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
127.57.81.1 0:0:0:0:0:ffff:7f39:5101
127.57.81.2 0:0:0:0:0:ffff:7f39:5102
127.57.81.3 0:0:0:0:0:ffff:7f39:5103
127.57.81.4 0:0:0:0:0:ffff:7f39:5104
127.57.81.5 0:0:0:0:0:ffff:7f39:5105
127.57.81.6 0:0:0:0:0:ffff:7f39:5106
127.57.81.7 0:0:0:0:0:ffff:7f39:5107
127.57.81.8 0:0:0:0:0:ffff:7f39:5108
127.57.81.9 0:0:0:0:0:ffff:7f39:5109
127.57.81.10 0:0:0:0:0:ffff:7f39:510a
127.57.81.11 0:0:0:0:0:ffff:7f39:510b
127.57.81.12 0:0:0:0:0:ffff:7f39:510c
127.57.81.13 0:0:0:0:0:ffff:7f39:510d
127.57.81.14 0:0:0:0:0:ffff:7f39:510e
127.57.81.15 0:0:0:0:0:ffff:7f39:510f
127.57.81.16 0:0:0:0:0:ffff:7f39:5110
127.57.81.17 0:0:0:0:0:ffff:7f39:5111
127.57.81.18 0:0:0:0:0:ffff:7f39:5112
127.57.81.19 0:0:0:0:0:ffff:7f39:5113
127.57.81.20 0:0:0:0:0:ffff:7f39:5114
127.57.81.21 0:0:0:0:0:ffff:7f39:5115
127.57.81.22 0:0:0:0:0:ffff:7f39:5116
127.57.81.23 0:0:0:0:0:ffff:7f39:5117
127.57.81.24 0:0:0:0:0:ffff:7f39:5118
127.57.81.25 0:0:0:0:0:ffff:7f39:5119
127.57.81.26 0:0:0:0:0:ffff:7f39:511a
127.57.81.27 0:0:0:0:0:ffff:7f39:511b
127.57.81.28 0:0:0:0:0:ffff:7f39:511c
127.57.81.29 0:0:0:0:0:ffff:7f39:511d
127.57.81.30 0:0:0:0:0:ffff:7f39:511e
127.57.81.31 0:0:0:0:0:ffff:7f39:511f
127.57.81.32 0:0:0:0:0:ffff:7f39:5120
127.57.81.33 0:0:0:0:0:ffff:7f39:5121
127.57.81.34 0:0:0:0:0:ffff:7f39:5122
127.57.81.35 0:0:0:0:0:ffff:7f39:5123
127.57.81.36 0:0:0:0:0:ffff:7f39:5124
127.57.81.37 0:0:0:0:0:ffff:7f39:5125
127.57.81.38 0:0:0:0:0:ffff:7f39:5126
127.57.81.39 0:0:0:0:0:ffff:7f39:5127
127.57.81.40 0:0:0:0:0:ffff:7f39:5128
127.57.81.41 0:0:0:0:0:ffff:7f39:5129
127.57.81.42 0:0:0:0:0:ffff:7f39:512a
127.57.81.43 0:0:0:0:0:ffff:7f39:512b
127.57.81.44 0:0:0:0:0:ffff:7f39:512c
127.57.81.45 0:0:0:0:0:ffff:7f39:512d
127.57.81.46 0:0:0:0:0:ffff:7f39:512e
127.57.81.47 0:0:0:0:0:ffff:7f39:512f
127.57.81.48 0:0:0:0:0:ffff:7f39:5130
127.57.81.49 0:0:0:0:0:ffff:7f39:5131
127.57.81.50 0:0:0:0:0:ffff:7f39:5132
127.57.81.51 0:0:0:0:0:ffff:7f39:5133
127.57.81.52 0:0:0:0:0:ffff:7f39:5134
127.57.81.53 0:0:0:0:0:ffff:7f39:5135
127.57.81.54 0:0:0:0:0:ffff:7f39:5136
127.57.81.55 0:0:0:0:0:ffff:7f39:5137
127.57.81.56 0:0:0:0:0:ffff:7f39:5138
127.57.81.57 0:0:0:0:0:ffff:7f39:5139
127.57.81.58 0:0:0:0:0:ffff:7f39:513a
127.57.81.59 0:0:0:0:0:ffff:7f39:513b
127.57.81.60 0:0:0:0:0:ffff:7f39:513c


127.57.81.61 0:0:0:0:0:ffff:7f39:513d
127.57.81.62 0:0:0:0:0:ffff:7f39:513e
127.57.81.63 0:0:0:0:0:ffff:7f39:513f
127.57.81.64 0:0:0:0:0:ffff:7f39:5140
