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
72.72.3.1 0:0:0:0:0:ffff:4848:301
72.72.3.2 0:0:0:0:0:ffff:4848:302
72.72.3.3 0:0:0:0:0:ffff:4848:303
72.72.3.4 0:0:0:0:0:ffff:4848:304
72.72.3.5 0:0:0:0:0:ffff:4848:305
72.72.3.6 0:0:0:0:0:ffff:4848:306
72.72.3.7 0:0:0:0:0:ffff:4848:307
72.72.3.8 0:0:0:0:0:ffff:4848:308
72.72.3.9 0:0:0:0:0:ffff:4848:309
72.72.3.10 0:0:0:0:0:ffff:4848:30a
72.72.3.11 0:0:0:0:0:ffff:4848:30b
72.72.3.12 0:0:0:0:0:ffff:4848:30c
72.72.3.13 0:0:0:0:0:ffff:4848:30d
72.72.3.14 0:0:0:0:0:ffff:4848:30e
72.72.3.15 0:0:0:0:0:ffff:4848:30f
72.72.3.16 0:0:0:0:0:ffff:4848:310
72.72.3.17 0:0:0:0:0:ffff:4848:311
72.72.3.18 0:0:0:0:0:ffff:4848:312
72.72.3.19 0:0:0:0:0:ffff:4848:313
72.72.3.20 0:0:0:0:0:ffff:4848:314
72.72.3.21 0:0:0:0:0:ffff:4848:315
72.72.3.22 0:0:0:0:0:ffff:4848:316
72.72.3.23 0:0:0:0:0:ffff:4848:317
72.72.3.24 0:0:0:0:0:ffff:4848:318
72.72.3.25 0:0:0:0:0:ffff:4848:319
72.72.3.26 0:0:0:0:0:ffff:4848:31a
72.72.3.27 0:0:0:0:0:ffff:4848:31b
72.72.3.28 0:0:0:0:0:ffff:4848:31c
72.72.3.29 0:0:0:0:0:ffff:4848:31d
72.72.3.30 0:0:0:0:0:ffff:4848:31e
72.72.3.31 0:0:0:0:0:ffff:4848:31f
72.72.3.32 0:0:0:0:0:ffff:4848:320
72.72.3.33 0:0:0:0:0:ffff:4848:321
72.72.3.34 0:0:0:0:0:ffff:4848:322
72.72.3.35 0:0:0:0:0:ffff:4848:323
72.72.3.36 0:0:0:0:0:ffff:4848:324
72.72.3.37 0:0:0:0:0:ffff:4848:325
72.72.3.38 0:0:0:0:0:ffff:4848:326
72.72.3.39 0:0:0:0:0:ffff:4848:327
72.72.3.40 0:0:0:0:0:ffff:4848:328
72.72.3.41 0:0:0:0:0:ffff:4848:329
72.72.3.42 0:0:0:0:0:ffff:4848:32a
72.72.3.43 0:0:0:0:0:ffff:4848:32b
72.72.3.44 0:0:0:0:0:ffff:4848:32c
72.72.3.45 0:0:0:0:0:ffff:4848:32d
72.72.3.46 0:0:0:0:0:ffff:4848:32e
72.72.3.47 0:0:0:0:0:ffff:4848:32f
72.72.3.48 0:0:0:0:0:ffff:4848:330
72.72.3.49 0:0:0:0:0:ffff:4848:331
72.72.3.50 0:0:0:0:0:ffff:4848:332
72.72.3.51 0:0:0:0:0:ffff:4848:333
72.72.3.52 0:0:0:0:0:ffff:4848:334
72.72.3.53 0:0:0:0:0:ffff:4848:335
72.72.3.54 0:0:0:0:0:ffff:4848:336
72.72.3.55 0:0:0:0:0:ffff:4848:337
72.72.3.56 0:0:0:0:0:ffff:4848:338
72.72.3.57 0:0:0:0:0:ffff:4848:339
72.72.3.58 0:0:0:0:0:ffff:4848:33a
72.72.3.59 0:0:0:0:0:ffff:4848:33b
72.72.3.60 0:0:0:0:0:ffff:4848:33c


72.72.3.61 0:0:0:0:0:ffff:4848:33d
72.72.3.62 0:0:0:0:0:ffff:4848:33e
72.72.3.63 0:0:0:0:0:ffff:4848:33f
72.72.3.64 0:0:0:0:0:ffff:4848:340
