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
61.111.66.1 0:0:0:0:0:ffff:3d6f:4201
61.111.66.2 0:0:0:0:0:ffff:3d6f:4202
61.111.66.3 0:0:0:0:0:ffff:3d6f:4203
61.111.66.4 0:0:0:0:0:ffff:3d6f:4204
61.111.66.5 0:0:0:0:0:ffff:3d6f:4205
61.111.66.6 0:0:0:0:0:ffff:3d6f:4206
61.111.66.7 0:0:0:0:0:ffff:3d6f:4207
61.111.66.8 0:0:0:0:0:ffff:3d6f:4208
61.111.66.9 0:0:0:0:0:ffff:3d6f:4209
61.111.66.10 0:0:0:0:0:ffff:3d6f:420a
61.111.66.11 0:0:0:0:0:ffff:3d6f:420b
61.111.66.12 0:0:0:0:0:ffff:3d6f:420c
61.111.66.13 0:0:0:0:0:ffff:3d6f:420d
61.111.66.14 0:0:0:0:0:ffff:3d6f:420e
61.111.66.15 0:0:0:0:0:ffff:3d6f:420f
61.111.66.16 0:0:0:0:0:ffff:3d6f:4210
61.111.66.17 0:0:0:0:0:ffff:3d6f:4211
61.111.66.18 0:0:0:0:0:ffff:3d6f:4212
61.111.66.19 0:0:0:0:0:ffff:3d6f:4213
61.111.66.20 0:0:0:0:0:ffff:3d6f:4214
61.111.66.21 0:0:0:0:0:ffff:3d6f:4215
61.111.66.22 0:0:0:0:0:ffff:3d6f:4216
61.111.66.23 0:0:0:0:0:ffff:3d6f:4217
61.111.66.24 0:0:0:0:0:ffff:3d6f:4218
61.111.66.25 0:0:0:0:0:ffff:3d6f:4219
61.111.66.26 0:0:0:0:0:ffff:3d6f:421a
61.111.66.27 0:0:0:0:0:ffff:3d6f:421b
61.111.66.28 0:0:0:0:0:ffff:3d6f:421c
61.111.66.29 0:0:0:0:0:ffff:3d6f:421d
61.111.66.30 0:0:0:0:0:ffff:3d6f:421e
61.111.66.31 0:0:0:0:0:ffff:3d6f:421f
61.111.66.32 0:0:0:0:0:ffff:3d6f:4220
61.111.66.33 0:0:0:0:0:ffff:3d6f:4221
61.111.66.34 0:0:0:0:0:ffff:3d6f:4222
61.111.66.35 0:0:0:0:0:ffff:3d6f:4223
61.111.66.36 0:0:0:0:0:ffff:3d6f:4224
61.111.66.37 0:0:0:0:0:ffff:3d6f:4225
61.111.66.38 0:0:0:0:0:ffff:3d6f:4226
61.111.66.39 0:0:0:0:0:ffff:3d6f:4227
61.111.66.40 0:0:0:0:0:ffff:3d6f:4228
61.111.66.41 0:0:0:0:0:ffff:3d6f:4229
61.111.66.42 0:0:0:0:0:ffff:3d6f:422a
61.111.66.43 0:0:0:0:0:ffff:3d6f:422b
61.111.66.44 0:0:0:0:0:ffff:3d6f:422c
61.111.66.45 0:0:0:0:0:ffff:3d6f:422d
61.111.66.46 0:0:0:0:0:ffff:3d6f:422e
61.111.66.47 0:0:0:0:0:ffff:3d6f:422f
61.111.66.48 0:0:0:0:0:ffff:3d6f:4230
61.111.66.49 0:0:0:0:0:ffff:3d6f:4231
61.111.66.50 0:0:0:0:0:ffff:3d6f:4232
61.111.66.51 0:0:0:0:0:ffff:3d6f:4233
