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
100.3.242.1 0:0:0:0:0:ffff:6403:f201
100.3.242.2 0:0:0:0:0:ffff:6403:f202
100.3.242.3 0:0:0:0:0:ffff:6403:f203
100.3.242.4 0:0:0:0:0:ffff:6403:f204
100.3.242.5 0:0:0:0:0:ffff:6403:f205
100.3.242.6 0:0:0:0:0:ffff:6403:f206
100.3.242.7 0:0:0:0:0:ffff:6403:f207
100.3.242.8 0:0:0:0:0:ffff:6403:f208
100.3.242.9 0:0:0:0:0:ffff:6403:f209
100.3.242.10 0:0:0:0:0:ffff:6403:f20a
100.3.242.11 0:0:0:0:0:ffff:6403:f20b
100.3.242.12 0:0:0:0:0:ffff:6403:f20c
100.3.242.13 0:0:0:0:0:ffff:6403:f20d
100.3.242.14 0:0:0:0:0:ffff:6403:f20e
100.3.242.15 0:0:0:0:0:ffff:6403:f20f
100.3.242.16 0:0:0:0:0:ffff:6403:f210
100.3.242.17 0:0:0:0:0:ffff:6403:f211
100.3.242.18 0:0:0:0:0:ffff:6403:f212
100.3.242.19 0:0:0:0:0:ffff:6403:f213
100.3.242.20 0:0:0:0:0:ffff:6403:f214
100.3.242.21 0:0:0:0:0:ffff:6403:f215
100.3.242.22 0:0:0:0:0:ffff:6403:f216
100.3.242.23 0:0:0:0:0:ffff:6403:f217
100.3.242.24 0:0:0:0:0:ffff:6403:f218
100.3.242.25 0:0:0:0:0:ffff:6403:f219
100.3.242.26 0:0:0:0:0:ffff:6403:f21a
100.3.242.27 0:0:0:0:0:ffff:6403:f21b
100.3.242.28 0:0:0:0:0:ffff:6403:f21c
100.3.242.29 0:0:0:0:0:ffff:6403:f21d
100.3.242.30 0:0:0:0:0:ffff:6403:f21e
100.3.242.31 0:0:0:0:0:ffff:6403:f21f
100.3.242.32 0:0:0:0:0:ffff:6403:f220
100.3.242.33 0:0:0:0:0:ffff:6403:f221
100.3.242.34 0:0:0:0:0:ffff:6403:f222
100.3.242.35 0:0:0:0:0:ffff:6403:f223
100.3.242.36 0:0:0:0:0:ffff:6403:f224
100.3.242.37 0:0:0:0:0:ffff:6403:f225
100.3.242.38 0:0:0:0:0:ffff:6403:f226
100.3.242.39 0:0:0:0:0:ffff:6403:f227
100.3.242.40 0:0:0:0:0:ffff:6403:f228
100.3.242.41 0:0:0:0:0:ffff:6403:f229
100.3.242.42 0:0:0:0:0:ffff:6403:f22a
100.3.242.43 0:0:0:0:0:ffff:6403:f22b
100.3.242.44 0:0:0:0:0:ffff:6403:f22c
100.3.242.45 0:0:0:0:0:ffff:6403:f22d
100.3.242.46 0:0:0:0:0:ffff:6403:f22e
100.3.242.47 0:0:0:0:0:ffff:6403:f22f
100.3.242.48 0:0:0:0:0:ffff:6403:f230
100.3.242.49 0:0:0:0:0:ffff:6403:f231
100.3.242.50 0:0:0:0:0:ffff:6403:f232
100.3.242.51 0:0:0:0:0:ffff:6403:f233
100.3.242.52 0:0:0:0:0:ffff:6403:f234
100.3.242.53 0:0:0:0:0:ffff:6403:f235
100.3.242.54 0:0:0:0:0:ffff:6403:f236
100.3.242.55 0:0:0:0:0:ffff:6403:f237
100.3.242.56 0:0:0:0:0:ffff:6403:f238
100.3.242.57 0:0:0:0:0:ffff:6403:f239
100.3.242.58 0:0:0:0:0:ffff:6403:f23a
100.3.242.59 0:0:0:0:0:ffff:6403:f23b
100.3.242.60 0:0:0:0:0:ffff:6403:f23c


100.3.242.61 0:0:0:0:0:ffff:6403:f23d
100.3.242.62 0:0:0:0:0:ffff:6403:f23e
100.3.242.63 0:0:0:0:0:ffff:6403:f23f
100.3.242.64 0:0:0:0:0:ffff:6403:f240
