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
166.90.155.1 0:0:0:0:0:ffff:a65a:9b01
166.90.155.2 0:0:0:0:0:ffff:a65a:9b02
166.90.155.3 0:0:0:0:0:ffff:a65a:9b03
166.90.155.4 0:0:0:0:0:ffff:a65a:9b04
166.90.155.5 0:0:0:0:0:ffff:a65a:9b05
166.90.155.6 0:0:0:0:0:ffff:a65a:9b06
166.90.155.7 0:0:0:0:0:ffff:a65a:9b07
166.90.155.8 0:0:0:0:0:ffff:a65a:9b08
166.90.155.9 0:0:0:0:0:ffff:a65a:9b09
166.90.155.10 0:0:0:0:0:ffff:a65a:9b0a
166.90.155.11 0:0:0:0:0:ffff:a65a:9b0b
166.90.155.12 0:0:0:0:0:ffff:a65a:9b0c
166.90.155.13 0:0:0:0:0:ffff:a65a:9b0d
166.90.155.14 0:0:0:0:0:ffff:a65a:9b0e
166.90.155.15 0:0:0:0:0:ffff:a65a:9b0f
166.90.155.16 0:0:0:0:0:ffff:a65a:9b10
166.90.155.17 0:0:0:0:0:ffff:a65a:9b11
166.90.155.18 0:0:0:0:0:ffff:a65a:9b12
166.90.155.19 0:0:0:0:0:ffff:a65a:9b13
166.90.155.20 0:0:0:0:0:ffff:a65a:9b14
166.90.155.21 0:0:0:0:0:ffff:a65a:9b15
166.90.155.22 0:0:0:0:0:ffff:a65a:9b16
166.90.155.23 0:0:0:0:0:ffff:a65a:9b17
166.90.155.24 0:0:0:0:0:ffff:a65a:9b18
166.90.155.25 0:0:0:0:0:ffff:a65a:9b19
166.90.155.26 0:0:0:0:0:ffff:a65a:9b1a
166.90.155.27 0:0:0:0:0:ffff:a65a:9b1b
166.90.155.28 0:0:0:0:0:ffff:a65a:9b1c
166.90.155.29 0:0:0:0:0:ffff:a65a:9b1d
166.90.155.30 0:0:0:0:0:ffff:a65a:9b1e
166.90.155.31 0:0:0:0:0:ffff:a65a:9b1f
166.90.155.32 0:0:0:0:0:ffff:a65a:9b20
166.90.155.33 0:0:0:0:0:ffff:a65a:9b21
166.90.155.34 0:0:0:0:0:ffff:a65a:9b22
166.90.155.35 0:0:0:0:0:ffff:a65a:9b23
166.90.155.36 0:0:0:0:0:ffff:a65a:9b24
166.90.155.37 0:0:0:0:0:ffff:a65a:9b25
166.90.155.38 0:0:0:0:0:ffff:a65a:9b26
166.90.155.39 0:0:0:0:0:ffff:a65a:9b27
166.90.155.40 0:0:0:0:0:ffff:a65a:9b28
166.90.155.41 0:0:0:0:0:ffff:a65a:9b29
166.90.155.42 0:0:0:0:0:ffff:a65a:9b2a
166.90.155.43 0:0:0:0:0:ffff:a65a:9b2b
166.90.155.44 0:0:0:0:0:ffff:a65a:9b2c
166.90.155.45 0:0:0:0:0:ffff:a65a:9b2d
166.90.155.46 0:0:0:0:0:ffff:a65a:9b2e
166.90.155.47 0:0:0:0:0:ffff:a65a:9b2f
166.90.155.48 0:0:0:0:0:ffff:a65a:9b30
166.90.155.49 0:0:0:0:0:ffff:a65a:9b31
166.90.155.50 0:0:0:0:0:ffff:a65a:9b32
166.90.155.51 0:0:0:0:0:ffff:a65a:9b33
