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
231.85.81.1 0:0:0:0:0:ffff:e755:5101
231.85.81.2 0:0:0:0:0:ffff:e755:5102
231.85.81.3 0:0:0:0:0:ffff:e755:5103
231.85.81.4 0:0:0:0:0:ffff:e755:5104
231.85.81.5 0:0:0:0:0:ffff:e755:5105
231.85.81.6 0:0:0:0:0:ffff:e755:5106
231.85.81.7 0:0:0:0:0:ffff:e755:5107
231.85.81.8 0:0:0:0:0:ffff:e755:5108
231.85.81.9 0:0:0:0:0:ffff:e755:5109
231.85.81.10 0:0:0:0:0:ffff:e755:510a
231.85.81.11 0:0:0:0:0:ffff:e755:510b
231.85.81.12 0:0:0:0:0:ffff:e755:510c
231.85.81.13 0:0:0:0:0:ffff:e755:510d
231.85.81.14 0:0:0:0:0:ffff:e755:510e
231.85.81.15 0:0:0:0:0:ffff:e755:510f
231.85.81.16 0:0:0:0:0:ffff:e755:5110
231.85.81.17 0:0:0:0:0:ffff:e755:5111
231.85.81.18 0:0:0:0:0:ffff:e755:5112
231.85.81.19 0:0:0:0:0:ffff:e755:5113
231.85.81.20 0:0:0:0:0:ffff:e755:5114
231.85.81.21 0:0:0:0:0:ffff:e755:5115
231.85.81.22 0:0:0:0:0:ffff:e755:5116
231.85.81.23 0:0:0:0:0:ffff:e755:5117
231.85.81.24 0:0:0:0:0:ffff:e755:5118
231.85.81.25 0:0:0:0:0:ffff:e755:5119
231.85.81.26 0:0:0:0:0:ffff:e755:511a
231.85.81.27 0:0:0:0:0:ffff:e755:511b
231.85.81.28 0:0:0:0:0:ffff:e755:511c
231.85.81.29 0:0:0:0:0:ffff:e755:511d
231.85.81.30 0:0:0:0:0:ffff:e755:511e
231.85.81.31 0:0:0:0:0:ffff:e755:511f
231.85.81.32 0:0:0:0:0:ffff:e755:5120
231.85.81.33 0:0:0:0:0:ffff:e755:5121
231.85.81.34 0:0:0:0:0:ffff:e755:5122
231.85.81.35 0:0:0:0:0:ffff:e755:5123
231.85.81.36 0:0:0:0:0:ffff:e755:5124
231.85.81.37 0:0:0:0:0:ffff:e755:5125
231.85.81.38 0:0:0:0:0:ffff:e755:5126
231.85.81.39 0:0:0:0:0:ffff:e755:5127
231.85.81.40 0:0:0:0:0:ffff:e755:5128
231.85.81.41 0:0:0:0:0:ffff:e755:5129
231.85.81.42 0:0:0:0:0:ffff:e755:512a
231.85.81.43 0:0:0:0:0:ffff:e755:512b
231.85.81.44 0:0:0:0:0:ffff:e755:512c
231.85.81.45 0:0:0:0:0:ffff:e755:512d
231.85.81.46 0:0:0:0:0:ffff:e755:512e
231.85.81.47 0:0:0:0:0:ffff:e755:512f
231.85.81.48 0:0:0:0:0:ffff:e755:5130
231.85.81.49 0:0:0:0:0:ffff:e755:5131
231.85.81.50 0:0:0:0:0:ffff:e755:5132
231.85.81.51 0:0:0:0:0:ffff:e755:5133
231.85.81.52 0:0:0:0:0:ffff:e755:5134
231.85.81.53 0:0:0:0:0:ffff:e755:5135
231.85.81.54 0:0:0:0:0:ffff:e755:5136
231.85.81.55 0:0:0:0:0:ffff:e755:5137
231.85.81.56 0:0:0:0:0:ffff:e755:5138
231.85.81.57 0:0:0:0:0:ffff:e755:5139
231.85.81.58 0:0:0:0:0:ffff:e755:513a
231.85.81.59 0:0:0:0:0:ffff:e755:513b
231.85.81.60 0:0:0:0:0:ffff:e755:513c


231.85.81.61 0:0:0:0:0:ffff:e755:513d
231.85.81.62 0:0:0:0:0:ffff:e755:513e
231.85.81.63 0:0:0:0:0:ffff:e755:513f
231.85.81.64 0:0:0:0:0:ffff:e755:5140
