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
191.215.3.1 0:0:0:0:0:ffff:bfd7:301
191.215.3.2 0:0:0:0:0:ffff:bfd7:302
191.215.3.3 0:0:0:0:0:ffff:bfd7:303
191.215.3.4 0:0:0:0:0:ffff:bfd7:304
191.215.3.5 0:0:0:0:0:ffff:bfd7:305
191.215.3.6 0:0:0:0:0:ffff:bfd7:306
191.215.3.7 0:0:0:0:0:ffff:bfd7:307
191.215.3.8 0:0:0:0:0:ffff:bfd7:308
191.215.3.9 0:0:0:0:0:ffff:bfd7:309
191.215.3.10 0:0:0:0:0:ffff:bfd7:30a
191.215.3.11 0:0:0:0:0:ffff:bfd7:30b
191.215.3.12 0:0:0:0:0:ffff:bfd7:30c
191.215.3.13 0:0:0:0:0:ffff:bfd7:30d
191.215.3.14 0:0:0:0:0:ffff:bfd7:30e
191.215.3.15 0:0:0:0:0:ffff:bfd7:30f
191.215.3.16 0:0:0:0:0:ffff:bfd7:310
191.215.3.17 0:0:0:0:0:ffff:bfd7:311
191.215.3.18 0:0:0:0:0:ffff:bfd7:312
191.215.3.19 0:0:0:0:0:ffff:bfd7:313
191.215.3.20 0:0:0:0:0:ffff:bfd7:314
191.215.3.21 0:0:0:0:0:ffff:bfd7:315
191.215.3.22 0:0:0:0:0:ffff:bfd7:316
191.215.3.23 0:0:0:0:0:ffff:bfd7:317
191.215.3.24 0:0:0:0:0:ffff:bfd7:318
191.215.3.25 0:0:0:0:0:ffff:bfd7:319
191.215.3.26 0:0:0:0:0:ffff:bfd7:31a
191.215.3.27 0:0:0:0:0:ffff:bfd7:31b
191.215.3.28 0:0:0:0:0:ffff:bfd7:31c
191.215.3.29 0:0:0:0:0:ffff:bfd7:31d
191.215.3.30 0:0:0:0:0:ffff:bfd7:31e
191.215.3.31 0:0:0:0:0:ffff:bfd7:31f
191.215.3.32 0:0:0:0:0:ffff:bfd7:320
191.215.3.33 0:0:0:0:0:ffff:bfd7:321
191.215.3.34 0:0:0:0:0:ffff:bfd7:322
191.215.3.35 0:0:0:0:0:ffff:bfd7:323
191.215.3.36 0:0:0:0:0:ffff:bfd7:324
191.215.3.37 0:0:0:0:0:ffff:bfd7:325
191.215.3.38 0:0:0:0:0:ffff:bfd7:326
191.215.3.39 0:0:0:0:0:ffff:bfd7:327
191.215.3.40 0:0:0:0:0:ffff:bfd7:328
191.215.3.41 0:0:0:0:0:ffff:bfd7:329
191.215.3.42 0:0:0:0:0:ffff:bfd7:32a
191.215.3.43 0:0:0:0:0:ffff:bfd7:32b
191.215.3.44 0:0:0:0:0:ffff:bfd7:32c
191.215.3.45 0:0:0:0:0:ffff:bfd7:32d
191.215.3.46 0:0:0:0:0:ffff:bfd7:32e
191.215.3.47 0:0:0:0:0:ffff:bfd7:32f
191.215.3.48 0:0:0:0:0:ffff:bfd7:330
191.215.3.49 0:0:0:0:0:ffff:bfd7:331
191.215.3.50 0:0:0:0:0:ffff:bfd7:332
191.215.3.51 0:0:0:0:0:ffff:bfd7:333
191.215.3.52 0:0:0:0:0:ffff:bfd7:334
191.215.3.53 0:0:0:0:0:ffff:bfd7:335
191.215.3.54 0:0:0:0:0:ffff:bfd7:336
191.215.3.55 0:0:0:0:0:ffff:bfd7:337
191.215.3.56 0:0:0:0:0:ffff:bfd7:338
191.215.3.57 0:0:0:0:0:ffff:bfd7:339
191.215.3.58 0:0:0:0:0:ffff:bfd7:33a
191.215.3.59 0:0:0:0:0:ffff:bfd7:33b
191.215.3.60 0:0:0:0:0:ffff:bfd7:33c


191.215.3.61 0:0:0:0:0:ffff:bfd7:33d
191.215.3.62 0:0:0:0:0:ffff:bfd7:33e
191.215.3.63 0:0:0:0:0:ffff:bfd7:33f
191.215.3.64 0:0:0:0:0:ffff:bfd7:340
