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
10.90.12.1 0:0:0:0:0:ffff:a5a:c01
10.90.12.2 0:0:0:0:0:ffff:a5a:c02
10.90.12.3 0:0:0:0:0:ffff:a5a:c03
10.90.12.4 0:0:0:0:0:ffff:a5a:c04
10.90.12.5 0:0:0:0:0:ffff:a5a:c05
10.90.12.6 0:0:0:0:0:ffff:a5a:c06
10.90.12.7 0:0:0:0:0:ffff:a5a:c07
10.90.12.8 0:0:0:0:0:ffff:a5a:c08
10.90.12.9 0:0:0:0:0:ffff:a5a:c09
10.90.12.10 0:0:0:0:0:ffff:a5a:c0a
10.90.12.11 0:0:0:0:0:ffff:a5a:c0b
10.90.12.12 0:0:0:0:0:ffff:a5a:c0c
10.90.12.13 0:0:0:0:0:ffff:a5a:c0d
10.90.12.14 0:0:0:0:0:ffff:a5a:c0e
10.90.12.15 0:0:0:0:0:ffff:a5a:c0f
10.90.12.16 0:0:0:0:0:ffff:a5a:c10
10.90.12.17 0:0:0:0:0:ffff:a5a:c11
10.90.12.18 0:0:0:0:0:ffff:a5a:c12
10.90.12.19 0:0:0:0:0:ffff:a5a:c13
10.90.12.20 0:0:0:0:0:ffff:a5a:c14
10.90.12.21 0:0:0:0:0:ffff:a5a:c15
10.90.12.22 0:0:0:0:0:ffff:a5a:c16
10.90.12.23 0:0:0:0:0:ffff:a5a:c17
10.90.12.24 0:0:0:0:0:ffff:a5a:c18
10.90.12.25 0:0:0:0:0:ffff:a5a:c19
10.90.12.26 0:0:0:0:0:ffff:a5a:c1a
10.90.12.27 0:0:0:0:0:ffff:a5a:c1b
10.90.12.28 0:0:0:0:0:ffff:a5a:c1c
10.90.12.29 0:0:0:0:0:ffff:a5a:c1d
10.90.12.30 0:0:0:0:0:ffff:a5a:c1e
10.90.12.31 0:0:0:0:0:ffff:a5a:c1f
10.90.12.32 0:0:0:0:0:ffff:a5a:c20
10.90.12.33 0:0:0:0:0:ffff:a5a:c21
10.90.12.34 0:0:0:0:0:ffff:a5a:c22
10.90.12.35 0:0:0:0:0:ffff:a5a:c23
10.90.12.36 0:0:0:0:0:ffff:a5a:c24
10.90.12.37 0:0:0:0:0:ffff:a5a:c25
10.90.12.38 0:0:0:0:0:ffff:a5a:c26
10.90.12.39 0:0:0:0:0:ffff:a5a:c27
10.90.12.40 0:0:0:0:0:ffff:a5a:c28
10.90.12.41 0:0:0:0:0:ffff:a5a:c29
10.90.12.42 0:0:0:0:0:ffff:a5a:c2a
10.90.12.43 0:0:0:0:0:ffff:a5a:c2b
10.90.12.44 0:0:0:0:0:ffff:a5a:c2c
10.90.12.45 0:0:0:0:0:ffff:a5a:c2d
10.90.12.46 0:0:0:0:0:ffff:a5a:c2e
10.90.12.47 0:0:0:0:0:ffff:a5a:c2f
10.90.12.48 0:0:0:0:0:ffff:a5a:c30
10.90.12.49 0:0:0:0:0:ffff:a5a:c31
10.90.12.50 0:0:0:0:0:ffff:a5a:c32
10.90.12.51 0:0:0:0:0:ffff:a5a:c33
10.90.12.52 0:0:0:0:0:ffff:a5a:c34
10.90.12.53 0:0:0:0:0:ffff:a5a:c35
10.90.12.54 0:0:0:0:0:ffff:a5a:c36
10.90.12.55 0:0:0:0:0:ffff:a5a:c37
10.90.12.56 0:0:0:0:0:ffff:a5a:c38
10.90.12.57 0:0:0:0:0:ffff:a5a:c39
10.90.12.58 0:0:0:0:0:ffff:a5a:c3a
10.90.12.59 0:0:0:0:0:ffff:a5a:c3b
10.90.12.60 0:0:0:0:0:ffff:a5a:c3c


10.90.12.61 0:0:0:0:0:ffff:a5a:c3d
10.90.12.62 0:0:0:0:0:ffff:a5a:c3e
10.90.12.63 0:0:0:0:0:ffff:a5a:c3f
10.90.12.64 0:0:0:0:0:ffff:a5a:c40