231.85.81.65 0:0:0:0:0:ffff:e755:5141
231.85.81.66 0:0:0:0:0:ffff:e755:5142
231.85.81.67 0:0:0:0:0:ffff:e755:5143
231.85.81.68 0:0:0:0:0:ffff:e755:5144
231.85.81.69 0:0:0:0:0:ffff:e755:5145
231.85.81.70 0:0:0:0:0:ffff:e755:5146
231.85.81.71 0:0:0:0:0:ffff:e755:5147
231.85.81.72 0:0:0:0:0:ffff:e755:5148
231.85.81.73 0:0:0:0:0:ffff:e755:5149
231.85.81.74 0:0:0:0:0:ffff:e755:514a
231.85.81.75 0:0:0:0:0:ffff:e755:514b
231.85.81.76 0:0:0:0:0:ffff:e755:514c
231.85.81.77 0:0:0:0:0:ffff:e755:514d
231.85.81.78 0:0:0:0:0:ffff:e755:514e
231.85.81.79 0:0:0:0:0:ffff:e755:514f
231.85.81.80 0:0:0:0:0:ffff:e755:5150
231.85.81.81 0:0:0:0:0:ffff:e755:5151
231.85.81.82 0:0:0:0:0:ffff:e755:5152
231.85.81.83 0:0:0:0:0:ffff:e755:5153
231.85.81.84 0:0:0:0:0:ffff:e755:5154
231.85.81.85 0:0:0:0:0:ffff:e755:5155
231.85.81.86 0:0:0:0:0:ffff:e755:5156
231.85.81.87 0:0:0:0:0:ffff:e755:5157
231.85.81.88 0:0:0:0:0:ffff:e755:5158
231.85.81.89 0:0:0:0:0:ffff:e755:5159
231.85.81.90 0:0:0:0:0:ffff:e755:515a
231.85.81.91 0:0:0:0:0:ffff:e755:515b
231.85.81.92 0:0:0:0:0:ffff:e755:515c
231.85.81.93 0:0:0:0:0:ffff:e755:515d
231.85.81.94 0:0:0:0:0:ffff:e755:515e
231.85.81.95 0:0:0:0:0:ffff:e755:515f
231.85.81.96 0:0:0:0:0:ffff:e755:5160
231.85.81.97 0:0:0:0:0:ffff:e755:5161
231.85.81.98 0:0:0:0:0:ffff:e755:5162
231.85.81.99 0:0:0:0:0:ffff:e755:5163
231.85.81.100 0:0:0:0:0:ffff:e755:5164
231.85.81.101 0:0:0:0:0:ffff:e755:5165
231.85.81.102 0:0:0:0:0:ffff:e755:5166
231.85.81.103 0:0:0:0:0:ffff:e755:5167
231.85.81.104 0:0:0:0:0:ffff:e755:5168
231.85.81.105 0:0:0:0:0:ffff:e755:5169
231.85.81.106 0:0:0:0:0:ffff:e755:516a
231.85.81.107 0:0:0:0:0:ffff:e755:516b
231.85.81.108 0:0:0:0:0:ffff:e755:516c
231.85.81.109 0:0:0:0:0:ffff:e755:516d
231.85.81.110 0:0:0:0:0:ffff:e755:516e
231.85.81.111 0:0:0:0:0:ffff:e755:516f
231.85.81.112 0:0:0:0:0:ffff:e755:5170
231.85.81.113 0:0:0:0:0:ffff:e755:5171
231.85.81.114 0:0:0:0:0:ffff:e755:5172
231.85.81.115 0:0:0:0:0:ffff:e755:5173
231.85.81.116 0:0:0:0:0:ffff:e755:5174
231.85.81.117 0:0:0:0:0:ffff:e755:5175
231.85.81.118 0:0:0:0:0:ffff:e755:5176
231.85.81.119 0:0:0:0:0:ffff:e755:5177
231.85.81.120 0:0:0:0:0:ffff:e755:5178


231.85.81.121 0:0:0:0:0:ffff:e755:5179
231.85.81.122 0:0:0:0:0:ffff:e755:517a
231.85.81.123 0:0:0:0:0:ffff:e755:517b
231.85.81.124 0:0:0:0:0:ffff:e755:517c
231.85.81.125 0:0:0:0:0:ffff:e755:517d
231.85.81.126 0:0:0:0:0:ffff:e755:517e
231.85.81.127 0:0:0:0:0:ffff:e755:517f
231.85.81.128 0:0:0:0:0:ffff:e755:5180
231.85.81.129 0:0:0:0:0:ffff:e755:5181
