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
219.72.3.1 0:0:0:0:0:ffff:db48:301
219.72.3.2 0:0:0:0:0:ffff:db48:302
219.72.3.3 0:0:0:0:0:ffff:db48:303
219.72.3.4 0:0:0:0:0:ffff:db48:304
219.72.3.5 0:0:0:0:0:ffff:db48:305
219.72.3.6 0:0:0:0:0:ffff:db48:306
219.72.3.7 0:0:0:0:0:ffff:db48:307
219.72.3.8 0:0:0:0:0:ffff:db48:308
219.72.3.9 0:0:0:0:0:ffff:db48:309
219.72.3.10 0:0:0:0:0:ffff:db48:30a
219.72.3.11 0:0:0:0:0:ffff:db48:30b
219.72.3.12 0:0:0:0:0:ffff:db48:30c
219.72.3.13 0:0:0:0:0:ffff:db48:30d
219.72.3.14 0:0:0:0:0:ffff:db48:30e
219.72.3.15 0:0:0:0:0:ffff:db48:30f
219.72.3.16 0:0:0:0:0:ffff:db48:310
219.72.3.17 0:0:0:0:0:ffff:db48:311
219.72.3.18 0:0:0:0:0:ffff:db48:312
219.72.3.19 0:0:0:0:0:ffff:db48:313
219.72.3.20 0:0:0:0:0:ffff:db48:314
219.72.3.21 0:0:0:0:0:ffff:db48:315
219.72.3.22 0:0:0:0:0:ffff:db48:316
219.72.3.23 0:0:0:0:0:ffff:db48:317
219.72.3.24 0:0:0:0:0:ffff:db48:318
219.72.3.25 0:0:0:0:0:ffff:db48:319
219.72.3.26 0:0:0:0:0:ffff:db48:31a
219.72.3.27 0:0:0:0:0:ffff:db48:31b
219.72.3.28 0:0:0:0:0:ffff:db48:31c
219.72.3.29 0:0:0:0:0:ffff:db48:31d
219.72.3.30 0:0:0:0:0:ffff:db48:31e
219.72.3.31 0:0:0:0:0:ffff:db48:31f
219.72.3.32 0:0:0:0:0:ffff:db48:320
219.72.3.33 0:0:0:0:0:ffff:db48:321
219.72.3.34 0:0:0:0:0:ffff:db48:322
219.72.3.35 0:0:0:0:0:ffff:db48:323
219.72.3.36 0:0:0:0:0:ffff:db48:324
219.72.3.37 0:0:0:0:0:ffff:db48:325
219.72.3.38 0:0:0:0:0:ffff:db48:326
219.72.3.39 0:0:0:0:0:ffff:db48:327
219.72.3.40 0:0:0:0:0:ffff:db48:328
219.72.3.41 0:0:0:0:0:ffff:db48:329
219.72.3.42 0:0:0:0:0:ffff:db48:32a
219.72.3.43 0:0:0:0:0:ffff:db48:32b
219.72.3.44 0:0:0:0:0:ffff:db48:32c
219.72.3.45 0:0:0:0:0:ffff:db48:32d
219.72.3.46 0:0:0:0:0:ffff:db48:32e
219.72.3.47 0:0:0:0:0:ffff:db48:32f
219.72.3.48 0:0:0:0:0:ffff:db48:330
219.72.3.49 0:0:0:0:0:ffff:db48:331
219.72.3.50 0:0:0:0:0:ffff:db48:332
219.72.3.51 0:0:0:0:0:ffff:db48:333
219.72.3.52 0:0:0:0:0:ffff:db48:334
219.72.3.53 0:0:0:0:0:ffff:db48:335
219.72.3.54 0:0:0:0:0:ffff:db48:336
219.72.3.55 0:0:0:0:0:ffff:db48:337
219.72.3.56 0:0:0:0:0:ffff:db48:338
219.72.3.57 0:0:0:0:0:ffff:db48:339
219.72.3.58 0:0:0:0:0:ffff:db48:33a
219.72.3.59 0:0:0:0:0:ffff:db48:33b
219.72.3.60 0:0:0:0:0:ffff:db48:33c


219.72.3.61 0:0:0:0:0:ffff:db48:33d
219.72.3.62 0:0:0:0:0:ffff:db48:33e
219.72.3.63 0:0:0:0:0:ffff:db48:33f
219.72.3.64 0:0:0:0:0:ffff:db48:340
