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
236.166.30.1 0:0:0:0:0:ffff:eca6:1e01
236.166.30.2 0:0:0:0:0:ffff:eca6:1e02
236.166.30.3 0:0:0:0:0:ffff:eca6:1e03
236.166.30.4 0:0:0:0:0:ffff:eca6:1e04
236.166.30.5 0:0:0:0:0:ffff:eca6:1e05
236.166.30.6 0:0:0:0:0:ffff:eca6:1e06
236.166.30.7 0:0:0:0:0:ffff:eca6:1e07
236.166.30.8 0:0:0:0:0:ffff:eca6:1e08
236.166.30.9 0:0:0:0:0:ffff:eca6:1e09
236.166.30.10 0:0:0:0:0:ffff:eca6:1e0a
236.166.30.11 0:0:0:0:0:ffff:eca6:1e0b
236.166.30.12 0:0:0:0:0:ffff:eca6:1e0c
236.166.30.13 0:0:0:0:0:ffff:eca6:1e0d
236.166.30.14 0:0:0:0:0:ffff:eca6:1e0e
236.166.30.15 0:0:0:0:0:ffff:eca6:1e0f
236.166.30.16 0:0:0:0:0:ffff:eca6:1e10
236.166.30.17 0:0:0:0:0:ffff:eca6:1e11
236.166.30.18 0:0:0:0:0:ffff:eca6:1e12
236.166.30.19 0:0:0:0:0:ffff:eca6:1e13
236.166.30.20 0:0:0:0:0:ffff:eca6:1e14
236.166.30.21 0:0:0:0:0:ffff:eca6:1e15
236.166.30.22 0:0:0:0:0:ffff:eca6:1e16
236.166.30.23 0:0:0:0:0:ffff:eca6:1e17
236.166.30.24 0:0:0:0:0:ffff:eca6:1e18
236.166.30.25 0:0:0:0:0:ffff:eca6:1e19
236.166.30.26 0:0:0:0:0:ffff:eca6:1e1a
236.166.30.27 0:0:0:0:0:ffff:eca6:1e1b
236.166.30.28 0:0:0:0:0:ffff:eca6:1e1c
236.166.30.29 0:0:0:0:0:ffff:eca6:1e1d
236.166.30.30 0:0:0:0:0:ffff:eca6:1e1e
236.166.30.31 0:0:0:0:0:ffff:eca6:1e1f
236.166.30.32 0:0:0:0:0:ffff:eca6:1e20
236.166.30.33 0:0:0:0:0:ffff:eca6:1e21
236.166.30.34 0:0:0:0:0:ffff:eca6:1e22
236.166.30.35 0:0:0:0:0:ffff:eca6:1e23
236.166.30.36 0:0:0:0:0:ffff:eca6:1e24
236.166.30.37 0:0:0:0:0:ffff:eca6:1e25
236.166.30.38 0:0:0:0:0:ffff:eca6:1e26
236.166.30.39 0:0:0:0:0:ffff:eca6:1e27
236.166.30.40 0:0:0:0:0:ffff:eca6:1e28
236.166.30.41 0:0:0:0:0:ffff:eca6:1e29
236.166.30.42 0:0:0:0:0:ffff:eca6:1e2a
236.166.30.43 0:0:0:0:0:ffff:eca6:1e2b
236.166.30.44 0:0:0:0:0:ffff:eca6:1e2c
236.166.30.45 0:0:0:0:0:ffff:eca6:1e2d
236.166.30.46 0:0:0:0:0:ffff:eca6:1e2e
236.166.30.47 0:0:0:0:0:ffff:eca6:1e2f
236.166.30.48 0:0:0:0:0:ffff:eca6:1e30
236.166.30.49 0:0:0:0:0:ffff:eca6:1e31
236.166.30.50 0:0:0:0:0:ffff:eca6:1e32
236.166.30.51 0:0:0:0:0:ffff:eca6:1e33
