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
166.90.27.1 0:0:0:0:0:ffff:a65a:1b01
166.90.27.2 0:0:0:0:0:ffff:a65a:1b02
166.90.27.3 0:0:0:0:0:ffff:a65a:1b03
166.90.27.4 0:0:0:0:0:ffff:a65a:1b04
166.90.27.5 0:0:0:0:0:ffff:a65a:1b05
166.90.27.6 0:0:0:0:0:ffff:a65a:1b06
166.90.27.7 0:0:0:0:0:ffff:a65a:1b07
166.90.27.8 0:0:0:0:0:ffff:a65a:1b08
166.90.27.9 0:0:0:0:0:ffff:a65a:1b09
166.90.27.10 0:0:0:0:0:ffff:a65a:1b0a
166.90.27.11 0:0:0:0:0:ffff:a65a:1b0b
166.90.27.12 0:0:0:0:0:ffff:a65a:1b0c
166.90.27.13 0:0:0:0:0:ffff:a65a:1b0d
166.90.27.14 0:0:0:0:0:ffff:a65a:1b0e
166.90.27.15 0:0:0:0:0:ffff:a65a:1b0f
166.90.27.16 0:0:0:0:0:ffff:a65a:1b10
166.90.27.17 0:0:0:0:0:ffff:a65a:1b11
166.90.27.18 0:0:0:0:0:ffff:a65a:1b12
166.90.27.19 0:0:0:0:0:ffff:a65a:1b13
166.90.27.20 0:0:0:0:0:ffff:a65a:1b14
166.90.27.21 0:0:0:0:0:ffff:a65a:1b15
166.90.27.22 0:0:0:0:0:ffff:a65a:1b16
166.90.27.23 0:0:0:0:0:ffff:a65a:1b17
166.90.27.24 0:0:0:0:0:ffff:a65a:1b18
166.90.27.25 0:0:0:0:0:ffff:a65a:1b19
166.90.27.26 0:0:0:0:0:ffff:a65a:1b1a
166.90.27.27 0:0:0:0:0:ffff:a65a:1b1b
166.90.27.28 0:0:0:0:0:ffff:a65a:1b1c
166.90.27.29 0:0:0:0:0:ffff:a65a:1b1d
166.90.27.30 0:0:0:0:0:ffff:a65a:1b1e
166.90.27.31 0:0:0:0:0:ffff:a65a:1b1f
166.90.27.32 0:0:0:0:0:ffff:a65a:1b20
166.90.27.33 0:0:0:0:0:ffff:a65a:1b21
166.90.27.34 0:0:0:0:0:ffff:a65a:1b22
166.90.27.35 0:0:0:0:0:ffff:a65a:1b23
166.90.27.36 0:0:0:0:0:ffff:a65a:1b24
166.90.27.37 0:0:0:0:0:ffff:a65a:1b25
166.90.27.38 0:0:0:0:0:ffff:a65a:1b26
166.90.27.39 0:0:0:0:0:ffff:a65a:1b27
166.90.27.40 0:0:0:0:0:ffff:a65a:1b28
166.90.27.41 0:0:0:0:0:ffff:a65a:1b29
166.90.27.42 0:0:0:0:0:ffff:a65a:1b2a
166.90.27.43 0:0:0:0:0:ffff:a65a:1b2b
166.90.27.44 0:0:0:0:0:ffff:a65a:1b2c
166.90.27.45 0:0:0:0:0:ffff:a65a:1b2d
166.90.27.46 0:0:0:0:0:ffff:a65a:1b2e
166.90.27.47 0:0:0:0:0:ffff:a65a:1b2f
166.90.27.48 0:0:0:0:0:ffff:a65a:1b30
166.90.27.49 0:0:0:0:0:ffff:a65a:1b31
166.90.27.50 0:0:0:0:0:ffff:a65a:1b32
166.90.27.51 0:0:0:0:0:ffff:a65a:1b33
