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
65.121.97.1 0:0:0:0:0:ffff:4179:6101
65.121.97.2 0:0:0:0:0:ffff:4179:6102
65.121.97.3 0:0:0:0:0:ffff:4179:6103
65.121.97.4 0:0:0:0:0:ffff:4179:6104
65.121.97.5 0:0:0:0:0:ffff:4179:6105
65.121.97.6 0:0:0:0:0:ffff:4179:6106
65.121.97.7 0:0:0:0:0:ffff:4179:6107
65.121.97.8 0:0:0:0:0:ffff:4179:6108
65.121.97.9 0:0:0:0:0:ffff:4179:6109
65.121.97.10 0:0:0:0:0:ffff:4179:610a
65.121.97.11 0:0:0:0:0:ffff:4179:610b
65.121.97.12 0:0:0:0:0:ffff:4179:610c
65.121.97.13 0:0:0:0:0:ffff:4179:610d
65.121.97.14 0:0:0:0:0:ffff:4179:610e
65.121.97.15 0:0:0:0:0:ffff:4179:610f
65.121.97.16 0:0:0:0:0:ffff:4179:6110
65.121.97.17 0:0:0:0:0:ffff:4179:6111
65.121.97.18 0:0:0:0:0:ffff:4179:6112
65.121.97.19 0:0:0:0:0:ffff:4179:6113
65.121.97.20 0:0:0:0:0:ffff:4179:6114
65.121.97.21 0:0:0:0:0:ffff:4179:6115
65.121.97.22 0:0:0:0:0:ffff:4179:6116
65.121.97.23 0:0:0:0:0:ffff:4179:6117
65.121.97.24 0:0:0:0:0:ffff:4179:6118
65.121.97.25 0:0:0:0:0:ffff:4179:6119
65.121.97.26 0:0:0:0:0:ffff:4179:611a
65.121.97.27 0:0:0:0:0:ffff:4179:611b
65.121.97.28 0:0:0:0:0:ffff:4179:611c
65.121.97.29 0:0:0:0:0:ffff:4179:611d
65.121.97.30 0:0:0:0:0:ffff:4179:611e
65.121.97.31 0:0:0:0:0:ffff:4179:611f
65.121.97.32 0:0:0:0:0:ffff:4179:6120
65.121.97.33 0:0:0:0:0:ffff:4179:6121
65.121.97.34 0:0:0:0:0:ffff:4179:6122
65.121.97.35 0:0:0:0:0:ffff:4179:6123
65.121.97.36 0:0:0:0:0:ffff:4179:6124
65.121.97.37 0:0:0:0:0:ffff:4179:6125
65.121.97.38 0:0:0:0:0:ffff:4179:6126
65.121.97.39 0:0:0:0:0:ffff:4179:6127
65.121.97.40 0:0:0:0:0:ffff:4179:6128
65.121.97.41 0:0:0:0:0:ffff:4179:6129
65.121.97.42 0:0:0:0:0:ffff:4179:612a
65.121.97.43 0:0:0:0:0:ffff:4179:612b
65.121.97.44 0:0:0:0:0:ffff:4179:612c
65.121.97.45 0:0:0:0:0:ffff:4179:612d
65.121.97.46 0:0:0:0:0:ffff:4179:612e
65.121.97.47 0:0:0:0:0:ffff:4179:612f
65.121.97.48 0:0:0:0:0:ffff:4179:6130
65.121.97.49 0:0:0:0:0:ffff:4179:6131
65.121.97.50 0:0:0:0:0:ffff:4179:6132
65.121.97.51 0:0:0:0:0:ffff:4179:6133
65.121.97.52 0:0:0:0:0:ffff:4179:6134
65.121.97.53 0:0:0:0:0:ffff:4179:6135
65.121.97.54 0:0:0:0:0:ffff:4179:6136
65.121.97.55 0:0:0:0:0:ffff:4179:6137
65.121.97.56 0:0:0:0:0:ffff:4179:6138
65.121.97.57 0:0:0:0:0:ffff:4179:6139
65.121.97.58 0:0:0:0:0:ffff:4179:613a
65.121.97.59 0:0:0:0:0:ffff:4179:613b
65.121.97.60 0:0:0:0:0:ffff:4179:613c


65.121.97.61 0:0:0:0:0:ffff:4179:613d
65.121.97.62 0:0:0:0:0:ffff:4179:613e
65.121.97.63 0:0:0:0:0:ffff:4179:613f
65.121.97.64 0:0:0:0:0:ffff:4179:6140
