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
203.153.75.1 0:0:0:0:0:ffff:cb99:4b01
203.153.75.2 0:0:0:0:0:ffff:cb99:4b02
203.153.75.3 0:0:0:0:0:ffff:cb99:4b03
203.153.75.4 0:0:0:0:0:ffff:cb99:4b04
203.153.75.5 0:0:0:0:0:ffff:cb99:4b05
203.153.75.6 0:0:0:0:0:ffff:cb99:4b06
203.153.75.7 0:0:0:0:0:ffff:cb99:4b07
203.153.75.8 0:0:0:0:0:ffff:cb99:4b08
203.153.75.9 0:0:0:0:0:ffff:cb99:4b09
203.153.75.10 0:0:0:0:0:ffff:cb99:4b0a
203.153.75.11 0:0:0:0:0:ffff:cb99:4b0b
203.153.75.12 0:0:0:0:0:ffff:cb99:4b0c
203.153.75.13 0:0:0:0:0:ffff:cb99:4b0d
203.153.75.14 0:0:0:0:0:ffff:cb99:4b0e
203.153.75.15 0:0:0:0:0:ffff:cb99:4b0f
203.153.75.16 0:0:0:0:0:ffff:cb99:4b10
203.153.75.17 0:0:0:0:0:ffff:cb99:4b11
203.153.75.18 0:0:0:0:0:ffff:cb99:4b12
203.153.75.19 0:0:0:0:0:ffff:cb99:4b13
203.153.75.20 0:0:0:0:0:ffff:cb99:4b14
203.153.75.21 0:0:0:0:0:ffff:cb99:4b15
203.153.75.22 0:0:0:0:0:ffff:cb99:4b16
203.153.75.23 0:0:0:0:0:ffff:cb99:4b17
203.153.75.24 0:0:0:0:0:ffff:cb99:4b18
203.153.75.25 0:0:0:0:0:ffff:cb99:4b19
203.153.75.26 0:0:0:0:0:ffff:cb99:4b1a
203.153.75.27 0:0:0:0:0:ffff:cb99:4b1b
203.153.75.28 0:0:0:0:0:ffff:cb99:4b1c
203.153.75.29 0:0:0:0:0:ffff:cb99:4b1d
203.153.75.30 0:0:0:0:0:ffff:cb99:4b1e
203.153.75.31 0:0:0:0:0:ffff:cb99:4b1f
203.153.75.32 0:0:0:0:0:ffff:cb99:4b20
203.153.75.33 0:0:0:0:0:ffff:cb99:4b21
203.153.75.34 0:0:0:0:0:ffff:cb99:4b22
203.153.75.35 0:0:0:0:0:ffff:cb99:4b23
203.153.75.36 0:0:0:0:0:ffff:cb99:4b24
203.153.75.37 0:0:0:0:0:ffff:cb99:4b25
203.153.75.38 0:0:0:0:0:ffff:cb99:4b26
203.153.75.39 0:0:0:0:0:ffff:cb99:4b27
203.153.75.40 0:0:0:0:0:ffff:cb99:4b28
203.153.75.41 0:0:0:0:0:ffff:cb99:4b29
203.153.75.42 0:0:0:0:0:ffff:cb99:4b2a
203.153.75.43 0:0:0:0:0:ffff:cb99:4b2b
203.153.75.44 0:0:0:0:0:ffff:cb99:4b2c
203.153.75.45 0:0:0:0:0:ffff:cb99:4b2d
203.153.75.46 0:0:0:0:0:ffff:cb99:4b2e
203.153.75.47 0:0:0:0:0:ffff:cb99:4b2f
203.153.75.48 0:0:0:0:0:ffff:cb99:4b30
203.153.75.49 0:0:0:0:0:ffff:cb99:4b31
203.153.75.50 0:0:0:0:0:ffff:cb99:4b32
203.153.75.51 0:0:0:0:0:ffff:cb99:4b33
