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
15.148.66.1 0:0:0:0:0:ffff:f94:4201
15.148.66.2 0:0:0:0:0:ffff:f94:4202
15.148.66.3 0:0:0:0:0:ffff:f94:4203
15.148.66.4 0:0:0:0:0:ffff:f94:4204
15.148.66.5 0:0:0:0:0:ffff:f94:4205
15.148.66.6 0:0:0:0:0:ffff:f94:4206
15.148.66.7 0:0:0:0:0:ffff:f94:4207
15.148.66.8 0:0:0:0:0:ffff:f94:4208
15.148.66.9 0:0:0:0:0:ffff:f94:4209
15.148.66.10 0:0:0:0:0:ffff:f94:420a
15.148.66.11 0:0:0:0:0:ffff:f94:420b
15.148.66.12 0:0:0:0:0:ffff:f94:420c
15.148.66.13 0:0:0:0:0:ffff:f94:420d
15.148.66.14 0:0:0:0:0:ffff:f94:420e
15.148.66.15 0:0:0:0:0:ffff:f94:420f
15.148.66.16 0:0:0:0:0:ffff:f94:4210
15.148.66.17 0:0:0:0:0:ffff:f94:4211
15.148.66.18 0:0:0:0:0:ffff:f94:4212
15.148.66.19 0:0:0:0:0:ffff:f94:4213
15.148.66.20 0:0:0:0:0:ffff:f94:4214
15.148.66.21 0:0:0:0:0:ffff:f94:4215
15.148.66.22 0:0:0:0:0:ffff:f94:4216
15.148.66.23 0:0:0:0:0:ffff:f94:4217
15.148.66.24 0:0:0:0:0:ffff:f94:4218
15.148.66.25 0:0:0:0:0:ffff:f94:4219
15.148.66.26 0:0:0:0:0:ffff:f94:421a
15.148.66.27 0:0:0:0:0:ffff:f94:421b
15.148.66.28 0:0:0:0:0:ffff:f94:421c
15.148.66.29 0:0:0:0:0:ffff:f94:421d
15.148.66.30 0:0:0:0:0:ffff:f94:421e
15.148.66.31 0:0:0:0:0:ffff:f94:421f
15.148.66.32 0:0:0:0:0:ffff:f94:4220
15.148.66.33 0:0:0:0:0:ffff:f94:4221
15.148.66.34 0:0:0:0:0:ffff:f94:4222
15.148.66.35 0:0:0:0:0:ffff:f94:4223
15.148.66.36 0:0:0:0:0:ffff:f94:4224
15.148.66.37 0:0:0:0:0:ffff:f94:4225
15.148.66.38 0:0:0:0:0:ffff:f94:4226
15.148.66.39 0:0:0:0:0:ffff:f94:4227
15.148.66.40 0:0:0:0:0:ffff:f94:4228
15.148.66.41 0:0:0:0:0:ffff:f94:4229
15.148.66.42 0:0:0:0:0:ffff:f94:422a
15.148.66.43 0:0:0:0:0:ffff:f94:422b
15.148.66.44 0:0:0:0:0:ffff:f94:422c
15.148.66.45 0:0:0:0:0:ffff:f94:422d
15.148.66.46 0:0:0:0:0:ffff:f94:422e
15.148.66.47 0:0:0:0:0:ffff:f94:422f
15.148.66.48 0:0:0:0:0:ffff:f94:4230
15.148.66.49 0:0:0:0:0:ffff:f94:4231
15.148.66.50 0:0:0:0:0:ffff:f94:4232
15.148.66.51 0:0:0:0:0:ffff:f94:4233
15.148.66.52 0:0:0:0:0:ffff:f94:4234
15.148.66.53 0:0:0:0:0:ffff:f94:4235
15.148.66.54 0:0:0:0:0:ffff:f94:4236
15.148.66.55 0:0:0:0:0:ffff:f94:4237
15.148.66.56 0:0:0:0:0:ffff:f94:4238
15.148.66.57 0:0:0:0:0:ffff:f94:4239
15.148.66.58 0:0:0:0:0:ffff:f94:423a
15.148.66.59 0:0:0:0:0:ffff:f94:423b
15.148.66.60 0:0:0:0:0:ffff:f94:423c


15.148.66.61 0:0:0:0:0:ffff:f94:423d
15.148.66.62 0:0:0:0:0:ffff:f94:423e
15.148.66.63 0:0:0:0:0:ffff:f94:423f
15.148.66.64 0:0:0:0:0:ffff:f94:4240