166.90.155.52 0:0:0:0:0:ffff:a65a:9b34
166.90.155.53 0:0:0:0:0:ffff:a65a:9b35
166.90.155.54 0:0:0:0:0:ffff:a65a:9b36
166.90.155.55 0:0:0:0:0:ffff:a65a:9b37
166.90.155.56 0:0:0:0:0:ffff:a65a:9b38
166.90.155.57 0:0:0:0:0:ffff:a65a:9b39
166.90.155.58 0:0:0:0:0:ffff:a65a:9b3a
166.90.155.59 0:0:0:0:0:ffff:a65a:9b3b
166.90.155.60 0:0:0:0:0:ffff:a65a:9b3c


166.90.155.61 0:0:0:0:0:ffff:a65a:9b3d
166.90.155.62 0:0:0:0:0:ffff:a65a:9b3e
166.90.155.63 0:0:0:0:0:ffff:a65a:9b3f
166.90.155.64 0:0:0:0:0:ffff:a65a:9b40
166.90.155.65 0:0:0:0:0:ffff:a65a:9b41
166.90.155.66 0:0:0:0:0:ffff:a65a:9b42
166.90.155.67 0:0:0:0:0:ffff:a65a:9b43
166.90.155.68 0:0:0:0:0:ffff:a65a:9b44
166.90.155.69 0:0:0:0:0:ffff:a65a:9b45
166.90.155.70 0:0:0:0:0:ffff:a65a:9b46
166.90.155.71 0:0:0:0:0:ffff:a65a:9b47
166.90.155.72 0:0:0:0:0:ffff:a65a:9b48
166.90.155.73 0:0:0:0:0:ffff:a65a:9b49
166.90.155.74 0:0:0:0:0:ffff:a65a:9b4a
166.90.155.75 0:0:0:0:0:ffff:a65a:9b4b
166.90.155.76 0:0:0:0:0:ffff:a65a:9b4c
166.90.155.77 0:0:0:0:0:ffff:a65a:9b4d
166.90.155.78 0:0:0:0:0:ffff:a65a:9b4e
166.90.155.79 0:0:0:0:0:ffff:a65a:9b4f
166.90.155.80 0:0:0:0:0:ffff:a65a:9b50
166.90.155.81 0:0:0:0:0:ffff:a65a:9b51
166.90.155.82 0:0:0:0:0:ffff:a65a:9b52
166.90.155.83 0:0:0:0:0:ffff:a65a:9b53
166.90.155.84 0:0:0:0:0:ffff:a65a:9b54
166.90.155.85 0:0:0:0:0:ffff:a65a:9b55
166.90.155.86 0:0:0:0:0:ffff:a65a:9b56
166.90.155.87 0:0:0:0:0:ffff:a65a:9b57
166.90.155.88 0:0:0:0:0:ffff:a65a:9b58
166.90.155.89 0:0:0:0:0:ffff:a65a:9b59
166.90.155.90 0:0:0:0:0:ffff:a65a:9b5a
166.90.155.91 0:0:0:0:0:ffff:a65a:9b5b
166.90.155.92 0:0:0:0:0:ffff:a65a:9b5c
166.90.155.93 0:0:0:0:0:ffff:a65a:9b5d
166.90.155.94 0:0:0:0:0:ffff:a65a:9b5e
166.90.155.95 0:0:0:0:0:ffff:a65a:9b5f
166.90.155.96 0:0:0:0:0:ffff:a65a:9b60
166.90.155.97 0:0:0:0:0:ffff:a65a:9b61
166.90.155.98 0:0:0:0:0:ffff:a65a:9b62
166.90.155.99 0:0:0:0:0:ffff:a65a:9b63
166.90.155.100 0:0:0:0:0:ffff:a65a:9b64
166.90.155.101 0:0:0:0:0:ffff:a65a:9b65
166.90.155.102 0:0:0:0:0:ffff:a65a:9b66
166.90.155.103 0:0:0:0:0:ffff:a65a:9b67
