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
100.3.146.1 0:0:0:0:0:ffff:6403:9201
100.3.146.2 0:0:0:0:0:ffff:6403:9202
100.3.146.3 0:0:0:0:0:ffff:6403:9203
100.3.146.4 0:0:0:0:0:ffff:6403:9204
100.3.146.5 0:0:0:0:0:ffff:6403:9205
100.3.146.6 0:0:0:0:0:ffff:6403:9206
100.3.146.7 0:0:0:0:0:ffff:6403:9207
100.3.146.8 0:0:0:0:0:ffff:6403:9208
100.3.146.9 0:0:0:0:0:ffff:6403:9209
100.3.146.10 0:0:0:0:0:ffff:6403:920a
100.3.146.11 0:0:0:0:0:ffff:6403:920b
100.3.146.12 0:0:0:0:0:ffff:6403:920c
100.3.146.13 0:0:0:0:0:ffff:6403:920d
100.3.146.14 0:0:0:0:0:ffff:6403:920e
100.3.146.15 0:0:0:0:0:ffff:6403:920f
100.3.146.16 0:0:0:0:0:ffff:6403:9210
100.3.146.17 0:0:0:0:0:ffff:6403:9211
100.3.146.18 0:0:0:0:0:ffff:6403:9212
100.3.146.19 0:0:0:0:0:ffff:6403:9213
100.3.146.20 0:0:0:0:0:ffff:6403:9214
100.3.146.21 0:0:0:0:0:ffff:6403:9215
100.3.146.22 0:0:0:0:0:ffff:6403:9216
100.3.146.23 0:0:0:0:0:ffff:6403:9217
100.3.146.24 0:0:0:0:0:ffff:6403:9218
100.3.146.25 0:0:0:0:0:ffff:6403:9219
100.3.146.26 0:0:0:0:0:ffff:6403:921a
100.3.146.27 0:0:0:0:0:ffff:6403:921b
100.3.146.28 0:0:0:0:0:ffff:6403:921c
100.3.146.29 0:0:0:0:0:ffff:6403:921d
100.3.146.30 0:0:0:0:0:ffff:6403:921e
100.3.146.31 0:0:0:0:0:ffff:6403:921f
100.3.146.32 0:0:0:0:0:ffff:6403:9220
100.3.146.33 0:0:0:0:0:ffff:6403:9221
100.3.146.34 0:0:0:0:0:ffff:6403:9222
100.3.146.35 0:0:0:0:0:ffff:6403:9223
100.3.146.36 0:0:0:0:0:ffff:6403:9224
100.3.146.37 0:0:0:0:0:ffff:6403:9225
100.3.146.38 0:0:0:0:0:ffff:6403:9226
100.3.146.39 0:0:0:0:0:ffff:6403:9227
100.3.146.40 0:0:0:0:0:ffff:6403:9228
100.3.146.41 0:0:0:0:0:ffff:6403:9229
100.3.146.42 0:0:0:0:0:ffff:6403:922a
100.3.146.43 0:0:0:0:0:ffff:6403:922b
100.3.146.44 0:0:0:0:0:ffff:6403:922c
100.3.146.45 0:0:0:0:0:ffff:6403:922d
100.3.146.46 0:0:0:0:0:ffff:6403:922e
100.3.146.47 0:0:0:0:0:ffff:6403:922f
100.3.146.48 0:0:0:0:0:ffff:6403:9230
100.3.146.49 0:0:0:0:0:ffff:6403:9231
100.3.146.50 0:0:0:0:0:ffff:6403:9232
100.3.146.51 0:0:0:0:0:ffff:6403:9233
100.3.146.52 0:0:0:0:0:ffff:6403:9234
100.3.146.53 0:0:0:0:0:ffff:6403:9235
100.3.146.54 0:0:0:0:0:ffff:6403:9236
100.3.146.55 0:0:0:0:0:ffff:6403:9237
100.3.146.56 0:0:0:0:0:ffff:6403:9238
100.3.146.57 0:0:0:0:0:ffff:6403:9239
100.3.146.58 0:0:0:0:0:ffff:6403:923a
100.3.146.59 0:0:0:0:0:ffff:6403:923b
100.3.146.60 0:0:0:0:0:ffff:6403:923c


100.3.146.61 0:0:0:0:0:ffff:6403:923d
100.3.146.62 0:0:0:0:0:ffff:6403:923e
100.3.146.63 0:0:0:0:0:ffff:6403:923f
100.3.146.64 0:0:0:0:0:ffff:6403:9240
