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
65.121.146.1 0:0:0:0:0:ffff:4179:9201
65.121.146.2 0:0:0:0:0:ffff:4179:9202
65.121.146.3 0:0:0:0:0:ffff:4179:9203
65.121.146.4 0:0:0:0:0:ffff:4179:9204
65.121.146.5 0:0:0:0:0:ffff:4179:9205
65.121.146.6 0:0:0:0:0:ffff:4179:9206
65.121.146.7 0:0:0:0:0:ffff:4179:9207
65.121.146.8 0:0:0:0:0:ffff:4179:9208
65.121.146.9 0:0:0:0:0:ffff:4179:9209
65.121.146.10 0:0:0:0:0:ffff:4179:920a
65.121.146.11 0:0:0:0:0:ffff:4179:920b
65.121.146.12 0:0:0:0:0:ffff:4179:920c
65.121.146.13 0:0:0:0:0:ffff:4179:920d
65.121.146.14 0:0:0:0:0:ffff:4179:920e
65.121.146.15 0:0:0:0:0:ffff:4179:920f
65.121.146.16 0:0:0:0:0:ffff:4179:9210
65.121.146.17 0:0:0:0:0:ffff:4179:9211
65.121.146.18 0:0:0:0:0:ffff:4179:9212
65.121.146.19 0:0:0:0:0:ffff:4179:9213
65.121.146.20 0:0:0:0:0:ffff:4179:9214
65.121.146.21 0:0:0:0:0:ffff:4179:9215
65.121.146.22 0:0:0:0:0:ffff:4179:9216
65.121.146.23 0:0:0:0:0:ffff:4179:9217
65.121.146.24 0:0:0:0:0:ffff:4179:9218
65.121.146.25 0:0:0:0:0:ffff:4179:9219
65.121.146.26 0:0:0:0:0:ffff:4179:921a
65.121.146.27 0:0:0:0:0:ffff:4179:921b
65.121.146.28 0:0:0:0:0:ffff:4179:921c
65.121.146.29 0:0:0:0:0:ffff:4179:921d
65.121.146.30 0:0:0:0:0:ffff:4179:921e
65.121.146.31 0:0:0:0:0:ffff:4179:921f
65.121.146.32 0:0:0:0:0:ffff:4179:9220
65.121.146.33 0:0:0:0:0:ffff:4179:9221
65.121.146.34 0:0:0:0:0:ffff:4179:9222
65.121.146.35 0:0:0:0:0:ffff:4179:9223
65.121.146.36 0:0:0:0:0:ffff:4179:9224
65.121.146.37 0:0:0:0:0:ffff:4179:9225
65.121.146.38 0:0:0:0:0:ffff:4179:9226
65.121.146.39 0:0:0:0:0:ffff:4179:9227
65.121.146.40 0:0:0:0:0:ffff:4179:9228
65.121.146.41 0:0:0:0:0:ffff:4179:9229
65.121.146.42 0:0:0:0:0:ffff:4179:922a
65.121.146.43 0:0:0:0:0:ffff:4179:922b
65.121.146.44 0:0:0:0:0:ffff:4179:922c
65.121.146.45 0:0:0:0:0:ffff:4179:922d
65.121.146.46 0:0:0:0:0:ffff:4179:922e
65.121.146.47 0:0:0:0:0:ffff:4179:922f
65.121.146.48 0:0:0:0:0:ffff:4179:9230
65.121.146.49 0:0:0:0:0:ffff:4179:9231
65.121.146.50 0:0:0:0:0:ffff:4179:9232
65.121.146.51 0:0:0:0:0:ffff:4179:9233
65.121.146.52 0:0:0:0:0:ffff:4179:9234
65.121.146.53 0:0:0:0:0:ffff:4179:9235
65.121.146.54 0:0:0:0:0:ffff:4179:9236
65.121.146.55 0:0:0:0:0:ffff:4179:9237
65.121.146.56 0:0:0:0:0:ffff:4179:9238
65.121.146.57 0:0:0:0:0:ffff:4179:9239
65.121.146.58 0:0:0:0:0:ffff:4179:923a
65.121.146.59 0:0:0:0:0:ffff:4179:923b
65.121.146.60 0:0:0:0:0:ffff:4179:923c


65.121.146.61 0:0:0:0:0:ffff:4179:923d
65.121.146.62 0:0:0:0:0:ffff:4179:923e
65.121.146.63 0:0:0:0:0:ffff:4179:923f
65.121.146.64 0:0:0:0:0:ffff:4179:9240