166.90.27.52 0:0:0:0:0:ffff:a65a:1b34
166.90.27.53 0:0:0:0:0:ffff:a65a:1b35
166.90.27.54 0:0:0:0:0:ffff:a65a:1b36
166.90.27.55 0:0:0:0:0:ffff:a65a:1b37
166.90.27.56 0:0:0:0:0:ffff:a65a:1b38
166.90.27.57 0:0:0:0:0:ffff:a65a:1b39
166.90.27.58 0:0:0:0:0:ffff:a65a:1b3a
166.90.27.59 0:0:0:0:0:ffff:a65a:1b3b
166.90.27.60 0:0:0:0:0:ffff:a65a:1b3c


166.90.27.61 0:0:0:0:0:ffff:a65a:1b3d
166.90.27.62 0:0:0:0:0:ffff:a65a:1b3e
166.90.27.63 0:0:0:0:0:ffff:a65a:1b3f
166.90.27.64 0:0:0:0:0:ffff:a65a:1b40
166.90.27.65 0:0:0:0:0:ffff:a65a:1b41
166.90.27.66 0:0:0:0:0:ffff:a65a:1b42
166.90.27.67 0:0:0:0:0:ffff:a65a:1b43
166.90.27.68 0:0:0:0:0:ffff:a65a:1b44
166.90.27.69 0:0:0:0:0:ffff:a65a:1b45
166.90.27.70 0:0:0:0:0:ffff:a65a:1b46
166.90.27.71 0:0:0:0:0:ffff:a65a:1b47
166.90.27.72 0:0:0:0:0:ffff:a65a:1b48
166.90.27.73 0:0:0:0:0:ffff:a65a:1b49
166.90.27.74 0:0:0:0:0:ffff:a65a:1b4a
166.90.27.75 0:0:0:0:0:ffff:a65a:1b4b
166.90.27.76 0:0:0:0:0:ffff:a65a:1b4c
166.90.27.77 0:0:0:0:0:ffff:a65a:1b4d
166.90.27.78 0:0:0:0:0:ffff:a65a:1b4e
166.90.27.79 0:0:0:0:0:ffff:a65a:1b4f
166.90.27.80 0:0:0:0:0:ffff:a65a:1b50
166.90.27.81 0:0:0:0:0:ffff:a65a:1b51
166.90.27.82 0:0:0:0:0:ffff:a65a:1b52
166.90.27.83 0:0:0:0:0:ffff:a65a:1b53
166.90.27.84 0:0:0:0:0:ffff:a65a:1b54
166.90.27.85 0:0:0:0:0:ffff:a65a:1b55
166.90.27.86 0:0:0:0:0:ffff:a65a:1b56
166.90.27.87 0:0:0:0:0:ffff:a65a:1b57
166.90.27.88 0:0:0:0:0:ffff:a65a:1b58
166.90.27.89 0:0:0:0:0:ffff:a65a:1b59
166.90.27.90 0:0:0:0:0:ffff:a65a:1b5a
166.90.27.91 0:0:0:0:0:ffff:a65a:1b5b
166.90.27.92 0:0:0:0:0:ffff:a65a:1b5c
166.90.27.93 0:0:0:0:0:ffff:a65a:1b5d
166.90.27.94 0:0:0:0:0:ffff:a65a:1b5e
166.90.27.95 0:0:0:0:0:ffff:a65a:1b5f
166.90.27.96 0:0:0:0:0:ffff:a65a:1b60
166.90.27.97 0:0:0:0:0:ffff:a65a:1b61
166.90.27.98 0:0:0:0:0:ffff:a65a:1b62
166.90.27.99 0:0:0:0:0:ffff:a65a:1b63
166.90.27.100 0:0:0:0:0:ffff:a65a:1b64
166.90.27.101 0:0:0:0:0:ffff:a65a:1b65
166.90.27.102 0:0:0:0:0:ffff:a65a:1b66
166.90.27.103 0:0:0:0:0:ffff:a65a:1b67
