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
128.7.2.1 0:0:0:0:0:ffff:8007:201
128.7.2.2 0:0:0:0:0:ffff:8007:202
128.7.2.3 0:0:0:0:0:ffff:8007:203
128.7.2.4 0:0:0:0:0:ffff:8007:204
128.7.2.5 0:0:0:0:0:ffff:8007:205
128.7.2.6 0:0:0:0:0:ffff:8007:206
128.7.2.7 0:0:0:0:0:ffff:8007:207
128.7.2.8 0:0:0:0:0:ffff:8007:208
128.7.2.9 0:0:0:0:0:ffff:8007:209
128.7.2.10 0:0:0:0:0:ffff:8007:20a
128.7.2.11 0:0:0:0:0:ffff:8007:20b
128.7.2.12 0:0:0:0:0:ffff:8007:20c
128.7.2.13 0:0:0:0:0:ffff:8007:20d
128.7.2.14 0:0:0:0:0:ffff:8007:20e
128.7.2.15 0:0:0:0:0:ffff:8007:20f
128.7.2.16 0:0:0:0:0:ffff:8007:210
128.7.2.17 0:0:0:0:0:ffff:8007:211
128.7.2.18 0:0:0:0:0:ffff:8007:212
128.7.2.19 0:0:0:0:0:ffff:8007:213
128.7.2.20 0:0:0:0:0:ffff:8007:214
128.7.2.21 0:0:0:0:0:ffff:8007:215
128.7.2.22 0:0:0:0:0:ffff:8007:216
128.7.2.23 0:0:0:0:0:ffff:8007:217
128.7.2.24 0:0:0:0:0:ffff:8007:218
128.7.2.25 0:0:0:0:0:ffff:8007:219
128.7.2.26 0:0:0:0:0:ffff:8007:21a
128.7.2.27 0:0:0:0:0:ffff:8007:21b
128.7.2.28 0:0:0:0:0:ffff:8007:21c
128.7.2.29 0:0:0:0:0:ffff:8007:21d
128.7.2.30 0:0:0:0:0:ffff:8007:21e
128.7.2.31 0:0:0:0:0:ffff:8007:21f
128.7.2.32 0:0:0:0:0:ffff:8007:220
128.7.2.33 0:0:0:0:0:ffff:8007:221
128.7.2.34 0:0:0:0:0:ffff:8007:222
128.7.2.35 0:0:0:0:0:ffff:8007:223
128.7.2.36 0:0:0:0:0:ffff:8007:224
128.7.2.37 0:0:0:0:0:ffff:8007:225
128.7.2.38 0:0:0:0:0:ffff:8007:226
128.7.2.39 0:0:0:0:0:ffff:8007:227
128.7.2.40 0:0:0:0:0:ffff:8007:228
128.7.2.41 0:0:0:0:0:ffff:8007:229
128.7.2.42 0:0:0:0:0:ffff:8007:22a
128.7.2.43 0:0:0:0:0:ffff:8007:22b
128.7.2.44 0:0:0:0:0:ffff:8007:22c
128.7.2.45 0:0:0:0:0:ffff:8007:22d
128.7.2.46 0:0:0:0:0:ffff:8007:22e
128.7.2.47 0:0:0:0:0:ffff:8007:22f
128.7.2.48 0:0:0:0:0:ffff:8007:230
128.7.2.49 0:0:0:0:0:ffff:8007:231
128.7.2.50 0:0:0:0:0:ffff:8007:232
128.7.2.51 0:0:0:0:0:ffff:8007:233
128.7.2.52 0:0:0:0:0:ffff:8007:234
128.7.2.53 0:0:0:0:0:ffff:8007:235
128.7.2.54 0:0:0:0:0:ffff:8007:236
128.7.2.55 0:0:0:0:0:ffff:8007:237
128.7.2.56 0:0:0:0:0:ffff:8007:238
128.7.2.57 0:0:0:0:0:ffff:8007:239
128.7.2.58 0:0:0:0:0:ffff:8007:23a
128.7.2.59 0:0:0:0:0:ffff:8007:23b
128.7.2.60 0:0:0:0:0:ffff:8007:23c


128.7.2.61 0:0:0:0:0:ffff:8007:23d
128.7.2.62 0:0:0:0:0:ffff:8007:23e
128.7.2.63 0:0:0:0:0:ffff:8007:23f
128.7.2.64 0:0:0:0:0:ffff:8007:240
