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
231.85.66.1 0:0:0:0:0:ffff:e755:4201
231.85.66.2 0:0:0:0:0:ffff:e755:4202
231.85.66.3 0:0:0:0:0:ffff:e755:4203
231.85.66.4 0:0:0:0:0:ffff:e755:4204
231.85.66.5 0:0:0:0:0:ffff:e755:4205
231.85.66.6 0:0:0:0:0:ffff:e755:4206
231.85.66.7 0:0:0:0:0:ffff:e755:4207
231.85.66.8 0:0:0:0:0:ffff:e755:4208
231.85.66.9 0:0:0:0:0:ffff:e755:4209
231.85.66.10 0:0:0:0:0:ffff:e755:420a
231.85.66.11 0:0:0:0:0:ffff:e755:420b
231.85.66.12 0:0:0:0:0:ffff:e755:420c
231.85.66.13 0:0:0:0:0:ffff:e755:420d
231.85.66.14 0:0:0:0:0:ffff:e755:420e
231.85.66.15 0:0:0:0:0:ffff:e755:420f
231.85.66.16 0:0:0:0:0:ffff:e755:4210
231.85.66.17 0:0:0:0:0:ffff:e755:4211
231.85.66.18 0:0:0:0:0:ffff:e755:4212
231.85.66.19 0:0:0:0:0:ffff:e755:4213
231.85.66.20 0:0:0:0:0:ffff:e755:4214
231.85.66.21 0:0:0:0:0:ffff:e755:4215
231.85.66.22 0:0:0:0:0:ffff:e755:4216
231.85.66.23 0:0:0:0:0:ffff:e755:4217
231.85.66.24 0:0:0:0:0:ffff:e755:4218
231.85.66.25 0:0:0:0:0:ffff:e755:4219
231.85.66.26 0:0:0:0:0:ffff:e755:421a
231.85.66.27 0:0:0:0:0:ffff:e755:421b
231.85.66.28 0:0:0:0:0:ffff:e755:421c
231.85.66.29 0:0:0:0:0:ffff:e755:421d
231.85.66.30 0:0:0:0:0:ffff:e755:421e
231.85.66.31 0:0:0:0:0:ffff:e755:421f
231.85.66.32 0:0:0:0:0:ffff:e755:4220
231.85.66.33 0:0:0:0:0:ffff:e755:4221
231.85.66.34 0:0:0:0:0:ffff:e755:4222
231.85.66.35 0:0:0:0:0:ffff:e755:4223
231.85.66.36 0:0:0:0:0:ffff:e755:4224
231.85.66.37 0:0:0:0:0:ffff:e755:4225
231.85.66.38 0:0:0:0:0:ffff:e755:4226
231.85.66.39 0:0:0:0:0:ffff:e755:4227
231.85.66.40 0:0:0:0:0:ffff:e755:4228
231.85.66.41 0:0:0:0:0:ffff:e755:4229
231.85.66.42 0:0:0:0:0:ffff:e755:422a
231.85.66.43 0:0:0:0:0:ffff:e755:422b
231.85.66.44 0:0:0:0:0:ffff:e755:422c
231.85.66.45 0:0:0:0:0:ffff:e755:422d
231.85.66.46 0:0:0:0:0:ffff:e755:422e
231.85.66.47 0:0:0:0:0:ffff:e755:422f
231.85.66.48 0:0:0:0:0:ffff:e755:4230
231.85.66.49 0:0:0:0:0:ffff:e755:4231
231.85.66.50 0:0:0:0:0:ffff:e755:4232
231.85.66.51 0:0:0:0:0:ffff:e755:4233
231.85.66.52 0:0:0:0:0:ffff:e755:4234
231.85.66.53 0:0:0:0:0:ffff:e755:4235
231.85.66.54 0:0:0:0:0:ffff:e755:4236
231.85.66.55 0:0:0:0:0:ffff:e755:4237
231.85.66.56 0:0:0:0:0:ffff:e755:4238
231.85.66.57 0:0:0:0:0:ffff:e755:4239
231.85.66.58 0:0:0:0:0:ffff:e755:423a
231.85.66.59 0:0:0:0:0:ffff:e755:423b
231.85.66.60 0:0:0:0:0:ffff:e755:423c


231.85.66.61 0:0:0:0:0:ffff:e755:423d
231.85.66.62 0:0:0:0:0:ffff:e755:423e
231.85.66.63 0:0:0:0:0:ffff:e755:423f
231.85.66.64 0:0:0:0:0:ffff:e755:4240