191.215.3.65 0:0:0:0:0:ffff:bfd7:341
191.215.3.66 0:0:0:0:0:ffff:bfd7:342
191.215.3.67 0:0:0:0:0:ffff:bfd7:343
191.215.3.68 0:0:0:0:0:ffff:bfd7:344
191.215.3.69 0:0:0:0:0:ffff:bfd7:345
191.215.3.70 0:0:0:0:0:ffff:bfd7:346
191.215.3.71 0:0:0:0:0:ffff:bfd7:347
191.215.3.72 0:0:0:0:0:ffff:bfd7:348
191.215.3.73 0:0:0:0:0:ffff:bfd7:349
191.215.3.74 0:0:0:0:0:ffff:bfd7:34a
191.215.3.75 0:0:0:0:0:ffff:bfd7:34b
191.215.3.76 0:0:0:0:0:ffff:bfd7:34c
191.215.3.77 0:0:0:0:0:ffff:bfd7:34d
191.215.3.78 0:0:0:0:0:ffff:bfd7:34e
191.215.3.79 0:0:0:0:0:ffff:bfd7:34f
191.215.3.80 0:0:0:0:0:ffff:bfd7:350
191.215.3.81 0:0:0:0:0:ffff:bfd7:351
191.215.3.82 0:0:0:0:0:ffff:bfd7:352
191.215.3.83 0:0:0:0:0:ffff:bfd7:353
191.215.3.84 0:0:0:0:0:ffff:bfd7:354
191.215.3.85 0:0:0:0:0:ffff:bfd7:355
191.215.3.86 0:0:0:0:0:ffff:bfd7:356
191.215.3.87 0:0:0:0:0:ffff:bfd7:357
191.215.3.88 0:0:0:0:0:ffff:bfd7:358
191.215.3.89 0:0:0:0:0:ffff:bfd7:359
191.215.3.90 0:0:0:0:0:ffff:bfd7:35a
191.215.3.91 0:0:0:0:0:ffff:bfd7:35b
191.215.3.92 0:0:0:0:0:ffff:bfd7:35c
191.215.3.93 0:0:0:0:0:ffff:bfd7:35d
191.215.3.94 0:0:0:0:0:ffff:bfd7:35e
191.215.3.95 0:0:0:0:0:ffff:bfd7:35f
191.215.3.96 0:0:0:0:0:ffff:bfd7:360
191.215.3.97 0:0:0:0:0:ffff:bfd7:361
191.215.3.98 0:0:0:0:0:ffff:bfd7:362
191.215.3.99 0:0:0:0:0:ffff:bfd7:363
191.215.3.100 0:0:0:0:0:ffff:bfd7:364
191.215.3.101 0:0:0:0:0:ffff:bfd7:365
191.215.3.102 0:0:0:0:0:ffff:bfd7:366
191.215.3.103 0:0:0:0:0:ffff:bfd7:367
191.215.3.104 0:0:0:0:0:ffff:bfd7:368
191.215.3.105 0:0:0:0:0:ffff:bfd7:369
191.215.3.106 0:0:0:0:0:ffff:bfd7:36a
191.215.3.107 0:0:0:0:0:ffff:bfd7:36b
191.215.3.108 0:0:0:0:0:ffff:bfd7:36c
191.215.3.109 0:0:0:0:0:ffff:bfd7:36d
191.215.3.110 0:0:0:0:0:ffff:bfd7:36e
191.215.3.111 0:0:0:0:0:ffff:bfd7:36f
191.215.3.112 0:0:0:0:0:ffff:bfd7:370
191.215.3.113 0:0:0:0:0:ffff:bfd7:371
191.215.3.114 0:0:0:0:0:ffff:bfd7:372
191.215.3.115 0:0:0:0:0:ffff:bfd7:373
191.215.3.116 0:0:0:0:0:ffff:bfd7:374
191.215.3.117 0:0:0:0:0:ffff:bfd7:375
191.215.3.118 0:0:0:0:0:ffff:bfd7:376
191.215.3.119 0:0:0:0:0:ffff:bfd7:377
191.215.3.120 0:0:0:0:0:ffff:bfd7:378


191.215.3.121 0:0:0:0:0:ffff:bfd7:379
191.215.3.122 0:0:0:0:0:ffff:bfd7:37a
191.215.3.123 0:0:0:0:0:ffff:bfd7:37b
191.215.3.124 0:0:0:0:0:ffff:bfd7:37c
191.215.3.125 0:0:0:0:0:ffff:bfd7:37d
191.215.3.126 0:0:0:0:0:ffff:bfd7:37e
191.215.3.127 0:0:0:0:0:ffff:bfd7:37f
191.215.3.128 0:0:0:0:0:ffff:bfd7:380
191.215.3.129 0:0:0:0:0:ffff:bfd7:381