61.111.66.52 0:0:0:0:0:ffff:3d6f:4234
61.111.66.53 0:0:0:0:0:ffff:3d6f:4235
61.111.66.54 0:0:0:0:0:ffff:3d6f:4236
61.111.66.55 0:0:0:0:0:ffff:3d6f:4237
61.111.66.56 0:0:0:0:0:ffff:3d6f:4238
61.111.66.57 0:0:0:0:0:ffff:3d6f:4239
61.111.66.58 0:0:0:0:0:ffff:3d6f:423a
61.111.66.59 0:0:0:0:0:ffff:3d6f:423b
61.111.66.60 0:0:0:0:0:ffff:3d6f:423c


61.111.66.61 0:0:0:0:0:ffff:3d6f:423d
61.111.66.62 0:0:0:0:0:ffff:3d6f:423e
61.111.66.63 0:0:0:0:0:ffff:3d6f:423f
61.111.66.64 0:0:0:0:0:ffff:3d6f:4240
61.111.66.65 0:0:0:0:0:ffff:3d6f:4241
61.111.66.66 0:0:0:0:0:ffff:3d6f:4242
61.111.66.67 0:0:0:0:0:ffff:3d6f:4243
61.111.66.68 0:0:0:0:0:ffff:3d6f:4244
61.111.66.69 0:0:0:0:0:ffff:3d6f:4245
61.111.66.70 0:0:0:0:0:ffff:3d6f:4246
61.111.66.71 0:0:0:0:0:ffff:3d6f:4247
61.111.66.72 0:0:0:0:0:ffff:3d6f:4248
61.111.66.73 0:0:0:0:0:ffff:3d6f:4249
61.111.66.74 0:0:0:0:0:ffff:3d6f:424a
61.111.66.75 0:0:0:0:0:ffff:3d6f:424b
61.111.66.76 0:0:0:0:0:ffff:3d6f:424c
61.111.66.77 0:0:0:0:0:ffff:3d6f:424d
61.111.66.78 0:0:0:0:0:ffff:3d6f:424e
61.111.66.79 0:0:0:0:0:ffff:3d6f:424f
61.111.66.80 0:0:0:0:0:ffff:3d6f:4250
61.111.66.81 0:0:0:0:0:ffff:3d6f:4251
61.111.66.82 0:0:0:0:0:ffff:3d6f:4252
61.111.66.83 0:0:0:0:0:ffff:3d6f:4253
61.111.66.84 0:0:0:0:0:ffff:3d6f:4254
61.111.66.85 0:0:0:0:0:ffff:3d6f:4255
61.111.66.86 0:0:0:0:0:ffff:3d6f:4256
61.111.66.87 0:0:0:0:0:ffff:3d6f:4257
61.111.66.88 0:0:0:0:0:ffff:3d6f:4258
61.111.66.89 0:0:0:0:0:ffff:3d6f:4259
61.111.66.90 0:0:0:0:0:ffff:3d6f:425a
61.111.66.91 0:0:0:0:0:ffff:3d6f:425b
61.111.66.92 0:0:0:0:0:ffff:3d6f:425c
61.111.66.93 0:0:0:0:0:ffff:3d6f:425d
61.111.66.94 0:0:0:0:0:ffff:3d6f:425e
61.111.66.95 0:0:0:0:0:ffff:3d6f:425f
61.111.66.96 0:0:0:0:0:ffff:3d6f:4260
61.111.66.97 0:0:0:0:0:ffff:3d6f:4261
61.111.66.98 0:0:0:0:0:ffff:3d6f:4262
61.111.66.99 0:0:0:0:0:ffff:3d6f:4263
61.111.66.100 0:0:0:0:0:ffff:3d6f:4264
61.111.66.101 0:0:0:0:0:ffff:3d6f:4265
61.111.66.102 0:0:0:0:0:ffff:3d6f:4266
61.111.66.103 0:0:0:0:0:ffff:3d6f:4267
