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
72.158.1.1 0:0:0:0:0:ffff:489e:101
72.158.1.2 0:0:0:0:0:ffff:489e:102
72.158.1.3 0:0:0:0:0:ffff:489e:103
72.158.1.4 0:0:0:0:0:ffff:489e:104
72.158.1.5 0:0:0:0:0:ffff:489e:105
72.158.1.6 0:0:0:0:0:ffff:489e:106
72.158.1.7 0:0:0:0:0:ffff:489e:107
72.158.1.8 0:0:0:0:0:ffff:489e:108
72.158.1.9 0:0:0:0:0:ffff:489e:109
72.158.1.10 0:0:0:0:0:ffff:489e:10a
72.158.1.11 0:0:0:0:0:ffff:489e:10b
72.158.1.12 0:0:0:0:0:ffff:489e:10c
72.158.1.13 0:0:0:0:0:ffff:489e:10d
72.158.1.14 0:0:0:0:0:ffff:489e:10e
72.158.1.15 0:0:0:0:0:ffff:489e:10f
72.158.1.16 0:0:0:0:0:ffff:489e:110
72.158.1.17 0:0:0:0:0:ffff:489e:111
72.158.1.18 0:0:0:0:0:ffff:489e:112
72.158.1.19 0:0:0:0:0:ffff:489e:113
72.158.1.20 0:0:0:0:0:ffff:489e:114
72.158.1.21 0:0:0:0:0:ffff:489e:115
72.158.1.22 0:0:0:0:0:ffff:489e:116
72.158.1.23 0:0:0:0:0:ffff:489e:117
72.158.1.24 0:0:0:0:0:ffff:489e:118
72.158.1.25 0:0:0:0:0:ffff:489e:119
72.158.1.26 0:0:0:0:0:ffff:489e:11a
72.158.1.27 0:0:0:0:0:ffff:489e:11b
72.158.1.28 0:0:0:0:0:ffff:489e:11c
72.158.1.29 0:0:0:0:0:ffff:489e:11d
72.158.1.30 0:0:0:0:0:ffff:489e:11e
72.158.1.31 0:0:0:0:0:ffff:489e:11f
72.158.1.32 0:0:0:0:0:ffff:489e:120
72.158.1.33 0:0:0:0:0:ffff:489e:121
72.158.1.34 0:0:0:0:0:ffff:489e:122
72.158.1.35 0:0:0:0:0:ffff:489e:123
72.158.1.36 0:0:0:0:0:ffff:489e:124
72.158.1.37 0:0:0:0:0:ffff:489e:125
72.158.1.38 0:0:0:0:0:ffff:489e:126
72.158.1.39 0:0:0:0:0:ffff:489e:127
72.158.1.40 0:0:0:0:0:ffff:489e:128
72.158.1.41 0:0:0:0:0:ffff:489e:129
72.158.1.42 0:0:0:0:0:ffff:489e:12a
72.158.1.43 0:0:0:0:0:ffff:489e:12b
72.158.1.44 0:0:0:0:0:ffff:489e:12c
72.158.1.45 0:0:0:0:0:ffff:489e:12d
72.158.1.46 0:0:0:0:0:ffff:489e:12e
72.158.1.47 0:0:0:0:0:ffff:489e:12f
72.158.1.48 0:0:0:0:0:ffff:489e:130
72.158.1.49 0:0:0:0:0:ffff:489e:131
72.158.1.50 0:0:0:0:0:ffff:489e:132
72.158.1.51 0:0:0:0:0:ffff:489e:133
72.158.1.52 0:0:0:0:0:ffff:489e:134
72.158.1.53 0:0:0:0:0:ffff:489e:135
72.158.1.54 0:0:0:0:0:ffff:489e:136
72.158.1.55 0:0:0:0:0:ffff:489e:137
72.158.1.56 0:0:0:0:0:ffff:489e:138
72.158.1.57 0:0:0:0:0:ffff:489e:139
72.158.1.58 0:0:0:0:0:ffff:489e:13a
72.158.1.59 0:0:0:0:0:ffff:489e:13b
72.158.1.60 0:0:0:0:0:ffff:489e:13c


72.158.1.61 0:0:0:0:0:ffff:489e:13d
72.158.1.62 0:0:0:0:0:ffff:489e:13e
72.158.1.63 0:0:0:0:0:ffff:489e:13f
72.158.1.64 0:0:0:0:0:ffff:489e:140
