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
40.42.3.1 0:0:0:0:0:ffff:282a:301
40.42.3.2 0:0:0:0:0:ffff:282a:302
40.42.3.3 0:0:0:0:0:ffff:282a:303
40.42.3.4 0:0:0:0:0:ffff:282a:304
40.42.3.5 0:0:0:0:0:ffff:282a:305
40.42.3.6 0:0:0:0:0:ffff:282a:306
40.42.3.7 0:0:0:0:0:ffff:282a:307
40.42.3.8 0:0:0:0:0:ffff:282a:308
40.42.3.9 0:0:0:0:0:ffff:282a:309
40.42.3.10 0:0:0:0:0:ffff:282a:30a
40.42.3.11 0:0:0:0:0:ffff:282a:30b
40.42.3.12 0:0:0:0:0:ffff:282a:30c
40.42.3.13 0:0:0:0:0:ffff:282a:30d
40.42.3.14 0:0:0:0:0:ffff:282a:30e
40.42.3.15 0:0:0:0:0:ffff:282a:30f
40.42.3.16 0:0:0:0:0:ffff:282a:310
40.42.3.17 0:0:0:0:0:ffff:282a:311
40.42.3.18 0:0:0:0:0:ffff:282a:312
40.42.3.19 0:0:0:0:0:ffff:282a:313
40.42.3.20 0:0:0:0:0:ffff:282a:314
40.42.3.21 0:0:0:0:0:ffff:282a:315
40.42.3.22 0:0:0:0:0:ffff:282a:316
40.42.3.23 0:0:0:0:0:ffff:282a:317
40.42.3.24 0:0:0:0:0:ffff:282a:318
40.42.3.25 0:0:0:0:0:ffff:282a:319
40.42.3.26 0:0:0:0:0:ffff:282a:31a
40.42.3.27 0:0:0:0:0:ffff:282a:31b
40.42.3.28 0:0:0:0:0:ffff:282a:31c
40.42.3.29 0:0:0:0:0:ffff:282a:31d
40.42.3.30 0:0:0:0:0:ffff:282a:31e
40.42.3.31 0:0:0:0:0:ffff:282a:31f
40.42.3.32 0:0:0:0:0:ffff:282a:320
40.42.3.33 0:0:0:0:0:ffff:282a:321
40.42.3.34 0:0:0:0:0:ffff:282a:322
40.42.3.35 0:0:0:0:0:ffff:282a:323
40.42.3.36 0:0:0:0:0:ffff:282a:324
40.42.3.37 0:0:0:0:0:ffff:282a:325
40.42.3.38 0:0:0:0:0:ffff:282a:326
40.42.3.39 0:0:0:0:0:ffff:282a:327
40.42.3.40 0:0:0:0:0:ffff:282a:328
40.42.3.41 0:0:0:0:0:ffff:282a:329
40.42.3.42 0:0:0:0:0:ffff:282a:32a
40.42.3.43 0:0:0:0:0:ffff:282a:32b
40.42.3.44 0:0:0:0:0:ffff:282a:32c
40.42.3.45 0:0:0:0:0:ffff:282a:32d
40.42.3.46 0:0:0:0:0:ffff:282a:32e
40.42.3.47 0:0:0:0:0:ffff:282a:32f
40.42.3.48 0:0:0:0:0:ffff:282a:330
40.42.3.49 0:0:0:0:0:ffff:282a:331
40.42.3.50 0:0:0:0:0:ffff:282a:332
40.42.3.51 0:0:0:0:0:ffff:282a:333
40.42.3.52 0:0:0:0:0:ffff:282a:334
40.42.3.53 0:0:0:0:0:ffff:282a:335
40.42.3.54 0:0:0:0:0:ffff:282a:336
40.42.3.55 0:0:0:0:0:ffff:282a:337
40.42.3.56 0:0:0:0:0:ffff:282a:338
40.42.3.57 0:0:0:0:0:ffff:282a:339
40.42.3.58 0:0:0:0:0:ffff:282a:33a
40.42.3.59 0:0:0:0:0:ffff:282a:33b
40.42.3.60 0:0:0:0:0:ffff:282a:33c


40.42.3.61 0:0:0:0:0:ffff:282a:33d
40.42.3.62 0:0:0:0:0:ffff:282a:33e
40.42.3.63 0:0:0:0:0:ffff:282a:33f
40.42.3.64 0:0:0:0:0:ffff:282a:340
