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
55.142.66.1 0:0:0:0:0:ffff:378e:4201
55.142.66.2 0:0:0:0:0:ffff:378e:4202
55.142.66.3 0:0:0:0:0:ffff:378e:4203
55.142.66.4 0:0:0:0:0:ffff:378e:4204
55.142.66.5 0:0:0:0:0:ffff:378e:4205
55.142.66.6 0:0:0:0:0:ffff:378e:4206
55.142.66.7 0:0:0:0:0:ffff:378e:4207
55.142.66.8 0:0:0:0:0:ffff:378e:4208
55.142.66.9 0:0:0:0:0:ffff:378e:4209
55.142.66.10 0:0:0:0:0:ffff:378e:420a
55.142.66.11 0:0:0:0:0:ffff:378e:420b
55.142.66.12 0:0:0:0:0:ffff:378e:420c
55.142.66.13 0:0:0:0:0:ffff:378e:420d
55.142.66.14 0:0:0:0:0:ffff:378e:420e
55.142.66.15 0:0:0:0:0:ffff:378e:420f
55.142.66.16 0:0:0:0:0:ffff:378e:4210
55.142.66.17 0:0:0:0:0:ffff:378e:4211
55.142.66.18 0:0:0:0:0:ffff:378e:4212
55.142.66.19 0:0:0:0:0:ffff:378e:4213
55.142.66.20 0:0:0:0:0:ffff:378e:4214
55.142.66.21 0:0:0:0:0:ffff:378e:4215
55.142.66.22 0:0:0:0:0:ffff:378e:4216
55.142.66.23 0:0:0:0:0:ffff:378e:4217
55.142.66.24 0:0:0:0:0:ffff:378e:4218
55.142.66.25 0:0:0:0:0:ffff:378e:4219
55.142.66.26 0:0:0:0:0:ffff:378e:421a
55.142.66.27 0:0:0:0:0:ffff:378e:421b
55.142.66.28 0:0:0:0:0:ffff:378e:421c
55.142.66.29 0:0:0:0:0:ffff:378e:421d
55.142.66.30 0:0:0:0:0:ffff:378e:421e
55.142.66.31 0:0:0:0:0:ffff:378e:421f
55.142.66.32 0:0:0:0:0:ffff:378e:4220
55.142.66.33 0:0:0:0:0:ffff:378e:4221
55.142.66.34 0:0:0:0:0:ffff:378e:4222
55.142.66.35 0:0:0:0:0:ffff:378e:4223
55.142.66.36 0:0:0:0:0:ffff:378e:4224
55.142.66.37 0:0:0:0:0:ffff:378e:4225
55.142.66.38 0:0:0:0:0:ffff:378e:4226
55.142.66.39 0:0:0:0:0:ffff:378e:4227
55.142.66.40 0:0:0:0:0:ffff:378e:4228
55.142.66.41 0:0:0:0:0:ffff:378e:4229
55.142.66.42 0:0:0:0:0:ffff:378e:422a
55.142.66.43 0:0:0:0:0:ffff:378e:422b
55.142.66.44 0:0:0:0:0:ffff:378e:422c
55.142.66.45 0:0:0:0:0:ffff:378e:422d
55.142.66.46 0:0:0:0:0:ffff:378e:422e
55.142.66.47 0:0:0:0:0:ffff:378e:422f
55.142.66.48 0:0:0:0:0:ffff:378e:4230
55.142.66.49 0:0:0:0:0:ffff:378e:4231
55.142.66.50 0:0:0:0:0:ffff:378e:4232
55.142.66.51 0:0:0:0:0:ffff:378e:4233
55.142.66.52 0:0:0:0:0:ffff:378e:4234
55.142.66.53 0:0:0:0:0:ffff:378e:4235
55.142.66.54 0:0:0:0:0:ffff:378e:4236
55.142.66.55 0:0:0:0:0:ffff:378e:4237
55.142.66.56 0:0:0:0:0:ffff:378e:4238
55.142.66.57 0:0:0:0:0:ffff:378e:4239
55.142.66.58 0:0:0:0:0:ffff:378e:423a
55.142.66.59 0:0:0:0:0:ffff:378e:423b
55.142.66.60 0:0:0:0:0:ffff:378e:423c


55.142.66.61 0:0:0:0:0:ffff:378e:423d
55.142.66.62 0:0:0:0:0:ffff:378e:423e
55.142.66.63 0:0:0:0:0:ffff:378e:423f
55.142.66.64 0:0:0:0:0:ffff:378e:4240
