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
81.219.196.1 0:0:0:0:0:ffff:51db:c401
81.219.196.2 0:0:0:0:0:ffff:51db:c402
81.219.196.3 0:0:0:0:0:ffff:51db:c403
81.219.196.4 0:0:0:0:0:ffff:51db:c404
81.219.196.5 0:0:0:0:0:ffff:51db:c405
81.219.196.6 0:0:0:0:0:ffff:51db:c406
81.219.196.7 0:0:0:0:0:ffff:51db:c407
81.219.196.8 0:0:0:0:0:ffff:51db:c408
81.219.196.9 0:0:0:0:0:ffff:51db:c409
81.219.196.10 0:0:0:0:0:ffff:51db:c40a
81.219.196.11 0:0:0:0:0:ffff:51db:c40b
81.219.196.12 0:0:0:0:0:ffff:51db:c40c
81.219.196.13 0:0:0:0:0:ffff:51db:c40d
81.219.196.14 0:0:0:0:0:ffff:51db:c40e
81.219.196.15 0:0:0:0:0:ffff:51db:c40f
81.219.196.16 0:0:0:0:0:ffff:51db:c410
81.219.196.17 0:0:0:0:0:ffff:51db:c411
81.219.196.18 0:0:0:0:0:ffff:51db:c412
81.219.196.19 0:0:0:0:0:ffff:51db:c413
81.219.196.20 0:0:0:0:0:ffff:51db:c414
81.219.196.21 0:0:0:0:0:ffff:51db:c415
81.219.196.22 0:0:0:0:0:ffff:51db:c416
81.219.196.23 0:0:0:0:0:ffff:51db:c417
81.219.196.24 0:0:0:0:0:ffff:51db:c418
81.219.196.25 0:0:0:0:0:ffff:51db:c419
81.219.196.26 0:0:0:0:0:ffff:51db:c41a
81.219.196.27 0:0:0:0:0:ffff:51db:c41b
81.219.196.28 0:0:0:0:0:ffff:51db:c41c
81.219.196.29 0:0:0:0:0:ffff:51db:c41d
81.219.196.30 0:0:0:0:0:ffff:51db:c41e
81.219.196.31 0:0:0:0:0:ffff:51db:c41f
81.219.196.32 0:0:0:0:0:ffff:51db:c420
81.219.196.33 0:0:0:0:0:ffff:51db:c421
81.219.196.34 0:0:0:0:0:ffff:51db:c422
81.219.196.35 0:0:0:0:0:ffff:51db:c423
81.219.196.36 0:0:0:0:0:ffff:51db:c424
81.219.196.37 0:0:0:0:0:ffff:51db:c425
81.219.196.38 0:0:0:0:0:ffff:51db:c426
81.219.196.39 0:0:0:0:0:ffff:51db:c427
81.219.196.40 0:0:0:0:0:ffff:51db:c428
81.219.196.41 0:0:0:0:0:ffff:51db:c429
81.219.196.42 0:0:0:0:0:ffff:51db:c42a
81.219.196.43 0:0:0:0:0:ffff:51db:c42b
81.219.196.44 0:0:0:0:0:ffff:51db:c42c
81.219.196.45 0:0:0:0:0:ffff:51db:c42d
81.219.196.46 0:0:0:0:0:ffff:51db:c42e
81.219.196.47 0:0:0:0:0:ffff:51db:c42f
81.219.196.48 0:0:0:0:0:ffff:51db:c430
81.219.196.49 0:0:0:0:0:ffff:51db:c431
81.219.196.50 0:0:0:0:0:ffff:51db:c432
81.219.196.51 0:0:0:0:0:ffff:51db:c433
81.219.196.52 0:0:0:0:0:ffff:51db:c434
81.219.196.53 0:0:0:0:0:ffff:51db:c435
81.219.196.54 0:0:0:0:0:ffff:51db:c436
81.219.196.55 0:0:0:0:0:ffff:51db:c437
81.219.196.56 0:0:0:0:0:ffff:51db:c438
81.219.196.57 0:0:0:0:0:ffff:51db:c439
81.219.196.58 0:0:0:0:0:ffff:51db:c43a
81.219.196.59 0:0:0:0:0:ffff:51db:c43b
81.219.196.60 0:0:0:0:0:ffff:51db:c43c


81.219.196.61 0:0:0:0:0:ffff:51db:c43d
81.219.196.62 0:0:0:0:0:ffff:51db:c43e
81.219.196.63 0:0:0:0:0:ffff:51db:c43f
81.219.196.64 0:0:0:0:0:ffff:51db:c440