128.7.2.65 0:0:0:0:0:ffff:8007:241
128.7.2.66 0:0:0:0:0:ffff:8007:242
128.7.2.67 0:0:0:0:0:ffff:8007:243
128.7.2.68 0:0:0:0:0:ffff:8007:244
128.7.2.69 0:0:0:0:0:ffff:8007:245
128.7.2.70 0:0:0:0:0:ffff:8007:246
128.7.2.71 0:0:0:0:0:ffff:8007:247
128.7.2.72 0:0:0:0:0:ffff:8007:248
128.7.2.73 0:0:0:0:0:ffff:8007:249
128.7.2.74 0:0:0:0:0:ffff:8007:24a
128.7.2.75 0:0:0:0:0:ffff:8007:24b
128.7.2.76 0:0:0:0:0:ffff:8007:24c
128.7.2.77 0:0:0:0:0:ffff:8007:24d
128.7.2.78 0:0:0:0:0:ffff:8007:24e
128.7.2.79 0:0:0:0:0:ffff:8007:24f
128.7.2.80 0:0:0:0:0:ffff:8007:250
128.7.2.81 0:0:0:0:0:ffff:8007:251
128.7.2.82 0:0:0:0:0:ffff:8007:252
128.7.2.83 0:0:0:0:0:ffff:8007:253
128.7.2.84 0:0:0:0:0:ffff:8007:254
128.7.2.85 0:0:0:0:0:ffff:8007:255
128.7.2.86 0:0:0:0:0:ffff:8007:256
128.7.2.87 0:0:0:0:0:ffff:8007:257
128.7.2.88 0:0:0:0:0:ffff:8007:258
128.7.2.89 0:0:0:0:0:ffff:8007:259
128.7.2.90 0:0:0:0:0:ffff:8007:25a
128.7.2.91 0:0:0:0:0:ffff:8007:25b
128.7.2.92 0:0:0:0:0:ffff:8007:25c
128.7.2.93 0:0:0:0:0:ffff:8007:25d
128.7.2.94 0:0:0:0:0:ffff:8007:25e
128.7.2.95 0:0:0:0:0:ffff:8007:25f
128.7.2.96 0:0:0:0:0:ffff:8007:260
128.7.2.97 0:0:0:0:0:ffff:8007:261
128.7.2.98 0:0:0:0:0:ffff:8007:262
128.7.2.99 0:0:0:0:0:ffff:8007:263
128.7.2.100 0:0:0:0:0:ffff:8007:264
128.7.2.101 0:0:0:0:0:ffff:8007:265
128.7.2.102 0:0:0:0:0:ffff:8007:266
128.7.2.103 0:0:0:0:0:ffff:8007:267
128.7.2.104 0:0:0:0:0:ffff:8007:268
128.7.2.105 0:0:0:0:0:ffff:8007:269
128.7.2.106 0:0:0:0:0:ffff:8007:26a
128.7.2.107 0:0:0:0:0:ffff:8007:26b
128.7.2.108 0:0:0:0:0:ffff:8007:26c
128.7.2.109 0:0:0:0:0:ffff:8007:26d
128.7.2.110 0:0:0:0:0:ffff:8007:26e
128.7.2.111 0:0:0:0:0:ffff:8007:26f
128.7.2.112 0:0:0:0:0:ffff:8007:270
128.7.2.113 0:0:0:0:0:ffff:8007:271
128.7.2.114 0:0:0:0:0:ffff:8007:272
128.7.2.115 0:0:0:0:0:ffff:8007:273
128.7.2.116 0:0:0:0:0:ffff:8007:274
128.7.2.117 0:0:0:0:0:ffff:8007:275
128.7.2.118 0:0:0:0:0:ffff:8007:276
128.7.2.119 0:0:0:0:0:ffff:8007:277
128.7.2.120 0:0:0:0:0:ffff:8007:278


128.7.2.121 0:0:0:0:0:ffff:8007:279
128.7.2.122 0:0:0:0:0:ffff:8007:27a
128.7.2.123 0:0:0:0:0:ffff:8007:27b
128.7.2.124 0:0:0:0:0:ffff:8007:27c
128.7.2.125 0:0:0:0:0:ffff:8007:27d
128.7.2.126 0:0:0:0:0:ffff:8007:27e
128.7.2.127 0:0:0:0:0:ffff:8007:27f
128.7.2.128 0:0:0:0:0:ffff:8007:280
128.7.2.129 0:0:0:0:0:ffff:8007:281