10.90.12.65 0:0:0:0:0:ffff:a5a:c41
10.90.12.66 0:0:0:0:0:ffff:a5a:c42
10.90.12.67 0:0:0:0:0:ffff:a5a:c43
10.90.12.68 0:0:0:0:0:ffff:a5a:c44
10.90.12.69 0:0:0:0:0:ffff:a5a:c45
10.90.12.70 0:0:0:0:0:ffff:a5a:c46
10.90.12.71 0:0:0:0:0:ffff:a5a:c47
10.90.12.72 0:0:0:0:0:ffff:a5a:c48
10.90.12.73 0:0:0:0:0:ffff:a5a:c49
10.90.12.74 0:0:0:0:0:ffff:a5a:c4a
10.90.12.75 0:0:0:0:0:ffff:a5a:c4b
10.90.12.76 0:0:0:0:0:ffff:a5a:c4c
10.90.12.77 0:0:0:0:0:ffff:a5a:c4d
10.90.12.78 0:0:0:0:0:ffff:a5a:c4e
10.90.12.79 0:0:0:0:0:ffff:a5a:c4f
10.90.12.80 0:0:0:0:0:ffff:a5a:c50
10.90.12.81 0:0:0:0:0:ffff:a5a:c51
10.90.12.82 0:0:0:0:0:ffff:a5a:c52
10.90.12.83 0:0:0:0:0:ffff:a5a:c53
10.90.12.84 0:0:0:0:0:ffff:a5a:c54
10.90.12.85 0:0:0:0:0:ffff:a5a:c55
10.90.12.86 0:0:0:0:0:ffff:a5a:c56
10.90.12.87 0:0:0:0:0:ffff:a5a:c57
10.90.12.88 0:0:0:0:0:ffff:a5a:c58
10.90.12.89 0:0:0:0:0:ffff:a5a:c59
10.90.12.90 0:0:0:0:0:ffff:a5a:c5a
10.90.12.91 0:0:0:0:0:ffff:a5a:c5b
10.90.12.92 0:0:0:0:0:ffff:a5a:c5c
10.90.12.93 0:0:0:0:0:ffff:a5a:c5d
10.90.12.94 0:0:0:0:0:ffff:a5a:c5e
10.90.12.95 0:0:0:0:0:ffff:a5a:c5f
10.90.12.96 0:0:0:0:0:ffff:a5a:c60
10.90.12.97 0:0:0:0:0:ffff:a5a:c61
10.90.12.98 0:0:0:0:0:ffff:a5a:c62
10.90.12.99 0:0:0:0:0:ffff:a5a:c63
10.90.12.100 0:0:0:0:0:ffff:a5a:c64
10.90.12.101 0:0:0:0:0:ffff:a5a:c65
10.90.12.102 0:0:0:0:0:ffff:a5a:c66
10.90.12.103 0:0:0:0:0:ffff:a5a:c67
10.90.12.104 0:0:0:0:0:ffff:a5a:c68
10.90.12.105 0:0:0:0:0:ffff:a5a:c69
10.90.12.106 0:0:0:0:0:ffff:a5a:c6a
10.90.12.107 0:0:0:0:0:ffff:a5a:c6b
10.90.12.108 0:0:0:0:0:ffff:a5a:c6c
10.90.12.109 0:0:0:0:0:ffff:a5a:c6d
10.90.12.110 0:0:0:0:0:ffff:a5a:c6e
10.90.12.111 0:0:0:0:0:ffff:a5a:c6f
10.90.12.112 0:0:0:0:0:ffff:a5a:c70
10.90.12.113 0:0:0:0:0:ffff:a5a:c71
10.90.12.114 0:0:0:0:0:ffff:a5a:c72
10.90.12.115 0:0:0:0:0:ffff:a5a:c73
10.90.12.116 0:0:0:0:0:ffff:a5a:c74
10.90.12.117 0:0:0:0:0:ffff:a5a:c75
10.90.12.118 0:0:0:0:0:ffff:a5a:c76
10.90.12.119 0:0:0:0:0:ffff:a5a:c77
10.90.12.120 0:0:0:0:0:ffff:a5a:c78


10.90.12.121 0:0:0:0:0:ffff:a5a:c79
10.90.12.122 0:0:0:0:0:ffff:a5a:c7a
10.90.12.123 0:0:0:0:0:ffff:a5a:c7b
10.90.12.124 0:0:0:0:0:ffff:a5a:c7c
10.90.12.125 0:0:0:0:0:ffff:a5a:c7d
10.90.12.126 0:0:0:0:0:ffff:a5a:c7e
10.90.12.127 0:0:0:0:0:ffff:a5a:c7f
10.90.12.128 0:0:0:0:0:ffff:a5a:c80
10.90.12.129 0:0:0:0:0:ffff:a5a:c81
