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
191.15.130.1 0:0:0:0:0:ffff:bf0f:8201
191.15.130.2 0:0:0:0:0:ffff:bf0f:8202
191.15.130.3 0:0:0:0:0:ffff:bf0f:8203
191.15.130.4 0:0:0:0:0:ffff:bf0f:8204
191.15.130.5 0:0:0:0:0:ffff:bf0f:8205
191.15.130.6 0:0:0:0:0:ffff:bf0f:8206
191.15.130.7 0:0:0:0:0:ffff:bf0f:8207
191.15.130.8 0:0:0:0:0:ffff:bf0f:8208
191.15.130.9 0:0:0:0:0:ffff:bf0f:8209
191.15.130.10 0:0:0:0:0:ffff:bf0f:820a
191.15.130.11 0:0:0:0:0:ffff:bf0f:820b
191.15.130.12 0:0:0:0:0:ffff:bf0f:820c
191.15.130.13 0:0:0:0:0:ffff:bf0f:820d
191.15.130.14 0:0:0:0:0:ffff:bf0f:820e
191.15.130.15 0:0:0:0:0:ffff:bf0f:820f
191.15.130.16 0:0:0:0:0:ffff:bf0f:8210
191.15.130.17 0:0:0:0:0:ffff:bf0f:8211
191.15.130.18 0:0:0:0:0:ffff:bf0f:8212
191.15.130.19 0:0:0:0:0:ffff:bf0f:8213
191.15.130.20 0:0:0:0:0:ffff:bf0f:8214
191.15.130.21 0:0:0:0:0:ffff:bf0f:8215
191.15.130.22 0:0:0:0:0:ffff:bf0f:8216
191.15.130.23 0:0:0:0:0:ffff:bf0f:8217
191.15.130.24 0:0:0:0:0:ffff:bf0f:8218
191.15.130.25 0:0:0:0:0:ffff:bf0f:8219
191.15.130.26 0:0:0:0:0:ffff:bf0f:821a
191.15.130.27 0:0:0:0:0:ffff:bf0f:821b
191.15.130.28 0:0:0:0:0:ffff:bf0f:821c
191.15.130.29 0:0:0:0:0:ffff:bf0f:821d
191.15.130.30 0:0:0:0:0:ffff:bf0f:821e
191.15.130.31 0:0:0:0:0:ffff:bf0f:821f
191.15.130.32 0:0:0:0:0:ffff:bf0f:8220
191.15.130.33 0:0:0:0:0:ffff:bf0f:8221
191.15.130.34 0:0:0:0:0:ffff:bf0f:8222
191.15.130.35 0:0:0:0:0:ffff:bf0f:8223
191.15.130.36 0:0:0:0:0:ffff:bf0f:8224
191.15.130.37 0:0:0:0:0:ffff:bf0f:8225
191.15.130.38 0:0:0:0:0:ffff:bf0f:8226
191.15.130.39 0:0:0:0:0:ffff:bf0f:8227
191.15.130.40 0:0:0:0:0:ffff:bf0f:8228
191.15.130.41 0:0:0:0:0:ffff:bf0f:8229
191.15.130.42 0:0:0:0:0:ffff:bf0f:822a
191.15.130.43 0:0:0:0:0:ffff:bf0f:822b
191.15.130.44 0:0:0:0:0:ffff:bf0f:822c
191.15.130.45 0:0:0:0:0:ffff:bf0f:822d
191.15.130.46 0:0:0:0:0:ffff:bf0f:822e
191.15.130.47 0:0:0:0:0:ffff:bf0f:822f
191.15.130.48 0:0:0:0:0:ffff:bf0f:8230
191.15.130.49 0:0:0:0:0:ffff:bf0f:8231
191.15.130.50 0:0:0:0:0:ffff:bf0f:8232
191.15.130.51 0:0:0:0:0:ffff:bf0f:8233