40.42.3.65 0:0:0:0:0:ffff:282a:341
40.42.3.66 0:0:0:0:0:ffff:282a:342
40.42.3.67 0:0:0:0:0:ffff:282a:343
40.42.3.68 0:0:0:0:0:ffff:282a:344
40.42.3.69 0:0:0:0:0:ffff:282a:345
40.42.3.70 0:0:0:0:0:ffff:282a:346
40.42.3.71 0:0:0:0:0:ffff:282a:347
40.42.3.72 0:0:0:0:0:ffff:282a:348
40.42.3.73 0:0:0:0:0:ffff:282a:349
40.42.3.74 0:0:0:0:0:ffff:282a:34a
40.42.3.75 0:0:0:0:0:ffff:282a:34b
40.42.3.76 0:0:0:0:0:ffff:282a:34c
40.42.3.77 0:0:0:0:0:ffff:282a:34d
40.42.3.78 0:0:0:0:0:ffff:282a:34e
40.42.3.79 0:0:0:0:0:ffff:282a:34f
40.42.3.80 0:0:0:0:0:ffff:282a:350
40.42.3.81 0:0:0:0:0:ffff:282a:351
40.42.3.82 0:0:0:0:0:ffff:282a:352
40.42.3.83 0:0:0:0:0:ffff:282a:353
40.42.3.84 0:0:0:0:0:ffff:282a:354
40.42.3.85 0:0:0:0:0:ffff:282a:355
40.42.3.86 0:0:0:0:0:ffff:282a:356
40.42.3.87 0:0:0:0:0:ffff:282a:357
40.42.3.88 0:0:0:0:0:ffff:282a:358
40.42.3.89 0:0:0:0:0:ffff:282a:359
40.42.3.90 0:0:0:0:0:ffff:282a:35a
40.42.3.91 0:0:0:0:0:ffff:282a:35b
40.42.3.92 0:0:0:0:0:ffff:282a:35c
40.42.3.93 0:0:0:0:0:ffff:282a:35d
40.42.3.94 0:0:0:0:0:ffff:282a:35e
40.42.3.95 0:0:0:0:0:ffff:282a:35f
40.42.3.96 0:0:0:0:0:ffff:282a:360
40.42.3.97 0:0:0:0:0:ffff:282a:361
40.42.3.98 0:0:0:0:0:ffff:282a:362
40.42.3.99 0:0:0:0:0:ffff:282a:363
40.42.3.100 0:0:0:0:0:ffff:282a:364
40.42.3.101 0:0:0:0:0:ffff:282a:365
40.42.3.102 0:0:0:0:0:ffff:282a:366
40.42.3.103 0:0:0:0:0:ffff:282a:367
40.42.3.104 0:0:0:0:0:ffff:282a:368
40.42.3.105 0:0:0:0:0:ffff:282a:369
40.42.3.106 0:0:0:0:0:ffff:282a:36a
40.42.3.107 0:0:0:0:0:ffff:282a:36b
40.42.3.108 0:0:0:0:0:ffff:282a:36c
40.42.3.109 0:0:0:0:0:ffff:282a:36d
40.42.3.110 0:0:0:0:0:ffff:282a:36e
40.42.3.111 0:0:0:0:0:ffff:282a:36f
40.42.3.112 0:0:0:0:0:ffff:282a:370
40.42.3.113 0:0:0:0:0:ffff:282a:371
40.42.3.114 0:0:0:0:0:ffff:282a:372
40.42.3.115 0:0:0:0:0:ffff:282a:373
40.42.3.116 0:0:0:0:0:ffff:282a:374
40.42.3.117 0:0:0:0:0:ffff:282a:375
40.42.3.118 0:0:0:0:0:ffff:282a:376
40.42.3.119 0:0:0:0:0:ffff:282a:377
40.42.3.120 0:0:0:0:0:ffff:282a:378


40.42.3.121 0:0:0:0:0:ffff:282a:379
40.42.3.122 0:0:0:0:0:ffff:282a:37a
40.42.3.123 0:0:0:0:0:ffff:282a:37b
40.42.3.124 0:0:0:0:0:ffff:282a:37c
40.42.3.125 0:0:0:0:0:ffff:282a:37d
40.42.3.126 0:0:0:0:0:ffff:282a:37e
40.42.3.127 0:0:0:0:0:ffff:282a:37f
40.42.3.128 0:0:0:0:0:ffff:282a:380
40.42.3.129 0:0:0:0:0:ffff:282a:381