72.158.1.65 0:0:0:0:0:ffff:489e:141
72.158.1.66 0:0:0:0:0:ffff:489e:142
72.158.1.67 0:0:0:0:0:ffff:489e:143
72.158.1.68 0:0:0:0:0:ffff:489e:144
72.158.1.69 0:0:0:0:0:ffff:489e:145
72.158.1.70 0:0:0:0:0:ffff:489e:146
72.158.1.71 0:0:0:0:0:ffff:489e:147
72.158.1.72 0:0:0:0:0:ffff:489e:148
72.158.1.73 0:0:0:0:0:ffff:489e:149
72.158.1.74 0:0:0:0:0:ffff:489e:14a
72.158.1.75 0:0:0:0:0:ffff:489e:14b
72.158.1.76 0:0:0:0:0:ffff:489e:14c
72.158.1.77 0:0:0:0:0:ffff:489e:14d
72.158.1.78 0:0:0:0:0:ffff:489e:14e
72.158.1.79 0:0:0:0:0:ffff:489e:14f
72.158.1.80 0:0:0:0:0:ffff:489e:150
72.158.1.81 0:0:0:0:0:ffff:489e:151
72.158.1.82 0:0:0:0:0:ffff:489e:152
72.158.1.83 0:0:0:0:0:ffff:489e:153
72.158.1.84 0:0:0:0:0:ffff:489e:154
72.158.1.85 0:0:0:0:0:ffff:489e:155
72.158.1.86 0:0:0:0:0:ffff:489e:156
72.158.1.87 0:0:0:0:0:ffff:489e:157
72.158.1.88 0:0:0:0:0:ffff:489e:158
72.158.1.89 0:0:0:0:0:ffff:489e:159
72.158.1.90 0:0:0:0:0:ffff:489e:15a
72.158.1.91 0:0:0:0:0:ffff:489e:15b
72.158.1.92 0:0:0:0:0:ffff:489e:15c
72.158.1.93 0:0:0:0:0:ffff:489e:15d
72.158.1.94 0:0:0:0:0:ffff:489e:15e
72.158.1.95 0:0:0:0:0:ffff:489e:15f
72.158.1.96 0:0:0:0:0:ffff:489e:160
72.158.1.97 0:0:0:0:0:ffff:489e:161
72.158.1.98 0:0:0:0:0:ffff:489e:162
72.158.1.99 0:0:0:0:0:ffff:489e:163
72.158.1.100 0:0:0:0:0:ffff:489e:164
72.158.1.101 0:0:0:0:0:ffff:489e:165
72.158.1.102 0:0:0:0:0:ffff:489e:166
72.158.1.103 0:0:0:0:0:ffff:489e:167
72.158.1.104 0:0:0:0:0:ffff:489e:168
72.158.1.105 0:0:0:0:0:ffff:489e:169
72.158.1.106 0:0:0:0:0:ffff:489e:16a
72.158.1.107 0:0:0:0:0:ffff:489e:16b
72.158.1.108 0:0:0:0:0:ffff:489e:16c
72.158.1.109 0:0:0:0:0:ffff:489e:16d
72.158.1.110 0:0:0:0:0:ffff:489e:16e
72.158.1.111 0:0:0:0:0:ffff:489e:16f
72.158.1.112 0:0:0:0:0:ffff:489e:170
72.158.1.113 0:0:0:0:0:ffff:489e:171
72.158.1.114 0:0:0:0:0:ffff:489e:172
72.158.1.115 0:0:0:0:0:ffff:489e:173
72.158.1.116 0:0:0:0:0:ffff:489e:174
72.158.1.117 0:0:0:0:0:ffff:489e:175
72.158.1.118 0:0:0:0:0:ffff:489e:176
72.158.1.119 0:0:0:0:0:ffff:489e:177
72.158.1.120 0:0:0:0:0:ffff:489e:178


72.158.1.121 0:0:0:0:0:ffff:489e:179
72.158.1.122 0:0:0:0:0:ffff:489e:17a
72.158.1.123 0:0:0:0:0:ffff:489e:17b
72.158.1.124 0:0:0:0:0:ffff:489e:17c
72.158.1.125 0:0:0:0:0:ffff:489e:17d
72.158.1.126 0:0:0:0:0:ffff:489e:17e
72.158.1.127 0:0:0:0:0:ffff:489e:17f
72.158.1.128 0:0:0:0:0:ffff:489e:180
72.158.1.129 0:0:0:0:0:ffff:489e:181
