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
166.90.145.1 0:0:0:0:0:ffff:a65a:9101
166.90.145.2 0:0:0:0:0:ffff:a65a:9102
166.90.145.3 0:0:0:0:0:ffff:a65a:9103
166.90.145.4 0:0:0:0:0:ffff:a65a:9104
166.90.145.5 0:0:0:0:0:ffff:a65a:9105
166.90.145.6 0:0:0:0:0:ffff:a65a:9106
166.90.145.7 0:0:0:0:0:ffff:a65a:9107
166.90.145.8 0:0:0:0:0:ffff:a65a:9108
166.90.145.9 0:0:0:0:0:ffff:a65a:9109
166.90.145.10 0:0:0:0:0:ffff:a65a:910a
166.90.145.11 0:0:0:0:0:ffff:a65a:910b
166.90.145.12 0:0:0:0:0:ffff:a65a:910c
166.90.145.13 0:0:0:0:0:ffff:a65a:910d
166.90.145.14 0:0:0:0:0:ffff:a65a:910e
166.90.145.15 0:0:0:0:0:ffff:a65a:910f
166.90.145.16 0:0:0:0:0:ffff:a65a:9110
166.90.145.17 0:0:0:0:0:ffff:a65a:9111
166.90.145.18 0:0:0:0:0:ffff:a65a:9112
166.90.145.19 0:0:0:0:0:ffff:a65a:9113
166.90.145.20 0:0:0:0:0:ffff:a65a:9114
166.90.145.21 0:0:0:0:0:ffff:a65a:9115
166.90.145.22 0:0:0:0:0:ffff:a65a:9116
166.90.145.23 0:0:0:0:0:ffff:a65a:9117
166.90.145.24 0:0:0:0:0:ffff:a65a:9118
166.90.145.25 0:0:0:0:0:ffff:a65a:9119
166.90.145.26 0:0:0:0:0:ffff:a65a:911a
166.90.145.27 0:0:0:0:0:ffff:a65a:911b
166.90.145.28 0:0:0:0:0:ffff:a65a:911c
166.90.145.29 0:0:0:0:0:ffff:a65a:911d
166.90.145.30 0:0:0:0:0:ffff:a65a:911e
166.90.145.31 0:0:0:0:0:ffff:a65a:911f
166.90.145.32 0:0:0:0:0:ffff:a65a:9120
166.90.145.33 0:0:0:0:0:ffff:a65a:9121
166.90.145.34 0:0:0:0:0:ffff:a65a:9122
166.90.145.35 0:0:0:0:0:ffff:a65a:9123
166.90.145.36 0:0:0:0:0:ffff:a65a:9124
166.90.145.37 0:0:0:0:0:ffff:a65a:9125
166.90.145.38 0:0:0:0:0:ffff:a65a:9126
166.90.145.39 0:0:0:0:0:ffff:a65a:9127
166.90.145.40 0:0:0:0:0:ffff:a65a:9128
166.90.145.41 0:0:0:0:0:ffff:a65a:9129
166.90.145.42 0:0:0:0:0:ffff:a65a:912a
166.90.145.43 0:0:0:0:0:ffff:a65a:912b
166.90.145.44 0:0:0:0:0:ffff:a65a:912c
166.90.145.45 0:0:0:0:0:ffff:a65a:912d
166.90.145.46 0:0:0:0:0:ffff:a65a:912e
166.90.145.47 0:0:0:0:0:ffff:a65a:912f
166.90.145.48 0:0:0:0:0:ffff:a65a:9130
166.90.145.49 0:0:0:0:0:ffff:a65a:9131
166.90.145.50 0:0:0:0:0:ffff:a65a:9132
166.90.145.51 0:0:0:0:0:ffff:a65a:9133
166.90.145.52 0:0:0:0:0:ffff:a65a:9134
166.90.145.53 0:0:0:0:0:ffff:a65a:9135
166.90.145.54 0:0:0:0:0:ffff:a65a:9136
166.90.145.55 0:0:0:0:0:ffff:a65a:9137
166.90.145.56 0:0:0:0:0:ffff:a65a:9138
166.90.145.57 0:0:0:0:0:ffff:a65a:9139
166.90.145.58 0:0:0:0:0:ffff:a65a:913a
166.90.145.59 0:0:0:0:0:ffff:a65a:913b
166.90.145.60 0:0:0:0:0:ffff:a65a:913c


166.90.145.61 0:0:0:0:0:ffff:a65a:913d
166.90.145.62 0:0:0:0:0:ffff:a65a:913e
166.90.145.63 0:0:0:0:0:ffff:a65a:913f
166.90.145.64 0:0:0:0:0:ffff:a65a:9140
