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
145.43.2.1 0:0:0:0:0:ffff:912b:201
145.43.2.2 0:0:0:0:0:ffff:912b:202
145.43.2.3 0:0:0:0:0:ffff:912b:203
145.43.2.4 0:0:0:0:0:ffff:912b:204
145.43.2.5 0:0:0:0:0:ffff:912b:205
145.43.2.6 0:0:0:0:0:ffff:912b:206
145.43.2.7 0:0:0:0:0:ffff:912b:207
145.43.2.8 0:0:0:0:0:ffff:912b:208
145.43.2.9 0:0:0:0:0:ffff:912b:209
145.43.2.10 0:0:0:0:0:ffff:912b:20a
145.43.2.11 0:0:0:0:0:ffff:912b:20b
145.43.2.12 0:0:0:0:0:ffff:912b:20c
145.43.2.13 0:0:0:0:0:ffff:912b:20d
145.43.2.14 0:0:0:0:0:ffff:912b:20e
145.43.2.15 0:0:0:0:0:ffff:912b:20f
145.43.2.16 0:0:0:0:0:ffff:912b:210
145.43.2.17 0:0:0:0:0:ffff:912b:211
145.43.2.18 0:0:0:0:0:ffff:912b:212
145.43.2.19 0:0:0:0:0:ffff:912b:213
145.43.2.20 0:0:0:0:0:ffff:912b:214
145.43.2.21 0:0:0:0:0:ffff:912b:215
145.43.2.22 0:0:0:0:0:ffff:912b:216
145.43.2.23 0:0:0:0:0:ffff:912b:217
145.43.2.24 0:0:0:0:0:ffff:912b:218
145.43.2.25 0:0:0:0:0:ffff:912b:219
145.43.2.26 0:0:0:0:0:ffff:912b:21a
145.43.2.27 0:0:0:0:0:ffff:912b:21b
145.43.2.28 0:0:0:0:0:ffff:912b:21c
145.43.2.29 0:0:0:0:0:ffff:912b:21d
145.43.2.30 0:0:0:0:0:ffff:912b:21e
145.43.2.31 0:0:0:0:0:ffff:912b:21f
145.43.2.32 0:0:0:0:0:ffff:912b:220
145.43.2.33 0:0:0:0:0:ffff:912b:221
145.43.2.34 0:0:0:0:0:ffff:912b:222
145.43.2.35 0:0:0:0:0:ffff:912b:223
145.43.2.36 0:0:0:0:0:ffff:912b:224
145.43.2.37 0:0:0:0:0:ffff:912b:225
145.43.2.38 0:0:0:0:0:ffff:912b:226
145.43.2.39 0:0:0:0:0:ffff:912b:227
145.43.2.40 0:0:0:0:0:ffff:912b:228
145.43.2.41 0:0:0:0:0:ffff:912b:229
145.43.2.42 0:0:0:0:0:ffff:912b:22a
145.43.2.43 0:0:0:0:0:ffff:912b:22b
145.43.2.44 0:0:0:0:0:ffff:912b:22c
145.43.2.45 0:0:0:0:0:ffff:912b:22d
145.43.2.46 0:0:0:0:0:ffff:912b:22e
145.43.2.47 0:0:0:0:0:ffff:912b:22f
145.43.2.48 0:0:0:0:0:ffff:912b:230
145.43.2.49 0:0:0:0:0:ffff:912b:231
145.43.2.50 0:0:0:0:0:ffff:912b:232
145.43.2.51 0:0:0:0:0:ffff:912b:233
145.43.2.52 0:0:0:0:0:ffff:912b:234
145.43.2.53 0:0:0:0:0:ffff:912b:235
145.43.2.54 0:0:0:0:0:ffff:912b:236
145.43.2.55 0:0:0:0:0:ffff:912b:237
145.43.2.56 0:0:0:0:0:ffff:912b:238
145.43.2.57 0:0:0:0:0:ffff:912b:239
145.43.2.58 0:0:0:0:0:ffff:912b:23a
145.43.2.59 0:0:0:0:0:ffff:912b:23b
145.43.2.60 0:0:0:0:0:ffff:912b:23c


145.43.2.61 0:0:0:0:0:ffff:912b:23d
145.43.2.62 0:0:0:0:0:ffff:912b:23e
145.43.2.63 0:0:0:0:0:ffff:912b:23f
145.43.2.64 0:0:0:0:0:ffff:912b:240