191.215.3.130 0:0:0:0:0:ffff:bfd7:382
191.215.3.131 0:0:0:0:0:ffff:bfd7:383
191.215.3.132 0:0:0:0:0:ffff:bfd7:384
191.215.3.133 0:0:0:0:0:ffff:bfd7:385
191.215.3.134 0:0:0:0:0:ffff:bfd7:386
191.215.3.135 0:0:0:0:0:ffff:bfd7:387
191.215.3.136 0:0:0:0:0:ffff:bfd7:388
191.215.3.137 0:0:0:0:0:ffff:bfd7:389
191.215.3.138 0:0:0:0:0:ffff:bfd7:38a
191.215.3.139 0:0:0:0:0:ffff:bfd7:38b
191.215.3.140 0:0:0:0:0:ffff:bfd7:38c
191.215.3.141 0:0:0:0:0:ffff:bfd7:38d
191.215.3.142 0:0:0:0:0:ffff:bfd7:38e
191.215.3.143 0:0:0:0:0:ffff:bfd7:38f
191.215.3.144 0:0:0:0:0:ffff:bfd7:390
191.215.3.145 0:0:0:0:0:ffff:bfd7:391
191.215.3.146 0:0:0:0:0:ffff:bfd7:392
191.215.3.147 0:0:0:0:0:ffff:bfd7:393
191.215.3.148 0:0:0:0:0:ffff:bfd7:394
191.215.3.149 0:0:0:0:0:ffff:bfd7:395
191.215.3.150 0:0:0:0:0:ffff:bfd7:396
191.215.3.151 0:0:0:0:0:ffff:bfd7:397
191.215.3.152 0:0:0:0:0:ffff:bfd7:398
191.215.3.153 0:0:0:0:0:ffff:bfd7:399
191.215.3.154 0:0:0:0:0:ffff:bfd7:39a
191.215.3.155 0:0:0:0:0:ffff:bfd7:39b
191.215.3.156 0:0:0:0:0:ffff:bfd7:39c
191.215.3.157 0:0:0:0:0:ffff:bfd7:39d
191.215.3.158 0:0:0:0:0:ffff:bfd7:39e
191.215.3.159 0:0:0:0:0:ffff:bfd7:39f
191.215.3.160 0:0:0:0:0:ffff:bfd7:3a0
191.215.3.161 0:0:0:0:0:ffff:bfd7:3a1
191.215.3.162 0:0:0:0:0:ffff:bfd7:3a2
191.215.3.163 0:0:0:0:0:ffff:bfd7:3a3
191.215.3.164 0:0:0:0:0:ffff:bfd7:3a4
191.215.3.165 0:0:0:0:0:ffff:bfd7:3a5
191.215.3.166 0:0:0:0:0:ffff:bfd7:3a6
191.215.3.167 0:0:0:0:0:ffff:bfd7:3a7
191.215.3.168 0:0:0:0:0:ffff:bfd7:3a8
191.215.3.169 0:0:0:0:0:ffff:bfd7:3a9
191.215.3.170 0:0:0:0:0:ffff:bfd7:3aa
191.215.3.171 0:0:0:0:0:ffff:bfd7:3ab
191.215.3.172 0:0:0:0:0:ffff:bfd7:3ac
191.215.3.173 0:0:0:0:0:ffff:bfd7:3ad
191.215.3.174 0:0:0:0:0:ffff:bfd7:3ae
191.215.3.175 0:0:0:0:0:ffff:bfd7:3af
191.215.3.176 0:0:0:0:0:ffff:bfd7:3b0
191.215.3.177 0:0:0:0:0:ffff:bfd7:3b1
191.215.3.178 0:0:0:0:0:ffff:bfd7:3b2
191.215.3.179 0:0:0:0:0:ffff:bfd7:3b3
191.215.3.180 0:0:0:0:0:ffff:bfd7:3b4


191.215.3.181 0:0:0:0:0:ffff:bfd7:3b5
191.215.3.182 0:0:0:0:0:ffff:bfd7:3b6
191.215.3.183 0:0:0:0:0:ffff:bfd7:3b7
191.215.3.184 0:0:0:0:0:ffff:bfd7:3b8
191.215.3.185 0:0:0:0:0:ffff:bfd7:3b9
191.215.3.186 0:0:0:0:0:ffff:bfd7:3ba
191.215.3.187 0:0:0:0:0:ffff:bfd7:3bb
191.215.3.188 0:0:0:0:0:ffff:bfd7:3bc
191.215.3.189 0:0:0:0:0:ffff:bfd7:3bd
191.215.3.190 0:0:0:0:0:ffff:bfd7:3be
191.215.3.191 0:0:0:0:0:ffff:bfd7:3bf
191.215.3.192 0:0:0:0:0:ffff:bfd7:3c0
191.215.3.193 0:0:0:0:0:ffff:bfd7:3c1
