0:0:0:ffff:7bd7:2b0d
123.215.43.14 0:0:0:0:0:ffff:7bd7:2b0e
123.215.43.15 0:0:0:0:0:ffff:7bd7:2b0f
123.215.43.16 0:0:0:0:0:ffff:7bd7:2b10
123.215.43.17 0:0:0:0:0:ffff:7bd7:2b11
123.215.43.18 0:0:0:0:0:ffff:7bd7:2b12
123.215.43.19 0:0:0:0:0:ffff:7bd7:2b13
123.215.43.20 0:0:0:0:0:ffff:7bd7:2b14
123.215.43.21 0:0:0:0:0:ffff:7bd7:2b15
123.215.43.22 0:0:0:0:0:ffff:7bd7:2b16
123.215.43.23 0:0:0:0:0:ffff:7bd7:2b17
123.215.43.24 0:0:0:0:0:ffff:7bd7:2b18
123.215.43.25 0:0:0:0:0:ffff:7bd7:2b19
123.215.43.26 0:0:0:0:0:ffff:7bd7:2b1a
123.215.43.27 0:0:0:0:0:ffff:7bd7:2b1b
123.215.43.28 0:0:0:0:0:ffff:7bd7:2b1c
123.215.43.29 0:0:0:0:0:ffff:7bd7:2b1d
123.215.43.30 0:0:0:0:0:ffff:7bd7:2b1e
123.215.43.31 0:0:0:0:0:ffff:7bd7:2b1f
123.215.43.32 0:0:0:0:0:ffff:7bd7:2b20
123.215.43.33 0:0:0:0:0:ffff:7bd7:2b21
123.215.43.34 0:0:0:0:0:ffff:7bd7:2b22
123.215.43.35 0:0:0:0:0:ffff:7bd7:2b23
123.215.43.36 0:0:0:0:0:ffff:7bd7:2b24
123.215.43.37 0:0:0:0:0:ffff:7bd7:2b25
123.215.43.38 0:0:0:0:0:ffff:7bd7:2b26
123.215.43.39 0:0:0:0:0:ffff:7bd7:2b27
123.215.43.40 0:0:0:0:0:ffff:7bd7:2b28
123.215.43.41 0:0:0:0:0:ffff:7bd7:2b29
123.215.43.42 0:0:0:0:0:ffff:7bd7:2b2a
123.215.43.43 0:0:0:0:0:ffff:7bd7:2b2b
123.215.43.44 0:0:0:0:0:ffff:7bd7:2b2c
123.215.43.45 0:0:0:0:0:ffff:7bd7:2b2d
123.215.43.46 0:0:0:0:0:ffff:7bd7:2b2e
123.215.43.47 0:0:0:0:0:ffff:7bd7:2b2f
123.215.43.48 0:0:0:0:0:ffff:7bd7:2b30
123.215.43.49 0:0:0:0:0:ffff:7bd7:2b31
123.215.43.50 0:0:0:0:0:ffff:7bd7:2b32
123.215.43.51 0:0:0:0:0:ffff:7bd7:2b33
123.215.43.52 0:0:0:0:0:ffff:7bd7:2b34
123.215.43.53 0:0:0:0:0:ffff:7bd7:2b35
123.215.43.54 0:0:0:0:0:ffff:7bd7:2b36
123.215.43.55 0:0:0:0:0:ffff:7bd7:2b37
123.215.43.56 0:0:0:0:0:ffff:7bd7:2b38
123.215.43.57 0:0:0:0:0:ffff:7bd7:2b39
123.215.43.58 0:0:0:0:0:ffff:7bd7:2b3a
123.215.43.59 0:0:0:0:0:ffff:7bd7:2b3b
123.215.43.60 0:0:0:0:0:ffff:7bd7:2b3c


123.215.43.61 0:0:0:0:0:ffff:7bd7:2b3d
123.215.43.62 0:0:0:0:0:ffff:7bd7:2b3e
123.215.43.63 0:0:0:0:0:ffff:7bd7:2b3f
123.215.43.64 0:0:0:0:0:ffff:7bd7:2b40
123.215.43.65 0:0:0:0:0:ffff:7bd7:2b41
123.215.43.66 0:0:0:0:0:ffff:7bd7:2b42
123.215.43.67 0:0:0:0:0:ffff:7bd7:2b43
123.215.43.68 0:0:0:0:0:ffff:7bd7:2b44
123.215.43.69 0:0:0:0:0:ffff:7bd7:2b45
123.215.43.70 0:0:0:0:0:ffff:7bd7:2b46
123.215.43.71 0:0:0:0:0:ffff:7bd7:2b47
123.215.43.72 0:0:0:0:0:ffff:7bd7:2b48
123.215.43.73 0:0:0:0:0:ffff:7bd7:2b49
123.215.43.74 0:0:0:0:0:ffff:7bd7:2b4a
