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
40.168.65.1 0:0:0:0:0:ffff:28a8:4101
40.168.65.2 0:0:0:0:0:ffff:28a8:4102
40.168.65.3 0:0:0:0:0:ffff:28a8:4103
40.168.65.4 0:0:0:0:0:ffff:28a8:4104
40.168.65.5 0:0:0:0:0:ffff:28a8:4105
40.168.65.6 0:0:0:0:0:ffff:28a8:4106
40.168.65.7 0:0:0:0:0:ffff:28a8:4107
40.168.65.8 0:0:0:0:0:ffff:28a8:4108
40.168.65.9 0:0:0:0:0:ffff:28a8:4109
40.168.65.10 0:0:0:0:0:ffff:28a8:410a
40.168.65.11 0:0:0:0:0:ffff:28a8:410b
40.168.65.12 0:0:0:0:0:ffff:28a8:410c
40.168.65.13 0:0:0:0:0:ffff:28a8:410d
40.168.65.14 0:0:0:0:0:ffff:28a8:410e
40.168.65.15 0:0:0:0:0:ffff:28a8:410f
40.168.65.16 0:0:0:0:0:ffff:28a8:4110
40.168.65.17 0:0:0:0:0:ffff:28a8:4111
40.168.65.18 0:0:0:0:0:ffff:28a8:4112
40.168.65.19 0:0:0:0:0:ffff:28a8:4113
40.168.65.20 0:0:0:0:0:ffff:28a8:4114
40.168.65.21 0:0:0:0:0:ffff:28a8:4115
40.168.65.22 0:0:0:0:0:ffff:28a8:4116
40.168.65.23 0:0:0:0:0:ffff:28a8:4117
40.168.65.24 0:0:0:0:0:ffff:28a8:4118
40.168.65.25 0:0:0:0:0:ffff:28a8:4119
40.168.65.26 0:0:0:0:0:ffff:28a8:411a
40.168.65.27 0:0:0:0:0:ffff:28a8:411b
40.168.65.28 0:0:0:0:0:ffff:28a8:411c
40.168.65.29 0:0:0:0:0:ffff:28a8:411d
40.168.65.30 0:0:0:0:0:ffff:28a8:411e
40.168.65.31 0:0:0:0:0:ffff:28a8:411f
40.168.65.32 0:0:0:0:0:ffff:28a8:4120
40.168.65.33 0:0:0:0:0:ffff:28a8:4121
40.168.65.34 0:0:0:0:0:ffff:28a8:4122
40.168.65.35 0:0:0:0:0:ffff:28a8:4123
40.168.65.36 0:0:0:0:0:ffff:28a8:4124
40.168.65.37 0:0:0:0:0:ffff:28a8:4125
40.168.65.38 0:0:0:0:0:ffff:28a8:4126
40.168.65.39 0:0:0:0:0:ffff:28a8:4127
40.168.65.40 0:0:0:0:0:ffff:28a8:4128
40.168.65.41 0:0:0:0:0:ffff:28a8:4129
40.168.65.42 0:0:0:0:0:ffff:28a8:412a
40.168.65.43 0:0:0:0:0:ffff:28a8:412b
40.168.65.44 0:0:0:0:0:ffff:28a8:412c
40.168.65.45 0:0:0:0:0:ffff:28a8:412d
40.168.65.46 0:0:0:0:0:ffff:28a8:412e
40.168.65.47 0:0:0:0:0:ffff:28a8:412f
40.168.65.48 0:0:0:0:0:ffff:28a8:4130
40.168.65.49 0:0:0:0:0:ffff:28a8:4131
40.168.65.50 0:0:0:0:0:ffff:28a8:4132
40.168.65.51 0:0:0:0:0:ffff:28a8:4133
40.168.65.52 0:0:0:0:0:ffff:28a8:4134
40.168.65.53 0:0:0:0:0:ffff:28a8:4135
40.168.65.54 0:0:0:0:0:ffff:28a8:4136
40.168.65.55 0:0:0:0:0:ffff:28a8:4137
40.168.65.56 0:0:0:0:0:ffff:28a8:4138
40.168.65.57 0:0:0:0:0:ffff:28a8:4139
40.168.65.58 0:0:0:0:0:ffff:28a8:413a
40.168.65.59 0:0:0:0:0:ffff:28a8:413b
40.168.65.60 0:0:0:0:0:ffff:28a8:413c


40.168.65.61 0:0:0:0:0:ffff:28a8:413d
40.168.65.62 0:0:0:0:0:ffff:28a8:413e
40.168.65.63 0:0:0:0:0:ffff:28a8:413f
40.168.65.64 0:0:0:0:0:ffff:28a8:4140