236.166.30.52 0:0:0:0:0:ffff:eca6:1e34
236.166.30.53 0:0:0:0:0:ffff:eca6:1e35
236.166.30.54 0:0:0:0:0:ffff:eca6:1e36
236.166.30.55 0:0:0:0:0:ffff:eca6:1e37
236.166.30.56 0:0:0:0:0:ffff:eca6:1e38
236.166.30.57 0:0:0:0:0:ffff:eca6:1e39
236.166.30.58 0:0:0:0:0:ffff:eca6:1e3a
236.166.30.59 0:0:0:0:0:ffff:eca6:1e3b
236.166.30.60 0:0:0:0:0:ffff:eca6:1e3c


236.166.30.61 0:0:0:0:0:ffff:eca6:1e3d
236.166.30.62 0:0:0:0:0:ffff:eca6:1e3e
236.166.30.63 0:0:0:0:0:ffff:eca6:1e3f
236.166.30.64 0:0:0:0:0:ffff:eca6:1e40
236.166.30.65 0:0:0:0:0:ffff:eca6:1e41
236.166.30.66 0:0:0:0:0:ffff:eca6:1e42
236.166.30.67 0:0:0:0:0:ffff:eca6:1e43
236.166.30.68 0:0:0:0:0:ffff:eca6:1e44
236.166.30.69 0:0:0:0:0:ffff:eca6:1e45
236.166.30.70 0:0:0:0:0:ffff:eca6:1e46
236.166.30.71 0:0:0:0:0:ffff:eca6:1e47
236.166.30.72 0:0:0:0:0:ffff:eca6:1e48
236.166.30.73 0:0:0:0:0:ffff:eca6:1e49
236.166.30.74 0:0:0:0:0:ffff:eca6:1e4a
236.166.30.75 0:0:0:0:0:ffff:eca6:1e4b
236.166.30.76 0:0:0:0:0:ffff:eca6:1e4c
236.166.30.77 0:0:0:0:0:ffff:eca6:1e4d
236.166.30.78 0:0:0:0:0:ffff:eca6:1e4e
236.166.30.79 0:0:0:0:0:ffff:eca6:1e4f
236.166.30.80 0:0:0:0:0:ffff:eca6:1e50
236.166.30.81 0:0:0:0:0:ffff:eca6:1e51
236.166.30.82 0:0:0:0:0:ffff:eca6:1e52
236.166.30.83 0:0:0:0:0:ffff:eca6:1e53
236.166.30.84 0:0:0:0:0:ffff:eca6:1e54
236.166.30.85 0:0:0:0:0:ffff:eca6:1e55
236.166.30.86 0:0:0:0:0:ffff:eca6:1e56
236.166.30.87 0:0:0:0:0:ffff:eca6:1e57
236.166.30.88 0:0:0:0:0:ffff:eca6:1e58
236.166.30.89 0:0:0:0:0:ffff:eca6:1e59
236.166.30.90 0:0:0:0:0:ffff:eca6:1e5a
236.166.30.91 0:0:0:0:0:ffff:eca6:1e5b
236.166.30.92 0:0:0:0:0:ffff:eca6:1e5c
236.166.30.93 0:0:0:0:0:ffff:eca6:1e5d
236.166.30.94 0:0:0:0:0:ffff:eca6:1e5e
236.166.30.95 0:0:0:0:0:ffff:eca6:1e5f
236.166.30.96 0:0:0:0:0:ffff:eca6:1e60
236.166.30.97 0:0:0:0:0:ffff:eca6:1e61
236.166.30.98 0:0:0:0:0:ffff:eca6:1e62
236.166.30.99 0:0:0:0:0:ffff:eca6:1e63
236.166.30.100 0:0:0:0:0:ffff:eca6:1e64
236.166.30.101 0:0:0:0:0:ffff:eca6:1e65
236.166.30.102 0:0:0:0:0:ffff:eca6:1e66
236.166.30.103 0:0:0:0:0:ffff:eca6:1e67
