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
224.72.81.1 0:0:0:0:0:ffff:e048:5101
224.72.81.2 0:0:0:0:0:ffff:e048:5102
224.72.81.3 0:0:0:0:0:ffff:e048:5103
224.72.81.4 0:0:0:0:0:ffff:e048:5104
224.72.81.5 0:0:0:0:0:ffff:e048:5105
224.72.81.6 0:0:0:0:0:ffff:e048:5106
224.72.81.7 0:0:0:0:0:ffff:e048:5107
224.72.81.8 0:0:0:0:0:ffff:e048:5108
224.72.81.9 0:0:0:0:0:ffff:e048:5109
224.72.81.10 0:0:0:0:0:ffff:e048:510a
224.72.81.11 0:0:0:0:0:ffff:e048:510b
224.72.81.12 0:0:0:0:0:ffff:e048:510c
224.72.81.13 0:0:0:0:0:ffff:e048:510d
224.72.81.14 0:0:0:0:0:ffff:e048:510e
224.72.81.15 0:0:0:0:0:ffff:e048:510f
224.72.81.16 0:0:0:0:0:ffff:e048:5110
224.72.81.17 0:0:0:0:0:ffff:e048:5111
224.72.81.18 0:0:0:0:0:ffff:e048:5112
224.72.81.19 0:0:0:0:0:ffff:e048:5113
224.72.81.20 0:0:0:0:0:ffff:e048:5114
224.72.81.21 0:0:0:0:0:ffff:e048:5115
224.72.81.22 0:0:0:0:0:ffff:e048:5116
224.72.81.23 0:0:0:0:0:ffff:e048:5117
224.72.81.24 0:0:0:0:0:ffff:e048:5118
224.72.81.25 0:0:0:0:0:ffff:e048:5119
224.72.81.26 0:0:0:0:0:ffff:e048:511a
224.72.81.27 0:0:0:0:0:ffff:e048:511b
224.72.81.28 0:0:0:0:0:ffff:e048:511c
224.72.81.29 0:0:0:0:0:ffff:e048:511d
224.72.81.30 0:0:0:0:0:ffff:e048:511e
224.72.81.31 0:0:0:0:0:ffff:e048:511f
224.72.81.32 0:0:0:0:0:ffff:e048:5120
224.72.81.33 0:0:0:0:0:ffff:e048:5121
224.72.81.34 0:0:0:0:0:ffff:e048:5122
224.72.81.35 0:0:0:0:0:ffff:e048:5123
224.72.81.36 0:0:0:0:0:ffff:e048:5124
224.72.81.37 0:0:0:0:0:ffff:e048:5125
224.72.81.38 0:0:0:0:0:ffff:e048:5126
224.72.81.39 0:0:0:0:0:ffff:e048:5127
224.72.81.40 0:0:0:0:0:ffff:e048:5128
224.72.81.41 0:0:0:0:0:ffff:e048:5129
224.72.81.42 0:0:0:0:0:ffff:e048:512a
224.72.81.43 0:0:0:0:0:ffff:e048:512b
224.72.81.44 0:0:0:0:0:ffff:e048:512c
224.72.81.45 0:0:0:0:0:ffff:e048:512d
224.72.81.46 0:0:0:0:0:ffff:e048:512e
224.72.81.47 0:0:0:0:0:ffff:e048:512f
224.72.81.48 0:0:0:0:0:ffff:e048:5130
224.72.81.49 0:0:0:0:0:ffff:e048:5131
224.72.81.50 0:0:0:0:0:ffff:e048:5132
224.72.81.51 0:0:0:0:0:ffff:e048:5133
224.72.81.52 0:0:0:0:0:ffff:e048:5134
224.72.81.53 0:0:0:0:0:ffff:e048:5135
224.72.81.54 0:0:0:0:0:ffff:e048:5136
224.72.81.55 0:0:0:0:0:ffff:e048:5137
224.72.81.56 0:0:0:0:0:ffff:e048:5138
224.72.81.57 0:0:0:0:0:ffff:e048:5139
224.72.81.58 0:0:0:0:0:ffff:e048:513a
224.72.81.59 0:0:0:0:0:ffff:e048:513b
224.72.81.60 0:0:0:0:0:ffff:e048:513c


224.72.81.61 0:0:0:0:0:ffff:e048:513d
224.72.81.62 0:0:0:0:0:ffff:e048:513e
224.72.81.63 0:0:0:0:0:ffff:e048:513f
224.72.81.64 0:0:0:0:0:ffff:e048:5140
