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
166.90.76.1 0:0:0:0:0:ffff:a65a:4c01
166.90.76.2 0:0:0:0:0:ffff:a65a:4c02
166.90.76.3 0:0:0:0:0:ffff:a65a:4c03
166.90.76.4 0:0:0:0:0:ffff:a65a:4c04
166.90.76.5 0:0:0:0:0:ffff:a65a:4c05
166.90.76.6 0:0:0:0:0:ffff:a65a:4c06
166.90.76.7 0:0:0:0:0:ffff:a65a:4c07
166.90.76.8 0:0:0:0:0:ffff:a65a:4c08
166.90.76.9 0:0:0:0:0:ffff:a65a:4c09
166.90.76.10 0:0:0:0:0:ffff:a65a:4c0a
166.90.76.11 0:0:0:0:0:ffff:a65a:4c0b
166.90.76.12 0:0:0:0:0:ffff:a65a:4c0c
166.90.76.13 0:0:0:0:0:ffff:a65a:4c0d
166.90.76.14 0:0:0:0:0:ffff:a65a:4c0e
166.90.76.15 0:0:0:0:0:ffff:a65a:4c0f
166.90.76.16 0:0:0:0:0:ffff:a65a:4c10
166.90.76.17 0:0:0:0:0:ffff:a65a:4c11
166.90.76.18 0:0:0:0:0:ffff:a65a:4c12
166.90.76.19 0:0:0:0:0:ffff:a65a:4c13
166.90.76.20 0:0:0:0:0:ffff:a65a:4c14
166.90.76.21 0:0:0:0:0:ffff:a65a:4c15
166.90.76.22 0:0:0:0:0:ffff:a65a:4c16
166.90.76.23 0:0:0:0:0:ffff:a65a:4c17
166.90.76.24 0:0:0:0:0:ffff:a65a:4c18
166.90.76.25 0:0:0:0:0:ffff:a65a:4c19
166.90.76.26 0:0:0:0:0:ffff:a65a:4c1a
166.90.76.27 0:0:0:0:0:ffff:a65a:4c1b
166.90.76.28 0:0:0:0:0:ffff:a65a:4c1c
166.90.76.29 0:0:0:0:0:ffff:a65a:4c1d
166.90.76.30 0:0:0:0:0:ffff:a65a:4c1e
166.90.76.31 0:0:0:0:0:ffff:a65a:4c1f
166.90.76.32 0:0:0:0:0:ffff:a65a:4c20
166.90.76.33 0:0:0:0:0:ffff:a65a:4c21
166.90.76.34 0:0:0:0:0:ffff:a65a:4c22
166.90.76.35 0:0:0:0:0:ffff:a65a:4c23
166.90.76.36 0:0:0:0:0:ffff:a65a:4c24
166.90.76.37 0:0:0:0:0:ffff:a65a:4c25
166.90.76.38 0:0:0:0:0:ffff:a65a:4c26
166.90.76.39 0:0:0:0:0:ffff:a65a:4c27
166.90.76.40 0:0:0:0:0:ffff:a65a:4c28
166.90.76.41 0:0:0:0:0:ffff:a65a:4c29
166.90.76.42 0:0:0:0:0:ffff:a65a:4c2a
166.90.76.43 0:0:0:0:0:ffff:a65a:4c2b
166.90.76.44 0:0:0:0:0:ffff:a65a:4c2c
166.90.76.45 0:0:0:0:0:ffff:a65a:4c2d
166.90.76.46 0:0:0:0:0:ffff:a65a:4c2e
166.90.76.47 0:0:0:0:0:ffff:a65a:4c2f
166.90.76.48 0:0:0:0:0:ffff:a65a:4c30
166.90.76.49 0:0:0:0:0:ffff:a65a:4c31
166.90.76.50 0:0:0:0:0:ffff:a65a:4c32
166.90.76.51 0:0:0:0:0:ffff:a65a:4c33