65.121.146.65 0:0:0:0:0:ffff:4179:9241
65.121.146.66 0:0:0:0:0:ffff:4179:9242
65.121.146.67 0:0:0:0:0:ffff:4179:9243
65.121.146.68 0:0:0:0:0:ffff:4179:9244
65.121.146.69 0:0:0:0:0:ffff:4179:9245
65.121.146.70 0:0:0:0:0:ffff:4179:9246
65.121.146.71 0:0:0:0:0:ffff:4179:9247
65.121.146.72 0:0:0:0:0:ffff:4179:9248
65.121.146.73 0:0:0:0:0:ffff:4179:9249
65.121.146.74 0:0:0:0:0:ffff:4179:924a
65.121.146.75 0:0:0:0:0:ffff:4179:924b
65.121.146.76 0:0:0:0:0:ffff:4179:924c
65.121.146.77 0:0:0:0:0:ffff:4179:924d
65.121.146.78 0:0:0:0:0:ffff:4179:924e
65.121.146.79 0:0:0:0:0:ffff:4179:924f
65.121.146.80 0:0:0:0:0:ffff:4179:9250
65.121.146.81 0:0:0:0:0:ffff:4179:9251
65.121.146.82 0:0:0:0:0:ffff:4179:9252
65.121.146.83 0:0:0:0:0:ffff:4179:9253
65.121.146.84 0:0:0:0:0:ffff:4179:9254
65.121.146.85 0:0:0:0:0:ffff:4179:9255
65.121.146.86 0:0:0:0:0:ffff:4179:9256
65.121.146.87 0:0:0:0:0:ffff:4179:9257
65.121.146.88 0:0:0:0:0:ffff:4179:9258
65.121.146.89 0:0:0:0:0:ffff:4179:9259
65.121.146.90 0:0:0:0:0:ffff:4179:925a
65.121.146.91 0:0:0:0:0:ffff:4179:925b
65.121.146.92 0:0:0:0:0:ffff:4179:925c
65.121.146.93 0:0:0:0:0:ffff:4179:925d
65.121.146.94 0:0:0:0:0:ffff:4179:925e
65.121.146.95 0:0:0:0:0:ffff:4179:925f
65.121.146.96 0:0:0:0:0:ffff:4179:9260
65.121.146.97 0:0:0:0:0:ffff:4179:9261
65.121.146.98 0:0:0:0:0:ffff:4179:9262
65.121.146.99 0:0:0:0:0:ffff:4179:9263
65.121.146.100 0:0:0:0:0:ffff:4179:9264
65.121.146.101 0:0:0:0:0:ffff:4179:9265
65.121.146.102 0:0:0:0:0:ffff:4179:9266
65.121.146.103 0:0:0:0:0:ffff:4179:9267
65.121.146.104 0:0:0:0:0:ffff:4179:9268
65.121.146.105 0:0:0:0:0:ffff:4179:9269
65.121.146.106 0:0:0:0:0:ffff:4179:926a
65.121.146.107 0:0:0:0:0:ffff:4179:926b
65.121.146.108 0:0:0:0:0:ffff:4179:926c
65.121.146.109 0:0:0:0:0:ffff:4179:926d
65.121.146.110 0:0:0:0:0:ffff:4179:926e
65.121.146.111 0:0:0:0:0:ffff:4179:926f
65.121.146.112 0:0:0:0:0:ffff:4179:9270
65.121.146.113 0:0:0:0:0:ffff:4179:9271
65.121.146.114 0:0:0:0:0:ffff:4179:9272
65.121.146.115 0:0:0:0:0:ffff:4179:9273
65.121.146.116 0:0:0:0:0:ffff:4179:9274
65.121.146.117 0:0:0:0:0:ffff:4179:9275
65.121.146.118 0:0:0:0:0:ffff:4179:9276
65.121.146.119 0:0:0:0:0:ffff:4179:9277
65.121.146.120 0:0:0:0:0:ffff:4179:9278


65.121.146.121 0:0:0:0:0:ffff:4179:9279
65.121.146.122 0:0:0:0:0:ffff:4179:927a
65.121.146.123 0:0:0:0:0:ffff:4179:927b
65.121.146.124 0:0:0:0:0:ffff:4179:927c
65.121.146.125 0:0:0:0:0:ffff:4179:927d
65.121.146.126 0:0:0:0:0:ffff:4179:927e
65.121.146.127 0:0:0:0:0:ffff:4179:927f
65.121.146.128 0:0:0:0:0:ffff:4179:9280
65.121.146.129 0:0:0:0:0:ffff:4179:9281