224.72.81.65 0:0:0:0:0:ffff:e048:5141
224.72.81.66 0:0:0:0:0:ffff:e048:5142
224.72.81.67 0:0:0:0:0:ffff:e048:5143
224.72.81.68 0:0:0:0:0:ffff:e048:5144
224.72.81.69 0:0:0:0:0:ffff:e048:5145
224.72.81.70 0:0:0:0:0:ffff:e048:5146
224.72.81.71 0:0:0:0:0:ffff:e048:5147
224.72.81.72 0:0:0:0:0:ffff:e048:5148
224.72.81.73 0:0:0:0:0:ffff:e048:5149
224.72.81.74 0:0:0:0:0:ffff:e048:514a
224.72.81.75 0:0:0:0:0:ffff:e048:514b
224.72.81.76 0:0:0:0:0:ffff:e048:514c
224.72.81.77 0:0:0:0:0:ffff:e048:514d
224.72.81.78 0:0:0:0:0:ffff:e048:514e
224.72.81.79 0:0:0:0:0:ffff:e048:514f
224.72.81.80 0:0:0:0:0:ffff:e048:5150
224.72.81.81 0:0:0:0:0:ffff:e048:5151
224.72.81.82 0:0:0:0:0:ffff:e048:5152
224.72.81.83 0:0:0:0:0:ffff:e048:5153
224.72.81.84 0:0:0:0:0:ffff:e048:5154
224.72.81.85 0:0:0:0:0:ffff:e048:5155
224.72.81.86 0:0:0:0:0:ffff:e048:5156
224.72.81.87 0:0:0:0:0:ffff:e048:5157
224.72.81.88 0:0:0:0:0:ffff:e048:5158
224.72.81.89 0:0:0:0:0:ffff:e048:5159
224.72.81.90 0:0:0:0:0:ffff:e048:515a
224.72.81.91 0:0:0:0:0:ffff:e048:515b
224.72.81.92 0:0:0:0:0:ffff:e048:515c
224.72.81.93 0:0:0:0:0:ffff:e048:515d
224.72.81.94 0:0:0:0:0:ffff:e048:515e
224.72.81.95 0:0:0:0:0:ffff:e048:515f
224.72.81.96 0:0:0:0:0:ffff:e048:5160
224.72.81.97 0:0:0:0:0:ffff:e048:5161
224.72.81.98 0:0:0:0:0:ffff:e048:5162
224.72.81.99 0:0:0:0:0:ffff:e048:5163
224.72.81.100 0:0:0:0:0:ffff:e048:5164
224.72.81.101 0:0:0:0:0:ffff:e048:5165
224.72.81.102 0:0:0:0:0:ffff:e048:5166
224.72.81.103 0:0:0:0:0:ffff:e048:5167
224.72.81.104 0:0:0:0:0:ffff:e048:5168
224.72.81.105 0:0:0:0:0:ffff:e048:5169
224.72.81.106 0:0:0:0:0:ffff:e048:516a
224.72.81.107 0:0:0:0:0:ffff:e048:516b
224.72.81.108 0:0:0:0:0:ffff:e048:516c
224.72.81.109 0:0:0:0:0:ffff:e048:516d
224.72.81.110 0:0:0:0:0:ffff:e048:516e
224.72.81.111 0:0:0:0:0:ffff:e048:516f
224.72.81.112 0:0:0:0:0:ffff:e048:5170
224.72.81.113 0:0:0:0:0:ffff:e048:5171
224.72.81.114 0:0:0:0:0:ffff:e048:5172
224.72.81.115 0:0:0:0:0:ffff:e048:5173
224.72.81.116 0:0:0:0:0:ffff:e048:5174
224.72.81.117 0:0:0:0:0:ffff:e048:5175
224.72.81.118 0:0:0:0:0:ffff:e048:5176
224.72.81.119 0:0:0:0:0:ffff:e048:5177
224.72.81.120 0:0:0:0:0:ffff:e048:5178


224.72.81.121 0:0:0:0:0:ffff:e048:5179
224.72.81.122 0:0:0:0:0:ffff:e048:517a
224.72.81.123 0:0:0:0:0:ffff:e048:517b
224.72.81.124 0:0:0:0:0:ffff:e048:517c
224.72.81.125 0:0:0:0:0:ffff:e048:517d
224.72.81.126 0:0:0:0:0:ffff:e048:517e
224.72.81.127 0:0:0:0:0:ffff:e048:517f
224.72.81.128 0:0:0:0:0:ffff:e048:5180
224.72.81.129 0:0:0:0:0:ffff:e048:5181
