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
28.66.196.1 0:0:0:0:0:ffff:1c42:c401
28.66.196.2 0:0:0:0:0:ffff:1c42:c402
28.66.196.3 0:0:0:0:0:ffff:1c42:c403
28.66.196.4 0:0:0:0:0:ffff:1c42:c404
28.66.196.5 0:0:0:0:0:ffff:1c42:c405
28.66.196.6 0:0:0:0:0:ffff:1c42:c406
28.66.196.7 0:0:0:0:0:ffff:1c42:c407
28.66.196.8 0:0:0:0:0:ffff:1c42:c408
28.66.196.9 0:0:0:0:0:ffff:1c42:c409
28.66.196.10 0:0:0:0:0:ffff:1c42:c40a
28.66.196.11 0:0:0:0:0:ffff:1c42:c40b
28.66.196.12 0:0:0:0:0:ffff:1c42:c40c
28.66.196.13 0:0:0:0:0:ffff:1c42:c40d
28.66.196.14 0:0:0:0:0:ffff:1c42:c40e
28.66.196.15 0:0:0:0:0:ffff:1c42:c40f
28.66.196.16 0:0:0:0:0:ffff:1c42:c410
28.66.196.17 0:0:0:0:0:ffff:1c42:c411
28.66.196.18 0:0:0:0:0:ffff:1c42:c412
28.66.196.19 0:0:0:0:0:ffff:1c42:c413
28.66.196.20 0:0:0:0:0:ffff:1c42:c414
28.66.196.21 0:0:0:0:0:ffff:1c42:c415
28.66.196.22 0:0:0:0:0:ffff:1c42:c416
28.66.196.23 0:0:0:0:0:ffff:1c42:c417
28.66.196.24 0:0:0:0:0:ffff:1c42:c418
28.66.196.25 0:0:0:0:0:ffff:1c42:c419
28.66.196.26 0:0:0:0:0:ffff:1c42:c41a
28.66.196.27 0:0:0:0:0:ffff:1c42:c41b
28.66.196.28 0:0:0:0:0:ffff:1c42:c41c
28.66.196.29 0:0:0:0:0:ffff:1c42:c41d
28.66.196.30 0:0:0:0:0:ffff:1c42:c41e
28.66.196.31 0:0:0:0:0:ffff:1c42:c41f
28.66.196.32 0:0:0:0:0:ffff:1c42:c420
28.66.196.33 0:0:0:0:0:ffff:1c42:c421
28.66.196.34 0:0:0:0:0:ffff:1c42:c422
28.66.196.35 0:0:0:0:0:ffff:1c42:c423
28.66.196.36 0:0:0:0:0:ffff:1c42:c424
28.66.196.37 0:0:0:0:0:ffff:1c42:c425
28.66.196.38 0:0:0:0:0:ffff:1c42:c426
28.66.196.39 0:0:0:0:0:ffff:1c42:c427
28.66.196.40 0:0:0:0:0:ffff:1c42:c428
28.66.196.41 0:0:0:0:0:ffff:1c42:c429
28.66.196.42 0:0:0:0:0:ffff:1c42:c42a
28.66.196.43 0:0:0:0:0:ffff:1c42:c42b
28.66.196.44 0:0:0:0:0:ffff:1c42:c42c
28.66.196.45 0:0:0:0:0:ffff:1c42:c42d
28.66.196.46 0:0:0:0:0:ffff:1c42:c42e
28.66.196.47 0:0:0:0:0:ffff:1c42:c42f
28.66.196.48 0:0:0:0:0:ffff:1c42:c430
28.66.196.49 0:0:0:0:0:ffff:1c42:c431
28.66.196.50 0:0:0:0:0:ffff:1c42:c432
28.66.196.51 0:0:0:0:0:ffff:1c42:c433
28.66.196.52 0:0:0:0:0:ffff:1c42:c434
28.66.196.53 0:0:0:0:0:ffff:1c42:c435
28.66.196.54 0:0:0:0:0:ffff:1c42:c436
28.66.196.55 0:0:0:0:0:ffff:1c42:c437
28.66.196.56 0:0:0:0:0:ffff:1c42:c438
28.66.196.57 0:0:0:0:0:ffff:1c42:c439
28.66.196.58 0:0:0:0:0:ffff:1c42:c43a
28.66.196.59 0:0:0:0:0:ffff:1c42:c43b
28.66.196.60 0:0:0:0:0:ffff:1c42:c43c


28.66.196.61 0:0:0:0:0:ffff:1c42:c43d
28.66.196.62 0:0:0:0:0:ffff:1c42:c43e
28.66.196.63 0:0:0:0:0:ffff:1c42:c43f
28.66.196.64 0:0:0:0:0:ffff:1c42:c440