55.142.66.65 0:0:0:0:0:ffff:378e:4241
55.142.66.66 0:0:0:0:0:ffff:378e:4242
55.142.66.67 0:0:0:0:0:ffff:378e:4243
55.142.66.68 0:0:0:0:0:ffff:378e:4244
55.142.66.69 0:0:0:0:0:ffff:378e:4245
55.142.66.70 0:0:0:0:0:ffff:378e:4246
55.142.66.71 0:0:0:0:0:ffff:378e:4247
55.142.66.72 0:0:0:0:0:ffff:378e:4248
55.142.66.73 0:0:0:0:0:ffff:378e:4249
55.142.66.74 0:0:0:0:0:ffff:378e:424a
55.142.66.75 0:0:0:0:0:ffff:378e:424b
55.142.66.76 0:0:0:0:0:ffff:378e:424c
55.142.66.77 0:0:0:0:0:ffff:378e:424d
55.142.66.78 0:0:0:0:0:ffff:378e:424e
55.142.66.79 0:0:0:0:0:ffff:378e:424f
55.142.66.80 0:0:0:0:0:ffff:378e:4250
55.142.66.81 0:0:0:0:0:ffff:378e:4251
55.142.66.82 0:0:0:0:0:ffff:378e:4252
55.142.66.83 0:0:0:0:0:ffff:378e:4253
55.142.66.84 0:0:0:0:0:ffff:378e:4254
55.142.66.85 0:0:0:0:0:ffff:378e:4255
55.142.66.86 0:0:0:0:0:ffff:378e:4256
55.142.66.87 0:0:0:0:0:ffff:378e:4257
55.142.66.88 0:0:0:0:0:ffff:378e:4258
55.142.66.89 0:0:0:0:0:ffff:378e:4259
55.142.66.90 0:0:0:0:0:ffff:378e:425a
55.142.66.91 0:0:0:0:0:ffff:378e:425b
55.142.66.92 0:0:0:0:0:ffff:378e:425c
55.142.66.93 0:0:0:0:0:ffff:378e:425d
55.142.66.94 0:0:0:0:0:ffff:378e:425e
55.142.66.95 0:0:0:0:0:ffff:378e:425f
55.142.66.96 0:0:0:0:0:ffff:378e:4260
55.142.66.97 0:0:0:0:0:ffff:378e:4261
55.142.66.98 0:0:0:0:0:ffff:378e:4262
55.142.66.99 0:0:0:0:0:ffff:378e:4263
55.142.66.100 0:0:0:0:0:ffff:378e:4264
55.142.66.101 0:0:0:0:0:ffff:378e:4265
55.142.66.102 0:0:0:0:0:ffff:378e:4266
55.142.66.103 0:0:0:0:0:ffff:378e:4267
55.142.66.104 0:0:0:0:0:ffff:378e:4268
55.142.66.105 0:0:0:0:0:ffff:378e:4269
55.142.66.106 0:0:0:0:0:ffff:378e:426a
55.142.66.107 0:0:0:0:0:ffff:378e:426b
55.142.66.108 0:0:0:0:0:ffff:378e:426c
55.142.66.109 0:0:0:0:0:ffff:378e:426d
55.142.66.110 0:0:0:0:0:ffff:378e:426e
55.142.66.111 0:0:0:0:0:ffff:378e:426f
55.142.66.112 0:0:0:0:0:ffff:378e:4270
55.142.66.113 0:0:0:0:0:ffff:378e:4271
55.142.66.114 0:0:0:0:0:ffff:378e:4272
55.142.66.115 0:0:0:0:0:ffff:378e:4273
55.142.66.116 0:0:0:0:0:ffff:378e:4274
55.142.66.117 0:0:0:0:0:ffff:378e:4275
55.142.66.118 0:0:0:0:0:ffff:378e:4276
55.142.66.119 0:0:0:0:0:ffff:378e:4277
55.142.66.120 0:0:0:0:0:ffff:378e:4278


55.142.66.121 0:0:0:0:0:ffff:378e:4279
55.142.66.122 0:0:0:0:0:ffff:378e:427a
55.142.66.123 0:0:0:0:0:ffff:378e:427b
55.142.66.124 0:0:0:0:0:ffff:378e:427c
55.142.66.125 0:0:0:0:0:ffff:378e:427d
55.142.66.126 0:0:0:0:0:ffff:378e:427e
55.142.66.127 0:0:0:0:0:ffff:378e:427f
55.142.66.128 0:0:0:0:0:ffff:378e:4280
55.142.66.129 0:0:0:0:0:ffff:378e:4281