166.90.76.52 0:0:0:0:0:ffff:a65a:4c34
166.90.76.53 0:0:0:0:0:ffff:a65a:4c35
166.90.76.54 0:0:0:0:0:ffff:a65a:4c36
166.90.76.55 0:0:0:0:0:ffff:a65a:4c37
166.90.76.56 0:0:0:0:0:ffff:a65a:4c38
166.90.76.57 0:0:0:0:0:ffff:a65a:4c39
166.90.76.58 0:0:0:0:0:ffff:a65a:4c3a
166.90.76.59 0:0:0:0:0:ffff:a65a:4c3b
166.90.76.60 0:0:0:0:0:ffff:a65a:4c3c


166.90.76.61 0:0:0:0:0:ffff:a65a:4c3d
166.90.76.62 0:0:0:0:0:ffff:a65a:4c3e
166.90.76.63 0:0:0:0:0:ffff:a65a:4c3f
166.90.76.64 0:0:0:0:0:ffff:a65a:4c40
166.90.76.65 0:0:0:0:0:ffff:a65a:4c41
166.90.76.66 0:0:0:0:0:ffff:a65a:4c42
166.90.76.67 0:0:0:0:0:ffff:a65a:4c43
166.90.76.68 0:0:0:0:0:ffff:a65a:4c44
166.90.76.69 0:0:0:0:0:ffff:a65a:4c45
166.90.76.70 0:0:0:0:0:ffff:a65a:4c46
166.90.76.71 0:0:0:0:0:ffff:a65a:4c47
166.90.76.72 0:0:0:0:0:ffff:a65a:4c48
166.90.76.73 0:0:0:0:0:ffff:a65a:4c49
166.90.76.74 0:0:0:0:0:ffff:a65a:4c4a
166.90.76.75 0:0:0:0:0:ffff:a65a:4c4b
166.90.76.76 0:0:0:0:0:ffff:a65a:4c4c
166.90.76.77 0:0:0:0:0:ffff:a65a:4c4d
166.90.76.78 0:0:0:0:0:ffff:a65a:4c4e
166.90.76.79 0:0:0:0:0:ffff:a65a:4c4f
166.90.76.80 0:0:0:0:0:ffff:a65a:4c50
166.90.76.81 0:0:0:0:0:ffff:a65a:4c51
166.90.76.82 0:0:0:0:0:ffff:a65a:4c52
166.90.76.83 0:0:0:0:0:ffff:a65a:4c53
166.90.76.84 0:0:0:0:0:ffff:a65a:4c54
166.90.76.85 0:0:0:0:0:ffff:a65a:4c55
166.90.76.86 0:0:0:0:0:ffff:a65a:4c56
166.90.76.87 0:0:0:0:0:ffff:a65a:4c57
166.90.76.88 0:0:0:0:0:ffff:a65a:4c58
166.90.76.89 0:0:0:0:0:ffff:a65a:4c59
166.90.76.90 0:0:0:0:0:ffff:a65a:4c5a
166.90.76.91 0:0:0:0:0:ffff:a65a:4c5b
166.90.76.92 0:0:0:0:0:ffff:a65a:4c5c
166.90.76.93 0:0:0:0:0:ffff:a65a:4c5d
166.90.76.94 0:0:0:0:0:ffff:a65a:4c5e
166.90.76.95 0:0:0:0:0:ffff:a65a:4c5f
166.90.76.96 0:0:0:0:0:ffff:a65a:4c60
166.90.76.97 0:0:0:0:0:ffff:a65a:4c61
166.90.76.98 0:0:0:0:0:ffff:a65a:4c62
166.90.76.99 0:0:0:0:0:ffff:a65a:4c63
166.90.76.100 0:0:0:0:0:ffff:a65a:4c64
166.90.76.101 0:0:0:0:0:ffff:a65a:4c65
166.90.76.102 0:0:0:0:0:ffff:a65a:4c66
166.90.76.103 0:0:0:0:0:ffff:a65a:4c67
