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
65.121.178.1 0:0:0:0:0:ffff:4179:b201
65.121.178.2 0:0:0:0:0:ffff:4179:b202
65.121.178.3 0:0:0:0:0:ffff:4179:b203
65.121.178.4 0:0:0:0:0:ffff:4179:b204
65.121.178.5 0:0:0:0:0:ffff:4179:b205
65.121.178.6 0:0:0:0:0:ffff:4179:b206
65.121.178.7 0:0:0:0:0:ffff:4179:b207
65.121.178.8 0:0:0:0:0:ffff:4179:b208
65.121.178.9 0:0:0:0:0:ffff:4179:b209
65.121.178.10 0:0:0:0:0:ffff:4179:b20a
65.121.178.11 0:0:0:0:0:ffff:4179:b20b
65.121.178.12 0:0:0:0:0:ffff:4179:b20c
65.121.178.13 0:0:0:0:0:ffff:4179:b20d
65.121.178.14 0:0:0:0:0:ffff:4179:b20e
65.121.178.15 0:0:0:0:0:ffff:4179:b20f
65.121.178.16 0:0:0:0:0:ffff:4179:b210
65.121.178.17 0:0:0:0:0:ffff:4179:b211
65.121.178.18 0:0:0:0:0:ffff:4179:b212
65.121.178.19 0:0:0:0:0:ffff:4179:b213
65.121.178.20 0:0:0:0:0:ffff:4179:b214
65.121.178.21 0:0:0:0:0:ffff:4179:b215
65.121.178.22 0:0:0:0:0:ffff:4179:b216
65.121.178.23 0:0:0:0:0:ffff:4179:b217
65.121.178.24 0:0:0:0:0:ffff:4179:b218
65.121.178.25 0:0:0:0:0:ffff:4179:b219
65.121.178.26 0:0:0:0:0:ffff:4179:b21a
65.121.178.27 0:0:0:0:0:ffff:4179:b21b
65.121.178.28 0:0:0:0:0:ffff:4179:b21c
65.121.178.29 0:0:0:0:0:ffff:4179:b21d
65.121.178.30 0:0:0:0:0:ffff:4179:b21e
65.121.178.31 0:0:0:0:0:ffff:4179:b21f
65.121.178.32 0:0:0:0:0:ffff:4179:b220
65.121.178.33 0:0:0:0:0:ffff:4179:b221
65.121.178.34 0:0:0:0:0:ffff:4179:b222
65.121.178.35 0:0:0:0:0:ffff:4179:b223
65.121.178.36 0:0:0:0:0:ffff:4179:b224
65.121.178.37 0:0:0:0:0:ffff:4179:b225
65.121.178.38 0:0:0:0:0:ffff:4179:b226
65.121.178.39 0:0:0:0:0:ffff:4179:b227
65.121.178.40 0:0:0:0:0:ffff:4179:b228
65.121.178.41 0:0:0:0:0:ffff:4179:b229
65.121.178.42 0:0:0:0:0:ffff:4179:b22a
65.121.178.43 0:0:0:0:0:ffff:4179:b22b
65.121.178.44 0:0:0:0:0:ffff:4179:b22c
65.121.178.45 0:0:0:0:0:ffff:4179:b22d
65.121.178.46 0:0:0:0:0:ffff:4179:b22e
65.121.178.47 0:0:0:0:0:ffff:4179:b22f
65.121.178.48 0:0:0:0:0:ffff:4179:b230
65.121.178.49 0:0:0:0:0:ffff:4179:b231
65.121.178.50 0:0:0:0:0:ffff:4179:b232
65.121.178.51 0:0:0:0:0:ffff:4179:b233
65.121.178.52 0:0:0:0:0:ffff:4179:b234
65.121.178.53 0:0:0:0:0:ffff:4179:b235
65.121.178.54 0:0:0:0:0:ffff:4179:b236
65.121.178.55 0:0:0:0:0:ffff:4179:b237
65.121.178.56 0:0:0:0:0:ffff:4179:b238
65.121.178.57 0:0:0:0:0:ffff:4179:b239
65.121.178.58 0:0:0:0:0:ffff:4179:b23a
65.121.178.59 0:0:0:0:0:ffff:4179:b23b
65.121.178.60 0:0:0:0:0:ffff:4179:b23c


65.121.178.61 0:0:0:0:0:ffff:4179:b23d
65.121.178.62 0:0:0:0:0:ffff:4179:b23e
65.121.178.63 0:0:0:0:0:ffff:4179:b23f
65.121.178.64 0:0:0:0:0:ffff:4179:b240