81.219.196.65 0:0:0:0:0:ffff:51db:c441
81.219.196.66 0:0:0:0:0:ffff:51db:c442
81.219.196.67 0:0:0:0:0:ffff:51db:c443
81.219.196.68 0:0:0:0:0:ffff:51db:c444
81.219.196.69 0:0:0:0:0:ffff:51db:c445
81.219.196.70 0:0:0:0:0:ffff:51db:c446
81.219.196.71 0:0:0:0:0:ffff:51db:c447
81.219.196.72 0:0:0:0:0:ffff:51db:c448
81.219.196.73 0:0:0:0:0:ffff:51db:c449
81.219.196.74 0:0:0:0:0:ffff:51db:c44a
81.219.196.75 0:0:0:0:0:ffff:51db:c44b
81.219.196.76 0:0:0:0:0:ffff:51db:c44c
81.219.196.77 0:0:0:0:0:ffff:51db:c44d
81.219.196.78 0:0:0:0:0:ffff:51db:c44e
81.219.196.79 0:0:0:0:0:ffff:51db:c44f
81.219.196.80 0:0:0:0:0:ffff:51db:c450
81.219.196.81 0:0:0:0:0:ffff:51db:c451
81.219.196.82 0:0:0:0:0:ffff:51db:c452
81.219.196.83 0:0:0:0:0:ffff:51db:c453
81.219.196.84 0:0:0:0:0:ffff:51db:c454
81.219.196.85 0:0:0:0:0:ffff:51db:c455
81.219.196.86 0:0:0:0:0:ffff:51db:c456
81.219.196.87 0:0:0:0:0:ffff:51db:c457
81.219.196.88 0:0:0:0:0:ffff:51db:c458
81.219.196.89 0:0:0:0:0:ffff:51db:c459
81.219.196.90 0:0:0:0:0:ffff:51db:c45a
81.219.196.91 0:0:0:0:0:ffff:51db:c45b
81.219.196.92 0:0:0:0:0:ffff:51db:c45c
81.219.196.93 0:0:0:0:0:ffff:51db:c45d
81.219.196.94 0:0:0:0:0:ffff:51db:c45e
81.219.196.95 0:0:0:0:0:ffff:51db:c45f
81.219.196.96 0:0:0:0:0:ffff:51db:c460
81.219.196.97 0:0:0:0:0:ffff:51db:c461
81.219.196.98 0:0:0:0:0:ffff:51db:c462
81.219.196.99 0:0:0:0:0:ffff:51db:c463
81.219.196.100 0:0:0:0:0:ffff:51db:c464
81.219.196.101 0:0:0:0:0:ffff:51db:c465
81.219.196.102 0:0:0:0:0:ffff:51db:c466
81.219.196.103 0:0:0:0:0:ffff:51db:c467
81.219.196.104 0:0:0:0:0:ffff:51db:c468
81.219.196.105 0:0:0:0:0:ffff:51db:c469
81.219.196.106 0:0:0:0:0:ffff:51db:c46a
81.219.196.107 0:0:0:0:0:ffff:51db:c46b
81.219.196.108 0:0:0:0:0:ffff:51db:c46c
81.219.196.109 0:0:0:0:0:ffff:51db:c46d
81.219.196.110 0:0:0:0:0:ffff:51db:c46e
81.219.196.111 0:0:0:0:0:ffff:51db:c46f
81.219.196.112 0:0:0:0:0:ffff:51db:c470
81.219.196.113 0:0:0:0:0:ffff:51db:c471
81.219.196.114 0:0:0:0:0:ffff:51db:c472
81.219.196.115 0:0:0:0:0:ffff:51db:c473
81.219.196.116 0:0:0:0:0:ffff:51db:c474
81.219.196.117 0:0:0:0:0:ffff:51db:c475
81.219.196.118 0:0:0:0:0:ffff:51db:c476
81.219.196.119 0:0:0:0:0:ffff:51db:c477
81.219.196.120 0:0:0:0:0:ffff:51db:c478


81.219.196.121 0:0:0:0:0:ffff:51db:c479
81.219.196.122 0:0:0:0:0:ffff:51db:c47a
81.219.196.123 0:0:0:0:0:ffff:51db:c47b
81.219.196.124 0:0:0:0:0:ffff:51db:c47c
81.219.196.125 0:0:0:0:0:ffff:51db:c47d
81.219.196.126 0:0:0:0:0:ffff:51db:c47e
81.219.196.127 0:0:0:0:0:ffff:51db:c47f
81.219.196.128 0:0:0:0:0:ffff:51db:c480
81.219.196.129 0:0:0:0:0:ffff:51db:c481