65.121.97.65 0:0:0:0:0:ffff:4179:6141
65.121.97.66 0:0:0:0:0:ffff:4179:6142
65.121.97.67 0:0:0:0:0:ffff:4179:6143
65.121.97.68 0:0:0:0:0:ffff:4179:6144
65.121.97.69 0:0:0:0:0:ffff:4179:6145
65.121.97.70 0:0:0:0:0:ffff:4179:6146
65.121.97.71 0:0:0:0:0:ffff:4179:6147
65.121.97.72 0:0:0:0:0:ffff:4179:6148
65.121.97.73 0:0:0:0:0:ffff:4179:6149
65.121.97.74 0:0:0:0:0:ffff:4179:614a
65.121.97.75 0:0:0:0:0:ffff:4179:614b
65.121.97.76 0:0:0:0:0:ffff:4179:614c
65.121.97.77 0:0:0:0:0:ffff:4179:614d
65.121.97.78 0:0:0:0:0:ffff:4179:614e
65.121.97.79 0:0:0:0:0:ffff:4179:614f
65.121.97.80 0:0:0:0:0:ffff:4179:6150
65.121.97.81 0:0:0:0:0:ffff:4179:6151
65.121.97.82 0:0:0:0:0:ffff:4179:6152
65.121.97.83 0:0:0:0:0:ffff:4179:6153
65.121.97.84 0:0:0:0:0:ffff:4179:6154
65.121.97.85 0:0:0:0:0:ffff:4179:6155
65.121.97.86 0:0:0:0:0:ffff:4179:6156
65.121.97.87 0:0:0:0:0:ffff:4179:6157
65.121.97.88 0:0:0:0:0:ffff:4179:6158
65.121.97.89 0:0:0:0:0:ffff:4179:6159
65.121.97.90 0:0:0:0:0:ffff:4179:615a
65.121.97.91 0:0:0:0:0:ffff:4179:615b
65.121.97.92 0:0:0:0:0:ffff:4179:615c
65.121.97.93 0:0:0:0:0:ffff:4179:615d
65.121.97.94 0:0:0:0:0:ffff:4179:615e
65.121.97.95 0:0:0:0:0:ffff:4179:615f
65.121.97.96 0:0:0:0:0:ffff:4179:6160
65.121.97.97 0:0:0:0:0:ffff:4179:6161
65.121.97.98 0:0:0:0:0:ffff:4179:6162
65.121.97.99 0:0:0:0:0:ffff:4179:6163
65.121.97.100 0:0:0:0:0:ffff:4179:6164
65.121.97.101 0:0:0:0:0:ffff:4179:6165
65.121.97.102 0:0:0:0:0:ffff:4179:6166
65.121.97.103 0:0:0:0:0:ffff:4179:6167
65.121.97.104 0:0:0:0:0:ffff:4179:6168
65.121.97.105 0:0:0:0:0:ffff:4179:6169
65.121.97.106 0:0:0:0:0:ffff:4179:616a
65.121.97.107 0:0:0:0:0:ffff:4179:616b
65.121.97.108 0:0:0:0:0:ffff:4179:616c
65.121.97.109 0:0:0:0:0:ffff:4179:616d
65.121.97.110 0:0:0:0:0:ffff:4179:616e
65.121.97.111 0:0:0:0:0:ffff:4179:616f
65.121.97.112 0:0:0:0:0:ffff:4179:6170
65.121.97.113 0:0:0:0:0:ffff:4179:6171
65.121.97.114 0:0:0:0:0:ffff:4179:6172
65.121.97.115 0:0:0:0:0:ffff:4179:6173
65.121.97.116 0:0:0:0:0:ffff:4179:6174
65.121.97.117 0:0:0:0:0:ffff:4179:6175
65.121.97.118 0:0:0:0:0:ffff:4179:6176
65.121.97.119 0:0:0:0:0:ffff:4179:6177
65.121.97.120 0:0:0:0:0:ffff:4179:6178


65.121.97.121 0:0:0:0:0:ffff:4179:6179
65.121.97.122 0:0:0:0:0:ffff:4179:617a
65.121.97.123 0:0:0:0:0:ffff:4179:617b
65.121.97.124 0:0:0:0:0:ffff:4179:617c
65.121.97.125 0:0:0:0:0:ffff:4179:617d
65.121.97.126 0:0:0:0:0:ffff:4179:617e
65.121.97.127 0:0:0:0:0:ffff:4179:617f
65.121.97.128 0:0:0:0:0:ffff:4179:6180
65.121.97.129 0:0:0:0:0:ffff:4179:6181