123.215.43.75 0:0:0:0:0:ffff:7bd7:2b4b
123.215.43.76 0:0:0:0:0:ffff:7bd7:2b4c
123.215.43.77 0:0:0:0:0:ffff:7bd7:2b4d
123.215.43.78 0:0:0:0:0:ffff:7bd7:2b4e
123.215.43.79 0:0:0:0:0:ffff:7bd7:2b4f
123.215.43.80 0:0:0:0:0:ffff:7bd7:2b50
123.215.43.81 0:0:0:0:0:ffff:7bd7:2b51
123.215.43.82 0:0:0:0:0:ffff:7bd7:2b52
123.215.43.83 0:0:0:0:0:ffff:7bd7:2b53
123.215.43.84 0:0:0:0:0:ffff:7bd7:2b54
123.215.43.85 0:0:0:0:0:ffff:7bd7:2b55
123.215.43.86 0:0:0:0:0:ffff:7bd7:2b56
123.215.43.87 0:0:0:0:0:ffff:7bd7:2b57
123.215.43.88 0:0:0:0:0:ffff:7bd7:2b58
123.215.43.89 0:0:0:0:0:ffff:7bd7:2b59
123.215.43.90 0:0:0:0:0:ffff:7bd7:2b5a
123.215.43.91 0:0:0:0:0:ffff:7bd7:2b5b
123.215.43.92 0:0:0:0:0:ffff:7bd7:2b5c
123.215.43.93 0:0:0:0:0:ffff:7bd7:2b5d
123.215.43.94 0:0:0:0:0:ffff:7bd7:2b5e
123.215.43.95 0:0:0:0:0:ffff:7bd7:2b5f
123.215.43.96 0:0:0:0:0:ffff:7bd7:2b60
123.215.43.97 0:0:0:0:0:ffff:7bd7:2b61
123.215.43.98 0:0:0:0:0:ffff:7bd7:2b62
123.215.43.99 0:0:0:0:0:ffff:7bd7:2b63
123.215.43.100 0:0:0:0:0:ffff:7bd7:2b64
123.215.43.101 0:0:0:0:0:ffff:7bd7:2b65
123.215.43.102 0:0:0:0:0:ffff:7bd7:2b66
123.215.43.103 0:0:0:0:0:ffff:7bd7:2b67
123.215.43.104 0:0:0:0:0:ffff:7bd7:2b68
123.215.43.105 0:0:0:0:0:ffff:7bd7:2b69
123.215.43.106 0:0:0:0:0:ffff:7bd7:2b6a
123.215.43.107 0:0:0:0:0:ffff:7bd7:2b6b
123.215.43.108 0:0:0:0:0:ffff:7bd7:2b6c
123.215.43.109 0:0:0:0:0:ffff:7bd7:2b6d
123.215.43.110 0:0:0:0:0:ffff:7bd7:2b6e
123.215.43.111 0:0:0:0:0:ffff:7bd7:2b6f
123.215.43.112 0:0:0:0:0:ffff:7bd7:2b70
123.215.43.113 0:0:0:0:0:ffff:7bd7:2b71
123.215.43.114 0:0:0:0:0:ffff:7bd7:2b72
123.215.43.115 0:0:0:0:0:ffff:7bd7:2b73
123.215.43.116 0:0:0:0:0:ffff:7bd7:2b74
123.215.43.117 0:0:0:0:0:ffff:7bd7:2b75
123.215.43.118 0:0:0:0:0:ffff:7bd7:2b76
123.215.43.119 0:0:0:0:0:ffff:7bd7:2b77
123.215.43.120 0:0:0:0:0:ffff:7bd7:2b78


123.215.43.121 0:0:0:0:0:ffff:7bd7:2b79
123.215.43.122 0:0:0:0:0:ffff:7bd7:2b7a
123.215.43.123 0:0:0:0:0:ffff:7bd7:2b7b
123.215.43.124 0:0:0:0:0:ffff:7bd7:2b7c
123.215.43.125 0:0:0:0:0:ffff:7bd7:2b7d
123.215.43.126 0:0:0:0:0:ffff:7bd7:2b7e
123.215.43.127 0:0:0:0:0:ffff:7bd7:2b7f
123.215.43.128 0:0:0:0:0:ffff:7bd7:2b80
123.215.43.129 0:0:0:0:0:ffff:7bd7:2b81
123.215.43.130 0:0:0:0:0:ffff:7bd7:2b82
123.215.43.131 0:0:0:0:0:ffff:7bd7:2b83
123.215.43.132 0:0:0:0:0:ffff:7bd7:2b84
123.215.43.133 0:0:0:0:0:ffff:7bd7:2b85
123.215.43.134 0:0:0:0:0:ffff:7bd7:2b86
123.215.43.135 0:0:0:0:0:ffff:7bd7:2b87
