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
212.243.72.1 0:0:0:0:0:ffff:d4f3:4801
212.243.72.2 0:0:0:0:0:ffff:d4f3:4802
212.243.72.3 0:0:0:0:0:ffff:d4f3:4803
212.243.72.4 0:0:0:0:0:ffff:d4f3:4804
212.243.72.5 0:0:0:0:0:ffff:d4f3:4805
212.243.72.6 0:0:0:0:0:ffff:d4f3:4806
212.243.72.7 0:0:0:0:0:ffff:d4f3:4807
212.243.72.8 0:0:0:0:0:ffff:d4f3:4808
212.243.72.9 0:0:0:0:0:ffff:d4f3:4809
212.243.72.10 0:0:0:0:0:ffff:d4f3:480a
212.243.72.11 0:0:0:0:0:ffff:d4f3:480b
212.243.72.12 0:0:0:0:0:ffff:d4f3:480c
212.243.72.13 0:0:0:0:0:ffff:d4f3:480d
212.243.72.14 0:0:0:0:0:ffff:d4f3:480e
212.243.72.15 0:0:0:0:0:ffff:d4f3:480f
212.243.72.16 0:0:0:0:0:ffff:d4f3:4810
212.243.72.17 0:0:0:0:0:ffff:d4f3:4811
212.243.72.18 0:0:0:0:0:ffff:d4f3:4812
212.243.72.19 0:0:0:0:0:ffff:d4f3:4813
212.243.72.20 0:0:0:0:0:ffff:d4f3:4814
212.243.72.21 0:0:0:0:0:ffff:d4f3:4815
212.243.72.22 0:0:0:0:0:ffff:d4f3:4816
212.243.72.23 0:0:0:0:0:ffff:d4f3:4817
212.243.72.24 0:0:0:0:0:ffff:d4f3:4818
212.243.72.25 0:0:0:0:0:ffff:d4f3:4819
212.243.72.26 0:0:0:0:0:ffff:d4f3:481a
212.243.72.27 0:0:0:0:0:ffff:d4f3:481b
212.243.72.28 0:0:0:0:0:ffff:d4f3:481c
212.243.72.29 0:0:0:0:0:ffff:d4f3:481d
212.243.72.30 0:0:0:0:0:ffff:d4f3:481e
212.243.72.31 0:0:0:0:0:ffff:d4f3:481f
212.243.72.32 0:0:0:0:0:ffff:d4f3:4820
212.243.72.33 0:0:0:0:0:ffff:d4f3:4821
212.243.72.34 0:0:0:0:0:ffff:d4f3:4822
212.243.72.35 0:0:0:0:0:ffff:d4f3:4823
212.243.72.36 0:0:0:0:0:ffff:d4f3:4824
212.243.72.37 0:0:0:0:0:ffff:d4f3:4825
212.243.72.38 0:0:0:0:0:ffff:d4f3:4826
212.243.72.39 0:0:0:0:0:ffff:d4f3:4827
212.243.72.40 0:0:0:0:0:ffff:d4f3:4828
212.243.72.41 0:0:0:0:0:ffff:d4f3:4829
212.243.72.42 0:0:0:0:0:ffff:d4f3:482a
212.243.72.43 0:0:0:0:0:ffff:d4f3:482b
212.243.72.44 0:0:0:0:0:ffff:d4f3:482c
212.243.72.45 0:0:0:0:0:ffff:d4f3:482d
212.243.72.46 0:0:0:0:0:ffff:d4f3:482e
212.243.72.47 0:0:0:0:0:ffff:d4f3:482f
212.243.72.48 0:0:0:0:0:ffff:d4f3:4830
212.243.72.49 0:0:0:0:0:ffff:d4f3:4831
212.243.72.50 0:0:0:0:0:ffff:d4f3:4832
212.243.72.51 0:0:0:0:0:ffff:d4f3:4833
212.243.72.52 0:0:0:0:0:ffff:d4f3:4834
212.243.72.53 0:0:0:0:0:ffff:d4f3:4835
212.243.72.54 0:0:0:0:0:ffff:d4f3:4836
212.243.72.55 0:0:0:0:0:ffff:d4f3:4837
212.243.72.56 0:0:0:0:0:ffff:d4f3:4838
212.243.72.57 0:0:0:0:0:ffff:d4f3:4839
212.243.72.58 0:0:0:0:0:ffff:d4f3:483a
