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
65.121.194.1 0:0:0:0:0:ffff:4179:c201
65.121.194.2 0:0:0:0:0:ffff:4179:c202
65.121.194.3 0:0:0:0:0:ffff:4179:c203
65.121.194.4 0:0:0:0:0:ffff:4179:c204
65.121.194.5 0:0:0:0:0:ffff:4179:c205
65.121.194.6 0:0:0:0:0:ffff:4179:c206
65.121.194.7 0:0:0:0:0:ffff:4179:c207
65.121.194.8 0:0:0:0:0:ffff:4179:c208
65.121.194.9 0:0:0:0:0:ffff:4179:c209
65.121.194.10 0:0:0:0:0:ffff:4179:c20a
65.121.194.11 0:0:0:0:0:ffff:4179:c20b
65.121.194.12 0:0:0:0:0:ffff:4179:c20c
65.121.194.13 0:0:0:0:0:ffff:4179:c20d
65.121.194.14 0:0:0:0:0:ffff:4179:c20e
65.121.194.15 0:0:0:0:0:ffff:4179:c20f
65.121.194.16 0:0:0:0:0:ffff:4179:c210
65.121.194.17 0:0:0:0:0:ffff:4179:c211
65.121.194.18 0:0:0:0:0:ffff:4179:c212
65.121.194.19 0:0:0:0:0:ffff:4179:c213
65.121.194.20 0:0:0:0:0:ffff:4179:c214
65.121.194.21 0:0:0:0:0:ffff:4179:c215
65.121.194.22 0:0:0:0:0:ffff:4179:c216
65.121.194.23 0:0:0:0:0:ffff:4179:c217
65.121.194.24 0:0:0:0:0:ffff:4179:c218
65.121.194.25 0:0:0:0:0:ffff:4179:c219
65.121.194.26 0:0:0:0:0:ffff:4179:c21a
65.121.194.27 0:0:0:0:0:ffff:4179:c21b
65.121.194.28 0:0:0:0:0:ffff:4179:c21c
65.121.194.29 0:0:0:0:0:ffff:4179:c21d
65.121.194.30 0:0:0:0:0:ffff:4179:c21e
65.121.194.31 0:0:0:0:0:ffff:4179:c21f
65.121.194.32 0:0:0:0:0:ffff:4179:c220
65.121.194.33 0:0:0:0:0:ffff:4179:c221
65.121.194.34 0:0:0:0:0:ffff:4179:c222
65.121.194.35 0:0:0:0:0:ffff:4179:c223
65.121.194.36 0:0:0:0:0:ffff:4179:c224
65.121.194.37 0:0:0:0:0:ffff:4179:c225
65.121.194.38 0:0:0:0:0:ffff:4179:c226
65.121.194.39 0:0:0:0:0:ffff:4179:c227
65.121.194.40 0:0:0:0:0:ffff:4179:c228
65.121.194.41 0:0:0:0:0:ffff:4179:c229
65.121.194.42 0:0:0:0:0:ffff:4179:c22a
65.121.194.43 0:0:0:0:0:ffff:4179:c22b
65.121.194.44 0:0:0:0:0:ffff:4179:c22c
65.121.194.45 0:0:0:0:0:ffff:4179:c22d
65.121.194.46 0:0:0:0:0:ffff:4179:c22e
65.121.194.47 0:0:0:0:0:ffff:4179:c22f
65.121.194.48 0:0:0:0:0:ffff:4179:c230
65.121.194.49 0:0:0:0:0:ffff:4179:c231
65.121.194.50 0:0:0:0:0:ffff:4179:c232
65.121.194.51 0:0:0:0:0:ffff:4179:c233
65.121.194.52 0:0:0:0:0:ffff:4179:c234
65.121.194.53 0:0:0:0:0:ffff:4179:c235
65.121.194.54 0:0:0:0:0:ffff:4179:c236
65.121.194.55 0:0:0:0:0:ffff:4179:c237
65.121.194.56 0:0:0:0:0:ffff:4179:c238
65.121.194.57 0:0:0:0:0:ffff:4179:c239
65.121.194.58 0:0:0:0:0:ffff:4179:c23a
65.121.194.59 0:0:0:0:0:ffff:4179:c23b
65.121.194.60 0:0:0:0:0:ffff:4179:c23c


65.121.194.61 0:0:0:0:0:ffff:4179:c23d
65.121.194.62 0:0:0:0:0:ffff:4179:c23e
65.121.194.63 0:0:0:0:0:ffff:4179:c23f
65.121.194.64 0:0:0:0:0:ffff:4179:c240