40.42.3.130 0:0:0:0:0:ffff:282a:382
40.42.3.131 0:0:0:0:0:ffff:282a:383
40.42.3.132 0:0:0:0:0:ffff:282a:384
40.42.3.133 0:0:0:0:0:ffff:282a:385
40.42.3.134 0:0:0:0:0:ffff:282a:386
40.42.3.135 0:0:0:0:0:ffff:282a:387
40.42.3.136 0:0:0:0:0:ffff:282a:388
40.42.3.137 0:0:0:0:0:ffff:282a:389
40.42.3.138 0:0:0:0:0:ffff:282a:38a
40.42.3.139 0:0:0:0:0:ffff:282a:38b
40.42.3.140 0:0:0:0:0:ffff:282a:38c
40.42.3.141 0:0:0:0:0:ffff:282a:38d
40.42.3.142 0:0:0:0:0:ffff:282a:38e
40.42.3.143 0:0:0:0:0:ffff:282a:38f
40.42.3.144 0:0:0:0:0:ffff:282a:390
40.42.3.145 0:0:0:0:0:ffff:282a:391
40.42.3.146 0:0:0:0:0:ffff:282a:392
40.42.3.147 0:0:0:0:0:ffff:282a:393
40.42.3.148 0:0:0:0:0:ffff:282a:394
40.42.3.149 0:0:0:0:0:ffff:282a:395
40.42.3.150 0:0:0:0:0:ffff:282a:396
40.42.3.151 0:0:0:0:0:ffff:282a:397
40.42.3.152 0:0:0:0:0:ffff:282a:398
40.42.3.153 0:0:0:0:0:ffff:282a:399
40.42.3.154 0:0:0:0:0:ffff:282a:39a
40.42.3.155 0:0:0:0:0:ffff:282a:39b
40.42.3.156 0:0:0:0:0:ffff:282a:39c
40.42.3.157 0:0:0:0:0:ffff:282a:39d
40.42.3.158 0:0:0:0:0:ffff:282a:39e
40.42.3.159 0:0:0:0:0:ffff:282a:39f
40.42.3.160 0:0:0:0:0:ffff:282a:3a0
40.42.3.161 0:0:0:0:0:ffff:282a:3a1
40.42.3.162 0:0:0:0:0:ffff:282a:3a2
40.42.3.163 0:0:0:0:0:ffff:282a:3a3
40.42.3.164 0:0:0:0:0:ffff:282a:3a4
40.42.3.165 0:0:0:0:0:ffff:282a:3a5
40.42.3.166 0:0:0:0:0:ffff:282a:3a6
40.42.3.167 0:0:0:0:0:ffff:282a:3a7
40.42.3.168 0:0:0:0:0:ffff:282a:3a8
40.42.3.169 0:0:0:0:0:ffff:282a:3a9
40.42.3.170 0:0:0:0:0:ffff:282a:3aa
40.42.3.171 0:0:0:0:0:ffff:282a:3ab
40.42.3.172 0:0:0:0:0:ffff:282a:3ac
40.42.3.173 0:0:0:0:0:ffff:282a:3ad
40.42.3.174 0:0:0:0:0:ffff:282a:3ae
40.42.3.175 0:0:0:0:0:ffff:282a:3af
40.42.3.176 0:0:0:0:0:ffff:282a:3b0
40.42.3.177 0:0:0:0:0:ffff:282a:3b1
40.42.3.178 0:0:0:0:0:ffff:282a:3b2
40.42.3.179 0:0:0:0:0:ffff:282a:3b3
40.42.3.180 0:0:0:0:0:ffff:282a:3b4


40.42.3.181 0:0:0:0:0:ffff:282a:3b5
40.42.3.182 0:0:0:0:0:ffff:282a:3b6
40.42.3.183 0:0:0:0:0:ffff:282a:3b7
40.42.3.184 0:0:0:0:0:ffff:282a:3b8
40.42.3.185 0:0:0:0:0:ffff:282a:3b9
40.42.3.186 0:0:0:0:0:ffff:282a:3ba
40.42.3.187 0:0:0:0:0:ffff:282a:3bb
40.42.3.188 0:0:0:0:0:ffff:282a:3bc
40.42.3.189 0:0:0:0:0:ffff:282a:3bd
40.42.3.190 0:0:0:0:0:ffff:282a:3be
40.42.3.191 0:0:0:0:0:ffff:282a:3bf
40.42.3.192 0:0:0:0:0:ffff:282a:3c0
40.42.3.193 0:0:0:0:0:ffff:282a:3c1
