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
65.121.177.1 0:0:0:0:0:ffff:4179:b101
65.121.177.2 0:0:0:0:0:ffff:4179:b102
65.121.177.3 0:0:0:0:0:ffff:4179:b103
65.121.177.4 0:0:0:0:0:ffff:4179:b104
65.121.177.5 0:0:0:0:0:ffff:4179:b105
65.121.177.6 0:0:0:0:0:ffff:4179:b106
65.121.177.7 0:0:0:0:0:ffff:4179:b107
65.121.177.8 0:0:0:0:0:ffff:4179:b108
65.121.177.9 0:0:0:0:0:ffff:4179:b109
65.121.177.10 0:0:0:0:0:ffff:4179:b10a
65.121.177.11 0:0:0:0:0:ffff:4179:b10b
65.121.177.12 0:0:0:0:0:ffff:4179:b10c
65.121.177.13 0:0:0:0:0:ffff:4179:b10d
65.121.177.14 0:0:0:0:0:ffff:4179:b10e
65.121.177.15 0:0:0:0:0:ffff:4179:b10f
65.121.177.16 0:0:0:0:0:ffff:4179:b110
65.121.177.17 0:0:0:0:0:ffff:4179:b111
65.121.177.18 0:0:0:0:0:ffff:4179:b112
65.121.177.19 0:0:0:0:0:ffff:4179:b113
65.121.177.20 0:0:0:0:0:ffff:4179:b114
65.121.177.21 0:0:0:0:0:ffff:4179:b115
65.121.177.22 0:0:0:0:0:ffff:4179:b116
65.121.177.23 0:0:0:0:0:ffff:4179:b117
65.121.177.24 0:0:0:0:0:ffff:4179:b118
65.121.177.25 0:0:0:0:0:ffff:4179:b119
65.121.177.26 0:0:0:0:0:ffff:4179:b11a
65.121.177.27 0:0:0:0:0:ffff:4179:b11b
65.121.177.28 0:0:0:0:0:ffff:4179:b11c
65.121.177.29 0:0:0:0:0:ffff:4179:b11d
65.121.177.30 0:0:0:0:0:ffff:4179:b11e
65.121.177.31 0:0:0:0:0:ffff:4179:b11f
65.121.177.32 0:0:0:0:0:ffff:4179:b120
65.121.177.33 0:0:0:0:0:ffff:4179:b121
65.121.177.34 0:0:0:0:0:ffff:4179:b122
65.121.177.35 0:0:0:0:0:ffff:4179:b123
65.121.177.36 0:0:0:0:0:ffff:4179:b124
65.121.177.37 0:0:0:0:0:ffff:4179:b125
65.121.177.38 0:0:0:0:0:ffff:4179:b126
65.121.177.39 0:0:0:0:0:ffff:4179:b127
65.121.177.40 0:0:0:0:0:ffff:4179:b128
65.121.177.41 0:0:0:0:0:ffff:4179:b129
65.121.177.42 0:0:0:0:0:ffff:4179:b12a
65.121.177.43 0:0:0:0:0:ffff:4179:b12b
65.121.177.44 0:0:0:0:0:ffff:4179:b12c
65.121.177.45 0:0:0:0:0:ffff:4179:b12d
65.121.177.46 0:0:0:0:0:ffff:4179:b12e
65.121.177.47 0:0:0:0:0:ffff:4179:b12f
65.121.177.48 0:0:0:0:0:ffff:4179:b130
65.121.177.49 0:0:0:0:0:ffff:4179:b131
65.121.177.50 0:0:0:0:0:ffff:4179:b132
65.121.177.51 0:0:0:0:0:ffff:4179:b133
65.121.177.52 0:0:0:0:0:ffff:4179:b134
65.121.177.53 0:0:0:0:0:ffff:4179:b135
65.121.177.54 0:0:0:0:0:ffff:4179:b136
65.121.177.55 0:0:0:0:0:ffff:4179:b137
65.121.177.56 0:0:0:0:0:ffff:4179:b138
65.121.177.57 0:0:0:0:0:ffff:4179:b139
65.121.177.58 0:0:0:0:0:ffff:4179:b13a
65.121.177.59 0:0:0:0:0:ffff:4179:b13b
65.121.177.60 0:0:0:0:0:ffff:4179:b13c


65.121.177.61 0:0:0:0:0:ffff:4179:b13d
65.121.177.62 0:0:0:0:0:ffff:4179:b13e
65.121.177.63 0:0:0:0:0:ffff:4179:b13f
65.121.177.64 0:0:0:0:0:ffff:4179:b140