100.3.242.65 0:0:0:0:0:ffff:6403:f241
100.3.242.66 0:0:0:0:0:ffff:6403:f242
100.3.242.67 0:0:0:0:0:ffff:6403:f243
100.3.242.68 0:0:0:0:0:ffff:6403:f244
100.3.242.69 0:0:0:0:0:ffff:6403:f245
100.3.242.70 0:0:0:0:0:ffff:6403:f246
100.3.242.71 0:0:0:0:0:ffff:6403:f247
100.3.242.72 0:0:0:0:0:ffff:6403:f248
100.3.242.73 0:0:0:0:0:ffff:6403:f249
100.3.242.74 0:0:0:0:0:ffff:6403:f24a
100.3.242.75 0:0:0:0:0:ffff:6403:f24b
100.3.242.76 0:0:0:0:0:ffff:6403:f24c
100.3.242.77 0:0:0:0:0:ffff:6403:f24d
100.3.242.78 0:0:0:0:0:ffff:6403:f24e
100.3.242.79 0:0:0:0:0:ffff:6403:f24f
100.3.242.80 0:0:0:0:0:ffff:6403:f250
100.3.242.81 0:0:0:0:0:ffff:6403:f251
100.3.242.82 0:0:0:0:0:ffff:6403:f252
100.3.242.83 0:0:0:0:0:ffff:6403:f253
100.3.242.84 0:0:0:0:0:ffff:6403:f254
100.3.242.85 0:0:0:0:0:ffff:6403:f255
100.3.242.86 0:0:0:0:0:ffff:6403:f256
100.3.242.87 0:0:0:0:0:ffff:6403:f257
100.3.242.88 0:0:0:0:0:ffff:6403:f258
100.3.242.89 0:0:0:0:0:ffff:6403:f259
100.3.242.90 0:0:0:0:0:ffff:6403:f25a
100.3.242.91 0:0:0:0:0:ffff:6403:f25b
100.3.242.92 0:0:0:0:0:ffff:6403:f25c
100.3.242.93 0:0:0:0:0:ffff:6403:f25d
100.3.242.94 0:0:0:0:0:ffff:6403:f25e
100.3.242.95 0:0:0:0:0:ffff:6403:f25f
100.3.242.96 0:0:0:0:0:ffff:6403:f260
100.3.242.97 0:0:0:0:0:ffff:6403:f261
100.3.242.98 0:0:0:0:0:ffff:6403:f262
100.3.242.99 0:0:0:0:0:ffff:6403:f263
100.3.242.100 0:0:0:0:0:ffff:6403:f264
100.3.242.101 0:0:0:0:0:ffff:6403:f265
100.3.242.102 0:0:0:0:0:ffff:6403:f266
100.3.242.103 0:0:0:0:0:ffff:6403:f267
100.3.242.104 0:0:0:0:0:ffff:6403:f268
100.3.242.105 0:0:0:0:0:ffff:6403:f269
100.3.242.106 0:0:0:0:0:ffff:6403:f26a
100.3.242.107 0:0:0:0:0:ffff:6403:f26b
100.3.242.108 0:0:0:0:0:ffff:6403:f26c
100.3.242.109 0:0:0:0:0:ffff:6403:f26d
100.3.242.110 0:0:0:0:0:ffff:6403:f26e
100.3.242.111 0:0:0:0:0:ffff:6403:f26f
100.3.242.112 0:0:0:0:0:ffff:6403:f270
100.3.242.113 0:0:0:0:0:ffff:6403:f271
100.3.242.114 0:0:0:0:0:ffff:6403:f272
100.3.242.115 0:0:0:0:0:ffff:6403:f273
100.3.242.116 0:0:0:0:0:ffff:6403:f274
100.3.242.117 0:0:0:0:0:ffff:6403:f275
100.3.242.118 0:0:0:0:0:ffff:6403:f276
100.3.242.119 0:0:0:0:0:ffff:6403:f277
100.3.242.120 0:0:0:0:0:ffff:6403:f278


100.3.242.121 0:0:0:0:0:ffff:6403:f279
100.3.242.122 0:0:0:0:0:ffff:6403:f27a
100.3.242.123 0:0:0:0:0:ffff:6403:f27b
100.3.242.124 0:0:0:0:0:ffff:6403:f27c
100.3.242.125 0:0:0:0:0:ffff:6403:f27d
100.3.242.126 0:0:0:0:0:ffff:6403:f27e
100.3.242.127 0:0:0:0:0:ffff:6403:f27f
100.3.242.128 0:0:0:0:0:ffff:6403:f280
100.3.242.129 0:0:0:0:0:ffff:6403:f281
