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
127.243.2.1 0:0:0:0:0:ffff:7ff3:201
127.243.2.2 0:0:0:0:0:ffff:7ff3:202
127.243.2.3 0:0:0:0:0:ffff:7ff3:203
127.243.2.4 0:0:0:0:0:ffff:7ff3:204
127.243.2.5 0:0:0:0:0:ffff:7ff3:205
127.243.2.6 0:0:0:0:0:ffff:7ff3:206
127.243.2.7 0:0:0:0:0:ffff:7ff3:207
127.243.2.8 0:0:0:0:0:ffff:7ff3:208
127.243.2.9 0:0:0:0:0:ffff:7ff3:209
127.243.2.10 0:0:0:0:0:ffff:7ff3:20a
127.243.2.11 0:0:0:0:0:ffff:7ff3:20b
127.243.2.12 0:0:0:0:0:ffff:7ff3:20c
127.243.2.13 0:0:0:0:0:ffff:7ff3:20d
127.243.2.14 0:0:0:0:0:ffff:7ff3:20e
127.243.2.15 0:0:0:0:0:ffff:7ff3:20f
127.243.2.16 0:0:0:0:0:ffff:7ff3:210
127.243.2.17 0:0:0:0:0:ffff:7ff3:211
127.243.2.18 0:0:0:0:0:ffff:7ff3:212
127.243.2.19 0:0:0:0:0:ffff:7ff3:213
127.243.2.20 0:0:0:0:0:ffff:7ff3:214
127.243.2.21 0:0:0:0:0:ffff:7ff3:215
127.243.2.22 0:0:0:0:0:ffff:7ff3:216
127.243.2.23 0:0:0:0:0:ffff:7ff3:217
127.243.2.24 0:0:0:0:0:ffff:7ff3:218
127.243.2.25 0:0:0:0:0:ffff:7ff3:219
127.243.2.26 0:0:0:0:0:ffff:7ff3:21a
127.243.2.27 0:0:0:0:0:ffff:7ff3:21b
127.243.2.28 0:0:0:0:0:ffff:7ff3:21c
127.243.2.29 0:0:0:0:0:ffff:7ff3:21d
127.243.2.30 0:0:0:0:0:ffff:7ff3:21e
127.243.2.31 0:0:0:0:0:ffff:7ff3:21f
127.243.2.32 0:0:0:0:0:ffff:7ff3:220
127.243.2.33 0:0:0:0:0:ffff:7ff3:221
127.243.2.34 0:0:0:0:0:ffff:7ff3:222
127.243.2.35 0:0:0:0:0:ffff:7ff3:223
127.243.2.36 0:0:0:0:0:ffff:7ff3:224
127.243.2.37 0:0:0:0:0:ffff:7ff3:225
127.243.2.38 0:0:0:0:0:ffff:7ff3:226
127.243.2.39 0:0:0:0:0:ffff:7ff3:227
127.243.2.40 0:0:0:0:0:ffff:7ff3:228
127.243.2.41 0:0:0:0:0:ffff:7ff3:229
127.243.2.42 0:0:0:0:0:ffff:7ff3:22a
127.243.2.43 0:0:0:0:0:ffff:7ff3:22b
127.243.2.44 0:0:0:0:0:ffff:7ff3:22c
127.243.2.45 0:0:0:0:0:ffff:7ff3:22d
127.243.2.46 0:0:0:0:0:ffff:7ff3:22e
127.243.2.47 0:0:0:0:0:ffff:7ff3:22f
127.243.2.48 0:0:0:0:0:ffff:7ff3:230
127.243.2.49 0:0:0:0:0:ffff:7ff3:231
127.243.2.50 0:0:0:0:0:ffff:7ff3:232
127.243.2.51 0:0:0:0:0:ffff:7ff3:233
127.243.2.52 0:0:0:0:0:ffff:7ff3:234
127.243.2.53 0:0:0:0:0:ffff:7ff3:235
127.243.2.54 0:0:0:0:0:ffff:7ff3:236
127.243.2.55 0:0:0:0:0:ffff:7ff3:237
127.243.2.56 0:0:0:0:0:ffff:7ff3:238
127.243.2.57 0:0:0:0:0:ffff:7ff3:239
127.243.2.58 0:0:0:0:0:ffff:7ff3:23a
127.243.2.59 0:0:0:0:0:ffff:7ff3:23b
127.243.2.60 0:0:0:0:0:ffff:7ff3:23c


127.243.2.61 0:0:0:0:0:ffff:7ff3:23d
127.243.2.62 0:0:0:0:0:ffff:7ff3:23e
127.243.2.63 0:0:0:0:0:ffff:7ff3:23f
127.243.2.64 0:0:0:0:0:ffff:7ff3:240