65.121.146.130 0:0:0:0:0:ffff:4179:9282
65.121.146.131 0:0:0:0:0:ffff:4179:9283
65.121.146.132 0:0:0:0:0:ffff:4179:9284
65.121.146.133 0:0:0:0:0:ffff:4179:9285
65.121.146.134 0:0:0:0:0:ffff:4179:9286
65.121.146.135 0:0:0:0:0:ffff:4179:9287
65.121.146.136 0:0:0:0:0:ffff:4179:9288
65.121.146.137 0:0:0:0:0:ffff:4179:9289
65.121.146.138 0:0:0:0:0:ffff:4179:928a
65.121.146.139 0:0:0:0:0:ffff:4179:928b
65.121.146.140 0:0:0:0:0:ffff:4179:928c
65.121.146.141 0:0:0:0:0:ffff:4179:928d
65.121.146.142 0:0:0:0:0:ffff:4179:928e
65.121.146.143 0:0:0:0:0:ffff:4179:928f
65.121.146.144 0:0:0:0:0:ffff:4179:9290
65.121.146.145 0:0:0:0:0:ffff:4179:9291
65.121.146.146 0:0:0:0:0:ffff:4179:9292
65.121.146.147 0:0:0:0:0:ffff:4179:9293
65.121.146.148 0:0:0:0:0:ffff:4179:9294
65.121.146.149 0:0:0:0:0:ffff:4179:9295
65.121.146.150 0:0:0:0:0:ffff:4179:9296
65.121.146.151 0:0:0:0:0:ffff:4179:9297
65.121.146.152 0:0:0:0:0:ffff:4179:9298
65.121.146.153 0:0:0:0:0:ffff:4179:9299
65.121.146.154 0:0:0:0:0:ffff:4179:929a
65.121.146.155 0:0:0:0:0:ffff:4179:929b
65.121.146.156 0:0:0:0:0:ffff:4179:929c
65.121.146.157 0:0:0:0:0:ffff:4179:929d
65.121.146.158 0:0:0:0:0:ffff:4179:929e
65.121.146.159 0:0:0:0:0:ffff:4179:929f
65.121.146.160 0:0:0:0:0:ffff:4179:92a0
65.121.146.161 0:0:0:0:0:ffff:4179:92a1
65.121.146.162 0:0:0:0:0:ffff:4179:92a2
65.121.146.163 0:0:0:0:0:ffff:4179:92a3
65.121.146.164 0:0:0:0:0:ffff:4179:92a4
65.121.146.165 0:0:0:0:0:ffff:4179:92a5
65.121.146.166 0:0:0:0:0:ffff:4179:92a6
65.121.146.167 0:0:0:0:0:ffff:4179:92a7
65.121.146.168 0:0:0:0:0:ffff:4179:92a8
65.121.146.169 0:0:0:0:0:ffff:4179:92a9
65.121.146.170 0:0:0:0:0:ffff:4179:92aa
65.121.146.171 0:0:0:0:0:ffff:4179:92ab
65.121.146.172 0:0:0:0:0:ffff:4179:92ac
65.121.146.173 0:0:0:0:0:ffff:4179:92ad
65.121.146.174 0:0:0:0:0:ffff:4179:92ae
65.121.146.175 0:0:0:0:0:ffff:4179:92af
65.121.146.176 0:0:0:0:0:ffff:4179:92b0
65.121.146.177 0:0:0:0:0:ffff:4179:92b1
65.121.146.178 0:0:0:0:0:ffff:4179:92b2
65.121.146.179 0:0:0:0:0:ffff:4179:92b3
65.121.146.180 0:0:0:0:0:ffff:4179:92b4


65.121.146.181 0:0:0:0:0:ffff:4179:92b5
65.121.146.182 0:0:0:0:0:ffff:4179:92b6
65.121.146.183 0:0:0:0:0:ffff:4179:92b7
65.121.146.184 0:0:0:0:0:ffff:4179:92b8
65.121.146.185 0:0:0:0:0:ffff:4179:92b9
65.121.146.186 0:0:0:0:0:ffff:4179:92ba
65.121.146.187 0:0:0:0:0:ffff:4179:92bb
65.121.146.188 0:0:0:0:0:ffff:4179:92bc
65.121.146.189 0:0:0:0:0:ffff:4179:92bd
65.121.146.190 0:0:0:0:0:ffff:4179:92be
65.121.146.191 0:0:0:0:0:ffff:4179:92bf
65.121.146.192 0:0:0:0:0:ffff:4179:92c0
65.121.146.193 0:0:0:0:0:ffff:4179:92c1