145.43.2.65 0:0:0:0:0:ffff:912b:241
145.43.2.66 0:0:0:0:0:ffff:912b:242
145.43.2.67 0:0:0:0:0:ffff:912b:243
145.43.2.68 0:0:0:0:0:ffff:912b:244
145.43.2.69 0:0:0:0:0:ffff:912b:245
145.43.2.70 0:0:0:0:0:ffff:912b:246
145.43.2.71 0:0:0:0:0:ffff:912b:247
145.43.2.72 0:0:0:0:0:ffff:912b:248
145.43.2.73 0:0:0:0:0:ffff:912b:249
145.43.2.74 0:0:0:0:0:ffff:912b:24a
145.43.2.75 0:0:0:0:0:ffff:912b:24b
145.43.2.76 0:0:0:0:0:ffff:912b:24c
145.43.2.77 0:0:0:0:0:ffff:912b:24d
145.43.2.78 0:0:0:0:0:ffff:912b:24e
145.43.2.79 0:0:0:0:0:ffff:912b:24f
145.43.2.80 0:0:0:0:0:ffff:912b:250
145.43.2.81 0:0:0:0:0:ffff:912b:251
145.43.2.82 0:0:0:0:0:ffff:912b:252
145.43.2.83 0:0:0:0:0:ffff:912b:253
145.43.2.84 0:0:0:0:0:ffff:912b:254
145.43.2.85 0:0:0:0:0:ffff:912b:255
145.43.2.86 0:0:0:0:0:ffff:912b:256
145.43.2.87 0:0:0:0:0:ffff:912b:257
145.43.2.88 0:0:0:0:0:ffff:912b:258
145.43.2.89 0:0:0:0:0:ffff:912b:259
145.43.2.90 0:0:0:0:0:ffff:912b:25a
145.43.2.91 0:0:0:0:0:ffff:912b:25b
145.43.2.92 0:0:0:0:0:ffff:912b:25c
145.43.2.93 0:0:0:0:0:ffff:912b:25d
145.43.2.94 0:0:0:0:0:ffff:912b:25e
145.43.2.95 0:0:0:0:0:ffff:912b:25f
145.43.2.96 0:0:0:0:0:ffff:912b:260
145.43.2.97 0:0:0:0:0:ffff:912b:261
145.43.2.98 0:0:0:0:0:ffff:912b:262
145.43.2.99 0:0:0:0:0:ffff:912b:263
145.43.2.100 0:0:0:0:0:ffff:912b:264
145.43.2.101 0:0:0:0:0:ffff:912b:265
145.43.2.102 0:0:0:0:0:ffff:912b:266
145.43.2.103 0:0:0:0:0:ffff:912b:267
145.43.2.104 0:0:0:0:0:ffff:912b:268
145.43.2.105 0:0:0:0:0:ffff:912b:269
145.43.2.106 0:0:0:0:0:ffff:912b:26a
145.43.2.107 0:0:0:0:0:ffff:912b:26b
145.43.2.108 0:0:0:0:0:ffff:912b:26c
145.43.2.109 0:0:0:0:0:ffff:912b:26d
145.43.2.110 0:0:0:0:0:ffff:912b:26e
145.43.2.111 0:0:0:0:0:ffff:912b:26f
145.43.2.112 0:0:0:0:0:ffff:912b:270
145.43.2.113 0:0:0:0:0:ffff:912b:271
145.43.2.114 0:0:0:0:0:ffff:912b:272
145.43.2.115 0:0:0:0:0:ffff:912b:273
145.43.2.116 0:0:0:0:0:ffff:912b:274
145.43.2.117 0:0:0:0:0:ffff:912b:275
145.43.2.118 0:0:0:0:0:ffff:912b:276
145.43.2.119 0:0:0:0:0:ffff:912b:277
145.43.2.120 0:0:0:0:0:ffff:912b:278


145.43.2.121 0:0:0:0:0:ffff:912b:279
145.43.2.122 0:0:0:0:0:ffff:912b:27a
145.43.2.123 0:0:0:0:0:ffff:912b:27b
145.43.2.124 0:0:0:0:0:ffff:912b:27c
145.43.2.125 0:0:0:0:0:ffff:912b:27d
145.43.2.126 0:0:0:0:0:ffff:912b:27e
145.43.2.127 0:0:0:0:0:ffff:912b:27f
145.43.2.128 0:0:0:0:0:ffff:912b:280
145.43.2.129 0:0:0:0:0:ffff:912b:281
