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
128.7.1.1 0:0:0:0:0:ffff:8007:101
128.7.1.2 0:0:0:0:0:ffff:8007:102
128.7.1.3 0:0:0:0:0:ffff:8007:103
128.7.1.4 0:0:0:0:0:ffff:8007:104
128.7.1.5 0:0:0:0:0:ffff:8007:105
128.7.1.6 0:0:0:0:0:ffff:8007:106
128.7.1.7 0:0:0:0:0:ffff:8007:107
128.7.1.8 0:0:0:0:0:ffff:8007:108
128.7.1.9 0:0:0:0:0:ffff:8007:109
128.7.1.10 0:0:0:0:0:ffff:8007:10a
128.7.1.11 0:0:0:0:0:ffff:8007:10b
128.7.1.12 0:0:0:0:0:ffff:8007:10c
128.7.1.13 0:0:0:0:0:ffff:8007:10d
128.7.1.14 0:0:0:0:0:ffff:8007:10e
128.7.1.15 0:0:0:0:0:ffff:8007:10f
128.7.1.16 0:0:0:0:0:ffff:8007:110
128.7.1.17 0:0:0:0:0:ffff:8007:111
128.7.1.18 0:0:0:0:0:ffff:8007:112
128.7.1.19 0:0:0:0:0:ffff:8007:113
128.7.1.20 0:0:0:0:0:ffff:8007:114
128.7.1.21 0:0:0:0:0:ffff:8007:115
128.7.1.22 0:0:0:0:0:ffff:8007:116
128.7.1.23 0:0:0:0:0:ffff:8007:117
128.7.1.24 0:0:0:0:0:ffff:8007:118
128.7.1.25 0:0:0:0:0:ffff:8007:119
128.7.1.26 0:0:0:0:0:ffff:8007:11a
128.7.1.27 0:0:0:0:0:ffff:8007:11b
128.7.1.28 0:0:0:0:0:ffff:8007:11c
128.7.1.29 0:0:0:0:0:ffff:8007:11d
128.7.1.30 0:0:0:0:0:ffff:8007:11e
128.7.1.31 0:0:0:0:0:ffff:8007:11f
128.7.1.32 0:0:0:0:0:ffff:8007:120
128.7.1.33 0:0:0:0:0:ffff:8007:121
128.7.1.34 0:0:0:0:0:ffff:8007:122
128.7.1.35 0:0:0:0:0:ffff:8007:123
128.7.1.36 0:0:0:0:0:ffff:8007:124
128.7.1.37 0:0:0:0:0:ffff:8007:125
128.7.1.38 0:0:0:0:0:ffff:8007:126
128.7.1.39 0:0:0:0:0:ffff:8007:127
128.7.1.40 0:0:0:0:0:ffff:8007:128
128.7.1.41 0:0:0:0:0:ffff:8007:129
128.7.1.42 0:0:0:0:0:ffff:8007:12a
128.7.1.43 0:0:0:0:0:ffff:8007:12b
128.7.1.44 0:0:0:0:0:ffff:8007:12c
128.7.1.45 0:0:0:0:0:ffff:8007:12d
128.7.1.46 0:0:0:0:0:ffff:8007:12e
128.7.1.47 0:0:0:0:0:ffff:8007:12f
128.7.1.48 0:0:0:0:0:ffff:8007:130
128.7.1.49 0:0:0:0:0:ffff:8007:131
128.7.1.50 0:0:0:0:0:ffff:8007:132
128.7.1.51 0:0:0:0:0:ffff:8007:133
128.7.1.52 0:0:0:0:0:ffff:8007:134
128.7.1.53 0:0:0:0:0:ffff:8007:135
128.7.1.54 0:0:0:0:0:ffff:8007:136
128.7.1.55 0:0:0:0:0:ffff:8007:137
128.7.1.56 0:0:0:0:0:ffff:8007:138
128.7.1.57 0:0:0:0:0:ffff:8007:139
128.7.1.58 0:0:0:0:0:ffff:8007:13a
128.7.1.59 0:0:0:0:0:ffff:8007:13b
128.7.1.60 0:0:0:0:0:ffff:8007:13c


128.7.1.61 0:0:0:0:0:ffff:8007:13d
128.7.1.62 0:0:0:0:0:ffff:8007:13e
128.7.1.63 0:0:0:0:0:ffff:8007:13f
128.7.1.64 0:0:0:0:0:ffff:8007:140