231.85.66.65 0:0:0:0:0:ffff:e755:4241
231.85.66.66 0:0:0:0:0:ffff:e755:4242
231.85.66.67 0:0:0:0:0:ffff:e755:4243
231.85.66.68 0:0:0:0:0:ffff:e755:4244
231.85.66.69 0:0:0:0:0:ffff:e755:4245
231.85.66.70 0:0:0:0:0:ffff:e755:4246
231.85.66.71 0:0:0:0:0:ffff:e755:4247
231.85.66.72 0:0:0:0:0:ffff:e755:4248
231.85.66.73 0:0:0:0:0:ffff:e755:4249
231.85.66.74 0:0:0:0:0:ffff:e755:424a
231.85.66.75 0:0:0:0:0:ffff:e755:424b
231.85.66.76 0:0:0:0:0:ffff:e755:424c
231.85.66.77 0:0:0:0:0:ffff:e755:424d
231.85.66.78 0:0:0:0:0:ffff:e755:424e
231.85.66.79 0:0:0:0:0:ffff:e755:424f
231.85.66.80 0:0:0:0:0:ffff:e755:4250
231.85.66.81 0:0:0:0:0:ffff:e755:4251
231.85.66.82 0:0:0:0:0:ffff:e755:4252
231.85.66.83 0:0:0:0:0:ffff:e755:4253
231.85.66.84 0:0:0:0:0:ffff:e755:4254
231.85.66.85 0:0:0:0:0:ffff:e755:4255
231.85.66.86 0:0:0:0:0:ffff:e755:4256
231.85.66.87 0:0:0:0:0:ffff:e755:4257
231.85.66.88 0:0:0:0:0:ffff:e755:4258
231.85.66.89 0:0:0:0:0:ffff:e755:4259
231.85.66.90 0:0:0:0:0:ffff:e755:425a
231.85.66.91 0:0:0:0:0:ffff:e755:425b
231.85.66.92 0:0:0:0:0:ffff:e755:425c
231.85.66.93 0:0:0:0:0:ffff:e755:425d
231.85.66.94 0:0:0:0:0:ffff:e755:425e
231.85.66.95 0:0:0:0:0:ffff:e755:425f
231.85.66.96 0:0:0:0:0:ffff:e755:4260
231.85.66.97 0:0:0:0:0:ffff:e755:4261
231.85.66.98 0:0:0:0:0:ffff:e755:4262
231.85.66.99 0:0:0:0:0:ffff:e755:4263
231.85.66.100 0:0:0:0:0:ffff:e755:4264
231.85.66.101 0:0:0:0:0:ffff:e755:4265
231.85.66.102 0:0:0:0:0:ffff:e755:4266
231.85.66.103 0:0:0:0:0:ffff:e755:4267
231.85.66.104 0:0:0:0:0:ffff:e755:4268
231.85.66.105 0:0:0:0:0:ffff:e755:4269
231.85.66.106 0:0:0:0:0:ffff:e755:426a
231.85.66.107 0:0:0:0:0:ffff:e755:426b
231.85.66.108 0:0:0:0:0:ffff:e755:426c
231.85.66.109 0:0:0:0:0:ffff:e755:426d
231.85.66.110 0:0:0:0:0:ffff:e755:426e
231.85.66.111 0:0:0:0:0:ffff:e755:426f
231.85.66.112 0:0:0:0:0:ffff:e755:4270
231.85.66.113 0:0:0:0:0:ffff:e755:4271
231.85.66.114 0:0:0:0:0:ffff:e755:4272
231.85.66.115 0:0:0:0:0:ffff:e755:4273
231.85.66.116 0:0:0:0:0:ffff:e755:4274
231.85.66.117 0:0:0:0:0:ffff:e755:4275
231.85.66.118 0:0:0:0:0:ffff:e755:4276
231.85.66.119 0:0:0:0:0:ffff:e755:4277
231.85.66.120 0:0:0:0:0:ffff:e755:4278


231.85.66.121 0:0:0:0:0:ffff:e755:4279
231.85.66.122 0:0:0:0:0:ffff:e755:427a
231.85.66.123 0:0:0:0:0:ffff:e755:427b
231.85.66.124 0:0:0:0:0:ffff:e755:427c
231.85.66.125 0:0:0:0:0:ffff:e755:427d
231.85.66.126 0:0:0:0:0:ffff:e755:427e
231.85.66.127 0:0:0:0:0:ffff:e755:427f
231.85.66.128 0:0:0:0:0:ffff:e755:4280
231.85.66.129 0:0:0:0:0:ffff:e755:4281