145.43.2.130 0:0:0:0:0:ffff:912b:282
145.43.2.131 0:0:0:0:0:ffff:912b:283
145.43.2.132 0:0:0:0:0:ffff:912b:284
145.43.2.133 0:0:0:0:0:ffff:912b:285
145.43.2.134 0:0:0:0:0:ffff:912b:286
145.43.2.135 0:0:0:0:0:ffff:912b:287
145.43.2.136 0:0:0:0:0:ffff:912b:288
145.43.2.137 0:0:0:0:0:ffff:912b:289
145.43.2.138 0:0:0:0:0:ffff:912b:28a
145.43.2.139 0:0:0:0:0:ffff:912b:28b
145.43.2.140 0:0:0:0:0:ffff:912b:28c
145.43.2.141 0:0:0:0:0:ffff:912b:28d
145.43.2.142 0:0:0:0:0:ffff:912b:28e
145.43.2.143 0:0:0:0:0:ffff:912b:28f
145.43.2.144 0:0:0:0:0:ffff:912b:290
145.43.2.145 0:0:0:0:0:ffff:912b:291
145.43.2.146 0:0:0:0:0:ffff:912b:292
145.43.2.147 0:0:0:0:0:ffff:912b:293
145.43.2.148 0:0:0:0:0:ffff:912b:294
145.43.2.149 0:0:0:0:0:ffff:912b:295
145.43.2.150 0:0:0:0:0:ffff:912b:296
145.43.2.151 0:0:0:0:0:ffff:912b:297
145.43.2.152 0:0:0:0:0:ffff:912b:298
145.43.2.153 0:0:0:0:0:ffff:912b:299
145.43.2.154 0:0:0:0:0:ffff:912b:29a
145.43.2.155 0:0:0:0:0:ffff:912b:29b
145.43.2.156 0:0:0:0:0:ffff:912b:29c
145.43.2.157 0:0:0:0:0:ffff:912b:29d
145.43.2.158 0:0:0:0:0:ffff:912b:29e
145.43.2.159 0:0:0:0:0:ffff:912b:29f
145.43.2.160 0:0:0:0:0:ffff:912b:2a0
145.43.2.161 0:0:0:0:0:ffff:912b:2a1
145.43.2.162 0:0:0:0:0:ffff:912b:2a2
145.43.2.163 0:0:0:0:0:ffff:912b:2a3
145.43.2.164 0:0:0:0:0:ffff:912b:2a4
145.43.2.165 0:0:0:0:0:ffff:912b:2a5
145.43.2.166 0:0:0:0:0:ffff:912b:2a6
145.43.2.167 0:0:0:0:0:ffff:912b:2a7
145.43.2.168 0:0:0:0:0:ffff:912b:2a8
145.43.2.169 0:0:0:0:0:ffff:912b:2a9
145.43.2.170 0:0:0:0:0:ffff:912b:2aa
145.43.2.171 0:0:0:0:0:ffff:912b:2ab
145.43.2.172 0:0:0:0:0:ffff:912b:2ac
145.43.2.173 0:0:0:0:0:ffff:912b:2ad
145.43.2.174 0:0:0:0:0:ffff:912b:2ae
145.43.2.175 0:0:0:0:0:ffff:912b:2af
145.43.2.176 0:0:0:0:0:ffff:912b:2b0
145.43.2.177 0:0:0:0:0:ffff:912b:2b1
145.43.2.178 0:0:0:0:0:ffff:912b:2b2
145.43.2.179 0:0:0:0:0:ffff:912b:2b3
145.43.2.180 0:0:0:0:0:ffff:912b:2b4


145.43.2.181 0:0:0:0:0:ffff:912b:2b5
145.43.2.182 0:0:0:0:0:ffff:912b:2b6
145.43.2.183 0:0:0:0:0:ffff:912b:2b7
145.43.2.184 0:0:0:0:0:ffff:912b:2b8
145.43.2.185 0:0:0:0:0:ffff:912b:2b9
145.43.2.186 0:0:0:0:0:ffff:912b:2ba
145.43.2.187 0:0:0:0:0:ffff:912b:2bb
145.43.2.188 0:0:0:0:0:ffff:912b:2bc
145.43.2.189 0:0:0:0:0:ffff:912b:2bd
145.43.2.190 0:0:0:0:0:ffff:912b:2be
145.43.2.191 0:0:0:0:0:ffff:912b:2bf
145.43.2.192 0:0:0:0:0:ffff:912b:2c0
145.43.2.193 0:0:0:0:0:ffff:912b:2c1