100.3.146.65 0:0:0:0:0:ffff:6403:9241
100.3.146.66 0:0:0:0:0:ffff:6403:9242
100.3.146.67 0:0:0:0:0:ffff:6403:9243
100.3.146.68 0:0:0:0:0:ffff:6403:9244
100.3.146.69 0:0:0:0:0:ffff:6403:9245
100.3.146.70 0:0:0:0:0:ffff:6403:9246
100.3.146.71 0:0:0:0:0:ffff:6403:9247
100.3.146.72 0:0:0:0:0:ffff:6403:9248
100.3.146.73 0:0:0:0:0:ffff:6403:9249
100.3.146.74 0:0:0:0:0:ffff:6403:924a
100.3.146.75 0:0:0:0:0:ffff:6403:924b
100.3.146.76 0:0:0:0:0:ffff:6403:924c
100.3.146.77 0:0:0:0:0:ffff:6403:924d
100.3.146.78 0:0:0:0:0:ffff:6403:924e
100.3.146.79 0:0:0:0:0:ffff:6403:924f
100.3.146.80 0:0:0:0:0:ffff:6403:9250
100.3.146.81 0:0:0:0:0:ffff:6403:9251
100.3.146.82 0:0:0:0:0:ffff:6403:9252
100.3.146.83 0:0:0:0:0:ffff:6403:9253
100.3.146.84 0:0:0:0:0:ffff:6403:9254
100.3.146.85 0:0:0:0:0:ffff:6403:9255
100.3.146.86 0:0:0:0:0:ffff:6403:9256
100.3.146.87 0:0:0:0:0:ffff:6403:9257
100.3.146.88 0:0:0:0:0:ffff:6403:9258
100.3.146.89 0:0:0:0:0:ffff:6403:9259
100.3.146.90 0:0:0:0:0:ffff:6403:925a
100.3.146.91 0:0:0:0:0:ffff:6403:925b
100.3.146.92 0:0:0:0:0:ffff:6403:925c
100.3.146.93 0:0:0:0:0:ffff:6403:925d
100.3.146.94 0:0:0:0:0:ffff:6403:925e
100.3.146.95 0:0:0:0:0:ffff:6403:925f
100.3.146.96 0:0:0:0:0:ffff:6403:9260
100.3.146.97 0:0:0:0:0:ffff:6403:9261
100.3.146.98 0:0:0:0:0:ffff:6403:9262
100.3.146.99 0:0:0:0:0:ffff:6403:9263
100.3.146.100 0:0:0:0:0:ffff:6403:9264
100.3.146.101 0:0:0:0:0:ffff:6403:9265
100.3.146.102 0:0:0:0:0:ffff:6403:9266
100.3.146.103 0:0:0:0:0:ffff:6403:9267
100.3.146.104 0:0:0:0:0:ffff:6403:9268
100.3.146.105 0:0:0:0:0:ffff:6403:9269
100.3.146.106 0:0:0:0:0:ffff:6403:926a
100.3.146.107 0:0:0:0:0:ffff:6403:926b
100.3.146.108 0:0:0:0:0:ffff:6403:926c
100.3.146.109 0:0:0:0:0:ffff:6403:926d
100.3.146.110 0:0:0:0:0:ffff:6403:926e
100.3.146.111 0:0:0:0:0:ffff:6403:926f
100.3.146.112 0:0:0:0:0:ffff:6403:9270
100.3.146.113 0:0:0:0:0:ffff:6403:9271
100.3.146.114 0:0:0:0:0:ffff:6403:9272
100.3.146.115 0:0:0:0:0:ffff:6403:9273
100.3.146.116 0:0:0:0:0:ffff:6403:9274
100.3.146.117 0:0:0:0:0:ffff:6403:9275
100.3.146.118 0:0:0:0:0:ffff:6403:9276
100.3.146.119 0:0:0:0:0:ffff:6403:9277
100.3.146.120 0:0:0:0:0:ffff:6403:9278


100.3.146.121 0:0:0:0:0:ffff:6403:9279
100.3.146.122 0:0:0:0:0:ffff:6403:927a
100.3.146.123 0:0:0:0:0:ffff:6403:927b
100.3.146.124 0:0:0:0:0:ffff:6403:927c
100.3.146.125 0:0:0:0:0:ffff:6403:927d
100.3.146.126 0:0:0:0:0:ffff:6403:927e
100.3.146.127 0:0:0:0:0:ffff:6403:927f
100.3.146.128 0:0:0:0:0:ffff:6403:9280
100.3.146.129 0:0:0:0:0:ffff:6403:9281