61.111.66.104 0:0:0:0:0:ffff:3d6f:4268
61.111.66.105 0:0:0:0:0:ffff:3d6f:4269
61.111.66.106 0:0:0:0:0:ffff:3d6f:426a
61.111.66.107 0:0:0:0:0:ffff:3d6f:426b
61.111.66.108 0:0:0:0:0:ffff:3d6f:426c
61.111.66.109 0:0:0:0:0:ffff:3d6f:426d
61.111.66.110 0:0:0:0:0:ffff:3d6f:426e
61.111.66.111 0:0:0:0:0:ffff:3d6f:426f
61.111.66.112 0:0:0:0:0:ffff:3d6f:4270
61.111.66.113 0:0:0:0:0:ffff:3d6f:4271
61.111.66.114 0:0:0:0:0:ffff:3d6f:4272
61.111.66.115 0:0:0:0:0:ffff:3d6f:4273
61.111.66.116 0:0:0:0:0:ffff:3d6f:4274
61.111.66.117 0:0:0:0:0:ffff:3d6f:4275
61.111.66.118 0:0:0:0:0:ffff:3d6f:4276
61.111.66.119 0:0:0:0:0:ffff:3d6f:4277
61.111.66.120 0:0:0:0:0:ffff:3d6f:4278


61.111.66.121 0:0:0:0:0:ffff:3d6f:4279
61.111.66.122 0:0:0:0:0:ffff:3d6f:427a
61.111.66.123 0:0:0:0:0:ffff:3d6f:427b
61.111.66.124 0:0:0:0:0:ffff:3d6f:427c
61.111.66.125 0:0:0:0:0:ffff:3d6f:427d
61.111.66.126 0:0:0:0:0:ffff:3d6f:427e
61.111.66.127 0:0:0:0:0:ffff:3d6f:427f
61.111.66.128 0:0:0:0:0:ffff:3d6f:4280
61.111.66.129 0:0:0:0:0:ffff:3d6f:4281
61.111.66.130 0:0:0:0:0:ffff:3d6f:4282
61.111.66.131 0:0:0:0:0:ffff:3d6f:4283
61.111.66.132 0:0:0:0:0:ffff:3d6f:4284
61.111.66.133 0:0:0:0:0:ffff:3d6f:4285
61.111.66.134 0:0:0:0:0:ffff:3d6f:4286
61.111.66.135 0:0:0:0:0:ffff:3d6f:4287
61.111.66.136 0:0:0:0:0:ffff:3d6f:4288
61.111.66.137 0:0:0:0:0:ffff:3d6f:4289
61.111.66.138 0:0:0:0:0:ffff:3d6f:428a
61.111.66.139 0:0:0:0:0:ffff:3d6f:428b
61.111.66.140 0:0:0:0:0:ffff:3d6f:428c
61.111.66.141 0:0:0:0:0:ffff:3d6f:428d
61.111.66.142 0:0:0:0:0:ffff:3d6f:428e
61.111.66.143 0:0:0:0:0:ffff:3d6f:428f
61.111.66.144 0:0:0:0:0:ffff:3d6f:4290
61.111.66.145 0:0:0:0:0:ffff:3d6f:4291
61.111.66.146 0:0:0:0:0:ffff:3d6f:4292
61.111.66.147 0:0:0:0:0:ffff:3d6f:4293
61.111.66.148 0:0:0:0:0:ffff:3d6f:4294
61.111.66.149 0:0:0:0:0:ffff:3d6f:4295
61.111.66.150 0:0:0:0:0:ffff:3d6f:4296
61.111.66.151 0:0:0:0:0:ffff:3d6f:4297
61.111.66.152 0:0:0:0:0:ffff:3d6f:4298
61.111.66.153 0:0:0:0:0:ffff:3d6f:4299
61.111.66.154 0:0:0:0:0:ffff:3d6f:429a