231.85.66.130 0:0:0:0:0:ffff:e755:4282
231.85.66.131 0:0:0:0:0:ffff:e755:4283
231.85.66.132 0:0:0:0:0:ffff:e755:4284
231.85.66.133 0:0:0:0:0:ffff:e755:4285
231.85.66.134 0:0:0:0:0:ffff:e755:4286
231.85.66.135 0:0:0:0:0:ffff:e755:4287
231.85.66.136 0:0:0:0:0:ffff:e755:4288
231.85.66.137 0:0:0:0:0:ffff:e755:4289
231.85.66.138 0:0:0:0:0:ffff:e755:428a
231.85.66.139 0:0:0:0:0:ffff:e755:428b
231.85.66.140 0:0:0:0:0:ffff:e755:428c
231.85.66.141 0:0:0:0:0:ffff:e755:428d
231.85.66.142 0:0:0:0:0:ffff:e755:428e
231.85.66.143 0:0:0:0:0:ffff:e755:428f
231.85.66.144 0:0:0:0:0:ffff:e755:4290
231.85.66.145 0:0:0:0:0:ffff:e755:4291
231.85.66.146 0:0:0:0:0:ffff:e755:4292
231.85.66.147 0:0:0:0:0:ffff:e755:4293
231.85.66.148 0:0:0:0:0:ffff:e755:4294
231.85.66.149 0:0:0:0:0:ffff:e755:4295
231.85.66.150 0:0:0:0:0:ffff:e755:4296
231.85.66.151 0:0:0:0:0:ffff:e755:4297
231.85.66.152 0:0:0:0:0:ffff:e755:4298
231.85.66.153 0:0:0:0:0:ffff:e755:4299
231.85.66.154 0:0:0:0:0:ffff:e755:429a
231.85.66.155 0:0:0:0:0:ffff:e755:429b
231.85.66.156 0:0:0:0:0:ffff:e755:429c
231.85.66.157 0:0:0:0:0:ffff:e755:429d
231.85.66.158 0:0:0:0:0:ffff:e755:429e
231.85.66.159 0:0:0:0:0:ffff:e755:429f
231.85.66.160 0:0:0:0:0:ffff:e755:42a0
231.85.66.161 0:0:0:0:0:ffff:e755:42a1
231.85.66.162 0:0:0:0:0:ffff:e755:42a2
231.85.66.163 0:0:0:0:0:ffff:e755:42a3
231.85.66.164 0:0:0:0:0:ffff:e755:42a4
231.85.66.165 0:0:0:0:0:ffff:e755:42a5
231.85.66.166 0:0:0:0:0:ffff:e755:42a6
231.85.66.167 0:0:0:0:0:ffff:e755:42a7
231.85.66.168 0:0:0:0:0:ffff:e755:42a8
231.85.66.169 0:0:0:0:0:ffff:e755:42a9
231.85.66.170 0:0:0:0:0:ffff:e755:42aa
231.85.66.171 0:0:0:0:0:ffff:e755:42ab
231.85.66.172 0:0:0:0:0:ffff:e755:42ac
231.85.66.173 0:0:0:0:0:ffff:e755:42ad
231.85.66.174 0:0:0:0:0:ffff:e755:42ae
231.85.66.175 0:0:0:0:0:ffff:e755:42af
231.85.66.176 0:0:0:0:0:ffff:e755:42b0
231.85.66.177 0:0:0:0:0:ffff:e755:42b1
231.85.66.178 0:0:0:0:0:ffff:e755:42b2
231.85.66.179 0:0:0:0:0:ffff:e755:42b3
231.85.66.180 0:0:0:0:0:ffff:e755:42b4


231.85.66.181 0:0:0:0:0:ffff:e755:42b5
231.85.66.182 0:0:0:0:0:ffff:e755:42b6
231.85.66.183 0:0:0:0:0:ffff:e755:42b7
231.85.66.184 0:0:0:0:0:ffff:e755:42b8
231.85.66.185 0:0:0:0:0:ffff:e755:42b9
231.85.66.186 0:0:0:0:0:ffff:e755:42ba
231.85.66.187 0:0:0:0:0:ffff:e755:42bb
231.85.66.188 0:0:0:0:0:ffff:e755:42bc
231.85.66.189 0:0:0:0:0:ffff:e755:42bd
231.85.66.190 0:0:0:0:0:ffff:e755:42be
231.85.66.191 0:0:0:0:0:ffff:e755:42bf
231.85.66.192 0:0:0:0:0:ffff:e755:42c0
231.85.66.193 0:0:0:0:0:ffff:e755:42c1
