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
66.188.27.1 0:0:0:0:0:ffff:42bc:1b01
66.188.27.2 0:0:0:0:0:ffff:42bc:1b02
66.188.27.3 0:0:0:0:0:ffff:42bc:1b03
66.188.27.4 0:0:0:0:0:ffff:42bc:1b04
66.188.27.5 0:0:0:0:0:ffff:42bc:1b05
66.188.27.6 0:0:0:0:0:ffff:42bc:1b06
66.188.27.7 0:0:0:0:0:ffff:42bc:1b07
66.188.27.8 0:0:0:0:0:ffff:42bc:1b08
66.188.27.9 0:0:0:0:0:ffff:42bc:1b09
66.188.27.10 0:0:0:0:0:ffff:42bc:1b0a
66.188.27.11 0:0:0:0:0:ffff:42bc:1b0b
66.188.27.12 0:0:0:0:0:ffff:42bc:1b0c
66.188.27.13 0:0:0:0:0:ffff:42bc:1b0d
66.188.27.14 0:0:0:0:0:ffff:42bc:1b0e
66.188.27.15 0:0:0:0:0:ffff:42bc:1b0f
66.188.27.16 0:0:0:0:0:ffff:42bc:1b10
66.188.27.17 0:0:0:0:0:ffff:42bc:1b11
66.188.27.18 0:0:0:0:0:ffff:42bc:1b12
66.188.27.19 0:0:0:0:0:ffff:42bc:1b13
66.188.27.20 0:0:0:0:0:ffff:42bc:1b14
66.188.27.21 0:0:0:0:0:ffff:42bc:1b15
66.188.27.22 0:0:0:0:0:ffff:42bc:1b16
66.188.27.23 0:0:0:0:0:ffff:42bc:1b17
66.188.27.24 0:0:0:0:0:ffff:42bc:1b18
66.188.27.25 0:0:0:0:0:ffff:42bc:1b19
66.188.27.26 0:0:0:0:0:ffff:42bc:1b1a
66.188.27.27 0:0:0:0:0:ffff:42bc:1b1b
66.188.27.28 0:0:0:0:0:ffff:42bc:1b1c
66.188.27.29 0:0:0:0:0:ffff:42bc:1b1d
66.188.27.30 0:0:0:0:0:ffff:42bc:1b1e
66.188.27.31 0:0:0:0:0:ffff:42bc:1b1f
66.188.27.32 0:0:0:0:0:ffff:42bc:1b20
66.188.27.33 0:0:0:0:0:ffff:42bc:1b21
66.188.27.34 0:0:0:0:0:ffff:42bc:1b22
66.188.27.35 0:0:0:0:0:ffff:42bc:1b23
66.188.27.36 0:0:0:0:0:ffff:42bc:1b24
66.188.27.37 0:0:0:0:0:ffff:42bc:1b25
66.188.27.38 0:0:0:0:0:ffff:42bc:1b26
66.188.27.39 0:0:0:0:0:ffff:42bc:1b27
66.188.27.40 0:0:0:0:0:ffff:42bc:1b28
66.188.27.41 0:0:0:0:0:ffff:42bc:1b29
66.188.27.42 0:0:0:0:0:ffff:42bc:1b2a
66.188.27.43 0:0:0:0:0:ffff:42bc:1b2b
66.188.27.44 0:0:0:0:0:ffff:42bc:1b2c
66.188.27.45 0:0:0:0:0:ffff:42bc:1b2d
66.188.27.46 0:0:0:0:0:ffff:42bc:1b2e
66.188.27.47 0:0:0:0:0:ffff:42bc:1b2f
66.188.27.48 0:0:0:0:0:ffff:42bc:1b30
66.188.27.49 0:0:0:0:0:ffff:42bc:1b31
66.188.27.50 0:0:0:0:0:ffff:42bc:1b32
66.188.27.51 0:0:0:0:0:ffff:42bc:1b33