65.121.177.65 0:0:0:0:0:ffff:4179:b141
65.121.177.66 0:0:0:0:0:ffff:4179:b142
65.121.177.67 0:0:0:0:0:ffff:4179:b143
65.121.177.68 0:0:0:0:0:ffff:4179:b144
65.121.177.69 0:0:0:0:0:ffff:4179:b145
65.121.177.70 0:0:0:0:0:ffff:4179:b146
65.121.177.71 0:0:0:0:0:ffff:4179:b147
65.121.177.72 0:0:0:0:0:ffff:4179:b148
65.121.177.73 0:0:0:0:0:ffff:4179:b149
65.121.177.74 0:0:0:0:0:ffff:4179:b14a
65.121.177.75 0:0:0:0:0:ffff:4179:b14b
65.121.177.76 0:0:0:0:0:ffff:4179:b14c
65.121.177.77 0:0:0:0:0:ffff:4179:b14d
65.121.177.78 0:0:0:0:0:ffff:4179:b14e
65.121.177.79 0:0:0:0:0:ffff:4179:b14f
65.121.177.80 0:0:0:0:0:ffff:4179:b150
65.121.177.81 0:0:0:0:0:ffff:4179:b151
65.121.177.82 0:0:0:0:0:ffff:4179:b152
65.121.177.83 0:0:0:0:0:ffff:4179:b153
65.121.177.84 0:0:0:0:0:ffff:4179:b154
65.121.177.85 0:0:0:0:0:ffff:4179:b155
65.121.177.86 0:0:0:0:0:ffff:4179:b156
65.121.177.87 0:0:0:0:0:ffff:4179:b157
65.121.177.88 0:0:0:0:0:ffff:4179:b158
65.121.177.89 0:0:0:0:0:ffff:4179:b159
65.121.177.90 0:0:0:0:0:ffff:4179:b15a
65.121.177.91 0:0:0:0:0:ffff:4179:b15b
65.121.177.92 0:0:0:0:0:ffff:4179:b15c
65.121.177.93 0:0:0:0:0:ffff:4179:b15d
65.121.177.94 0:0:0:0:0:ffff:4179:b15e
65.121.177.95 0:0:0:0:0:ffff:4179:b15f
65.121.177.96 0:0:0:0:0:ffff:4179:b160
65.121.177.97 0:0:0:0:0:ffff:4179:b161
65.121.177.98 0:0:0:0:0:ffff:4179:b162
65.121.177.99 0:0:0:0:0:ffff:4179:b163
65.121.177.100 0:0:0:0:0:ffff:4179:b164
65.121.177.101 0:0:0:0:0:ffff:4179:b165
65.121.177.102 0:0:0:0:0:ffff:4179:b166
65.121.177.103 0:0:0:0:0:ffff:4179:b167
65.121.177.104 0:0:0:0:0:ffff:4179:b168
65.121.177.105 0:0:0:0:0:ffff:4179:b169
65.121.177.106 0:0:0:0:0:ffff:4179:b16a
65.121.177.107 0:0:0:0:0:ffff:4179:b16b
65.121.177.108 0:0:0:0:0:ffff:4179:b16c
65.121.177.109 0:0:0:0:0:ffff:4179:b16d
65.121.177.110 0:0:0:0:0:ffff:4179:b16e
65.121.177.111 0:0:0:0:0:ffff:4179:b16f
65.121.177.112 0:0:0:0:0:ffff:4179:b170
65.121.177.113 0:0:0:0:0:ffff:4179:b171
65.121.177.114 0:0:0:0:0:ffff:4179:b172
65.121.177.115 0:0:0:0:0:ffff:4179:b173
65.121.177.116 0:0:0:0:0:ffff:4179:b174
65.121.177.117 0:0:0:0:0:ffff:4179:b175
65.121.177.118 0:0:0:0:0:ffff:4179:b176
65.121.177.119 0:0:0:0:0:ffff:4179:b177
65.121.177.120 0:0:0:0:0:ffff:4179:b178


65.121.177.121 0:0:0:0:0:ffff:4179:b179
65.121.177.122 0:0:0:0:0:ffff:4179:b17a
65.121.177.123 0:0:0:0:0:ffff:4179:b17b
65.121.177.124 0:0:0:0:0:ffff:4179:b17c
65.121.177.125 0:0:0:0:0:ffff:4179:b17d
65.121.177.126 0:0:0:0:0:ffff:4179:b17e
65.121.177.127 0:0:0:0:0:ffff:4179:b17f
65.121.177.128 0:0:0:0:0:ffff:4179:b180
65.121.177.129 0:0:0:0:0:ffff:4179:b181