65.121.194.65 0:0:0:0:0:ffff:4179:c241
65.121.194.66 0:0:0:0:0:ffff:4179:c242
65.121.194.67 0:0:0:0:0:ffff:4179:c243
65.121.194.68 0:0:0:0:0:ffff:4179:c244
65.121.194.69 0:0:0:0:0:ffff:4179:c245
65.121.194.70 0:0:0:0:0:ffff:4179:c246
65.121.194.71 0:0:0:0:0:ffff:4179:c247
65.121.194.72 0:0:0:0:0:ffff:4179:c248
65.121.194.73 0:0:0:0:0:ffff:4179:c249
65.121.194.74 0:0:0:0:0:ffff:4179:c24a
65.121.194.75 0:0:0:0:0:ffff:4179:c24b
65.121.194.76 0:0:0:0:0:ffff:4179:c24c
65.121.194.77 0:0:0:0:0:ffff:4179:c24d
65.121.194.78 0:0:0:0:0:ffff:4179:c24e
65.121.194.79 0:0:0:0:0:ffff:4179:c24f
65.121.194.80 0:0:0:0:0:ffff:4179:c250
65.121.194.81 0:0:0:0:0:ffff:4179:c251
65.121.194.82 0:0:0:0:0:ffff:4179:c252
65.121.194.83 0:0:0:0:0:ffff:4179:c253
65.121.194.84 0:0:0:0:0:ffff:4179:c254
65.121.194.85 0:0:0:0:0:ffff:4179:c255
65.121.194.86 0:0:0:0:0:ffff:4179:c256
65.121.194.87 0:0:0:0:0:ffff:4179:c257
65.121.194.88 0:0:0:0:0:ffff:4179:c258
65.121.194.89 0:0:0:0:0:ffff:4179:c259
65.121.194.90 0:0:0:0:0:ffff:4179:c25a
65.121.194.91 0:0:0:0:0:ffff:4179:c25b
65.121.194.92 0:0:0:0:0:ffff:4179:c25c
65.121.194.93 0:0:0:0:0:ffff:4179:c25d
65.121.194.94 0:0:0:0:0:ffff:4179:c25e
65.121.194.95 0:0:0:0:0:ffff:4179:c25f
65.121.194.96 0:0:0:0:0:ffff:4179:c260
65.121.194.97 0:0:0:0:0:ffff:4179:c261
65.121.194.98 0:0:0:0:0:ffff:4179:c262
65.121.194.99 0:0:0:0:0:ffff:4179:c263
65.121.194.100 0:0:0:0:0:ffff:4179:c264
65.121.194.101 0:0:0:0:0:ffff:4179:c265
65.121.194.102 0:0:0:0:0:ffff:4179:c266
65.121.194.103 0:0:0:0:0:ffff:4179:c267
65.121.194.104 0:0:0:0:0:ffff:4179:c268
65.121.194.105 0:0:0:0:0:ffff:4179:c269
65.121.194.106 0:0:0:0:0:ffff:4179:c26a
65.121.194.107 0:0:0:0:0:ffff:4179:c26b
65.121.194.108 0:0:0:0:0:ffff:4179:c26c
65.121.194.109 0:0:0:0:0:ffff:4179:c26d
65.121.194.110 0:0:0:0:0:ffff:4179:c26e
65.121.194.111 0:0:0:0:0:ffff:4179:c26f
65.121.194.112 0:0:0:0:0:ffff:4179:c270
65.121.194.113 0:0:0:0:0:ffff:4179:c271
65.121.194.114 0:0:0:0:0:ffff:4179:c272
65.121.194.115 0:0:0:0:0:ffff:4179:c273
65.121.194.116 0:0:0:0:0:ffff:4179:c274
65.121.194.117 0:0:0:0:0:ffff:4179:c275
65.121.194.118 0:0:0:0:0:ffff:4179:c276
65.121.194.119 0:0:0:0:0:ffff:4179:c277
65.121.194.120 0:0:0:0:0:ffff:4179:c278


65.121.194.121 0:0:0:0:0:ffff:4179:c279
65.121.194.122 0:0:0:0:0:ffff:4179:c27a
65.121.194.123 0:0:0:0:0:ffff:4179:c27b
65.121.194.124 0:0:0:0:0:ffff:4179:c27c
65.121.194.125 0:0:0:0:0:ffff:4179:c27d
65.121.194.126 0:0:0:0:0:ffff:4179:c27e
65.121.194.127 0:0:0:0:0:ffff:4179:c27f
65.121.194.128 0:0:0:0:0:ffff:4179:c280
65.121.194.129 0:0:0:0:0:ffff:4179:c281