236.166.30.104 0:0:0:0:0:ffff:eca6:1e68
236.166.30.105 0:0:0:0:0:ffff:eca6:1e69
236.166.30.106 0:0:0:0:0:ffff:eca6:1e6a
236.166.30.107 0:0:0:0:0:ffff:eca6:1e6b
236.166.30.108 0:0:0:0:0:ffff:eca6:1e6c
236.166.30.109 0:0:0:0:0:ffff:eca6:1e6d
236.166.30.110 0:0:0:0:0:ffff:eca6:1e6e
236.166.30.111 0:0:0:0:0:ffff:eca6:1e6f
236.166.30.112 0:0:0:0:0:ffff:eca6:1e70
236.166.30.113 0:0:0:0:0:ffff:eca6:1e71
236.166.30.114 0:0:0:0:0:ffff:eca6:1e72
236.166.30.115 0:0:0:0:0:ffff:eca6:1e73
236.166.30.116 0:0:0:0:0:ffff:eca6:1e74
236.166.30.117 0:0:0:0:0:ffff:eca6:1e75
236.166.30.118 0:0:0:0:0:ffff:eca6:1e76
236.166.30.119 0:0:0:0:0:ffff:eca6:1e77
236.166.30.120 0:0:0:0:0:ffff:eca6:1e78


236.166.30.121 0:0:0:0:0:ffff:eca6:1e79
236.166.30.122 0:0:0:0:0:ffff:eca6:1e7a
236.166.30.123 0:0:0:0:0:ffff:eca6:1e7b
236.166.30.124 0:0:0:0:0:ffff:eca6:1e7c
236.166.30.125 0:0:0:0:0:ffff:eca6:1e7d
236.166.30.126 0:0:0:0:0:ffff:eca6:1e7e
236.166.30.127 0:0:0:0:0:ffff:eca6:1e7f
236.166.30.128 0:0:0:0:0:ffff:eca6:1e80
236.166.30.129 0:0:0:0:0:ffff:eca6:1e81
236.166.30.130 0:0:0:0:0:ffff:eca6:1e82
236.166.30.131 0:0:0:0:0:ffff:eca6:1e83
236.166.30.132 0:0:0:0:0:ffff:eca6:1e84
236.166.30.133 0:0:0:0:0:ffff:eca6:1e85
236.166.30.134 0:0:0:0:0:ffff:eca6:1e86
236.166.30.135 0:0:0:0:0:ffff:eca6:1e87
236.166.30.136 0:0:0:0:0:ffff:eca6:1e88
236.166.30.137 0:0:0:0:0:ffff:eca6:1e89
236.166.30.138 0:0:0:0:0:ffff:eca6:1e8a
236.166.30.139 0:0:0:0:0:ffff:eca6:1e8b
236.166.30.140 0:0:0:0:0:ffff:eca6:1e8c
236.166.30.141 0:0:0:0:0:ffff:eca6:1e8d
236.166.30.142 0:0:0:0:0:ffff:eca6:1e8e
236.166.30.143 0:0:0:0:0:ffff:eca6:1e8f
236.166.30.144 0:0:0:0:0:ffff:eca6:1e90
236.166.30.145 0:0:0:0:0:ffff:eca6:1e91
236.166.30.146 0:0:0:0:0:ffff:eca6:1e92
236.166.30.147 0:0:0:0:0:ffff:eca6:1e93
236.166.30.148 0:0:0:0:0:ffff:eca6:1e94
236.166.30.149 0:0:0:0:0:ffff:eca6:1e95
236.166.30.150 0:0:0:0:0:ffff:eca6:1e96
236.166.30.151 0:0:0:0:0:ffff:eca6:1e97
236.166.30.152 0:0:0:0:0:ffff:eca6:1e98
236.166.30.153 0:0:0:0:0:ffff:eca6:1e99
236.166.30.154 0:0:0:0:0:ffff:eca6:1e9a
