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
115.2.81.1 0:0:0:0:0:ffff:7302:5101
115.2.81.2 0:0:0:0:0:ffff:7302:5102
115.2.81.3 0:0:0:0:0:ffff:7302:5103
115.2.81.4 0:0:0:0:0:ffff:7302:5104
115.2.81.5 0:0:0:0:0:ffff:7302:5105
115.2.81.6 0:0:0:0:0:ffff:7302:5106
115.2.81.7 0:0:0:0:0:ffff:7302:5107
115.2.81.8 0:0:0:0:0:ffff:7302:5108
115.2.81.9 0:0:0:0:0:ffff:7302:5109
115.2.81.10 0:0:0:0:0:ffff:7302:510a
115.2.81.11 0:0:0:0:0:ffff:7302:510b
115.2.81.12 0:0:0:0:0:ffff:7302:510c
115.2.81.13 0:0:0:0:0:ffff:7302:510d
115.2.81.14 0:0:0:0:0:ffff:7302:510e
115.2.81.15 0:0:0:0:0:ffff:7302:510f
115.2.81.16 0:0:0:0:0:ffff:7302:5110
115.2.81.17 0:0:0:0:0:ffff:7302:5111
115.2.81.18 0:0:0:0:0:ffff:7302:5112
115.2.81.19 0:0:0:0:0:ffff:7302:5113
115.2.81.20 0:0:0:0:0:ffff:7302:5114
115.2.81.21 0:0:0:0:0:ffff:7302:5115
115.2.81.22 0:0:0:0:0:ffff:7302:5116
115.2.81.23 0:0:0:0:0:ffff:7302:5117
115.2.81.24 0:0:0:0:0:ffff:7302:5118
115.2.81.25 0:0:0:0:0:ffff:7302:5119
115.2.81.26 0:0:0:0:0:ffff:7302:511a
115.2.81.27 0:0:0:0:0:ffff:7302:511b
115.2.81.28 0:0:0:0:0:ffff:7302:511c
115.2.81.29 0:0:0:0:0:ffff:7302:511d
115.2.81.30 0:0:0:0:0:ffff:7302:511e
115.2.81.31 0:0:0:0:0:ffff:7302:511f
115.2.81.32 0:0:0:0:0:ffff:7302:5120
115.2.81.33 0:0:0:0:0:ffff:7302:5121
115.2.81.34 0:0:0:0:0:ffff:7302:5122
115.2.81.35 0:0:0:0:0:ffff:7302:5123
115.2.81.36 0:0:0:0:0:ffff:7302:5124
115.2.81.37 0:0:0:0:0:ffff:7302:5125
115.2.81.38 0:0:0:0:0:ffff:7302:5126
115.2.81.39 0:0:0:0:0:ffff:7302:5127
115.2.81.40 0:0:0:0:0:ffff:7302:5128
115.2.81.41 0:0:0:0:0:ffff:7302:5129
115.2.81.42 0:0:0:0:0:ffff:7302:512a
115.2.81.43 0:0:0:0:0:ffff:7302:512b
115.2.81.44 0:0:0:0:0:ffff:7302:512c
115.2.81.45 0:0:0:0:0:ffff:7302:512d
115.2.81.46 0:0:0:0:0:ffff:7302:512e
115.2.81.47 0:0:0:0:0:ffff:7302:512f
115.2.81.48 0:0:0:0:0:ffff:7302:5130
115.2.81.49 0:0:0:0:0:ffff:7302:5131
115.2.81.50 0:0:0:0:0:ffff:7302:5132
115.2.81.51 0:0:0:0:0:ffff:7302:5133
115.2.81.52 0:0:0:0:0:ffff:7302:5134
115.2.81.53 0:0:0:0:0:ffff:7302:5135
115.2.81.54 0:0:0:0:0:ffff:7302:5136
115.2.81.55 0:0:0:0:0:ffff:7302:5137
115.2.81.56 0:0:0:0:0:ffff:7302:5138
115.2.81.57 0:0:0:0:0:ffff:7302:5139
115.2.81.58 0:0:0:0:0:ffff:7302:513a
115.2.81.59 0:0:0:0:0:ffff:7302:513b
115.2.81.60 0:0:0:0:0:ffff:7302:513c


115.2.81.61 0:0:0:0:0:ffff:7302:513d
115.2.81.62 0:0:0:0:0:ffff:7302:513e
115.2.81.63 0:0:0:0:0:ffff:7302:513f
115.2.81.64 0:0:0:0:0:ffff:7302:5140