66.188.27.52 0:0:0:0:0:ffff:42bc:1b34
66.188.27.53 0:0:0:0:0:ffff:42bc:1b35
66.188.27.54 0:0:0:0:0:ffff:42bc:1b36
66.188.27.55 0:0:0:0:0:ffff:42bc:1b37
66.188.27.56 0:0:0:0:0:ffff:42bc:1b38
66.188.27.57 0:0:0:0:0:ffff:42bc:1b39
66.188.27.58 0:0:0:0:0:ffff:42bc:1b3a
66.188.27.59 0:0:0:0:0:ffff:42bc:1b3b
66.188.27.60 0:0:0:0:0:ffff:42bc:1b3c


66.188.27.61 0:0:0:0:0:ffff:42bc:1b3d
66.188.27.62 0:0:0:0:0:ffff:42bc:1b3e
66.188.27.63 0:0:0:0:0:ffff:42bc:1b3f
66.188.27.64 0:0:0:0:0:ffff:42bc:1b40
66.188.27.65 0:0:0:0:0:ffff:42bc:1b41
66.188.27.66 0:0:0:0:0:ffff:42bc:1b42
66.188.27.67 0:0:0:0:0:ffff:42bc:1b43
66.188.27.68 0:0:0:0:0:ffff:42bc:1b44
66.188.27.69 0:0:0:0:0:ffff:42bc:1b45
66.188.27.70 0:0:0:0:0:ffff:42bc:1b46
66.188.27.71 0:0:0:0:0:ffff:42bc:1b47
66.188.27.72 0:0:0:0:0:ffff:42bc:1b48
66.188.27.73 0:0:0:0:0:ffff:42bc:1b49
66.188.27.74 0:0:0:0:0:ffff:42bc:1b4a
66.188.27.75 0:0:0:0:0:ffff:42bc:1b4b
66.188.27.76 0:0:0:0:0:ffff:42bc:1b4c
66.188.27.77 0:0:0:0:0:ffff:42bc:1b4d
66.188.27.78 0:0:0:0:0:ffff:42bc:1b4e
66.188.27.79 0:0:0:0:0:ffff:42bc:1b4f
66.188.27.80 0:0:0:0:0:ffff:42bc:1b50
66.188.27.81 0:0:0:0:0:ffff:42bc:1b51
66.188.27.82 0:0:0:0:0:ffff:42bc:1b52
66.188.27.83 0:0:0:0:0:ffff:42bc:1b53
66.188.27.84 0:0:0:0:0:ffff:42bc:1b54
66.188.27.85 0:0:0:0:0:ffff:42bc:1b55
66.188.27.86 0:0:0:0:0:ffff:42bc:1b56
66.188.27.87 0:0:0:0:0:ffff:42bc:1b57
66.188.27.88 0:0:0:0:0:ffff:42bc:1b58
66.188.27.89 0:0:0:0:0:ffff:42bc:1b59
66.188.27.90 0:0:0:0:0:ffff:42bc:1b5a
66.188.27.91 0:0:0:0:0:ffff:42bc:1b5b
66.188.27.92 0:0:0:0:0:ffff:42bc:1b5c
66.188.27.93 0:0:0:0:0:ffff:42bc:1b5d
66.188.27.94 0:0:0:0:0:ffff:42bc:1b5e
66.188.27.95 0:0:0:0:0:ffff:42bc:1b5f
66.188.27.96 0:0:0:0:0:ffff:42bc:1b60
66.188.27.97 0:0:0:0:0:ffff:42bc:1b61
66.188.27.98 0:0:0:0:0:ffff:42bc:1b62
66.188.27.99 0:0:0:0:0:ffff:42bc:1b63
66.188.27.100 0:0:0:0:0:ffff:42bc:1b64
66.188.27.101 0:0:0:0:0:ffff:42bc:1b65
66.188.27.102 0:0:0:0:0:ffff:42bc:1b66
66.188.27.103 0:0:0:0:0:ffff:42bc:1b67