231.85.66.194 0:0:0:0:0:ffff:e755:42c2
231.85.66.195 0:0:0:0:0:ffff:e755:42c3
231.85.66.196 0:0:0:0:0:ffff:e755:42c4
231.85.66.197 0:0:0:0:0:ffff:e755:42c5
231.85.66.198 0:0:0:0:0:ffff:e755:42c6
231.85.66.199 0:0:0:0:0:ffff:e755:42c7
231.85.66.200 0:0:0:0:0:ffff:e755:42c8
231.85.66.201 0:0:0:0:0:ffff:e755:42c9
231.85.66.202 0:0:0:0:0:ffff:e755:42ca
231.85.66.203 0:0:0:0:0:ffff:e755:42cb
231.85.66.204 0:0:0:0:0:ffff:e755:42cc
231.85.66.205 0:0:0:0:0:ffff:e755:42cd
231.85.66.206 0:0:0:0:0:ffff:e755:42ce
231.85.66.207 0:0:0:0:0:ffff:e755:42cf
231.85.66.208 0:0:0:0:0:ffff:e755:42d0
231.85.66.209 0:0:0:0:0:ffff:e755:42d1
231.85.66.210 0:0:0:0:0:ffff:e755:42d2
231.85.66.211 0:0:0:0:0:ffff:e755:42d3
231.85.66.212 0:0:0:0:0:ffff:e755:42d4
231.85.66.213 0:0:0:0:0:ffff:e755:42d5
231.85.66.214 0:0:0:0:0:ffff:e755:42d6
231.85.66.215 0:0:0:0:0:ffff:e755:42d7
231.85.66.216 0:0:0:0:0:ffff:e755:42d8
231.85.66.217 0:0:0:0:0:ffff:e755:42d9
231.85.66.218 0:0:0:0:0:ffff:e755:42da
231.85.66.219 0:0:0:0:0:ffff:e755:42db
231.85.66.220 0:0:0:0:0:ffff:e755:42dc
231.85.66.221 0:0:0:0:0:ffff:e755:42dd
231.85.66.222 0:0:0:0:0:ffff:e755:42de
231.85.66.223 0:0:0:0:0:ffff:e755:42df
231.85.66.224 0:0:0:0:0:ffff:e755:42e0
231.85.66.225 0:0:0:0:0:ffff:e755:42e1
231.85.66.226 0:0:0:0:0:ffff:e755:42e2
231.85.66.227 0:0:0:0:0:ffff:e755:42e3
231.85.66.228 0:0:0:0:0:ffff:e755:42e4
231.85.66.229 0:0:0:0:0:ffff:e755:42e5
231.85.66.230 0:0:0:0:0:ffff:e755:42e6
231.85.66.231 0:0:0:0:0:ffff:e755:42e7
231.85.66.232 0:0:0:0:0:ffff:e755:42e8
231.85.66.233 0:0:0:0:0:ffff:e755:42e9
231.85.66.234 0:0:0:0:0:ffff:e755:42ea
231.85.66.235 0:0:0:0:0:ffff:e755:42eb
231.85.66.236 0:0:0:0:0:ffff:e755:42ec
231.85.66.237 0:0:0:0:0:ffff:e755:42ed
231.85.66.238 0:0:0:0:0:ffff:e755:42ee
231.85.66.239 0:0:0:0:0:ffff:e755:42ef
231.85.66.240 0:0:0:0:0:ffff:e755:42f0
231.85.66.241 0:0:0:0:0:ffff:e755:42f1
231.85.66.242 0:0:0:0:0:ffff:e755:42f2
231.85.66.243 0:0:0:0:0:ffff:e755:42f3
231.85.66.244 0:0:0:0:0:ffff:e755:42f4
231.85.66.245 0:0:0:0:0:ffff:e755:42f5
231.85.66.246 0:0:0:0:0:ffff:e755:42f6
231.85.66.247 0:0:0:0:0:ffff:e755:42f7
231.85.66.248 0:0:0:0:0:ffff:e755:42f8
231.85.66.249 0:0:0:0:0:ffff:e755:42f9
231.85.66.250 0:0:0:0:0:ffff:e755:42fa
231.85.66.251 0:0:0:0:0:ffff:e755:42fb
231.85.66.252 0:0:0:0:0:ffff:e755:42fc
231.85.66.253 0:0:0:0:0:ffff:e755:42fd
231.85.66.254 0:0:0:0:0:ffff:e755:42fe
231.85.66.255 0:0:0:0:0:ffff:e755:42ff


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.