61.111.66.155 0:0:0:0:0:ffff:3d6f:429b
61.111.66.156 0:0:0:0:0:ffff:3d6f:429c
61.111.66.157 0:0:0:0:0:ffff:3d6f:429d
61.111.66.158 0:0:0:0:0:ffff:3d6f:429e
61.111.66.159 0:0:0:0:0:ffff:3d6f:429f
61.111.66.160 0:0:0:0:0:ffff:3d6f:42a0
61.111.66.161 0:0:0:0:0:ffff:3d6f:42a1
61.111.66.162 0:0:0:0:0:ffff:3d6f:42a2
61.111.66.163 0:0:0:0:0:ffff:3d6f:42a3
61.111.66.164 0:0:0:0:0:ffff:3d6f:42a4
61.111.66.165 0:0:0:0:0:ffff:3d6f:42a5
61.111.66.166 0:0:0:0:0:ffff:3d6f:42a6
61.111.66.167 0:0:0:0:0:ffff:3d6f:42a7
61.111.66.168 0:0:0:0:0:ffff:3d6f:42a8
61.111.66.169 0:0:0:0:0:ffff:3d6f:42a9
61.111.66.170 0:0:0:0:0:ffff:3d6f:42aa
61.111.66.171 0:0:0:0:0:ffff:3d6f:42ab
61.111.66.172 0:0:0:0:0:ffff:3d6f:42ac
61.111.66.173 0:0:0:0:0:ffff:3d6f:42ad
61.111.66.174 0:0:0:0:0:ffff:3d6f:42ae
61.111.66.175 0:0:0:0:0:ffff:3d6f:42af
61.111.66.176 0:0:0:0:0:ffff:3d6f:42b0
61.111.66.177 0:0:0:0:0:ffff:3d6f:42b1
61.111.66.178 0:0:0:0:0:ffff:3d6f:42b2
61.111.66.179 0:0:0:0:0:ffff:3d6f:42b3
61.111.66.180 0:0:0:0:0:ffff:3d6f:42b4


61.111.66.181 0:0:0:0:0:ffff:3d6f:42b5
61.111.66.182 0:0:0:0:0:ffff:3d6f:42b6
61.111.66.183 0:0:0:0:0:ffff:3d6f:42b7
61.111.66.184 0:0:0:0:0:ffff:3d6f:42b8
61.111.66.185 0:0:0:0:0:ffff:3d6f:42b9
61.111.66.186 0:0:0:0:0:ffff:3d6f:42ba
61.111.66.187 0:0:0:0:0:ffff:3d6f:42bb
61.111.66.188 0:0:0:0:0:ffff:3d6f:42bc
61.111.66.189 0:0:0:0:0:ffff:3d6f:42bd
61.111.66.190 0:0:0:0:0:ffff:3d6f:42be
61.111.66.191 0:0:0:0:0:ffff:3d6f:42bf
61.111.66.192 0:0:0:0:0:ffff:3d6f:42c0
61.111.66.193 0:0:0:0:0:ffff:3d6f:42c1
61.111.66.194 0:0:0:0:0:ffff:3d6f:42c2
61.111.66.195 0:0:0:0:0:ffff:3d6f:42c3
61.111.66.196 0:0:0:0:0:ffff:3d6f:42c4
61.111.66.197 0:0:0:0:0:ffff:3d6f:42c5
61.111.66.198 0:0:0:0:0:ffff:3d6f:42c6
61.111.66.199 0:0:0:0:0:ffff:3d6f:42c7
61.111.66.200 0:0:0:0:0:ffff:3d6f:42c8
61.111.66.201 0:0:0:0:0:ffff:3d6f:42c9
61.111.66.202 0:0:0:0:0:ffff:3d6f:42ca
61.111.66.203 0:0:0:0:0:ffff:3d6f:42cb
61.111.66.204 0:0:0:0:0:ffff:3d6f:42cc
61.111.66.205 0:0:0:0:0:ffff:3d6f:42cd
