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
55.3.81.1 0:0:0:0:0:ffff:3703:5101
55.3.81.2 0:0:0:0:0:ffff:3703:5102
55.3.81.3 0:0:0:0:0:ffff:3703:5103
55.3.81.4 0:0:0:0:0:ffff:3703:5104
55.3.81.5 0:0:0:0:0:ffff:3703:5105
55.3.81.6 0:0:0:0:0:ffff:3703:5106
55.3.81.7 0:0:0:0:0:ffff:3703:5107
55.3.81.8 0:0:0:0:0:ffff:3703:5108
55.3.81.9 0:0:0:0:0:ffff:3703:5109
55.3.81.10 0:0:0:0:0:ffff:3703:510a
55.3.81.11 0:0:0:0:0:ffff:3703:510b
55.3.81.12 0:0:0:0:0:ffff:3703:510c
55.3.81.13 0:0:0:0:0:ffff:3703:510d
55.3.81.14 0:0:0:0:0:ffff:3703:510e
55.3.81.15 0:0:0:0:0:ffff:3703:510f
55.3.81.16 0:0:0:0:0:ffff:3703:5110
55.3.81.17 0:0:0:0:0:ffff:3703:5111
55.3.81.18 0:0:0:0:0:ffff:3703:5112
55.3.81.19 0:0:0:0:0:ffff:3703:5113
55.3.81.20 0:0:0:0:0:ffff:3703:5114
55.3.81.21 0:0:0:0:0:ffff:3703:5115
55.3.81.22 0:0:0:0:0:ffff:3703:5116
55.3.81.23 0:0:0:0:0:ffff:3703:5117
55.3.81.24 0:0:0:0:0:ffff:3703:5118
55.3.81.25 0:0:0:0:0:ffff:3703:5119
55.3.81.26 0:0:0:0:0:ffff:3703:511a
55.3.81.27 0:0:0:0:0:ffff:3703:511b
55.3.81.28 0:0:0:0:0:ffff:3703:511c
55.3.81.29 0:0:0:0:0:ffff:3703:511d
55.3.81.30 0:0:0:0:0:ffff:3703:511e
55.3.81.31 0:0:0:0:0:ffff:3703:511f
55.3.81.32 0:0:0:0:0:ffff:3703:5120
55.3.81.33 0:0:0:0:0:ffff:3703:5121
55.3.81.34 0:0:0:0:0:ffff:3703:5122
55.3.81.35 0:0:0:0:0:ffff:3703:5123
55.3.81.36 0:0:0:0:0:ffff:3703:5124
55.3.81.37 0:0:0:0:0:ffff:3703:5125
55.3.81.38 0:0:0:0:0:ffff:3703:5126
55.3.81.39 0:0:0:0:0:ffff:3703:5127
55.3.81.40 0:0:0:0:0:ffff:3703:5128
55.3.81.41 0:0:0:0:0:ffff:3703:5129
55.3.81.42 0:0:0:0:0:ffff:3703:512a
55.3.81.43 0:0:0:0:0:ffff:3703:512b
55.3.81.44 0:0:0:0:0:ffff:3703:512c
55.3.81.45 0:0:0:0:0:ffff:3703:512d
55.3.81.46 0:0:0:0:0:ffff:3703:512e
55.3.81.47 0:0:0:0:0:ffff:3703:512f
55.3.81.48 0:0:0:0:0:ffff:3703:5130
55.3.81.49 0:0:0:0:0:ffff:3703:5131
55.3.81.50 0:0:0:0:0:ffff:3703:5132
55.3.81.51 0:0:0:0:0:ffff:3703:5133
55.3.81.52 0:0:0:0:0:ffff:3703:5134
55.3.81.53 0:0:0:0:0:ffff:3703:5135
55.3.81.54 0:0:0:0:0:ffff:3703:5136
55.3.81.55 0:0:0:0:0:ffff:3703:5137
55.3.81.56 0:0:0:0:0:ffff:3703:5138
55.3.81.57 0:0:0:0:0:ffff:3703:5139
55.3.81.58 0:0:0:0:0:ffff:3703:513a
55.3.81.59 0:0:0:0:0:ffff:3703:513b
55.3.81.60 0:0:0:0:0:ffff:3703:513c


55.3.81.61 0:0:0:0:0:ffff:3703:513d
55.3.81.62 0:0:0:0:0:ffff:3703:513e
55.3.81.63 0:0:0:0:0:ffff:3703:513f
55.3.81.64 0:0:0:0:0:ffff:3703:5140