66.188.27.104 0:0:0:0:0:ffff:42bc:1b68
66.188.27.105 0:0:0:0:0:ffff:42bc:1b69
66.188.27.106 0:0:0:0:0:ffff:42bc:1b6a
66.188.27.107 0:0:0:0:0:ffff:42bc:1b6b
66.188.27.108 0:0:0:0:0:ffff:42bc:1b6c
66.188.27.109 0:0:0:0:0:ffff:42bc:1b6d
66.188.27.110 0:0:0:0:0:ffff:42bc:1b6e
66.188.27.111 0:0:0:0:0:ffff:42bc:1b6f
66.188.27.112 0:0:0:0:0:ffff:42bc:1b70
66.188.27.113 0:0:0:0:0:ffff:42bc:1b71
66.188.27.114 0:0:0:0:0:ffff:42bc:1b72
66.188.27.115 0:0:0:0:0:ffff:42bc:1b73
66.188.27.116 0:0:0:0:0:ffff:42bc:1b74
66.188.27.117 0:0:0:0:0:ffff:42bc:1b75
66.188.27.118 0:0:0:0:0:ffff:42bc:1b76
66.188.27.119 0:0:0:0:0:ffff:42bc:1b77
66.188.27.120 0:0:0:0:0:ffff:42bc:1b78


66.188.27.121 0:0:0:0:0:ffff:42bc:1b79
66.188.27.122 0:0:0:0:0:ffff:42bc:1b7a
66.188.27.123 0:0:0:0:0:ffff:42bc:1b7b
66.188.27.124 0:0:0:0:0:ffff:42bc:1b7c
66.188.27.125 0:0:0:0:0:ffff:42bc:1b7d
66.188.27.126 0:0:0:0:0:ffff:42bc:1b7e
66.188.27.127 0:0:0:0:0:ffff:42bc:1b7f
66.188.27.128 0:0:0:0:0:ffff:42bc:1b80
66.188.27.129 0:0:0:0:0:ffff:42bc:1b81
66.188.27.130 0:0:0:0:0:ffff:42bc:1b82
66.188.27.131 0:0:0:0:0:ffff:42bc:1b83
66.188.27.132 0:0:0:0:0:ffff:42bc:1b84
66.188.27.133 0:0:0:0:0:ffff:42bc:1b85
66.188.27.134 0:0:0:0:0:ffff:42bc:1b86
66.188.27.135 0:0:0:0:0:ffff:42bc:1b87
66.188.27.136 0:0:0:0:0:ffff:42bc:1b88
66.188.27.137 0:0:0:0:0:ffff:42bc:1b89
66.188.27.138 0:0:0:0:0:ffff:42bc:1b8a
66.188.27.139 0:0:0:0:0:ffff:42bc:1b8b
66.188.27.140 0:0:0:0:0:ffff:42bc:1b8c
66.188.27.141 0:0:0:0:0:ffff:42bc:1b8d
66.188.27.142 0:0:0:0:0:ffff:42bc:1b8e
66.188.27.143 0:0:0:0:0:ffff:42bc:1b8f
66.188.27.144 0:0:0:0:0:ffff:42bc:1b90
66.188.27.145 0:0:0:0:0:ffff:42bc:1b91
66.188.27.146 0:0:0:0:0:ffff:42bc:1b92
66.188.27.147 0:0:0:0:0:ffff:42bc:1b93
66.188.27.148 0:0:0:0:0:ffff:42bc:1b94
66.188.27.149 0:0:0:0:0:ffff:42bc:1b95
66.188.27.150 0:0:0:0:0:ffff:42bc:1b96
66.188.27.151 0:0:0:0:0:ffff:42bc:1b97
66.188.27.152 0:0:0:0:0:ffff:42bc:1b98
66.188.27.153 0:0:0:0:0:ffff:42bc:1b99
66.188.27.154 0:0:0:0:0:ffff:42bc:1b9a