128.7.2.130 0:0:0:0:0:ffff:8007:282
128.7.2.131 0:0:0:0:0:ffff:8007:283
128.7.2.132 0:0:0:0:0:ffff:8007:284
128.7.2.133 0:0:0:0:0:ffff:8007:285
128.7.2.134 0:0:0:0:0:ffff:8007:286
128.7.2.135 0:0:0:0:0:ffff:8007:287
128.7.2.136 0:0:0:0:0:ffff:8007:288
128.7.2.137 0:0:0:0:0:ffff:8007:289
128.7.2.138 0:0:0:0:0:ffff:8007:28a
128.7.2.139 0:0:0:0:0:ffff:8007:28b
128.7.2.140 0:0:0:0:0:ffff:8007:28c
128.7.2.141 0:0:0:0:0:ffff:8007:28d
128.7.2.142 0:0:0:0:0:ffff:8007:28e
128.7.2.143 0:0:0:0:0:ffff:8007:28f
128.7.2.144 0:0:0:0:0:ffff:8007:290
128.7.2.145 0:0:0:0:0:ffff:8007:291
128.7.2.146 0:0:0:0:0:ffff:8007:292
128.7.2.147 0:0:0:0:0:ffff:8007:293
128.7.2.148 0:0:0:0:0:ffff:8007:294
128.7.2.149 0:0:0:0:0:ffff:8007:295
128.7.2.150 0:0:0:0:0:ffff:8007:296
128.7.2.151 0:0:0:0:0:ffff:8007:297
128.7.2.152 0:0:0:0:0:ffff:8007:298
128.7.2.153 0:0:0:0:0:ffff:8007:299
128.7.2.154 0:0:0:0:0:ffff:8007:29a
128.7.2.155 0:0:0:0:0:ffff:8007:29b
128.7.2.156 0:0:0:0:0:ffff:8007:29c
128.7.2.157 0:0:0:0:0:ffff:8007:29d
128.7.2.158 0:0:0:0:0:ffff:8007:29e
128.7.2.159 0:0:0:0:0:ffff:8007:29f
128.7.2.160 0:0:0:0:0:ffff:8007:2a0
128.7.2.161 0:0:0:0:0:ffff:8007:2a1
128.7.2.162 0:0:0:0:0:ffff:8007:2a2
128.7.2.163 0:0:0:0:0:ffff:8007:2a3
128.7.2.164 0:0:0:0:0:ffff:8007:2a4
128.7.2.165 0:0:0:0:0:ffff:8007:2a5
128.7.2.166 0:0:0:0:0:ffff:8007:2a6
128.7.2.167 0:0:0:0:0:ffff:8007:2a7
128.7.2.168 0:0:0:0:0:ffff:8007:2a8
128.7.2.169 0:0:0:0:0:ffff:8007:2a9
128.7.2.170 0:0:0:0:0:ffff:8007:2aa
128.7.2.171 0:0:0:0:0:ffff:8007:2ab
128.7.2.172 0:0:0:0:0:ffff:8007:2ac
128.7.2.173 0:0:0:0:0:ffff:8007:2ad
128.7.2.174 0:0:0:0:0:ffff:8007:2ae
128.7.2.175 0:0:0:0:0:ffff:8007:2af
128.7.2.176 0:0:0:0:0:ffff:8007:2b0
128.7.2.177 0:0:0:0:0:ffff:8007:2b1
128.7.2.178 0:0:0:0:0:ffff:8007:2b2
128.7.2.179 0:0:0:0:0:ffff:8007:2b3
128.7.2.180 0:0:0:0:0:ffff:8007:2b4


128.7.2.181 0:0:0:0:0:ffff:8007:2b5
128.7.2.182 0:0:0:0:0:ffff:8007:2b6
128.7.2.183 0:0:0:0:0:ffff:8007:2b7
128.7.2.184 0:0:0:0:0:ffff:8007:2b8
128.7.2.185 0:0:0:0:0:ffff:8007:2b9
128.7.2.186 0:0:0:0:0:ffff:8007:2ba
128.7.2.187 0:0:0:0:0:ffff:8007:2bb
128.7.2.188 0:0:0:0:0:ffff:8007:2bc
128.7.2.189 0:0:0:0:0:ffff:8007:2bd
128.7.2.190 0:0:0:0:0:ffff:8007:2be
128.7.2.191 0:0:0:0:0:ffff:8007:2bf
128.7.2.192 0:0:0:0:0:ffff:8007:2c0
128.7.2.193 0:0:0:0:0:ffff:8007:2c1
