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
236.166.66.1 0:0:0:0:0:ffff:eca6:4201
236.166.66.2 0:0:0:0:0:ffff:eca6:4202
236.166.66.3 0:0:0:0:0:ffff:eca6:4203
236.166.66.4 0:0:0:0:0:ffff:eca6:4204
236.166.66.5 0:0:0:0:0:ffff:eca6:4205
236.166.66.6 0:0:0:0:0:ffff:eca6:4206
236.166.66.7 0:0:0:0:0:ffff:eca6:4207
236.166.66.8 0:0:0:0:0:ffff:eca6:4208
236.166.66.9 0:0:0:0:0:ffff:eca6:4209
236.166.66.10 0:0:0:0:0:ffff:eca6:420a
236.166.66.11 0:0:0:0:0:ffff:eca6:420b
236.166.66.12 0:0:0:0:0:ffff:eca6:420c
236.166.66.13 0:0:0:0:0:ffff:eca6:420d
236.166.66.14 0:0:0:0:0:ffff:eca6:420e
236.166.66.15 0:0:0:0:0:ffff:eca6:420f
236.166.66.16 0:0:0:0:0:ffff:eca6:4210
236.166.66.17 0:0:0:0:0:ffff:eca6:4211
236.166.66.18 0:0:0:0:0:ffff:eca6:4212
236.166.66.19 0:0:0:0:0:ffff:eca6:4213
236.166.66.20 0:0:0:0:0:ffff:eca6:4214
236.166.66.21 0:0:0:0:0:ffff:eca6:4215
236.166.66.22 0:0:0:0:0:ffff:eca6:4216
236.166.66.23 0:0:0:0:0:ffff:eca6:4217
236.166.66.24 0:0:0:0:0:ffff:eca6:4218
236.166.66.25 0:0:0:0:0:ffff:eca6:4219
236.166.66.26 0:0:0:0:0:ffff:eca6:421a
236.166.66.27 0:0:0:0:0:ffff:eca6:421b
236.166.66.28 0:0:0:0:0:ffff:eca6:421c
236.166.66.29 0:0:0:0:0:ffff:eca6:421d
236.166.66.30 0:0:0:0:0:ffff:eca6:421e
236.166.66.31 0:0:0:0:0:ffff:eca6:421f
236.166.66.32 0:0:0:0:0:ffff:eca6:4220
236.166.66.33 0:0:0:0:0:ffff:eca6:4221
236.166.66.34 0:0:0:0:0:ffff:eca6:4222
236.166.66.35 0:0:0:0:0:ffff:eca6:4223
236.166.66.36 0:0:0:0:0:ffff:eca6:4224
236.166.66.37 0:0:0:0:0:ffff:eca6:4225
236.166.66.38 0:0:0:0:0:ffff:eca6:4226
236.166.66.39 0:0:0:0:0:ffff:eca6:4227
236.166.66.40 0:0:0:0:0:ffff:eca6:4228
236.166.66.41 0:0:0:0:0:ffff:eca6:4229
236.166.66.42 0:0:0:0:0:ffff:eca6:422a
236.166.66.43 0:0:0:0:0:ffff:eca6:422b
236.166.66.44 0:0:0:0:0:ffff:eca6:422c
236.166.66.45 0:0:0:0:0:ffff:eca6:422d
236.166.66.46 0:0:0:0:0:ffff:eca6:422e
236.166.66.47 0:0:0:0:0:ffff:eca6:422f
236.166.66.48 0:0:0:0:0:ffff:eca6:4230
236.166.66.49 0:0:0:0:0:ffff:eca6:4231
236.166.66.50 0:0:0:0:0:ffff:eca6:4232
236.166.66.51 0:0:0:0:0:ffff:eca6:4233
236.166.66.52 0:0:0:0:0:ffff:eca6:4234
236.166.66.53 0:0:0:0:0:ffff:eca6:4235
236.166.66.54 0:0:0:0:0:ffff:eca6:4236
236.166.66.55 0:0:0:0:0:ffff:eca6:4237
236.166.66.56 0:0:0:0:0:ffff:eca6:4238
236.166.66.57 0:0:0:0:0:ffff:eca6:4239
236.166.66.58 0:0:0:0:0:ffff:eca6:423a
236.166.66.59 0:0:0:0:0:ffff:eca6:423b
236.166.66.60 0:0:0:0:0:ffff:eca6:423c


236.166.66.61 0:0:0:0:0:ffff:eca6:423d
236.166.66.62 0:0:0:0:0:ffff:eca6:423e
236.166.66.63 0:0:0:0:0:ffff:eca6:423f
236.166.66.64 0:0:0:0:0:ffff:eca6:4240