72.158.1.130 0:0:0:0:0:ffff:489e:182
72.158.1.131 0:0:0:0:0:ffff:489e:183
72.158.1.132 0:0:0:0:0:ffff:489e:184
72.158.1.133 0:0:0:0:0:ffff:489e:185
72.158.1.134 0:0:0:0:0:ffff:489e:186
72.158.1.135 0:0:0:0:0:ffff:489e:187
72.158.1.136 0:0:0:0:0:ffff:489e:188
72.158.1.137 0:0:0:0:0:ffff:489e:189
72.158.1.138 0:0:0:0:0:ffff:489e:18a
72.158.1.139 0:0:0:0:0:ffff:489e:18b
72.158.1.140 0:0:0:0:0:ffff:489e:18c
72.158.1.141 0:0:0:0:0:ffff:489e:18d
72.158.1.142 0:0:0:0:0:ffff:489e:18e
72.158.1.143 0:0:0:0:0:ffff:489e:18f
72.158.1.144 0:0:0:0:0:ffff:489e:190
72.158.1.145 0:0:0:0:0:ffff:489e:191
72.158.1.146 0:0:0:0:0:ffff:489e:192
72.158.1.147 0:0:0:0:0:ffff:489e:193
72.158.1.148 0:0:0:0:0:ffff:489e:194
72.158.1.149 0:0:0:0:0:ffff:489e:195
72.158.1.150 0:0:0:0:0:ffff:489e:196
72.158.1.151 0:0:0:0:0:ffff:489e:197
72.158.1.152 0:0:0:0:0:ffff:489e:198
72.158.1.153 0:0:0:0:0:ffff:489e:199
72.158.1.154 0:0:0:0:0:ffff:489e:19a
72.158.1.155 0:0:0:0:0:ffff:489e:19b
72.158.1.156 0:0:0:0:0:ffff:489e:19c
72.158.1.157 0:0:0:0:0:ffff:489e:19d
72.158.1.158 0:0:0:0:0:ffff:489e:19e
72.158.1.159 0:0:0:0:0:ffff:489e:19f
72.158.1.160 0:0:0:0:0:ffff:489e:1a0
72.158.1.161 0:0:0:0:0:ffff:489e:1a1
72.158.1.162 0:0:0:0:0:ffff:489e:1a2
72.158.1.163 0:0:0:0:0:ffff:489e:1a3
72.158.1.164 0:0:0:0:0:ffff:489e:1a4
72.158.1.165 0:0:0:0:0:ffff:489e:1a5
72.158.1.166 0:0:0:0:0:ffff:489e:1a6
72.158.1.167 0:0:0:0:0:ffff:489e:1a7
72.158.1.168 0:0:0:0:0:ffff:489e:1a8
72.158.1.169 0:0:0:0:0:ffff:489e:1a9
72.158.1.170 0:0:0:0:0:ffff:489e:1aa
72.158.1.171 0:0:0:0:0:ffff:489e:1ab
72.158.1.172 0:0:0:0:0:ffff:489e:1ac
72.158.1.173 0:0:0:0:0:ffff:489e:1ad
72.158.1.174 0:0:0:0:0:ffff:489e:1ae
72.158.1.175 0:0:0:0:0:ffff:489e:1af
72.158.1.176 0:0:0:0:0:ffff:489e:1b0
72.158.1.177 0:0:0:0:0:ffff:489e:1b1
72.158.1.178 0:0:0:0:0:ffff:489e:1b2
72.158.1.179 0:0:0:0:0:ffff:489e:1b3
72.158.1.180 0:0:0:0:0:ffff:489e:1b4


72.158.1.181 0:0:0:0:0:ffff:489e:1b5
72.158.1.182 0:0:0:0:0:ffff:489e:1b6
72.158.1.183 0:0:0:0:0:ffff:489e:1b7
72.158.1.184 0:0:0:0:0:ffff:489e:1b8
72.158.1.185 0:0:0:0:0:ffff:489e:1b9
72.158.1.186 0:0:0:0:0:ffff:489e:1ba
72.158.1.187 0:0:0:0:0:ffff:489e:1bb
72.158.1.188 0:0:0:0:0:ffff:489e:1bc
72.158.1.189 0:0:0:0:0:ffff:489e:1bd
72.158.1.190 0:0:0:0:0:ffff:489e:1be
72.158.1.191 0:0:0:0:0:ffff:489e:1bf
72.158.1.192 0:0:0:0:0:ffff:489e:1c0
72.158.1.193 0:0:0:0:0:ffff:489e:1c1