28.66.196.65 0:0:0:0:0:ffff:1c42:c441
28.66.196.66 0:0:0:0:0:ffff:1c42:c442
28.66.196.67 0:0:0:0:0:ffff:1c42:c443
28.66.196.68 0:0:0:0:0:ffff:1c42:c444
28.66.196.69 0:0:0:0:0:ffff:1c42:c445
28.66.196.70 0:0:0:0:0:ffff:1c42:c446
28.66.196.71 0:0:0:0:0:ffff:1c42:c447
28.66.196.72 0:0:0:0:0:ffff:1c42:c448
28.66.196.73 0:0:0:0:0:ffff:1c42:c449
28.66.196.74 0:0:0:0:0:ffff:1c42:c44a
28.66.196.75 0:0:0:0:0:ffff:1c42:c44b
28.66.196.76 0:0:0:0:0:ffff:1c42:c44c
28.66.196.77 0:0:0:0:0:ffff:1c42:c44d
28.66.196.78 0:0:0:0:0:ffff:1c42:c44e
28.66.196.79 0:0:0:0:0:ffff:1c42:c44f
28.66.196.80 0:0:0:0:0:ffff:1c42:c450
28.66.196.81 0:0:0:0:0:ffff:1c42:c451
28.66.196.82 0:0:0:0:0:ffff:1c42:c452
28.66.196.83 0:0:0:0:0:ffff:1c42:c453
28.66.196.84 0:0:0:0:0:ffff:1c42:c454
28.66.196.85 0:0:0:0:0:ffff:1c42:c455
28.66.196.86 0:0:0:0:0:ffff:1c42:c456
28.66.196.87 0:0:0:0:0:ffff:1c42:c457
28.66.196.88 0:0:0:0:0:ffff:1c42:c458
28.66.196.89 0:0:0:0:0:ffff:1c42:c459
28.66.196.90 0:0:0:0:0:ffff:1c42:c45a
28.66.196.91 0:0:0:0:0:ffff:1c42:c45b
28.66.196.92 0:0:0:0:0:ffff:1c42:c45c
28.66.196.93 0:0:0:0:0:ffff:1c42:c45d
28.66.196.94 0:0:0:0:0:ffff:1c42:c45e
28.66.196.95 0:0:0:0:0:ffff:1c42:c45f
28.66.196.96 0:0:0:0:0:ffff:1c42:c460
28.66.196.97 0:0:0:0:0:ffff:1c42:c461
28.66.196.98 0:0:0:0:0:ffff:1c42:c462
28.66.196.99 0:0:0:0:0:ffff:1c42:c463
28.66.196.100 0:0:0:0:0:ffff:1c42:c464
28.66.196.101 0:0:0:0:0:ffff:1c42:c465
28.66.196.102 0:0:0:0:0:ffff:1c42:c466
28.66.196.103 0:0:0:0:0:ffff:1c42:c467
28.66.196.104 0:0:0:0:0:ffff:1c42:c468
28.66.196.105 0:0:0:0:0:ffff:1c42:c469
28.66.196.106 0:0:0:0:0:ffff:1c42:c46a
28.66.196.107 0:0:0:0:0:ffff:1c42:c46b
28.66.196.108 0:0:0:0:0:ffff:1c42:c46c
28.66.196.109 0:0:0:0:0:ffff:1c42:c46d
28.66.196.110 0:0:0:0:0:ffff:1c42:c46e
28.66.196.111 0:0:0:0:0:ffff:1c42:c46f
28.66.196.112 0:0:0:0:0:ffff:1c42:c470
28.66.196.113 0:0:0:0:0:ffff:1c42:c471
28.66.196.114 0:0:0:0:0:ffff:1c42:c472
28.66.196.115 0:0:0:0:0:ffff:1c42:c473
28.66.196.116 0:0:0:0:0:ffff:1c42:c474
28.66.196.117 0:0:0:0:0:ffff:1c42:c475
28.66.196.118 0:0:0:0:0:ffff:1c42:c476
28.66.196.119 0:0:0:0:0:ffff:1c42:c477
28.66.196.120 0:0:0:0:0:ffff:1c42:c478


28.66.196.121 0:0:0:0:0:ffff:1c42:c479
28.66.196.122 0:0:0:0:0:ffff:1c42:c47a
28.66.196.123 0:0:0:0:0:ffff:1c42:c47b
28.66.196.124 0:0:0:0:0:ffff:1c42:c47c
28.66.196.125 0:0:0:0:0:ffff:1c42:c47d
28.66.196.126 0:0:0:0:0:ffff:1c42:c47e
28.66.196.127 0:0:0:0:0:ffff:1c42:c47f
28.66.196.128 0:0:0:0:0:ffff:1c42:c480
28.66.196.129 0:0:0:0:0:ffff:1c42:c481