55.142.66.130 0:0:0:0:0:ffff:378e:4282
55.142.66.131 0:0:0:0:0:ffff:378e:4283
55.142.66.132 0:0:0:0:0:ffff:378e:4284
55.142.66.133 0:0:0:0:0:ffff:378e:4285
55.142.66.134 0:0:0:0:0:ffff:378e:4286
55.142.66.135 0:0:0:0:0:ffff:378e:4287
55.142.66.136 0:0:0:0:0:ffff:378e:4288
55.142.66.137 0:0:0:0:0:ffff:378e:4289
55.142.66.138 0:0:0:0:0:ffff:378e:428a
55.142.66.139 0:0:0:0:0:ffff:378e:428b
55.142.66.140 0:0:0:0:0:ffff:378e:428c
55.142.66.141 0:0:0:0:0:ffff:378e:428d
55.142.66.142 0:0:0:0:0:ffff:378e:428e
55.142.66.143 0:0:0:0:0:ffff:378e:428f
55.142.66.144 0:0:0:0:0:ffff:378e:4290
55.142.66.145 0:0:0:0:0:ffff:378e:4291
55.142.66.146 0:0:0:0:0:ffff:378e:4292
55.142.66.147 0:0:0:0:0:ffff:378e:4293
55.142.66.148 0:0:0:0:0:ffff:378e:4294
55.142.66.149 0:0:0:0:0:ffff:378e:4295
55.142.66.150 0:0:0:0:0:ffff:378e:4296
55.142.66.151 0:0:0:0:0:ffff:378e:4297
55.142.66.152 0:0:0:0:0:ffff:378e:4298
55.142.66.153 0:0:0:0:0:ffff:378e:4299
55.142.66.154 0:0:0:0:0:ffff:378e:429a
55.142.66.155 0:0:0:0:0:ffff:378e:429b
55.142.66.156 0:0:0:0:0:ffff:378e:429c
55.142.66.157 0:0:0:0:0:ffff:378e:429d
55.142.66.158 0:0:0:0:0:ffff:378e:429e
55.142.66.159 0:0:0:0:0:ffff:378e:429f
55.142.66.160 0:0:0:0:0:ffff:378e:42a0
55.142.66.161 0:0:0:0:0:ffff:378e:42a1
55.142.66.162 0:0:0:0:0:ffff:378e:42a2
55.142.66.163 0:0:0:0:0:ffff:378e:42a3
55.142.66.164 0:0:0:0:0:ffff:378e:42a4
55.142.66.165 0:0:0:0:0:ffff:378e:42a5
55.142.66.166 0:0:0:0:0:ffff:378e:42a6
55.142.66.167 0:0:0:0:0:ffff:378e:42a7
55.142.66.168 0:0:0:0:0:ffff:378e:42a8
55.142.66.169 0:0:0:0:0:ffff:378e:42a9
55.142.66.170 0:0:0:0:0:ffff:378e:42aa
55.142.66.171 0:0:0:0:0:ffff:378e:42ab
55.142.66.172 0:0:0:0:0:ffff:378e:42ac
55.142.66.173 0:0:0:0:0:ffff:378e:42ad
55.142.66.174 0:0:0:0:0:ffff:378e:42ae
55.142.66.175 0:0:0:0:0:ffff:378e:42af
55.142.66.176 0:0:0:0:0:ffff:378e:42b0
55.142.66.177 0:0:0:0:0:ffff:378e:42b1
55.142.66.178 0:0:0:0:0:ffff:378e:42b2
55.142.66.179 0:0:0:0:0:ffff:378e:42b3
55.142.66.180 0:0:0:0:0:ffff:378e:42b4


55.142.66.181 0:0:0:0:0:ffff:378e:42b5
55.142.66.182 0:0:0:0:0:ffff:378e:42b6
55.142.66.183 0:0:0:0:0:ffff:378e:42b7
55.142.66.184 0:0:0:0:0:ffff:378e:42b8
55.142.66.185 0:0:0:0:0:ffff:378e:42b9
55.142.66.186 0:0:0:0:0:ffff:378e:42ba
55.142.66.187 0:0:0:0:0:ffff:378e:42bb
55.142.66.188 0:0:0:0:0:ffff:378e:42bc
55.142.66.189 0:0:0:0:0:ffff:378e:42bd
55.142.66.190 0:0:0:0:0:ffff:378e:42be
55.142.66.191 0:0:0:0:0:ffff:378e:42bf
55.142.66.192 0:0:0:0:0:ffff:378e:42c0