15.148.66.65 0:0:0:0:0:ffff:f94:4241
15.148.66.66 0:0:0:0:0:ffff:f94:4242
15.148.66.67 0:0:0:0:0:ffff:f94:4243
15.148.66.68 0:0:0:0:0:ffff:f94:4244
15.148.66.69 0:0:0:0:0:ffff:f94:4245
15.148.66.70 0:0:0:0:0:ffff:f94:4246
15.148.66.71 0:0:0:0:0:ffff:f94:4247
15.148.66.72 0:0:0:0:0:ffff:f94:4248
15.148.66.73 0:0:0:0:0:ffff:f94:4249
15.148.66.74 0:0:0:0:0:ffff:f94:424a
15.148.66.75 0:0:0:0:0:ffff:f94:424b
15.148.66.76 0:0:0:0:0:ffff:f94:424c
15.148.66.77 0:0:0:0:0:ffff:f94:424d
15.148.66.78 0:0:0:0:0:ffff:f94:424e
15.148.66.79 0:0:0:0:0:ffff:f94:424f
15.148.66.80 0:0:0:0:0:ffff:f94:4250
15.148.66.81 0:0:0:0:0:ffff:f94:4251
15.148.66.82 0:0:0:0:0:ffff:f94:4252
15.148.66.83 0:0:0:0:0:ffff:f94:4253
15.148.66.84 0:0:0:0:0:ffff:f94:4254
15.148.66.85 0:0:0:0:0:ffff:f94:4255
15.148.66.86 0:0:0:0:0:ffff:f94:4256
15.148.66.87 0:0:0:0:0:ffff:f94:4257
15.148.66.88 0:0:0:0:0:ffff:f94:4258
15.148.66.89 0:0:0:0:0:ffff:f94:4259
15.148.66.90 0:0:0:0:0:ffff:f94:425a
15.148.66.91 0:0:0:0:0:ffff:f94:425b
15.148.66.92 0:0:0:0:0:ffff:f94:425c
15.148.66.93 0:0:0:0:0:ffff:f94:425d
15.148.66.94 0:0:0:0:0:ffff:f94:425e
15.148.66.95 0:0:0:0:0:ffff:f94:425f
15.148.66.96 0:0:0:0:0:ffff:f94:4260
15.148.66.97 0:0:0:0:0:ffff:f94:4261
15.148.66.98 0:0:0:0:0:ffff:f94:4262
15.148.66.99 0:0:0:0:0:ffff:f94:4263
15.148.66.100 0:0:0:0:0:ffff:f94:4264
15.148.66.101 0:0:0:0:0:ffff:f94:4265
15.148.66.102 0:0:0:0:0:ffff:f94:4266
15.148.66.103 0:0:0:0:0:ffff:f94:4267
15.148.66.104 0:0:0:0:0:ffff:f94:4268
15.148.66.105 0:0:0:0:0:ffff:f94:4269
15.148.66.106 0:0:0:0:0:ffff:f94:426a
15.148.66.107 0:0:0:0:0:ffff:f94:426b
15.148.66.108 0:0:0:0:0:ffff:f94:426c
15.148.66.109 0:0:0:0:0:ffff:f94:426d
15.148.66.110 0:0:0:0:0:ffff:f94:426e
15.148.66.111 0:0:0:0:0:ffff:f94:426f
15.148.66.112 0:0:0:0:0:ffff:f94:4270
15.148.66.113 0:0:0:0:0:ffff:f94:4271
15.148.66.114 0:0:0:0:0:ffff:f94:4272
15.148.66.115 0:0:0:0:0:ffff:f94:4273
15.148.66.116 0:0:0:0:0:ffff:f94:4274
15.148.66.117 0:0:0:0:0:ffff:f94:4275
15.148.66.118 0:0:0:0:0:ffff:f94:4276
15.148.66.119 0:0:0:0:0:ffff:f94:4277
15.148.66.120 0:0:0:0:0:ffff:f94:4278


15.148.66.121 0:0:0:0:0:ffff:f94:4279
15.148.66.122 0:0:0:0:0:ffff:f94:427a
15.148.66.123 0:0:0:0:0:ffff:f94:427b
15.148.66.124 0:0:0:0:0:ffff:f94:427c
15.148.66.125 0:0:0:0:0:ffff:f94:427d
15.148.66.126 0:0:0:0:0:ffff:f94:427e
15.148.66.127 0:0:0:0:0:ffff:f94:427f
15.148.66.128 0:0:0:0:0:ffff:f94:4280
15.148.66.129 0:0:0:0:0:ffff:f94:4281