128.7.1.65 0:0:0:0:0:ffff:8007:141
128.7.1.66 0:0:0:0:0:ffff:8007:142
128.7.1.67 0:0:0:0:0:ffff:8007:143
128.7.1.68 0:0:0:0:0:ffff:8007:144
128.7.1.69 0:0:0:0:0:ffff:8007:145
128.7.1.70 0:0:0:0:0:ffff:8007:146
128.7.1.71 0:0:0:0:0:ffff:8007:147
128.7.1.72 0:0:0:0:0:ffff:8007:148
128.7.1.73 0:0:0:0:0:ffff:8007:149
128.7.1.74 0:0:0:0:0:ffff:8007:14a
128.7.1.75 0:0:0:0:0:ffff:8007:14b
128.7.1.76 0:0:0:0:0:ffff:8007:14c
128.7.1.77 0:0:0:0:0:ffff:8007:14d
128.7.1.78 0:0:0:0:0:ffff:8007:14e
128.7.1.79 0:0:0:0:0:ffff:8007:14f
128.7.1.80 0:0:0:0:0:ffff:8007:150
128.7.1.81 0:0:0:0:0:ffff:8007:151
128.7.1.82 0:0:0:0:0:ffff:8007:152
128.7.1.83 0:0:0:0:0:ffff:8007:153
128.7.1.84 0:0:0:0:0:ffff:8007:154
128.7.1.85 0:0:0:0:0:ffff:8007:155
128.7.1.86 0:0:0:0:0:ffff:8007:156
128.7.1.87 0:0:0:0:0:ffff:8007:157
128.7.1.88 0:0:0:0:0:ffff:8007:158
128.7.1.89 0:0:0:0:0:ffff:8007:159
128.7.1.90 0:0:0:0:0:ffff:8007:15a
128.7.1.91 0:0:0:0:0:ffff:8007:15b
128.7.1.92 0:0:0:0:0:ffff:8007:15c
128.7.1.93 0:0:0:0:0:ffff:8007:15d
128.7.1.94 0:0:0:0:0:ffff:8007:15e
128.7.1.95 0:0:0:0:0:ffff:8007:15f
128.7.1.96 0:0:0:0:0:ffff:8007:160
128.7.1.97 0:0:0:0:0:ffff:8007:161
128.7.1.98 0:0:0:0:0:ffff:8007:162
128.7.1.99 0:0:0:0:0:ffff:8007:163
128.7.1.100 0:0:0:0:0:ffff:8007:164
128.7.1.101 0:0:0:0:0:ffff:8007:165
128.7.1.102 0:0:0:0:0:ffff:8007:166
128.7.1.103 0:0:0:0:0:ffff:8007:167
128.7.1.104 0:0:0:0:0:ffff:8007:168
128.7.1.105 0:0:0:0:0:ffff:8007:169
128.7.1.106 0:0:0:0:0:ffff:8007:16a
128.7.1.107 0:0:0:0:0:ffff:8007:16b
128.7.1.108 0:0:0:0:0:ffff:8007:16c
128.7.1.109 0:0:0:0:0:ffff:8007:16d
128.7.1.110 0:0:0:0:0:ffff:8007:16e
128.7.1.111 0:0:0:0:0:ffff:8007:16f
128.7.1.112 0:0:0:0:0:ffff:8007:170
128.7.1.113 0:0:0:0:0:ffff:8007:171
128.7.1.114 0:0:0:0:0:ffff:8007:172
128.7.1.115 0:0:0:0:0:ffff:8007:173
128.7.1.116 0:0:0:0:0:ffff:8007:174
128.7.1.117 0:0:0:0:0:ffff:8007:175
128.7.1.118 0:0:0:0:0:ffff:8007:176
128.7.1.119 0:0:0:0:0:ffff:8007:177
128.7.1.120 0:0:0:0:0:ffff:8007:178


128.7.1.121 0:0:0:0:0:ffff:8007:179
128.7.1.122 0:0:0:0:0:ffff:8007:17a
128.7.1.123 0:0:0:0:0:ffff:8007:17b
128.7.1.124 0:0:0:0:0:ffff:8007:17c
128.7.1.125 0:0:0:0:0:ffff:8007:17d
128.7.1.126 0:0:0:0:0:ffff:8007:17e
128.7.1.127 0:0:0:0:0:ffff:8007:17f
128.7.1.128 0:0:0:0:0:ffff:8007:180
128.7.1.129 0:0:0:0:0:ffff:8007:181