65.121.97.130 0:0:0:0:0:ffff:4179:6182
65.121.97.131 0:0:0:0:0:ffff:4179:6183
65.121.97.132 0:0:0:0:0:ffff:4179:6184
65.121.97.133 0:0:0:0:0:ffff:4179:6185
65.121.97.134 0:0:0:0:0:ffff:4179:6186
65.121.97.135 0:0:0:0:0:ffff:4179:6187
65.121.97.136 0:0:0:0:0:ffff:4179:6188
65.121.97.137 0:0:0:0:0:ffff:4179:6189
65.121.97.138 0:0:0:0:0:ffff:4179:618a
65.121.97.139 0:0:0:0:0:ffff:4179:618b
65.121.97.140 0:0:0:0:0:ffff:4179:618c
65.121.97.141 0:0:0:0:0:ffff:4179:618d
65.121.97.142 0:0:0:0:0:ffff:4179:618e
65.121.97.143 0:0:0:0:0:ffff:4179:618f
65.121.97.144 0:0:0:0:0:ffff:4179:6190
65.121.97.145 0:0:0:0:0:ffff:4179:6191
65.121.97.146 0:0:0:0:0:ffff:4179:6192
65.121.97.147 0:0:0:0:0:ffff:4179:6193
65.121.97.148 0:0:0:0:0:ffff:4179:6194
65.121.97.149 0:0:0:0:0:ffff:4179:6195
65.121.97.150 0:0:0:0:0:ffff:4179:6196
65.121.97.151 0:0:0:0:0:ffff:4179:6197
65.121.97.152 0:0:0:0:0:ffff:4179:6198
65.121.97.153 0:0:0:0:0:ffff:4179:6199
65.121.97.154 0:0:0:0:0:ffff:4179:619a
65.121.97.155 0:0:0:0:0:ffff:4179:619b
65.121.97.156 0:0:0:0:0:ffff:4179:619c
65.121.97.157 0:0:0:0:0:ffff:4179:619d
65.121.97.158 0:0:0:0:0:ffff:4179:619e
65.121.97.159 0:0:0:0:0:ffff:4179:619f
65.121.97.160 0:0:0:0:0:ffff:4179:61a0
65.121.97.161 0:0:0:0:0:ffff:4179:61a1
65.121.97.162 0:0:0:0:0:ffff:4179:61a2
65.121.97.163 0:0:0:0:0:ffff:4179:61a3
65.121.97.164 0:0:0:0:0:ffff:4179:61a4
65.121.97.165 0:0:0:0:0:ffff:4179:61a5
65.121.97.166 0:0:0:0:0:ffff:4179:61a6
65.121.97.167 0:0:0:0:0:ffff:4179:61a7
65.121.97.168 0:0:0:0:0:ffff:4179:61a8
65.121.97.169 0:0:0:0:0:ffff:4179:61a9
65.121.97.170 0:0:0:0:0:ffff:4179:61aa
65.121.97.171 0:0:0:0:0:ffff:4179:61ab
65.121.97.172 0:0:0:0:0:ffff:4179:61ac
65.121.97.173 0:0:0:0:0:ffff:4179:61ad
65.121.97.174 0:0:0:0:0:ffff:4179:61ae
65.121.97.175 0:0:0:0:0:ffff:4179:61af
65.121.97.176 0:0:0:0:0:ffff:4179:61b0
65.121.97.177 0:0:0:0:0:ffff:4179:61b1
65.121.97.178 0:0:0:0:0:ffff:4179:61b2
65.121.97.179 0:0:0:0:0:ffff:4179:61b3
65.121.97.180 0:0:0:0:0:ffff:4179:61b4


65.121.97.181 0:0:0:0:0:ffff:4179:61b5
65.121.97.182 0:0:0:0:0:ffff:4179:61b6
65.121.97.183 0:0:0:0:0:ffff:4179:61b7
65.121.97.184 0:0:0:0:0:ffff:4179:61b8
65.121.97.185 0:0:0:0:0:ffff:4179:61b9
65.121.97.186 0:0:0:0:0:ffff:4179:61ba
65.121.97.187 0:0:0:0:0:ffff:4179:61bb
65.121.97.188 0:0:0:0:0:ffff:4179:61bc
65.121.97.189 0:0:0:0:0:ffff:4179:61bd
65.121.97.190 0:0:0:0:0:ffff:4179:61be
65.121.97.191 0:0:0:0:0:ffff:4179:61bf
65.121.97.192 0:0:0:0:0:ffff:4179:61c0
65.121.97.193 0:0:0:0:0:ffff:4179:61c1
