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
215.56.66.1 0:0:0:0:0:ffff:d738:4201
215.56.66.2 0:0:0:0:0:ffff:d738:4202
215.56.66.3 0:0:0:0:0:ffff:d738:4203
215.56.66.4 0:0:0:0:0:ffff:d738:4204
215.56.66.5 0:0:0:0:0:ffff:d738:4205
215.56.66.6 0:0:0:0:0:ffff:d738:4206
215.56.66.7 0:0:0:0:0:ffff:d738:4207
215.56.66.8 0:0:0:0:0:ffff:d738:4208
215.56.66.9 0:0:0:0:0:ffff:d738:4209
215.56.66.10 0:0:0:0:0:ffff:d738:420a
215.56.66.11 0:0:0:0:0:ffff:d738:420b
215.56.66.12 0:0:0:0:0:ffff:d738:420c
215.56.66.13 0:0:0:0:0:ffff:d738:420d
215.56.66.14 0:0:0:0:0:ffff:d738:420e
215.56.66.15 0:0:0:0:0:ffff:d738:420f
215.56.66.16 0:0:0:0:0:ffff:d738:4210
215.56.66.17 0:0:0:0:0:ffff:d738:4211
215.56.66.18 0:0:0:0:0:ffff:d738:4212
215.56.66.19 0:0:0:0:0:ffff:d738:4213
215.56.66.20 0:0:0:0:0:ffff:d738:4214
215.56.66.21 0:0:0:0:0:ffff:d738:4215
215.56.66.22 0:0:0:0:0:ffff:d738:4216
215.56.66.23 0:0:0:0:0:ffff:d738:4217
215.56.66.24 0:0:0:0:0:ffff:d738:4218
215.56.66.25 0:0:0:0:0:ffff:d738:4219
215.56.66.26 0:0:0:0:0:ffff:d738:421a
215.56.66.27 0:0:0:0:0:ffff:d738:421b
215.56.66.28 0:0:0:0:0:ffff:d738:421c
215.56.66.29 0:0:0:0:0:ffff:d738:421d
215.56.66.30 0:0:0:0:0:ffff:d738:421e
215.56.66.31 0:0:0:0:0:ffff:d738:421f
215.56.66.32 0:0:0:0:0:ffff:d738:4220
215.56.66.33 0:0:0:0:0:ffff:d738:4221
215.56.66.34 0:0:0:0:0:ffff:d738:4222
215.56.66.35 0:0:0:0:0:ffff:d738:4223
215.56.66.36 0:0:0:0:0:ffff:d738:4224
215.56.66.37 0:0:0:0:0:ffff:d738:4225
215.56.66.38 0:0:0:0:0:ffff:d738:4226
215.56.66.39 0:0:0:0:0:ffff:d738:4227
215.56.66.40 0:0:0:0:0:ffff:d738:4228
215.56.66.41 0:0:0:0:0:ffff:d738:4229
215.56.66.42 0:0:0:0:0:ffff:d738:422a
215.56.66.43 0:0:0:0:0:ffff:d738:422b
215.56.66.44 0:0:0:0:0:ffff:d738:422c
215.56.66.45 0:0:0:0:0:ffff:d738:422d
215.56.66.46 0:0:0:0:0:ffff:d738:422e
215.56.66.47 0:0:0:0:0:ffff:d738:422f
215.56.66.48 0:0:0:0:0:ffff:d738:4230
215.56.66.49 0:0:0:0:0:ffff:d738:4231
215.56.66.50 0:0:0:0:0:ffff:d738:4232
215.56.66.51 0:0:0:0:0:ffff:d738:4233
215.56.66.52 0:0:0:0:0:ffff:d738:4234
215.56.66.53 0:0:0:0:0:ffff:d738:4235
215.56.66.54 0:0:0:0:0:ffff:d738:4236
215.56.66.55 0:0:0:0:0:ffff:d738:4237
215.56.66.56 0:0:0:0:0:ffff:d738:4238
215.56.66.57 0:0:0:0:0:ffff:d738:4239
215.56.66.58 0:0:0:0:0:ffff:d738:423a
215.56.66.59 0:0:0:0:0:ffff:d738:423b
215.56.66.60 0:0:0:0:0:ffff:d738:423c


215.56.66.61 0:0:0:0:0:ffff:d738:423d
215.56.66.62 0:0:0:0:0:ffff:d738:423e
215.56.66.63 0:0:0:0:0:ffff:d738:423f
215.56.66.64 0:0:0:0:0:ffff:d738:4240