224.72.81.130 0:0:0:0:0:ffff:e048:5182
224.72.81.131 0:0:0:0:0:ffff:e048:5183
224.72.81.132 0:0:0:0:0:ffff:e048:5184
224.72.81.133 0:0:0:0:0:ffff:e048:5185
224.72.81.134 0:0:0:0:0:ffff:e048:5186
224.72.81.135 0:0:0:0:0:ffff:e048:5187
224.72.81.136 0:0:0:0:0:ffff:e048:5188
224.72.81.137 0:0:0:0:0:ffff:e048:5189
224.72.81.138 0:0:0:0:0:ffff:e048:518a
224.72.81.139 0:0:0:0:0:ffff:e048:518b
224.72.81.140 0:0:0:0:0:ffff:e048:518c
224.72.81.141 0:0:0:0:0:ffff:e048:518d
224.72.81.142 0:0:0:0:0:ffff:e048:518e
224.72.81.143 0:0:0:0:0:ffff:e048:518f
224.72.81.144 0:0:0:0:0:ffff:e048:5190
224.72.81.145 0:0:0:0:0:ffff:e048:5191
224.72.81.146 0:0:0:0:0:ffff:e048:5192
224.72.81.147 0:0:0:0:0:ffff:e048:5193
224.72.81.148 0:0:0:0:0:ffff:e048:5194
224.72.81.149 0:0:0:0:0:ffff:e048:5195
224.72.81.150 0:0:0:0:0:ffff:e048:5196
224.72.81.151 0:0:0:0:0:ffff:e048:5197
224.72.81.152 0:0:0:0:0:ffff:e048:5198
224.72.81.153 0:0:0:0:0:ffff:e048:5199
224.72.81.154 0:0:0:0:0:ffff:e048:519a
224.72.81.155 0:0:0:0:0:ffff:e048:519b
224.72.81.156 0:0:0:0:0:ffff:e048:519c
224.72.81.157 0:0:0:0:0:ffff:e048:519d
224.72.81.158 0:0:0:0:0:ffff:e048:519e
224.72.81.159 0:0:0:0:0:ffff:e048:519f
224.72.81.160 0:0:0:0:0:ffff:e048:51a0
224.72.81.161 0:0:0:0:0:ffff:e048:51a1
224.72.81.162 0:0:0:0:0:ffff:e048:51a2
224.72.81.163 0:0:0:0:0:ffff:e048:51a3
224.72.81.164 0:0:0:0:0:ffff:e048:51a4
224.72.81.165 0:0:0:0:0:ffff:e048:51a5
224.72.81.166 0:0:0:0:0:ffff:e048:51a6
224.72.81.167 0:0:0:0:0:ffff:e048:51a7
224.72.81.168 0:0:0:0:0:ffff:e048:51a8
224.72.81.169 0:0:0:0:0:ffff:e048:51a9
224.72.81.170 0:0:0:0:0:ffff:e048:51aa
224.72.81.171 0:0:0:0:0:ffff:e048:51ab
224.72.81.172 0:0:0:0:0:ffff:e048:51ac
224.72.81.173 0:0:0:0:0:ffff:e048:51ad
224.72.81.174 0:0:0:0:0:ffff:e048:51ae
224.72.81.175 0:0:0:0:0:ffff:e048:51af
224.72.81.176 0:0:0:0:0:ffff:e048:51b0
224.72.81.177 0:0:0:0:0:ffff:e048:51b1
224.72.81.178 0:0:0:0:0:ffff:e048:51b2
224.72.81.179 0:0:0:0:0:ffff:e048:51b3
224.72.81.180 0:0:0:0:0:ffff:e048:51b4


224.72.81.181 0:0:0:0:0:ffff:e048:51b5
224.72.81.182 0:0:0:0:0:ffff:e048:51b6
224.72.81.183 0:0:0:0:0:ffff:e048:51b7
224.72.81.184 0:0:0:0:0:ffff:e048:51b8
224.72.81.185 0:0:0:0:0:ffff:e048:51b9
224.72.81.186 0:0:0:0:0:ffff:e048:51ba
224.72.81.187 0:0:0:0:0:ffff:e048:51bb
224.72.81.188 0:0:0:0:0:ffff:e048:51bc
224.72.81.189 0:0:0:0:0:ffff:e048:51bd
224.72.81.190 0:0:0:0:0:ffff:e048:51be
224.72.81.191 0:0:0:0:0:ffff:e048:51bf
224.72.81.192 0:0:0:0:0:ffff:e048:51c0
224.72.81.193 0:0:0:0:0:ffff:e048:51c1