100.3.146.130 0:0:0:0:0:ffff:6403:9282
100.3.146.131 0:0:0:0:0:ffff:6403:9283
100.3.146.132 0:0:0:0:0:ffff:6403:9284
100.3.146.133 0:0:0:0:0:ffff:6403:9285
100.3.146.134 0:0:0:0:0:ffff:6403:9286
100.3.146.135 0:0:0:0:0:ffff:6403:9287
100.3.146.136 0:0:0:0:0:ffff:6403:9288
100.3.146.137 0:0:0:0:0:ffff:6403:9289
100.3.146.138 0:0:0:0:0:ffff:6403:928a
100.3.146.139 0:0:0:0:0:ffff:6403:928b
100.3.146.140 0:0:0:0:0:ffff:6403:928c
100.3.146.141 0:0:0:0:0:ffff:6403:928d
100.3.146.142 0:0:0:0:0:ffff:6403:928e
100.3.146.143 0:0:0:0:0:ffff:6403:928f
100.3.146.144 0:0:0:0:0:ffff:6403:9290
100.3.146.145 0:0:0:0:0:ffff:6403:9291
100.3.146.146 0:0:0:0:0:ffff:6403:9292
100.3.146.147 0:0:0:0:0:ffff:6403:9293
100.3.146.148 0:0:0:0:0:ffff:6403:9294
100.3.146.149 0:0:0:0:0:ffff:6403:9295
100.3.146.150 0:0:0:0:0:ffff:6403:9296
100.3.146.151 0:0:0:0:0:ffff:6403:9297
100.3.146.152 0:0:0:0:0:ffff:6403:9298
100.3.146.153 0:0:0:0:0:ffff:6403:9299
100.3.146.154 0:0:0:0:0:ffff:6403:929a
100.3.146.155 0:0:0:0:0:ffff:6403:929b
100.3.146.156 0:0:0:0:0:ffff:6403:929c
100.3.146.157 0:0:0:0:0:ffff:6403:929d
100.3.146.158 0:0:0:0:0:ffff:6403:929e
100.3.146.159 0:0:0:0:0:ffff:6403:929f
100.3.146.160 0:0:0:0:0:ffff:6403:92a0
100.3.146.161 0:0:0:0:0:ffff:6403:92a1
100.3.146.162 0:0:0:0:0:ffff:6403:92a2
100.3.146.163 0:0:0:0:0:ffff:6403:92a3
100.3.146.164 0:0:0:0:0:ffff:6403:92a4
100.3.146.165 0:0:0:0:0:ffff:6403:92a5
100.3.146.166 0:0:0:0:0:ffff:6403:92a6
100.3.146.167 0:0:0:0:0:ffff:6403:92a7
100.3.146.168 0:0:0:0:0:ffff:6403:92a8
100.3.146.169 0:0:0:0:0:ffff:6403:92a9
100.3.146.170 0:0:0:0:0:ffff:6403:92aa
100.3.146.171 0:0:0:0:0:ffff:6403:92ab
100.3.146.172 0:0:0:0:0:ffff:6403:92ac
100.3.146.173 0:0:0:0:0:ffff:6403:92ad
100.3.146.174 0:0:0:0:0:ffff:6403:92ae
100.3.146.175 0:0:0:0:0:ffff:6403:92af
100.3.146.176 0:0:0:0:0:ffff:6403:92b0
100.3.146.177 0:0:0:0:0:ffff:6403:92b1
100.3.146.178 0:0:0:0:0:ffff:6403:92b2
100.3.146.179 0:0:0:0:0:ffff:6403:92b3
100.3.146.180 0:0:0:0:0:ffff:6403:92b4


100.3.146.181 0:0:0:0:0:ffff:6403:92b5
100.3.146.182 0:0:0:0:0:ffff:6403:92b6
100.3.146.183 0:0:0:0:0:ffff:6403:92b7
100.3.146.184 0:0:0:0:0:ffff:6403:92b8
100.3.146.185 0:0:0:0:0:ffff:6403:92b9
100.3.146.186 0:0:0:0:0:ffff:6403:92ba
100.3.146.187 0:0:0:0:0:ffff:6403:92bb
100.3.146.188 0:0:0:0:0:ffff:6403:92bc
100.3.146.189 0:0:0:0:0:ffff:6403:92bd
100.3.146.190 0:0:0:0:0:ffff:6403:92be
100.3.146.191 0:0:0:0:0:ffff:6403:92bf
100.3.146.192 0:0:0:0:0:ffff:6403:92c0
100.3.146.193 0:0:0:0:0:ffff:6403:92c1