115.2.81.65 0:0:0:0:0:ffff:7302:5141
115.2.81.66 0:0:0:0:0:ffff:7302:5142
115.2.81.67 0:0:0:0:0:ffff:7302:5143
115.2.81.68 0:0:0:0:0:ffff:7302:5144
115.2.81.69 0:0:0:0:0:ffff:7302:5145
115.2.81.70 0:0:0:0:0:ffff:7302:5146
115.2.81.71 0:0:0:0:0:ffff:7302:5147
115.2.81.72 0:0:0:0:0:ffff:7302:5148
115.2.81.73 0:0:0:0:0:ffff:7302:5149
115.2.81.74 0:0:0:0:0:ffff:7302:514a
115.2.81.75 0:0:0:0:0:ffff:7302:514b
115.2.81.76 0:0:0:0:0:ffff:7302:514c
115.2.81.77 0:0:0:0:0:ffff:7302:514d
115.2.81.78 0:0:0:0:0:ffff:7302:514e
115.2.81.79 0:0:0:0:0:ffff:7302:514f
115.2.81.80 0:0:0:0:0:ffff:7302:5150
115.2.81.81 0:0:0:0:0:ffff:7302:5151
115.2.81.82 0:0:0:0:0:ffff:7302:5152
115.2.81.83 0:0:0:0:0:ffff:7302:5153
115.2.81.84 0:0:0:0:0:ffff:7302:5154
115.2.81.85 0:0:0:0:0:ffff:7302:5155
115.2.81.86 0:0:0:0:0:ffff:7302:5156
115.2.81.87 0:0:0:0:0:ffff:7302:5157
115.2.81.88 0:0:0:0:0:ffff:7302:5158
115.2.81.89 0:0:0:0:0:ffff:7302:5159
115.2.81.90 0:0:0:0:0:ffff:7302:515a
115.2.81.91 0:0:0:0:0:ffff:7302:515b
115.2.81.92 0:0:0:0:0:ffff:7302:515c
115.2.81.93 0:0:0:0:0:ffff:7302:515d
115.2.81.94 0:0:0:0:0:ffff:7302:515e
115.2.81.95 0:0:0:0:0:ffff:7302:515f
115.2.81.96 0:0:0:0:0:ffff:7302:5160
115.2.81.97 0:0:0:0:0:ffff:7302:5161
115.2.81.98 0:0:0:0:0:ffff:7302:5162
115.2.81.99 0:0:0:0:0:ffff:7302:5163
115.2.81.100 0:0:0:0:0:ffff:7302:5164
115.2.81.101 0:0:0:0:0:ffff:7302:5165
115.2.81.102 0:0:0:0:0:ffff:7302:5166
115.2.81.103 0:0:0:0:0:ffff:7302:5167
115.2.81.104 0:0:0:0:0:ffff:7302:5168
115.2.81.105 0:0:0:0:0:ffff:7302:5169
115.2.81.106 0:0:0:0:0:ffff:7302:516a
115.2.81.107 0:0:0:0:0:ffff:7302:516b
115.2.81.108 0:0:0:0:0:ffff:7302:516c
115.2.81.109 0:0:0:0:0:ffff:7302:516d
115.2.81.110 0:0:0:0:0:ffff:7302:516e
115.2.81.111 0:0:0:0:0:ffff:7302:516f
115.2.81.112 0:0:0:0:0:ffff:7302:5170
115.2.81.113 0:0:0:0:0:ffff:7302:5171
115.2.81.114 0:0:0:0:0:ffff:7302:5172
115.2.81.115 0:0:0:0:0:ffff:7302:5173
115.2.81.116 0:0:0:0:0:ffff:7302:5174
115.2.81.117 0:0:0:0:0:ffff:7302:5175
115.2.81.118 0:0:0:0:0:ffff:7302:5176
115.2.81.119 0:0:0:0:0:ffff:7302:5177
115.2.81.120 0:0:0:0:0:ffff:7302:5178


115.2.81.121 0:0:0:0:0:ffff:7302:5179
115.2.81.122 0:0:0:0:0:ffff:7302:517a
115.2.81.123 0:0:0:0:0:ffff:7302:517b
115.2.81.124 0:0:0:0:0:ffff:7302:517c
115.2.81.125 0:0:0:0:0:ffff:7302:517d
115.2.81.126 0:0:0:0:0:ffff:7302:517e
115.2.81.127 0:0:0:0:0:ffff:7302:517f
115.2.81.128 0:0:0:0:0:ffff:7302:5180
115.2.81.129 0:0:0:0:0:ffff:7302:5181