65.121.97.194 0:0:0:0:0:ffff:4179:61c2
65.121.97.195 0:0:0:0:0:ffff:4179:61c3
65.121.97.196 0:0:0:0:0:ffff:4179:61c4
65.121.97.197 0:0:0:0:0:ffff:4179:61c5
65.121.97.198 0:0:0:0:0:ffff:4179:61c6
65.121.97.199 0:0:0:0:0:ffff:4179:61c7
65.121.97.200 0:0:0:0:0:ffff:4179:61c8
65.121.97.201 0:0:0:0:0:ffff:4179:61c9
65.121.97.202 0:0:0:0:0:ffff:4179:61ca
65.121.97.203 0:0:0:0:0:ffff:4179:61cb
65.121.97.204 0:0:0:0:0:ffff:4179:61cc
65.121.97.205 0:0:0:0:0:ffff:4179:61cd
65.121.97.206 0:0:0:0:0:ffff:4179:61ce
65.121.97.207 0:0:0:0:0:ffff:4179:61cf
65.121.97.208 0:0:0:0:0:ffff:4179:61d0
65.121.97.209 0:0:0:0:0:ffff:4179:61d1
65.121.97.210 0:0:0:0:0:ffff:4179:61d2
65.121.97.211 0:0:0:0:0:ffff:4179:61d3
65.121.97.212 0:0:0:0:0:ffff:4179:61d4
65.121.97.213 0:0:0:0:0:ffff:4179:61d5
65.121.97.214 0:0:0:0:0:ffff:4179:61d6
65.121.97.215 0:0:0:0:0:ffff:4179:61d7
65.121.97.216 0:0:0:0:0:ffff:4179:61d8
65.121.97.217 0:0:0:0:0:ffff:4179:61d9
65.121.97.218 0:0:0:0:0:ffff:4179:61da
65.121.97.219 0:0:0:0:0:ffff:4179:61db
65.121.97.220 0:0:0:0:0:ffff:4179:61dc
65.121.97.221 0:0:0:0:0:ffff:4179:61dd
65.121.97.222 0:0:0:0:0:ffff:4179:61de
65.121.97.223 0:0:0:0:0:ffff:4179:61df
65.121.97.224 0:0:0:0:0:ffff:4179:61e0
65.121.97.225 0:0:0:0:0:ffff:4179:61e1
65.121.97.226 0:0:0:0:0:ffff:4179:61e2
65.121.97.227 0:0:0:0:0:ffff:4179:61e3
65.121.97.228 0:0:0:0:0:ffff:4179:61e4
65.121.97.229 0:0:0:0:0:ffff:4179:61e5
65.121.97.230 0:0:0:0:0:ffff:4179:61e6
65.121.97.231 0:0:0:0:0:ffff:4179:61e7
65.121.97.232 0:0:0:0:0:ffff:4179:61e8
65.121.97.233 0:0:0:0:0:ffff:4179:61e9
65.121.97.234 0:0:0:0:0:ffff:4179:61ea
65.121.97.235 0:0:0:0:0:ffff:4179:61eb
65.121.97.236 0:0:0:0:0:ffff:4179:61ec
65.121.97.237 0:0:0:0:0:ffff:4179:61ed
65.121.97.238 0:0:0:0:0:ffff:4179:61ee
65.121.97.239 0:0:0:0:0:ffff:4179:61ef
65.121.97.240 0:0:0:0:0:ffff:4179:61f0
65.121.97.241 0:0:0:0:0:ffff:4179:61f1
65.121.97.242 0:0:0:0:0:ffff:4179:61f2
65.121.97.243 0:0:0:0:0:ffff:4179:61f3
65.121.97.244 0:0:0:0:0:ffff:4179:61f4
65.121.97.245 0:0:0:0:0:ffff:4179:61f5
65.121.97.246 0:0:0:0:0:ffff:4179:61f6
65.121.97.247 0:0:0:0:0:ffff:4179:61f7
65.121.97.248 0:0:0:0:0:ffff:4179:61f8
65.121.97.249 0:0:0:0:0:ffff:4179:61f9
65.121.97.250 0:0:0:0:0:ffff:4179:61fa
65.121.97.251 0:0:0:0:0:ffff:4179:61fb
65.121.97.252 0:0:0:0:0:ffff:4179:61fc
65.121.97.253 0:0:0:0:0:ffff:4179:61fd
65.121.97.254 0:0:0:0:0:ffff:4179:61fe
65.121.97.255 0:0:0:0:0:ffff:4179:61ff


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.