127.57.81.65 0:0:0:0:0:ffff:7f39:5141
127.57.81.66 0:0:0:0:0:ffff:7f39:5142
127.57.81.67 0:0:0:0:0:ffff:7f39:5143
127.57.81.68 0:0:0:0:0:ffff:7f39:5144
127.57.81.69 0:0:0:0:0:ffff:7f39:5145
127.57.81.70 0:0:0:0:0:ffff:7f39:5146
127.57.81.71 0:0:0:0:0:ffff:7f39:5147
127.57.81.72 0:0:0:0:0:ffff:7f39:5148
127.57.81.73 0:0:0:0:0:ffff:7f39:5149
127.57.81.74 0:0:0:0:0:ffff:7f39:514a
127.57.81.75 0:0:0:0:0:ffff:7f39:514b
127.57.81.76 0:0:0:0:0:ffff:7f39:514c
127.57.81.77 0:0:0:0:0:ffff:7f39:514d
127.57.81.78 0:0:0:0:0:ffff:7f39:514e
127.57.81.79 0:0:0:0:0:ffff:7f39:514f
127.57.81.80 0:0:0:0:0:ffff:7f39:5150
127.57.81.81 0:0:0:0:0:ffff:7f39:5151
127.57.81.82 0:0:0:0:0:ffff:7f39:5152
127.57.81.83 0:0:0:0:0:ffff:7f39:5153
127.57.81.84 0:0:0:0:0:ffff:7f39:5154
127.57.81.85 0:0:0:0:0:ffff:7f39:5155
127.57.81.86 0:0:0:0:0:ffff:7f39:5156
127.57.81.87 0:0:0:0:0:ffff:7f39:5157
127.57.81.88 0:0:0:0:0:ffff:7f39:5158
127.57.81.89 0:0:0:0:0:ffff:7f39:5159
127.57.81.90 0:0:0:0:0:ffff:7f39:515a
127.57.81.91 0:0:0:0:0:ffff:7f39:515b
127.57.81.92 0:0:0:0:0:ffff:7f39:515c
127.57.81.93 0:0:0:0:0:ffff:7f39:515d
127.57.81.94 0:0:0:0:0:ffff:7f39:515e
127.57.81.95 0:0:0:0:0:ffff:7f39:515f
127.57.81.96 0:0:0:0:0:ffff:7f39:5160
127.57.81.97 0:0:0:0:0:ffff:7f39:5161
127.57.81.98 0:0:0:0:0:ffff:7f39:5162
127.57.81.99 0:0:0:0:0:ffff:7f39:5163
127.57.81.100 0:0:0:0:0:ffff:7f39:5164
127.57.81.101 0:0:0:0:0:ffff:7f39:5165
127.57.81.102 0:0:0:0:0:ffff:7f39:5166
127.57.81.103 0:0:0:0:0:ffff:7f39:5167
127.57.81.104 0:0:0:0:0:ffff:7f39:5168
127.57.81.105 0:0:0:0:0:ffff:7f39:5169
127.57.81.106 0:0:0:0:0:ffff:7f39:516a
127.57.81.107 0:0:0:0:0:ffff:7f39:516b
127.57.81.108 0:0:0:0:0:ffff:7f39:516c
127.57.81.109 0:0:0:0:0:ffff:7f39:516d
127.57.81.110 0:0:0:0:0:ffff:7f39:516e
127.57.81.111 0:0:0:0:0:ffff:7f39:516f
127.57.81.112 0:0:0:0:0:ffff:7f39:5170
127.57.81.113 0:0:0:0:0:ffff:7f39:5171
127.57.81.114 0:0:0:0:0:ffff:7f39:5172
127.57.81.115 0:0:0:0:0:ffff:7f39:5173
127.57.81.116 0:0:0:0:0:ffff:7f39:5174
127.57.81.117 0:0:0:0:0:ffff:7f39:5175
127.57.81.118 0:0:0:0:0:ffff:7f39:5176
127.57.81.119 0:0:0:0:0:ffff:7f39:5177
127.57.81.120 0:0:0:0:0:ffff:7f39:5178


127.57.81.121 0:0:0:0:0:ffff:7f39:5179
127.57.81.122 0:0:0:0:0:ffff:7f39:517a
127.57.81.123 0:0:0:0:0:ffff:7f39:517b
127.57.81.124 0:0:0:0:0:ffff:7f39:517c
127.57.81.125 0:0:0:0:0:ffff:7f39:517d
127.57.81.126 0:0:0:0:0:ffff:7f39:517e
127.57.81.127 0:0:0:0:0:ffff:7f39:517f
127.57.81.128 0:0:0:0:0:ffff:7f39:5180
127.57.81.129 0:0:0:0:0:ffff:7f39:5181