127.243.2.65 0:0:0:0:0:ffff:7ff3:241
127.243.2.66 0:0:0:0:0:ffff:7ff3:242
127.243.2.67 0:0:0:0:0:ffff:7ff3:243
127.243.2.68 0:0:0:0:0:ffff:7ff3:244
127.243.2.69 0:0:0:0:0:ffff:7ff3:245
127.243.2.70 0:0:0:0:0:ffff:7ff3:246
127.243.2.71 0:0:0:0:0:ffff:7ff3:247
127.243.2.72 0:0:0:0:0:ffff:7ff3:248
127.243.2.73 0:0:0:0:0:ffff:7ff3:249
127.243.2.74 0:0:0:0:0:ffff:7ff3:24a
127.243.2.75 0:0:0:0:0:ffff:7ff3:24b
127.243.2.76 0:0:0:0:0:ffff:7ff3:24c
127.243.2.77 0:0:0:0:0:ffff:7ff3:24d
127.243.2.78 0:0:0:0:0:ffff:7ff3:24e
127.243.2.79 0:0:0:0:0:ffff:7ff3:24f
127.243.2.80 0:0:0:0:0:ffff:7ff3:250
127.243.2.81 0:0:0:0:0:ffff:7ff3:251
127.243.2.82 0:0:0:0:0:ffff:7ff3:252
127.243.2.83 0:0:0:0:0:ffff:7ff3:253
127.243.2.84 0:0:0:0:0:ffff:7ff3:254
127.243.2.85 0:0:0:0:0:ffff:7ff3:255
127.243.2.86 0:0:0:0:0:ffff:7ff3:256
127.243.2.87 0:0:0:0:0:ffff:7ff3:257
127.243.2.88 0:0:0:0:0:ffff:7ff3:258
127.243.2.89 0:0:0:0:0:ffff:7ff3:259
127.243.2.90 0:0:0:0:0:ffff:7ff3:25a
127.243.2.91 0:0:0:0:0:ffff:7ff3:25b
127.243.2.92 0:0:0:0:0:ffff:7ff3:25c
127.243.2.93 0:0:0:0:0:ffff:7ff3:25d
127.243.2.94 0:0:0:0:0:ffff:7ff3:25e
127.243.2.95 0:0:0:0:0:ffff:7ff3:25f
127.243.2.96 0:0:0:0:0:ffff:7ff3:260
127.243.2.97 0:0:0:0:0:ffff:7ff3:261
127.243.2.98 0:0:0:0:0:ffff:7ff3:262
127.243.2.99 0:0:0:0:0:ffff:7ff3:263
127.243.2.100 0:0:0:0:0:ffff:7ff3:264
127.243.2.101 0:0:0:0:0:ffff:7ff3:265
127.243.2.102 0:0:0:0:0:ffff:7ff3:266
127.243.2.103 0:0:0:0:0:ffff:7ff3:267
127.243.2.104 0:0:0:0:0:ffff:7ff3:268
127.243.2.105 0:0:0:0:0:ffff:7ff3:269
127.243.2.106 0:0:0:0:0:ffff:7ff3:26a
127.243.2.107 0:0:0:0:0:ffff:7ff3:26b
127.243.2.108 0:0:0:0:0:ffff:7ff3:26c
127.243.2.109 0:0:0:0:0:ffff:7ff3:26d
127.243.2.110 0:0:0:0:0:ffff:7ff3:26e
127.243.2.111 0:0:0:0:0:ffff:7ff3:26f
127.243.2.112 0:0:0:0:0:ffff:7ff3:270
127.243.2.113 0:0:0:0:0:ffff:7ff3:271
127.243.2.114 0:0:0:0:0:ffff:7ff3:272
127.243.2.115 0:0:0:0:0:ffff:7ff3:273
127.243.2.116 0:0:0:0:0:ffff:7ff3:274
127.243.2.117 0:0:0:0:0:ffff:7ff3:275
127.243.2.118 0:0:0:0:0:ffff:7ff3:276
127.243.2.119 0:0:0:0:0:ffff:7ff3:277
127.243.2.120 0:0:0:0:0:ffff:7ff3:278


127.243.2.121 0:0:0:0:0:ffff:7ff3:279
127.243.2.122 0:0:0:0:0:ffff:7ff3:27a
127.243.2.123 0:0:0:0:0:ffff:7ff3:27b
127.243.2.124 0:0:0:0:0:ffff:7ff3:27c
127.243.2.125 0:0:0:0:0:ffff:7ff3:27d
127.243.2.126 0:0:0:0:0:ffff:7ff3:27e
127.243.2.127 0:0:0:0:0:ffff:7ff3:27f
127.243.2.128 0:0:0:0:0:ffff:7ff3:280
127.243.2.129 0:0:0:0:0:ffff:7ff3:281