236.166.66.65 0:0:0:0:0:ffff:eca6:4241
236.166.66.66 0:0:0:0:0:ffff:eca6:4242
236.166.66.67 0:0:0:0:0:ffff:eca6:4243
236.166.66.68 0:0:0:0:0:ffff:eca6:4244
236.166.66.69 0:0:0:0:0:ffff:eca6:4245
236.166.66.70 0:0:0:0:0:ffff:eca6:4246
236.166.66.71 0:0:0:0:0:ffff:eca6:4247
236.166.66.72 0:0:0:0:0:ffff:eca6:4248
236.166.66.73 0:0:0:0:0:ffff:eca6:4249
236.166.66.74 0:0:0:0:0:ffff:eca6:424a
236.166.66.75 0:0:0:0:0:ffff:eca6:424b
236.166.66.76 0:0:0:0:0:ffff:eca6:424c
236.166.66.77 0:0:0:0:0:ffff:eca6:424d
236.166.66.78 0:0:0:0:0:ffff:eca6:424e
236.166.66.79 0:0:0:0:0:ffff:eca6:424f
236.166.66.80 0:0:0:0:0:ffff:eca6:4250
236.166.66.81 0:0:0:0:0:ffff:eca6:4251
236.166.66.82 0:0:0:0:0:ffff:eca6:4252
236.166.66.83 0:0:0:0:0:ffff:eca6:4253
236.166.66.84 0:0:0:0:0:ffff:eca6:4254
236.166.66.85 0:0:0:0:0:ffff:eca6:4255
236.166.66.86 0:0:0:0:0:ffff:eca6:4256
236.166.66.87 0:0:0:0:0:ffff:eca6:4257
236.166.66.88 0:0:0:0:0:ffff:eca6:4258
236.166.66.89 0:0:0:0:0:ffff:eca6:4259
236.166.66.90 0:0:0:0:0:ffff:eca6:425a
236.166.66.91 0:0:0:0:0:ffff:eca6:425b
236.166.66.92 0:0:0:0:0:ffff:eca6:425c
236.166.66.93 0:0:0:0:0:ffff:eca6:425d
236.166.66.94 0:0:0:0:0:ffff:eca6:425e
236.166.66.95 0:0:0:0:0:ffff:eca6:425f
236.166.66.96 0:0:0:0:0:ffff:eca6:4260
236.166.66.97 0:0:0:0:0:ffff:eca6:4261
236.166.66.98 0:0:0:0:0:ffff:eca6:4262
236.166.66.99 0:0:0:0:0:ffff:eca6:4263
236.166.66.100 0:0:0:0:0:ffff:eca6:4264
236.166.66.101 0:0:0:0:0:ffff:eca6:4265
236.166.66.102 0:0:0:0:0:ffff:eca6:4266
236.166.66.103 0:0:0:0:0:ffff:eca6:4267
236.166.66.104 0:0:0:0:0:ffff:eca6:4268
236.166.66.105 0:0:0:0:0:ffff:eca6:4269
236.166.66.106 0:0:0:0:0:ffff:eca6:426a
236.166.66.107 0:0:0:0:0:ffff:eca6:426b
236.166.66.108 0:0:0:0:0:ffff:eca6:426c
236.166.66.109 0:0:0:0:0:ffff:eca6:426d
236.166.66.110 0:0:0:0:0:ffff:eca6:426e
236.166.66.111 0:0:0:0:0:ffff:eca6:426f
236.166.66.112 0:0:0:0:0:ffff:eca6:4270
236.166.66.113 0:0:0:0:0:ffff:eca6:4271
236.166.66.114 0:0:0:0:0:ffff:eca6:4272
236.166.66.115 0:0:0:0:0:ffff:eca6:4273
236.166.66.116 0:0:0:0:0:ffff:eca6:4274
236.166.66.117 0:0:0:0:0:ffff:eca6:4275
236.166.66.118 0:0:0:0:0:ffff:eca6:4276
236.166.66.119 0:0:0:0:0:ffff:eca6:4277
236.166.66.120 0:0:0:0:0:ffff:eca6:4278


236.166.66.121 0:0:0:0:0:ffff:eca6:4279
236.166.66.122 0:0:0:0:0:ffff:eca6:427a
236.166.66.123 0:0:0:0:0:ffff:eca6:427b
236.166.66.124 0:0:0:0:0:ffff:eca6:427c
236.166.66.125 0:0:0:0:0:ffff:eca6:427d
236.166.66.126 0:0:0:0:0:ffff:eca6:427e
236.166.66.127 0:0:0:0:0:ffff:eca6:427f
236.166.66.128 0:0:0:0:0:ffff:eca6:4280
236.166.66.129 0:0:0:0:0:ffff:eca6:4281