166.90.27.104 0:0:0:0:0:ffff:a65a:1b68
166.90.27.105 0:0:0:0:0:ffff:a65a:1b69
166.90.27.106 0:0:0:0:0:ffff:a65a:1b6a
166.90.27.107 0:0:0:0:0:ffff:a65a:1b6b
166.90.27.108 0:0:0:0:0:ffff:a65a:1b6c
166.90.27.109 0:0:0:0:0:ffff:a65a:1b6d
166.90.27.110 0:0:0:0:0:ffff:a65a:1b6e
166.90.27.111 0:0:0:0:0:ffff:a65a:1b6f
166.90.27.112 0:0:0:0:0:ffff:a65a:1b70
166.90.27.113 0:0:0:0:0:ffff:a65a:1b71
166.90.27.114 0:0:0:0:0:ffff:a65a:1b72
166.90.27.115 0:0:0:0:0:ffff:a65a:1b73
166.90.27.116 0:0:0:0:0:ffff:a65a:1b74
166.90.27.117 0:0:0:0:0:ffff:a65a:1b75
166.90.27.118 0:0:0:0:0:ffff:a65a:1b76
166.90.27.119 0:0:0:0:0:ffff:a65a:1b77
166.90.27.120 0:0:0:0:0:ffff:a65a:1b78


166.90.27.121 0:0:0:0:0:ffff:a65a:1b79
166.90.27.122 0:0:0:0:0:ffff:a65a:1b7a
166.90.27.123 0:0:0:0:0:ffff:a65a:1b7b
166.90.27.124 0:0:0:0:0:ffff:a65a:1b7c
166.90.27.125 0:0:0:0:0:ffff:a65a:1b7d
166.90.27.126 0:0:0:0:0:ffff:a65a:1b7e
166.90.27.127 0:0:0:0:0:ffff:a65a:1b7f
166.90.27.128 0:0:0:0:0:ffff:a65a:1b80
166.90.27.129 0:0:0:0:0:ffff:a65a:1b81
166.90.27.130 0:0:0:0:0:ffff:a65a:1b82
166.90.27.131 0:0:0:0:0:ffff:a65a:1b83
166.90.27.132 0:0:0:0:0:ffff:a65a:1b84
166.90.27.133 0:0:0:0:0:ffff:a65a:1b85
166.90.27.134 0:0:0:0:0:ffff:a65a:1b86
166.90.27.135 0:0:0:0:0:ffff:a65a:1b87
166.90.27.136 0:0:0:0:0:ffff:a65a:1b88
166.90.27.137 0:0:0:0:0:ffff:a65a:1b89
166.90.27.138 0:0:0:0:0:ffff:a65a:1b8a
166.90.27.139 0:0:0:0:0:ffff:a65a:1b8b
166.90.27.140 0:0:0:0:0:ffff:a65a:1b8c
166.90.27.141 0:0:0:0:0:ffff:a65a:1b8d
166.90.27.142 0:0:0:0:0:ffff:a65a:1b8e
166.90.27.143 0:0:0:0:0:ffff:a65a:1b8f
166.90.27.144 0:0:0:0:0:ffff:a65a:1b90
166.90.27.145 0:0:0:0:0:ffff:a65a:1b91
166.90.27.146 0:0:0:0:0:ffff:a65a:1b92
166.90.27.147 0:0:0:0:0:ffff:a65a:1b93
166.90.27.148 0:0:0:0:0:ffff:a65a:1b94
166.90.27.149 0:0:0:0:0:ffff:a65a:1b95
166.90.27.150 0:0:0:0:0:ffff:a65a:1b96
166.90.27.151 0:0:0:0:0:ffff:a65a:1b97
166.90.27.152 0:0:0:0:0:ffff:a65a:1b98
166.90.27.153 0:0:0:0:0:ffff:a65a:1b99
166.90.27.154 0:0:0:0:0:ffff:a65a:1b9a