191.215.3.194 0:0:0:0:0:ffff:bfd7:3c2
191.215.3.195 0:0:0:0:0:ffff:bfd7:3c3
191.215.3.196 0:0:0:0:0:ffff:bfd7:3c4
191.215.3.197 0:0:0:0:0:ffff:bfd7:3c5
191.215.3.198 0:0:0:0:0:ffff:bfd7:3c6
191.215.3.199 0:0:0:0:0:ffff:bfd7:3c7
191.215.3.200 0:0:0:0:0:ffff:bfd7:3c8
191.215.3.201 0:0:0:0:0:ffff:bfd7:3c9
191.215.3.202 0:0:0:0:0:ffff:bfd7:3ca
191.215.3.203 0:0:0:0:0:ffff:bfd7:3cb
191.215.3.204 0:0:0:0:0:ffff:bfd7:3cc
191.215.3.205 0:0:0:0:0:ffff:bfd7:3cd
191.215.3.206 0:0:0:0:0:ffff:bfd7:3ce
191.215.3.207 0:0:0:0:0:ffff:bfd7:3cf
191.215.3.208 0:0:0:0:0:ffff:bfd7:3d0
191.215.3.209 0:0:0:0:0:ffff:bfd7:3d1
191.215.3.210 0:0:0:0:0:ffff:bfd7:3d2
191.215.3.211 0:0:0:0:0:ffff:bfd7:3d3
191.215.3.212 0:0:0:0:0:ffff:bfd7:3d4
191.215.3.213 0:0:0:0:0:ffff:bfd7:3d5
191.215.3.214 0:0:0:0:0:ffff:bfd7:3d6
191.215.3.215 0:0:0:0:0:ffff:bfd7:3d7
191.215.3.216 0:0:0:0:0:ffff:bfd7:3d8
191.215.3.217 0:0:0:0:0:ffff:bfd7:3d9
191.215.3.218 0:0:0:0:0:ffff:bfd7:3da
191.215.3.219 0:0:0:0:0:ffff:bfd7:3db
191.215.3.220 0:0:0:0:0:ffff:bfd7:3dc
191.215.3.221 0:0:0:0:0:ffff:bfd7:3dd
191.215.3.222 0:0:0:0:0:ffff:bfd7:3de
191.215.3.223 0:0:0:0:0:ffff:bfd7:3df
191.215.3.224 0:0:0:0:0:ffff:bfd7:3e0
191.215.3.225 0:0:0:0:0:ffff:bfd7:3e1
191.215.3.226 0:0:0:0:0:ffff:bfd7:3e2
191.215.3.227 0:0:0:0:0:ffff:bfd7:3e3
191.215.3.228 0:0:0:0:0:ffff:bfd7:3e4
191.215.3.229 0:0:0:0:0:ffff:bfd7:3e5
191.215.3.230 0:0:0:0:0:ffff:bfd7:3e6
191.215.3.231 0:0:0:0:0:ffff:bfd7:3e7
191.215.3.232 0:0:0:0:0:ffff:bfd7:3e8
191.215.3.233 0:0:0:0:0:ffff:bfd7:3e9
191.215.3.234 0:0:0:0:0:ffff:bfd7:3ea
191.215.3.235 0:0:0:0:0:ffff:bfd7:3eb
191.215.3.236 0:0:0:0:0:ffff:bfd7:3ec
191.215.3.237 0:0:0:0:0:ffff:bfd7:3ed
191.215.3.238 0:0:0:0:0:ffff:bfd7:3ee
191.215.3.239 0:0:0:0:0:ffff:bfd7:3ef
191.215.3.240 0:0:0:0:0:ffff:bfd7:3f0
191.215.3.241 0:0:0:0:0:ffff:bfd7:3f1
191.215.3.242 0:0:0:0:0:ffff:bfd7:3f2
191.215.3.243 0:0:0:0:0:ffff:bfd7:3f3
191.215.3.244 0:0:0:0:0:ffff:bfd7:3f4
191.215.3.245 0:0:0:0:0:ffff:bfd7:3f5
191.215.3.246 0:0:0:0:0:ffff:bfd7:3f6
191.215.3.247 0:0:0:0:0:ffff:bfd7:3f7
191.215.3.248 0:0:0:0:0:ffff:bfd7:3f8
191.215.3.249 0:0:0:0:0:ffff:bfd7:3f9
191.215.3.250 0:0:0:0:0:ffff:bfd7:3fa
191.215.3.251 0:0:0:0:0:ffff:bfd7:3fb
191.215.3.252 0:0:0:0:0:ffff:bfd7:3fc
191.215.3.253 0:0:0:0:0:ffff:bfd7:3fd
191.215.3.254 0:0:0:0:0:ffff:bfd7:3fe
191.215.3.255 0:0:0:0:0:ffff:bfd7:3ff


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.