203.153.75.52 0:0:0:0:0:ffff:cb99:4b34
203.153.75.53 0:0:0:0:0:ffff:cb99:4b35
203.153.75.54 0:0:0:0:0:ffff:cb99:4b36
203.153.75.55 0:0:0:0:0:ffff:cb99:4b37
203.153.75.56 0:0:0:0:0:ffff:cb99:4b38
203.153.75.57 0:0:0:0:0:ffff:cb99:4b39
203.153.75.58 0:0:0:0:0:ffff:cb99:4b3a
203.153.75.59 0:0:0:0:0:ffff:cb99:4b3b
203.153.75.60 0:0:0:0:0:ffff:cb99:4b3c


203.153.75.61 0:0:0:0:0:ffff:cb99:4b3d
203.153.75.62 0:0:0:0:0:ffff:cb99:4b3e
203.153.75.63 0:0:0:0:0:ffff:cb99:4b3f
203.153.75.64 0:0:0:0:0:ffff:cb99:4b40
203.153.75.65 0:0:0:0:0:ffff:cb99:4b41
203.153.75.66 0:0:0:0:0:ffff:cb99:4b42
203.153.75.67 0:0:0:0:0:ffff:cb99:4b43
203.153.75.68 0:0:0:0:0:ffff:cb99:4b44
203.153.75.69 0:0:0:0:0:ffff:cb99:4b45
203.153.75.70 0:0:0:0:0:ffff:cb99:4b46
203.153.75.71 0:0:0:0:0:ffff:cb99:4b47
203.153.75.72 0:0:0:0:0:ffff:cb99:4b48
203.153.75.73 0:0:0:0:0:ffff:cb99:4b49
203.153.75.74 0:0:0:0:0:ffff:cb99:4b4a
203.153.75.75 0:0:0:0:0:ffff:cb99:4b4b
203.153.75.76 0:0:0:0:0:ffff:cb99:4b4c
203.153.75.77 0:0:0:0:0:ffff:cb99:4b4d
203.153.75.78 0:0:0:0:0:ffff:cb99:4b4e
203.153.75.79 0:0:0:0:0:ffff:cb99:4b4f
203.153.75.80 0:0:0:0:0:ffff:cb99:4b50
203.153.75.81 0:0:0:0:0:ffff:cb99:4b51
203.153.75.82 0:0:0:0:0:ffff:cb99:4b52
203.153.75.83 0:0:0:0:0:ffff:cb99:4b53
203.153.75.84 0:0:0:0:0:ffff:cb99:4b54
203.153.75.85 0:0:0:0:0:ffff:cb99:4b55
203.153.75.86 0:0:0:0:0:ffff:cb99:4b56
203.153.75.87 0:0:0:0:0:ffff:cb99:4b57
203.153.75.88 0:0:0:0:0:ffff:cb99:4b58
203.153.75.89 0:0:0:0:0:ffff:cb99:4b59
203.153.75.90 0:0:0:0:0:ffff:cb99:4b5a
203.153.75.91 0:0:0:0:0:ffff:cb99:4b5b
203.153.75.92 0:0:0:0:0:ffff:cb99:4b5c
203.153.75.93 0:0:0:0:0:ffff:cb99:4b5d
203.153.75.94 0:0:0:0:0:ffff:cb99:4b5e
203.153.75.95 0:0:0:0:0:ffff:cb99:4b5f
203.153.75.96 0:0:0:0:0:ffff:cb99:4b60
203.153.75.97 0:0:0:0:0:ffff:cb99:4b61
203.153.75.98 0:0:0:0:0:ffff:cb99:4b62
203.153.75.99 0:0:0:0:0:ffff:cb99:4b63
203.153.75.100 0:0:0:0:0:ffff:cb99:4b64
203.153.75.101 0:0:0:0:0:ffff:cb99:4b65
203.153.75.102 0:0:0:0:0:ffff:cb99:4b66
203.153.75.103 0:0:0:0:0:ffff:cb99:4b67