166.90.27.155 0:0:0:0:0:ffff:a65a:1b9b
166.90.27.156 0:0:0:0:0:ffff:a65a:1b9c
166.90.27.157 0:0:0:0:0:ffff:a65a:1b9d
166.90.27.158 0:0:0:0:0:ffff:a65a:1b9e
166.90.27.159 0:0:0:0:0:ffff:a65a:1b9f
166.90.27.160 0:0:0:0:0:ffff:a65a:1ba0
166.90.27.161 0:0:0:0:0:ffff:a65a:1ba1
166.90.27.162 0:0:0:0:0:ffff:a65a:1ba2
166.90.27.163 0:0:0:0:0:ffff:a65a:1ba3
166.90.27.164 0:0:0:0:0:ffff:a65a:1ba4
166.90.27.165 0:0:0:0:0:ffff:a65a:1ba5
166.90.27.166 0:0:0:0:0:ffff:a65a:1ba6
166.90.27.167 0:0:0:0:0:ffff:a65a:1ba7
166.90.27.168 0:0:0:0:0:ffff:a65a:1ba8
166.90.27.169 0:0:0:0:0:ffff:a65a:1ba9
166.90.27.170 0:0:0:0:0:ffff:a65a:1baa
166.90.27.171 0:0:0:0:0:ffff:a65a:1bab
166.90.27.172 0:0:0:0:0:ffff:a65a:1bac
166.90.27.173 0:0:0:0:0:ffff:a65a:1bad
166.90.27.174 0:0:0:0:0:ffff:a65a:1bae
166.90.27.175 0:0:0:0:0:ffff:a65a:1baf
166.90.27.176 0:0:0:0:0:ffff:a65a:1bb0
166.90.27.177 0:0:0:0:0:ffff:a65a:1bb1
166.90.27.178 0:0:0:0:0:ffff:a65a:1bb2
166.90.27.179 0:0:0:0:0:ffff:a65a:1bb3
166.90.27.180 0:0:0:0:0:ffff:a65a:1bb4


166.90.27.181 0:0:0:0:0:ffff:a65a:1bb5
166.90.27.182 0:0:0:0:0:ffff:a65a:1bb6
166.90.27.183 0:0:0:0:0:ffff:a65a:1bb7
166.90.27.184 0:0:0:0:0:ffff:a65a:1bb8
166.90.27.185 0:0:0:0:0:ffff:a65a:1bb9
166.90.27.186 0:0:0:0:0:ffff:a65a:1bba
166.90.27.187 0:0:0:0:0:ffff:a65a:1bbb
166.90.27.188 0:0:0:0:0:ffff:a65a:1bbc
166.90.27.189 0:0:0:0:0:ffff:a65a:1bbd
166.90.27.190 0:0:0:0:0:ffff:a65a:1bbe
166.90.27.191 0:0:0:0:0:ffff:a65a:1bbf
166.90.27.192 0:0:0:0:0:ffff:a65a:1bc0
166.90.27.193 0:0:0:0:0:ffff:a65a:1bc1
166.90.27.194 0:0:0:0:0:ffff:a65a:1bc2
166.90.27.195 0:0:0:0:0:ffff:a65a:1bc3
166.90.27.196 0:0:0:0:0:ffff:a65a:1bc4
166.90.27.197 0:0:0:0:0:ffff:a65a:1bc5
166.90.27.198 0:0:0:0:0:ffff:a65a:1bc6
166.90.27.199 0:0:0:0:0:ffff:a65a:1bc7
166.90.27.200 0:0:0:0:0:ffff:a65a:1bc8
166.90.27.201 0:0:0:0:0:ffff:a65a:1bc9
166.90.27.202 0:0:0:0:0:ffff:a65a:1bca
166.90.27.203 0:0:0:0:0:ffff:a65a:1bcb
166.90.27.204 0:0:0:0:0:ffff:a65a:1bcc
166.90.27.205 0:0:0:0:0:ffff:a65a:1bcd