236.166.66.130 0:0:0:0:0:ffff:eca6:4282
236.166.66.131 0:0:0:0:0:ffff:eca6:4283
236.166.66.132 0:0:0:0:0:ffff:eca6:4284
236.166.66.133 0:0:0:0:0:ffff:eca6:4285
236.166.66.134 0:0:0:0:0:ffff:eca6:4286
236.166.66.135 0:0:0:0:0:ffff:eca6:4287
236.166.66.136 0:0:0:0:0:ffff:eca6:4288
236.166.66.137 0:0:0:0:0:ffff:eca6:4289
236.166.66.138 0:0:0:0:0:ffff:eca6:428a
236.166.66.139 0:0:0:0:0:ffff:eca6:428b
236.166.66.140 0:0:0:0:0:ffff:eca6:428c
236.166.66.141 0:0:0:0:0:ffff:eca6:428d
236.166.66.142 0:0:0:0:0:ffff:eca6:428e
236.166.66.143 0:0:0:0:0:ffff:eca6:428f
236.166.66.144 0:0:0:0:0:ffff:eca6:4290
236.166.66.145 0:0:0:0:0:ffff:eca6:4291
236.166.66.146 0:0:0:0:0:ffff:eca6:4292
236.166.66.147 0:0:0:0:0:ffff:eca6:4293
236.166.66.148 0:0:0:0:0:ffff:eca6:4294
236.166.66.149 0:0:0:0:0:ffff:eca6:4295
236.166.66.150 0:0:0:0:0:ffff:eca6:4296
236.166.66.151 0:0:0:0:0:ffff:eca6:4297
236.166.66.152 0:0:0:0:0:ffff:eca6:4298
236.166.66.153 0:0:0:0:0:ffff:eca6:4299
236.166.66.154 0:0:0:0:0:ffff:eca6:429a
236.166.66.155 0:0:0:0:0:ffff:eca6:429b
236.166.66.156 0:0:0:0:0:ffff:eca6:429c
236.166.66.157 0:0:0:0:0:ffff:eca6:429d
236.166.66.158 0:0:0:0:0:ffff:eca6:429e
236.166.66.159 0:0:0:0:0:ffff:eca6:429f
236.166.66.160 0:0:0:0:0:ffff:eca6:42a0
236.166.66.161 0:0:0:0:0:ffff:eca6:42a1
236.166.66.162 0:0:0:0:0:ffff:eca6:42a2
236.166.66.163 0:0:0:0:0:ffff:eca6:42a3
236.166.66.164 0:0:0:0:0:ffff:eca6:42a4
236.166.66.165 0:0:0:0:0:ffff:eca6:42a5
236.166.66.166 0:0:0:0:0:ffff:eca6:42a6
236.166.66.167 0:0:0:0:0:ffff:eca6:42a7
236.166.66.168 0:0:0:0:0:ffff:eca6:42a8
236.166.66.169 0:0:0:0:0:ffff:eca6:42a9
236.166.66.170 0:0:0:0:0:ffff:eca6:42aa
236.166.66.171 0:0:0:0:0:ffff:eca6:42ab
236.166.66.172 0:0:0:0:0:ffff:eca6:42ac
236.166.66.173 0:0:0:0:0:ffff:eca6:42ad
236.166.66.174 0:0:0:0:0:ffff:eca6:42ae
236.166.66.175 0:0:0:0:0:ffff:eca6:42af
236.166.66.176 0:0:0:0:0:ffff:eca6:42b0
236.166.66.177 0:0:0:0:0:ffff:eca6:42b1
236.166.66.178 0:0:0:0:0:ffff:eca6:42b2
236.166.66.179 0:0:0:0:0:ffff:eca6:42b3
236.166.66.180 0:0:0:0:0:ffff:eca6:42b4


236.166.66.181 0:0:0:0:0:ffff:eca6:42b5
236.166.66.182 0:0:0:0:0:ffff:eca6:42b6
236.166.66.183 0:0:0:0:0:ffff:eca6:42b7
236.166.66.184 0:0:0:0:0:ffff:eca6:42b8
236.166.66.185 0:0:0:0:0:ffff:eca6:42b9
236.166.66.186 0:0:0:0:0:ffff:eca6:42ba
236.166.66.187 0:0:0:0:0:ffff:eca6:42bb
236.166.66.188 0:0:0:0:0:ffff:eca6:42bc
236.166.66.189 0:0:0:0:0:ffff:eca6:42bd
236.166.66.190 0:0:0:0:0:ffff:eca6:42be
236.166.66.191 0:0:0:0:0:ffff:eca6:42bf
236.166.66.192 0:0:0:0:0:ffff:eca6:42c0
236.166.66.193 0:0:0:0:0:ffff:eca6:42c1
