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
157.187.1.1 0:0:0:0:0:ffff:9dbb:101
157.187.1.2 0:0:0:0:0:ffff:9dbb:102
157.187.1.3 0:0:0:0:0:ffff:9dbb:103
157.187.1.4 0:0:0:0:0:ffff:9dbb:104
157.187.1.5 0:0:0:0:0:ffff:9dbb:105
157.187.1.6 0:0:0:0:0:ffff:9dbb:106
157.187.1.7 0:0:0:0:0:ffff:9dbb:107
157.187.1.8 0:0:0:0:0:ffff:9dbb:108
157.187.1.9 0:0:0:0:0:ffff:9dbb:109
157.187.1.10 0:0:0:0:0:ffff:9dbb:10a
157.187.1.11 0:0:0:0:0:ffff:9dbb:10b
157.187.1.12 0:0:0:0:0:ffff:9dbb:10c
157.187.1.13 0:0:0:0:0:ffff:9dbb:10d
157.187.1.14 0:0:0:0:0:ffff:9dbb:10e
157.187.1.15 0:0:0:0:0:ffff:9dbb:10f
157.187.1.16 0:0:0:0:0:ffff:9dbb:110
157.187.1.17 0:0:0:0:0:ffff:9dbb:111
157.187.1.18 0:0:0:0:0:ffff:9dbb:112
157.187.1.19 0:0:0:0:0:ffff:9dbb:113
157.187.1.20 0:0:0:0:0:ffff:9dbb:114
157.187.1.21 0:0:0:0:0:ffff:9dbb:115
157.187.1.22 0:0:0:0:0:ffff:9dbb:116
157.187.1.23 0:0:0:0:0:ffff:9dbb:117
157.187.1.24 0:0:0:0:0:ffff:9dbb:118
157.187.1.25 0:0:0:0:0:ffff:9dbb:119
157.187.1.26 0:0:0:0:0:ffff:9dbb:11a
157.187.1.27 0:0:0:0:0:ffff:9dbb:11b
157.187.1.28 0:0:0:0:0:ffff:9dbb:11c
157.187.1.29 0:0:0:0:0:ffff:9dbb:11d
157.187.1.30 0:0:0:0:0:ffff:9dbb:11e
157.187.1.31 0:0:0:0:0:ffff:9dbb:11f
157.187.1.32 0:0:0:0:0:ffff:9dbb:120
157.187.1.33 0:0:0:0:0:ffff:9dbb:121
157.187.1.34 0:0:0:0:0:ffff:9dbb:122
157.187.1.35 0:0:0:0:0:ffff:9dbb:123
157.187.1.36 0:0:0:0:0:ffff:9dbb:124
157.187.1.37 0:0:0:0:0:ffff:9dbb:125
157.187.1.38 0:0:0:0:0:ffff:9dbb:126
157.187.1.39 0:0:0:0:0:ffff:9dbb:127
157.187.1.40 0:0:0:0:0:ffff:9dbb:128
157.187.1.41 0:0:0:0:0:ffff:9dbb:129
157.187.1.42 0:0:0:0:0:ffff:9dbb:12a
157.187.1.43 0:0:0:0:0:ffff:9dbb:12b
157.187.1.44 0:0:0:0:0:ffff:9dbb:12c
157.187.1.45 0:0:0:0:0:ffff:9dbb:12d
157.187.1.46 0:0:0:0:0:ffff:9dbb:12e
157.187.1.47 0:0:0:0:0:ffff:9dbb:12f
157.187.1.48 0:0:0:0:0:ffff:9dbb:130
157.187.1.49 0:0:0:0:0:ffff:9dbb:131
157.187.1.50 0:0:0:0:0:ffff:9dbb:132
157.187.1.51 0:0:0:0:0:ffff:9dbb:133
157.187.1.52 0:0:0:0:0:ffff:9dbb:134
157.187.1.53 0:0:0:0:0:ffff:9dbb:135
157.187.1.54 0:0:0:0:0:ffff:9dbb:136
157.187.1.55 0:0:0:0:0:ffff:9dbb:137
157.187.1.56 0:0:0:0:0:ffff:9dbb:138
157.187.1.57 0:0:0:0:0:ffff:9dbb:139
157.187.1.58 0:0:0:0:0:ffff:9dbb:13a
157.187.1.59 0:0:0:0:0:ffff:9dbb:13b
157.187.1.60 0:0:0:0:0:ffff:9dbb:13c


157.187.1.61 0:0:0:0:0:ffff:9dbb:13d
157.187.1.62 0:0:0:0:0:ffff:9dbb:13e
157.187.1.63 0:0:0:0:0:ffff:9dbb:13f
157.187.1.64 0:0:0:0:0:ffff:9dbb:140