166.90.155.104 0:0:0:0:0:ffff:a65a:9b68
166.90.155.105 0:0:0:0:0:ffff:a65a:9b69
166.90.155.106 0:0:0:0:0:ffff:a65a:9b6a
166.90.155.107 0:0:0:0:0:ffff:a65a:9b6b
166.90.155.108 0:0:0:0:0:ffff:a65a:9b6c
166.90.155.109 0:0:0:0:0:ffff:a65a:9b6d
166.90.155.110 0:0:0:0:0:ffff:a65a:9b6e
166.90.155.111 0:0:0:0:0:ffff:a65a:9b6f
166.90.155.112 0:0:0:0:0:ffff:a65a:9b70
166.90.155.113 0:0:0:0:0:ffff:a65a:9b71
166.90.155.114 0:0:0:0:0:ffff:a65a:9b72
166.90.155.115 0:0:0:0:0:ffff:a65a:9b73
166.90.155.116 0:0:0:0:0:ffff:a65a:9b74
166.90.155.117 0:0:0:0:0:ffff:a65a:9b75
166.90.155.118 0:0:0:0:0:ffff:a65a:9b76
166.90.155.119 0:0:0:0:0:ffff:a65a:9b77
166.90.155.120 0:0:0:0:0:ffff:a65a:9b78


166.90.155.121 0:0:0:0:0:ffff:a65a:9b79
166.90.155.122 0:0:0:0:0:ffff:a65a:9b7a
166.90.155.123 0:0:0:0:0:ffff:a65a:9b7b
166.90.155.124 0:0:0:0:0:ffff:a65a:9b7c
166.90.155.125 0:0:0:0:0:ffff:a65a:9b7d
166.90.155.126 0:0:0:0:0:ffff:a65a:9b7e
166.90.155.127 0:0:0:0:0:ffff:a65a:9b7f
166.90.155.128 0:0:0:0:0:ffff:a65a:9b80
166.90.155.129 0:0:0:0:0:ffff:a65a:9b81
166.90.155.130 0:0:0:0:0:ffff:a65a:9b82
166.90.155.131 0:0:0:0:0:ffff:a65a:9b83
166.90.155.132 0:0:0:0:0:ffff:a65a:9b84
166.90.155.133 0:0:0:0:0:ffff:a65a:9b85
166.90.155.134 0:0:0:0:0:ffff:a65a:9b86
166.90.155.135 0:0:0:0:0:ffff:a65a:9b87
166.90.155.136 0:0:0:0:0:ffff:a65a:9b88
166.90.155.137 0:0:0:0:0:ffff:a65a:9b89
166.90.155.138 0:0:0:0:0:ffff:a65a:9b8a
166.90.155.139 0:0:0:0:0:ffff:a65a:9b8b
166.90.155.140 0:0:0:0:0:ffff:a65a:9b8c
166.90.155.141 0:0:0:0:0:ffff:a65a:9b8d
166.90.155.142 0:0:0:0:0:ffff:a65a:9b8e
166.90.155.143 0:0:0:0:0:ffff:a65a:9b8f
166.90.155.144 0:0:0:0:0:ffff:a65a:9b90
166.90.155.145 0:0:0:0:0:ffff:a65a:9b91
166.90.155.146 0:0:0:0:0:ffff:a65a:9b92
166.90.155.147 0:0:0:0:0:ffff:a65a:9b93
166.90.155.148 0:0:0:0:0:ffff:a65a:9b94
166.90.155.149 0:0:0:0:0:ffff:a65a:9b95
166.90.155.150 0:0:0:0:0:ffff:a65a:9b96
166.90.155.151 0:0:0:0:0:ffff:a65a:9b97
166.90.155.152 0:0:0:0:0:ffff:a65a:9b98
166.90.155.153 0:0:0:0:0:ffff:a65a:9b99
166.90.155.154 0:0:0:0:0:ffff:a65a:9b9a