145.43.2.194 0:0:0:0:0:ffff:912b:2c2
145.43.2.195 0:0:0:0:0:ffff:912b:2c3
145.43.2.196 0:0:0:0:0:ffff:912b:2c4
145.43.2.197 0:0:0:0:0:ffff:912b:2c5
145.43.2.198 0:0:0:0:0:ffff:912b:2c6
145.43.2.199 0:0:0:0:0:ffff:912b:2c7
145.43.2.200 0:0:0:0:0:ffff:912b:2c8
145.43.2.201 0:0:0:0:0:ffff:912b:2c9
145.43.2.202 0:0:0:0:0:ffff:912b:2ca
145.43.2.203 0:0:0:0:0:ffff:912b:2cb
145.43.2.204 0:0:0:0:0:ffff:912b:2cc
145.43.2.205 0:0:0:0:0:ffff:912b:2cd
145.43.2.206 0:0:0:0:0:ffff:912b:2ce
145.43.2.207 0:0:0:0:0:ffff:912b:2cf
145.43.2.208 0:0:0:0:0:ffff:912b:2d0
145.43.2.209 0:0:0:0:0:ffff:912b:2d1
145.43.2.210 0:0:0:0:0:ffff:912b:2d2
145.43.2.211 0:0:0:0:0:ffff:912b:2d3
145.43.2.212 0:0:0:0:0:ffff:912b:2d4
145.43.2.213 0:0:0:0:0:ffff:912b:2d5
145.43.2.214 0:0:0:0:0:ffff:912b:2d6
145.43.2.215 0:0:0:0:0:ffff:912b:2d7
145.43.2.216 0:0:0:0:0:ffff:912b:2d8
145.43.2.217 0:0:0:0:0:ffff:912b:2d9
145.43.2.218 0:0:0:0:0:ffff:912b:2da
145.43.2.219 0:0:0:0:0:ffff:912b:2db
145.43.2.220 0:0:0:0:0:ffff:912b:2dc
145.43.2.221 0:0:0:0:0:ffff:912b:2dd
145.43.2.222 0:0:0:0:0:ffff:912b:2de
145.43.2.223 0:0:0:0:0:ffff:912b:2df
145.43.2.224 0:0:0:0:0:ffff:912b:2e0
145.43.2.225 0:0:0:0:0:ffff:912b:2e1
145.43.2.226 0:0:0:0:0:ffff:912b:2e2
145.43.2.227 0:0:0:0:0:ffff:912b:2e3
145.43.2.228 0:0:0:0:0:ffff:912b:2e4
145.43.2.229 0:0:0:0:0:ffff:912b:2e5
145.43.2.230 0:0:0:0:0:ffff:912b:2e6
145.43.2.231 0:0:0:0:0:ffff:912b:2e7
145.43.2.232 0:0:0:0:0:ffff:912b:2e8
145.43.2.233 0:0:0:0:0:ffff:912b:2e9
145.43.2.234 0:0:0:0:0:ffff:912b:2ea
145.43.2.235 0:0:0:0:0:ffff:912b:2eb
145.43.2.236 0:0:0:0:0:ffff:912b:2ec
145.43.2.237 0:0:0:0:0:ffff:912b:2ed
145.43.2.238 0:0:0:0:0:ffff:912b:2ee
145.43.2.239 0:0:0:0:0:ffff:912b:2ef
145.43.2.240 0:0:0:0:0:ffff:912b:2f0
145.43.2.241 0:0:0:0:0:ffff:912b:2f1
145.43.2.242 0:0:0:0:0:ffff:912b:2f2
145.43.2.243 0:0:0:0:0:ffff:912b:2f3
145.43.2.244 0:0:0:0:0:ffff:912b:2f4
145.43.2.245 0:0:0:0:0:ffff:912b:2f5
145.43.2.246 0:0:0:0:0:ffff:912b:2f6
145.43.2.247 0:0:0:0:0:ffff:912b:2f7
145.43.2.248 0:0:0:0:0:ffff:912b:2f8
145.43.2.249 0:0:0:0:0:ffff:912b:2f9
145.43.2.250 0:0:0:0:0:ffff:912b:2fa
145.43.2.251 0:0:0:0:0:ffff:912b:2fb
145.43.2.252 0:0:0:0:0:ffff:912b:2fc
145.43.2.253 0:0:0:0:0:ffff:912b:2fd
145.43.2.254 0:0:0:0:0:ffff:912b:2fe
145.43.2.255 0:0:0:0:0:ffff:912b:2ff


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.