212.243.72.59 0:0:0:0:0:ffff:d4f3:483b
212.243.72.60 0:0:0:0:0:ffff:d4f3:483c


212.243.72.61 0:0:0:0:0:ffff:d4f3:483d
212.243.72.62 0:0:0:0:0:ffff:d4f3:483e
212.243.72.63 0:0:0:0:0:ffff:d4f3:483f
212.243.72.64 0:0:0:0:0:ffff:d4f3:4840
212.243.72.65 0:0:0:0:0:ffff:d4f3:4841
212.243.72.66 0:0:0:0:0:ffff:d4f3:4842
212.243.72.67 0:0:0:0:0:ffff:d4f3:4843
212.243.72.68 0:0:0:0:0:ffff:d4f3:4844
212.243.72.69 0:0:0:0:0:ffff:d4f3:4845
212.243.72.70 0:0:0:0:0:ffff:d4f3:4846
212.243.72.71 0:0:0:0:0:ffff:d4f3:4847
212.243.72.72 0:0:0:0:0:ffff:d4f3:4848
212.243.72.73 0:0:0:0:0:ffff:d4f3:4849
212.243.72.74 0:0:0:0:0:ffff:d4f3:484a
212.243.72.75 0:0:0:0:0:ffff:d4f3:484b
212.243.72.76 0:0:0:0:0:ffff:d4f3:484c
212.243.72.77 0:0:0:0:0:ffff:d4f3:484d
212.243.72.78 0:0:0:0:0:ffff:d4f3:484e
212.243.72.79 0:0:0:0:0:ffff:d4f3:484f
212.243.72.80 0:0:0:0:0:ffff:d4f3:4850
212.243.72.81 0:0:0:0:0:ffff:d4f3:4851
212.243.72.82 0:0:0:0:0:ffff:d4f3:4852
212.243.72.83 0:0:0:0:0:ffff:d4f3:4853
212.243.72.84 0:0:0:0:0:ffff:d4f3:4854
212.243.72.85 0:0:0:0:0:ffff:d4f3:4855
212.243.72.86 0:0:0:0:0:ffff:d4f3:4856
212.243.72.87 0:0:0:0:0:ffff:d4f3:4857
212.243.72.88 0:0:0:0:0:ffff:d4f3:4858
212.243.72.89 0:0:0:0:0:ffff:d4f3:4859
212.243.72.90 0:0:0:0:0:ffff:d4f3:485a
212.243.72.91 0:0:0:0:0:ffff:d4f3:485b
212.243.72.92 0:0:0:0:0:ffff:d4f3:485c
212.243.72.93 0:0:0:0:0:ffff:d4f3:485d
212.243.72.94 0:0:0:0:0:ffff:d4f3:485e
212.243.72.95 0:0:0:0:0:ffff:d4f3:485f
212.243.72.96 0:0:0:0:0:ffff:d4f3:4860
212.243.72.97 0:0:0:0:0:ffff:d4f3:4861
212.243.72.98 0:0:0:0:0:ffff:d4f3:4862
212.243.72.99 0:0:0:0:0:ffff:d4f3:4863
212.243.72.100 0:0:0:0:0:ffff:d4f3:4864
212.243.72.101 0:0:0:0:0:ffff:d4f3:4865
212.243.72.102 0:0:0:0:0:ffff:d4f3:4866
212.243.72.103 0:0:0:0:0:ffff:d4f3:4867
212.243.72.104 0:0:0:0:0:ffff:d4f3:4868
212.243.72.105 0:0:0:0:0:ffff:d4f3:4869
212.243.72.106 0:0:0:0:0:ffff:d4f3:486a
212.243.72.107 0:0:0:0:0:ffff:d4f3:486b
212.243.72.108 0:0:0:0:0:ffff:d4f3:486c
212.243.72.109 0:0:0:0:0:ffff:d4f3:486d
212.243.72.110 0:0:0:0:0:ffff:d4f3:486e
212.243.72.111 0:0:0:0:0:ffff:d4f3:486f
212.243.72.112 0:0:0:0:0:ffff:d4f3:4870
212.243.72.113 0:0:0:0:0:ffff:d4f3:4871
212.243.72.114 0:0:0:0:0:ffff:d4f3:4872
212.243.72.115 0:0:0:0:0:ffff:d4f3:4873
212.243.72.116 0:0:0:0:0:ffff:d4f3:4874