166.90.76.104 0:0:0:0:0:ffff:a65a:4c68
166.90.76.105 0:0:0:0:0:ffff:a65a:4c69
166.90.76.106 0:0:0:0:0:ffff:a65a:4c6a
166.90.76.107 0:0:0:0:0:ffff:a65a:4c6b
166.90.76.108 0:0:0:0:0:ffff:a65a:4c6c
166.90.76.109 0:0:0:0:0:ffff:a65a:4c6d
166.90.76.110 0:0:0:0:0:ffff:a65a:4c6e
166.90.76.111 0:0:0:0:0:ffff:a65a:4c6f
166.90.76.112 0:0:0:0:0:ffff:a65a:4c70
166.90.76.113 0:0:0:0:0:ffff:a65a:4c71
166.90.76.114 0:0:0:0:0:ffff:a65a:4c72
166.90.76.115 0:0:0:0:0:ffff:a65a:4c73
166.90.76.116 0:0:0:0:0:ffff:a65a:4c74
166.90.76.117 0:0:0:0:0:ffff:a65a:4c75
166.90.76.118 0:0:0:0:0:ffff:a65a:4c76
166.90.76.119 0:0:0:0:0:ffff:a65a:4c77
166.90.76.120 0:0:0:0:0:ffff:a65a:4c78


166.90.76.121 0:0:0:0:0:ffff:a65a:4c79
166.90.76.122 0:0:0:0:0:ffff:a65a:4c7a
166.90.76.123 0:0:0:0:0:ffff:a65a:4c7b
166.90.76.124 0:0:0:0:0:ffff:a65a:4c7c
166.90.76.125 0:0:0:0:0:ffff:a65a:4c7d
166.90.76.126 0:0:0:0:0:ffff:a65a:4c7e
166.90.76.127 0:0:0:0:0:ffff:a65a:4c7f
166.90.76.128 0:0:0:0:0:ffff:a65a:4c80
166.90.76.129 0:0:0:0:0:ffff:a65a:4c81
166.90.76.130 0:0:0:0:0:ffff:a65a:4c82
166.90.76.131 0:0:0:0:0:ffff:a65a:4c83
166.90.76.132 0:0:0:0:0:ffff:a65a:4c84
166.90.76.133 0:0:0:0:0:ffff:a65a:4c85
166.90.76.134 0:0:0:0:0:ffff:a65a:4c86
166.90.76.135 0:0:0:0:0:ffff:a65a:4c87
166.90.76.136 0:0:0:0:0:ffff:a65a:4c88
166.90.76.137 0:0:0:0:0:ffff:a65a:4c89
166.90.76.138 0:0:0:0:0:ffff:a65a:4c8a
166.90.76.139 0:0:0:0:0:ffff:a65a:4c8b
166.90.76.140 0:0:0:0:0:ffff:a65a:4c8c
166.90.76.141 0:0:0:0:0:ffff:a65a:4c8d
166.90.76.142 0:0:0:0:0:ffff:a65a:4c8e
166.90.76.143 0:0:0:0:0:ffff:a65a:4c8f
166.90.76.144 0:0:0:0:0:ffff:a65a:4c90
166.90.76.145 0:0:0:0:0:ffff:a65a:4c91
166.90.76.146 0:0:0:0:0:ffff:a65a:4c92
166.90.76.147 0:0:0:0:0:ffff:a65a:4c93
166.90.76.148 0:0:0:0:0:ffff:a65a:4c94
166.90.76.149 0:0:0:0:0:ffff:a65a:4c95
166.90.76.150 0:0:0:0:0:ffff:a65a:4c96
166.90.76.151 0:0:0:0:0:ffff:a65a:4c97
166.90.76.152 0:0:0:0:0:ffff:a65a:4c98
166.90.76.153 0:0:0:0:0:ffff:a65a:4c99
166.90.76.154 0:0:0:0:0:ffff:a65a:4c9a