81.219.196.130 0:0:0:0:0:ffff:51db:c482
81.219.196.131 0:0:0:0:0:ffff:51db:c483
81.219.196.132 0:0:0:0:0:ffff:51db:c484
81.219.196.133 0:0:0:0:0:ffff:51db:c485
81.219.196.134 0:0:0:0:0:ffff:51db:c486
81.219.196.135 0:0:0:0:0:ffff:51db:c487
81.219.196.136 0:0:0:0:0:ffff:51db:c488
81.219.196.137 0:0:0:0:0:ffff:51db:c489
81.219.196.138 0:0:0:0:0:ffff:51db:c48a
81.219.196.139 0:0:0:0:0:ffff:51db:c48b
81.219.196.140 0:0:0:0:0:ffff:51db:c48c
81.219.196.141 0:0:0:0:0:ffff:51db:c48d
81.219.196.142 0:0:0:0:0:ffff:51db:c48e
81.219.196.143 0:0:0:0:0:ffff:51db:c48f
81.219.196.144 0:0:0:0:0:ffff:51db:c490
81.219.196.145 0:0:0:0:0:ffff:51db:c491
81.219.196.146 0:0:0:0:0:ffff:51db:c492
81.219.196.147 0:0:0:0:0:ffff:51db:c493
81.219.196.148 0:0:0:0:0:ffff:51db:c494
81.219.196.149 0:0:0:0:0:ffff:51db:c495
81.219.196.150 0:0:0:0:0:ffff:51db:c496
81.219.196.151 0:0:0:0:0:ffff:51db:c497
81.219.196.152 0:0:0:0:0:ffff:51db:c498
81.219.196.153 0:0:0:0:0:ffff:51db:c499
81.219.196.154 0:0:0:0:0:ffff:51db:c49a
81.219.196.155 0:0:0:0:0:ffff:51db:c49b
81.219.196.156 0:0:0:0:0:ffff:51db:c49c
81.219.196.157 0:0:0:0:0:ffff:51db:c49d
81.219.196.158 0:0:0:0:0:ffff:51db:c49e
81.219.196.159 0:0:0:0:0:ffff:51db:c49f
81.219.196.160 0:0:0:0:0:ffff:51db:c4a0
81.219.196.161 0:0:0:0:0:ffff:51db:c4a1
81.219.196.162 0:0:0:0:0:ffff:51db:c4a2
81.219.196.163 0:0:0:0:0:ffff:51db:c4a3
81.219.196.164 0:0:0:0:0:ffff:51db:c4a4
81.219.196.165 0:0:0:0:0:ffff:51db:c4a5
81.219.196.166 0:0:0:0:0:ffff:51db:c4a6
81.219.196.167 0:0:0:0:0:ffff:51db:c4a7
81.219.196.168 0:0:0:0:0:ffff:51db:c4a8
81.219.196.169 0:0:0:0:0:ffff:51db:c4a9
81.219.196.170 0:0:0:0:0:ffff:51db:c4aa
81.219.196.171 0:0:0:0:0:ffff:51db:c4ab
81.219.196.172 0:0:0:0:0:ffff:51db:c4ac
81.219.196.173 0:0:0:0:0:ffff:51db:c4ad
81.219.196.174 0:0:0:0:0:ffff:51db:c4ae
81.219.196.175 0:0:0:0:0:ffff:51db:c4af
81.219.196.176 0:0:0:0:0:ffff:51db:c4b0
81.219.196.177 0:0:0:0:0:ffff:51db:c4b1
81.219.196.178 0:0:0:0:0:ffff:51db:c4b2
81.219.196.179 0:0:0:0:0:ffff:51db:c4b3
81.219.196.180 0:0:0:0:0:ffff:51db:c4b4


81.219.196.181 0:0:0:0:0:ffff:51db:c4b5
81.219.196.182 0:0:0:0:0:ffff:51db:c4b6
81.219.196.183 0:0:0:0:0:ffff:51db:c4b7
81.219.196.184 0:0:0:0:0:ffff:51db:c4b8
81.219.196.185 0:0:0:0:0:ffff:51db:c4b9
81.219.196.186 0:0:0:0:0:ffff:51db:c4ba
81.219.196.187 0:0:0:0:0:ffff:51db:c4bb
81.219.196.188 0:0:0:0:0:ffff:51db:c4bc
81.219.196.189 0:0:0:0:0:ffff:51db:c4bd
81.219.196.190 0:0:0:0:0:ffff:51db:c4be
81.219.196.191 0:0:0:0:0:ffff:51db:c4bf
81.219.196.192 0:0:0:0:0:ffff:51db:c4c0