66.188.27.155 0:0:0:0:0:ffff:42bc:1b9b
66.188.27.156 0:0:0:0:0:ffff:42bc:1b9c
66.188.27.157 0:0:0:0:0:ffff:42bc:1b9d
66.188.27.158 0:0:0:0:0:ffff:42bc:1b9e
66.188.27.159 0:0:0:0:0:ffff:42bc:1b9f
66.188.27.160 0:0:0:0:0:ffff:42bc:1ba0
66.188.27.161 0:0:0:0:0:ffff:42bc:1ba1
66.188.27.162 0:0:0:0:0:ffff:42bc:1ba2
66.188.27.163 0:0:0:0:0:ffff:42bc:1ba3
66.188.27.164 0:0:0:0:0:ffff:42bc:1ba4
66.188.27.165 0:0:0:0:0:ffff:42bc:1ba5
66.188.27.166 0:0:0:0:0:ffff:42bc:1ba6
66.188.27.167 0:0:0:0:0:ffff:42bc:1ba7
66.188.27.168 0:0:0:0:0:ffff:42bc:1ba8
66.188.27.169 0:0:0:0:0:ffff:42bc:1ba9
66.188.27.170 0:0:0:0:0:ffff:42bc:1baa
66.188.27.171 0:0:0:0:0:ffff:42bc:1bab
66.188.27.172 0:0:0:0:0:ffff:42bc:1bac
66.188.27.173 0:0:0:0:0:ffff:42bc:1bad
66.188.27.174 0:0:0:0:0:ffff:42bc:1bae
66.188.27.175 0:0:0:0:0:ffff:42bc:1baf
66.188.27.176 0:0:0:0:0:ffff:42bc:1bb0
66.188.27.177 0:0:0:0:0:ffff:42bc:1bb1
66.188.27.178 0:0:0:0:0:ffff:42bc:1bb2
66.188.27.179 0:0:0:0:0:ffff:42bc:1bb3
66.188.27.180 0:0:0:0:0:ffff:42bc:1bb4


66.188.27.181 0:0:0:0:0:ffff:42bc:1bb5
66.188.27.182 0:0:0:0:0:ffff:42bc:1bb6
66.188.27.183 0:0:0:0:0:ffff:42bc:1bb7
66.188.27.184 0:0:0:0:0:ffff:42bc:1bb8
66.188.27.185 0:0:0:0:0:ffff:42bc:1bb9
66.188.27.186 0:0:0:0:0:ffff:42bc:1bba
66.188.27.187 0:0:0:0:0:ffff:42bc:1bbb
66.188.27.188 0:0:0:0:0:ffff:42bc:1bbc
66.188.27.189 0:0:0:0:0:ffff:42bc:1bbd
66.188.27.190 0:0:0:0:0:ffff:42bc:1bbe
66.188.27.191 0:0:0:0:0:ffff:42bc:1bbf
66.188.27.192 0:0:0:0:0:ffff:42bc:1bc0
66.188.27.193 0:0:0:0:0:ffff:42bc:1bc1
66.188.27.194 0:0:0:0:0:ffff:42bc:1bc2
66.188.27.195 0:0:0:0:0:ffff:42bc:1bc3
66.188.27.196 0:0:0:0:0:ffff:42bc:1bc4
66.188.27.197 0:0:0:0:0:ffff:42bc:1bc5
66.188.27.198 0:0:0:0:0:ffff:42bc:1bc6
66.188.27.199 0:0:0:0:0:ffff:42bc:1bc7
66.188.27.200 0:0:0:0:0:ffff:42bc:1bc8
66.188.27.201 0:0:0:0:0:ffff:42bc:1bc9
66.188.27.202 0:0:0:0:0:ffff:42bc:1bca
66.188.27.203 0:0:0:0:0:ffff:42bc:1bcb
66.188.27.204 0:0:0:0:0:ffff:42bc:1bcc
66.188.27.205 0:0:0:0:0:ffff:42bc:1bcd