212.243.72.117 0:0:0:0:0:ffff:d4f3:4875
212.243.72.118 0:0:0:0:0:ffff:d4f3:4876
212.243.72.119 0:0:0:0:0:ffff:d4f3:4877
212.243.72.120 0:0:0:0:0:ffff:d4f3:4878


212.243.72.121 0:0:0:0:0:ffff:d4f3:4879
212.243.72.122 0:0:0:0:0:ffff:d4f3:487a
212.243.72.123 0:0:0:0:0:ffff:d4f3:487b
212.243.72.124 0:0:0:0:0:ffff:d4f3:487c
212.243.72.125 0:0:0:0:0:ffff:d4f3:487d
212.243.72.126 0:0:0:0:0:ffff:d4f3:487e
212.243.72.127 0:0:0:0:0:ffff:d4f3:487f
212.243.72.128 0:0:0:0:0:ffff:d4f3:4880
212.243.72.129 0:0:0:0:0:ffff:d4f3:4881
212.243.72.130 0:0:0:0:0:ffff:d4f3:4882
212.243.72.131 0:0:0:0:0:ffff:d4f3:4883
212.243.72.132 0:0:0:0:0:ffff:d4f3:4884
212.243.72.133 0:0:0:0:0:ffff:d4f3:4885
212.243.72.134 0:0:0:0:0:ffff:d4f3:4886
212.243.72.135 0:0:0:0:0:ffff:d4f3:4887
212.243.72.136 0:0:0:0:0:ffff:d4f3:4888
212.243.72.137 0:0:0:0:0:ffff:d4f3:4889
212.243.72.138 0:0:0:0:0:ffff:d4f3:488a
212.243.72.139 0:0:0:0:0:ffff:d4f3:488b
212.243.72.140 0:0:0:0:0:ffff:d4f3:488c
212.243.72.141 0:0:0:0:0:ffff:d4f3:488d
212.243.72.142 0:0:0:0:0:ffff:d4f3:488e
212.243.72.143 0:0:0:0:0:ffff:d4f3:488f
212.243.72.144 0:0:0:0:0:ffff:d4f3:4890
212.243.72.145 0:0:0:0:0:ffff:d4f3:4891
212.243.72.146 0:0:0:0:0:ffff:d4f3:4892
212.243.72.147 0:0:0:0:0:ffff:d4f3:4893
212.243.72.148 0:0:0:0:0:ffff:d4f3:4894
212.243.72.149 0:0:0:0:0:ffff:d4f3:4895
212.243.72.150 0:0:0:0:0:ffff:d4f3:4896
212.243.72.151 0:0:0:0:0:ffff:d4f3:4897
212.243.72.152 0:0:0:0:0:ffff:d4f3:4898
212.243.72.153 0:0:0:0:0:ffff:d4f3:4899
212.243.72.154 0:0:0:0:0:ffff:d4f3:489a
212.243.72.155 0:0:0:0:0:ffff:d4f3:489b
212.243.72.156 0:0:0:0:0:ffff:d4f3:489c
212.243.72.157 0:0:0:0:0:ffff:d4f3:489d
212.243.72.158 0:0:0:0:0:ffff:d4f3:489e
212.243.72.159 0:0:0:0:0:ffff:d4f3:489f
212.243.72.160 0:0:0:0:0:ffff:d4f3:48a0
212.243.72.161 0:0:0:0:0:ffff:d4f3:48a1
212.243.72.162 0:0:0:0:0:ffff:d4f3:48a2
212.243.72.163 0:0:0:0:0:ffff:d4f3:48a3
212.243.72.164 0:0:0:0:0:ffff:d4f3:48a4
212.243.72.165 0:0:0:0:0:ffff:d4f3:48a5
212.243.72.166 0:0:0:0:0:ffff:d4f3:48a6
212.243.72.167 0:0:0:0:0:ffff:d4f3:48a7
212.243.72.168 0:0:0:0:0:ffff:d4f3:48a8
212.243.72.169 0:0:0:0:0:ffff:d4f3:48a9
212.243.72.170 0:0:0:0:0:ffff:d4f3:48aa
212.243.72.171 0:0:0:0:0:ffff:d4f3:48ab
212.243.72.172 0:0:0:0:0:ffff:d4f3:48ac
212.243.72.173 0:0:0:0:0:ffff:d4f3:48ad
212.243.72.174 0:0:0:0:0:ffff:d4f3:48ae