236.166.30.155 0:0:0:0:0:ffff:eca6:1e9b
236.166.30.156 0:0:0:0:0:ffff:eca6:1e9c
236.166.30.157 0:0:0:0:0:ffff:eca6:1e9d
236.166.30.158 0:0:0:0:0:ffff:eca6:1e9e
236.166.30.159 0:0:0:0:0:ffff:eca6:1e9f
236.166.30.160 0:0:0:0:0:ffff:eca6:1ea0
236.166.30.161 0:0:0:0:0:ffff:eca6:1ea1
236.166.30.162 0:0:0:0:0:ffff:eca6:1ea2
236.166.30.163 0:0:0:0:0:ffff:eca6:1ea3
236.166.30.164 0:0:0:0:0:ffff:eca6:1ea4
236.166.30.165 0:0:0:0:0:ffff:eca6:1ea5
236.166.30.166 0:0:0:0:0:ffff:eca6:1ea6
236.166.30.167 0:0:0:0:0:ffff:eca6:1ea7
236.166.30.168 0:0:0:0:0:ffff:eca6:1ea8
236.166.30.169 0:0:0:0:0:ffff:eca6:1ea9
236.166.30.170 0:0:0:0:0:ffff:eca6:1eaa
236.166.30.171 0:0:0:0:0:ffff:eca6:1eab
236.166.30.172 0:0:0:0:0:ffff:eca6:1eac
236.166.30.173 0:0:0:0:0:ffff:eca6:1ead
236.166.30.174 0:0:0:0:0:ffff:eca6:1eae
236.166.30.175 0:0:0:0:0:ffff:eca6:1eaf
236.166.30.176 0:0:0:0:0:ffff:eca6:1eb0
236.166.30.177 0:0:0:0:0:ffff:eca6:1eb1
236.166.30.178 0:0:0:0:0:ffff:eca6:1eb2
236.166.30.179 0:0:0:0:0:ffff:eca6:1eb3
236.166.30.180 0:0:0:0:0:ffff:eca6:1eb4


236.166.30.181 0:0:0:0:0:ffff:eca6:1eb5
236.166.30.182 0:0:0:0:0:ffff:eca6:1eb6
236.166.30.183 0:0:0:0:0:ffff:eca6:1eb7
236.166.30.184 0:0:0:0:0:ffff:eca6:1eb8
236.166.30.185 0:0:0:0:0:ffff:eca6:1eb9
236.166.30.186 0:0:0:0:0:ffff:eca6:1eba
236.166.30.187 0:0:0:0:0:ffff:eca6:1ebb
236.166.30.188 0:0:0:0:0:ffff:eca6:1ebc
236.166.30.189 0:0:0:0:0:ffff:eca6:1ebd
236.166.30.190 0:0:0:0:0:ffff:eca6:1ebe
236.166.30.191 0:0:0:0:0:ffff:eca6:1ebf
236.166.30.192 0:0:0:0:0:ffff:eca6:1ec0
236.166.30.193 0:0:0:0:0:ffff:eca6:1ec1
236.166.30.194 0:0:0:0:0:ffff:eca6:1ec2
236.166.30.195 0:0:0:0:0:ffff:eca6:1ec3
236.166.30.196 0:0:0:0:0:ffff:eca6:1ec4
236.166.30.197 0:0:0:0:0:ffff:eca6:1ec5
236.166.30.198 0:0:0:0:0:ffff:eca6:1ec6
236.166.30.199 0:0:0:0:0:ffff:eca6:1ec7
236.166.30.200 0:0:0:0:0:ffff:eca6:1ec8
236.166.30.201 0:0:0:0:0:ffff:eca6:1ec9
236.166.30.202 0:0:0:0:0:ffff:eca6:1eca
236.166.30.203 0:0:0:0:0:ffff:eca6:1ecb
236.166.30.204 0:0:0:0:0:ffff:eca6:1ecc
236.166.30.205 0:0:0:0:0:ffff:eca6:1ecd