40.168.65.65 0:0:0:0:0:ffff:28a8:4141
40.168.65.66 0:0:0:0:0:ffff:28a8:4142
40.168.65.67 0:0:0:0:0:ffff:28a8:4143
40.168.65.68 0:0:0:0:0:ffff:28a8:4144
40.168.65.69 0:0:0:0:0:ffff:28a8:4145
40.168.65.70 0:0:0:0:0:ffff:28a8:4146
40.168.65.71 0:0:0:0:0:ffff:28a8:4147
40.168.65.72 0:0:0:0:0:ffff:28a8:4148
40.168.65.73 0:0:0:0:0:ffff:28a8:4149
40.168.65.74 0:0:0:0:0:ffff:28a8:414a
40.168.65.75 0:0:0:0:0:ffff:28a8:414b
40.168.65.76 0:0:0:0:0:ffff:28a8:414c
40.168.65.77 0:0:0:0:0:ffff:28a8:414d
40.168.65.78 0:0:0:0:0:ffff:28a8:414e
40.168.65.79 0:0:0:0:0:ffff:28a8:414f
40.168.65.80 0:0:0:0:0:ffff:28a8:4150
40.168.65.81 0:0:0:0:0:ffff:28a8:4151
40.168.65.82 0:0:0:0:0:ffff:28a8:4152
40.168.65.83 0:0:0:0:0:ffff:28a8:4153
40.168.65.84 0:0:0:0:0:ffff:28a8:4154
40.168.65.85 0:0:0:0:0:ffff:28a8:4155
40.168.65.86 0:0:0:0:0:ffff:28a8:4156
40.168.65.87 0:0:0:0:0:ffff:28a8:4157
40.168.65.88 0:0:0:0:0:ffff:28a8:4158
40.168.65.89 0:0:0:0:0:ffff:28a8:4159
40.168.65.90 0:0:0:0:0:ffff:28a8:415a
40.168.65.91 0:0:0:0:0:ffff:28a8:415b
40.168.65.92 0:0:0:0:0:ffff:28a8:415c
40.168.65.93 0:0:0:0:0:ffff:28a8:415d
40.168.65.94 0:0:0:0:0:ffff:28a8:415e
40.168.65.95 0:0:0:0:0:ffff:28a8:415f
40.168.65.96 0:0:0:0:0:ffff:28a8:4160
40.168.65.97 0:0:0:0:0:ffff:28a8:4161
40.168.65.98 0:0:0:0:0:ffff:28a8:4162
40.168.65.99 0:0:0:0:0:ffff:28a8:4163
40.168.65.100 0:0:0:0:0:ffff:28a8:4164
40.168.65.101 0:0:0:0:0:ffff:28a8:4165
40.168.65.102 0:0:0:0:0:ffff:28a8:4166
40.168.65.103 0:0:0:0:0:ffff:28a8:4167
40.168.65.104 0:0:0:0:0:ffff:28a8:4168
40.168.65.105 0:0:0:0:0:ffff:28a8:4169
40.168.65.106 0:0:0:0:0:ffff:28a8:416a
40.168.65.107 0:0:0:0:0:ffff:28a8:416b
40.168.65.108 0:0:0:0:0:ffff:28a8:416c
40.168.65.109 0:0:0:0:0:ffff:28a8:416d
40.168.65.110 0:0:0:0:0:ffff:28a8:416e
40.168.65.111 0:0:0:0:0:ffff:28a8:416f
40.168.65.112 0:0:0:0:0:ffff:28a8:4170
40.168.65.113 0:0:0:0:0:ffff:28a8:4171
40.168.65.114 0:0:0:0:0:ffff:28a8:4172
40.168.65.115 0:0:0:0:0:ffff:28a8:4173
40.168.65.116 0:0:0:0:0:ffff:28a8:4174
40.168.65.117 0:0:0:0:0:ffff:28a8:4175
40.168.65.118 0:0:0:0:0:ffff:28a8:4176
40.168.65.119 0:0:0:0:0:ffff:28a8:4177
40.168.65.120 0:0:0:0:0:ffff:28a8:4178


40.168.65.121 0:0:0:0:0:ffff:28a8:4179
40.168.65.122 0:0:0:0:0:ffff:28a8:417a
40.168.65.123 0:0:0:0:0:ffff:28a8:417b
40.168.65.124 0:0:0:0:0:ffff:28a8:417c
40.168.65.125 0:0:0:0:0:ffff:28a8:417d
40.168.65.126 0:0:0:0:0:ffff:28a8:417e
40.168.65.127 0:0:0:0:0:ffff:28a8:417f
40.168.65.128 0:0:0:0:0:ffff:28a8:4180
40.168.65.129 0:0:0:0:0:ffff:28a8:4181