166.90.27.206 0:0:0:0:0:ffff:a65a:1bce
166.90.27.207 0:0:0:0:0:ffff:a65a:1bcf
166.90.27.208 0:0:0:0:0:ffff:a65a:1bd0
166.90.27.209 0:0:0:0:0:ffff:a65a:1bd1
166.90.27.210 0:0:0:0:0:ffff:a65a:1bd2
166.90.27.211 0:0:0:0:0:ffff:a65a:1bd3
166.90.27.212 0:0:0:0:0:ffff:a65a:1bd4
166.90.27.213 0:0:0:0:0:ffff:a65a:1bd5
166.90.27.214 0:0:0:0:0:ffff:a65a:1bd6
166.90.27.215 0:0:0:0:0:ffff:a65a:1bd7
166.90.27.216 0:0:0:0:0:ffff:a65a:1bd8
166.90.27.217 0:0:0:0:0:ffff:a65a:1bd9
166.90.27.218 0:0:0:0:0:ffff:a65a:1bda
166.90.27.219 0:0:0:0:0:ffff:a65a:1bdb
166.90.27.220 0:0:0:0:0:ffff:a65a:1bdc
166.90.27.221 0:0:0:0:0:ffff:a65a:1bdd
166.90.27.222 0:0:0:0:0:ffff:a65a:1bde
166.90.27.223 0:0:0:0:0:ffff:a65a:1bdf
166.90.27.224 0:0:0:0:0:ffff:a65a:1be0
166.90.27.225 0:0:0:0:0:ffff:a65a:1be1
166.90.27.226 0:0:0:0:0:ffff:a65a:1be2
166.90.27.227 0:0:0:0:0:ffff:a65a:1be3
166.90.27.228 0:0:0:0:0:ffff:a65a:1be4
166.90.27.229 0:0:0:0:0:ffff:a65a:1be5
166.90.27.230 0:0:0:0:0:ffff:a65a:1be6
166.90.27.231 0:0:0:0:0:ffff:a65a:1be7
166.90.27.232 0:0:0:0:0:ffff:a65a:1be8
166.90.27.233 0:0:0:0:0:ffff:a65a:1be9
166.90.27.234 0:0:0:0:0:ffff:a65a:1bea
166.90.27.235 0:0:0:0:0:ffff:a65a:1beb
166.90.27.236 0:0:0:0:0:ffff:a65a:1bec
166.90.27.237 0:0:0:0:0:ffff:a65a:1bed
166.90.27.238 0:0:0:0:0:ffff:a65a:1bee
166.90.27.239 0:0:0:0:0:ffff:a65a:1bef
166.90.27.240 0:0:0:0:0:ffff:a65a:1bf0
166.90.27.241 0:0:0:0:0:ffff:a65a:1bf1
166.90.27.242 0:0:0:0:0:ffff:a65a:1bf2
166.90.27.243 0:0:0:0:0:ffff:a65a:1bf3
166.90.27.244 0:0:0:0:0:ffff:a65a:1bf4
166.90.27.245 0:0:0:0:0:ffff:a65a:1bf5
166.90.27.246 0:0:0:0:0:ffff:a65a:1bf6
166.90.27.247 0:0:0:0:0:ffff:a65a:1bf7
166.90.27.248 0:0:0:0:0:ffff:a65a:1bf8
166.90.27.249 0:0:0:0:0:ffff:a65a:1bf9
166.90.27.250 0:0:0:0:0:ffff:a65a:1bfa
166.90.27.251 0:0:0:0:0:ffff:a65a:1bfb
166.90.27.252 0:0:0:0:0:ffff:a65a:1bfc
166.90.27.253 0:0:0:0:0:ffff:a65a:1bfd
166.90.27.254 0:0:0:0:0:ffff:a65a:1bfe
166.90.27.255 0:0:0:0:0:ffff:a65a: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.