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
166.90.66.1 0:0:0:0:0:ffff:a65a:4201
166.90.66.2 0:0:0:0:0:ffff:a65a:4202
166.90.66.3 0:0:0:0:0:ffff:a65a:4203
166.90.66.4 0:0:0:0:0:ffff:a65a:4204
166.90.66.5 0:0:0:0:0:ffff:a65a:4205
166.90.66.6 0:0:0:0:0:ffff:a65a:4206
166.90.66.7 0:0:0:0:0:ffff:a65a:4207
166.90.66.8 0:0:0:0:0:ffff:a65a:4208
166.90.66.9 0:0:0:0:0:ffff:a65a:4209
166.90.66.10 0:0:0:0:0:ffff:a65a:420a
166.90.66.11 0:0:0:0:0:ffff:a65a:420b
166.90.66.12 0:0:0:0:0:ffff:a65a:420c
166.90.66.13 0:0:0:0:0:ffff:a65a:420d
166.90.66.14 0:0:0:0:0:ffff:a65a:420e
166.90.66.15 0:0:0:0:0:ffff:a65a:420f
166.90.66.16 0:0:0:0:0:ffff:a65a:4210
166.90.66.17 0:0:0:0:0:ffff:a65a:4211
166.90.66.18 0:0:0:0:0:ffff:a65a:4212
166.90.66.19 0:0:0:0:0:ffff:a65a:4213
166.90.66.20 0:0:0:0:0:ffff:a65a:4214
166.90.66.21 0:0:0:0:0:ffff:a65a:4215
166.90.66.22 0:0:0:0:0:ffff:a65a:4216
166.90.66.23 0:0:0:0:0:ffff:a65a:4217
166.90.66.24 0:0:0:0:0:ffff:a65a:4218
166.90.66.25 0:0:0:0:0:ffff:a65a:4219
166.90.66.26 0:0:0:0:0:ffff:a65a:421a
166.90.66.27 0:0:0:0:0:ffff:a65a:421b
166.90.66.28 0:0:0:0:0:ffff:a65a:421c
166.90.66.29 0:0:0:0:0:ffff:a65a:421d
166.90.66.30 0:0:0:0:0:ffff:a65a:421e
166.90.66.31 0:0:0:0:0:ffff:a65a:421f
166.90.66.32 0:0:0:0:0:ffff:a65a:4220
166.90.66.33 0:0:0:0:0:ffff:a65a:4221
166.90.66.34 0:0:0:0:0:ffff:a65a:4222
166.90.66.35 0:0:0:0:0:ffff:a65a:4223
166.90.66.36 0:0:0:0:0:ffff:a65a:4224
166.90.66.37 0:0:0:0:0:ffff:a65a:4225
166.90.66.38 0:0:0:0:0:ffff:a65a:4226
166.90.66.39 0:0:0:0:0:ffff:a65a:4227
166.90.66.40 0:0:0:0:0:ffff:a65a:4228
166.90.66.41 0:0:0:0:0:ffff:a65a:4229
166.90.66.42 0:0:0:0:0:ffff:a65a:422a
166.90.66.43 0:0:0:0:0:ffff:a65a:422b
166.90.66.44 0:0:0:0:0:ffff:a65a:422c
166.90.66.45 0:0:0:0:0:ffff:a65a:422d
166.90.66.46 0:0:0:0:0:ffff:a65a:422e
166.90.66.47 0:0:0:0:0:ffff:a65a:422f
166.90.66.48 0:0:0:0:0:ffff:a65a:4230
166.90.66.49 0:0:0:0:0:ffff:a65a:4231
166.90.66.50 0:0:0:0:0:ffff:a65a:4232
166.90.66.51 0:0:0:0:0:ffff:a65a:4233
166.90.66.52 0:0:0:0:0:ffff:a65a:4234
166.90.66.53 0:0:0:0:0:ffff:a65a:4235
166.90.66.54 0:0:0:0:0:ffff:a65a:4236
166.90.66.55 0:0:0:0:0:ffff:a65a:4237
166.90.66.56 0:0:0:0:0:ffff:a65a:4238
166.90.66.57 0:0:0:0:0:ffff:a65a:4239
166.90.66.58 0:0:0:0:0:ffff:a65a:423a
166.90.66.59 0:0:0:0:0:ffff:a65a:423b
166.90.66.60 0:0:0:0:0:ffff:a65a:423c


166.90.66.61 0:0:0:0:0:ffff:a65a:423d
166.90.66.62 0:0:0:0:0:ffff:a65a:423e
166.90.66.63 0:0:0:0:0:ffff:a65a:423f
166.90.66.64 0:0:0:0:0:ffff:a65a:4240