40.42.3.194 0:0:0:0:0:ffff:282a:3c2
40.42.3.195 0:0:0:0:0:ffff:282a:3c3
40.42.3.196 0:0:0:0:0:ffff:282a:3c4
40.42.3.197 0:0:0:0:0:ffff:282a:3c5
40.42.3.198 0:0:0:0:0:ffff:282a:3c6
40.42.3.199 0:0:0:0:0:ffff:282a:3c7
40.42.3.200 0:0:0:0:0:ffff:282a:3c8
40.42.3.201 0:0:0:0:0:ffff:282a:3c9
40.42.3.202 0:0:0:0:0:ffff:282a:3ca
40.42.3.203 0:0:0:0:0:ffff:282a:3cb
40.42.3.204 0:0:0:0:0:ffff:282a:3cc
40.42.3.205 0:0:0:0:0:ffff:282a:3cd
40.42.3.206 0:0:0:0:0:ffff:282a:3ce
40.42.3.207 0:0:0:0:0:ffff:282a:3cf
40.42.3.208 0:0:0:0:0:ffff:282a:3d0
40.42.3.209 0:0:0:0:0:ffff:282a:3d1
40.42.3.210 0:0:0:0:0:ffff:282a:3d2
40.42.3.211 0:0:0:0:0:ffff:282a:3d3
40.42.3.212 0:0:0:0:0:ffff:282a:3d4
40.42.3.213 0:0:0:0:0:ffff:282a:3d5
40.42.3.214 0:0:0:0:0:ffff:282a:3d6
40.42.3.215 0:0:0:0:0:ffff:282a:3d7
40.42.3.216 0:0:0:0:0:ffff:282a:3d8
40.42.3.217 0:0:0:0:0:ffff:282a:3d9
40.42.3.218 0:0:0:0:0:ffff:282a:3da
40.42.3.219 0:0:0:0:0:ffff:282a:3db
40.42.3.220 0:0:0:0:0:ffff:282a:3dc
40.42.3.221 0:0:0:0:0:ffff:282a:3dd
40.42.3.222 0:0:0:0:0:ffff:282a:3de
40.42.3.223 0:0:0:0:0:ffff:282a:3df
40.42.3.224 0:0:0:0:0:ffff:282a:3e0
40.42.3.225 0:0:0:0:0:ffff:282a:3e1
40.42.3.226 0:0:0:0:0:ffff:282a:3e2
40.42.3.227 0:0:0:0:0:ffff:282a:3e3
40.42.3.228 0:0:0:0:0:ffff:282a:3e4
40.42.3.229 0:0:0:0:0:ffff:282a:3e5
40.42.3.230 0:0:0:0:0:ffff:282a:3e6
40.42.3.231 0:0:0:0:0:ffff:282a:3e7
40.42.3.232 0:0:0:0:0:ffff:282a:3e8
40.42.3.233 0:0:0:0:0:ffff:282a:3e9
40.42.3.234 0:0:0:0:0:ffff:282a:3ea
40.42.3.235 0:0:0:0:0:ffff:282a:3eb
40.42.3.236 0:0:0:0:0:ffff:282a:3ec
40.42.3.237 0:0:0:0:0:ffff:282a:3ed
40.42.3.238 0:0:0:0:0:ffff:282a:3ee
40.42.3.239 0:0:0:0:0:ffff:282a:3ef
40.42.3.240 0:0:0:0:0:ffff:282a:3f0
40.42.3.241 0:0:0:0:0:ffff:282a:3f1
40.42.3.242 0:0:0:0:0:ffff:282a:3f2
40.42.3.243 0:0:0:0:0:ffff:282a:3f3
40.42.3.244 0:0:0:0:0:ffff:282a:3f4
40.42.3.245 0:0:0:0:0:ffff:282a:3f5
40.42.3.246 0:0:0:0:0:ffff:282a:3f6
40.42.3.247 0:0:0:0:0:ffff:282a:3f7
40.42.3.248 0:0:0:0:0:ffff:282a:3f8
40.42.3.249 0:0:0:0:0:ffff:282a:3f9
40.42.3.250 0:0:0:0:0:ffff:282a:3fa
40.42.3.251 0:0:0:0:0:ffff:282a:3fb
40.42.3.252 0:0:0:0:0:ffff:282a:3fc
40.42.3.253 0:0:0:0:0:ffff:282a:3fd
40.42.3.254 0:0:0:0:0:ffff:282a:3fe
40.42.3.255 0:0:0:0:0:ffff:282a:3ff


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.