166.90.145.65 0:0:0:0:0:ffff:a65a:9141
166.90.145.66 0:0:0:0:0:ffff:a65a:9142
166.90.145.67 0:0:0:0:0:ffff:a65a:9143
166.90.145.68 0:0:0:0:0:ffff:a65a:9144
166.90.145.69 0:0:0:0:0:ffff:a65a:9145
166.90.145.70 0:0:0:0:0:ffff:a65a:9146
166.90.145.71 0:0:0:0:0:ffff:a65a:9147
166.90.145.72 0:0:0:0:0:ffff:a65a:9148
166.90.145.73 0:0:0:0:0:ffff:a65a:9149
166.90.145.74 0:0:0:0:0:ffff:a65a:914a
166.90.145.75 0:0:0:0:0:ffff:a65a:914b
166.90.145.76 0:0:0:0:0:ffff:a65a:914c
166.90.145.77 0:0:0:0:0:ffff:a65a:914d
166.90.145.78 0:0:0:0:0:ffff:a65a:914e
166.90.145.79 0:0:0:0:0:ffff:a65a:914f
166.90.145.80 0:0:0:0:0:ffff:a65a:9150
166.90.145.81 0:0:0:0:0:ffff:a65a:9151
166.90.145.82 0:0:0:0:0:ffff:a65a:9152
166.90.145.83 0:0:0:0:0:ffff:a65a:9153
166.90.145.84 0:0:0:0:0:ffff:a65a:9154
166.90.145.85 0:0:0:0:0:ffff:a65a:9155
166.90.145.86 0:0:0:0:0:ffff:a65a:9156
166.90.145.87 0:0:0:0:0:ffff:a65a:9157
166.90.145.88 0:0:0:0:0:ffff:a65a:9158
166.90.145.89 0:0:0:0:0:ffff:a65a:9159
166.90.145.90 0:0:0:0:0:ffff:a65a:915a
166.90.145.91 0:0:0:0:0:ffff:a65a:915b
166.90.145.92 0:0:0:0:0:ffff:a65a:915c
166.90.145.93 0:0:0:0:0:ffff:a65a:915d
166.90.145.94 0:0:0:0:0:ffff:a65a:915e
166.90.145.95 0:0:0:0:0:ffff:a65a:915f
166.90.145.96 0:0:0:0:0:ffff:a65a:9160
166.90.145.97 0:0:0:0:0:ffff:a65a:9161
166.90.145.98 0:0:0:0:0:ffff:a65a:9162
166.90.145.99 0:0:0:0:0:ffff:a65a:9163
166.90.145.100 0:0:0:0:0:ffff:a65a:9164
166.90.145.101 0:0:0:0:0:ffff:a65a:9165
166.90.145.102 0:0:0:0:0:ffff:a65a:9166
166.90.145.103 0:0:0:0:0:ffff:a65a:9167
166.90.145.104 0:0:0:0:0:ffff:a65a:9168
166.90.145.105 0:0:0:0:0:ffff:a65a:9169
166.90.145.106 0:0:0:0:0:ffff:a65a:916a
166.90.145.107 0:0:0:0:0:ffff:a65a:916b
166.90.145.108 0:0:0:0:0:ffff:a65a:916c
166.90.145.109 0:0:0:0:0:ffff:a65a:916d
166.90.145.110 0:0:0:0:0:ffff:a65a:916e
166.90.145.111 0:0:0:0:0:ffff:a65a:916f
166.90.145.112 0:0:0:0:0:ffff:a65a:9170
166.90.145.113 0:0:0:0:0:ffff:a65a:9171
166.90.145.114 0:0:0:0:0:ffff:a65a:9172
166.90.145.115 0:0:0:0:0:ffff:a65a:9173
166.90.145.116 0:0:0:0:0:ffff:a65a:9174
166.90.145.117 0:0:0:0:0:ffff:a65a:9175
166.90.145.118 0:0:0:0:0:ffff:a65a:9176
166.90.145.119 0:0:0:0:0:ffff:a65a:9177
166.90.145.120 0:0:0:0:0:ffff:a65a:9178


166.90.145.121 0:0:0:0:0:ffff:a65a:9179
166.90.145.122 0:0:0:0:0:ffff:a65a:917a
166.90.145.123 0:0:0:0:0:ffff:a65a:917b
166.90.145.124 0:0:0:0:0:ffff:a65a:917c
166.90.145.125 0:0:0:0:0:ffff:a65a:917d
166.90.145.126 0:0:0:0:0:ffff:a65a:917e
166.90.145.127 0:0:0:0:0:ffff:a65a:917f
166.90.145.128 0:0:0:0:0:ffff:a65a:9180
166.90.145.129 0:0:0:0:0:ffff:a65a:9181