81.219.196.193 0:0:0:0:0:ffff:51db:c4c1
81.219.196.194 0:0:0:0:0:ffff:51db:c4c2
81.219.196.195 0:0:0:0:0:ffff:51db:c4c3
81.219.196.196 0:0:0:0:0:ffff:51db:c4c4
81.219.196.197 0:0:0:0:0:ffff:51db:c4c5
81.219.196.198 0:0:0:0:0:ffff:51db:c4c6
81.219.196.199 0:0:0:0:0:ffff:51db:c4c7
81.219.196.200 0:0:0:0:0:ffff:51db:c4c8
81.219.196.201 0:0:0:0:0:ffff:51db:c4c9
81.219.196.202 0:0:0:0:0:ffff:51db:c4ca
81.219.196.203 0:0:0:0:0:ffff:51db:c4cb
81.219.196.204 0:0:0:0:0:ffff:51db:c4cc
81.219.196.205 0:0:0:0:0:ffff:51db:c4cd
81.219.196.206 0:0:0:0:0:ffff:51db:c4ce
81.219.196.207 0:0:0:0:0:ffff:51db:c4cf
81.219.196.208 0:0:0:0:0:ffff:51db:c4d0
81.219.196.209 0:0:0:0:0:ffff:51db:c4d1
81.219.196.210 0:0:0:0:0:ffff:51db:c4d2
81.219.196.211 0:0:0:0:0:ffff:51db:c4d3
81.219.196.212 0:0:0:0:0:ffff:51db:c4d4
81.219.196.213 0:0:0:0:0:ffff:51db:c4d5
81.219.196.214 0:0:0:0:0:ffff:51db:c4d6
81.219.196.215 0:0:0:0:0:ffff:51db:c4d7
81.219.196.216 0:0:0:0:0:ffff:51db:c4d8
81.219.196.217 0:0:0:0:0:ffff:51db:c4d9
81.219.196.218 0:0:0:0:0:ffff:51db:c4da
81.219.196.219 0:0:0:0:0:ffff:51db:c4db
81.219.196.220 0:0:0:0:0:ffff:51db:c4dc
81.219.196.221 0:0:0:0:0:ffff:51db:c4dd
81.219.196.222 0:0:0:0:0:ffff:51db:c4de
81.219.196.223 0:0:0:0:0:ffff:51db:c4df
81.219.196.224 0:0:0:0:0:ffff:51db:c4e0
81.219.196.225 0:0:0:0:0:ffff:51db:c4e1
81.219.196.226 0:0:0:0:0:ffff:51db:c4e2
81.219.196.227 0:0:0:0:0:ffff:51db:c4e3
81.219.196.228 0:0:0:0:0:ffff:51db:c4e4
81.219.196.229 0:0:0:0:0:ffff:51db:c4e5
81.219.196.230 0:0:0:0:0:ffff:51db:c4e6
81.219.196.231 0:0:0:0:0:ffff:51db:c4e7
81.219.196.232 0:0:0:0:0:ffff:51db:c4e8
81.219.196.233 0:0:0:0:0:ffff:51db:c4e9
81.219.196.234 0:0:0:0:0:ffff:51db:c4ea
81.219.196.235 0:0:0:0:0:ffff:51db:c4eb
81.219.196.236 0:0:0:0:0:ffff:51db:c4ec
81.219.196.237 0:0:0:0:0:ffff:51db:c4ed
81.219.196.238 0:0:0:0:0:ffff:51db:c4ee
81.219.196.239 0:0:0:0:0:ffff:51db:c4ef
81.219.196.240 0:0:0:0:0:ffff:51db:c4f0
81.219.196.241 0:0:0:0:0:ffff:51db:c4f1
81.219.196.242 0:0:0:0:0:ffff:51db:c4f2
81.219.196.243 0:0:0:0:0:ffff:51db:c4f3
81.219.196.244 0:0:0:0:0:ffff:51db:c4f4
81.219.196.245 0:0:0:0:0:ffff:51db:c4f5
81.219.196.246 0:0:0:0:0:ffff:51db:c4f6
81.219.196.247 0:0:0:0:0:ffff:51db:c4f7
81.219.196.248 0:0:0:0:0:ffff:51db:c4f8
81.219.196.249 0:0:0:0:0:ffff:51db:c4f9
81.219.196.250 0:0:0:0:0:ffff:51db:c4fa
81.219.196.251 0:0:0:0:0:ffff:51db:c4fb
81.219.196.252 0:0:0:0:0:ffff:51db:c4fc
81.219.196.253 0:0:0:0:0:ffff:51db:c4fd
81.219.196.254 0:0:0:0:0:ffff:51db:c4fe
81.219.196.255 0:0:0:0:0:ffff:51db: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.