65.121.194.130 0:0:0:0:0:ffff:4179:c282
65.121.194.131 0:0:0:0:0:ffff:4179:c283
65.121.194.132 0:0:0:0:0:ffff:4179:c284
65.121.194.133 0:0:0:0:0:ffff:4179:c285
65.121.194.134 0:0:0:0:0:ffff:4179:c286
65.121.194.135 0:0:0:0:0:ffff:4179:c287
65.121.194.136 0:0:0:0:0:ffff:4179:c288
65.121.194.137 0:0:0:0:0:ffff:4179:c289
65.121.194.138 0:0:0:0:0:ffff:4179:c28a
65.121.194.139 0:0:0:0:0:ffff:4179:c28b
65.121.194.140 0:0:0:0:0:ffff:4179:c28c
65.121.194.141 0:0:0:0:0:ffff:4179:c28d
65.121.194.142 0:0:0:0:0:ffff:4179:c28e
65.121.194.143 0:0:0:0:0:ffff:4179:c28f
65.121.194.144 0:0:0:0:0:ffff:4179:c290
65.121.194.145 0:0:0:0:0:ffff:4179:c291
65.121.194.146 0:0:0:0:0:ffff:4179:c292
65.121.194.147 0:0:0:0:0:ffff:4179:c293
65.121.194.148 0:0:0:0:0:ffff:4179:c294
65.121.194.149 0:0:0:0:0:ffff:4179:c295
65.121.194.150 0:0:0:0:0:ffff:4179:c296
65.121.194.151 0:0:0:0:0:ffff:4179:c297
65.121.194.152 0:0:0:0:0:ffff:4179:c298
65.121.194.153 0:0:0:0:0:ffff:4179:c299
65.121.194.154 0:0:0:0:0:ffff:4179:c29a
65.121.194.155 0:0:0:0:0:ffff:4179:c29b
65.121.194.156 0:0:0:0:0:ffff:4179:c29c
65.121.194.157 0:0:0:0:0:ffff:4179:c29d
65.121.194.158 0:0:0:0:0:ffff:4179:c29e
65.121.194.159 0:0:0:0:0:ffff:4179:c29f
65.121.194.160 0:0:0:0:0:ffff:4179:c2a0
65.121.194.161 0:0:0:0:0:ffff:4179:c2a1
65.121.194.162 0:0:0:0:0:ffff:4179:c2a2
65.121.194.163 0:0:0:0:0:ffff:4179:c2a3
65.121.194.164 0:0:0:0:0:ffff:4179:c2a4
65.121.194.165 0:0:0:0:0:ffff:4179:c2a5
65.121.194.166 0:0:0:0:0:ffff:4179:c2a6
65.121.194.167 0:0:0:0:0:ffff:4179:c2a7
65.121.194.168 0:0:0:0:0:ffff:4179:c2a8
65.121.194.169 0:0:0:0:0:ffff:4179:c2a9
65.121.194.170 0:0:0:0:0:ffff:4179:c2aa
65.121.194.171 0:0:0:0:0:ffff:4179:c2ab
65.121.194.172 0:0:0:0:0:ffff:4179:c2ac
65.121.194.173 0:0:0:0:0:ffff:4179:c2ad
65.121.194.174 0:0:0:0:0:ffff:4179:c2ae
65.121.194.175 0:0:0:0:0:ffff:4179:c2af
65.121.194.176 0:0:0:0:0:ffff:4179:c2b0
65.121.194.177 0:0:0:0:0:ffff:4179:c2b1
65.121.194.178 0:0:0:0:0:ffff:4179:c2b2
65.121.194.179 0:0:0:0:0:ffff:4179:c2b3
65.121.194.180 0:0:0:0:0:ffff:4179:c2b4


65.121.194.181 0:0:0:0:0:ffff:4179:c2b5
65.121.194.182 0:0:0:0:0:ffff:4179:c2b6
65.121.194.183 0:0:0:0:0:ffff:4179:c2b7
65.121.194.184 0:0:0:0:0:ffff:4179:c2b8
65.121.194.185 0:0:0:0:0:ffff:4179:c2b9
65.121.194.186 0:0:0:0:0:ffff:4179:c2ba
65.121.194.187 0:0:0:0:0:ffff:4179:c2bb
65.121.194.188 0:0:0:0:0:ffff:4179:c2bc
65.121.194.189 0:0:0:0:0:ffff:4179:c2bd
65.121.194.190 0:0:0:0:0:ffff:4179:c2be
65.121.194.191 0:0:0:0:0:ffff:4179:c2bf
65.121.194.192 0:0:0:0:0:ffff:4179:c2c0
65.121.194.193 0:0:0:0:0:ffff:4179:c2c1