127.57.81.130 0:0:0:0:0:ffff:7f39:5182
127.57.81.131 0:0:0:0:0:ffff:7f39:5183
127.57.81.132 0:0:0:0:0:ffff:7f39:5184
127.57.81.133 0:0:0:0:0:ffff:7f39:5185
127.57.81.134 0:0:0:0:0:ffff:7f39:5186
127.57.81.135 0:0:0:0:0:ffff:7f39:5187
127.57.81.136 0:0:0:0:0:ffff:7f39:5188
127.57.81.137 0:0:0:0:0:ffff:7f39:5189
127.57.81.138 0:0:0:0:0:ffff:7f39:518a
127.57.81.139 0:0:0:0:0:ffff:7f39:518b
127.57.81.140 0:0:0:0:0:ffff:7f39:518c
127.57.81.141 0:0:0:0:0:ffff:7f39:518d
127.57.81.142 0:0:0:0:0:ffff:7f39:518e
127.57.81.143 0:0:0:0:0:ffff:7f39:518f
127.57.81.144 0:0:0:0:0:ffff:7f39:5190
127.57.81.145 0:0:0:0:0:ffff:7f39:5191
127.57.81.146 0:0:0:0:0:ffff:7f39:5192
127.57.81.147 0:0:0:0:0:ffff:7f39:5193
127.57.81.148 0:0:0:0:0:ffff:7f39:5194
127.57.81.149 0:0:0:0:0:ffff:7f39:5195
127.57.81.150 0:0:0:0:0:ffff:7f39:5196
127.57.81.151 0:0:0:0:0:ffff:7f39:5197
127.57.81.152 0:0:0:0:0:ffff:7f39:5198
127.57.81.153 0:0:0:0:0:ffff:7f39:5199
127.57.81.154 0:0:0:0:0:ffff:7f39:519a
127.57.81.155 0:0:0:0:0:ffff:7f39:519b
127.57.81.156 0:0:0:0:0:ffff:7f39:519c
127.57.81.157 0:0:0:0:0:ffff:7f39:519d
127.57.81.158 0:0:0:0:0:ffff:7f39:519e
127.57.81.159 0:0:0:0:0:ffff:7f39:519f
127.57.81.160 0:0:0:0:0:ffff:7f39:51a0
127.57.81.161 0:0:0:0:0:ffff:7f39:51a1
127.57.81.162 0:0:0:0:0:ffff:7f39:51a2
127.57.81.163 0:0:0:0:0:ffff:7f39:51a3
127.57.81.164 0:0:0:0:0:ffff:7f39:51a4
127.57.81.165 0:0:0:0:0:ffff:7f39:51a5
127.57.81.166 0:0:0:0:0:ffff:7f39:51a6
127.57.81.167 0:0:0:0:0:ffff:7f39:51a7
127.57.81.168 0:0:0:0:0:ffff:7f39:51a8
127.57.81.169 0:0:0:0:0:ffff:7f39:51a9
127.57.81.170 0:0:0:0:0:ffff:7f39:51aa
127.57.81.171 0:0:0:0:0:ffff:7f39:51ab
127.57.81.172 0:0:0:0:0:ffff:7f39:51ac
127.57.81.173 0:0:0:0:0:ffff:7f39:51ad
127.57.81.174 0:0:0:0:0:ffff:7f39:51ae
127.57.81.175 0:0:0:0:0:ffff:7f39:51af
127.57.81.176 0:0:0:0:0:ffff:7f39:51b0
127.57.81.177 0:0:0:0:0:ffff:7f39:51b1
127.57.81.178 0:0:0:0:0:ffff:7f39:51b2
127.57.81.179 0:0:0:0:0:ffff:7f39:51b3
127.57.81.180 0:0:0:0:0:ffff:7f39:51b4


127.57.81.181 0:0:0:0:0:ffff:7f39:51b5
127.57.81.182 0:0:0:0:0:ffff:7f39:51b6
127.57.81.183 0:0:0:0:0:ffff:7f39:51b7
127.57.81.184 0:0:0:0:0:ffff:7f39:51b8
127.57.81.185 0:0:0:0:0:ffff:7f39:51b9
127.57.81.186 0:0:0:0:0:ffff:7f39:51ba
127.57.81.187 0:0:0:0:0:ffff:7f39:51bb
127.57.81.188 0:0:0:0:0:ffff:7f39:51bc
127.57.81.189 0:0:0:0:0:ffff:7f39:51bd
127.57.81.190 0:0:0:0:0:ffff:7f39:51be
127.57.81.191 0:0:0:0:0:ffff:7f39:51bf
127.57.81.192 0:0:0:0:0:ffff:7f39:51c0
127.57.81.193 0:0:0:0:0:ffff:7f39:51c1