123.215.43.136 0:0:0:0:0:ffff:7bd7:2b88
123.215.43.137 0:0:0:0:0:ffff:7bd7:2b89
123.215.43.138 0:0:0:0:0:ffff:7bd7:2b8a
123.215.43.139 0:0:0:0:0:ffff:7bd7:2b8b
123.215.43.140 0:0:0:0:0:ffff:7bd7:2b8c
123.215.43.141 0:0:0:0:0:ffff:7bd7:2b8d
123.215.43.142 0:0:0:0:0:ffff:7bd7:2b8e
123.215.43.143 0:0:0:0:0:ffff:7bd7:2b8f
123.215.43.144 0:0:0:0:0:ffff:7bd7:2b90
123.215.43.145 0:0:0:0:0:ffff:7bd7:2b91
123.215.43.146 0:0:0:0:0:ffff:7bd7:2b92
123.215.43.147 0:0:0:0:0:ffff:7bd7:2b93
123.215.43.148 0:0:0:0:0:ffff:7bd7:2b94
123.215.43.149 0:0:0:0:0:ffff:7bd7:2b95
123.215.43.150 0:0:0:0:0:ffff:7bd7:2b96
123.215.43.151 0:0:0:0:0:ffff:7bd7:2b97
123.215.43.152 0:0:0:0:0:ffff:7bd7:2b98
123.215.43.153 0:0:0:0:0:ffff:7bd7:2b99
123.215.43.154 0:0:0:0:0:ffff:7bd7:2b9a
123.215.43.155 0:0:0:0:0:ffff:7bd7:2b9b
123.215.43.156 0:0:0:0:0:ffff:7bd7:2b9c
123.215.43.157 0:0:0:0:0:ffff:7bd7:2b9d
123.215.43.158 0:0:0:0:0:ffff:7bd7:2b9e
123.215.43.159 0:0:0:0:0:ffff:7bd7:2b9f
123.215.43.160 0:0:0:0:0:ffff:7bd7:2ba0
123.215.43.161 0:0:0:0:0:ffff:7bd7:2ba1
123.215.43.162 0:0:0:0:0:ffff:7bd7:2ba2
123.215.43.163 0:0:0:0:0:ffff:7bd7:2ba3
123.215.43.164 0:0:0:0:0:ffff:7bd7:2ba4
123.215.43.165 0:0:0:0:0:ffff:7bd7:2ba5
123.215.43.166 0:0:0:0:0:ffff:7bd7:2ba6
123.215.43.167 0:0:0:0:0:ffff:7bd7:2ba7
123.215.43.168 0:0:0:0:0:ffff:7bd7:2ba8
123.215.43.169 0:0:0:0:0:ffff:7bd7:2ba9
123.215.43.170 0:0:0:0:0:ffff:7bd7:2baa
123.215.43.171 0:0:0:0:0:ffff:7bd7:2bab
123.215.43.172 0:0:0:0:0:ffff:7bd7:2bac
123.215.43.173 0:0:0:0:0:ffff:7bd7:2bad
123.215.43.174 0:0:0:0:0:ffff:7bd7:2bae
123.215.43.175 0:0:0:0:0:ffff:7bd7:2baf
123.215.43.176 0:0:0:0:0:ffff:7bd7:2bb0
123.215.43.177 0:0:0:0:0:ffff:7bd7:2bb1
123.215.43.178 0:0:0:0:0:ffff:7bd7:2bb2
123.215.43.179 0:0:0:0:0:ffff:7bd7:2bb3
123.215.43.180 0:0:0:0:0:ffff:7bd7:2bb4


123.215.43.181 0:0:0:0:0:ffff:7bd7:2bb5
123.215.43.182 0:0:0:0:0:ffff:7bd7:2bb6
123.215.43.183 0:0:0:0:0:ffff:7bd7:2bb7
123.215.43.184 0:0:0:0:0:ffff:7bd7:2bb8
123.215.43.185 0:0:0:0:0:ffff:7bd7:2bb9
123.215.43.186 0:0:0:0:0:ffff:7bd7:2bba
123.215.43.187 0:0:0:0:0:ffff:7bd7:2bbb
123.215.43.188 0:0:0:0:0:ffff:7bd7:2bbc
123.215.43.189 0:0:0:0:0:ffff:7bd7:2bbd
123.215.43.190 0:0:0:0:0:ffff:7bd7:2bbe
123.215.43.191 0:0:0:0:0:ffff:7bd7:2bbf
123.215.43.192 0:0:0:0:0:ffff:7bd7:2bc0
123.215.43.193 0:0:0:0:0:ffff:7bd7:2bc1
123.215.43.194 0:0:0:0:0:ffff:7bd7:2bc2
123.215.43.195 0:0:0:0:0:ffff:7bd7:2bc3
123.215.43.196 0:0:0:0:0:ffff:7bd7:2bc4