65.121.177.130 0:0:0:0:0:ffff:4179:b182
65.121.177.131 0:0:0:0:0:ffff:4179:b183
65.121.177.132 0:0:0:0:0:ffff:4179:b184
65.121.177.133 0:0:0:0:0:ffff:4179:b185
65.121.177.134 0:0:0:0:0:ffff:4179:b186
65.121.177.135 0:0:0:0:0:ffff:4179:b187
65.121.177.136 0:0:0:0:0:ffff:4179:b188
65.121.177.137 0:0:0:0:0:ffff:4179:b189
65.121.177.138 0:0:0:0:0:ffff:4179:b18a
65.121.177.139 0:0:0:0:0:ffff:4179:b18b
65.121.177.140 0:0:0:0:0:ffff:4179:b18c
65.121.177.141 0:0:0:0:0:ffff:4179:b18d
65.121.177.142 0:0:0:0:0:ffff:4179:b18e
65.121.177.143 0:0:0:0:0:ffff:4179:b18f
65.121.177.144 0:0:0:0:0:ffff:4179:b190
65.121.177.145 0:0:0:0:0:ffff:4179:b191
65.121.177.146 0:0:0:0:0:ffff:4179:b192
65.121.177.147 0:0:0:0:0:ffff:4179:b193
65.121.177.148 0:0:0:0:0:ffff:4179:b194
65.121.177.149 0:0:0:0:0:ffff:4179:b195
65.121.177.150 0:0:0:0:0:ffff:4179:b196
65.121.177.151 0:0:0:0:0:ffff:4179:b197
65.121.177.152 0:0:0:0:0:ffff:4179:b198
65.121.177.153 0:0:0:0:0:ffff:4179:b199
65.121.177.154 0:0:0:0:0:ffff:4179:b19a
65.121.177.155 0:0:0:0:0:ffff:4179:b19b
65.121.177.156 0:0:0:0:0:ffff:4179:b19c
65.121.177.157 0:0:0:0:0:ffff:4179:b19d
65.121.177.158 0:0:0:0:0:ffff:4179:b19e
65.121.177.159 0:0:0:0:0:ffff:4179:b19f
65.121.177.160 0:0:0:0:0:ffff:4179:b1a0
65.121.177.161 0:0:0:0:0:ffff:4179:b1a1
65.121.177.162 0:0:0:0:0:ffff:4179:b1a2
65.121.177.163 0:0:0:0:0:ffff:4179:b1a3
65.121.177.164 0:0:0:0:0:ffff:4179:b1a4
65.121.177.165 0:0:0:0:0:ffff:4179:b1a5
65.121.177.166 0:0:0:0:0:ffff:4179:b1a6
65.121.177.167 0:0:0:0:0:ffff:4179:b1a7
65.121.177.168 0:0:0:0:0:ffff:4179:b1a8
65.121.177.169 0:0:0:0:0:ffff:4179:b1a9
65.121.177.170 0:0:0:0:0:ffff:4179:b1aa
65.121.177.171 0:0:0:0:0:ffff:4179:b1ab
65.121.177.172 0:0:0:0:0:ffff:4179:b1ac
65.121.177.173 0:0:0:0:0:ffff:4179:b1ad
65.121.177.174 0:0:0:0:0:ffff:4179:b1ae
65.121.177.175 0:0:0:0:0:ffff:4179:b1af
65.121.177.176 0:0:0:0:0:ffff:4179:b1b0
65.121.177.177 0:0:0:0:0:ffff:4179:b1b1
65.121.177.178 0:0:0:0:0:ffff:4179:b1b2
65.121.177.179 0:0:0:0:0:ffff:4179:b1b3
65.121.177.180 0:0:0:0:0:ffff:4179:b1b4


65.121.177.181 0:0:0:0:0:ffff:4179:b1b5
65.121.177.182 0:0:0:0:0:ffff:4179:b1b6
65.121.177.183 0:0:0:0:0:ffff:4179:b1b7
65.121.177.184 0:0:0:0:0:ffff:4179:b1b8
65.121.177.185 0:0:0:0:0:ffff:4179:b1b9
65.121.177.186 0:0:0:0:0:ffff:4179:b1ba
65.121.177.187 0:0:0:0:0:ffff:4179:b1bb
65.121.177.188 0:0:0:0:0:ffff:4179:b1bc
65.121.177.189 0:0:0:0:0:ffff:4179:b1bd
65.121.177.190 0:0:0:0:0:ffff:4179:b1be
65.121.177.191 0:0:0:0:0:ffff:4179:b1bf
65.121.177.192 0:0:0:0:0:ffff:4179:b1c0
65.121.177.193 0:0:0:0:0:ffff:4179:b1c1