219.72.3.65 0:0:0:0:0:ffff:db48:341
219.72.3.66 0:0:0:0:0:ffff:db48:342
219.72.3.67 0:0:0:0:0:ffff:db48:343
219.72.3.68 0:0:0:0:0:ffff:db48:344
219.72.3.69 0:0:0:0:0:ffff:db48:345
219.72.3.70 0:0:0:0:0:ffff:db48:346
219.72.3.71 0:0:0:0:0:ffff:db48:347
219.72.3.72 0:0:0:0:0:ffff:db48:348
219.72.3.73 0:0:0:0:0:ffff:db48:349
219.72.3.74 0:0:0:0:0:ffff:db48:34a
219.72.3.75 0:0:0:0:0:ffff:db48:34b
219.72.3.76 0:0:0:0:0:ffff:db48:34c
219.72.3.77 0:0:0:0:0:ffff:db48:34d
219.72.3.78 0:0:0:0:0:ffff:db48:34e
219.72.3.79 0:0:0:0:0:ffff:db48:34f
219.72.3.80 0:0:0:0:0:ffff:db48:350
219.72.3.81 0:0:0:0:0:ffff:db48:351
219.72.3.82 0:0:0:0:0:ffff:db48:352
219.72.3.83 0:0:0:0:0:ffff:db48:353
219.72.3.84 0:0:0:0:0:ffff:db48:354
219.72.3.85 0:0:0:0:0:ffff:db48:355
219.72.3.86 0:0:0:0:0:ffff:db48:356
219.72.3.87 0:0:0:0:0:ffff:db48:357
219.72.3.88 0:0:0:0:0:ffff:db48:358
219.72.3.89 0:0:0:0:0:ffff:db48:359
219.72.3.90 0:0:0:0:0:ffff:db48:35a
219.72.3.91 0:0:0:0:0:ffff:db48:35b
219.72.3.92 0:0:0:0:0:ffff:db48:35c
219.72.3.93 0:0:0:0:0:ffff:db48:35d
219.72.3.94 0:0:0:0:0:ffff:db48:35e
219.72.3.95 0:0:0:0:0:ffff:db48:35f
219.72.3.96 0:0:0:0:0:ffff:db48:360
219.72.3.97 0:0:0:0:0:ffff:db48:361
219.72.3.98 0:0:0:0:0:ffff:db48:362
219.72.3.99 0:0:0:0:0:ffff:db48:363
219.72.3.100 0:0:0:0:0:ffff:db48:364
219.72.3.101 0:0:0:0:0:ffff:db48:365
219.72.3.102 0:0:0:0:0:ffff:db48:366
219.72.3.103 0:0:0:0:0:ffff:db48:367
219.72.3.104 0:0:0:0:0:ffff:db48:368
219.72.3.105 0:0:0:0:0:ffff:db48:369
219.72.3.106 0:0:0:0:0:ffff:db48:36a
219.72.3.107 0:0:0:0:0:ffff:db48:36b
219.72.3.108 0:0:0:0:0:ffff:db48:36c
219.72.3.109 0:0:0:0:0:ffff:db48:36d
219.72.3.110 0:0:0:0:0:ffff:db48:36e
219.72.3.111 0:0:0:0:0:ffff:db48:36f
219.72.3.112 0:0:0:0:0:ffff:db48:370
219.72.3.113 0:0:0:0:0:ffff:db48:371
219.72.3.114 0:0:0:0:0:ffff:db48:372
219.72.3.115 0:0:0:0:0:ffff:db48:373
219.72.3.116 0:0:0:0:0:ffff:db48:374
219.72.3.117 0:0:0:0:0:ffff:db48:375
219.72.3.118 0:0:0:0:0:ffff:db48:376
219.72.3.119 0:0:0:0:0:ffff:db48:377
219.72.3.120 0:0:0:0:0:ffff:db48:378


219.72.3.121 0:0:0:0:0:ffff:db48:379
219.72.3.122 0:0:0:0:0:ffff:db48:37a
219.72.3.123 0:0:0:0:0:ffff:db48:37b
219.72.3.124 0:0:0:0:0:ffff:db48:37c
219.72.3.125 0:0:0:0:0:ffff:db48:37d
219.72.3.126 0:0:0:0:0:ffff:db48:37e
219.72.3.127 0:0:0:0:0:ffff:db48:37f
219.72.3.128 0:0:0:0:0:ffff:db48:380
219.72.3.129 0:0:0:0:0:ffff:db48:381