127.243.2.130 0:0:0:0:0:ffff:7ff3:282
127.243.2.131 0:0:0:0:0:ffff:7ff3:283
127.243.2.132 0:0:0:0:0:ffff:7ff3:284
127.243.2.133 0:0:0:0:0:ffff:7ff3:285
127.243.2.134 0:0:0:0:0:ffff:7ff3:286
127.243.2.135 0:0:0:0:0:ffff:7ff3:287
127.243.2.136 0:0:0:0:0:ffff:7ff3:288
127.243.2.137 0:0:0:0:0:ffff:7ff3:289
127.243.2.138 0:0:0:0:0:ffff:7ff3:28a
127.243.2.139 0:0:0:0:0:ffff:7ff3:28b
127.243.2.140 0:0:0:0:0:ffff:7ff3:28c
127.243.2.141 0:0:0:0:0:ffff:7ff3:28d
127.243.2.142 0:0:0:0:0:ffff:7ff3:28e
127.243.2.143 0:0:0:0:0:ffff:7ff3:28f
127.243.2.144 0:0:0:0:0:ffff:7ff3:290
127.243.2.145 0:0:0:0:0:ffff:7ff3:291
127.243.2.146 0:0:0:0:0:ffff:7ff3:292
127.243.2.147 0:0:0:0:0:ffff:7ff3:293
127.243.2.148 0:0:0:0:0:ffff:7ff3:294
127.243.2.149 0:0:0:0:0:ffff:7ff3:295
127.243.2.150 0:0:0:0:0:ffff:7ff3:296
127.243.2.151 0:0:0:0:0:ffff:7ff3:297
127.243.2.152 0:0:0:0:0:ffff:7ff3:298
127.243.2.153 0:0:0:0:0:ffff:7ff3:299
127.243.2.154 0:0:0:0:0:ffff:7ff3:29a
127.243.2.155 0:0:0:0:0:ffff:7ff3:29b
127.243.2.156 0:0:0:0:0:ffff:7ff3:29c
127.243.2.157 0:0:0:0:0:ffff:7ff3:29d
127.243.2.158 0:0:0:0:0:ffff:7ff3:29e
127.243.2.159 0:0:0:0:0:ffff:7ff3:29f
127.243.2.160 0:0:0:0:0:ffff:7ff3:2a0
127.243.2.161 0:0:0:0:0:ffff:7ff3:2a1
127.243.2.162 0:0:0:0:0:ffff:7ff3:2a2
127.243.2.163 0:0:0:0:0:ffff:7ff3:2a3
127.243.2.164 0:0:0:0:0:ffff:7ff3:2a4
127.243.2.165 0:0:0:0:0:ffff:7ff3:2a5
127.243.2.166 0:0:0:0:0:ffff:7ff3:2a6
127.243.2.167 0:0:0:0:0:ffff:7ff3:2a7
127.243.2.168 0:0:0:0:0:ffff:7ff3:2a8
127.243.2.169 0:0:0:0:0:ffff:7ff3:2a9
127.243.2.170 0:0:0:0:0:ffff:7ff3:2aa
127.243.2.171 0:0:0:0:0:ffff:7ff3:2ab
127.243.2.172 0:0:0:0:0:ffff:7ff3:2ac
127.243.2.173 0:0:0:0:0:ffff:7ff3:2ad
127.243.2.174 0:0:0:0:0:ffff:7ff3:2ae
127.243.2.175 0:0:0:0:0:ffff:7ff3:2af
127.243.2.176 0:0:0:0:0:ffff:7ff3:2b0
127.243.2.177 0:0:0:0:0:ffff:7ff3:2b1
127.243.2.178 0:0:0:0:0:ffff:7ff3:2b2
127.243.2.179 0:0:0:0:0:ffff:7ff3:2b3
127.243.2.180 0:0:0:0:0:ffff:7ff3:2b4


127.243.2.181 0:0:0:0:0:ffff:7ff3:2b5
127.243.2.182 0:0:0:0:0:ffff:7ff3:2b6
127.243.2.183 0:0:0:0:0:ffff:7ff3:2b7
127.243.2.184 0:0:0:0:0:ffff:7ff3:2b8
127.243.2.185 0:0:0:0:0:ffff:7ff3:2b9
127.243.2.186 0:0:0:0:0:ffff:7ff3:2ba
127.243.2.187 0:0:0:0:0:ffff:7ff3:2bb
127.243.2.188 0:0:0:0:0:ffff:7ff3:2bc
127.243.2.189 0:0:0:0:0:ffff:7ff3:2bd
127.243.2.190 0:0:0:0:0:ffff:7ff3:2be
127.243.2.191 0:0:0:0:0:ffff:7ff3:2bf
127.243.2.192 0:0:0:0:0:ffff:7ff3:2c0
127.243.2.193 0:0:0:0:0:ffff:7ff3:2c1