157.187.1.65 0:0:0:0:0:ffff:9dbb:141
157.187.1.66 0:0:0:0:0:ffff:9dbb:142
157.187.1.67 0:0:0:0:0:ffff:9dbb:143
157.187.1.68 0:0:0:0:0:ffff:9dbb:144
157.187.1.69 0:0:0:0:0:ffff:9dbb:145
157.187.1.70 0:0:0:0:0:ffff:9dbb:146
157.187.1.71 0:0:0:0:0:ffff:9dbb:147
157.187.1.72 0:0:0:0:0:ffff:9dbb:148
157.187.1.73 0:0:0:0:0:ffff:9dbb:149
157.187.1.74 0:0:0:0:0:ffff:9dbb:14a
157.187.1.75 0:0:0:0:0:ffff:9dbb:14b
157.187.1.76 0:0:0:0:0:ffff:9dbb:14c
157.187.1.77 0:0:0:0:0:ffff:9dbb:14d
157.187.1.78 0:0:0:0:0:ffff:9dbb:14e
157.187.1.79 0:0:0:0:0:ffff:9dbb:14f
157.187.1.80 0:0:0:0:0:ffff:9dbb:150
157.187.1.81 0:0:0:0:0:ffff:9dbb:151
157.187.1.82 0:0:0:0:0:ffff:9dbb:152
157.187.1.83 0:0:0:0:0:ffff:9dbb:153
157.187.1.84 0:0:0:0:0:ffff:9dbb:154
157.187.1.85 0:0:0:0:0:ffff:9dbb:155
157.187.1.86 0:0:0:0:0:ffff:9dbb:156
157.187.1.87 0:0:0:0:0:ffff:9dbb:157
157.187.1.88 0:0:0:0:0:ffff:9dbb:158
157.187.1.89 0:0:0:0:0:ffff:9dbb:159
157.187.1.90 0:0:0:0:0:ffff:9dbb:15a
157.187.1.91 0:0:0:0:0:ffff:9dbb:15b
157.187.1.92 0:0:0:0:0:ffff:9dbb:15c
157.187.1.93 0:0:0:0:0:ffff:9dbb:15d
157.187.1.94 0:0:0:0:0:ffff:9dbb:15e
157.187.1.95 0:0:0:0:0:ffff:9dbb:15f
157.187.1.96 0:0:0:0:0:ffff:9dbb:160
157.187.1.97 0:0:0:0:0:ffff:9dbb:161
157.187.1.98 0:0:0:0:0:ffff:9dbb:162
157.187.1.99 0:0:0:0:0:ffff:9dbb:163
157.187.1.100 0:0:0:0:0:ffff:9dbb:164
157.187.1.101 0:0:0:0:0:ffff:9dbb:165
157.187.1.102 0:0:0:0:0:ffff:9dbb:166
157.187.1.103 0:0:0:0:0:ffff:9dbb:167
157.187.1.104 0:0:0:0:0:ffff:9dbb:168
157.187.1.105 0:0:0:0:0:ffff:9dbb:169
157.187.1.106 0:0:0:0:0:ffff:9dbb:16a
157.187.1.107 0:0:0:0:0:ffff:9dbb:16b
157.187.1.108 0:0:0:0:0:ffff:9dbb:16c
157.187.1.109 0:0:0:0:0:ffff:9dbb:16d
157.187.1.110 0:0:0:0:0:ffff:9dbb:16e
157.187.1.111 0:0:0:0:0:ffff:9dbb:16f
157.187.1.112 0:0:0:0:0:ffff:9dbb:170
157.187.1.113 0:0:0:0:0:ffff:9dbb:171
157.187.1.114 0:0:0:0:0:ffff:9dbb:172
157.187.1.115 0:0:0:0:0:ffff:9dbb:173
157.187.1.116 0:0:0:0:0:ffff:9dbb:174
157.187.1.117 0:0:0:0:0:ffff:9dbb:175
157.187.1.118 0:0:0:0:0:ffff:9dbb:176
157.187.1.119 0:0:0:0:0:ffff:9dbb:177
157.187.1.120 0:0:0:0:0:ffff:9dbb:178


157.187.1.121 0:0:0:0:0:ffff:9dbb:179
157.187.1.122 0:0:0:0:0:ffff:9dbb:17a
157.187.1.123 0:0:0:0:0:ffff:9dbb:17b
157.187.1.124 0:0:0:0:0:ffff:9dbb:17c
157.187.1.125 0:0:0:0:0:ffff:9dbb:17d
157.187.1.126 0:0:0:0:0:ffff:9dbb:17e
157.187.1.127 0:0:0:0:0:ffff:9dbb:17f
157.187.1.128 0:0:0:0:0:ffff:9dbb:180
157.187.1.129 0:0:0:0:0:ffff:9dbb:181