72.72.3.65 0:0:0:0:0:ffff:4848:341
72.72.3.66 0:0:0:0:0:ffff:4848:342
72.72.3.67 0:0:0:0:0:ffff:4848:343
72.72.3.68 0:0:0:0:0:ffff:4848:344
72.72.3.69 0:0:0:0:0:ffff:4848:345
72.72.3.70 0:0:0:0:0:ffff:4848:346
72.72.3.71 0:0:0:0:0:ffff:4848:347
72.72.3.72 0:0:0:0:0:ffff:4848:348
72.72.3.73 0:0:0:0:0:ffff:4848:349
72.72.3.74 0:0:0:0:0:ffff:4848:34a
72.72.3.75 0:0:0:0:0:ffff:4848:34b
72.72.3.76 0:0:0:0:0:ffff:4848:34c
72.72.3.77 0:0:0:0:0:ffff:4848:34d
72.72.3.78 0:0:0:0:0:ffff:4848:34e
72.72.3.79 0:0:0:0:0:ffff:4848:34f
72.72.3.80 0:0:0:0:0:ffff:4848:350
72.72.3.81 0:0:0:0:0:ffff:4848:351
72.72.3.82 0:0:0:0:0:ffff:4848:352
72.72.3.83 0:0:0:0:0:ffff:4848:353
72.72.3.84 0:0:0:0:0:ffff:4848:354
72.72.3.85 0:0:0:0:0:ffff:4848:355
72.72.3.86 0:0:0:0:0:ffff:4848:356
72.72.3.87 0:0:0:0:0:ffff:4848:357
72.72.3.88 0:0:0:0:0:ffff:4848:358
72.72.3.89 0:0:0:0:0:ffff:4848:359
72.72.3.90 0:0:0:0:0:ffff:4848:35a
72.72.3.91 0:0:0:0:0:ffff:4848:35b
72.72.3.92 0:0:0:0:0:ffff:4848:35c
72.72.3.93 0:0:0:0:0:ffff:4848:35d
72.72.3.94 0:0:0:0:0:ffff:4848:35e
72.72.3.95 0:0:0:0:0:ffff:4848:35f
72.72.3.96 0:0:0:0:0:ffff:4848:360
72.72.3.97 0:0:0:0:0:ffff:4848:361
72.72.3.98 0:0:0:0:0:ffff:4848:362
72.72.3.99 0:0:0:0:0:ffff:4848:363
72.72.3.100 0:0:0:0:0:ffff:4848:364
72.72.3.101 0:0:0:0:0:ffff:4848:365
72.72.3.102 0:0:0:0:0:ffff:4848:366
72.72.3.103 0:0:0:0:0:ffff:4848:367
72.72.3.104 0:0:0:0:0:ffff:4848:368
72.72.3.105 0:0:0:0:0:ffff:4848:369
72.72.3.106 0:0:0:0:0:ffff:4848:36a
72.72.3.107 0:0:0:0:0:ffff:4848:36b
72.72.3.108 0:0:0:0:0:ffff:4848:36c
72.72.3.109 0:0:0:0:0:ffff:4848:36d
72.72.3.110 0:0:0:0:0:ffff:4848:36e
72.72.3.111 0:0:0:0:0:ffff:4848:36f
72.72.3.112 0:0:0:0:0:ffff:4848:370
72.72.3.113 0:0:0:0:0:ffff:4848:371
72.72.3.114 0:0:0:0:0:ffff:4848:372
72.72.3.115 0:0:0:0:0:ffff:4848:373
72.72.3.116 0:0:0:0:0:ffff:4848:374
72.72.3.117 0:0:0:0:0:ffff:4848:375
72.72.3.118 0:0:0:0:0:ffff:4848:376
72.72.3.119 0:0:0:0:0:ffff:4848:377
72.72.3.120 0:0:0:0:0:ffff:4848:378


72.72.3.121 0:0:0:0:0:ffff:4848:379
72.72.3.122 0:0:0:0:0:ffff:4848:37a
72.72.3.123 0:0:0:0:0:ffff:4848:37b
72.72.3.124 0:0:0:0:0:ffff:4848:37c
72.72.3.125 0:0:0:0:0:ffff:4848:37d
72.72.3.126 0:0:0:0:0:ffff:4848:37e
72.72.3.127 0:0:0:0:0:ffff:4848:37f
72.72.3.128 0:0:0:0:0:ffff:4848:380
72.72.3.129 0:0:0:0:0:ffff:4848:381