166.90.76.155 0:0:0:0:0:ffff:a65a:4c9b
166.90.76.156 0:0:0:0:0:ffff:a65a:4c9c
166.90.76.157 0:0:0:0:0:ffff:a65a:4c9d
166.90.76.158 0:0:0:0:0:ffff:a65a:4c9e
166.90.76.159 0:0:0:0:0:ffff:a65a:4c9f
166.90.76.160 0:0:0:0:0:ffff:a65a:4ca0
166.90.76.161 0:0:0:0:0:ffff:a65a:4ca1
166.90.76.162 0:0:0:0:0:ffff:a65a:4ca2
166.90.76.163 0:0:0:0:0:ffff:a65a:4ca3
166.90.76.164 0:0:0:0:0:ffff:a65a:4ca4
166.90.76.165 0:0:0:0:0:ffff:a65a:4ca5
166.90.76.166 0:0:0:0:0:ffff:a65a:4ca6
166.90.76.167 0:0:0:0:0:ffff:a65a:4ca7
166.90.76.168 0:0:0:0:0:ffff:a65a:4ca8
166.90.76.169 0:0:0:0:0:ffff:a65a:4ca9
166.90.76.170 0:0:0:0:0:ffff:a65a:4caa
166.90.76.171 0:0:0:0:0:ffff:a65a:4cab
166.90.76.172 0:0:0:0:0:ffff:a65a:4cac
166.90.76.173 0:0:0:0:0:ffff:a65a:4cad
166.90.76.174 0:0:0:0:0:ffff:a65a:4cae
166.90.76.175 0:0:0:0:0:ffff:a65a:4caf
166.90.76.176 0:0:0:0:0:ffff:a65a:4cb0
166.90.76.177 0:0:0:0:0:ffff:a65a:4cb1
166.90.76.178 0:0:0:0:0:ffff:a65a:4cb2
166.90.76.179 0:0:0:0:0:ffff:a65a:4cb3
166.90.76.180 0:0:0:0:0:ffff:a65a:4cb4


166.90.76.181 0:0:0:0:0:ffff:a65a:4cb5
166.90.76.182 0:0:0:0:0:ffff:a65a:4cb6
166.90.76.183 0:0:0:0:0:ffff:a65a:4cb7
166.90.76.184 0:0:0:0:0:ffff:a65a:4cb8
166.90.76.185 0:0:0:0:0:ffff:a65a:4cb9
166.90.76.186 0:0:0:0:0:ffff:a65a:4cba
166.90.76.187 0:0:0:0:0:ffff:a65a:4cbb
166.90.76.188 0:0:0:0:0:ffff:a65a:4cbc
166.90.76.189 0:0:0:0:0:ffff:a65a:4cbd
166.90.76.190 0:0:0:0:0:ffff:a65a:4cbe
166.90.76.191 0:0:0:0:0:ffff:a65a:4cbf
166.90.76.192 0:0:0:0:0:ffff:a65a:4cc0
166.90.76.193 0:0:0:0:0:ffff:a65a:4cc1
166.90.76.194 0:0:0:0:0:ffff:a65a:4cc2
166.90.76.195 0:0:0:0:0:ffff:a65a:4cc3
166.90.76.196 0:0:0:0:0:ffff:a65a:4cc4
166.90.76.197 0:0:0:0:0:ffff:a65a:4cc5
166.90.76.198 0:0:0:0:0:ffff:a65a:4cc6
166.90.76.199 0:0:0:0:0:ffff:a65a:4cc7
166.90.76.200 0:0:0:0:0:ffff:a65a:4cc8
166.90.76.201 0:0:0:0:0:ffff:a65a:4cc9
166.90.76.202 0:0:0:0:0:ffff:a65a:4cca
166.90.76.203 0:0:0:0:0:ffff:a65a:4ccb
166.90.76.204 0:0:0:0:0:ffff:a65a:4ccc
166.90.76.205 0:0:0:0:0:ffff:a65a:4ccd