157.187.1.130 0:0:0:0:0:ffff:9dbb:182
157.187.1.131 0:0:0:0:0:ffff:9dbb:183
157.187.1.132 0:0:0:0:0:ffff:9dbb:184
157.187.1.133 0:0:0:0:0:ffff:9dbb:185
157.187.1.134 0:0:0:0:0:ffff:9dbb:186
157.187.1.135 0:0:0:0:0:ffff:9dbb:187
157.187.1.136 0:0:0:0:0:ffff:9dbb:188
157.187.1.137 0:0:0:0:0:ffff:9dbb:189
157.187.1.138 0:0:0:0:0:ffff:9dbb:18a
157.187.1.139 0:0:0:0:0:ffff:9dbb:18b
157.187.1.140 0:0:0:0:0:ffff:9dbb:18c
157.187.1.141 0:0:0:0:0:ffff:9dbb:18d
157.187.1.142 0:0:0:0:0:ffff:9dbb:18e
157.187.1.143 0:0:0:0:0:ffff:9dbb:18f
157.187.1.144 0:0:0:0:0:ffff:9dbb:190
157.187.1.145 0:0:0:0:0:ffff:9dbb:191
157.187.1.146 0:0:0:0:0:ffff:9dbb:192
157.187.1.147 0:0:0:0:0:ffff:9dbb:193
157.187.1.148 0:0:0:0:0:ffff:9dbb:194
157.187.1.149 0:0:0:0:0:ffff:9dbb:195
157.187.1.150 0:0:0:0:0:ffff:9dbb:196
157.187.1.151 0:0:0:0:0:ffff:9dbb:197
157.187.1.152 0:0:0:0:0:ffff:9dbb:198
157.187.1.153 0:0:0:0:0:ffff:9dbb:199
157.187.1.154 0:0:0:0:0:ffff:9dbb:19a
157.187.1.155 0:0:0:0:0:ffff:9dbb:19b
157.187.1.156 0:0:0:0:0:ffff:9dbb:19c
157.187.1.157 0:0:0:0:0:ffff:9dbb:19d
157.187.1.158 0:0:0:0:0:ffff:9dbb:19e
157.187.1.159 0:0:0:0:0:ffff:9dbb:19f
157.187.1.160 0:0:0:0:0:ffff:9dbb:1a0
157.187.1.161 0:0:0:0:0:ffff:9dbb:1a1
157.187.1.162 0:0:0:0:0:ffff:9dbb:1a2
157.187.1.163 0:0:0:0:0:ffff:9dbb:1a3
157.187.1.164 0:0:0:0:0:ffff:9dbb:1a4
157.187.1.165 0:0:0:0:0:ffff:9dbb:1a5
157.187.1.166 0:0:0:0:0:ffff:9dbb:1a6
157.187.1.167 0:0:0:0:0:ffff:9dbb:1a7
157.187.1.168 0:0:0:0:0:ffff:9dbb:1a8
157.187.1.169 0:0:0:0:0:ffff:9dbb:1a9
157.187.1.170 0:0:0:0:0:ffff:9dbb:1aa
157.187.1.171 0:0:0:0:0:ffff:9dbb:1ab
157.187.1.172 0:0:0:0:0:ffff:9dbb:1ac
157.187.1.173 0:0:0:0:0:ffff:9dbb:1ad
157.187.1.174 0:0:0:0:0:ffff:9dbb:1ae
157.187.1.175 0:0:0:0:0:ffff:9dbb:1af
157.187.1.176 0:0:0:0:0:ffff:9dbb:1b0
157.187.1.177 0:0:0:0:0:ffff:9dbb:1b1
157.187.1.178 0:0:0:0:0:ffff:9dbb:1b2
157.187.1.179 0:0:0:0:0:ffff:9dbb:1b3
157.187.1.180 0:0:0:0:0:ffff:9dbb:1b4


157.187.1.181 0:0:0:0:0:ffff:9dbb:1b5
157.187.1.182 0:0:0:0:0:ffff:9dbb:1b6
157.187.1.183 0:0:0:0:0:ffff:9dbb:1b7
157.187.1.184 0:0:0:0:0:ffff:9dbb:1b8
157.187.1.185 0:0:0:0:0:ffff:9dbb:1b9
157.187.1.186 0:0:0:0:0:ffff:9dbb:1ba
157.187.1.187 0:0:0:0:0:ffff:9dbb:1bb
157.187.1.188 0:0:0:0:0:ffff:9dbb:1bc
157.187.1.189 0:0:0:0:0:ffff:9dbb:1bd
157.187.1.190 0:0:0:0:0:ffff:9dbb:1be
157.187.1.191 0:0:0:0:0:ffff:9dbb:1bf
157.187.1.192 0:0:0:0:0:ffff:9dbb:1c0
157.187.1.193 0:0:0:0:0:ffff:9dbb:1c1