55.3.81.65 0:0:0:0:0:ffff:3703:5141
55.3.81.66 0:0:0:0:0:ffff:3703:5142
55.3.81.67 0:0:0:0:0:ffff:3703:5143
55.3.81.68 0:0:0:0:0:ffff:3703:5144
55.3.81.69 0:0:0:0:0:ffff:3703:5145
55.3.81.70 0:0:0:0:0:ffff:3703:5146
55.3.81.71 0:0:0:0:0:ffff:3703:5147
55.3.81.72 0:0:0:0:0:ffff:3703:5148
55.3.81.73 0:0:0:0:0:ffff:3703:5149
55.3.81.74 0:0:0:0:0:ffff:3703:514a
55.3.81.75 0:0:0:0:0:ffff:3703:514b
55.3.81.76 0:0:0:0:0:ffff:3703:514c
55.3.81.77 0:0:0:0:0:ffff:3703:514d
55.3.81.78 0:0:0:0:0:ffff:3703:514e
55.3.81.79 0:0:0:0:0:ffff:3703:514f
55.3.81.80 0:0:0:0:0:ffff:3703:5150
55.3.81.81 0:0:0:0:0:ffff:3703:5151
55.3.81.82 0:0:0:0:0:ffff:3703:5152
55.3.81.83 0:0:0:0:0:ffff:3703:5153
55.3.81.84 0:0:0:0:0:ffff:3703:5154
55.3.81.85 0:0:0:0:0:ffff:3703:5155
55.3.81.86 0:0:0:0:0:ffff:3703:5156
55.3.81.87 0:0:0:0:0:ffff:3703:5157
55.3.81.88 0:0:0:0:0:ffff:3703:5158
55.3.81.89 0:0:0:0:0:ffff:3703:5159
55.3.81.90 0:0:0:0:0:ffff:3703:515a
55.3.81.91 0:0:0:0:0:ffff:3703:515b
55.3.81.92 0:0:0:0:0:ffff:3703:515c
55.3.81.93 0:0:0:0:0:ffff:3703:515d
55.3.81.94 0:0:0:0:0:ffff:3703:515e
55.3.81.95 0:0:0:0:0:ffff:3703:515f
55.3.81.96 0:0:0:0:0:ffff:3703:5160
55.3.81.97 0:0:0:0:0:ffff:3703:5161
55.3.81.98 0:0:0:0:0:ffff:3703:5162
55.3.81.99 0:0:0:0:0:ffff:3703:5163
55.3.81.100 0:0:0:0:0:ffff:3703:5164
55.3.81.101 0:0:0:0:0:ffff:3703:5165
55.3.81.102 0:0:0:0:0:ffff:3703:5166
55.3.81.103 0:0:0:0:0:ffff:3703:5167
55.3.81.104 0:0:0:0:0:ffff:3703:5168
55.3.81.105 0:0:0:0:0:ffff:3703:5169
55.3.81.106 0:0:0:0:0:ffff:3703:516a
55.3.81.107 0:0:0:0:0:ffff:3703:516b
55.3.81.108 0:0:0:0:0:ffff:3703:516c
55.3.81.109 0:0:0:0:0:ffff:3703:516d
55.3.81.110 0:0:0:0:0:ffff:3703:516e
55.3.81.111 0:0:0:0:0:ffff:3703:516f
55.3.81.112 0:0:0:0:0:ffff:3703:5170
55.3.81.113 0:0:0:0:0:ffff:3703:5171
55.3.81.114 0:0:0:0:0:ffff:3703:5172
55.3.81.115 0:0:0:0:0:ffff:3703:5173
55.3.81.116 0:0:0:0:0:ffff:3703:5174
55.3.81.117 0:0:0:0:0:ffff:3703:5175
55.3.81.118 0:0:0:0:0:ffff:3703:5176
55.3.81.119 0:0:0:0:0:ffff:3703:5177
55.3.81.120 0:0:0:0:0:ffff:3703:5178


55.3.81.121 0:0:0:0:0:ffff:3703:5179
55.3.81.122 0:0:0:0:0:ffff:3703:517a
55.3.81.123 0:0:0:0:0:ffff:3703:517b
55.3.81.124 0:0:0:0:0:ffff:3703:517c
55.3.81.125 0:0:0:0:0:ffff:3703:517d
55.3.81.126 0:0:0:0:0:ffff:3703:517e
55.3.81.127 0:0:0:0:0:ffff:3703:517f
55.3.81.128 0:0:0:0:0:ffff:3703:5180
55.3.81.129 0:0:0:0:0:ffff:3703:5181