166.90.66.65 0:0:0:0:0:ffff:a65a:4241
166.90.66.66 0:0:0:0:0:ffff:a65a:4242
166.90.66.67 0:0:0:0:0:ffff:a65a:4243
166.90.66.68 0:0:0:0:0:ffff:a65a:4244
166.90.66.69 0:0:0:0:0:ffff:a65a:4245
166.90.66.70 0:0:0:0:0:ffff:a65a:4246
166.90.66.71 0:0:0:0:0:ffff:a65a:4247
166.90.66.72 0:0:0:0:0:ffff:a65a:4248
166.90.66.73 0:0:0:0:0:ffff:a65a:4249
166.90.66.74 0:0:0:0:0:ffff:a65a:424a
166.90.66.75 0:0:0:0:0:ffff:a65a:424b
166.90.66.76 0:0:0:0:0:ffff:a65a:424c
166.90.66.77 0:0:0:0:0:ffff:a65a:424d
166.90.66.78 0:0:0:0:0:ffff:a65a:424e
166.90.66.79 0:0:0:0:0:ffff:a65a:424f
166.90.66.80 0:0:0:0:0:ffff:a65a:4250
166.90.66.81 0:0:0:0:0:ffff:a65a:4251
166.90.66.82 0:0:0:0:0:ffff:a65a:4252
166.90.66.83 0:0:0:0:0:ffff:a65a:4253
166.90.66.84 0:0:0:0:0:ffff:a65a:4254
166.90.66.85 0:0:0:0:0:ffff:a65a:4255
166.90.66.86 0:0:0:0:0:ffff:a65a:4256
166.90.66.87 0:0:0:0:0:ffff:a65a:4257
166.90.66.88 0:0:0:0:0:ffff:a65a:4258
166.90.66.89 0:0:0:0:0:ffff:a65a:4259
166.90.66.90 0:0:0:0:0:ffff:a65a:425a
166.90.66.91 0:0:0:0:0:ffff:a65a:425b
166.90.66.92 0:0:0:0:0:ffff:a65a:425c
166.90.66.93 0:0:0:0:0:ffff:a65a:425d
166.90.66.94 0:0:0:0:0:ffff:a65a:425e
166.90.66.95 0:0:0:0:0:ffff:a65a:425f
166.90.66.96 0:0:0:0:0:ffff:a65a:4260
166.90.66.97 0:0:0:0:0:ffff:a65a:4261
166.90.66.98 0:0:0:0:0:ffff:a65a:4262
166.90.66.99 0:0:0:0:0:ffff:a65a:4263
166.90.66.100 0:0:0:0:0:ffff:a65a:4264
166.90.66.101 0:0:0:0:0:ffff:a65a:4265
166.90.66.102 0:0:0:0:0:ffff:a65a:4266
166.90.66.103 0:0:0:0:0:ffff:a65a:4267
166.90.66.104 0:0:0:0:0:ffff:a65a:4268
166.90.66.105 0:0:0:0:0:ffff:a65a:4269
166.90.66.106 0:0:0:0:0:ffff:a65a:426a
166.90.66.107 0:0:0:0:0:ffff:a65a:426b
166.90.66.108 0:0:0:0:0:ffff:a65a:426c
166.90.66.109 0:0:0:0:0:ffff:a65a:426d
166.90.66.110 0:0:0:0:0:ffff:a65a:426e
166.90.66.111 0:0:0:0:0:ffff:a65a:426f
166.90.66.112 0:0:0:0:0:ffff:a65a:4270
166.90.66.113 0:0:0:0:0:ffff:a65a:4271
166.90.66.114 0:0:0:0:0:ffff:a65a:4272
166.90.66.115 0:0:0:0:0:ffff:a65a:4273
166.90.66.116 0:0:0:0:0:ffff:a65a:4274
166.90.66.117 0:0:0:0:0:ffff:a65a:4275
166.90.66.118 0:0:0:0:0:ffff:a65a:4276
166.90.66.119 0:0:0:0:0:ffff:a65a:4277
166.90.66.120 0:0:0:0:0:ffff:a65a:4278


166.90.66.121 0:0:0:0:0:ffff:a65a:4279
166.90.66.122 0:0:0:0:0:ffff:a65a:427a
166.90.66.123 0:0:0:0:0:ffff:a65a:427b
166.90.66.124 0:0:0:0:0:ffff:a65a:427c
166.90.66.125 0:0:0:0:0:ffff:a65a:427d
166.90.66.126 0:0:0:0:0:ffff:a65a:427e
166.90.66.127 0:0:0:0:0:ffff:a65a:427f
166.90.66.128 0:0:0:0:0:ffff:a65a:4280
166.90.66.129 0:0:0:0:0:ffff:a65a:4281