10.90.12.130 0:0:0:0:0:ffff:a5a:c82
10.90.12.131 0:0:0:0:0:ffff:a5a:c83
10.90.12.132 0:0:0:0:0:ffff:a5a:c84
10.90.12.133 0:0:0:0:0:ffff:a5a:c85
10.90.12.134 0:0:0:0:0:ffff:a5a:c86
10.90.12.135 0:0:0:0:0:ffff:a5a:c87
10.90.12.136 0:0:0:0:0:ffff:a5a:c88
10.90.12.137 0:0:0:0:0:ffff:a5a:c89
10.90.12.138 0:0:0:0:0:ffff:a5a:c8a
10.90.12.139 0:0:0:0:0:ffff:a5a:c8b
10.90.12.140 0:0:0:0:0:ffff:a5a:c8c
10.90.12.141 0:0:0:0:0:ffff:a5a:c8d
10.90.12.142 0:0:0:0:0:ffff:a5a:c8e
10.90.12.143 0:0:0:0:0:ffff:a5a:c8f
10.90.12.144 0:0:0:0:0:ffff:a5a:c90
10.90.12.145 0:0:0:0:0:ffff:a5a:c91
10.90.12.146 0:0:0:0:0:ffff:a5a:c92
10.90.12.147 0:0:0:0:0:ffff:a5a:c93
10.90.12.148 0:0:0:0:0:ffff:a5a:c94
10.90.12.149 0:0:0:0:0:ffff:a5a:c95
10.90.12.150 0:0:0:0:0:ffff:a5a:c96
10.90.12.151 0:0:0:0:0:ffff:a5a:c97
10.90.12.152 0:0:0:0:0:ffff:a5a:c98
10.90.12.153 0:0:0:0:0:ffff:a5a:c99
10.90.12.154 0:0:0:0:0:ffff:a5a:c9a
10.90.12.155 0:0:0:0:0:ffff:a5a:c9b
10.90.12.156 0:0:0:0:0:ffff:a5a:c9c
10.90.12.157 0:0:0:0:0:ffff:a5a:c9d
10.90.12.158 0:0:0:0:0:ffff:a5a:c9e
10.90.12.159 0:0:0:0:0:ffff:a5a:c9f
10.90.12.160 0:0:0:0:0:ffff:a5a:ca0
10.90.12.161 0:0:0:0:0:ffff:a5a:ca1
10.90.12.162 0:0:0:0:0:ffff:a5a:ca2
10.90.12.163 0:0:0:0:0:ffff:a5a:ca3
10.90.12.164 0:0:0:0:0:ffff:a5a:ca4
10.90.12.165 0:0:0:0:0:ffff:a5a:ca5
10.90.12.166 0:0:0:0:0:ffff:a5a:ca6
10.90.12.167 0:0:0:0:0:ffff:a5a:ca7
10.90.12.168 0:0:0:0:0:ffff:a5a:ca8
10.90.12.169 0:0:0:0:0:ffff:a5a:ca9
10.90.12.170 0:0:0:0:0:ffff:a5a:caa
10.90.12.171 0:0:0:0:0:ffff:a5a:cab
10.90.12.172 0:0:0:0:0:ffff:a5a:cac
10.90.12.173 0:0:0:0:0:ffff:a5a:cad
10.90.12.174 0:0:0:0:0:ffff:a5a:cae
10.90.12.175 0:0:0:0:0:ffff:a5a:caf
10.90.12.176 0:0:0:0:0:ffff:a5a:cb0
10.90.12.177 0:0:0:0:0:ffff:a5a:cb1
10.90.12.178 0:0:0:0:0:ffff:a5a:cb2
10.90.12.179 0:0:0:0:0:ffff:a5a:cb3
10.90.12.180 0:0:0:0:0:ffff:a5a:cb4


10.90.12.181 0:0:0:0:0:ffff:a5a:cb5
10.90.12.182 0:0:0:0:0:ffff:a5a:cb6
10.90.12.183 0:0:0:0:0:ffff:a5a:cb7
10.90.12.184 0:0:0:0:0:ffff:a5a:cb8
10.90.12.185 0:0:0:0:0:ffff:a5a:cb9
10.90.12.186 0:0:0:0:0:ffff:a5a:cba
10.90.12.187 0:0:0:0:0:ffff:a5a:cbb
10.90.12.188 0:0:0:0:0:ffff:a5a:cbc
10.90.12.189 0:0:0:0:0:ffff:a5a:cbd
10.90.12.190 0:0:0:0:0:ffff:a5a:cbe
10.90.12.191 0:0:0:0:0:ffff:a5a:cbf
10.90.12.192 0:0:0:0:0:ffff:a5a:cc0
10.90.12.193 0:0:0:0:0:ffff:a5a:cc1