100.3.242.130 0:0:0:0:0:ffff:6403:f282
100.3.242.131 0:0:0:0:0:ffff:6403:f283
100.3.242.132 0:0:0:0:0:ffff:6403:f284
100.3.242.133 0:0:0:0:0:ffff:6403:f285
100.3.242.134 0:0:0:0:0:ffff:6403:f286
100.3.242.135 0:0:0:0:0:ffff:6403:f287
100.3.242.136 0:0:0:0:0:ffff:6403:f288
100.3.242.137 0:0:0:0:0:ffff:6403:f289
100.3.242.138 0:0:0:0:0:ffff:6403:f28a
100.3.242.139 0:0:0:0:0:ffff:6403:f28b
100.3.242.140 0:0:0:0:0:ffff:6403:f28c
100.3.242.141 0:0:0:0:0:ffff:6403:f28d
100.3.242.142 0:0:0:0:0:ffff:6403:f28e
100.3.242.143 0:0:0:0:0:ffff:6403:f28f
100.3.242.144 0:0:0:0:0:ffff:6403:f290
100.3.242.145 0:0:0:0:0:ffff:6403:f291
100.3.242.146 0:0:0:0:0:ffff:6403:f292
100.3.242.147 0:0:0:0:0:ffff:6403:f293
100.3.242.148 0:0:0:0:0:ffff:6403:f294
100.3.242.149 0:0:0:0:0:ffff:6403:f295
100.3.242.150 0:0:0:0:0:ffff:6403:f296
100.3.242.151 0:0:0:0:0:ffff:6403:f297
100.3.242.152 0:0:0:0:0:ffff:6403:f298
100.3.242.153 0:0:0:0:0:ffff:6403:f299
100.3.242.154 0:0:0:0:0:ffff:6403:f29a
100.3.242.155 0:0:0:0:0:ffff:6403:f29b
100.3.242.156 0:0:0:0:0:ffff:6403:f29c
100.3.242.157 0:0:0:0:0:ffff:6403:f29d
100.3.242.158 0:0:0:0:0:ffff:6403:f29e
100.3.242.159 0:0:0:0:0:ffff:6403:f29f
100.3.242.160 0:0:0:0:0:ffff:6403:f2a0
100.3.242.161 0:0:0:0:0:ffff:6403:f2a1
100.3.242.162 0:0:0:0:0:ffff:6403:f2a2
100.3.242.163 0:0:0:0:0:ffff:6403:f2a3
100.3.242.164 0:0:0:0:0:ffff:6403:f2a4
100.3.242.165 0:0:0:0:0:ffff:6403:f2a5
100.3.242.166 0:0:0:0:0:ffff:6403:f2a6
100.3.242.167 0:0:0:0:0:ffff:6403:f2a7
100.3.242.168 0:0:0:0:0:ffff:6403:f2a8
100.3.242.169 0:0:0:0:0:ffff:6403:f2a9
100.3.242.170 0:0:0:0:0:ffff:6403:f2aa
100.3.242.171 0:0:0:0:0:ffff:6403:f2ab
100.3.242.172 0:0:0:0:0:ffff:6403:f2ac
100.3.242.173 0:0:0:0:0:ffff:6403:f2ad
100.3.242.174 0:0:0:0:0:ffff:6403:f2ae
100.3.242.175 0:0:0:0:0:ffff:6403:f2af
100.3.242.176 0:0:0:0:0:ffff:6403:f2b0
100.3.242.177 0:0:0:0:0:ffff:6403:f2b1
100.3.242.178 0:0:0:0:0:ffff:6403:f2b2
100.3.242.179 0:0:0:0:0:ffff:6403:f2b3
100.3.242.180 0:0:0:0:0:ffff:6403:f2b4


100.3.242.181 0:0:0:0:0:ffff:6403:f2b5
100.3.242.182 0:0:0:0:0:ffff:6403:f2b6
100.3.242.183 0:0:0:0:0:ffff:6403:f2b7
100.3.242.184 0:0:0:0:0:ffff:6403:f2b8
100.3.242.185 0:0:0:0:0:ffff:6403:f2b9
100.3.242.186 0:0:0:0:0:ffff:6403:f2ba
100.3.242.187 0:0:0:0:0:ffff:6403:f2bb
100.3.242.188 0:0:0:0:0:ffff:6403:f2bc
100.3.242.189 0:0:0:0:0:ffff:6403:f2bd
100.3.242.190 0:0:0:0:0:ffff:6403:f2be
100.3.242.191 0:0:0:0:0:ffff:6403:f2bf
100.3.242.192 0:0:0:0:0:ffff:6403:f2c0
100.3.242.193 0:0:0:0:0:ffff:6403:f2c1