128.7.1.130 0:0:0:0:0:ffff:8007:182
128.7.1.131 0:0:0:0:0:ffff:8007:183
128.7.1.132 0:0:0:0:0:ffff:8007:184
128.7.1.133 0:0:0:0:0:ffff:8007:185
128.7.1.134 0:0:0:0:0:ffff:8007:186
128.7.1.135 0:0:0:0:0:ffff:8007:187
128.7.1.136 0:0:0:0:0:ffff:8007:188
128.7.1.137 0:0:0:0:0:ffff:8007:189
128.7.1.138 0:0:0:0:0:ffff:8007:18a
128.7.1.139 0:0:0:0:0:ffff:8007:18b
128.7.1.140 0:0:0:0:0:ffff:8007:18c
128.7.1.141 0:0:0:0:0:ffff:8007:18d
128.7.1.142 0:0:0:0:0:ffff:8007:18e
128.7.1.143 0:0:0:0:0:ffff:8007:18f
128.7.1.144 0:0:0:0:0:ffff:8007:190
128.7.1.145 0:0:0:0:0:ffff:8007:191
128.7.1.146 0:0:0:0:0:ffff:8007:192
128.7.1.147 0:0:0:0:0:ffff:8007:193
128.7.1.148 0:0:0:0:0:ffff:8007:194
128.7.1.149 0:0:0:0:0:ffff:8007:195
128.7.1.150 0:0:0:0:0:ffff:8007:196
128.7.1.151 0:0:0:0:0:ffff:8007:197
128.7.1.152 0:0:0:0:0:ffff:8007:198
128.7.1.153 0:0:0:0:0:ffff:8007:199
128.7.1.154 0:0:0:0:0:ffff:8007:19a
128.7.1.155 0:0:0:0:0:ffff:8007:19b
128.7.1.156 0:0:0:0:0:ffff:8007:19c
128.7.1.157 0:0:0:0:0:ffff:8007:19d
128.7.1.158 0:0:0:0:0:ffff:8007:19e
128.7.1.159 0:0:0:0:0:ffff:8007:19f
128.7.1.160 0:0:0:0:0:ffff:8007:1a0
128.7.1.161 0:0:0:0:0:ffff:8007:1a1
128.7.1.162 0:0:0:0:0:ffff:8007:1a2
128.7.1.163 0:0:0:0:0:ffff:8007:1a3
128.7.1.164 0:0:0:0:0:ffff:8007:1a4
128.7.1.165 0:0:0:0:0:ffff:8007:1a5
128.7.1.166 0:0:0:0:0:ffff:8007:1a6
128.7.1.167 0:0:0:0:0:ffff:8007:1a7
128.7.1.168 0:0:0:0:0:ffff:8007:1a8
128.7.1.169 0:0:0:0:0:ffff:8007:1a9
128.7.1.170 0:0:0:0:0:ffff:8007:1aa
128.7.1.171 0:0:0:0:0:ffff:8007:1ab
128.7.1.172 0:0:0:0:0:ffff:8007:1ac
128.7.1.173 0:0:0:0:0:ffff:8007:1ad
128.7.1.174 0:0:0:0:0:ffff:8007:1ae
128.7.1.175 0:0:0:0:0:ffff:8007:1af
128.7.1.176 0:0:0:0:0:ffff:8007:1b0
128.7.1.177 0:0:0:0:0:ffff:8007:1b1
128.7.1.178 0:0:0:0:0:ffff:8007:1b2
128.7.1.179 0:0:0:0:0:ffff:8007:1b3
128.7.1.180 0:0:0:0:0:ffff:8007:1b4


128.7.1.181 0:0:0:0:0:ffff:8007:1b5
128.7.1.182 0:0:0:0:0:ffff:8007:1b6
128.7.1.183 0:0:0:0:0:ffff:8007:1b7
128.7.1.184 0:0:0:0:0:ffff:8007:1b8
128.7.1.185 0:0:0:0:0:ffff:8007:1b9
128.7.1.186 0:0:0:0:0:ffff:8007:1ba
128.7.1.187 0:0:0:0:0:ffff:8007:1bb
128.7.1.188 0:0:0:0:0:ffff:8007:1bc
128.7.1.189 0:0:0:0:0:ffff:8007:1bd
128.7.1.190 0:0:0:0:0:ffff:8007:1be
128.7.1.191 0:0:0:0:0:ffff:8007:1bf
128.7.1.192 0:0:0:0:0:ffff:8007:1c0
128.7.1.193 0:0:0:0:0:ffff:8007:1c1