15.148.66.130 0:0:0:0:0:ffff:f94:4282
15.148.66.131 0:0:0:0:0:ffff:f94:4283
15.148.66.132 0:0:0:0:0:ffff:f94:4284
15.148.66.133 0:0:0:0:0:ffff:f94:4285
15.148.66.134 0:0:0:0:0:ffff:f94:4286
15.148.66.135 0:0:0:0:0:ffff:f94:4287
15.148.66.136 0:0:0:0:0:ffff:f94:4288
15.148.66.137 0:0:0:0:0:ffff:f94:4289
15.148.66.138 0:0:0:0:0:ffff:f94:428a
15.148.66.139 0:0:0:0:0:ffff:f94:428b
15.148.66.140 0:0:0:0:0:ffff:f94:428c
15.148.66.141 0:0:0:0:0:ffff:f94:428d
15.148.66.142 0:0:0:0:0:ffff:f94:428e
15.148.66.143 0:0:0:0:0:ffff:f94:428f
15.148.66.144 0:0:0:0:0:ffff:f94:4290
15.148.66.145 0:0:0:0:0:ffff:f94:4291
15.148.66.146 0:0:0:0:0:ffff:f94:4292
15.148.66.147 0:0:0:0:0:ffff:f94:4293
15.148.66.148 0:0:0:0:0:ffff:f94:4294
15.148.66.149 0:0:0:0:0:ffff:f94:4295
15.148.66.150 0:0:0:0:0:ffff:f94:4296
15.148.66.151 0:0:0:0:0:ffff:f94:4297
15.148.66.152 0:0:0:0:0:ffff:f94:4298
15.148.66.153 0:0:0:0:0:ffff:f94:4299
15.148.66.154 0:0:0:0:0:ffff:f94:429a
15.148.66.155 0:0:0:0:0:ffff:f94:429b
15.148.66.156 0:0:0:0:0:ffff:f94:429c
15.148.66.157 0:0:0:0:0:ffff:f94:429d
15.148.66.158 0:0:0:0:0:ffff:f94:429e
15.148.66.159 0:0:0:0:0:ffff:f94:429f
15.148.66.160 0:0:0:0:0:ffff:f94:42a0
15.148.66.161 0:0:0:0:0:ffff:f94:42a1
15.148.66.162 0:0:0:0:0:ffff:f94:42a2
15.148.66.163 0:0:0:0:0:ffff:f94:42a3
15.148.66.164 0:0:0:0:0:ffff:f94:42a4
15.148.66.165 0:0:0:0:0:ffff:f94:42a5
15.148.66.166 0:0:0:0:0:ffff:f94:42a6
15.148.66.167 0:0:0:0:0:ffff:f94:42a7
15.148.66.168 0:0:0:0:0:ffff:f94:42a8
15.148.66.169 0:0:0:0:0:ffff:f94:42a9
15.148.66.170 0:0:0:0:0:ffff:f94:42aa
15.148.66.171 0:0:0:0:0:ffff:f94:42ab
15.148.66.172 0:0:0:0:0:ffff:f94:42ac
15.148.66.173 0:0:0:0:0:ffff:f94:42ad
15.148.66.174 0:0:0:0:0:ffff:f94:42ae
15.148.66.175 0:0:0:0:0:ffff:f94:42af
15.148.66.176 0:0:0:0:0:ffff:f94:42b0
15.148.66.177 0:0:0:0:0:ffff:f94:42b1
15.148.66.178 0:0:0:0:0:ffff:f94:42b2
15.148.66.179 0:0:0:0:0:ffff:f94:42b3
15.148.66.180 0:0:0:0:0:ffff:f94:42b4


15.148.66.181 0:0:0:0:0:ffff:f94:42b5
15.148.66.182 0:0:0:0:0:ffff:f94:42b6
15.148.66.183 0:0:0:0:0:ffff:f94:42b7
15.148.66.184 0:0:0:0:0:ffff:f94:42b8
15.148.66.185 0:0:0:0:0:ffff:f94:42b9
15.148.66.186 0:0:0:0:0:ffff:f94:42ba
15.148.66.187 0:0:0:0:0:ffff:f94:42bb
15.148.66.188 0:0:0:0:0:ffff:f94:42bc
15.148.66.189 0:0:0:0:0:ffff:f94:42bd
15.148.66.190 0:0:0:0:0:ffff:f94:42be
15.148.66.191 0:0:0:0:0:ffff:f94:42bf
15.148.66.192 0:0:0:0:0:ffff:f94:42c0
15.148.66.193 0:0:0:0:0:ffff:f94:42c1