166.90.66.130 0:0:0:0:0:ffff:a65a:4282
166.90.66.131 0:0:0:0:0:ffff:a65a:4283
166.90.66.132 0:0:0:0:0:ffff:a65a:4284
166.90.66.133 0:0:0:0:0:ffff:a65a:4285
166.90.66.134 0:0:0:0:0:ffff:a65a:4286
166.90.66.135 0:0:0:0:0:ffff:a65a:4287
166.90.66.136 0:0:0:0:0:ffff:a65a:4288
166.90.66.137 0:0:0:0:0:ffff:a65a:4289
166.90.66.138 0:0:0:0:0:ffff:a65a:428a
166.90.66.139 0:0:0:0:0:ffff:a65a:428b
166.90.66.140 0:0:0:0:0:ffff:a65a:428c
166.90.66.141 0:0:0:0:0:ffff:a65a:428d
166.90.66.142 0:0:0:0:0:ffff:a65a:428e
166.90.66.143 0:0:0:0:0:ffff:a65a:428f
166.90.66.144 0:0:0:0:0:ffff:a65a:4290
166.90.66.145 0:0:0:0:0:ffff:a65a:4291
166.90.66.146 0:0:0:0:0:ffff:a65a:4292
166.90.66.147 0:0:0:0:0:ffff:a65a:4293
166.90.66.148 0:0:0:0:0:ffff:a65a:4294
166.90.66.149 0:0:0:0:0:ffff:a65a:4295
166.90.66.150 0:0:0:0:0:ffff:a65a:4296
166.90.66.151 0:0:0:0:0:ffff:a65a:4297
166.90.66.152 0:0:0:0:0:ffff:a65a:4298
166.90.66.153 0:0:0:0:0:ffff:a65a:4299
166.90.66.154 0:0:0:0:0:ffff:a65a:429a
166.90.66.155 0:0:0:0:0:ffff:a65a:429b
166.90.66.156 0:0:0:0:0:ffff:a65a:429c
166.90.66.157 0:0:0:0:0:ffff:a65a:429d
166.90.66.158 0:0:0:0:0:ffff:a65a:429e
166.90.66.159 0:0:0:0:0:ffff:a65a:429f
166.90.66.160 0:0:0:0:0:ffff:a65a:42a0
166.90.66.161 0:0:0:0:0:ffff:a65a:42a1
166.90.66.162 0:0:0:0:0:ffff:a65a:42a2
166.90.66.163 0:0:0:0:0:ffff:a65a:42a3
166.90.66.164 0:0:0:0:0:ffff:a65a:42a4
166.90.66.165 0:0:0:0:0:ffff:a65a:42a5
166.90.66.166 0:0:0:0:0:ffff:a65a:42a6
166.90.66.167 0:0:0:0:0:ffff:a65a:42a7
166.90.66.168 0:0:0:0:0:ffff:a65a:42a8
166.90.66.169 0:0:0:0:0:ffff:a65a:42a9
166.90.66.170 0:0:0:0:0:ffff:a65a:42aa
166.90.66.171 0:0:0:0:0:ffff:a65a:42ab
166.90.66.172 0:0:0:0:0:ffff:a65a:42ac
166.90.66.173 0:0:0:0:0:ffff:a65a:42ad
166.90.66.174 0:0:0:0:0:ffff:a65a:42ae
166.90.66.175 0:0:0:0:0:ffff:a65a:42af
166.90.66.176 0:0:0:0:0:ffff:a65a:42b0
166.90.66.177 0:0:0:0:0:ffff:a65a:42b1
166.90.66.178 0:0:0:0:0:ffff:a65a:42b2
166.90.66.179 0:0:0:0:0:ffff:a65a:42b3
166.90.66.180 0:0:0:0:0:ffff:a65a:42b4


166.90.66.181 0:0:0:0:0:ffff:a65a:42b5
166.90.66.182 0:0:0:0:0:ffff:a65a:42b6
166.90.66.183 0:0:0:0:0:ffff:a65a:42b7
166.90.66.184 0:0:0:0:0:ffff:a65a:42b8
166.90.66.185 0:0:0:0:0:ffff:a65a:42b9
166.90.66.186 0:0:0:0:0:ffff:a65a:42ba
166.90.66.187 0:0:0:0:0:ffff:a65a:42bb
166.90.66.188 0:0:0:0:0:ffff:a65a:42bc
166.90.66.189 0:0:0:0:0:ffff:a65a:42bd
166.90.66.190 0:0:0:0:0:ffff:a65a:42be
166.90.66.191 0:0:0:0:0:ffff:a65a:42bf
166.90.66.192 0:0:0:0:0:ffff:a65a:42c0
166.90.66.193 0:0:0:0:0:ffff:a65a:42c1