203.153.75.104 0:0:0:0:0:ffff:cb99:4b68
203.153.75.105 0:0:0:0:0:ffff:cb99:4b69
203.153.75.106 0:0:0:0:0:ffff:cb99:4b6a
203.153.75.107 0:0:0:0:0:ffff:cb99:4b6b
203.153.75.108 0:0:0:0:0:ffff:cb99:4b6c
203.153.75.109 0:0:0:0:0:ffff:cb99:4b6d
203.153.75.110 0:0:0:0:0:ffff:cb99:4b6e
203.153.75.111 0:0:0:0:0:ffff:cb99:4b6f
203.153.75.112 0:0:0:0:0:ffff:cb99:4b70
203.153.75.113 0:0:0:0:0:ffff:cb99:4b71
203.153.75.114 0:0:0:0:0:ffff:cb99:4b72
203.153.75.115 0:0:0:0:0:ffff:cb99:4b73
203.153.75.116 0:0:0:0:0:ffff:cb99:4b74
203.153.75.117 0:0:0:0:0:ffff:cb99:4b75
203.153.75.118 0:0:0:0:0:ffff:cb99:4b76
203.153.75.119 0:0:0:0:0:ffff:cb99:4b77
203.153.75.120 0:0:0:0:0:ffff:cb99:4b78


203.153.75.121 0:0:0:0:0:ffff:cb99:4b79
203.153.75.122 0:0:0:0:0:ffff:cb99:4b7a
203.153.75.123 0:0:0:0:0:ffff:cb99:4b7b
203.153.75.124 0:0:0:0:0:ffff:cb99:4b7c
203.153.75.125 0:0:0:0:0:ffff:cb99:4b7d
203.153.75.126 0:0:0:0:0:ffff:cb99:4b7e
203.153.75.127 0:0:0:0:0:ffff:cb99:4b7f
203.153.75.128 0:0:0:0:0:ffff:cb99:4b80
203.153.75.129 0:0:0:0:0:ffff:cb99:4b81
203.153.75.130 0:0:0:0:0:ffff:cb99:4b82
203.153.75.131 0:0:0:0:0:ffff:cb99:4b83
203.153.75.132 0:0:0:0:0:ffff:cb99:4b84
203.153.75.133 0:0:0:0:0:ffff:cb99:4b85
203.153.75.134 0:0:0:0:0:ffff:cb99:4b86
203.153.75.135 0:0:0:0:0:ffff:cb99:4b87
203.153.75.136 0:0:0:0:0:ffff:cb99:4b88
203.153.75.137 0:0:0:0:0:ffff:cb99:4b89
203.153.75.138 0:0:0:0:0:ffff:cb99:4b8a
203.153.75.139 0:0:0:0:0:ffff:cb99:4b8b
203.153.75.140 0:0:0:0:0:ffff:cb99:4b8c
203.153.75.141 0:0:0:0:0:ffff:cb99:4b8d
203.153.75.142 0:0:0:0:0:ffff:cb99:4b8e
203.153.75.143 0:0:0:0:0:ffff:cb99:4b8f
203.153.75.144 0:0:0:0:0:ffff:cb99:4b90
203.153.75.145 0:0:0:0:0:ffff:cb99:4b91
203.153.75.146 0:0:0:0:0:ffff:cb99:4b92
203.153.75.147 0:0:0:0:0:ffff:cb99:4b93
203.153.75.148 0:0:0:0:0:ffff:cb99:4b94
203.153.75.149 0:0:0:0:0:ffff:cb99:4b95
203.153.75.150 0:0:0:0:0:ffff:cb99:4b96
203.153.75.151 0:0:0:0:0:ffff:cb99:4b97
203.153.75.152 0:0:0:0:0:ffff:cb99:4b98
203.153.75.153 0:0:0:0:0:ffff:cb99:4b99
203.153.75.154 0:0:0:0:0:ffff:cb99:4b9a