115.2.81.130 0:0:0:0:0:ffff:7302:5182
115.2.81.131 0:0:0:0:0:ffff:7302:5183
115.2.81.132 0:0:0:0:0:ffff:7302:5184
115.2.81.133 0:0:0:0:0:ffff:7302:5185
115.2.81.134 0:0:0:0:0:ffff:7302:5186
115.2.81.135 0:0:0:0:0:ffff:7302:5187
115.2.81.136 0:0:0:0:0:ffff:7302:5188
115.2.81.137 0:0:0:0:0:ffff:7302:5189
115.2.81.138 0:0:0:0:0:ffff:7302:518a
115.2.81.139 0:0:0:0:0:ffff:7302:518b
115.2.81.140 0:0:0:0:0:ffff:7302:518c
115.2.81.141 0:0:0:0:0:ffff:7302:518d
115.2.81.142 0:0:0:0:0:ffff:7302:518e
115.2.81.143 0:0:0:0:0:ffff:7302:518f
115.2.81.144 0:0:0:0:0:ffff:7302:5190
115.2.81.145 0:0:0:0:0:ffff:7302:5191
115.2.81.146 0:0:0:0:0:ffff:7302:5192
115.2.81.147 0:0:0:0:0:ffff:7302:5193
115.2.81.148 0:0:0:0:0:ffff:7302:5194
115.2.81.149 0:0:0:0:0:ffff:7302:5195
115.2.81.150 0:0:0:0:0:ffff:7302:5196
115.2.81.151 0:0:0:0:0:ffff:7302:5197
115.2.81.152 0:0:0:0:0:ffff:7302:5198
115.2.81.153 0:0:0:0:0:ffff:7302:5199
115.2.81.154 0:0:0:0:0:ffff:7302:519a
115.2.81.155 0:0:0:0:0:ffff:7302:519b
115.2.81.156 0:0:0:0:0:ffff:7302:519c
115.2.81.157 0:0:0:0:0:ffff:7302:519d
115.2.81.158 0:0:0:0:0:ffff:7302:519e
115.2.81.159 0:0:0:0:0:ffff:7302:519f
115.2.81.160 0:0:0:0:0:ffff:7302:51a0
115.2.81.161 0:0:0:0:0:ffff:7302:51a1
115.2.81.162 0:0:0:0:0:ffff:7302:51a2
115.2.81.163 0:0:0:0:0:ffff:7302:51a3
115.2.81.164 0:0:0:0:0:ffff:7302:51a4
115.2.81.165 0:0:0:0:0:ffff:7302:51a5
115.2.81.166 0:0:0:0:0:ffff:7302:51a6
115.2.81.167 0:0:0:0:0:ffff:7302:51a7
115.2.81.168 0:0:0:0:0:ffff:7302:51a8
115.2.81.169 0:0:0:0:0:ffff:7302:51a9
115.2.81.170 0:0:0:0:0:ffff:7302:51aa
115.2.81.171 0:0:0:0:0:ffff:7302:51ab
115.2.81.172 0:0:0:0:0:ffff:7302:51ac
115.2.81.173 0:0:0:0:0:ffff:7302:51ad
115.2.81.174 0:0:0:0:0:ffff:7302:51ae
115.2.81.175 0:0:0:0:0:ffff:7302:51af
115.2.81.176 0:0:0:0:0:ffff:7302:51b0
115.2.81.177 0:0:0:0:0:ffff:7302:51b1
115.2.81.178 0:0:0:0:0:ffff:7302:51b2
115.2.81.179 0:0:0:0:0:ffff:7302:51b3
115.2.81.180 0:0:0:0:0:ffff:7302:51b4


115.2.81.181 0:0:0:0:0:ffff:7302:51b5
115.2.81.182 0:0:0:0:0:ffff:7302:51b6
115.2.81.183 0:0:0:0:0:ffff:7302:51b7
115.2.81.184 0:0:0:0:0:ffff:7302:51b8
115.2.81.185 0:0:0:0:0:ffff:7302:51b9
115.2.81.186 0:0:0:0:0:ffff:7302:51ba
115.2.81.187 0:0:0:0:0:ffff:7302:51bb
115.2.81.188 0:0:0:0:0:ffff:7302:51bc
115.2.81.189 0:0:0:0:0:ffff:7302:51bd
115.2.81.190 0:0:0:0:0:ffff:7302:51be
115.2.81.191 0:0:0:0:0:ffff:7302:51bf
115.2.81.192 0:0:0:0:0:ffff:7302:51c0
115.2.81.193 0:0:0:0:0:ffff:7302:51c1