55.3.81.130 0:0:0:0:0:ffff:3703:5182
55.3.81.131 0:0:0:0:0:ffff:3703:5183
55.3.81.132 0:0:0:0:0:ffff:3703:5184
55.3.81.133 0:0:0:0:0:ffff:3703:5185
55.3.81.134 0:0:0:0:0:ffff:3703:5186
55.3.81.135 0:0:0:0:0:ffff:3703:5187
55.3.81.136 0:0:0:0:0:ffff:3703:5188
55.3.81.137 0:0:0:0:0:ffff:3703:5189
55.3.81.138 0:0:0:0:0:ffff:3703:518a
55.3.81.139 0:0:0:0:0:ffff:3703:518b
55.3.81.140 0:0:0:0:0:ffff:3703:518c
55.3.81.141 0:0:0:0:0:ffff:3703:518d
55.3.81.142 0:0:0:0:0:ffff:3703:518e
55.3.81.143 0:0:0:0:0:ffff:3703:518f
55.3.81.144 0:0:0:0:0:ffff:3703:5190
55.3.81.145 0:0:0:0:0:ffff:3703:5191
55.3.81.146 0:0:0:0:0:ffff:3703:5192
55.3.81.147 0:0:0:0:0:ffff:3703:5193
55.3.81.148 0:0:0:0:0:ffff:3703:5194
55.3.81.149 0:0:0:0:0:ffff:3703:5195
55.3.81.150 0:0:0:0:0:ffff:3703:5196
55.3.81.151 0:0:0:0:0:ffff:3703:5197
55.3.81.152 0:0:0:0:0:ffff:3703:5198
55.3.81.153 0:0:0:0:0:ffff:3703:5199
55.3.81.154 0:0:0:0:0:ffff:3703:519a
55.3.81.155 0:0:0:0:0:ffff:3703:519b
55.3.81.156 0:0:0:0:0:ffff:3703:519c
55.3.81.157 0:0:0:0:0:ffff:3703:519d
55.3.81.158 0:0:0:0:0:ffff:3703:519e
55.3.81.159 0:0:0:0:0:ffff:3703:519f
55.3.81.160 0:0:0:0:0:ffff:3703:51a0
55.3.81.161 0:0:0:0:0:ffff:3703:51a1
55.3.81.162 0:0:0:0:0:ffff:3703:51a2
55.3.81.163 0:0:0:0:0:ffff:3703:51a3
55.3.81.164 0:0:0:0:0:ffff:3703:51a4
55.3.81.165 0:0:0:0:0:ffff:3703:51a5
55.3.81.166 0:0:0:0:0:ffff:3703:51a6
55.3.81.167 0:0:0:0:0:ffff:3703:51a7
55.3.81.168 0:0:0:0:0:ffff:3703:51a8
55.3.81.169 0:0:0:0:0:ffff:3703:51a9
55.3.81.170 0:0:0:0:0:ffff:3703:51aa
55.3.81.171 0:0:0:0:0:ffff:3703:51ab
55.3.81.172 0:0:0:0:0:ffff:3703:51ac
55.3.81.173 0:0:0:0:0:ffff:3703:51ad
55.3.81.174 0:0:0:0:0:ffff:3703:51ae
55.3.81.175 0:0:0:0:0:ffff:3703:51af
55.3.81.176 0:0:0:0:0:ffff:3703:51b0
55.3.81.177 0:0:0:0:0:ffff:3703:51b1
55.3.81.178 0:0:0:0:0:ffff:3703:51b2
55.3.81.179 0:0:0:0:0:ffff:3703:51b3
55.3.81.180 0:0:0:0:0:ffff:3703:51b4


55.3.81.181 0:0:0:0:0:ffff:3703:51b5
55.3.81.182 0:0:0:0:0:ffff:3703:51b6
55.3.81.183 0:0:0:0:0:ffff:3703:51b7
55.3.81.184 0:0:0:0:0:ffff:3703:51b8
55.3.81.185 0:0:0:0:0:ffff:3703:51b9
55.3.81.186 0:0:0:0:0:ffff:3703:51ba
55.3.81.187 0:0:0:0:0:ffff:3703:51bb
55.3.81.188 0:0:0:0:0:ffff:3703:51bc
55.3.81.189 0:0:0:0:0:ffff:3703:51bd
55.3.81.190 0:0:0:0:0:ffff:3703:51be
55.3.81.191 0:0:0:0:0:ffff:3703:51bf
55.3.81.192 0:0:0:0:0:ffff:3703:51c0
55.3.81.193 0:0:0:0:0:ffff:3703:51c1