65.121.194.194 0:0:0:0:0:ffff:4179:c2c2
65.121.194.195 0:0:0:0:0:ffff:4179:c2c3
65.121.194.196 0:0:0:0:0:ffff:4179:c2c4
65.121.194.197 0:0:0:0:0:ffff:4179:c2c5
65.121.194.198 0:0:0:0:0:ffff:4179:c2c6
65.121.194.199 0:0:0:0:0:ffff:4179:c2c7
65.121.194.200 0:0:0:0:0:ffff:4179:c2c8
65.121.194.201 0:0:0:0:0:ffff:4179:c2c9
65.121.194.202 0:0:0:0:0:ffff:4179:c2ca
65.121.194.203 0:0:0:0:0:ffff:4179:c2cb
65.121.194.204 0:0:0:0:0:ffff:4179:c2cc
65.121.194.205 0:0:0:0:0:ffff:4179:c2cd
65.121.194.206 0:0:0:0:0:ffff:4179:c2ce
65.121.194.207 0:0:0:0:0:ffff:4179:c2cf
65.121.194.208 0:0:0:0:0:ffff:4179:c2d0
65.121.194.209 0:0:0:0:0:ffff:4179:c2d1
65.121.194.210 0:0:0:0:0:ffff:4179:c2d2
65.121.194.211 0:0:0:0:0:ffff:4179:c2d3
65.121.194.212 0:0:0:0:0:ffff:4179:c2d4
65.121.194.213 0:0:0:0:0:ffff:4179:c2d5
65.121.194.214 0:0:0:0:0:ffff:4179:c2d6
65.121.194.215 0:0:0:0:0:ffff:4179:c2d7
65.121.194.216 0:0:0:0:0:ffff:4179:c2d8
65.121.194.217 0:0:0:0:0:ffff:4179:c2d9
65.121.194.218 0:0:0:0:0:ffff:4179:c2da
65.121.194.219 0:0:0:0:0:ffff:4179:c2db
65.121.194.220 0:0:0:0:0:ffff:4179:c2dc
65.121.194.221 0:0:0:0:0:ffff:4179:c2dd
65.121.194.222 0:0:0:0:0:ffff:4179:c2de
65.121.194.223 0:0:0:0:0:ffff:4179:c2df
65.121.194.224 0:0:0:0:0:ffff:4179:c2e0
65.121.194.225 0:0:0:0:0:ffff:4179:c2e1
65.121.194.226 0:0:0:0:0:ffff:4179:c2e2
65.121.194.227 0:0:0:0:0:ffff:4179:c2e3
65.121.194.228 0:0:0:0:0:ffff:4179:c2e4
65.121.194.229 0:0:0:0:0:ffff:4179:c2e5
65.121.194.230 0:0:0:0:0:ffff:4179:c2e6
65.121.194.231 0:0:0:0:0:ffff:4179:c2e7
65.121.194.232 0:0:0:0:0:ffff:4179:c2e8
65.121.194.233 0:0:0:0:0:ffff:4179:c2e9
65.121.194.234 0:0:0:0:0:ffff:4179:c2ea
65.121.194.235 0:0:0:0:0:ffff:4179:c2eb
65.121.194.236 0:0:0:0:0:ffff:4179:c2ec
65.121.194.237 0:0:0:0:0:ffff:4179:c2ed
65.121.194.238 0:0:0:0:0:ffff:4179:c2ee
65.121.194.239 0:0:0:0:0:ffff:4179:c2ef
65.121.194.240 0:0:0:0:0:ffff:4179:c2f0
65.121.194.241 0:0:0:0:0:ffff:4179:c2f1
65.121.194.242 0:0:0:0:0:ffff:4179:c2f2
65.121.194.243 0:0:0:0:0:ffff:4179:c2f3
65.121.194.244 0:0:0:0:0:ffff:4179:c2f4
65.121.194.245 0:0:0:0:0:ffff:4179:c2f5
65.121.194.246 0:0:0:0:0:ffff:4179:c2f6
65.121.194.247 0:0:0:0:0:ffff:4179:c2f7
65.121.194.248 0:0:0:0:0:ffff:4179:c2f8
65.121.194.249 0:0:0:0:0:ffff:4179:c2f9
65.121.194.250 0:0:0:0:0:ffff:4179:c2fa
65.121.194.251 0:0:0:0:0:ffff:4179:c2fb
65.121.194.252 0:0:0:0:0:ffff:4179:c2fc
65.121.194.253 0:0:0:0:0:ffff:4179:c2fd
65.121.194.254 0:0:0:0:0:ffff:4179:c2fe
65.121.194.255 0:0:0:0:0:ffff:4179:c2ff


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.