166.90.145.130 0:0:0:0:0:ffff:a65a:9182
166.90.145.131 0:0:0:0:0:ffff:a65a:9183
166.90.145.132 0:0:0:0:0:ffff:a65a:9184
166.90.145.133 0:0:0:0:0:ffff:a65a:9185
166.90.145.134 0:0:0:0:0:ffff:a65a:9186
166.90.145.135 0:0:0:0:0:ffff:a65a:9187
166.90.145.136 0:0:0:0:0:ffff:a65a:9188
166.90.145.137 0:0:0:0:0:ffff:a65a:9189
166.90.145.138 0:0:0:0:0:ffff:a65a:918a
166.90.145.139 0:0:0:0:0:ffff:a65a:918b
166.90.145.140 0:0:0:0:0:ffff:a65a:918c
166.90.145.141 0:0:0:0:0:ffff:a65a:918d
166.90.145.142 0:0:0:0:0:ffff:a65a:918e
166.90.145.143 0:0:0:0:0:ffff:a65a:918f
166.90.145.144 0:0:0:0:0:ffff:a65a:9190
166.90.145.145 0:0:0:0:0:ffff:a65a:9191
166.90.145.146 0:0:0:0:0:ffff:a65a:9192
166.90.145.147 0:0:0:0:0:ffff:a65a:9193
166.90.145.148 0:0:0:0:0:ffff:a65a:9194
166.90.145.149 0:0:0:0:0:ffff:a65a:9195
166.90.145.150 0:0:0:0:0:ffff:a65a:9196
166.90.145.151 0:0:0:0:0:ffff:a65a:9197
166.90.145.152 0:0:0:0:0:ffff:a65a:9198
166.90.145.153 0:0:0:0:0:ffff:a65a:9199
166.90.145.154 0:0:0:0:0:ffff:a65a:919a
166.90.145.155 0:0:0:0:0:ffff:a65a:919b
166.90.145.156 0:0:0:0:0:ffff:a65a:919c
166.90.145.157 0:0:0:0:0:ffff:a65a:919d
166.90.145.158 0:0:0:0:0:ffff:a65a:919e
166.90.145.159 0:0:0:0:0:ffff:a65a:919f
166.90.145.160 0:0:0:0:0:ffff:a65a:91a0
166.90.145.161 0:0:0:0:0:ffff:a65a:91a1
166.90.145.162 0:0:0:0:0:ffff:a65a:91a2
166.90.145.163 0:0:0:0:0:ffff:a65a:91a3
166.90.145.164 0:0:0:0:0:ffff:a65a:91a4
166.90.145.165 0:0:0:0:0:ffff:a65a:91a5
166.90.145.166 0:0:0:0:0:ffff:a65a:91a6
166.90.145.167 0:0:0:0:0:ffff:a65a:91a7
166.90.145.168 0:0:0:0:0:ffff:a65a:91a8
166.90.145.169 0:0:0:0:0:ffff:a65a:91a9
166.90.145.170 0:0:0:0:0:ffff:a65a:91aa
166.90.145.171 0:0:0:0:0:ffff:a65a:91ab
166.90.145.172 0:0:0:0:0:ffff:a65a:91ac
166.90.145.173 0:0:0:0:0:ffff:a65a:91ad
166.90.145.174 0:0:0:0:0:ffff:a65a:91ae
166.90.145.175 0:0:0:0:0:ffff:a65a:91af
166.90.145.176 0:0:0:0:0:ffff:a65a:91b0
166.90.145.177 0:0:0:0:0:ffff:a65a:91b1
166.90.145.178 0:0:0:0:0:ffff:a65a:91b2
166.90.145.179 0:0:0:0:0:ffff:a65a:91b3
166.90.145.180 0:0:0:0:0:ffff:a65a:91b4


166.90.145.181 0:0:0:0:0:ffff:a65a:91b5
166.90.145.182 0:0:0:0:0:ffff:a65a:91b6
166.90.145.183 0:0:0:0:0:ffff:a65a:91b7
166.90.145.184 0:0:0:0:0:ffff:a65a:91b8
166.90.145.185 0:0:0:0:0:ffff:a65a:91b9
166.90.145.186 0:0:0:0:0:ffff:a65a:91ba
166.90.145.187 0:0:0:0:0:ffff:a65a:91bb
166.90.145.188 0:0:0:0:0:ffff:a65a:91bc
166.90.145.189 0:0:0:0:0:ffff:a65a:91bd
166.90.145.190 0:0:0:0:0:ffff:a65a:91be
166.90.145.191 0:0:0:0:0:ffff:a65a:91bf
166.90.145.192 0:0:0:0:0:ffff:a65a:91c0
166.90.145.193 0:0:0:0:0:ffff:a65a:91c1