191.15.130.52 0:0:0:0:0:ffff:bf0f:8234
191.15.130.53 0:0:0:0:0:ffff:bf0f:8235
191.15.130.54 0:0:0:0:0:ffff:bf0f:8236
191.15.130.55 0:0:0:0:0:ffff:bf0f:8237
191.15.130.56 0:0:0:0:0:ffff:bf0f:8238
191.15.130.57 0:0:0:0:0:ffff:bf0f:8239
191.15.130.58 0:0:0:0:0:ffff:bf0f:823a
191.15.130.59 0:0:0:0:0:ffff:bf0f:823b
191.15.130.60 0:0:0:0:0:ffff:bf0f:823c


191.15.130.61 0:0:0:0:0:ffff:bf0f:823d
191.15.130.62 0:0:0:0:0:ffff:bf0f:823e
191.15.130.63 0:0:0:0:0:ffff:bf0f:823f
191.15.130.64 0:0:0:0:0:ffff:bf0f:8240
191.15.130.65 0:0:0:0:0:ffff:bf0f:8241
191.15.130.66 0:0:0:0:0:ffff:bf0f:8242
191.15.130.67 0:0:0:0:0:ffff:bf0f:8243
191.15.130.68 0:0:0:0:0:ffff:bf0f:8244
191.15.130.69 0:0:0:0:0:ffff:bf0f:8245
191.15.130.70 0:0:0:0:0:ffff:bf0f:8246
191.15.130.71 0:0:0:0:0:ffff:bf0f:8247
191.15.130.72 0:0:0:0:0:ffff:bf0f:8248
191.15.130.73 0:0:0:0:0:ffff:bf0f:8249
191.15.130.74 0:0:0:0:0:ffff:bf0f:824a
191.15.130.75 0:0:0:0:0:ffff:bf0f:824b
191.15.130.76 0:0:0:0:0:ffff:bf0f:824c
191.15.130.77 0:0:0:0:0:ffff:bf0f:824d
191.15.130.78 0:0:0:0:0:ffff:bf0f:824e
191.15.130.79 0:0:0:0:0:ffff:bf0f:824f
191.15.130.80 0:0:0:0:0:ffff:bf0f:8250
191.15.130.81 0:0:0:0:0:ffff:bf0f:8251
191.15.130.82 0:0:0:0:0:ffff:bf0f:8252
191.15.130.83 0:0:0:0:0:ffff:bf0f:8253
191.15.130.84 0:0:0:0:0:ffff:bf0f:8254
191.15.130.85 0:0:0:0:0:ffff:bf0f:8255
191.15.130.86 0:0:0:0:0:ffff:bf0f:8256
191.15.130.87 0:0:0:0:0:ffff:bf0f:8257
191.15.130.88 0:0:0:0:0:ffff:bf0f:8258
191.15.130.89 0:0:0:0:0:ffff:bf0f:8259
191.15.130.90 0:0:0:0:0:ffff:bf0f:825a
191.15.130.91 0:0:0:0:0:ffff:bf0f:825b
191.15.130.92 0:0:0:0:0:ffff:bf0f:825c
191.15.130.93 0:0:0:0:0:ffff:bf0f:825d
191.15.130.94 0:0:0:0:0:ffff:bf0f:825e
191.15.130.95 0:0:0:0:0:ffff:bf0f:825f
191.15.130.96 0:0:0:0:0:ffff:bf0f:8260
191.15.130.97 0:0:0:0:0:ffff:bf0f:8261
191.15.130.98 0:0:0:0:0:ffff:bf0f:8262
191.15.130.99 0:0:0:0:0:ffff:bf0f:8263
191.15.130.100 0:0:0:0:0:ffff:bf0f:8264
191.15.130.101 0:0:0:0:0:ffff:bf0f:8265
191.15.130.102 0:0:0:0:0:ffff:bf0f:8266
191.15.130.103 0:0:0:0:0:ffff:bf0f:8267