219.72.3.130 0:0:0:0:0:ffff:db48:382
219.72.3.131 0:0:0:0:0:ffff:db48:383
219.72.3.132 0:0:0:0:0:ffff:db48:384
219.72.3.133 0:0:0:0:0:ffff:db48:385
219.72.3.134 0:0:0:0:0:ffff:db48:386
219.72.3.135 0:0:0:0:0:ffff:db48:387
219.72.3.136 0:0:0:0:0:ffff:db48:388
219.72.3.137 0:0:0:0:0:ffff:db48:389
219.72.3.138 0:0:0:0:0:ffff:db48:38a
219.72.3.139 0:0:0:0:0:ffff:db48:38b
219.72.3.140 0:0:0:0:0:ffff:db48:38c
219.72.3.141 0:0:0:0:0:ffff:db48:38d
219.72.3.142 0:0:0:0:0:ffff:db48:38e
219.72.3.143 0:0:0:0:0:ffff:db48:38f
219.72.3.144 0:0:0:0:0:ffff:db48:390
219.72.3.145 0:0:0:0:0:ffff:db48:391
219.72.3.146 0:0:0:0:0:ffff:db48:392
219.72.3.147 0:0:0:0:0:ffff:db48:393
219.72.3.148 0:0:0:0:0:ffff:db48:394
219.72.3.149 0:0:0:0:0:ffff:db48:395
219.72.3.150 0:0:0:0:0:ffff:db48:396
219.72.3.151 0:0:0:0:0:ffff:db48:397
219.72.3.152 0:0:0:0:0:ffff:db48:398
219.72.3.153 0:0:0:0:0:ffff:db48:399
219.72.3.154 0:0:0:0:0:ffff:db48:39a
219.72.3.155 0:0:0:0:0:ffff:db48:39b
219.72.3.156 0:0:0:0:0:ffff:db48:39c
219.72.3.157 0:0:0:0:0:ffff:db48:39d
219.72.3.158 0:0:0:0:0:ffff:db48:39e
219.72.3.159 0:0:0:0:0:ffff:db48:39f
219.72.3.160 0:0:0:0:0:ffff:db48:3a0
219.72.3.161 0:0:0:0:0:ffff:db48:3a1
219.72.3.162 0:0:0:0:0:ffff:db48:3a2
219.72.3.163 0:0:0:0:0:ffff:db48:3a3
219.72.3.164 0:0:0:0:0:ffff:db48:3a4
219.72.3.165 0:0:0:0:0:ffff:db48:3a5
219.72.3.166 0:0:0:0:0:ffff:db48:3a6
219.72.3.167 0:0:0:0:0:ffff:db48:3a7
219.72.3.168 0:0:0:0:0:ffff:db48:3a8
219.72.3.169 0:0:0:0:0:ffff:db48:3a9
219.72.3.170 0:0:0:0:0:ffff:db48:3aa
219.72.3.171 0:0:0:0:0:ffff:db48:3ab
219.72.3.172 0:0:0:0:0:ffff:db48:3ac
219.72.3.173 0:0:0:0:0:ffff:db48:3ad
219.72.3.174 0:0:0:0:0:ffff:db48:3ae
219.72.3.175 0:0:0:0:0:ffff:db48:3af
219.72.3.176 0:0:0:0:0:ffff:db48:3b0
219.72.3.177 0:0:0:0:0:ffff:db48:3b1
219.72.3.178 0:0:0:0:0:ffff:db48:3b2
219.72.3.179 0:0:0:0:0:ffff:db48:3b3
219.72.3.180 0:0:0:0:0:ffff:db48:3b4


219.72.3.181 0:0:0:0:0:ffff:db48:3b5
219.72.3.182 0:0:0:0:0:ffff:db48:3b6
219.72.3.183 0:0:0:0:0:ffff:db48:3b7
219.72.3.184 0:0:0:0:0:ffff:db48:3b8
219.72.3.185 0:0:0:0:0:ffff:db48:3b9
219.72.3.186 0:0:0:0:0:ffff:db48:3ba
219.72.3.187 0:0:0:0:0:ffff:db48:3bb
219.72.3.188 0:0:0:0:0:ffff:db48:3bc
219.72.3.189 0:0:0:0:0:ffff:db48:3bd
219.72.3.190 0:0:0:0:0:ffff:db48:3be
219.72.3.191 0:0:0:0:0:ffff:db48:3bf
219.72.3.192 0:0:0:0:0:ffff:db48:3c0
219.72.3.193 0:0:0:0:0:ffff:db48:3c1