100.3.146.194 0:0:0:0:0:ffff:6403:92c2
100.3.146.195 0:0:0:0:0:ffff:6403:92c3
100.3.146.196 0:0:0:0:0:ffff:6403:92c4
100.3.146.197 0:0:0:0:0:ffff:6403:92c5
100.3.146.198 0:0:0:0:0:ffff:6403:92c6
100.3.146.199 0:0:0:0:0:ffff:6403:92c7
100.3.146.200 0:0:0:0:0:ffff:6403:92c8
100.3.146.201 0:0:0:0:0:ffff:6403:92c9
100.3.146.202 0:0:0:0:0:ffff:6403:92ca
100.3.146.203 0:0:0:0:0:ffff:6403:92cb
100.3.146.204 0:0:0:0:0:ffff:6403:92cc
100.3.146.205 0:0:0:0:0:ffff:6403:92cd
100.3.146.206 0:0:0:0:0:ffff:6403:92ce
100.3.146.207 0:0:0:0:0:ffff:6403:92cf
100.3.146.208 0:0:0:0:0:ffff:6403:92d0
100.3.146.209 0:0:0:0:0:ffff:6403:92d1
100.3.146.210 0:0:0:0:0:ffff:6403:92d2
100.3.146.211 0:0:0:0:0:ffff:6403:92d3
100.3.146.212 0:0:0:0:0:ffff:6403:92d4
100.3.146.213 0:0:0:0:0:ffff:6403:92d5
100.3.146.214 0:0:0:0:0:ffff:6403:92d6
100.3.146.215 0:0:0:0:0:ffff:6403:92d7
100.3.146.216 0:0:0:0:0:ffff:6403:92d8
100.3.146.217 0:0:0:0:0:ffff:6403:92d9
100.3.146.218 0:0:0:0:0:ffff:6403:92da
100.3.146.219 0:0:0:0:0:ffff:6403:92db
100.3.146.220 0:0:0:0:0:ffff:6403:92dc
100.3.146.221 0:0:0:0:0:ffff:6403:92dd
100.3.146.222 0:0:0:0:0:ffff:6403:92de
100.3.146.223 0:0:0:0:0:ffff:6403:92df
100.3.146.224 0:0:0:0:0:ffff:6403:92e0
100.3.146.225 0:0:0:0:0:ffff:6403:92e1
100.3.146.226 0:0:0:0:0:ffff:6403:92e2
100.3.146.227 0:0:0:0:0:ffff:6403:92e3
100.3.146.228 0:0:0:0:0:ffff:6403:92e4
100.3.146.229 0:0:0:0:0:ffff:6403:92e5
100.3.146.230 0:0:0:0:0:ffff:6403:92e6
100.3.146.231 0:0:0:0:0:ffff:6403:92e7
100.3.146.232 0:0:0:0:0:ffff:6403:92e8
100.3.146.233 0:0:0:0:0:ffff:6403:92e9
100.3.146.234 0:0:0:0:0:ffff:6403:92ea
100.3.146.235 0:0:0:0:0:ffff:6403:92eb
100.3.146.236 0:0:0:0:0:ffff:6403:92ec
100.3.146.237 0:0:0:0:0:ffff:6403:92ed
100.3.146.238 0:0:0:0:0:ffff:6403:92ee
100.3.146.239 0:0:0:0:0:ffff:6403:92ef
100.3.146.240 0:0:0:0:0:ffff:6403:92f0
100.3.146.241 0:0:0:0:0:ffff:6403:92f1
100.3.146.242 0:0:0:0:0:ffff:6403:92f2
100.3.146.243 0:0:0:0:0:ffff:6403:92f3
100.3.146.244 0:0:0:0:0:ffff:6403:92f4
100.3.146.245 0:0:0:0:0:ffff:6403:92f5
100.3.146.246 0:0:0:0:0:ffff:6403:92f6
100.3.146.247 0:0:0:0:0:ffff:6403:92f7
100.3.146.248 0:0:0:0:0:ffff:6403:92f8
100.3.146.249 0:0:0:0:0:ffff:6403:92f9
100.3.146.250 0:0:0:0:0:ffff:6403:92fa
100.3.146.251 0:0:0:0:0:ffff:6403:92fb
100.3.146.252 0:0:0:0:0:ffff:6403:92fc
100.3.146.253 0:0:0:0:0:ffff:6403:92fd
100.3.146.254 0:0:0:0:0:ffff:6403:92fe
100.3.146.255 0:0:0:0:0:ffff:6403:92ff


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.