191.15.130.104 0:0:0:0:0:ffff:bf0f:8268
191.15.130.105 0:0:0:0:0:ffff:bf0f:8269
191.15.130.106 0:0:0:0:0:ffff:bf0f:826a
191.15.130.107 0:0:0:0:0:ffff:bf0f:826b
191.15.130.108 0:0:0:0:0:ffff:bf0f:826c
191.15.130.109 0:0:0:0:0:ffff:bf0f:826d
191.15.130.110 0:0:0:0:0:ffff:bf0f:826e
191.15.130.111 0:0:0:0:0:ffff:bf0f:826f
191.15.130.112 0:0:0:0:0:ffff:bf0f:8270
191.15.130.113 0:0:0:0:0:ffff:bf0f:8271
191.15.130.114 0:0:0:0:0:ffff:bf0f:8272
191.15.130.115 0:0:0:0:0:ffff:bf0f:8273
191.15.130.116 0:0:0:0:0:ffff:bf0f:8274
191.15.130.117 0:0:0:0:0:ffff:bf0f:8275
191.15.130.118 0:0:0:0:0:ffff:bf0f:8276
191.15.130.119 0:0:0:0:0:ffff:bf0f:8277
191.15.130.120 0:0:0:0:0:ffff:bf0f:8278


191.15.130.121 0:0:0:0:0:ffff:bf0f:8279
191.15.130.122 0:0:0:0:0:ffff:bf0f:827a
191.15.130.123 0:0:0:0:0:ffff:bf0f:827b
191.15.130.124 0:0:0:0:0:ffff:bf0f:827c
191.15.130.125 0:0:0:0:0:ffff:bf0f:827d
191.15.130.126 0:0:0:0:0:ffff:bf0f:827e
191.15.130.127 0:0:0:0:0:ffff:bf0f:827f
191.15.130.128 0:0:0:0:0:ffff:bf0f:8280
191.15.130.129 0:0:0:0:0:ffff:bf0f:8281
191.15.130.130 0:0:0:0:0:ffff:bf0f:8282
191.15.130.131 0:0:0:0:0:ffff:bf0f:8283
191.15.130.132 0:0:0:0:0:ffff:bf0f:8284
191.15.130.133 0:0:0:0:0:ffff:bf0f:8285
191.15.130.134 0:0:0:0:0:ffff:bf0f:8286
191.15.130.135 0:0:0:0:0:ffff:bf0f:8287
191.15.130.136 0:0:0:0:0:ffff:bf0f:8288
191.15.130.137 0:0:0:0:0:ffff:bf0f:8289
191.15.130.138 0:0:0:0:0:ffff:bf0f:828a
191.15.130.139 0:0:0:0:0:ffff:bf0f:828b
191.15.130.140 0:0:0:0:0:ffff:bf0f:828c
191.15.130.141 0:0:0:0:0:ffff:bf0f:828d
191.15.130.142 0:0:0:0:0:ffff:bf0f:828e
191.15.130.143 0:0:0:0:0:ffff:bf0f:828f
191.15.130.144 0:0:0:0:0:ffff:bf0f:8290
191.15.130.145 0:0:0:0:0:ffff:bf0f:8291
191.15.130.146 0:0:0:0:0:ffff:bf0f:8292
191.15.130.147 0:0:0:0:0:ffff:bf0f:8293
191.15.130.148 0:0:0:0:0:ffff:bf0f:8294
191.15.130.149 0:0:0:0:0:ffff:bf0f:8295
191.15.130.150 0:0:0:0:0:ffff:bf0f:8296
191.15.130.151 0:0:0:0:0:ffff:bf0f:8297
191.15.130.152 0:0:0:0:0:ffff:bf0f:8298
191.15.130.153 0:0:0:0:0:ffff:bf0f:8299
191.15.130.154 0:0:0:0:0:ffff:bf0f:829a