65.121.178.65 0:0:0:0:0:ffff:4179:b241
65.121.178.66 0:0:0:0:0:ffff:4179:b242
65.121.178.67 0:0:0:0:0:ffff:4179:b243
65.121.178.68 0:0:0:0:0:ffff:4179:b244
65.121.178.69 0:0:0:0:0:ffff:4179:b245
65.121.178.70 0:0:0:0:0:ffff:4179:b246
65.121.178.71 0:0:0:0:0:ffff:4179:b247
65.121.178.72 0:0:0:0:0:ffff:4179:b248
65.121.178.73 0:0:0:0:0:ffff:4179:b249
65.121.178.74 0:0:0:0:0:ffff:4179:b24a
65.121.178.75 0:0:0:0:0:ffff:4179:b24b
65.121.178.76 0:0:0:0:0:ffff:4179:b24c
65.121.178.77 0:0:0:0:0:ffff:4179:b24d
65.121.178.78 0:0:0:0:0:ffff:4179:b24e
65.121.178.79 0:0:0:0:0:ffff:4179:b24f
65.121.178.80 0:0:0:0:0:ffff:4179:b250
65.121.178.81 0:0:0:0:0:ffff:4179:b251
65.121.178.82 0:0:0:0:0:ffff:4179:b252
65.121.178.83 0:0:0:0:0:ffff:4179:b253
65.121.178.84 0:0:0:0:0:ffff:4179:b254
65.121.178.85 0:0:0:0:0:ffff:4179:b255
65.121.178.86 0:0:0:0:0:ffff:4179:b256
65.121.178.87 0:0:0:0:0:ffff:4179:b257
65.121.178.88 0:0:0:0:0:ffff:4179:b258
65.121.178.89 0:0:0:0:0:ffff:4179:b259
65.121.178.90 0:0:0:0:0:ffff:4179:b25a
65.121.178.91 0:0:0:0:0:ffff:4179:b25b
65.121.178.92 0:0:0:0:0:ffff:4179:b25c
65.121.178.93 0:0:0:0:0:ffff:4179:b25d
65.121.178.94 0:0:0:0:0:ffff:4179:b25e
65.121.178.95 0:0:0:0:0:ffff:4179:b25f
65.121.178.96 0:0:0:0:0:ffff:4179:b260
65.121.178.97 0:0:0:0:0:ffff:4179:b261
65.121.178.98 0:0:0:0:0:ffff:4179:b262
65.121.178.99 0:0:0:0:0:ffff:4179:b263
65.121.178.100 0:0:0:0:0:ffff:4179:b264
65.121.178.101 0:0:0:0:0:ffff:4179:b265
65.121.178.102 0:0:0:0:0:ffff:4179:b266
65.121.178.103 0:0:0:0:0:ffff:4179:b267
65.121.178.104 0:0:0:0:0:ffff:4179:b268
65.121.178.105 0:0:0:0:0:ffff:4179:b269
65.121.178.106 0:0:0:0:0:ffff:4179:b26a
65.121.178.107 0:0:0:0:0:ffff:4179:b26b
65.121.178.108 0:0:0:0:0:ffff:4179:b26c
65.121.178.109 0:0:0:0:0:ffff:4179:b26d
65.121.178.110 0:0:0:0:0:ffff:4179:b26e
65.121.178.111 0:0:0:0:0:ffff:4179:b26f
65.121.178.112 0:0:0:0:0:ffff:4179:b270
65.121.178.113 0:0:0:0:0:ffff:4179:b271
65.121.178.114 0:0:0:0:0:ffff:4179:b272
65.121.178.115 0:0:0:0:0:ffff:4179:b273
65.121.178.116 0:0:0:0:0:ffff:4179:b274
65.121.178.117 0:0:0:0:0:ffff:4179:b275
65.121.178.118 0:0:0:0:0:ffff:4179:b276
65.121.178.119 0:0:0:0:0:ffff:4179:b277
65.121.178.120 0:0:0:0:0:ffff:4179:b278


65.121.178.121 0:0:0:0:0:ffff:4179:b279
65.121.178.122 0:0:0:0:0:ffff:4179:b27a
65.121.178.123 0:0:0:0:0:ffff:4179:b27b
65.121.178.124 0:0:0:0:0:ffff:4179:b27c
65.121.178.125 0:0:0:0:0:ffff:4179:b27d
65.121.178.126 0:0:0:0:0:ffff:4179:b27e
65.121.178.127 0:0:0:0:0:ffff:4179:b27f
65.121.178.128 0:0:0:0:0:ffff:4179:b280
65.121.178.129 0:0:0:0:0:ffff:4179:b281