236.166.30.206 0:0:0:0:0:ffff:eca6:1ece
236.166.30.207 0:0:0:0:0:ffff:eca6:1ecf
236.166.30.208 0:0:0:0:0:ffff:eca6:1ed0
236.166.30.209 0:0:0:0:0:ffff:eca6:1ed1
236.166.30.210 0:0:0:0:0:ffff:eca6:1ed2
236.166.30.211 0:0:0:0:0:ffff:eca6:1ed3
236.166.30.212 0:0:0:0:0:ffff:eca6:1ed4
236.166.30.213 0:0:0:0:0:ffff:eca6:1ed5
236.166.30.214 0:0:0:0:0:ffff:eca6:1ed6
236.166.30.215 0:0:0:0:0:ffff:eca6:1ed7
236.166.30.216 0:0:0:0:0:ffff:eca6:1ed8
236.166.30.217 0:0:0:0:0:ffff:eca6:1ed9
236.166.30.218 0:0:0:0:0:ffff:eca6:1eda
236.166.30.219 0:0:0:0:0:ffff:eca6:1edb
236.166.30.220 0:0:0:0:0:ffff:eca6:1edc
236.166.30.221 0:0:0:0:0:ffff:eca6:1edd
236.166.30.222 0:0:0:0:0:ffff:eca6:1ede
236.166.30.223 0:0:0:0:0:ffff:eca6:1edf
236.166.30.224 0:0:0:0:0:ffff:eca6:1ee0
236.166.30.225 0:0:0:0:0:ffff:eca6:1ee1
236.166.30.226 0:0:0:0:0:ffff:eca6:1ee2
236.166.30.227 0:0:0:0:0:ffff:eca6:1ee3
236.166.30.228 0:0:0:0:0:ffff:eca6:1ee4
236.166.30.229 0:0:0:0:0:ffff:eca6:1ee5
236.166.30.230 0:0:0:0:0:ffff:eca6:1ee6
236.166.30.231 0:0:0:0:0:ffff:eca6:1ee7
236.166.30.232 0:0:0:0:0:ffff:eca6:1ee8
236.166.30.233 0:0:0:0:0:ffff:eca6:1ee9
236.166.30.234 0:0:0:0:0:ffff:eca6:1eea
236.166.30.235 0:0:0:0:0:ffff:eca6:1eeb
236.166.30.236 0:0:0:0:0:ffff:eca6:1eec
236.166.30.237 0:0:0:0:0:ffff:eca6:1eed
236.166.30.238 0:0:0:0:0:ffff:eca6:1eee
236.166.30.239 0:0:0:0:0:ffff:eca6:1eef
236.166.30.240 0:0:0:0:0:ffff:eca6:1ef0
236.166.30.241 0:0:0:0:0:ffff:eca6:1ef1
236.166.30.242 0:0:0:0:0:ffff:eca6:1ef2
236.166.30.243 0:0:0:0:0:ffff:eca6:1ef3
236.166.30.244 0:0:0:0:0:ffff:eca6:1ef4
236.166.30.245 0:0:0:0:0:ffff:eca6:1ef5
236.166.30.246 0:0:0:0:0:ffff:eca6:1ef6
236.166.30.247 0:0:0:0:0:ffff:eca6:1ef7
236.166.30.248 0:0:0:0:0:ffff:eca6:1ef8
236.166.30.249 0:0:0:0:0:ffff:eca6:1ef9
236.166.30.250 0:0:0:0:0:ffff:eca6:1efa
236.166.30.251 0:0:0:0:0:ffff:eca6:1efb
236.166.30.252 0:0:0:0:0:ffff:eca6:1efc
236.166.30.253 0:0:0:0:0:ffff:eca6:1efd
236.166.30.254 0:0:0:0:0:ffff:eca6:1efe
236.166.30.255 0:0:0:0:0:ffff:eca6:1eff


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.