203.153.75.155 0:0:0:0:0:ffff:cb99:4b9b
203.153.75.156 0:0:0:0:0:ffff:cb99:4b9c
203.153.75.157 0:0:0:0:0:ffff:cb99:4b9d
203.153.75.158 0:0:0:0:0:ffff:cb99:4b9e
203.153.75.159 0:0:0:0:0:ffff:cb99:4b9f
203.153.75.160 0:0:0:0:0:ffff:cb99:4ba0
203.153.75.161 0:0:0:0:0:ffff:cb99:4ba1
203.153.75.162 0:0:0:0:0:ffff:cb99:4ba2
203.153.75.163 0:0:0:0:0:ffff:cb99:4ba3
203.153.75.164 0:0:0:0:0:ffff:cb99:4ba4
203.153.75.165 0:0:0:0:0:ffff:cb99:4ba5
203.153.75.166 0:0:0:0:0:ffff:cb99:4ba6
203.153.75.167 0:0:0:0:0:ffff:cb99:4ba7
203.153.75.168 0:0:0:0:0:ffff:cb99:4ba8
203.153.75.169 0:0:0:0:0:ffff:cb99:4ba9
203.153.75.170 0:0:0:0:0:ffff:cb99:4baa
203.153.75.171 0:0:0:0:0:ffff:cb99:4bab
203.153.75.172 0:0:0:0:0:ffff:cb99:4bac
203.153.75.173 0:0:0:0:0:ffff:cb99:4bad
203.153.75.174 0:0:0:0:0:ffff:cb99:4bae
203.153.75.175 0:0:0:0:0:ffff:cb99:4baf
203.153.75.176 0:0:0:0:0:ffff:cb99:4bb0
203.153.75.177 0:0:0:0:0:ffff:cb99:4bb1
203.153.75.178 0:0:0:0:0:ffff:cb99:4bb2
203.153.75.179 0:0:0:0:0:ffff:cb99:4bb3
203.153.75.180 0:0:0:0:0:ffff:cb99:4bb4


203.153.75.181 0:0:0:0:0:ffff:cb99:4bb5
203.153.75.182 0:0:0:0:0:ffff:cb99:4bb6
203.153.75.183 0:0:0:0:0:ffff:cb99:4bb7
203.153.75.184 0:0:0:0:0:ffff:cb99:4bb8
203.153.75.185 0:0:0:0:0:ffff:cb99:4bb9
203.153.75.186 0:0:0:0:0:ffff:cb99:4bba
203.153.75.187 0:0:0:0:0:ffff:cb99:4bbb
203.153.75.188 0:0:0:0:0:ffff:cb99:4bbc
203.153.75.189 0:0:0:0:0:ffff:cb99:4bbd
203.153.75.190 0:0:0:0:0:ffff:cb99:4bbe
203.153.75.191 0:0:0:0:0:ffff:cb99:4bbf
203.153.75.192 0:0:0:0:0:ffff:cb99:4bc0
203.153.75.193 0:0:0:0:0:ffff:cb99:4bc1
203.153.75.194 0:0:0:0:0:ffff:cb99:4bc2
203.153.75.195 0:0:0:0:0:ffff:cb99:4bc3
203.153.75.196 0:0:0:0:0:ffff:cb99:4bc4
203.153.75.197 0:0:0:0:0:ffff:cb99:4bc5
203.153.75.198 0:0:0:0:0:ffff:cb99:4bc6
203.153.75.199 0:0:0:0:0:ffff:cb99:4bc7
203.153.75.200 0:0:0:0:0:ffff:cb99:4bc8
203.153.75.201 0:0:0:0:0:ffff:cb99:4bc9
203.153.75.202 0:0:0:0:0:ffff:cb99:4bca
203.153.75.203 0:0:0:0:0:ffff:cb99:4bcb
203.153.75.204 0:0:0:0:0:ffff:cb99:4bcc
203.153.75.205 0:0:0:0:0:ffff:cb99:4bcd