115.2.81.194 0:0:0:0:0:ffff:7302:51c2
115.2.81.195 0:0:0:0:0:ffff:7302:51c3
115.2.81.196 0:0:0:0:0:ffff:7302:51c4
115.2.81.197 0:0:0:0:0:ffff:7302:51c5
115.2.81.198 0:0:0:0:0:ffff:7302:51c6
115.2.81.199 0:0:0:0:0:ffff:7302:51c7
115.2.81.200 0:0:0:0:0:ffff:7302:51c8
115.2.81.201 0:0:0:0:0:ffff:7302:51c9
115.2.81.202 0:0:0:0:0:ffff:7302:51ca
115.2.81.203 0:0:0:0:0:ffff:7302:51cb
115.2.81.204 0:0:0:0:0:ffff:7302:51cc
115.2.81.205 0:0:0:0:0:ffff:7302:51cd
115.2.81.206 0:0:0:0:0:ffff:7302:51ce
115.2.81.207 0:0:0:0:0:ffff:7302:51cf
115.2.81.208 0:0:0:0:0:ffff:7302:51d0
115.2.81.209 0:0:0:0:0:ffff:7302:51d1
115.2.81.210 0:0:0:0:0:ffff:7302:51d2
115.2.81.211 0:0:0:0:0:ffff:7302:51d3
115.2.81.212 0:0:0:0:0:ffff:7302:51d4
115.2.81.213 0:0:0:0:0:ffff:7302:51d5
115.2.81.214 0:0:0:0:0:ffff:7302:51d6
115.2.81.215 0:0:0:0:0:ffff:7302:51d7
115.2.81.216 0:0:0:0:0:ffff:7302:51d8
115.2.81.217 0:0:0:0:0:ffff:7302:51d9
115.2.81.218 0:0:0:0:0:ffff:7302:51da
115.2.81.219 0:0:0:0:0:ffff:7302:51db
115.2.81.220 0:0:0:0:0:ffff:7302:51dc
115.2.81.221 0:0:0:0:0:ffff:7302:51dd
115.2.81.222 0:0:0:0:0:ffff:7302:51de
115.2.81.223 0:0:0:0:0:ffff:7302:51df
115.2.81.224 0:0:0:0:0:ffff:7302:51e0
115.2.81.225 0:0:0:0:0:ffff:7302:51e1
115.2.81.226 0:0:0:0:0:ffff:7302:51e2
115.2.81.227 0:0:0:0:0:ffff:7302:51e3
115.2.81.228 0:0:0:0:0:ffff:7302:51e4
115.2.81.229 0:0:0:0:0:ffff:7302:51e5
115.2.81.230 0:0:0:0:0:ffff:7302:51e6
115.2.81.231 0:0:0:0:0:ffff:7302:51e7
115.2.81.232 0:0:0:0:0:ffff:7302:51e8
115.2.81.233 0:0:0:0:0:ffff:7302:51e9
115.2.81.234 0:0:0:0:0:ffff:7302:51ea
115.2.81.235 0:0:0:0:0:ffff:7302:51eb
115.2.81.236 0:0:0:0:0:ffff:7302:51ec
115.2.81.237 0:0:0:0:0:ffff:7302:51ed
115.2.81.238 0:0:0:0:0:ffff:7302:51ee
115.2.81.239 0:0:0:0:0:ffff:7302:51ef
115.2.81.240 0:0:0:0:0:ffff:7302:51f0
115.2.81.241 0:0:0:0:0:ffff:7302:51f1
115.2.81.242 0:0:0:0:0:ffff:7302:51f2
115.2.81.243 0:0:0:0:0:ffff:7302:51f3
115.2.81.244 0:0:0:0:0:ffff:7302:51f4
115.2.81.245 0:0:0:0:0:ffff:7302:51f5
115.2.81.246 0:0:0:0:0:ffff:7302:51f6
115.2.81.247 0:0:0:0:0:ffff:7302:51f7
115.2.81.248 0:0:0:0:0:ffff:7302:51f8
115.2.81.249 0:0:0:0:0:ffff:7302:51f9
115.2.81.250 0:0:0:0:0:ffff:7302:51fa
115.2.81.251 0:0:0:0:0:ffff:7302:51fb
115.2.81.252 0:0:0:0:0:ffff:7302:51fc
115.2.81.253 0:0:0:0:0:ffff:7302:51fd
115.2.81.254 0:0:0:0:0:ffff:7302:51fe
115.2.81.255 0:0:0:0:0:ffff:7302:51ff


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.