166.90.155.155 0:0:0:0:0:ffff:a65a:9b9b
166.90.155.156 0:0:0:0:0:ffff:a65a:9b9c
166.90.155.157 0:0:0:0:0:ffff:a65a:9b9d
166.90.155.158 0:0:0:0:0:ffff:a65a:9b9e
166.90.155.159 0:0:0:0:0:ffff:a65a:9b9f
166.90.155.160 0:0:0:0:0:ffff:a65a:9ba0
166.90.155.161 0:0:0:0:0:ffff:a65a:9ba1
166.90.155.162 0:0:0:0:0:ffff:a65a:9ba2
166.90.155.163 0:0:0:0:0:ffff:a65a:9ba3
166.90.155.164 0:0:0:0:0:ffff:a65a:9ba4
166.90.155.165 0:0:0:0:0:ffff:a65a:9ba5
166.90.155.166 0:0:0:0:0:ffff:a65a:9ba6
166.90.155.167 0:0:0:0:0:ffff:a65a:9ba7
166.90.155.168 0:0:0:0:0:ffff:a65a:9ba8
166.90.155.169 0:0:0:0:0:ffff:a65a:9ba9
166.90.155.170 0:0:0:0:0:ffff:a65a:9baa
166.90.155.171 0:0:0:0:0:ffff:a65a:9bab
166.90.155.172 0:0:0:0:0:ffff:a65a:9bac
166.90.155.173 0:0:0:0:0:ffff:a65a:9bad
166.90.155.174 0:0:0:0:0:ffff:a65a:9bae
166.90.155.175 0:0:0:0:0:ffff:a65a:9baf
166.90.155.176 0:0:0:0:0:ffff:a65a:9bb0
166.90.155.177 0:0:0:0:0:ffff:a65a:9bb1
166.90.155.178 0:0:0:0:0:ffff:a65a:9bb2
166.90.155.179 0:0:0:0:0:ffff:a65a:9bb3
166.90.155.180 0:0:0:0:0:ffff:a65a:9bb4


166.90.155.181 0:0:0:0:0:ffff:a65a:9bb5
166.90.155.182 0:0:0:0:0:ffff:a65a:9bb6
166.90.155.183 0:0:0:0:0:ffff:a65a:9bb7
166.90.155.184 0:0:0:0:0:ffff:a65a:9bb8
166.90.155.185 0:0:0:0:0:ffff:a65a:9bb9
166.90.155.186 0:0:0:0:0:ffff:a65a:9bba
166.90.155.187 0:0:0:0:0:ffff:a65a:9bbb
166.90.155.188 0:0:0:0:0:ffff:a65a:9bbc
166.90.155.189 0:0:0:0:0:ffff:a65a:9bbd
166.90.155.190 0:0:0:0:0:ffff:a65a:9bbe
166.90.155.191 0:0:0:0:0:ffff:a65a:9bbf
166.90.155.192 0:0:0:0:0:ffff:a65a:9bc0
166.90.155.193 0:0:0:0:0:ffff:a65a:9bc1
166.90.155.194 0:0:0:0:0:ffff:a65a:9bc2
166.90.155.195 0:0:0:0:0:ffff:a65a:9bc3
166.90.155.196 0:0:0:0:0:ffff:a65a:9bc4
166.90.155.197 0:0:0:0:0:ffff:a65a:9bc5
166.90.155.198 0:0:0:0:0:ffff:a65a:9bc6
166.90.155.199 0:0:0:0:0:ffff:a65a:9bc7
166.90.155.200 0:0:0:0:0:ffff:a65a:9bc8
166.90.155.201 0:0:0:0:0:ffff:a65a:9bc9
166.90.155.202 0:0:0:0:0:ffff:a65a:9bca
166.90.155.203 0:0:0:0:0:ffff:a65a:9bcb
166.90.155.204 0:0:0:0:0:ffff:a65a:9bcc
166.90.155.205 0:0:0:0:0:ffff:a65a:9bcd