15.148.66.194 0:0:0:0:0:ffff:f94:42c2
15.148.66.195 0:0:0:0:0:ffff:f94:42c3
15.148.66.196 0:0:0:0:0:ffff:f94:42c4
15.148.66.197 0:0:0:0:0:ffff:f94:42c5
15.148.66.198 0:0:0:0:0:ffff:f94:42c6
15.148.66.199 0:0:0:0:0:ffff:f94:42c7
15.148.66.200 0:0:0:0:0:ffff:f94:42c8
15.148.66.201 0:0:0:0:0:ffff:f94:42c9
15.148.66.202 0:0:0:0:0:ffff:f94:42ca
15.148.66.203 0:0:0:0:0:ffff:f94:42cb
15.148.66.204 0:0:0:0:0:ffff:f94:42cc
15.148.66.205 0:0:0:0:0:ffff:f94:42cd
15.148.66.206 0:0:0:0:0:ffff:f94:42ce
15.148.66.207 0:0:0:0:0:ffff:f94:42cf
15.148.66.208 0:0:0:0:0:ffff:f94:42d0
15.148.66.209 0:0:0:0:0:ffff:f94:42d1
15.148.66.210 0:0:0:0:0:ffff:f94:42d2
15.148.66.211 0:0:0:0:0:ffff:f94:42d3
15.148.66.212 0:0:0:0:0:ffff:f94:42d4
15.148.66.213 0:0:0:0:0:ffff:f94:42d5
15.148.66.214 0:0:0:0:0:ffff:f94:42d6
15.148.66.215 0:0:0:0:0:ffff:f94:42d7
15.148.66.216 0:0:0:0:0:ffff:f94:42d8
15.148.66.217 0:0:0:0:0:ffff:f94:42d9
15.148.66.218 0:0:0:0:0:ffff:f94:42da
15.148.66.219 0:0:0:0:0:ffff:f94:42db
15.148.66.220 0:0:0:0:0:ffff:f94:42dc
15.148.66.221 0:0:0:0:0:ffff:f94:42dd
15.148.66.222 0:0:0:0:0:ffff:f94:42de
15.148.66.223 0:0:0:0:0:ffff:f94:42df
15.148.66.224 0:0:0:0:0:ffff:f94:42e0
15.148.66.225 0:0:0:0:0:ffff:f94:42e1
15.148.66.226 0:0:0:0:0:ffff:f94:42e2
15.148.66.227 0:0:0:0:0:ffff:f94:42e3
15.148.66.228 0:0:0:0:0:ffff:f94:42e4
15.148.66.229 0:0:0:0:0:ffff:f94:42e5
15.148.66.230 0:0:0:0:0:ffff:f94:42e6
15.148.66.231 0:0:0:0:0:ffff:f94:42e7
15.148.66.232 0:0:0:0:0:ffff:f94:42e8
15.148.66.233 0:0:0:0:0:ffff:f94:42e9
15.148.66.234 0:0:0:0:0:ffff:f94:42ea
15.148.66.235 0:0:0:0:0:ffff:f94:42eb
15.148.66.236 0:0:0:0:0:ffff:f94:42ec
15.148.66.237 0:0:0:0:0:ffff:f94:42ed
15.148.66.238 0:0:0:0:0:ffff:f94:42ee
15.148.66.239 0:0:0:0:0:ffff:f94:42ef
15.148.66.240 0:0:0:0:0:ffff:f94:42f0
15.148.66.241 0:0:0:0:0:ffff:f94:42f1
15.148.66.242 0:0:0:0:0:ffff:f94:42f2
15.148.66.243 0:0:0:0:0:ffff:f94:42f3
15.148.66.244 0:0:0:0:0:ffff:f94:42f4
15.148.66.245 0:0:0:0:0:ffff:f94:42f5
15.148.66.246 0:0:0:0:0:ffff:f94:42f6
15.148.66.247 0:0:0:0:0:ffff:f94:42f7
15.148.66.248 0:0:0:0:0:ffff:f94:42f8
15.148.66.249 0:0:0:0:0:ffff:f94:42f9
15.148.66.250 0:0:0:0:0:ffff:f94:42fa
15.148.66.251 0:0:0:0:0:ffff:f94:42fb
15.148.66.252 0:0:0:0:0:ffff:f94:42fc
15.148.66.253 0:0:0:0:0:ffff:f94:42fd
15.148.66.254 0:0:0:0:0:ffff:f94:42fe
15.148.66.255 0:0:0:0:0:ffff:f94:42ff


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.