127.243.2.194 0:0:0:0:0:ffff:7ff3:2c2
127.243.2.195 0:0:0:0:0:ffff:7ff3:2c3
127.243.2.196 0:0:0:0:0:ffff:7ff3:2c4
127.243.2.197 0:0:0:0:0:ffff:7ff3:2c5
127.243.2.198 0:0:0:0:0:ffff:7ff3:2c6
127.243.2.199 0:0:0:0:0:ffff:7ff3:2c7
127.243.2.200 0:0:0:0:0:ffff:7ff3:2c8
127.243.2.201 0:0:0:0:0:ffff:7ff3:2c9
127.243.2.202 0:0:0:0:0:ffff:7ff3:2ca
127.243.2.203 0:0:0:0:0:ffff:7ff3:2cb
127.243.2.204 0:0:0:0:0:ffff:7ff3:2cc
127.243.2.205 0:0:0:0:0:ffff:7ff3:2cd
127.243.2.206 0:0:0:0:0:ffff:7ff3:2ce
127.243.2.207 0:0:0:0:0:ffff:7ff3:2cf
127.243.2.208 0:0:0:0:0:ffff:7ff3:2d0
127.243.2.209 0:0:0:0:0:ffff:7ff3:2d1
127.243.2.210 0:0:0:0:0:ffff:7ff3:2d2
127.243.2.211 0:0:0:0:0:ffff:7ff3:2d3
127.243.2.212 0:0:0:0:0:ffff:7ff3:2d4
127.243.2.213 0:0:0:0:0:ffff:7ff3:2d5
127.243.2.214 0:0:0:0:0:ffff:7ff3:2d6
127.243.2.215 0:0:0:0:0:ffff:7ff3:2d7
127.243.2.216 0:0:0:0:0:ffff:7ff3:2d8
127.243.2.217 0:0:0:0:0:ffff:7ff3:2d9
127.243.2.218 0:0:0:0:0:ffff:7ff3:2da
127.243.2.219 0:0:0:0:0:ffff:7ff3:2db
127.243.2.220 0:0:0:0:0:ffff:7ff3:2dc
127.243.2.221 0:0:0:0:0:ffff:7ff3:2dd
127.243.2.222 0:0:0:0:0:ffff:7ff3:2de
127.243.2.223 0:0:0:0:0:ffff:7ff3:2df
127.243.2.224 0:0:0:0:0:ffff:7ff3:2e0
127.243.2.225 0:0:0:0:0:ffff:7ff3:2e1
127.243.2.226 0:0:0:0:0:ffff:7ff3:2e2
127.243.2.227 0:0:0:0:0:ffff:7ff3:2e3
127.243.2.228 0:0:0:0:0:ffff:7ff3:2e4
127.243.2.229 0:0:0:0:0:ffff:7ff3:2e5
127.243.2.230 0:0:0:0:0:ffff:7ff3:2e6
127.243.2.231 0:0:0:0:0:ffff:7ff3:2e7
127.243.2.232 0:0:0:0:0:ffff:7ff3:2e8
127.243.2.233 0:0:0:0:0:ffff:7ff3:2e9
127.243.2.234 0:0:0:0:0:ffff:7ff3:2ea
127.243.2.235 0:0:0:0:0:ffff:7ff3:2eb
127.243.2.236 0:0:0:0:0:ffff:7ff3:2ec
127.243.2.237 0:0:0:0:0:ffff:7ff3:2ed
127.243.2.238 0:0:0:0:0:ffff:7ff3:2ee
127.243.2.239 0:0:0:0:0:ffff:7ff3:2ef
127.243.2.240 0:0:0:0:0:ffff:7ff3:2f0
127.243.2.241 0:0:0:0:0:ffff:7ff3:2f1
127.243.2.242 0:0:0:0:0:ffff:7ff3:2f2
127.243.2.243 0:0:0:0:0:ffff:7ff3:2f3
127.243.2.244 0:0:0:0:0:ffff:7ff3:2f4
127.243.2.245 0:0:0:0:0:ffff:7ff3:2f5
127.243.2.246 0:0:0:0:0:ffff:7ff3:2f6
127.243.2.247 0:0:0:0:0:ffff:7ff3:2f7
127.243.2.248 0:0:0:0:0:ffff:7ff3:2f8
127.243.2.249 0:0:0:0:0:ffff:7ff3:2f9
127.243.2.250 0:0:0:0:0:ffff:7ff3:2fa
127.243.2.251 0:0:0:0:0:ffff:7ff3:2fb
127.243.2.252 0:0:0:0:0:ffff:7ff3:2fc
127.243.2.253 0:0:0:0:0:ffff:7ff3:2fd
127.243.2.254 0:0:0:0:0:ffff:7ff3:2fe
127.243.2.255 0:0:0:0:0:ffff:7ff3:2ff


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.