231.85.81.130 0:0:0:0:0:ffff:e755:5182
231.85.81.131 0:0:0:0:0:ffff:e755:5183
231.85.81.132 0:0:0:0:0:ffff:e755:5184
231.85.81.133 0:0:0:0:0:ffff:e755:5185
231.85.81.134 0:0:0:0:0:ffff:e755:5186
231.85.81.135 0:0:0:0:0:ffff:e755:5187
231.85.81.136 0:0:0:0:0:ffff:e755:5188
231.85.81.137 0:0:0:0:0:ffff:e755:5189
231.85.81.138 0:0:0:0:0:ffff:e755:518a
231.85.81.139 0:0:0:0:0:ffff:e755:518b
231.85.81.140 0:0:0:0:0:ffff:e755:518c
231.85.81.141 0:0:0:0:0:ffff:e755:518d
231.85.81.142 0:0:0:0:0:ffff:e755:518e
231.85.81.143 0:0:0:0:0:ffff:e755:518f
231.85.81.144 0:0:0:0:0:ffff:e755:5190
231.85.81.145 0:0:0:0:0:ffff:e755:5191
231.85.81.146 0:0:0:0:0:ffff:e755:5192
231.85.81.147 0:0:0:0:0:ffff:e755:5193
231.85.81.148 0:0:0:0:0:ffff:e755:5194
231.85.81.149 0:0:0:0:0:ffff:e755:5195
231.85.81.150 0:0:0:0:0:ffff:e755:5196
231.85.81.151 0:0:0:0:0:ffff:e755:5197
231.85.81.152 0:0:0:0:0:ffff:e755:5198
231.85.81.153 0:0:0:0:0:ffff:e755:5199
231.85.81.154 0:0:0:0:0:ffff:e755:519a
231.85.81.155 0:0:0:0:0:ffff:e755:519b
231.85.81.156 0:0:0:0:0:ffff:e755:519c
231.85.81.157 0:0:0:0:0:ffff:e755:519d
231.85.81.158 0:0:0:0:0:ffff:e755:519e
231.85.81.159 0:0:0:0:0:ffff:e755:519f
231.85.81.160 0:0:0:0:0:ffff:e755:51a0
231.85.81.161 0:0:0:0:0:ffff:e755:51a1
231.85.81.162 0:0:0:0:0:ffff:e755:51a2
231.85.81.163 0:0:0:0:0:ffff:e755:51a3
231.85.81.164 0:0:0:0:0:ffff:e755:51a4
231.85.81.165 0:0:0:0:0:ffff:e755:51a5
231.85.81.166 0:0:0:0:0:ffff:e755:51a6
231.85.81.167 0:0:0:0:0:ffff:e755:51a7
231.85.81.168 0:0:0:0:0:ffff:e755:51a8
231.85.81.169 0:0:0:0:0:ffff:e755:51a9
231.85.81.170 0:0:0:0:0:ffff:e755:51aa
231.85.81.171 0:0:0:0:0:ffff:e755:51ab
231.85.81.172 0:0:0:0:0:ffff:e755:51ac
231.85.81.173 0:0:0:0:0:ffff:e755:51ad
231.85.81.174 0:0:0:0:0:ffff:e755:51ae
231.85.81.175 0:0:0:0:0:ffff:e755:51af
231.85.81.176 0:0:0:0:0:ffff:e755:51b0
231.85.81.177 0:0:0:0:0:ffff:e755:51b1
231.85.81.178 0:0:0:0:0:ffff:e755:51b2
231.85.81.179 0:0:0:0:0:ffff:e755:51b3
231.85.81.180 0:0:0:0:0:ffff:e755:51b4


231.85.81.181 0:0:0:0:0:ffff:e755:51b5
231.85.81.182 0:0:0:0:0:ffff:e755:51b6
231.85.81.183 0:0:0:0:0:ffff:e755:51b7
231.85.81.184 0:0:0:0:0:ffff:e755:51b8
231.85.81.185 0:0:0:0:0:ffff:e755:51b9
231.85.81.186 0:0:0:0:0:ffff:e755:51ba
231.85.81.187 0:0:0:0:0:ffff:e755:51bb
231.85.81.188 0:0:0:0:0:ffff:e755:51bc
231.85.81.189 0:0:0:0:0:ffff:e755:51bd
231.85.81.190 0:0:0:0:0:ffff:e755:51be
231.85.81.191 0:0:0:0:0:ffff:e755:51bf
231.85.81.192 0:0:0:0:0:ffff:e755:51c0
231.85.81.193 0:0:0:0:0:ffff:e755:51c1