72.72.3.130 0:0:0:0:0:ffff:4848:382
72.72.3.131 0:0:0:0:0:ffff:4848:383
72.72.3.132 0:0:0:0:0:ffff:4848:384
72.72.3.133 0:0:0:0:0:ffff:4848:385
72.72.3.134 0:0:0:0:0:ffff:4848:386
72.72.3.135 0:0:0:0:0:ffff:4848:387
72.72.3.136 0:0:0:0:0:ffff:4848:388
72.72.3.137 0:0:0:0:0:ffff:4848:389
72.72.3.138 0:0:0:0:0:ffff:4848:38a
72.72.3.139 0:0:0:0:0:ffff:4848:38b
72.72.3.140 0:0:0:0:0:ffff:4848:38c
72.72.3.141 0:0:0:0:0:ffff:4848:38d
72.72.3.142 0:0:0:0:0:ffff:4848:38e
72.72.3.143 0:0:0:0:0:ffff:4848:38f
72.72.3.144 0:0:0:0:0:ffff:4848:390
72.72.3.145 0:0:0:0:0:ffff:4848:391
72.72.3.146 0:0:0:0:0:ffff:4848:392
72.72.3.147 0:0:0:0:0:ffff:4848:393
72.72.3.148 0:0:0:0:0:ffff:4848:394
72.72.3.149 0:0:0:0:0:ffff:4848:395
72.72.3.150 0:0:0:0:0:ffff:4848:396
72.72.3.151 0:0:0:0:0:ffff:4848:397
72.72.3.152 0:0:0:0:0:ffff:4848:398
72.72.3.153 0:0:0:0:0:ffff:4848:399
72.72.3.154 0:0:0:0:0:ffff:4848:39a
72.72.3.155 0:0:0:0:0:ffff:4848:39b
72.72.3.156 0:0:0:0:0:ffff:4848:39c
72.72.3.157 0:0:0:0:0:ffff:4848:39d
72.72.3.158 0:0:0:0:0:ffff:4848:39e
72.72.3.159 0:0:0:0:0:ffff:4848:39f
72.72.3.160 0:0:0:0:0:ffff:4848:3a0
72.72.3.161 0:0:0:0:0:ffff:4848:3a1
72.72.3.162 0:0:0:0:0:ffff:4848:3a2
72.72.3.163 0:0:0:0:0:ffff:4848:3a3
72.72.3.164 0:0:0:0:0:ffff:4848:3a4
72.72.3.165 0:0:0:0:0:ffff:4848:3a5
72.72.3.166 0:0:0:0:0:ffff:4848:3a6
72.72.3.167 0:0:0:0:0:ffff:4848:3a7
72.72.3.168 0:0:0:0:0:ffff:4848:3a8
72.72.3.169 0:0:0:0:0:ffff:4848:3a9
72.72.3.170 0:0:0:0:0:ffff:4848:3aa
72.72.3.171 0:0:0:0:0:ffff:4848:3ab
72.72.3.172 0:0:0:0:0:ffff:4848:3ac
72.72.3.173 0:0:0:0:0:ffff:4848:3ad
72.72.3.174 0:0:0:0:0:ffff:4848:3ae
72.72.3.175 0:0:0:0:0:ffff:4848:3af
72.72.3.176 0:0:0:0:0:ffff:4848:3b0
72.72.3.177 0:0:0:0:0:ffff:4848:3b1
72.72.3.178 0:0:0:0:0:ffff:4848:3b2
72.72.3.179 0:0:0:0:0:ffff:4848:3b3
72.72.3.180 0:0:0:0:0:ffff:4848:3b4


72.72.3.181 0:0:0:0:0:ffff:4848:3b5
72.72.3.182 0:0:0:0:0:ffff:4848:3b6
72.72.3.183 0:0:0:0:0:ffff:4848:3b7
72.72.3.184 0:0:0:0:0:ffff:4848:3b8
72.72.3.185 0:0:0:0:0:ffff:4848:3b9
72.72.3.186 0:0:0:0:0:ffff:4848:3ba
72.72.3.187 0:0:0:0:0:ffff:4848:3bb
72.72.3.188 0:0:0:0:0:ffff:4848:3bc
72.72.3.189 0:0:0:0:0:ffff:4848:3bd
72.72.3.190 0:0:0:0:0:ffff:4848:3be
72.72.3.191 0:0:0:0:0:ffff:4848:3bf
72.72.3.192 0:0:0:0:0:ffff:4848:3c0
72.72.3.193 0:0:0:0:0:ffff:4848:3c1