166.90.76.206 0:0:0:0:0:ffff:a65a:4cce
166.90.76.207 0:0:0:0:0:ffff:a65a:4ccf
166.90.76.208 0:0:0:0:0:ffff:a65a:4cd0
166.90.76.209 0:0:0:0:0:ffff:a65a:4cd1
166.90.76.210 0:0:0:0:0:ffff:a65a:4cd2
166.90.76.211 0:0:0:0:0:ffff:a65a:4cd3
166.90.76.212 0:0:0:0:0:ffff:a65a:4cd4
166.90.76.213 0:0:0:0:0:ffff:a65a:4cd5
166.90.76.214 0:0:0:0:0:ffff:a65a:4cd6
166.90.76.215 0:0:0:0:0:ffff:a65a:4cd7
166.90.76.216 0:0:0:0:0:ffff:a65a:4cd8
166.90.76.217 0:0:0:0:0:ffff:a65a:4cd9
166.90.76.218 0:0:0:0:0:ffff:a65a:4cda
166.90.76.219 0:0:0:0:0:ffff:a65a:4cdb
166.90.76.220 0:0:0:0:0:ffff:a65a:4cdc
166.90.76.221 0:0:0:0:0:ffff:a65a:4cdd
166.90.76.222 0:0:0:0:0:ffff:a65a:4cde
166.90.76.223 0:0:0:0:0:ffff:a65a:4cdf
166.90.76.224 0:0:0:0:0:ffff:a65a:4ce0
166.90.76.225 0:0:0:0:0:ffff:a65a:4ce1
166.90.76.226 0:0:0:0:0:ffff:a65a:4ce2
166.90.76.227 0:0:0:0:0:ffff:a65a:4ce3
166.90.76.228 0:0:0:0:0:ffff:a65a:4ce4
166.90.76.229 0:0:0:0:0:ffff:a65a:4ce5
166.90.76.230 0:0:0:0:0:ffff:a65a:4ce6
166.90.76.231 0:0:0:0:0:ffff:a65a:4ce7
166.90.76.232 0:0:0:0:0:ffff:a65a:4ce8
166.90.76.233 0:0:0:0:0:ffff:a65a:4ce9
166.90.76.234 0:0:0:0:0:ffff:a65a:4cea
166.90.76.235 0:0:0:0:0:ffff:a65a:4ceb
166.90.76.236 0:0:0:0:0:ffff:a65a:4cec
166.90.76.237 0:0:0:0:0:ffff:a65a:4ced
166.90.76.238 0:0:0:0:0:ffff:a65a:4cee
166.90.76.239 0:0:0:0:0:ffff:a65a:4cef
166.90.76.240 0:0:0:0:0:ffff:a65a:4cf0
166.90.76.241 0:0:0:0:0:ffff:a65a:4cf1
166.90.76.242 0:0:0:0:0:ffff:a65a:4cf2
166.90.76.243 0:0:0:0:0:ffff:a65a:4cf3
166.90.76.244 0:0:0:0:0:ffff:a65a:4cf4
166.90.76.245 0:0:0:0:0:ffff:a65a:4cf5
166.90.76.246 0:0:0:0:0:ffff:a65a:4cf6
166.90.76.247 0:0:0:0:0:ffff:a65a:4cf7
166.90.76.248 0:0:0:0:0:ffff:a65a:4cf8
166.90.76.249 0:0:0:0:0:ffff:a65a:4cf9
166.90.76.250 0:0:0:0:0:ffff:a65a:4cfa
166.90.76.251 0:0:0:0:0:ffff:a65a:4cfb
166.90.76.252 0:0:0:0:0:ffff:a65a:4cfc
166.90.76.253 0:0:0:0:0:ffff:a65a:4cfd
166.90.76.254 0:0:0:0:0:ffff:a65a:4cfe
166.90.76.255 0:0:0:0:0:ffff:a65a:4cff


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.