128.7.1.194 0:0:0:0:0:ffff:8007:1c2
128.7.1.195 0:0:0:0:0:ffff:8007:1c3
128.7.1.196 0:0:0:0:0:ffff:8007:1c4
128.7.1.197 0:0:0:0:0:ffff:8007:1c5
128.7.1.198 0:0:0:0:0:ffff:8007:1c6
128.7.1.199 0:0:0:0:0:ffff:8007:1c7
128.7.1.200 0:0:0:0:0:ffff:8007:1c8
128.7.1.201 0:0:0:0:0:ffff:8007:1c9
128.7.1.202 0:0:0:0:0:ffff:8007:1ca
128.7.1.203 0:0:0:0:0:ffff:8007:1cb
128.7.1.204 0:0:0:0:0:ffff:8007:1cc
128.7.1.205 0:0:0:0:0:ffff:8007:1cd
128.7.1.206 0:0:0:0:0:ffff:8007:1ce
128.7.1.207 0:0:0:0:0:ffff:8007:1cf
128.7.1.208 0:0:0:0:0:ffff:8007:1d0
128.7.1.209 0:0:0:0:0:ffff:8007:1d1
128.7.1.210 0:0:0:0:0:ffff:8007:1d2
128.7.1.211 0:0:0:0:0:ffff:8007:1d3
128.7.1.212 0:0:0:0:0:ffff:8007:1d4
128.7.1.213 0:0:0:0:0:ffff:8007:1d5
128.7.1.214 0:0:0:0:0:ffff:8007:1d6
128.7.1.215 0:0:0:0:0:ffff:8007:1d7
128.7.1.216 0:0:0:0:0:ffff:8007:1d8
128.7.1.217 0:0:0:0:0:ffff:8007:1d9
128.7.1.218 0:0:0:0:0:ffff:8007:1da
128.7.1.219 0:0:0:0:0:ffff:8007:1db
128.7.1.220 0:0:0:0:0:ffff:8007:1dc
128.7.1.221 0:0:0:0:0:ffff:8007:1dd
128.7.1.222 0:0:0:0:0:ffff:8007:1de
128.7.1.223 0:0:0:0:0:ffff:8007:1df
128.7.1.224 0:0:0:0:0:ffff:8007:1e0
128.7.1.225 0:0:0:0:0:ffff:8007:1e1
128.7.1.226 0:0:0:0:0:ffff:8007:1e2
128.7.1.227 0:0:0:0:0:ffff:8007:1e3
128.7.1.228 0:0:0:0:0:ffff:8007:1e4
128.7.1.229 0:0:0:0:0:ffff:8007:1e5
128.7.1.230 0:0:0:0:0:ffff:8007:1e6
128.7.1.231 0:0:0:0:0:ffff:8007:1e7
128.7.1.232 0:0:0:0:0:ffff:8007:1e8
128.7.1.233 0:0:0:0:0:ffff:8007:1e9
128.7.1.234 0:0:0:0:0:ffff:8007:1ea
128.7.1.235 0:0:0:0:0:ffff:8007:1eb
128.7.1.236 0:0:0:0:0:ffff:8007:1ec
128.7.1.237 0:0:0:0:0:ffff:8007:1ed
128.7.1.238 0:0:0:0:0:ffff:8007:1ee
128.7.1.239 0:0:0:0:0:ffff:8007:1ef
128.7.1.240 0:0:0:0:0:ffff:8007:1f0
128.7.1.241 0:0:0:0:0:ffff:8007:1f1
128.7.1.242 0:0:0:0:0:ffff:8007:1f2
128.7.1.243 0:0:0:0:0:ffff:8007:1f3
128.7.1.244 0:0:0:0:0:ffff:8007:1f4
128.7.1.245 0:0:0:0:0:ffff:8007:1f5
128.7.1.246 0:0:0:0:0:ffff:8007:1f6
128.7.1.247 0:0:0:0:0:ffff:8007:1f7
128.7.1.248 0:0:0:0:0:ffff:8007:1f8
128.7.1.249 0:0:0:0:0:ffff:8007:1f9
128.7.1.250 0:0:0:0:0:ffff:8007:1fa
128.7.1.251 0:0:0:0:0:ffff:8007:1fb
128.7.1.252 0:0:0:0:0:ffff:8007:1fc
128.7.1.253 0:0:0:0:0:ffff:8007:1fd
128.7.1.254 0:0:0:0:0:ffff:8007:1fe
128.7.1.255 0:0:0:0:0:ffff:8007:1ff


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.