65.121.178.130 0:0:0:0:0:ffff:4179:b282
65.121.178.131 0:0:0:0:0:ffff:4179:b283
65.121.178.132 0:0:0:0:0:ffff:4179:b284
65.121.178.133 0:0:0:0:0:ffff:4179:b285
65.121.178.134 0:0:0:0:0:ffff:4179:b286
65.121.178.135 0:0:0:0:0:ffff:4179:b287
65.121.178.136 0:0:0:0:0:ffff:4179:b288
65.121.178.137 0:0:0:0:0:ffff:4179:b289
65.121.178.138 0:0:0:0:0:ffff:4179:b28a
65.121.178.139 0:0:0:0:0:ffff:4179:b28b
65.121.178.140 0:0:0:0:0:ffff:4179:b28c
65.121.178.141 0:0:0:0:0:ffff:4179:b28d
65.121.178.142 0:0:0:0:0:ffff:4179:b28e
65.121.178.143 0:0:0:0:0:ffff:4179:b28f
65.121.178.144 0:0:0:0:0:ffff:4179:b290
65.121.178.145 0:0:0:0:0:ffff:4179:b291
65.121.178.146 0:0:0:0:0:ffff:4179:b292
65.121.178.147 0:0:0:0:0:ffff:4179:b293
65.121.178.148 0:0:0:0:0:ffff:4179:b294
65.121.178.149 0:0:0:0:0:ffff:4179:b295
65.121.178.150 0:0:0:0:0:ffff:4179:b296
65.121.178.151 0:0:0:0:0:ffff:4179:b297
65.121.178.152 0:0:0:0:0:ffff:4179:b298
65.121.178.153 0:0:0:0:0:ffff:4179:b299
65.121.178.154 0:0:0:0:0:ffff:4179:b29a
65.121.178.155 0:0:0:0:0:ffff:4179:b29b
65.121.178.156 0:0:0:0:0:ffff:4179:b29c
65.121.178.157 0:0:0:0:0:ffff:4179:b29d
65.121.178.158 0:0:0:0:0:ffff:4179:b29e
65.121.178.159 0:0:0:0:0:ffff:4179:b29f
65.121.178.160 0:0:0:0:0:ffff:4179:b2a0
65.121.178.161 0:0:0:0:0:ffff:4179:b2a1
65.121.178.162 0:0:0:0:0:ffff:4179:b2a2
65.121.178.163 0:0:0:0:0:ffff:4179:b2a3
65.121.178.164 0:0:0:0:0:ffff:4179:b2a4
65.121.178.165 0:0:0:0:0:ffff:4179:b2a5
65.121.178.166 0:0:0:0:0:ffff:4179:b2a6
65.121.178.167 0:0:0:0:0:ffff:4179:b2a7
65.121.178.168 0:0:0:0:0:ffff:4179:b2a8
65.121.178.169 0:0:0:0:0:ffff:4179:b2a9
65.121.178.170 0:0:0:0:0:ffff:4179:b2aa
65.121.178.171 0:0:0:0:0:ffff:4179:b2ab
65.121.178.172 0:0:0:0:0:ffff:4179:b2ac
65.121.178.173 0:0:0:0:0:ffff:4179:b2ad
65.121.178.174 0:0:0:0:0:ffff:4179:b2ae
65.121.178.175 0:0:0:0:0:ffff:4179:b2af
65.121.178.176 0:0:0:0:0:ffff:4179:b2b0
65.121.178.177 0:0:0:0:0:ffff:4179:b2b1
65.121.178.178 0:0:0:0:0:ffff:4179:b2b2
65.121.178.179 0:0:0:0:0:ffff:4179:b2b3
65.121.178.180 0:0:0:0:0:ffff:4179:b2b4


65.121.178.181 0:0:0:0:0:ffff:4179:b2b5
65.121.178.182 0:0:0:0:0:ffff:4179:b2b6
65.121.178.183 0:0:0:0:0:ffff:4179:b2b7
65.121.178.184 0:0:0:0:0:ffff:4179:b2b8
65.121.178.185 0:0:0:0:0:ffff:4179:b2b9
65.121.178.186 0:0:0:0:0:ffff:4179:b2ba
65.121.178.187 0:0:0:0:0:ffff:4179:b2bb
65.121.178.188 0:0:0:0:0:ffff:4179:b2bc
65.121.178.189 0:0:0:0:0:ffff:4179:b2bd
65.121.178.190 0:0:0:0:0:ffff:4179:b2be
65.121.178.191 0:0:0:0:0:ffff:4179:b2bf
65.121.178.192 0:0:0:0:0:ffff:4179:b2c0
65.121.178.193 0:0:0:0:0:ffff:4179:b2c1