100.3.242.194 0:0:0:0:0:ffff:6403:f2c2
100.3.242.195 0:0:0:0:0:ffff:6403:f2c3
100.3.242.196 0:0:0:0:0:ffff:6403:f2c4
100.3.242.197 0:0:0:0:0:ffff:6403:f2c5
100.3.242.198 0:0:0:0:0:ffff:6403:f2c6
100.3.242.199 0:0:0:0:0:ffff:6403:f2c7
100.3.242.200 0:0:0:0:0:ffff:6403:f2c8
100.3.242.201 0:0:0:0:0:ffff:6403:f2c9
100.3.242.202 0:0:0:0:0:ffff:6403:f2ca
100.3.242.203 0:0:0:0:0:ffff:6403:f2cb
100.3.242.204 0:0:0:0:0:ffff:6403:f2cc
100.3.242.205 0:0:0:0:0:ffff:6403:f2cd
100.3.242.206 0:0:0:0:0:ffff:6403:f2ce
100.3.242.207 0:0:0:0:0:ffff:6403:f2cf
100.3.242.208 0:0:0:0:0:ffff:6403:f2d0
100.3.242.209 0:0:0:0:0:ffff:6403:f2d1
100.3.242.210 0:0:0:0:0:ffff:6403:f2d2
100.3.242.211 0:0:0:0:0:ffff:6403:f2d3
100.3.242.212 0:0:0:0:0:ffff:6403:f2d4
100.3.242.213 0:0:0:0:0:ffff:6403:f2d5
100.3.242.214 0:0:0:0:0:ffff:6403:f2d6
100.3.242.215 0:0:0:0:0:ffff:6403:f2d7
100.3.242.216 0:0:0:0:0:ffff:6403:f2d8
100.3.242.217 0:0:0:0:0:ffff:6403:f2d9
100.3.242.218 0:0:0:0:0:ffff:6403:f2da
100.3.242.219 0:0:0:0:0:ffff:6403:f2db
100.3.242.220 0:0:0:0:0:ffff:6403:f2dc
100.3.242.221 0:0:0:0:0:ffff:6403:f2dd
100.3.242.222 0:0:0:0:0:ffff:6403:f2de
100.3.242.223 0:0:0:0:0:ffff:6403:f2df
100.3.242.224 0:0:0:0:0:ffff:6403:f2e0
100.3.242.225 0:0:0:0:0:ffff:6403:f2e1
100.3.242.226 0:0:0:0:0:ffff:6403:f2e2
100.3.242.227 0:0:0:0:0:ffff:6403:f2e3
100.3.242.228 0:0:0:0:0:ffff:6403:f2e4
100.3.242.229 0:0:0:0:0:ffff:6403:f2e5
100.3.242.230 0:0:0:0:0:ffff:6403:f2e6
100.3.242.231 0:0:0:0:0:ffff:6403:f2e7
100.3.242.232 0:0:0:0:0:ffff:6403:f2e8
100.3.242.233 0:0:0:0:0:ffff:6403:f2e9
100.3.242.234 0:0:0:0:0:ffff:6403:f2ea
100.3.242.235 0:0:0:0:0:ffff:6403:f2eb
100.3.242.236 0:0:0:0:0:ffff:6403:f2ec
100.3.242.237 0:0:0:0:0:ffff:6403:f2ed
100.3.242.238 0:0:0:0:0:ffff:6403:f2ee
100.3.242.239 0:0:0:0:0:ffff:6403:f2ef
100.3.242.240 0:0:0:0:0:ffff:6403:f2f0
100.3.242.241 0:0:0:0:0:ffff:6403:f2f1
100.3.242.242 0:0:0:0:0:ffff:6403:f2f2
100.3.242.243 0:0:0:0:0:ffff:6403:f2f3
100.3.242.244 0:0:0:0:0:ffff:6403:f2f4
100.3.242.245 0:0:0:0:0:ffff:6403:f2f5
100.3.242.246 0:0:0:0:0:ffff:6403:f2f6
100.3.242.247 0:0:0:0:0:ffff:6403:f2f7
100.3.242.248 0:0:0:0:0:ffff:6403:f2f8
100.3.242.249 0:0:0:0:0:ffff:6403:f2f9
100.3.242.250 0:0:0:0:0:ffff:6403:f2fa
100.3.242.251 0:0:0:0:0:ffff:6403:f2fb
100.3.242.252 0:0:0:0:0:ffff:6403:f2fc
100.3.242.253 0:0:0:0:0:ffff:6403:f2fd
100.3.242.254 0:0:0:0:0:ffff:6403:f2fe
100.3.242.255 0:0:0:0:0:ffff:6403:f2ff


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.