224.72.81.194 0:0:0:0:0:ffff:e048:51c2
224.72.81.195 0:0:0:0:0:ffff:e048:51c3
224.72.81.196 0:0:0:0:0:ffff:e048:51c4
224.72.81.197 0:0:0:0:0:ffff:e048:51c5
224.72.81.198 0:0:0:0:0:ffff:e048:51c6
224.72.81.199 0:0:0:0:0:ffff:e048:51c7
224.72.81.200 0:0:0:0:0:ffff:e048:51c8
224.72.81.201 0:0:0:0:0:ffff:e048:51c9
224.72.81.202 0:0:0:0:0:ffff:e048:51ca
224.72.81.203 0:0:0:0:0:ffff:e048:51cb
224.72.81.204 0:0:0:0:0:ffff:e048:51cc
224.72.81.205 0:0:0:0:0:ffff:e048:51cd
224.72.81.206 0:0:0:0:0:ffff:e048:51ce
224.72.81.207 0:0:0:0:0:ffff:e048:51cf
224.72.81.208 0:0:0:0:0:ffff:e048:51d0
224.72.81.209 0:0:0:0:0:ffff:e048:51d1
224.72.81.210 0:0:0:0:0:ffff:e048:51d2
224.72.81.211 0:0:0:0:0:ffff:e048:51d3
224.72.81.212 0:0:0:0:0:ffff:e048:51d4
224.72.81.213 0:0:0:0:0:ffff:e048:51d5
224.72.81.214 0:0:0:0:0:ffff:e048:51d6
224.72.81.215 0:0:0:0:0:ffff:e048:51d7
224.72.81.216 0:0:0:0:0:ffff:e048:51d8
224.72.81.217 0:0:0:0:0:ffff:e048:51d9
224.72.81.218 0:0:0:0:0:ffff:e048:51da
224.72.81.219 0:0:0:0:0:ffff:e048:51db
224.72.81.220 0:0:0:0:0:ffff:e048:51dc
224.72.81.221 0:0:0:0:0:ffff:e048:51dd
224.72.81.222 0:0:0:0:0:ffff:e048:51de
224.72.81.223 0:0:0:0:0:ffff:e048:51df
224.72.81.224 0:0:0:0:0:ffff:e048:51e0
224.72.81.225 0:0:0:0:0:ffff:e048:51e1
224.72.81.226 0:0:0:0:0:ffff:e048:51e2
224.72.81.227 0:0:0:0:0:ffff:e048:51e3
224.72.81.228 0:0:0:0:0:ffff:e048:51e4
224.72.81.229 0:0:0:0:0:ffff:e048:51e5
224.72.81.230 0:0:0:0:0:ffff:e048:51e6
224.72.81.231 0:0:0:0:0:ffff:e048:51e7
224.72.81.232 0:0:0:0:0:ffff:e048:51e8
224.72.81.233 0:0:0:0:0:ffff:e048:51e9
224.72.81.234 0:0:0:0:0:ffff:e048:51ea
224.72.81.235 0:0:0:0:0:ffff:e048:51eb
224.72.81.236 0:0:0:0:0:ffff:e048:51ec
224.72.81.237 0:0:0:0:0:ffff:e048:51ed
224.72.81.238 0:0:0:0:0:ffff:e048:51ee
224.72.81.239 0:0:0:0:0:ffff:e048:51ef
224.72.81.240 0:0:0:0:0:ffff:e048:51f0
224.72.81.241 0:0:0:0:0:ffff:e048:51f1
224.72.81.242 0:0:0:0:0:ffff:e048:51f2
224.72.81.243 0:0:0:0:0:ffff:e048:51f3
224.72.81.244 0:0:0:0:0:ffff:e048:51f4
224.72.81.245 0:0:0:0:0:ffff:e048:51f5
224.72.81.246 0:0:0:0:0:ffff:e048:51f6
224.72.81.247 0:0:0:0:0:ffff:e048:51f7
224.72.81.248 0:0:0:0:0:ffff:e048:51f8
224.72.81.249 0:0:0:0:0:ffff:e048:51f9
224.72.81.250 0:0:0:0:0:ffff:e048:51fa
224.72.81.251 0:0:0:0:0:ffff:e048:51fb
224.72.81.252 0:0:0:0:0:ffff:e048:51fc
224.72.81.253 0:0:0:0:0:ffff:e048:51fd
224.72.81.254 0:0:0:0:0:ffff:e048:51fe
224.72.81.255 0:0:0:0:0:ffff:e048:51ff


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.