215.56.66.65 0:0:0:0:0:ffff:d738:4241
215.56.66.66 0:0:0:0:0:ffff:d738:4242
215.56.66.67 0:0:0:0:0:ffff:d738:4243
215.56.66.68 0:0:0:0:0:ffff:d738:4244
215.56.66.69 0:0:0:0:0:ffff:d738:4245
215.56.66.70 0:0:0:0:0:ffff:d738:4246
215.56.66.71 0:0:0:0:0:ffff:d738:4247
215.56.66.72 0:0:0:0:0:ffff:d738:4248
215.56.66.73 0:0:0:0:0:ffff:d738:4249
215.56.66.74 0:0:0:0:0:ffff:d738:424a
215.56.66.75 0:0:0:0:0:ffff:d738:424b
215.56.66.76 0:0:0:0:0:ffff:d738:424c
215.56.66.77 0:0:0:0:0:ffff:d738:424d
215.56.66.78 0:0:0:0:0:ffff:d738:424e
215.56.66.79 0:0:0:0:0:ffff:d738:424f
215.56.66.80 0:0:0:0:0:ffff:d738:4250
215.56.66.81 0:0:0:0:0:ffff:d738:4251
215.56.66.82 0:0:0:0:0:ffff:d738:4252
215.56.66.83 0:0:0:0:0:ffff:d738:4253
215.56.66.84 0:0:0:0:0:ffff:d738:4254
215.56.66.85 0:0:0:0:0:ffff:d738:4255
215.56.66.86 0:0:0:0:0:ffff:d738:4256
215.56.66.87 0:0:0:0:0:ffff:d738:4257
215.56.66.88 0:0:0:0:0:ffff:d738:4258
215.56.66.89 0:0:0:0:0:ffff:d738:4259
215.56.66.90 0:0:0:0:0:ffff:d738:425a
215.56.66.91 0:0:0:0:0:ffff:d738:425b
215.56.66.92 0:0:0:0:0:ffff:d738:425c
215.56.66.93 0:0:0:0:0:ffff:d738:425d
215.56.66.94 0:0:0:0:0:ffff:d738:425e
215.56.66.95 0:0:0:0:0:ffff:d738:425f
215.56.66.96 0:0:0:0:0:ffff:d738:4260
215.56.66.97 0:0:0:0:0:ffff:d738:4261
215.56.66.98 0:0:0:0:0:ffff:d738:4262
215.56.66.99 0:0:0:0:0:ffff:d738:4263
215.56.66.100 0:0:0:0:0:ffff:d738:4264
215.56.66.101 0:0:0:0:0:ffff:d738:4265
215.56.66.102 0:0:0:0:0:ffff:d738:4266
215.56.66.103 0:0:0:0:0:ffff:d738:4267
215.56.66.104 0:0:0:0:0:ffff:d738:4268
215.56.66.105 0:0:0:0:0:ffff:d738:4269
215.56.66.106 0:0:0:0:0:ffff:d738:426a
215.56.66.107 0:0:0:0:0:ffff:d738:426b
215.56.66.108 0:0:0:0:0:ffff:d738:426c
215.56.66.109 0:0:0:0:0:ffff:d738:426d
215.56.66.110 0:0:0:0:0:ffff:d738:426e
215.56.66.111 0:0:0:0:0:ffff:d738:426f
215.56.66.112 0:0:0:0:0:ffff:d738:4270
215.56.66.113 0:0:0:0:0:ffff:d738:4271
215.56.66.114 0:0:0:0:0:ffff:d738:4272
215.56.66.115 0:0:0:0:0:ffff:d738:4273
215.56.66.116 0:0:0:0:0:ffff:d738:4274
215.56.66.117 0:0:0:0:0:ffff:d738:4275
215.56.66.118 0:0:0:0:0:ffff:d738:4276
215.56.66.119 0:0:0:0:0:ffff:d738:4277
215.56.66.120 0:0:0:0:0:ffff:d738:4278


215.56.66.121 0:0:0:0:0:ffff:d738:4279
215.56.66.122 0:0:0:0:0:ffff:d738:427a
215.56.66.123 0:0:0:0:0:ffff:d738:427b
215.56.66.124 0:0:0:0:0:ffff:d738:427c
215.56.66.125 0:0:0:0:0:ffff:d738:427d
215.56.66.126 0:0:0:0:0:ffff:d738:427e
215.56.66.127 0:0:0:0:0:ffff:d738:427f
215.56.66.128 0:0:0:0:0:ffff:d738:4280
215.56.66.129 0:0:0:0:0:ffff:d738:4281