65.121.146.194 0:0:0:0:0:ffff:4179:92c2
65.121.146.195 0:0:0:0:0:ffff:4179:92c3
65.121.146.196 0:0:0:0:0:ffff:4179:92c4
65.121.146.197 0:0:0:0:0:ffff:4179:92c5
65.121.146.198 0:0:0:0:0:ffff:4179:92c6
65.121.146.199 0:0:0:0:0:ffff:4179:92c7
65.121.146.200 0:0:0:0:0:ffff:4179:92c8
65.121.146.201 0:0:0:0:0:ffff:4179:92c9
65.121.146.202 0:0:0:0:0:ffff:4179:92ca
65.121.146.203 0:0:0:0:0:ffff:4179:92cb
65.121.146.204 0:0:0:0:0:ffff:4179:92cc
65.121.146.205 0:0:0:0:0:ffff:4179:92cd
65.121.146.206 0:0:0:0:0:ffff:4179:92ce
65.121.146.207 0:0:0:0:0:ffff:4179:92cf
65.121.146.208 0:0:0:0:0:ffff:4179:92d0
65.121.146.209 0:0:0:0:0:ffff:4179:92d1
65.121.146.210 0:0:0:0:0:ffff:4179:92d2
65.121.146.211 0:0:0:0:0:ffff:4179:92d3
65.121.146.212 0:0:0:0:0:ffff:4179:92d4
65.121.146.213 0:0:0:0:0:ffff:4179:92d5
65.121.146.214 0:0:0:0:0:ffff:4179:92d6
65.121.146.215 0:0:0:0:0:ffff:4179:92d7
65.121.146.216 0:0:0:0:0:ffff:4179:92d8
65.121.146.217 0:0:0:0:0:ffff:4179:92d9
65.121.146.218 0:0:0:0:0:ffff:4179:92da
65.121.146.219 0:0:0:0:0:ffff:4179:92db
65.121.146.220 0:0:0:0:0:ffff:4179:92dc
65.121.146.221 0:0:0:0:0:ffff:4179:92dd
65.121.146.222 0:0:0:0:0:ffff:4179:92de
65.121.146.223 0:0:0:0:0:ffff:4179:92df
65.121.146.224 0:0:0:0:0:ffff:4179:92e0
65.121.146.225 0:0:0:0:0:ffff:4179:92e1
65.121.146.226 0:0:0:0:0:ffff:4179:92e2
65.121.146.227 0:0:0:0:0:ffff:4179:92e3
65.121.146.228 0:0:0:0:0:ffff:4179:92e4
65.121.146.229 0:0:0:0:0:ffff:4179:92e5
65.121.146.230 0:0:0:0:0:ffff:4179:92e6
65.121.146.231 0:0:0:0:0:ffff:4179:92e7
65.121.146.232 0:0:0:0:0:ffff:4179:92e8
65.121.146.233 0:0:0:0:0:ffff:4179:92e9
65.121.146.234 0:0:0:0:0:ffff:4179:92ea
65.121.146.235 0:0:0:0:0:ffff:4179:92eb
65.121.146.236 0:0:0:0:0:ffff:4179:92ec
65.121.146.237 0:0:0:0:0:ffff:4179:92ed
65.121.146.238 0:0:0:0:0:ffff:4179:92ee
65.121.146.239 0:0:0:0:0:ffff:4179:92ef
65.121.146.240 0:0:0:0:0:ffff:4179:92f0
65.121.146.241 0:0:0:0:0:ffff:4179:92f1
65.121.146.242 0:0:0:0:0:ffff:4179:92f2
65.121.146.243 0:0:0:0:0:ffff:4179:92f3
65.121.146.244 0:0:0:0:0:ffff:4179:92f4
65.121.146.245 0:0:0:0:0:ffff:4179:92f5
65.121.146.246 0:0:0:0:0:ffff:4179:92f6
65.121.146.247 0:0:0:0:0:ffff:4179:92f7
65.121.146.248 0:0:0:0:0:ffff:4179:92f8
65.121.146.249 0:0:0:0:0:ffff:4179:92f9
65.121.146.250 0:0:0:0:0:ffff:4179:92fa
65.121.146.251 0:0:0:0:0:ffff:4179:92fb
65.121.146.252 0:0:0:0:0:ffff:4179:92fc
65.121.146.253 0:0:0:0:0:ffff:4179:92fd
65.121.146.254 0:0:0:0:0:ffff:4179:92fe
65.121.146.255 0:0:0:0:0:ffff:4179:92ff


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.