191.15.130.155 0:0:0:0:0:ffff:bf0f:829b
191.15.130.156 0:0:0:0:0:ffff:bf0f:829c
191.15.130.157 0:0:0:0:0:ffff:bf0f:829d
191.15.130.158 0:0:0:0:0:ffff:bf0f:829e
191.15.130.159 0:0:0:0:0:ffff:bf0f:829f
191.15.130.160 0:0:0:0:0:ffff:bf0f:82a0
191.15.130.161 0:0:0:0:0:ffff:bf0f:82a1
191.15.130.162 0:0:0:0:0:ffff:bf0f:82a2
191.15.130.163 0:0:0:0:0:ffff:bf0f:82a3
191.15.130.164 0:0:0:0:0:ffff:bf0f:82a4
191.15.130.165 0:0:0:0:0:ffff:bf0f:82a5
191.15.130.166 0:0:0:0:0:ffff:bf0f:82a6
191.15.130.167 0:0:0:0:0:ffff:bf0f:82a7
191.15.130.168 0:0:0:0:0:ffff:bf0f:82a8
191.15.130.169 0:0:0:0:0:ffff:bf0f:82a9
191.15.130.170 0:0:0:0:0:ffff:bf0f:82aa
191.15.130.171 0:0:0:0:0:ffff:bf0f:82ab
191.15.130.172 0:0:0:0:0:ffff:bf0f:82ac
191.15.130.173 0:0:0:0:0:ffff:bf0f:82ad
191.15.130.174 0:0:0:0:0:ffff:bf0f:82ae
191.15.130.175 0:0:0:0:0:ffff:bf0f:82af
191.15.130.176 0:0:0:0:0:ffff:bf0f:82b0
191.15.130.177 0:0:0:0:0:ffff:bf0f:82b1
191.15.130.178 0:0:0:0:0:ffff:bf0f:82b2
191.15.130.179 0:0:0:0:0:ffff:bf0f:82b3
191.15.130.180 0:0:0:0:0:ffff:bf0f:82b4


191.15.130.181 0:0:0:0:0:ffff:bf0f:82b5
191.15.130.182 0:0:0:0:0:ffff:bf0f:82b6
191.15.130.183 0:0:0:0:0:ffff:bf0f:82b7
191.15.130.184 0:0:0:0:0:ffff:bf0f:82b8
191.15.130.185 0:0:0:0:0:ffff:bf0f:82b9
191.15.130.186 0:0:0:0:0:ffff:bf0f:82ba
191.15.130.187 0:0:0:0:0:ffff:bf0f:82bb
191.15.130.188 0:0:0:0:0:ffff:bf0f:82bc
191.15.130.189 0:0:0:0:0:ffff:bf0f:82bd
191.15.130.190 0:0:0:0:0:ffff:bf0f:82be
191.15.130.191 0:0:0:0:0:ffff:bf0f:82bf
191.15.130.192 0:0:0:0:0:ffff:bf0f:82c0
191.15.130.193 0:0:0:0:0:ffff:bf0f:82c1
191.15.130.194 0:0:0:0:0:ffff:bf0f:82c2
191.15.130.195 0:0:0:0:0:ffff:bf0f:82c3
191.15.130.196 0:0:0:0:0:ffff:bf0f:82c4
191.15.130.197 0:0:0:0:0:ffff:bf0f:82c5
191.15.130.198 0:0:0:0:0:ffff:bf0f:82c6
191.15.130.199 0:0:0:0:0:ffff:bf0f:82c7
191.15.130.200 0:0:0:0:0:ffff:bf0f:82c8
191.15.130.201 0:0:0:0:0:ffff:bf0f:82c9
191.15.130.202 0:0:0:0:0:ffff:bf0f:82ca
191.15.130.203 0:0:0:0:0:ffff:bf0f:82cb
191.15.130.204 0:0:0:0:0:ffff:bf0f:82cc
191.15.130.205 0:0:0:0:0:ffff:bf0f:82cd