65.121.177.194 0:0:0:0:0:ffff:4179:b1c2
65.121.177.195 0:0:0:0:0:ffff:4179:b1c3
65.121.177.196 0:0:0:0:0:ffff:4179:b1c4
65.121.177.197 0:0:0:0:0:ffff:4179:b1c5
65.121.177.198 0:0:0:0:0:ffff:4179:b1c6
65.121.177.199 0:0:0:0:0:ffff:4179:b1c7
65.121.177.200 0:0:0:0:0:ffff:4179:b1c8
65.121.177.201 0:0:0:0:0:ffff:4179:b1c9
65.121.177.202 0:0:0:0:0:ffff:4179:b1ca
65.121.177.203 0:0:0:0:0:ffff:4179:b1cb
65.121.177.204 0:0:0:0:0:ffff:4179:b1cc
65.121.177.205 0:0:0:0:0:ffff:4179:b1cd
65.121.177.206 0:0:0:0:0:ffff:4179:b1ce
65.121.177.207 0:0:0:0:0:ffff:4179:b1cf
65.121.177.208 0:0:0:0:0:ffff:4179:b1d0
65.121.177.209 0:0:0:0:0:ffff:4179:b1d1
65.121.177.210 0:0:0:0:0:ffff:4179:b1d2
65.121.177.211 0:0:0:0:0:ffff:4179:b1d3
65.121.177.212 0:0:0:0:0:ffff:4179:b1d4
65.121.177.213 0:0:0:0:0:ffff:4179:b1d5
65.121.177.214 0:0:0:0:0:ffff:4179:b1d6
65.121.177.215 0:0:0:0:0:ffff:4179:b1d7
65.121.177.216 0:0:0:0:0:ffff:4179:b1d8
65.121.177.217 0:0:0:0:0:ffff:4179:b1d9
65.121.177.218 0:0:0:0:0:ffff:4179:b1da
65.121.177.219 0:0:0:0:0:ffff:4179:b1db
65.121.177.220 0:0:0:0:0:ffff:4179:b1dc
65.121.177.221 0:0:0:0:0:ffff:4179:b1dd
65.121.177.222 0:0:0:0:0:ffff:4179:b1de
65.121.177.223 0:0:0:0:0:ffff:4179:b1df
65.121.177.224 0:0:0:0:0:ffff:4179:b1e0
65.121.177.225 0:0:0:0:0:ffff:4179:b1e1
65.121.177.226 0:0:0:0:0:ffff:4179:b1e2
65.121.177.227 0:0:0:0:0:ffff:4179:b1e3
65.121.177.228 0:0:0:0:0:ffff:4179:b1e4
65.121.177.229 0:0:0:0:0:ffff:4179:b1e5
65.121.177.230 0:0:0:0:0:ffff:4179:b1e6
65.121.177.231 0:0:0:0:0:ffff:4179:b1e7
65.121.177.232 0:0:0:0:0:ffff:4179:b1e8
65.121.177.233 0:0:0:0:0:ffff:4179:b1e9
65.121.177.234 0:0:0:0:0:ffff:4179:b1ea
65.121.177.235 0:0:0:0:0:ffff:4179:b1eb
65.121.177.236 0:0:0:0:0:ffff:4179:b1ec
65.121.177.237 0:0:0:0:0:ffff:4179:b1ed
65.121.177.238 0:0:0:0:0:ffff:4179:b1ee
65.121.177.239 0:0:0:0:0:ffff:4179:b1ef
65.121.177.240 0:0:0:0:0:ffff:4179:b1f0
65.121.177.241 0:0:0:0:0:ffff:4179:b1f1
65.121.177.242 0:0:0:0:0:ffff:4179:b1f2
65.121.177.243 0:0:0:0:0:ffff:4179:b1f3
65.121.177.244 0:0:0:0:0:ffff:4179:b1f4
65.121.177.245 0:0:0:0:0:ffff:4179:b1f5
65.121.177.246 0:0:0:0:0:ffff:4179:b1f6
65.121.177.247 0:0:0:0:0:ffff:4179:b1f7
65.121.177.248 0:0:0:0:0:ffff:4179:b1f8
65.121.177.249 0:0:0:0:0:ffff:4179:b1f9
65.121.177.250 0:0:0:0:0:ffff:4179:b1fa
65.121.177.251 0:0:0:0:0:ffff:4179:b1fb
65.121.177.252 0:0:0:0:0:ffff:4179:b1fc
65.121.177.253 0:0:0:0:0:ffff:4179:b1fd
65.121.177.254 0:0:0:0:0:ffff:4179:b1fe
65.121.177.255 0:0:0:0:0:ffff:4179:b1ff


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.