166.90.145.194 0:0:0:0:0:ffff:a65a:91c2
166.90.145.195 0:0:0:0:0:ffff:a65a:91c3
166.90.145.196 0:0:0:0:0:ffff:a65a:91c4
166.90.145.197 0:0:0:0:0:ffff:a65a:91c5
166.90.145.198 0:0:0:0:0:ffff:a65a:91c6
166.90.145.199 0:0:0:0:0:ffff:a65a:91c7
166.90.145.200 0:0:0:0:0:ffff:a65a:91c8
166.90.145.201 0:0:0:0:0:ffff:a65a:91c9
166.90.145.202 0:0:0:0:0:ffff:a65a:91ca
166.90.145.203 0:0:0:0:0:ffff:a65a:91cb
166.90.145.204 0:0:0:0:0:ffff:a65a:91cc
166.90.145.205 0:0:0:0:0:ffff:a65a:91cd
166.90.145.206 0:0:0:0:0:ffff:a65a:91ce
166.90.145.207 0:0:0:0:0:ffff:a65a:91cf
166.90.145.208 0:0:0:0:0:ffff:a65a:91d0
166.90.145.209 0:0:0:0:0:ffff:a65a:91d1
166.90.145.210 0:0:0:0:0:ffff:a65a:91d2
166.90.145.211 0:0:0:0:0:ffff:a65a:91d3
166.90.145.212 0:0:0:0:0:ffff:a65a:91d4
166.90.145.213 0:0:0:0:0:ffff:a65a:91d5
166.90.145.214 0:0:0:0:0:ffff:a65a:91d6
166.90.145.215 0:0:0:0:0:ffff:a65a:91d7
166.90.145.216 0:0:0:0:0:ffff:a65a:91d8
166.90.145.217 0:0:0:0:0:ffff:a65a:91d9
166.90.145.218 0:0:0:0:0:ffff:a65a:91da
166.90.145.219 0:0:0:0:0:ffff:a65a:91db
166.90.145.220 0:0:0:0:0:ffff:a65a:91dc
166.90.145.221 0:0:0:0:0:ffff:a65a:91dd
166.90.145.222 0:0:0:0:0:ffff:a65a:91de
166.90.145.223 0:0:0:0:0:ffff:a65a:91df
166.90.145.224 0:0:0:0:0:ffff:a65a:91e0
166.90.145.225 0:0:0:0:0:ffff:a65a:91e1
166.90.145.226 0:0:0:0:0:ffff:a65a:91e2
166.90.145.227 0:0:0:0:0:ffff:a65a:91e3
166.90.145.228 0:0:0:0:0:ffff:a65a:91e4
166.90.145.229 0:0:0:0:0:ffff:a65a:91e5
166.90.145.230 0:0:0:0:0:ffff:a65a:91e6
166.90.145.231 0:0:0:0:0:ffff:a65a:91e7
166.90.145.232 0:0:0:0:0:ffff:a65a:91e8
166.90.145.233 0:0:0:0:0:ffff:a65a:91e9
166.90.145.234 0:0:0:0:0:ffff:a65a:91ea
166.90.145.235 0:0:0:0:0:ffff:a65a:91eb
166.90.145.236 0:0:0:0:0:ffff:a65a:91ec
166.90.145.237 0:0:0:0:0:ffff:a65a:91ed
166.90.145.238 0:0:0:0:0:ffff:a65a:91ee
166.90.145.239 0:0:0:0:0:ffff:a65a:91ef
166.90.145.240 0:0:0:0:0:ffff:a65a:91f0
166.90.145.241 0:0:0:0:0:ffff:a65a:91f1
166.90.145.242 0:0:0:0:0:ffff:a65a:91f2
166.90.145.243 0:0:0:0:0:ffff:a65a:91f3
166.90.145.244 0:0:0:0:0:ffff:a65a:91f4
166.90.145.245 0:0:0:0:0:ffff:a65a:91f5
166.90.145.246 0:0:0:0:0:ffff:a65a:91f6
166.90.145.247 0:0:0:0:0:ffff:a65a:91f7
166.90.145.248 0:0:0:0:0:ffff:a65a:91f8
166.90.145.249 0:0:0:0:0:ffff:a65a:91f9
166.90.145.250 0:0:0:0:0:ffff:a65a:91fa
166.90.145.251 0:0:0:0:0:ffff:a65a:91fb
166.90.145.252 0:0:0:0:0:ffff:a65a:91fc
166.90.145.253 0:0:0:0:0:ffff:a65a:91fd
166.90.145.254 0:0:0:0:0:ffff:a65a:91fe
166.90.145.255 0:0:0:0:0:ffff:a65a:91ff


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.