10.90.12.194 0:0:0:0:0:ffff:a5a:cc2
10.90.12.195 0:0:0:0:0:ffff:a5a:cc3
10.90.12.196 0:0:0:0:0:ffff:a5a:cc4
10.90.12.197 0:0:0:0:0:ffff:a5a:cc5
10.90.12.198 0:0:0:0:0:ffff:a5a:cc6
10.90.12.199 0:0:0:0:0:ffff:a5a:cc7
10.90.12.200 0:0:0:0:0:ffff:a5a:cc8
10.90.12.201 0:0:0:0:0:ffff:a5a:cc9
10.90.12.202 0:0:0:0:0:ffff:a5a:cca
10.90.12.203 0:0:0:0:0:ffff:a5a:ccb
10.90.12.204 0:0:0:0:0:ffff:a5a:ccc
10.90.12.205 0:0:0:0:0:ffff:a5a:ccd
10.90.12.206 0:0:0:0:0:ffff:a5a:cce
10.90.12.207 0:0:0:0:0:ffff:a5a:ccf
10.90.12.208 0:0:0:0:0:ffff:a5a:cd0
10.90.12.209 0:0:0:0:0:ffff:a5a:cd1
10.90.12.210 0:0:0:0:0:ffff:a5a:cd2
10.90.12.211 0:0:0:0:0:ffff:a5a:cd3
10.90.12.212 0:0:0:0:0:ffff:a5a:cd4
10.90.12.213 0:0:0:0:0:ffff:a5a:cd5
10.90.12.214 0:0:0:0:0:ffff:a5a:cd6
10.90.12.215 0:0:0:0:0:ffff:a5a:cd7
10.90.12.216 0:0:0:0:0:ffff:a5a:cd8
10.90.12.217 0:0:0:0:0:ffff:a5a:cd9
10.90.12.218 0:0:0:0:0:ffff:a5a:cda
10.90.12.219 0:0:0:0:0:ffff:a5a:cdb
10.90.12.220 0:0:0:0:0:ffff:a5a:cdc
10.90.12.221 0:0:0:0:0:ffff:a5a:cdd
10.90.12.222 0:0:0:0:0:ffff:a5a:cde
10.90.12.223 0:0:0:0:0:ffff:a5a:cdf
10.90.12.224 0:0:0:0:0:ffff:a5a:ce0
10.90.12.225 0:0:0:0:0:ffff:a5a:ce1
10.90.12.226 0:0:0:0:0:ffff:a5a:ce2
10.90.12.227 0:0:0:0:0:ffff:a5a:ce3
10.90.12.228 0:0:0:0:0:ffff:a5a:ce4
10.90.12.229 0:0:0:0:0:ffff:a5a:ce5
10.90.12.230 0:0:0:0:0:ffff:a5a:ce6
10.90.12.231 0:0:0:0:0:ffff:a5a:ce7
10.90.12.232 0:0:0:0:0:ffff:a5a:ce8
10.90.12.233 0:0:0:0:0:ffff:a5a:ce9
10.90.12.234 0:0:0:0:0:ffff:a5a:cea
10.90.12.235 0:0:0:0:0:ffff:a5a:ceb
10.90.12.236 0:0:0:0:0:ffff:a5a:cec
10.90.12.237 0:0:0:0:0:ffff:a5a:ced
10.90.12.238 0:0:0:0:0:ffff:a5a:cee
10.90.12.239 0:0:0:0:0:ffff:a5a:cef
10.90.12.240 0:0:0:0:0:ffff:a5a:cf0
10.90.12.241 0:0:0:0:0:ffff:a5a:cf1
10.90.12.242 0:0:0:0:0:ffff:a5a:cf2
10.90.12.243 0:0:0:0:0:ffff:a5a:cf3
10.90.12.244 0:0:0:0:0:ffff:a5a:cf4
10.90.12.245 0:0:0:0:0:ffff:a5a:cf5
10.90.12.246 0:0:0:0:0:ffff:a5a:cf6
10.90.12.247 0:0:0:0:0:ffff:a5a:cf7
10.90.12.248 0:0:0:0:0:ffff:a5a:cf8
10.90.12.249 0:0:0:0:0:ffff:a5a:cf9
10.90.12.250 0:0:0:0:0:ffff:a5a:cfa
10.90.12.251 0:0:0:0:0:ffff:a5a:cfb
10.90.12.252 0:0:0:0:0:ffff:a5a:cfc
10.90.12.253 0:0:0:0:0:ffff:a5a:cfd
10.90.12.254 0:0:0:0:0:ffff:a5a:cfe
10.90.12.255 0:0:0:0:0:ffff:a5a:cff


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.