236.166.66.194 0:0:0:0:0:ffff:eca6:42c2
236.166.66.195 0:0:0:0:0:ffff:eca6:42c3
236.166.66.196 0:0:0:0:0:ffff:eca6:42c4
236.166.66.197 0:0:0:0:0:ffff:eca6:42c5
236.166.66.198 0:0:0:0:0:ffff:eca6:42c6
236.166.66.199 0:0:0:0:0:ffff:eca6:42c7
236.166.66.200 0:0:0:0:0:ffff:eca6:42c8
236.166.66.201 0:0:0:0:0:ffff:eca6:42c9
236.166.66.202 0:0:0:0:0:ffff:eca6:42ca
236.166.66.203 0:0:0:0:0:ffff:eca6:42cb
236.166.66.204 0:0:0:0:0:ffff:eca6:42cc
236.166.66.205 0:0:0:0:0:ffff:eca6:42cd
236.166.66.206 0:0:0:0:0:ffff:eca6:42ce
236.166.66.207 0:0:0:0:0:ffff:eca6:42cf
236.166.66.208 0:0:0:0:0:ffff:eca6:42d0
236.166.66.209 0:0:0:0:0:ffff:eca6:42d1
236.166.66.210 0:0:0:0:0:ffff:eca6:42d2
236.166.66.211 0:0:0:0:0:ffff:eca6:42d3
236.166.66.212 0:0:0:0:0:ffff:eca6:42d4
236.166.66.213 0:0:0:0:0:ffff:eca6:42d5
236.166.66.214 0:0:0:0:0:ffff:eca6:42d6
236.166.66.215 0:0:0:0:0:ffff:eca6:42d7
236.166.66.216 0:0:0:0:0:ffff:eca6:42d8
236.166.66.217 0:0:0:0:0:ffff:eca6:42d9
236.166.66.218 0:0:0:0:0:ffff:eca6:42da
236.166.66.219 0:0:0:0:0:ffff:eca6:42db
236.166.66.220 0:0:0:0:0:ffff:eca6:42dc
236.166.66.221 0:0:0:0:0:ffff:eca6:42dd
236.166.66.222 0:0:0:0:0:ffff:eca6:42de
236.166.66.223 0:0:0:0:0:ffff:eca6:42df
236.166.66.224 0:0:0:0:0:ffff:eca6:42e0
236.166.66.225 0:0:0:0:0:ffff:eca6:42e1
236.166.66.226 0:0:0:0:0:ffff:eca6:42e2
236.166.66.227 0:0:0:0:0:ffff:eca6:42e3
236.166.66.228 0:0:0:0:0:ffff:eca6:42e4
236.166.66.229 0:0:0:0:0:ffff:eca6:42e5
236.166.66.230 0:0:0:0:0:ffff:eca6:42e6
236.166.66.231 0:0:0:0:0:ffff:eca6:42e7
236.166.66.232 0:0:0:0:0:ffff:eca6:42e8
236.166.66.233 0:0:0:0:0:ffff:eca6:42e9
236.166.66.234 0:0:0:0:0:ffff:eca6:42ea
236.166.66.235 0:0:0:0:0:ffff:eca6:42eb
236.166.66.236 0:0:0:0:0:ffff:eca6:42ec
236.166.66.237 0:0:0:0:0:ffff:eca6:42ed
236.166.66.238 0:0:0:0:0:ffff:eca6:42ee
236.166.66.239 0:0:0:0:0:ffff:eca6:42ef
236.166.66.240 0:0:0:0:0:ffff:eca6:42f0
236.166.66.241 0:0:0:0:0:ffff:eca6:42f1
236.166.66.242 0:0:0:0:0:ffff:eca6:42f2
236.166.66.243 0:0:0:0:0:ffff:eca6:42f3
236.166.66.244 0:0:0:0:0:ffff:eca6:42f4
236.166.66.245 0:0:0:0:0:ffff:eca6:42f5
236.166.66.246 0:0:0:0:0:ffff:eca6:42f6
236.166.66.247 0:0:0:0:0:ffff:eca6:42f7
236.166.66.248 0:0:0:0:0:ffff:eca6:42f8
236.166.66.249 0:0:0:0:0:ffff:eca6:42f9
236.166.66.250 0:0:0:0:0:ffff:eca6:42fa
236.166.66.251 0:0:0:0:0:ffff:eca6:42fb
236.166.66.252 0:0:0:0:0:ffff:eca6:42fc
236.166.66.253 0:0:0:0:0:ffff:eca6:42fd
236.166.66.254 0:0:0:0:0:ffff:eca6:42fe
236.166.66.255 0:0:0:0:0:ffff:eca6:42ff


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.