28.66.196.130 0:0:0:0:0:ffff:1c42:c482
28.66.196.131 0:0:0:0:0:ffff:1c42:c483
28.66.196.132 0:0:0:0:0:ffff:1c42:c484
28.66.196.133 0:0:0:0:0:ffff:1c42:c485
28.66.196.134 0:0:0:0:0:ffff:1c42:c486
28.66.196.135 0:0:0:0:0:ffff:1c42:c487
28.66.196.136 0:0:0:0:0:ffff:1c42:c488
28.66.196.137 0:0:0:0:0:ffff:1c42:c489
28.66.196.138 0:0:0:0:0:ffff:1c42:c48a
28.66.196.139 0:0:0:0:0:ffff:1c42:c48b
28.66.196.140 0:0:0:0:0:ffff:1c42:c48c
28.66.196.141 0:0:0:0:0:ffff:1c42:c48d
28.66.196.142 0:0:0:0:0:ffff:1c42:c48e
28.66.196.143 0:0:0:0:0:ffff:1c42:c48f
28.66.196.144 0:0:0:0:0:ffff:1c42:c490
28.66.196.145 0:0:0:0:0:ffff:1c42:c491
28.66.196.146 0:0:0:0:0:ffff:1c42:c492
28.66.196.147 0:0:0:0:0:ffff:1c42:c493
28.66.196.148 0:0:0:0:0:ffff:1c42:c494
28.66.196.149 0:0:0:0:0:ffff:1c42:c495
28.66.196.150 0:0:0:0:0:ffff:1c42:c496
28.66.196.151 0:0:0:0:0:ffff:1c42:c497
28.66.196.152 0:0:0:0:0:ffff:1c42:c498
28.66.196.153 0:0:0:0:0:ffff:1c42:c499
28.66.196.154 0:0:0:0:0:ffff:1c42:c49a
28.66.196.155 0:0:0:0:0:ffff:1c42:c49b
28.66.196.156 0:0:0:0:0:ffff:1c42:c49c
28.66.196.157 0:0:0:0:0:ffff:1c42:c49d
28.66.196.158 0:0:0:0:0:ffff:1c42:c49e
28.66.196.159 0:0:0:0:0:ffff:1c42:c49f
28.66.196.160 0:0:0:0:0:ffff:1c42:c4a0
28.66.196.161 0:0:0:0:0:ffff:1c42:c4a1
28.66.196.162 0:0:0:0:0:ffff:1c42:c4a2
28.66.196.163 0:0:0:0:0:ffff:1c42:c4a3
28.66.196.164 0:0:0:0:0:ffff:1c42:c4a4
28.66.196.165 0:0:0:0:0:ffff:1c42:c4a5
28.66.196.166 0:0:0:0:0:ffff:1c42:c4a6
28.66.196.167 0:0:0:0:0:ffff:1c42:c4a7
28.66.196.168 0:0:0:0:0:ffff:1c42:c4a8
28.66.196.169 0:0:0:0:0:ffff:1c42:c4a9
28.66.196.170 0:0:0:0:0:ffff:1c42:c4aa
28.66.196.171 0:0:0:0:0:ffff:1c42:c4ab
28.66.196.172 0:0:0:0:0:ffff:1c42:c4ac
28.66.196.173 0:0:0:0:0:ffff:1c42:c4ad
28.66.196.174 0:0:0:0:0:ffff:1c42:c4ae
28.66.196.175 0:0:0:0:0:ffff:1c42:c4af
28.66.196.176 0:0:0:0:0:ffff:1c42:c4b0
28.66.196.177 0:0:0:0:0:ffff:1c42:c4b1
28.66.196.178 0:0:0:0:0:ffff:1c42:c4b2
28.66.196.179 0:0:0:0:0:ffff:1c42:c4b3
28.66.196.180 0:0:0:0:0:ffff:1c42:c4b4


28.66.196.181 0:0:0:0:0:ffff:1c42:c4b5
28.66.196.182 0:0:0:0:0:ffff:1c42:c4b6
28.66.196.183 0:0:0:0:0:ffff:1c42:c4b7
28.66.196.184 0:0:0:0:0:ffff:1c42:c4b8
28.66.196.185 0:0:0:0:0:ffff:1c42:c4b9
28.66.196.186 0:0:0:0:0:ffff:1c42:c4ba
28.66.196.187 0:0:0:0:0:ffff:1c42:c4bb
28.66.196.188 0:0:0:0:0:ffff:1c42:c4bc
28.66.196.189 0:0:0:0:0:ffff:1c42:c4bd
28.66.196.190 0:0:0:0:0:ffff:1c42:c4be
28.66.196.191 0:0:0:0:0:ffff:1c42:c4bf
28.66.196.192 0:0:0:0:0:ffff:1c42:c4c0
28.66.196.193 0:0:0:0:0:ffff:1c42:c4c1