123.215.43.197 0:0:0:0:0:ffff:7bd7:2bc5
123.215.43.198 0:0:0:0:0:ffff:7bd7:2bc6
123.215.43.199 0:0:0:0:0:ffff:7bd7:2bc7
123.215.43.200 0:0:0:0:0:ffff:7bd7:2bc8
123.215.43.201 0:0:0:0:0:ffff:7bd7:2bc9
123.215.43.202 0:0:0:0:0:ffff:7bd7:2bca
123.215.43.203 0:0:0:0:0:ffff:7bd7:2bcb
123.215.43.204 0:0:0:0:0:ffff:7bd7:2bcc
123.215.43.205 0:0:0:0:0:ffff:7bd7:2bcd
123.215.43.206 0:0:0:0:0:ffff:7bd7:2bce
123.215.43.207 0:0:0:0:0:ffff:7bd7:2bcf
123.215.43.208 0:0:0:0:0:ffff:7bd7:2bd0
123.215.43.209 0:0:0:0:0:ffff:7bd7:2bd1
123.215.43.210 0:0:0:0:0:ffff:7bd7:2bd2
123.215.43.211 0:0:0:0:0:ffff:7bd7:2bd3
123.215.43.212 0:0:0:0:0:ffff:7bd7:2bd4
123.215.43.213 0:0:0:0:0:ffff:7bd7:2bd5
123.215.43.214 0:0:0:0:0:ffff:7bd7:2bd6
123.215.43.215 0:0:0:0:0:ffff:7bd7:2bd7
123.215.43.216 0:0:0:0:0:ffff:7bd7:2bd8
123.215.43.217 0:0:0:0:0:ffff:7bd7:2bd9
123.215.43.218 0:0:0:0:0:ffff:7bd7:2bda
123.215.43.219 0:0:0:0:0:ffff:7bd7:2bdb
123.215.43.220 0:0:0:0:0:ffff:7bd7:2bdc
123.215.43.221 0:0:0:0:0:ffff:7bd7:2bdd
123.215.43.222 0:0:0:0:0:ffff:7bd7:2bde
123.215.43.223 0:0:0:0:0:ffff:7bd7:2bdf
123.215.43.224 0:0:0:0:0:ffff:7bd7:2be0
123.215.43.225 0:0:0:0:0:ffff:7bd7:2be1
123.215.43.226 0:0:0:0:0:ffff:7bd7:2be2
123.215.43.227 0:0:0:0:0:ffff:7bd7:2be3
123.215.43.228 0:0:0:0:0:ffff:7bd7:2be4
123.215.43.229 0:0:0:0:0:ffff:7bd7:2be5
123.215.43.230 0:0:0:0:0:ffff:7bd7:2be6
123.215.43.231 0:0:0:0:0:ffff:7bd7:2be7
123.215.43.232 0:0:0:0:0:ffff:7bd7:2be8
123.215.43.233 0:0:0:0:0:ffff:7bd7:2be9
123.215.43.234 0:0:0:0:0:ffff:7bd7:2bea
123.215.43.235 0:0:0:0:0:ffff:7bd7:2beb
123.215.43.236 0:0:0:0:0:ffff:7bd7:2bec
123.215.43.237 0:0:0:0:0:ffff:7bd7:2bed
123.215.43.238 0:0:0:0:0:ffff:7bd7:2bee
123.215.43.239 0:0:0:0:0:ffff:7bd7:2bef
123.215.43.240 0:0:0:0:0:ffff:7bd7:2bf0
123.215.43.241 0:0:0:0:0:ffff:7bd7:2bf1
123.215.43.242 0:0:0:0:0:ffff:7bd7:2bf2
123.215.43.243 0:0:0:0:0:ffff:7bd7:2bf3
123.215.43.244 0:0:0:0:0:ffff:7bd7:2bf4
123.215.43.245 0:0:0:0:0:ffff:7bd7:2bf5
123.215.43.246 0:0:0:0:0:ffff:7bd7:2bf6
123.215.43.247 0:0:0:0:0:ffff:7bd7:2bf7
123.215.43.248 0:0:0:0:0:ffff:7bd7:2bf8
123.215.43.249 0:0:0:0:0:ffff:7bd7:2bf9
123.215.43.250 0:0:0:0:0:ffff:7bd7:2bfa
123.215.43.251 0:0:0:0:0:ffff:7bd7:2bfb
123.215.43.252 0:0:0:0:0:ffff:7bd7:2bfc
123.215.43.253 0:0:0:0:0:ffff:7bd7:2bfd
123.215.43.254 0:0:0:0:0:ffff:7bd7:2bfe
123.215.43.255 0:0:0:0:0:ffff:7bd7:2bff


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.