55.3.81.194 0:0:0:0:0:ffff:3703:51c2
55.3.81.195 0:0:0:0:0:ffff:3703:51c3
55.3.81.196 0:0:0:0:0:ffff:3703:51c4
55.3.81.197 0:0:0:0:0:ffff:3703:51c5
55.3.81.198 0:0:0:0:0:ffff:3703:51c6
55.3.81.199 0:0:0:0:0:ffff:3703:51c7
55.3.81.200 0:0:0:0:0:ffff:3703:51c8
55.3.81.201 0:0:0:0:0:ffff:3703:51c9
55.3.81.202 0:0:0:0:0:ffff:3703:51ca
55.3.81.203 0:0:0:0:0:ffff:3703:51cb
55.3.81.204 0:0:0:0:0:ffff:3703:51cc
55.3.81.205 0:0:0:0:0:ffff:3703:51cd
55.3.81.206 0:0:0:0:0:ffff:3703:51ce
55.3.81.207 0:0:0:0:0:ffff:3703:51cf
55.3.81.208 0:0:0:0:0:ffff:3703:51d0
55.3.81.209 0:0:0:0:0:ffff:3703:51d1
55.3.81.210 0:0:0:0:0:ffff:3703:51d2
55.3.81.211 0:0:0:0:0:ffff:3703:51d3
55.3.81.212 0:0:0:0:0:ffff:3703:51d4
55.3.81.213 0:0:0:0:0:ffff:3703:51d5
55.3.81.214 0:0:0:0:0:ffff:3703:51d6
55.3.81.215 0:0:0:0:0:ffff:3703:51d7
55.3.81.216 0:0:0:0:0:ffff:3703:51d8
55.3.81.217 0:0:0:0:0:ffff:3703:51d9
55.3.81.218 0:0:0:0:0:ffff:3703:51da
55.3.81.219 0:0:0:0:0:ffff:3703:51db
55.3.81.220 0:0:0:0:0:ffff:3703:51dc
55.3.81.221 0:0:0:0:0:ffff:3703:51dd
55.3.81.222 0:0:0:0:0:ffff:3703:51de
55.3.81.223 0:0:0:0:0:ffff:3703:51df
55.3.81.224 0:0:0:0:0:ffff:3703:51e0
55.3.81.225 0:0:0:0:0:ffff:3703:51e1
55.3.81.226 0:0:0:0:0:ffff:3703:51e2
55.3.81.227 0:0:0:0:0:ffff:3703:51e3
55.3.81.228 0:0:0:0:0:ffff:3703:51e4
55.3.81.229 0:0:0:0:0:ffff:3703:51e5
55.3.81.230 0:0:0:0:0:ffff:3703:51e6
55.3.81.231 0:0:0:0:0:ffff:3703:51e7
55.3.81.232 0:0:0:0:0:ffff:3703:51e8
55.3.81.233 0:0:0:0:0:ffff:3703:51e9
55.3.81.234 0:0:0:0:0:ffff:3703:51ea
55.3.81.235 0:0:0:0:0:ffff:3703:51eb
55.3.81.236 0:0:0:0:0:ffff:3703:51ec
55.3.81.237 0:0:0:0:0:ffff:3703:51ed
55.3.81.238 0:0:0:0:0:ffff:3703:51ee
55.3.81.239 0:0:0:0:0:ffff:3703:51ef
55.3.81.240 0:0:0:0:0:ffff:3703:51f0
55.3.81.241 0:0:0:0:0:ffff:3703:51f1
55.3.81.242 0:0:0:0:0:ffff:3703:51f2
55.3.81.243 0:0:0:0:0:ffff:3703:51f3
55.3.81.244 0:0:0:0:0:ffff:3703:51f4
55.3.81.245 0:0:0:0:0:ffff:3703:51f5
55.3.81.246 0:0:0:0:0:ffff:3703:51f6
55.3.81.247 0:0:0:0:0:ffff:3703:51f7
55.3.81.248 0:0:0:0:0:ffff:3703:51f8
55.3.81.249 0:0:0:0:0:ffff:3703:51f9
55.3.81.250 0:0:0:0:0:ffff:3703:51fa
55.3.81.251 0:0:0:0:0:ffff:3703:51fb
55.3.81.252 0:0:0:0:0:ffff:3703:51fc
55.3.81.253 0:0:0:0:0:ffff:3703:51fd
55.3.81.254 0:0:0:0:0:ffff:3703:51fe
55.3.81.255 0:0:0:0:0:ffff:3703:51ff


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.