28.66.196.194 0:0:0:0:0:ffff:1c42:c4c2
28.66.196.195 0:0:0:0:0:ffff:1c42:c4c3
28.66.196.196 0:0:0:0:0:ffff:1c42:c4c4
28.66.196.197 0:0:0:0:0:ffff:1c42:c4c5
28.66.196.198 0:0:0:0:0:ffff:1c42:c4c6
28.66.196.199 0:0:0:0:0:ffff:1c42:c4c7
28.66.196.200 0:0:0:0:0:ffff:1c42:c4c8
28.66.196.201 0:0:0:0:0:ffff:1c42:c4c9
28.66.196.202 0:0:0:0:0:ffff:1c42:c4ca
28.66.196.203 0:0:0:0:0:ffff:1c42:c4cb
28.66.196.204 0:0:0:0:0:ffff:1c42:c4cc
28.66.196.205 0:0:0:0:0:ffff:1c42:c4cd
28.66.196.206 0:0:0:0:0:ffff:1c42:c4ce
28.66.196.207 0:0:0:0:0:ffff:1c42:c4cf
28.66.196.208 0:0:0:0:0:ffff:1c42:c4d0
28.66.196.209 0:0:0:0:0:ffff:1c42:c4d1
28.66.196.210 0:0:0:0:0:ffff:1c42:c4d2
28.66.196.211 0:0:0:0:0:ffff:1c42:c4d3
28.66.196.212 0:0:0:0:0:ffff:1c42:c4d4
28.66.196.213 0:0:0:0:0:ffff:1c42:c4d5
28.66.196.214 0:0:0:0:0:ffff:1c42:c4d6
28.66.196.215 0:0:0:0:0:ffff:1c42:c4d7
28.66.196.216 0:0:0:0:0:ffff:1c42:c4d8
28.66.196.217 0:0:0:0:0:ffff:1c42:c4d9
28.66.196.218 0:0:0:0:0:ffff:1c42:c4da
28.66.196.219 0:0:0:0:0:ffff:1c42:c4db
28.66.196.220 0:0:0:0:0:ffff:1c42:c4dc
28.66.196.221 0:0:0:0:0:ffff:1c42:c4dd
28.66.196.222 0:0:0:0:0:ffff:1c42:c4de
28.66.196.223 0:0:0:0:0:ffff:1c42:c4df
28.66.196.224 0:0:0:0:0:ffff:1c42:c4e0
28.66.196.225 0:0:0:0:0:ffff:1c42:c4e1
28.66.196.226 0:0:0:0:0:ffff:1c42:c4e2
28.66.196.227 0:0:0:0:0:ffff:1c42:c4e3
28.66.196.228 0:0:0:0:0:ffff:1c42:c4e4
28.66.196.229 0:0:0:0:0:ffff:1c42:c4e5
28.66.196.230 0:0:0:0:0:ffff:1c42:c4e6
28.66.196.231 0:0:0:0:0:ffff:1c42:c4e7
28.66.196.232 0:0:0:0:0:ffff:1c42:c4e8
28.66.196.233 0:0:0:0:0:ffff:1c42:c4e9
28.66.196.234 0:0:0:0:0:ffff:1c42:c4ea
28.66.196.235 0:0:0:0:0:ffff:1c42:c4eb
28.66.196.236 0:0:0:0:0:ffff:1c42:c4ec
28.66.196.237 0:0:0:0:0:ffff:1c42:c4ed
28.66.196.238 0:0:0:0:0:ffff:1c42:c4ee
28.66.196.239 0:0:0:0:0:ffff:1c42:c4ef
28.66.196.240 0:0:0:0:0:ffff:1c42:c4f0
28.66.196.241 0:0:0:0:0:ffff:1c42:c4f1
28.66.196.242 0:0:0:0:0:ffff:1c42:c4f2
28.66.196.243 0:0:0:0:0:ffff:1c42:c4f3
28.66.196.244 0:0:0:0:0:ffff:1c42:c4f4
28.66.196.245 0:0:0:0:0:ffff:1c42:c4f5
28.66.196.246 0:0:0:0:0:ffff:1c42:c4f6
28.66.196.247 0:0:0:0:0:ffff:1c42:c4f7
28.66.196.248 0:0:0:0:0:ffff:1c42:c4f8
28.66.196.249 0:0:0:0:0:ffff:1c42:c4f9
28.66.196.250 0:0:0:0:0:ffff:1c42:c4fa
28.66.196.251 0:0:0:0:0:ffff:1c42:c4fb
28.66.196.252 0:0:0:0:0:ffff:1c42:c4fc
28.66.196.253 0:0:0:0:0:ffff:1c42:c4fd
28.66.196.254 0:0:0:0:0:ffff:1c42:c4fe
28.66.196.255 0:0:0:0:0:ffff:1c42:c4ff


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.