40.168.65.130 0:0:0:0:0:ffff:28a8:4182
40.168.65.131 0:0:0:0:0:ffff:28a8:4183
40.168.65.132 0:0:0:0:0:ffff:28a8:4184
40.168.65.133 0:0:0:0:0:ffff:28a8:4185
40.168.65.134 0:0:0:0:0:ffff:28a8:4186
40.168.65.135 0:0:0:0:0:ffff:28a8:4187
40.168.65.136 0:0:0:0:0:ffff:28a8:4188
40.168.65.137 0:0:0:0:0:ffff:28a8:4189
40.168.65.138 0:0:0:0:0:ffff:28a8:418a
40.168.65.139 0:0:0:0:0:ffff:28a8:418b
40.168.65.140 0:0:0:0:0:ffff:28a8:418c
40.168.65.141 0:0:0:0:0:ffff:28a8:418d
40.168.65.142 0:0:0:0:0:ffff:28a8:418e
40.168.65.143 0:0:0:0:0:ffff:28a8:418f
40.168.65.144 0:0:0:0:0:ffff:28a8:4190
40.168.65.145 0:0:0:0:0:ffff:28a8:4191
40.168.65.146 0:0:0:0:0:ffff:28a8:4192
40.168.65.147 0:0:0:0:0:ffff:28a8:4193
40.168.65.148 0:0:0:0:0:ffff:28a8:4194
40.168.65.149 0:0:0:0:0:ffff:28a8:4195
40.168.65.150 0:0:0:0:0:ffff:28a8:4196
40.168.65.151 0:0:0:0:0:ffff:28a8:4197
40.168.65.152 0:0:0:0:0:ffff:28a8:4198
40.168.65.153 0:0:0:0:0:ffff:28a8:4199
40.168.65.154 0:0:0:0:0:ffff:28a8:419a
40.168.65.155 0:0:0:0:0:ffff:28a8:419b
40.168.65.156 0:0:0:0:0:ffff:28a8:419c
40.168.65.157 0:0:0:0:0:ffff:28a8:419d
40.168.65.158 0:0:0:0:0:ffff:28a8:419e
40.168.65.159 0:0:0:0:0:ffff:28a8:419f
40.168.65.160 0:0:0:0:0:ffff:28a8:41a0
40.168.65.161 0:0:0:0:0:ffff:28a8:41a1
40.168.65.162 0:0:0:0:0:ffff:28a8:41a2
40.168.65.163 0:0:0:0:0:ffff:28a8:41a3
40.168.65.164 0:0:0:0:0:ffff:28a8:41a4
40.168.65.165 0:0:0:0:0:ffff:28a8:41a5
40.168.65.166 0:0:0:0:0:ffff:28a8:41a6
40.168.65.167 0:0:0:0:0:ffff:28a8:41a7
40.168.65.168 0:0:0:0:0:ffff:28a8:41a8
40.168.65.169 0:0:0:0:0:ffff:28a8:41a9
40.168.65.170 0:0:0:0:0:ffff:28a8:41aa
40.168.65.171 0:0:0:0:0:ffff:28a8:41ab
40.168.65.172 0:0:0:0:0:ffff:28a8:41ac
40.168.65.173 0:0:0:0:0:ffff:28a8:41ad
40.168.65.174 0:0:0:0:0:ffff:28a8:41ae
40.168.65.175 0:0:0:0:0:ffff:28a8:41af
40.168.65.176 0:0:0:0:0:ffff:28a8:41b0
40.168.65.177 0:0:0:0:0:ffff:28a8:41b1
40.168.65.178 0:0:0:0:0:ffff:28a8:41b2
40.168.65.179 0:0:0:0:0:ffff:28a8:41b3
40.168.65.180 0:0:0:0:0:ffff:28a8:41b4


40.168.65.181 0:0:0:0:0:ffff:28a8:41b5
40.168.65.182 0:0:0:0:0:ffff:28a8:41b6
40.168.65.183 0:0:0:0:0:ffff:28a8:41b7
40.168.65.184 0:0:0:0:0:ffff:28a8:41b8
40.168.65.185 0:0:0:0:0:ffff:28a8:41b9
40.168.65.186 0:0:0:0:0:ffff:28a8:41ba
40.168.65.187 0:0:0:0:0:ffff:28a8:41bb
40.168.65.188 0:0:0:0:0:ffff:28a8:41bc
40.168.65.189 0:0:0:0:0:ffff:28a8:41bd
40.168.65.190 0:0:0:0:0:ffff:28a8:41be
40.168.65.191 0:0:0:0:0:ffff:28a8:41bf
40.168.65.192 0:0:0:0:0:ffff:28a8:41c0
40.168.65.193 0:0:0:0:0:ffff:28a8:41c1