128.7.2.194 0:0:0:0:0:ffff:8007:2c2
128.7.2.195 0:0:0:0:0:ffff:8007:2c3
128.7.2.196 0:0:0:0:0:ffff:8007:2c4
128.7.2.197 0:0:0:0:0:ffff:8007:2c5
128.7.2.198 0:0:0:0:0:ffff:8007:2c6
128.7.2.199 0:0:0:0:0:ffff:8007:2c7
128.7.2.200 0:0:0:0:0:ffff:8007:2c8
128.7.2.201 0:0:0:0:0:ffff:8007:2c9
128.7.2.202 0:0:0:0:0:ffff:8007:2ca
128.7.2.203 0:0:0:0:0:ffff:8007:2cb
128.7.2.204 0:0:0:0:0:ffff:8007:2cc
128.7.2.205 0:0:0:0:0:ffff:8007:2cd
128.7.2.206 0:0:0:0:0:ffff:8007:2ce
128.7.2.207 0:0:0:0:0:ffff:8007:2cf
128.7.2.208 0:0:0:0:0:ffff:8007:2d0
128.7.2.209 0:0:0:0:0:ffff:8007:2d1
128.7.2.210 0:0:0:0:0:ffff:8007:2d2
128.7.2.211 0:0:0:0:0:ffff:8007:2d3
128.7.2.212 0:0:0:0:0:ffff:8007:2d4
128.7.2.213 0:0:0:0:0:ffff:8007:2d5
128.7.2.214 0:0:0:0:0:ffff:8007:2d6
128.7.2.215 0:0:0:0:0:ffff:8007:2d7
128.7.2.216 0:0:0:0:0:ffff:8007:2d8
128.7.2.217 0:0:0:0:0:ffff:8007:2d9
128.7.2.218 0:0:0:0:0:ffff:8007:2da
128.7.2.219 0:0:0:0:0:ffff:8007:2db
128.7.2.220 0:0:0:0:0:ffff:8007:2dc
128.7.2.221 0:0:0:0:0:ffff:8007:2dd
128.7.2.222 0:0:0:0:0:ffff:8007:2de
128.7.2.223 0:0:0:0:0:ffff:8007:2df
128.7.2.224 0:0:0:0:0:ffff:8007:2e0
128.7.2.225 0:0:0:0:0:ffff:8007:2e1
128.7.2.226 0:0:0:0:0:ffff:8007:2e2
128.7.2.227 0:0:0:0:0:ffff:8007:2e3
128.7.2.228 0:0:0:0:0:ffff:8007:2e4
128.7.2.229 0:0:0:0:0:ffff:8007:2e5
128.7.2.230 0:0:0:0:0:ffff:8007:2e6
128.7.2.231 0:0:0:0:0:ffff:8007:2e7
128.7.2.232 0:0:0:0:0:ffff:8007:2e8
128.7.2.233 0:0:0:0:0:ffff:8007:2e9
128.7.2.234 0:0:0:0:0:ffff:8007:2ea
128.7.2.235 0:0:0:0:0:ffff:8007:2eb
128.7.2.236 0:0:0:0:0:ffff:8007:2ec
128.7.2.237 0:0:0:0:0:ffff:8007:2ed
128.7.2.238 0:0:0:0:0:ffff:8007:2ee
128.7.2.239 0:0:0:0:0:ffff:8007:2ef
128.7.2.240 0:0:0:0:0:ffff:8007:2f0
128.7.2.241 0:0:0:0:0:ffff:8007:2f1
128.7.2.242 0:0:0:0:0:ffff:8007:2f2
128.7.2.243 0:0:0:0:0:ffff:8007:2f3
128.7.2.244 0:0:0:0:0:ffff:8007:2f4
128.7.2.245 0:0:0:0:0:ffff:8007:2f5
128.7.2.246 0:0:0:0:0:ffff:8007:2f6
128.7.2.247 0:0:0:0:0:ffff:8007:2f7
128.7.2.248 0:0:0:0:0:ffff:8007:2f8
128.7.2.249 0:0:0:0:0:ffff:8007:2f9
128.7.2.250 0:0:0:0:0:ffff:8007:2fa
128.7.2.251 0:0:0:0:0:ffff:8007:2fb
128.7.2.252 0:0:0:0:0:ffff:8007:2fc
128.7.2.253 0:0:0:0:0:ffff:8007:2fd
128.7.2.254 0:0:0:0:0:ffff:8007:2fe
128.7.2.255 0:0:0:0:0:ffff:8007:2ff


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.