65.121.178.194 0:0:0:0:0:ffff:4179:b2c2
65.121.178.195 0:0:0:0:0:ffff:4179:b2c3
65.121.178.196 0:0:0:0:0:ffff:4179:b2c4
65.121.178.197 0:0:0:0:0:ffff:4179:b2c5
65.121.178.198 0:0:0:0:0:ffff:4179:b2c6
65.121.178.199 0:0:0:0:0:ffff:4179:b2c7
65.121.178.200 0:0:0:0:0:ffff:4179:b2c8
65.121.178.201 0:0:0:0:0:ffff:4179:b2c9
65.121.178.202 0:0:0:0:0:ffff:4179:b2ca
65.121.178.203 0:0:0:0:0:ffff:4179:b2cb
65.121.178.204 0:0:0:0:0:ffff:4179:b2cc
65.121.178.205 0:0:0:0:0:ffff:4179:b2cd
65.121.178.206 0:0:0:0:0:ffff:4179:b2ce
65.121.178.207 0:0:0:0:0:ffff:4179:b2cf
65.121.178.208 0:0:0:0:0:ffff:4179:b2d0
65.121.178.209 0:0:0:0:0:ffff:4179:b2d1
65.121.178.210 0:0:0:0:0:ffff:4179:b2d2
65.121.178.211 0:0:0:0:0:ffff:4179:b2d3
65.121.178.212 0:0:0:0:0:ffff:4179:b2d4
65.121.178.213 0:0:0:0:0:ffff:4179:b2d5
65.121.178.214 0:0:0:0:0:ffff:4179:b2d6
65.121.178.215 0:0:0:0:0:ffff:4179:b2d7
65.121.178.216 0:0:0:0:0:ffff:4179:b2d8
65.121.178.217 0:0:0:0:0:ffff:4179:b2d9
65.121.178.218 0:0:0:0:0:ffff:4179:b2da
65.121.178.219 0:0:0:0:0:ffff:4179:b2db
65.121.178.220 0:0:0:0:0:ffff:4179:b2dc
65.121.178.221 0:0:0:0:0:ffff:4179:b2dd
65.121.178.222 0:0:0:0:0:ffff:4179:b2de
65.121.178.223 0:0:0:0:0:ffff:4179:b2df
65.121.178.224 0:0:0:0:0:ffff:4179:b2e0
65.121.178.225 0:0:0:0:0:ffff:4179:b2e1
65.121.178.226 0:0:0:0:0:ffff:4179:b2e2
65.121.178.227 0:0:0:0:0:ffff:4179:b2e3
65.121.178.228 0:0:0:0:0:ffff:4179:b2e4
65.121.178.229 0:0:0:0:0:ffff:4179:b2e5
65.121.178.230 0:0:0:0:0:ffff:4179:b2e6
65.121.178.231 0:0:0:0:0:ffff:4179:b2e7
65.121.178.232 0:0:0:0:0:ffff:4179:b2e8
65.121.178.233 0:0:0:0:0:ffff:4179:b2e9
65.121.178.234 0:0:0:0:0:ffff:4179:b2ea
65.121.178.235 0:0:0:0:0:ffff:4179:b2eb
65.121.178.236 0:0:0:0:0:ffff:4179:b2ec
65.121.178.237 0:0:0:0:0:ffff:4179:b2ed
65.121.178.238 0:0:0:0:0:ffff:4179:b2ee
65.121.178.239 0:0:0:0:0:ffff:4179:b2ef
65.121.178.240 0:0:0:0:0:ffff:4179:b2f0
65.121.178.241 0:0:0:0:0:ffff:4179:b2f1
65.121.178.242 0:0:0:0:0:ffff:4179:b2f2
65.121.178.243 0:0:0:0:0:ffff:4179:b2f3
65.121.178.244 0:0:0:0:0:ffff:4179:b2f4
65.121.178.245 0:0:0:0:0:ffff:4179:b2f5
65.121.178.246 0:0:0:0:0:ffff:4179:b2f6
65.121.178.247 0:0:0:0:0:ffff:4179:b2f7
65.121.178.248 0:0:0:0:0:ffff:4179:b2f8
65.121.178.249 0:0:0:0:0:ffff:4179:b2f9
65.121.178.250 0:0:0:0:0:ffff:4179:b2fa
65.121.178.251 0:0:0:0:0:ffff:4179:b2fb
65.121.178.252 0:0:0:0:0:ffff:4179:b2fc
65.121.178.253 0:0:0:0:0:ffff:4179:b2fd
65.121.178.254 0:0:0:0:0:ffff:4179:b2fe
65.121.178.255 0:0:0:0:0:ffff:4179:b2ff


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.