191.15.130.206 0:0:0:0:0:ffff:bf0f:82ce
191.15.130.207 0:0:0:0:0:ffff:bf0f:82cf
191.15.130.208 0:0:0:0:0:ffff:bf0f:82d0
191.15.130.209 0:0:0:0:0:ffff:bf0f:82d1
191.15.130.210 0:0:0:0:0:ffff:bf0f:82d2
191.15.130.211 0:0:0:0:0:ffff:bf0f:82d3
191.15.130.212 0:0:0:0:0:ffff:bf0f:82d4
191.15.130.213 0:0:0:0:0:ffff:bf0f:82d5
191.15.130.214 0:0:0:0:0:ffff:bf0f:82d6
191.15.130.215 0:0:0:0:0:ffff:bf0f:82d7
191.15.130.216 0:0:0:0:0:ffff:bf0f:82d8
191.15.130.217 0:0:0:0:0:ffff:bf0f:82d9
191.15.130.218 0:0:0:0:0:ffff:bf0f:82da
191.15.130.219 0:0:0:0:0:ffff:bf0f:82db
191.15.130.220 0:0:0:0:0:ffff:bf0f:82dc
191.15.130.221 0:0:0:0:0:ffff:bf0f:82dd
191.15.130.222 0:0:0:0:0:ffff:bf0f:82de
191.15.130.223 0:0:0:0:0:ffff:bf0f:82df
191.15.130.224 0:0:0:0:0:ffff:bf0f:82e0
191.15.130.225 0:0:0:0:0:ffff:bf0f:82e1
191.15.130.226 0:0:0:0:0:ffff:bf0f:82e2
191.15.130.227 0:0:0:0:0:ffff:bf0f:82e3
191.15.130.228 0:0:0:0:0:ffff:bf0f:82e4
191.15.130.229 0:0:0:0:0:ffff:bf0f:82e5
191.15.130.230 0:0:0:0:0:ffff:bf0f:82e6
191.15.130.231 0:0:0:0:0:ffff:bf0f:82e7
191.15.130.232 0:0:0:0:0:ffff:bf0f:82e8
191.15.130.233 0:0:0:0:0:ffff:bf0f:82e9
191.15.130.234 0:0:0:0:0:ffff:bf0f:82ea
191.15.130.235 0:0:0:0:0:ffff:bf0f:82eb
191.15.130.236 0:0:0:0:0:ffff:bf0f:82ec
191.15.130.237 0:0:0:0:0:ffff:bf0f:82ed
191.15.130.238 0:0:0:0:0:ffff:bf0f:82ee
191.15.130.239 0:0:0:0:0:ffff:bf0f:82ef
191.15.130.240 0:0:0:0:0:ffff:bf0f:82f0
191.15.130.241 0:0:0:0:0:ffff:bf0f:82f1
191.15.130.242 0:0:0:0:0:ffff:bf0f:82f2
191.15.130.243 0:0:0:0:0:ffff:bf0f:82f3
191.15.130.244 0:0:0:0:0:ffff:bf0f:82f4
191.15.130.245 0:0:0:0:0:ffff:bf0f:82f5
191.15.130.246 0:0:0:0:0:ffff:bf0f:82f6
191.15.130.247 0:0:0:0:0:ffff:bf0f:82f7
191.15.130.248 0:0:0:0:0:ffff:bf0f:82f8
191.15.130.249 0:0:0:0:0:ffff:bf0f:82f9
191.15.130.250 0:0:0:0:0:ffff:bf0f:82fa
191.15.130.251 0:0:0:0:0:ffff:bf0f:82fb
191.15.130.252 0:0:0:0:0:ffff:bf0f:82fc
191.15.130.253 0:0:0:0:0:ffff:bf0f:82fd
191.15.130.254 0:0:0:0:0:ffff:bf0f:82fe
191.15.130.255 0:0:0:0:0:ffff:bf0f:82ff


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.