231.85.81.194 0:0:0:0:0:ffff:e755:51c2
231.85.81.195 0:0:0:0:0:ffff:e755:51c3
231.85.81.196 0:0:0:0:0:ffff:e755:51c4
231.85.81.197 0:0:0:0:0:ffff:e755:51c5
231.85.81.198 0:0:0:0:0:ffff:e755:51c6
231.85.81.199 0:0:0:0:0:ffff:e755:51c7
231.85.81.200 0:0:0:0:0:ffff:e755:51c8
231.85.81.201 0:0:0:0:0:ffff:e755:51c9
231.85.81.202 0:0:0:0:0:ffff:e755:51ca
231.85.81.203 0:0:0:0:0:ffff:e755:51cb
231.85.81.204 0:0:0:0:0:ffff:e755:51cc
231.85.81.205 0:0:0:0:0:ffff:e755:51cd
231.85.81.206 0:0:0:0:0:ffff:e755:51ce
231.85.81.207 0:0:0:0:0:ffff:e755:51cf
231.85.81.208 0:0:0:0:0:ffff:e755:51d0
231.85.81.209 0:0:0:0:0:ffff:e755:51d1
231.85.81.210 0:0:0:0:0:ffff:e755:51d2
231.85.81.211 0:0:0:0:0:ffff:e755:51d3
231.85.81.212 0:0:0:0:0:ffff:e755:51d4
231.85.81.213 0:0:0:0:0:ffff:e755:51d5
231.85.81.214 0:0:0:0:0:ffff:e755:51d6
231.85.81.215 0:0:0:0:0:ffff:e755:51d7
231.85.81.216 0:0:0:0:0:ffff:e755:51d8
231.85.81.217 0:0:0:0:0:ffff:e755:51d9
231.85.81.218 0:0:0:0:0:ffff:e755:51da
231.85.81.219 0:0:0:0:0:ffff:e755:51db
231.85.81.220 0:0:0:0:0:ffff:e755:51dc
231.85.81.221 0:0:0:0:0:ffff:e755:51dd
231.85.81.222 0:0:0:0:0:ffff:e755:51de
231.85.81.223 0:0:0:0:0:ffff:e755:51df
231.85.81.224 0:0:0:0:0:ffff:e755:51e0
231.85.81.225 0:0:0:0:0:ffff:e755:51e1
231.85.81.226 0:0:0:0:0:ffff:e755:51e2
231.85.81.227 0:0:0:0:0:ffff:e755:51e3
231.85.81.228 0:0:0:0:0:ffff:e755:51e4
231.85.81.229 0:0:0:0:0:ffff:e755:51e5
231.85.81.230 0:0:0:0:0:ffff:e755:51e6
231.85.81.231 0:0:0:0:0:ffff:e755:51e7
231.85.81.232 0:0:0:0:0:ffff:e755:51e8
231.85.81.233 0:0:0:0:0:ffff:e755:51e9
231.85.81.234 0:0:0:0:0:ffff:e755:51ea
231.85.81.235 0:0:0:0:0:ffff:e755:51eb
231.85.81.236 0:0:0:0:0:ffff:e755:51ec
231.85.81.237 0:0:0:0:0:ffff:e755:51ed
231.85.81.238 0:0:0:0:0:ffff:e755:51ee
231.85.81.239 0:0:0:0:0:ffff:e755:51ef
231.85.81.240 0:0:0:0:0:ffff:e755:51f0
231.85.81.241 0:0:0:0:0:ffff:e755:51f1
231.85.81.242 0:0:0:0:0:ffff:e755:51f2
231.85.81.243 0:0:0:0:0:ffff:e755:51f3
231.85.81.244 0:0:0:0:0:ffff:e755:51f4
231.85.81.245 0:0:0:0:0:ffff:e755:51f5
231.85.81.246 0:0:0:0:0:ffff:e755:51f6
231.85.81.247 0:0:0:0:0:ffff:e755:51f7
231.85.81.248 0:0:0:0:0:ffff:e755:51f8
231.85.81.249 0:0:0:0:0:ffff:e755:51f9
231.85.81.250 0:0:0:0:0:ffff:e755:51fa
231.85.81.251 0:0:0:0:0:ffff:e755:51fb
231.85.81.252 0:0:0:0:0:ffff:e755:51fc
231.85.81.253 0:0:0:0:0:ffff:e755:51fd
231.85.81.254 0:0:0:0:0:ffff:e755:51fe
231.85.81.255 0:0:0:0:0:ffff:e755:51ff


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.