72.158.1.194 0:0:0:0:0:ffff:489e:1c2
72.158.1.195 0:0:0:0:0:ffff:489e:1c3
72.158.1.196 0:0:0:0:0:ffff:489e:1c4
72.158.1.197 0:0:0:0:0:ffff:489e:1c5
72.158.1.198 0:0:0:0:0:ffff:489e:1c6
72.158.1.199 0:0:0:0:0:ffff:489e:1c7
72.158.1.200 0:0:0:0:0:ffff:489e:1c8
72.158.1.201 0:0:0:0:0:ffff:489e:1c9
72.158.1.202 0:0:0:0:0:ffff:489e:1ca
72.158.1.203 0:0:0:0:0:ffff:489e:1cb
72.158.1.204 0:0:0:0:0:ffff:489e:1cc
72.158.1.205 0:0:0:0:0:ffff:489e:1cd
72.158.1.206 0:0:0:0:0:ffff:489e:1ce
72.158.1.207 0:0:0:0:0:ffff:489e:1cf
72.158.1.208 0:0:0:0:0:ffff:489e:1d0
72.158.1.209 0:0:0:0:0:ffff:489e:1d1
72.158.1.210 0:0:0:0:0:ffff:489e:1d2
72.158.1.211 0:0:0:0:0:ffff:489e:1d3
72.158.1.212 0:0:0:0:0:ffff:489e:1d4
72.158.1.213 0:0:0:0:0:ffff:489e:1d5
72.158.1.214 0:0:0:0:0:ffff:489e:1d6
72.158.1.215 0:0:0:0:0:ffff:489e:1d7
72.158.1.216 0:0:0:0:0:ffff:489e:1d8
72.158.1.217 0:0:0:0:0:ffff:489e:1d9
72.158.1.218 0:0:0:0:0:ffff:489e:1da
72.158.1.219 0:0:0:0:0:ffff:489e:1db
72.158.1.220 0:0:0:0:0:ffff:489e:1dc
72.158.1.221 0:0:0:0:0:ffff:489e:1dd
72.158.1.222 0:0:0:0:0:ffff:489e:1de
72.158.1.223 0:0:0:0:0:ffff:489e:1df
72.158.1.224 0:0:0:0:0:ffff:489e:1e0
72.158.1.225 0:0:0:0:0:ffff:489e:1e1
72.158.1.226 0:0:0:0:0:ffff:489e:1e2
72.158.1.227 0:0:0:0:0:ffff:489e:1e3
72.158.1.228 0:0:0:0:0:ffff:489e:1e4
72.158.1.229 0:0:0:0:0:ffff:489e:1e5
72.158.1.230 0:0:0:0:0:ffff:489e:1e6
72.158.1.231 0:0:0:0:0:ffff:489e:1e7
72.158.1.232 0:0:0:0:0:ffff:489e:1e8
72.158.1.233 0:0:0:0:0:ffff:489e:1e9
72.158.1.234 0:0:0:0:0:ffff:489e:1ea
72.158.1.235 0:0:0:0:0:ffff:489e:1eb
72.158.1.236 0:0:0:0:0:ffff:489e:1ec
72.158.1.237 0:0:0:0:0:ffff:489e:1ed
72.158.1.238 0:0:0:0:0:ffff:489e:1ee
72.158.1.239 0:0:0:0:0:ffff:489e:1ef
72.158.1.240 0:0:0:0:0:ffff:489e:1f0
72.158.1.241 0:0:0:0:0:ffff:489e:1f1
72.158.1.242 0:0:0:0:0:ffff:489e:1f2
72.158.1.243 0:0:0:0:0:ffff:489e:1f3
72.158.1.244 0:0:0:0:0:ffff:489e:1f4
72.158.1.245 0:0:0:0:0:ffff:489e:1f5
72.158.1.246 0:0:0:0:0:ffff:489e:1f6
72.158.1.247 0:0:0:0:0:ffff:489e:1f7
72.158.1.248 0:0:0:0:0:ffff:489e:1f8
72.158.1.249 0:0:0:0:0:ffff:489e:1f9
72.158.1.250 0:0:0:0:0:ffff:489e:1fa
72.158.1.251 0:0:0:0:0:ffff:489e:1fb
72.158.1.252 0:0:0:0:0:ffff:489e:1fc
72.158.1.253 0:0:0:0:0:ffff:489e:1fd
72.158.1.254 0:0:0:0:0:ffff:489e:1fe
72.158.1.255 0:0:0:0:0:ffff:489e: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.