166.90.66.194 0:0:0:0:0:ffff:a65a:42c2
166.90.66.195 0:0:0:0:0:ffff:a65a:42c3
166.90.66.196 0:0:0:0:0:ffff:a65a:42c4
166.90.66.197 0:0:0:0:0:ffff:a65a:42c5
166.90.66.198 0:0:0:0:0:ffff:a65a:42c6
166.90.66.199 0:0:0:0:0:ffff:a65a:42c7
166.90.66.200 0:0:0:0:0:ffff:a65a:42c8
166.90.66.201 0:0:0:0:0:ffff:a65a:42c9
166.90.66.202 0:0:0:0:0:ffff:a65a:42ca
166.90.66.203 0:0:0:0:0:ffff:a65a:42cb
166.90.66.204 0:0:0:0:0:ffff:a65a:42cc
166.90.66.205 0:0:0:0:0:ffff:a65a:42cd
166.90.66.206 0:0:0:0:0:ffff:a65a:42ce
166.90.66.207 0:0:0:0:0:ffff:a65a:42cf
166.90.66.208 0:0:0:0:0:ffff:a65a:42d0
166.90.66.209 0:0:0:0:0:ffff:a65a:42d1
166.90.66.210 0:0:0:0:0:ffff:a65a:42d2
166.90.66.211 0:0:0:0:0:ffff:a65a:42d3
166.90.66.212 0:0:0:0:0:ffff:a65a:42d4
166.90.66.213 0:0:0:0:0:ffff:a65a:42d5
166.90.66.214 0:0:0:0:0:ffff:a65a:42d6
166.90.66.215 0:0:0:0:0:ffff:a65a:42d7
166.90.66.216 0:0:0:0:0:ffff:a65a:42d8
166.90.66.217 0:0:0:0:0:ffff:a65a:42d9
166.90.66.218 0:0:0:0:0:ffff:a65a:42da
166.90.66.219 0:0:0:0:0:ffff:a65a:42db
166.90.66.220 0:0:0:0:0:ffff:a65a:42dc
166.90.66.221 0:0:0:0:0:ffff:a65a:42dd
166.90.66.222 0:0:0:0:0:ffff:a65a:42de
166.90.66.223 0:0:0:0:0:ffff:a65a:42df
166.90.66.224 0:0:0:0:0:ffff:a65a:42e0
166.90.66.225 0:0:0:0:0:ffff:a65a:42e1
166.90.66.226 0:0:0:0:0:ffff:a65a:42e2
166.90.66.227 0:0:0:0:0:ffff:a65a:42e3
166.90.66.228 0:0:0:0:0:ffff:a65a:42e4
166.90.66.229 0:0:0:0:0:ffff:a65a:42e5
166.90.66.230 0:0:0:0:0:ffff:a65a:42e6
166.90.66.231 0:0:0:0:0:ffff:a65a:42e7
166.90.66.232 0:0:0:0:0:ffff:a65a:42e8
166.90.66.233 0:0:0:0:0:ffff:a65a:42e9
166.90.66.234 0:0:0:0:0:ffff:a65a:42ea
166.90.66.235 0:0:0:0:0:ffff:a65a:42eb
166.90.66.236 0:0:0:0:0:ffff:a65a:42ec
166.90.66.237 0:0:0:0:0:ffff:a65a:42ed
166.90.66.238 0:0:0:0:0:ffff:a65a:42ee
166.90.66.239 0:0:0:0:0:ffff:a65a:42ef
166.90.66.240 0:0:0:0:0:ffff:a65a:42f0
166.90.66.241 0:0:0:0:0:ffff:a65a:42f1
166.90.66.242 0:0:0:0:0:ffff:a65a:42f2
166.90.66.243 0:0:0:0:0:ffff:a65a:42f3
166.90.66.244 0:0:0:0:0:ffff:a65a:42f4
166.90.66.245 0:0:0:0:0:ffff:a65a:42f5
166.90.66.246 0:0:0:0:0:ffff:a65a:42f6
166.90.66.247 0:0:0:0:0:ffff:a65a:42f7
166.90.66.248 0:0:0:0:0:ffff:a65a:42f8
166.90.66.249 0:0:0:0:0:ffff:a65a:42f9
166.90.66.250 0:0:0:0:0:ffff:a65a:42fa
166.90.66.251 0:0:0:0:0:ffff:a65a:42fb
166.90.66.252 0:0:0:0:0:ffff:a65a:42fc
166.90.66.253 0:0:0:0:0:ffff:a65a:42fd
166.90.66.254 0:0:0:0:0:ffff:a65a:42fe
166.90.66.255 0:0:0:0:0:ffff:a65a:42ff


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.