66.188.27.206 0:0:0:0:0:ffff:42bc:1bce
66.188.27.207 0:0:0:0:0:ffff:42bc:1bcf
66.188.27.208 0:0:0:0:0:ffff:42bc:1bd0
66.188.27.209 0:0:0:0:0:ffff:42bc:1bd1
66.188.27.210 0:0:0:0:0:ffff:42bc:1bd2
66.188.27.211 0:0:0:0:0:ffff:42bc:1bd3
66.188.27.212 0:0:0:0:0:ffff:42bc:1bd4
66.188.27.213 0:0:0:0:0:ffff:42bc:1bd5
66.188.27.214 0:0:0:0:0:ffff:42bc:1bd6
66.188.27.215 0:0:0:0:0:ffff:42bc:1bd7
66.188.27.216 0:0:0:0:0:ffff:42bc:1bd8
66.188.27.217 0:0:0:0:0:ffff:42bc:1bd9
66.188.27.218 0:0:0:0:0:ffff:42bc:1bda
66.188.27.219 0:0:0:0:0:ffff:42bc:1bdb
66.188.27.220 0:0:0:0:0:ffff:42bc:1bdc
66.188.27.221 0:0:0:0:0:ffff:42bc:1bdd
66.188.27.222 0:0:0:0:0:ffff:42bc:1bde
66.188.27.223 0:0:0:0:0:ffff:42bc:1bdf
66.188.27.224 0:0:0:0:0:ffff:42bc:1be0
66.188.27.225 0:0:0:0:0:ffff:42bc:1be1
66.188.27.226 0:0:0:0:0:ffff:42bc:1be2
66.188.27.227 0:0:0:0:0:ffff:42bc:1be3
66.188.27.228 0:0:0:0:0:ffff:42bc:1be4
66.188.27.229 0:0:0:0:0:ffff:42bc:1be5
66.188.27.230 0:0:0:0:0:ffff:42bc:1be6
66.188.27.231 0:0:0:0:0:ffff:42bc:1be7
66.188.27.232 0:0:0:0:0:ffff:42bc:1be8
66.188.27.233 0:0:0:0:0:ffff:42bc:1be9
66.188.27.234 0:0:0:0:0:ffff:42bc:1bea
66.188.27.235 0:0:0:0:0:ffff:42bc:1beb
66.188.27.236 0:0:0:0:0:ffff:42bc:1bec
66.188.27.237 0:0:0:0:0:ffff:42bc:1bed
66.188.27.238 0:0:0:0:0:ffff:42bc:1bee
66.188.27.239 0:0:0:0:0:ffff:42bc:1bef
66.188.27.240 0:0:0:0:0:ffff:42bc:1bf0
66.188.27.241 0:0:0:0:0:ffff:42bc:1bf1
66.188.27.242 0:0:0:0:0:ffff:42bc:1bf2
66.188.27.243 0:0:0:0:0:ffff:42bc:1bf3
66.188.27.244 0:0:0:0:0:ffff:42bc:1bf4
66.188.27.245 0:0:0:0:0:ffff:42bc:1bf5
66.188.27.246 0:0:0:0:0:ffff:42bc:1bf6
66.188.27.247 0:0:0:0:0:ffff:42bc:1bf7
66.188.27.248 0:0:0:0:0:ffff:42bc:1bf8
66.188.27.249 0:0:0:0:0:ffff:42bc:1bf9
66.188.27.250 0:0:0:0:0:ffff:42bc:1bfa
66.188.27.251 0:0:0:0:0:ffff:42bc:1bfb
66.188.27.252 0:0:0:0:0:ffff:42bc:1bfc
66.188.27.253 0:0:0:0:0:ffff:42bc:1bfd
66.188.27.254 0:0:0:0:0:ffff:42bc:1bfe
66.188.27.255 0:0:0:0:0:ffff:42bc:1bff


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.