127.57.81.194 0:0:0:0:0:ffff:7f39:51c2
127.57.81.195 0:0:0:0:0:ffff:7f39:51c3
127.57.81.196 0:0:0:0:0:ffff:7f39:51c4
127.57.81.197 0:0:0:0:0:ffff:7f39:51c5
127.57.81.198 0:0:0:0:0:ffff:7f39:51c6
127.57.81.199 0:0:0:0:0:ffff:7f39:51c7
127.57.81.200 0:0:0:0:0:ffff:7f39:51c8
127.57.81.201 0:0:0:0:0:ffff:7f39:51c9
127.57.81.202 0:0:0:0:0:ffff:7f39:51ca
127.57.81.203 0:0:0:0:0:ffff:7f39:51cb
127.57.81.204 0:0:0:0:0:ffff:7f39:51cc
127.57.81.205 0:0:0:0:0:ffff:7f39:51cd
127.57.81.206 0:0:0:0:0:ffff:7f39:51ce
127.57.81.207 0:0:0:0:0:ffff:7f39:51cf
127.57.81.208 0:0:0:0:0:ffff:7f39:51d0
127.57.81.209 0:0:0:0:0:ffff:7f39:51d1
127.57.81.210 0:0:0:0:0:ffff:7f39:51d2
127.57.81.211 0:0:0:0:0:ffff:7f39:51d3
127.57.81.212 0:0:0:0:0:ffff:7f39:51d4
127.57.81.213 0:0:0:0:0:ffff:7f39:51d5
127.57.81.214 0:0:0:0:0:ffff:7f39:51d6
127.57.81.215 0:0:0:0:0:ffff:7f39:51d7
127.57.81.216 0:0:0:0:0:ffff:7f39:51d8
127.57.81.217 0:0:0:0:0:ffff:7f39:51d9
127.57.81.218 0:0:0:0:0:ffff:7f39:51da
127.57.81.219 0:0:0:0:0:ffff:7f39:51db
127.57.81.220 0:0:0:0:0:ffff:7f39:51dc
127.57.81.221 0:0:0:0:0:ffff:7f39:51dd
127.57.81.222 0:0:0:0:0:ffff:7f39:51de
127.57.81.223 0:0:0:0:0:ffff:7f39:51df
127.57.81.224 0:0:0:0:0:ffff:7f39:51e0
127.57.81.225 0:0:0:0:0:ffff:7f39:51e1
127.57.81.226 0:0:0:0:0:ffff:7f39:51e2
127.57.81.227 0:0:0:0:0:ffff:7f39:51e3
127.57.81.228 0:0:0:0:0:ffff:7f39:51e4
127.57.81.229 0:0:0:0:0:ffff:7f39:51e5
127.57.81.230 0:0:0:0:0:ffff:7f39:51e6
127.57.81.231 0:0:0:0:0:ffff:7f39:51e7
127.57.81.232 0:0:0:0:0:ffff:7f39:51e8
127.57.81.233 0:0:0:0:0:ffff:7f39:51e9
127.57.81.234 0:0:0:0:0:ffff:7f39:51ea
127.57.81.235 0:0:0:0:0:ffff:7f39:51eb
127.57.81.236 0:0:0:0:0:ffff:7f39:51ec
127.57.81.237 0:0:0:0:0:ffff:7f39:51ed
127.57.81.238 0:0:0:0:0:ffff:7f39:51ee
127.57.81.239 0:0:0:0:0:ffff:7f39:51ef
127.57.81.240 0:0:0:0:0:ffff:7f39:51f0
127.57.81.241 0:0:0:0:0:ffff:7f39:51f1
127.57.81.242 0:0:0:0:0:ffff:7f39:51f2
127.57.81.243 0:0:0:0:0:ffff:7f39:51f3
127.57.81.244 0:0:0:0:0:ffff:7f39:51f4
127.57.81.245 0:0:0:0:0:ffff:7f39:51f5
127.57.81.246 0:0:0:0:0:ffff:7f39:51f6
127.57.81.247 0:0:0:0:0:ffff:7f39:51f7
127.57.81.248 0:0:0:0:0:ffff:7f39:51f8
127.57.81.249 0:0:0:0:0:ffff:7f39:51f9
127.57.81.250 0:0:0:0:0:ffff:7f39:51fa
127.57.81.251 0:0:0:0:0:ffff:7f39:51fb
127.57.81.252 0:0:0:0:0:ffff:7f39:51fc
127.57.81.253 0:0:0:0:0:ffff:7f39:51fd
127.57.81.254 0:0:0:0:0:ffff:7f39:51fe
127.57.81.255 0:0:0:0:0:ffff:7f39:51ff


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.