55.142.66.193 0:0:0:0:0:ffff:378e:42c1
55.142.66.194 0:0:0:0:0:ffff:378e:42c2
55.142.66.195 0:0:0:0:0:ffff:378e:42c3
55.142.66.196 0:0:0:0:0:ffff:378e:42c4
55.142.66.197 0:0:0:0:0:ffff:378e:42c5
55.142.66.198 0:0:0:0:0:ffff:378e:42c6
55.142.66.199 0:0:0:0:0:ffff:378e:42c7
55.142.66.200 0:0:0:0:0:ffff:378e:42c8
55.142.66.201 0:0:0:0:0:ffff:378e:42c9
55.142.66.202 0:0:0:0:0:ffff:378e:42ca
55.142.66.203 0:0:0:0:0:ffff:378e:42cb
55.142.66.204 0:0:0:0:0:ffff:378e:42cc
55.142.66.205 0:0:0:0:0:ffff:378e:42cd
55.142.66.206 0:0:0:0:0:ffff:378e:42ce
55.142.66.207 0:0:0:0:0:ffff:378e:42cf
55.142.66.208 0:0:0:0:0:ffff:378e:42d0
55.142.66.209 0:0:0:0:0:ffff:378e:42d1
55.142.66.210 0:0:0:0:0:ffff:378e:42d2
55.142.66.211 0:0:0:0:0:ffff:378e:42d3
55.142.66.212 0:0:0:0:0:ffff:378e:42d4
55.142.66.213 0:0:0:0:0:ffff:378e:42d5
55.142.66.214 0:0:0:0:0:ffff:378e:42d6
55.142.66.215 0:0:0:0:0:ffff:378e:42d7
55.142.66.216 0:0:0:0:0:ffff:378e:42d8
55.142.66.217 0:0:0:0:0:ffff:378e:42d9
55.142.66.218 0:0:0:0:0:ffff:378e:42da
55.142.66.219 0:0:0:0:0:ffff:378e:42db
55.142.66.220 0:0:0:0:0:ffff:378e:42dc
55.142.66.221 0:0:0:0:0:ffff:378e:42dd
55.142.66.222 0:0:0:0:0:ffff:378e:42de
55.142.66.223 0:0:0:0:0:ffff:378e:42df
55.142.66.224 0:0:0:0:0:ffff:378e:42e0
55.142.66.225 0:0:0:0:0:ffff:378e:42e1
55.142.66.226 0:0:0:0:0:ffff:378e:42e2
55.142.66.227 0:0:0:0:0:ffff:378e:42e3
55.142.66.228 0:0:0:0:0:ffff:378e:42e4
55.142.66.229 0:0:0:0:0:ffff:378e:42e5
55.142.66.230 0:0:0:0:0:ffff:378e:42e6
55.142.66.231 0:0:0:0:0:ffff:378e:42e7
55.142.66.232 0:0:0:0:0:ffff:378e:42e8
55.142.66.233 0:0:0:0:0:ffff:378e:42e9
55.142.66.234 0:0:0:0:0:ffff:378e:42ea
55.142.66.235 0:0:0:0:0:ffff:378e:42eb
55.142.66.236 0:0:0:0:0:ffff:378e:42ec
55.142.66.237 0:0:0:0:0:ffff:378e:42ed
55.142.66.238 0:0:0:0:0:ffff:378e:42ee
55.142.66.239 0:0:0:0:0:ffff:378e:42ef
55.142.66.240 0:0:0:0:0:ffff:378e:42f0
55.142.66.241 0:0:0:0:0:ffff:378e:42f1
55.142.66.242 0:0:0:0:0:ffff:378e:42f2
55.142.66.243 0:0:0:0:0:ffff:378e:42f3
55.142.66.244 0:0:0:0:0:ffff:378e:42f4
55.142.66.245 0:0:0:0:0:ffff:378e:42f5
55.142.66.246 0:0:0:0:0:ffff:378e:42f6
55.142.66.247 0:0:0:0:0:ffff:378e:42f7
55.142.66.248 0:0:0:0:0:ffff:378e:42f8
55.142.66.249 0:0:0:0:0:ffff:378e:42f9
55.142.66.250 0:0:0:0:0:ffff:378e:42fa
55.142.66.251 0:0:0:0:0:ffff:378e:42fb
55.142.66.252 0:0:0:0:0:ffff:378e:42fc
55.142.66.253 0:0:0:0:0:ffff:378e:42fd
55.142.66.254 0:0:0:0:0:ffff:378e:42fe
55.142.66.255 0:0:0:0:0:ffff:378e: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.