40.168.65.194 0:0:0:0:0:ffff:28a8:41c2
40.168.65.195 0:0:0:0:0:ffff:28a8:41c3
40.168.65.196 0:0:0:0:0:ffff:28a8:41c4
40.168.65.197 0:0:0:0:0:ffff:28a8:41c5
40.168.65.198 0:0:0:0:0:ffff:28a8:41c6
40.168.65.199 0:0:0:0:0:ffff:28a8:41c7
40.168.65.200 0:0:0:0:0:ffff:28a8:41c8
40.168.65.201 0:0:0:0:0:ffff:28a8:41c9
40.168.65.202 0:0:0:0:0:ffff:28a8:41ca
40.168.65.203 0:0:0:0:0:ffff:28a8:41cb
40.168.65.204 0:0:0:0:0:ffff:28a8:41cc
40.168.65.205 0:0:0:0:0:ffff:28a8:41cd
40.168.65.206 0:0:0:0:0:ffff:28a8:41ce
40.168.65.207 0:0:0:0:0:ffff:28a8:41cf
40.168.65.208 0:0:0:0:0:ffff:28a8:41d0
40.168.65.209 0:0:0:0:0:ffff:28a8:41d1
40.168.65.210 0:0:0:0:0:ffff:28a8:41d2
40.168.65.211 0:0:0:0:0:ffff:28a8:41d3
40.168.65.212 0:0:0:0:0:ffff:28a8:41d4
40.168.65.213 0:0:0:0:0:ffff:28a8:41d5
40.168.65.214 0:0:0:0:0:ffff:28a8:41d6
40.168.65.215 0:0:0:0:0:ffff:28a8:41d7
40.168.65.216 0:0:0:0:0:ffff:28a8:41d8
40.168.65.217 0:0:0:0:0:ffff:28a8:41d9
40.168.65.218 0:0:0:0:0:ffff:28a8:41da
40.168.65.219 0:0:0:0:0:ffff:28a8:41db
40.168.65.220 0:0:0:0:0:ffff:28a8:41dc
40.168.65.221 0:0:0:0:0:ffff:28a8:41dd
40.168.65.222 0:0:0:0:0:ffff:28a8:41de
40.168.65.223 0:0:0:0:0:ffff:28a8:41df
40.168.65.224 0:0:0:0:0:ffff:28a8:41e0
40.168.65.225 0:0:0:0:0:ffff:28a8:41e1
40.168.65.226 0:0:0:0:0:ffff:28a8:41e2
40.168.65.227 0:0:0:0:0:ffff:28a8:41e3
40.168.65.228 0:0:0:0:0:ffff:28a8:41e4
40.168.65.229 0:0:0:0:0:ffff:28a8:41e5
40.168.65.230 0:0:0:0:0:ffff:28a8:41e6
40.168.65.231 0:0:0:0:0:ffff:28a8:41e7
40.168.65.232 0:0:0:0:0:ffff:28a8:41e8
40.168.65.233 0:0:0:0:0:ffff:28a8:41e9
40.168.65.234 0:0:0:0:0:ffff:28a8:41ea
40.168.65.235 0:0:0:0:0:ffff:28a8:41eb
40.168.65.236 0:0:0:0:0:ffff:28a8:41ec
40.168.65.237 0:0:0:0:0:ffff:28a8:41ed
40.168.65.238 0:0:0:0:0:ffff:28a8:41ee
40.168.65.239 0:0:0:0:0:ffff:28a8:41ef
40.168.65.240 0:0:0:0:0:ffff:28a8:41f0
40.168.65.241 0:0:0:0:0:ffff:28a8:41f1
40.168.65.242 0:0:0:0:0:ffff:28a8:41f2
40.168.65.243 0:0:0:0:0:ffff:28a8:41f3
40.168.65.244 0:0:0:0:0:ffff:28a8:41f4
40.168.65.245 0:0:0:0:0:ffff:28a8:41f5
40.168.65.246 0:0:0:0:0:ffff:28a8:41f6
40.168.65.247 0:0:0:0:0:ffff:28a8:41f7
40.168.65.248 0:0:0:0:0:ffff:28a8:41f8
40.168.65.249 0:0:0:0:0:ffff:28a8:41f9
40.168.65.250 0:0:0:0:0:ffff:28a8:41fa
40.168.65.251 0:0:0:0:0:ffff:28a8:41fb
40.168.65.252 0:0:0:0:0:ffff:28a8:41fc
40.168.65.253 0:0:0:0:0:ffff:28a8:41fd
40.168.65.254 0:0:0:0:0:ffff:28a8:41fe
40.168.65.255 0:0:0:0:0:ffff:28a8:41ff


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.