215.56.66.130 0:0:0:0:0:ffff:d738:4282
215.56.66.131 0:0:0:0:0:ffff:d738:4283
215.56.66.132 0:0:0:0:0:ffff:d738:4284
215.56.66.133 0:0:0:0:0:ffff:d738:4285
215.56.66.134 0:0:0:0:0:ffff:d738:4286
215.56.66.135 0:0:0:0:0:ffff:d738:4287
215.56.66.136 0:0:0:0:0:ffff:d738:4288
215.56.66.137 0:0:0:0:0:ffff:d738:4289
215.56.66.138 0:0:0:0:0:ffff:d738:428a
215.56.66.139 0:0:0:0:0:ffff:d738:428b
215.56.66.140 0:0:0:0:0:ffff:d738:428c
215.56.66.141 0:0:0:0:0:ffff:d738:428d
215.56.66.142 0:0:0:0:0:ffff:d738:428e
215.56.66.143 0:0:0:0:0:ffff:d738:428f
215.56.66.144 0:0:0:0:0:ffff:d738:4290
215.56.66.145 0:0:0:0:0:ffff:d738:4291
215.56.66.146 0:0:0:0:0:ffff:d738:4292
215.56.66.147 0:0:0:0:0:ffff:d738:4293
215.56.66.148 0:0:0:0:0:ffff:d738:4294
215.56.66.149 0:0:0:0:0:ffff:d738:4295
215.56.66.150 0:0:0:0:0:ffff:d738:4296
215.56.66.151 0:0:0:0:0:ffff:d738:4297
215.56.66.152 0:0:0:0:0:ffff:d738:4298
215.56.66.153 0:0:0:0:0:ffff:d738:4299
215.56.66.154 0:0:0:0:0:ffff:d738:429a
215.56.66.155 0:0:0:0:0:ffff:d738:429b
215.56.66.156 0:0:0:0:0:ffff:d738:429c
215.56.66.157 0:0:0:0:0:ffff:d738:429d
215.56.66.158 0:0:0:0:0:ffff:d738:429e
215.56.66.159 0:0:0:0:0:ffff:d738:429f
215.56.66.160 0:0:0:0:0:ffff:d738:42a0
215.56.66.161 0:0:0:0:0:ffff:d738:42a1
215.56.66.162 0:0:0:0:0:ffff:d738:42a2
215.56.66.163 0:0:0:0:0:ffff:d738:42a3
215.56.66.164 0:0:0:0:0:ffff:d738:42a4
215.56.66.165 0:0:0:0:0:ffff:d738:42a5
215.56.66.166 0:0:0:0:0:ffff:d738:42a6
215.56.66.167 0:0:0:0:0:ffff:d738:42a7
215.56.66.168 0:0:0:0:0:ffff:d738:42a8
215.56.66.169 0:0:0:0:0:ffff:d738:42a9
215.56.66.170 0:0:0:0:0:ffff:d738:42aa
215.56.66.171 0:0:0:0:0:ffff:d738:42ab
215.56.66.172 0:0:0:0:0:ffff:d738:42ac
215.56.66.173 0:0:0:0:0:ffff:d738:42ad
215.56.66.174 0:0:0:0:0:ffff:d738:42ae
215.56.66.175 0:0:0:0:0:ffff:d738:42af
215.56.66.176 0:0:0:0:0:ffff:d738:42b0
215.56.66.177 0:0:0:0:0:ffff:d738:42b1
215.56.66.178 0:0:0:0:0:ffff:d738:42b2
215.56.66.179 0:0:0:0:0:ffff:d738:42b3
215.56.66.180 0:0:0:0:0:ffff:d738:42b4


215.56.66.181 0:0:0:0:0:ffff:d738:42b5
215.56.66.182 0:0:0:0:0:ffff:d738:42b6
215.56.66.183 0:0:0:0:0:ffff:d738:42b7
215.56.66.184 0:0:0:0:0:ffff:d738:42b8
215.56.66.185 0:0:0:0:0:ffff:d738:42b9
215.56.66.186 0:0:0:0:0:ffff:d738:42ba
215.56.66.187 0:0:0:0:0:ffff:d738:42bb
215.56.66.188 0:0:0:0:0:ffff:d738:42bc
215.56.66.189 0:0:0:0:0:ffff:d738:42bd
215.56.66.190 0:0:0:0:0:ffff:d738:42be
215.56.66.191 0:0:0:0:0:ffff:d738:42bf
215.56.66.192 0:0:0:0:0:ffff:d738:42c0
215.56.66.193 0:0:0:0:0:ffff:d738:42c1