219.72.3.194 0:0:0:0:0:ffff:db48:3c2
219.72.3.195 0:0:0:0:0:ffff:db48:3c3
219.72.3.196 0:0:0:0:0:ffff:db48:3c4
219.72.3.197 0:0:0:0:0:ffff:db48:3c5
219.72.3.198 0:0:0:0:0:ffff:db48:3c6
219.72.3.199 0:0:0:0:0:ffff:db48:3c7
219.72.3.200 0:0:0:0:0:ffff:db48:3c8
219.72.3.201 0:0:0:0:0:ffff:db48:3c9
219.72.3.202 0:0:0:0:0:ffff:db48:3ca
219.72.3.203 0:0:0:0:0:ffff:db48:3cb
219.72.3.204 0:0:0:0:0:ffff:db48:3cc
219.72.3.205 0:0:0:0:0:ffff:db48:3cd
219.72.3.206 0:0:0:0:0:ffff:db48:3ce
219.72.3.207 0:0:0:0:0:ffff:db48:3cf
219.72.3.208 0:0:0:0:0:ffff:db48:3d0
219.72.3.209 0:0:0:0:0:ffff:db48:3d1
219.72.3.210 0:0:0:0:0:ffff:db48:3d2
219.72.3.211 0:0:0:0:0:ffff:db48:3d3
219.72.3.212 0:0:0:0:0:ffff:db48:3d4
219.72.3.213 0:0:0:0:0:ffff:db48:3d5
219.72.3.214 0:0:0:0:0:ffff:db48:3d6
219.72.3.215 0:0:0:0:0:ffff:db48:3d7
219.72.3.216 0:0:0:0:0:ffff:db48:3d8
219.72.3.217 0:0:0:0:0:ffff:db48:3d9
219.72.3.218 0:0:0:0:0:ffff:db48:3da
219.72.3.219 0:0:0:0:0:ffff:db48:3db
219.72.3.220 0:0:0:0:0:ffff:db48:3dc
219.72.3.221 0:0:0:0:0:ffff:db48:3dd
219.72.3.222 0:0:0:0:0:ffff:db48:3de
219.72.3.223 0:0:0:0:0:ffff:db48:3df
219.72.3.224 0:0:0:0:0:ffff:db48:3e0
219.72.3.225 0:0:0:0:0:ffff:db48:3e1
219.72.3.226 0:0:0:0:0:ffff:db48:3e2
219.72.3.227 0:0:0:0:0:ffff:db48:3e3
219.72.3.228 0:0:0:0:0:ffff:db48:3e4
219.72.3.229 0:0:0:0:0:ffff:db48:3e5
219.72.3.230 0:0:0:0:0:ffff:db48:3e6
219.72.3.231 0:0:0:0:0:ffff:db48:3e7
219.72.3.232 0:0:0:0:0:ffff:db48:3e8
219.72.3.233 0:0:0:0:0:ffff:db48:3e9
219.72.3.234 0:0:0:0:0:ffff:db48:3ea
219.72.3.235 0:0:0:0:0:ffff:db48:3eb
219.72.3.236 0:0:0:0:0:ffff:db48:3ec
219.72.3.237 0:0:0:0:0:ffff:db48:3ed
219.72.3.238 0:0:0:0:0:ffff:db48:3ee
219.72.3.239 0:0:0:0:0:ffff:db48:3ef
219.72.3.240 0:0:0:0:0:ffff:db48:3f0
219.72.3.241 0:0:0:0:0:ffff:db48:3f1
219.72.3.242 0:0:0:0:0:ffff:db48:3f2
219.72.3.243 0:0:0:0:0:ffff:db48:3f3
219.72.3.244 0:0:0:0:0:ffff:db48:3f4
219.72.3.245 0:0:0:0:0:ffff:db48:3f5
219.72.3.246 0:0:0:0:0:ffff:db48:3f6
219.72.3.247 0:0:0:0:0:ffff:db48:3f7
219.72.3.248 0:0:0:0:0:ffff:db48:3f8
219.72.3.249 0:0:0:0:0:ffff:db48:3f9
219.72.3.250 0:0:0:0:0:ffff:db48:3fa
219.72.3.251 0:0:0:0:0:ffff:db48:3fb
219.72.3.252 0:0:0:0:0:ffff:db48:3fc
219.72.3.253 0:0:0:0:0:ffff:db48:3fd
219.72.3.254 0:0:0:0:0:ffff:db48:3fe
219.72.3.255 0:0:0:0:0:ffff:db48:3ff


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.