157.187.1.194 0:0:0:0:0:ffff:9dbb:1c2
157.187.1.195 0:0:0:0:0:ffff:9dbb:1c3
157.187.1.196 0:0:0:0:0:ffff:9dbb:1c4
157.187.1.197 0:0:0:0:0:ffff:9dbb:1c5
157.187.1.198 0:0:0:0:0:ffff:9dbb:1c6
157.187.1.199 0:0:0:0:0:ffff:9dbb:1c7
157.187.1.200 0:0:0:0:0:ffff:9dbb:1c8
157.187.1.201 0:0:0:0:0:ffff:9dbb:1c9
157.187.1.202 0:0:0:0:0:ffff:9dbb:1ca
157.187.1.203 0:0:0:0:0:ffff:9dbb:1cb
157.187.1.204 0:0:0:0:0:ffff:9dbb:1cc
157.187.1.205 0:0:0:0:0:ffff:9dbb:1cd
157.187.1.206 0:0:0:0:0:ffff:9dbb:1ce
157.187.1.207 0:0:0:0:0:ffff:9dbb:1cf
157.187.1.208 0:0:0:0:0:ffff:9dbb:1d0
157.187.1.209 0:0:0:0:0:ffff:9dbb:1d1
157.187.1.210 0:0:0:0:0:ffff:9dbb:1d2
157.187.1.211 0:0:0:0:0:ffff:9dbb:1d3
157.187.1.212 0:0:0:0:0:ffff:9dbb:1d4
157.187.1.213 0:0:0:0:0:ffff:9dbb:1d5
157.187.1.214 0:0:0:0:0:ffff:9dbb:1d6
157.187.1.215 0:0:0:0:0:ffff:9dbb:1d7
157.187.1.216 0:0:0:0:0:ffff:9dbb:1d8
157.187.1.217 0:0:0:0:0:ffff:9dbb:1d9
157.187.1.218 0:0:0:0:0:ffff:9dbb:1da
157.187.1.219 0:0:0:0:0:ffff:9dbb:1db
157.187.1.220 0:0:0:0:0:ffff:9dbb:1dc
157.187.1.221 0:0:0:0:0:ffff:9dbb:1dd
157.187.1.222 0:0:0:0:0:ffff:9dbb:1de
157.187.1.223 0:0:0:0:0:ffff:9dbb:1df
157.187.1.224 0:0:0:0:0:ffff:9dbb:1e0
157.187.1.225 0:0:0:0:0:ffff:9dbb:1e1
157.187.1.226 0:0:0:0:0:ffff:9dbb:1e2
157.187.1.227 0:0:0:0:0:ffff:9dbb:1e3
157.187.1.228 0:0:0:0:0:ffff:9dbb:1e4
157.187.1.229 0:0:0:0:0:ffff:9dbb:1e5
157.187.1.230 0:0:0:0:0:ffff:9dbb:1e6
157.187.1.231 0:0:0:0:0:ffff:9dbb:1e7
157.187.1.232 0:0:0:0:0:ffff:9dbb:1e8
157.187.1.233 0:0:0:0:0:ffff:9dbb:1e9
157.187.1.234 0:0:0:0:0:ffff:9dbb:1ea
157.187.1.235 0:0:0:0:0:ffff:9dbb:1eb
157.187.1.236 0:0:0:0:0:ffff:9dbb:1ec
157.187.1.237 0:0:0:0:0:ffff:9dbb:1ed
157.187.1.238 0:0:0:0:0:ffff:9dbb:1ee
157.187.1.239 0:0:0:0:0:ffff:9dbb:1ef
157.187.1.240 0:0:0:0:0:ffff:9dbb:1f0
157.187.1.241 0:0:0:0:0:ffff:9dbb:1f1
157.187.1.242 0:0:0:0:0:ffff:9dbb:1f2
157.187.1.243 0:0:0:0:0:ffff:9dbb:1f3
157.187.1.244 0:0:0:0:0:ffff:9dbb:1f4
157.187.1.245 0:0:0:0:0:ffff:9dbb:1f5
157.187.1.246 0:0:0:0:0:ffff:9dbb:1f6
157.187.1.247 0:0:0:0:0:ffff:9dbb:1f7
157.187.1.248 0:0:0:0:0:ffff:9dbb:1f8
157.187.1.249 0:0:0:0:0:ffff:9dbb:1f9
157.187.1.250 0:0:0:0:0:ffff:9dbb:1fa
157.187.1.251 0:0:0:0:0:ffff:9dbb:1fb
157.187.1.252 0:0:0:0:0:ffff:9dbb:1fc
157.187.1.253 0:0:0:0:0:ffff:9dbb:1fd
157.187.1.254 0:0:0:0:0:ffff:9dbb:1fe
157.187.1.255 0:0:0:0:0:ffff:9dbb: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.