166.90.155.206 0:0:0:0:0:ffff:a65a:9bce
166.90.155.207 0:0:0:0:0:ffff:a65a:9bcf
166.90.155.208 0:0:0:0:0:ffff:a65a:9bd0
166.90.155.209 0:0:0:0:0:ffff:a65a:9bd1
166.90.155.210 0:0:0:0:0:ffff:a65a:9bd2
166.90.155.211 0:0:0:0:0:ffff:a65a:9bd3
166.90.155.212 0:0:0:0:0:ffff:a65a:9bd4
166.90.155.213 0:0:0:0:0:ffff:a65a:9bd5
166.90.155.214 0:0:0:0:0:ffff:a65a:9bd6
166.90.155.215 0:0:0:0:0:ffff:a65a:9bd7
166.90.155.216 0:0:0:0:0:ffff:a65a:9bd8
166.90.155.217 0:0:0:0:0:ffff:a65a:9bd9
166.90.155.218 0:0:0:0:0:ffff:a65a:9bda
166.90.155.219 0:0:0:0:0:ffff:a65a:9bdb
166.90.155.220 0:0:0:0:0:ffff:a65a:9bdc
166.90.155.221 0:0:0:0:0:ffff:a65a:9bdd
166.90.155.222 0:0:0:0:0:ffff:a65a:9bde
166.90.155.223 0:0:0:0:0:ffff:a65a:9bdf
166.90.155.224 0:0:0:0:0:ffff:a65a:9be0
166.90.155.225 0:0:0:0:0:ffff:a65a:9be1
166.90.155.226 0:0:0:0:0:ffff:a65a:9be2
166.90.155.227 0:0:0:0:0:ffff:a65a:9be3
166.90.155.228 0:0:0:0:0:ffff:a65a:9be4
166.90.155.229 0:0:0:0:0:ffff:a65a:9be5
166.90.155.230 0:0:0:0:0:ffff:a65a:9be6
166.90.155.231 0:0:0:0:0:ffff:a65a:9be7
166.90.155.232 0:0:0:0:0:ffff:a65a:9be8
166.90.155.233 0:0:0:0:0:ffff:a65a:9be9
166.90.155.234 0:0:0:0:0:ffff:a65a:9bea
166.90.155.235 0:0:0:0:0:ffff:a65a:9beb
166.90.155.236 0:0:0:0:0:ffff:a65a:9bec
166.90.155.237 0:0:0:0:0:ffff:a65a:9bed
166.90.155.238 0:0:0:0:0:ffff:a65a:9bee
166.90.155.239 0:0:0:0:0:ffff:a65a:9bef
166.90.155.240 0:0:0:0:0:ffff:a65a:9bf0
166.90.155.241 0:0:0:0:0:ffff:a65a:9bf1
166.90.155.242 0:0:0:0:0:ffff:a65a:9bf2
166.90.155.243 0:0:0:0:0:ffff:a65a:9bf3
166.90.155.244 0:0:0:0:0:ffff:a65a:9bf4
166.90.155.245 0:0:0:0:0:ffff:a65a:9bf5
166.90.155.246 0:0:0:0:0:ffff:a65a:9bf6
166.90.155.247 0:0:0:0:0:ffff:a65a:9bf7
166.90.155.248 0:0:0:0:0:ffff:a65a:9bf8
166.90.155.249 0:0:0:0:0:ffff:a65a:9bf9
166.90.155.250 0:0:0:0:0:ffff:a65a:9bfa
166.90.155.251 0:0:0:0:0:ffff:a65a:9bfb
166.90.155.252 0:0:0:0:0:ffff:a65a:9bfc
166.90.155.253 0:0:0:0:0:ffff:a65a:9bfd
166.90.155.254 0:0:0:0:0:ffff:a65a:9bfe
166.90.155.255 0:0:0:0:0:ffff:a65a:9bff


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.