215.56.66.194 0:0:0:0:0:ffff:d738:42c2
215.56.66.195 0:0:0:0:0:ffff:d738:42c3
215.56.66.196 0:0:0:0:0:ffff:d738:42c4
215.56.66.197 0:0:0:0:0:ffff:d738:42c5
215.56.66.198 0:0:0:0:0:ffff:d738:42c6
215.56.66.199 0:0:0:0:0:ffff:d738:42c7
215.56.66.200 0:0:0:0:0:ffff:d738:42c8
215.56.66.201 0:0:0:0:0:ffff:d738:42c9
215.56.66.202 0:0:0:0:0:ffff:d738:42ca
215.56.66.203 0:0:0:0:0:ffff:d738:42cb
215.56.66.204 0:0:0:0:0:ffff:d738:42cc
215.56.66.205 0:0:0:0:0:ffff:d738:42cd
215.56.66.206 0:0:0:0:0:ffff:d738:42ce
215.56.66.207 0:0:0:0:0:ffff:d738:42cf
215.56.66.208 0:0:0:0:0:ffff:d738:42d0
215.56.66.209 0:0:0:0:0:ffff:d738:42d1
215.56.66.210 0:0:0:0:0:ffff:d738:42d2
215.56.66.211 0:0:0:0:0:ffff:d738:42d3
215.56.66.212 0:0:0:0:0:ffff:d738:42d4
215.56.66.213 0:0:0:0:0:ffff:d738:42d5
215.56.66.214 0:0:0:0:0:ffff:d738:42d6
215.56.66.215 0:0:0:0:0:ffff:d738:42d7
215.56.66.216 0:0:0:0:0:ffff:d738:42d8
215.56.66.217 0:0:0:0:0:ffff:d738:42d9
215.56.66.218 0:0:0:0:0:ffff:d738:42da
215.56.66.219 0:0:0:0:0:ffff:d738:42db
215.56.66.220 0:0:0:0:0:ffff:d738:42dc
215.56.66.221 0:0:0:0:0:ffff:d738:42dd
215.56.66.222 0:0:0:0:0:ffff:d738:42de
215.56.66.223 0:0:0:0:0:ffff:d738:42df
215.56.66.224 0:0:0:0:0:ffff:d738:42e0
215.56.66.225 0:0:0:0:0:ffff:d738:42e1
215.56.66.226 0:0:0:0:0:ffff:d738:42e2
215.56.66.227 0:0:0:0:0:ffff:d738:42e3
215.56.66.228 0:0:0:0:0:ffff:d738:42e4
215.56.66.229 0:0:0:0:0:ffff:d738:42e5
215.56.66.230 0:0:0:0:0:ffff:d738:42e6
215.56.66.231 0:0:0:0:0:ffff:d738:42e7
215.56.66.232 0:0:0:0:0:ffff:d738:42e8
215.56.66.233 0:0:0:0:0:ffff:d738:42e9
215.56.66.234 0:0:0:0:0:ffff:d738:42ea
215.56.66.235 0:0:0:0:0:ffff:d738:42eb
215.56.66.236 0:0:0:0:0:ffff:d738:42ec
215.56.66.237 0:0:0:0:0:ffff:d738:42ed
215.56.66.238 0:0:0:0:0:ffff:d738:42ee
215.56.66.239 0:0:0:0:0:ffff:d738:42ef
215.56.66.240 0:0:0:0:0:ffff:d738:42f0
215.56.66.241 0:0:0:0:0:ffff:d738:42f1
215.56.66.242 0:0:0:0:0:ffff:d738:42f2
215.56.66.243 0:0:0:0:0:ffff:d738:42f3
215.56.66.244 0:0:0:0:0:ffff:d738:42f4
215.56.66.245 0:0:0:0:0:ffff:d738:42f5
215.56.66.246 0:0:0:0:0:ffff:d738:42f6
215.56.66.247 0:0:0:0:0:ffff:d738:42f7
215.56.66.248 0:0:0:0:0:ffff:d738:42f8
215.56.66.249 0:0:0:0:0:ffff:d738:42f9
215.56.66.250 0:0:0:0:0:ffff:d738:42fa
215.56.66.251 0:0:0:0:0:ffff:d738:42fb
215.56.66.252 0:0:0:0:0:ffff:d738:42fc
215.56.66.253 0:0:0:0:0:ffff:d738:42fd
215.56.66.254 0:0:0:0:0:ffff:d738:42fe
215.56.66.255 0:0:0:0:0:ffff:d738:42ff


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.