72.72.3.194 0:0:0:0:0:ffff:4848:3c2
72.72.3.195 0:0:0:0:0:ffff:4848:3c3
72.72.3.196 0:0:0:0:0:ffff:4848:3c4
72.72.3.197 0:0:0:0:0:ffff:4848:3c5
72.72.3.198 0:0:0:0:0:ffff:4848:3c6
72.72.3.199 0:0:0:0:0:ffff:4848:3c7
72.72.3.200 0:0:0:0:0:ffff:4848:3c8
72.72.3.201 0:0:0:0:0:ffff:4848:3c9
72.72.3.202 0:0:0:0:0:ffff:4848:3ca
72.72.3.203 0:0:0:0:0:ffff:4848:3cb
72.72.3.204 0:0:0:0:0:ffff:4848:3cc
72.72.3.205 0:0:0:0:0:ffff:4848:3cd
72.72.3.206 0:0:0:0:0:ffff:4848:3ce
72.72.3.207 0:0:0:0:0:ffff:4848:3cf
72.72.3.208 0:0:0:0:0:ffff:4848:3d0
72.72.3.209 0:0:0:0:0:ffff:4848:3d1
72.72.3.210 0:0:0:0:0:ffff:4848:3d2
72.72.3.211 0:0:0:0:0:ffff:4848:3d3
72.72.3.212 0:0:0:0:0:ffff:4848:3d4
72.72.3.213 0:0:0:0:0:ffff:4848:3d5
72.72.3.214 0:0:0:0:0:ffff:4848:3d6
72.72.3.215 0:0:0:0:0:ffff:4848:3d7
72.72.3.216 0:0:0:0:0:ffff:4848:3d8
72.72.3.217 0:0:0:0:0:ffff:4848:3d9
72.72.3.218 0:0:0:0:0:ffff:4848:3da
72.72.3.219 0:0:0:0:0:ffff:4848:3db
72.72.3.220 0:0:0:0:0:ffff:4848:3dc
72.72.3.221 0:0:0:0:0:ffff:4848:3dd
72.72.3.222 0:0:0:0:0:ffff:4848:3de
72.72.3.223 0:0:0:0:0:ffff:4848:3df
72.72.3.224 0:0:0:0:0:ffff:4848:3e0
72.72.3.225 0:0:0:0:0:ffff:4848:3e1
72.72.3.226 0:0:0:0:0:ffff:4848:3e2
72.72.3.227 0:0:0:0:0:ffff:4848:3e3
72.72.3.228 0:0:0:0:0:ffff:4848:3e4
72.72.3.229 0:0:0:0:0:ffff:4848:3e5
72.72.3.230 0:0:0:0:0:ffff:4848:3e6
72.72.3.231 0:0:0:0:0:ffff:4848:3e7
72.72.3.232 0:0:0:0:0:ffff:4848:3e8
72.72.3.233 0:0:0:0:0:ffff:4848:3e9
72.72.3.234 0:0:0:0:0:ffff:4848:3ea
72.72.3.235 0:0:0:0:0:ffff:4848:3eb
72.72.3.236 0:0:0:0:0:ffff:4848:3ec
72.72.3.237 0:0:0:0:0:ffff:4848:3ed
72.72.3.238 0:0:0:0:0:ffff:4848:3ee
72.72.3.239 0:0:0:0:0:ffff:4848:3ef
72.72.3.240 0:0:0:0:0:ffff:4848:3f0
72.72.3.241 0:0:0:0:0:ffff:4848:3f1
72.72.3.242 0:0:0:0:0:ffff:4848:3f2
72.72.3.243 0:0:0:0:0:ffff:4848:3f3
72.72.3.244 0:0:0:0:0:ffff:4848:3f4
72.72.3.245 0:0:0:0:0:ffff:4848:3f5
72.72.3.246 0:0:0:0:0:ffff:4848:3f6
72.72.3.247 0:0:0:0:0:ffff:4848:3f7
72.72.3.248 0:0:0:0:0:ffff:4848:3f8
72.72.3.249 0:0:0:0:0:ffff:4848:3f9
72.72.3.250 0:0:0:0:0:ffff:4848:3fa
72.72.3.251 0:0:0:0:0:ffff:4848:3fb
72.72.3.252 0:0:0:0:0:ffff:4848:3fc
72.72.3.253 0:0:0:0:0:ffff:4848:3fd
72.72.3.254 0:0:0:0:0:ffff:4848:3fe
72.72.3.255 0:0:0:0:0:ffff:4848:3ff


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.