203.153.75.206 0:0:0:0:0:ffff:cb99:4bce
203.153.75.207 0:0:0:0:0:ffff:cb99:4bcf
203.153.75.208 0:0:0:0:0:ffff:cb99:4bd0
203.153.75.209 0:0:0:0:0:ffff:cb99:4bd1
203.153.75.210 0:0:0:0:0:ffff:cb99:4bd2
203.153.75.211 0:0:0:0:0:ffff:cb99:4bd3
203.153.75.212 0:0:0:0:0:ffff:cb99:4bd4
203.153.75.213 0:0:0:0:0:ffff:cb99:4bd5
203.153.75.214 0:0:0:0:0:ffff:cb99:4bd6
203.153.75.215 0:0:0:0:0:ffff:cb99:4bd7
203.153.75.216 0:0:0:0:0:ffff:cb99:4bd8
203.153.75.217 0:0:0:0:0:ffff:cb99:4bd9
203.153.75.218 0:0:0:0:0:ffff:cb99:4bda
203.153.75.219 0:0:0:0:0:ffff:cb99:4bdb
203.153.75.220 0:0:0:0:0:ffff:cb99:4bdc
203.153.75.221 0:0:0:0:0:ffff:cb99:4bdd
203.153.75.222 0:0:0:0:0:ffff:cb99:4bde
203.153.75.223 0:0:0:0:0:ffff:cb99:4bdf
203.153.75.224 0:0:0:0:0:ffff:cb99:4be0
203.153.75.225 0:0:0:0:0:ffff:cb99:4be1
203.153.75.226 0:0:0:0:0:ffff:cb99:4be2
203.153.75.227 0:0:0:0:0:ffff:cb99:4be3
203.153.75.228 0:0:0:0:0:ffff:cb99:4be4
203.153.75.229 0:0:0:0:0:ffff:cb99:4be5
203.153.75.230 0:0:0:0:0:ffff:cb99:4be6
203.153.75.231 0:0:0:0:0:ffff:cb99:4be7
203.153.75.232 0:0:0:0:0:ffff:cb99:4be8
203.153.75.233 0:0:0:0:0:ffff:cb99:4be9
203.153.75.234 0:0:0:0:0:ffff:cb99:4bea
203.153.75.235 0:0:0:0:0:ffff:cb99:4beb
203.153.75.236 0:0:0:0:0:ffff:cb99:4bec
203.153.75.237 0:0:0:0:0:ffff:cb99:4bed
203.153.75.238 0:0:0:0:0:ffff:cb99:4bee
203.153.75.239 0:0:0:0:0:ffff:cb99:4bef
203.153.75.240 0:0:0:0:0:ffff:cb99:4bf0
203.153.75.241 0:0:0:0:0:ffff:cb99:4bf1
203.153.75.242 0:0:0:0:0:ffff:cb99:4bf2
203.153.75.243 0:0:0:0:0:ffff:cb99:4bf3
203.153.75.244 0:0:0:0:0:ffff:cb99:4bf4
203.153.75.245 0:0:0:0:0:ffff:cb99:4bf5
203.153.75.246 0:0:0:0:0:ffff:cb99:4bf6
203.153.75.247 0:0:0:0:0:ffff:cb99:4bf7
203.153.75.248 0:0:0:0:0:ffff:cb99:4bf8
203.153.75.249 0:0:0:0:0:ffff:cb99:4bf9
203.153.75.250 0:0:0:0:0:ffff:cb99:4bfa
203.153.75.251 0:0:0:0:0:ffff:cb99:4bfb
203.153.75.252 0:0:0:0:0:ffff:cb99:4bfc
203.153.75.253 0:0:0:0:0:ffff:cb99:4bfd
203.153.75.254 0:0:0:0:0:ffff:cb99:4bfe
203.153.75.255 0:0:0:0:0:ffff:cb99:4bff


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.