61.111.66.206 0:0:0:0:0:ffff:3d6f:42ce
61.111.66.207 0:0:0:0:0:ffff:3d6f:42cf
61.111.66.208 0:0:0:0:0:ffff:3d6f:42d0
61.111.66.209 0:0:0:0:0:ffff:3d6f:42d1
61.111.66.210 0:0:0:0:0:ffff:3d6f:42d2
61.111.66.211 0:0:0:0:0:ffff:3d6f:42d3
61.111.66.212 0:0:0:0:0:ffff:3d6f:42d4
61.111.66.213 0:0:0:0:0:ffff:3d6f:42d5
61.111.66.214 0:0:0:0:0:ffff:3d6f:42d6
61.111.66.215 0:0:0:0:0:ffff:3d6f:42d7
61.111.66.216 0:0:0:0:0:ffff:3d6f:42d8
61.111.66.217 0:0:0:0:0:ffff:3d6f:42d9
61.111.66.218 0:0:0:0:0:ffff:3d6f:42da
61.111.66.219 0:0:0:0:0:ffff:3d6f:42db
61.111.66.220 0:0:0:0:0:ffff:3d6f:42dc
61.111.66.221 0:0:0:0:0:ffff:3d6f:42dd
61.111.66.222 0:0:0:0:0:ffff:3d6f:42de
61.111.66.223 0:0:0:0:0:ffff:3d6f:42df
61.111.66.224 0:0:0:0:0:ffff:3d6f:42e0
61.111.66.225 0:0:0:0:0:ffff:3d6f:42e1
61.111.66.226 0:0:0:0:0:ffff:3d6f:42e2
61.111.66.227 0:0:0:0:0:ffff:3d6f:42e3
61.111.66.228 0:0:0:0:0:ffff:3d6f:42e4
61.111.66.229 0:0:0:0:0:ffff:3d6f:42e5
61.111.66.230 0:0:0:0:0:ffff:3d6f:42e6
61.111.66.231 0:0:0:0:0:ffff:3d6f:42e7
61.111.66.232 0:0:0:0:0:ffff:3d6f:42e8
61.111.66.233 0:0:0:0:0:ffff:3d6f:42e9
61.111.66.234 0:0:0:0:0:ffff:3d6f:42ea
61.111.66.235 0:0:0:0:0:ffff:3d6f:42eb
61.111.66.236 0:0:0:0:0:ffff:3d6f:42ec
61.111.66.237 0:0:0:0:0:ffff:3d6f:42ed
61.111.66.238 0:0:0:0:0:ffff:3d6f:42ee
61.111.66.239 0:0:0:0:0:ffff:3d6f:42ef
61.111.66.240 0:0:0:0:0:ffff:3d6f:42f0
61.111.66.241 0:0:0:0:0:ffff:3d6f:42f1
61.111.66.242 0:0:0:0:0:ffff:3d6f:42f2
61.111.66.243 0:0:0:0:0:ffff:3d6f:42f3
61.111.66.244 0:0:0:0:0:ffff:3d6f:42f4
61.111.66.245 0:0:0:0:0:ffff:3d6f:42f5
61.111.66.246 0:0:0:0:0:ffff:3d6f:42f6
61.111.66.247 0:0:0:0:0:ffff:3d6f:42f7
61.111.66.248 0:0:0:0:0:ffff:3d6f:42f8
61.111.66.249 0:0:0:0:0:ffff:3d6f:42f9
61.111.66.250 0:0:0:0:0:ffff:3d6f:42fa
61.111.66.251 0:0:0:0:0:ffff:3d6f:42fb
61.111.66.252 0:0:0:0:0:ffff:3d6f:42fc
61.111.66.253 0:0:0:0:0:ffff:3d6f:42fd
61.111.66.254 0:0:0:0:0:ffff:3d6f:42fe
61.111.66.255 0:0:0:0:0:ffff:3d6f: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.