212.243.72.175 0:0:0:0:0:ffff:d4f3:48af
212.243.72.176 0:0:0:0:0:ffff:d4f3:48b0
212.243.72.177 0:0:0:0:0:ffff:d4f3:48b1
212.243.72.178 0:0:0:0:0:ffff:d4f3:48b2
212.243.72.179 0:0:0:0:0:ffff:d4f3:48b3
212.243.72.180 0:0:0:0:0:ffff:d4f3:48b4


212.243.72.181 0:0:0:0:0:ffff:d4f3:48b5
212.243.72.182 0:0:0:0:0:ffff:d4f3:48b6
212.243.72.183 0:0:0:0:0:ffff:d4f3:48b7
212.243.72.184 0:0:0:0:0:ffff:d4f3:48b8
212.243.72.185 0:0:0:0:0:ffff:d4f3:48b9
212.243.72.186 0:0:0:0:0:ffff:d4f3:48ba
212.243.72.187 0:0:0:0:0:ffff:d4f3:48bb
212.243.72.188 0:0:0:0:0:ffff:d4f3:48bc
212.243.72.189 0:0:0:0:0:ffff:d4f3:48bd
212.243.72.190 0:0:0:0:0:ffff:d4f3:48be
212.243.72.191 0:0:0:0:0:ffff:d4f3:48bf
212.243.72.192 0:0:0:0:0:ffff:d4f3:48c0
212.243.72.193 0:0:0:0:0:ffff:d4f3:48c1
212.243.72.194 0:0:0:0:0:ffff:d4f3:48c2
212.243.72.195 0:0:0:0:0:ffff:d4f3:48c3
212.243.72.196 0:0:0:0:0:ffff:d4f3:48c4
212.243.72.197 0:0:0:0:0:ffff:d4f3:48c5
212.243.72.198 0:0:0:0:0:ffff:d4f3:48c6
212.243.72.199 0:0:0:0:0:ffff:d4f3:48c7
212.243.72.200 0:0:0:0:0:ffff:d4f3:48c8
212.243.72.201 0:0:0:0:0:ffff:d4f3:48c9
212.243.72.202 0:0:0:0:0:ffff:d4f3:48ca
212.243.72.203 0:0:0:0:0:ffff:d4f3:48cb
212.243.72.204 0:0:0:0:0:ffff:d4f3:48cc
212.243.72.205 0:0:0:0:0:ffff:d4f3:48cd
212.243.72.206 0:0:0:0:0:ffff:d4f3:48ce
212.243.72.207 0:0:0:0:0:ffff:d4f3:48cf
212.243.72.208 0:0:0:0:0:ffff:d4f3:48d0
212.243.72.209 0:0:0:0:0:ffff:d4f3:48d1
212.243.72.210 0:0:0:0:0:ffff:d4f3:48d2
212.243.72.211 0:0:0:0:0:ffff:d4f3:48d3
212.243.72.212 0:0:0:0:0:ffff:d4f3:48d4
212.243.72.213 0:0:0:0:0:ffff:d4f3:48d5
212.243.72.214 0:0:0:0:0:ffff:d4f3:48d6
212.243.72.215 0:0:0:0:0:ffff:d4f3:48d7
212.243.72.216 0:0:0:0:0:ffff:d4f3:48d8
212.243.72.217 0:0:0:0:0:ffff:d4f3:48d9
212.243.72.218 0:0:0:0:0:ffff:d4f3:48da
212.243.72.219 0:0:0:0:0:ffff:d4f3:48db
212.243.72.220 0:0:0:0:0:ffff:d4f3:48dc
212.243.72.221 0:0:0:0:0:ffff:d4f3:48dd
212.243.72.222 0:0:0:0:0:ffff:d4f3:48de
212.243.72.223 0:0:0:0:0:ffff:d4f3:48df
212.243.72.224 0:0:0:0:0:ffff:d4f3:48e0
212.243.72.225 0:0:0:0:0:ffff:d4f3:48e1
212.243.72.226 0:0:0:0:0:ffff:d4f3:48e2
212.243.72.227 0:0:0:0:0:ffff:d4f3:48e3
212.243.72.228 0:0:0:0:0:ffff:d4f3:48e4
212.243.72.229 0:0:0:0:0:ffff:d4f3:48e5
212.243.72.230 0:0:0:0:0:ffff:d4f3:48e6
212.243.72.231 0:0:0:0:0:ffff:d4f3:48e7
212.243.72.232 0:0:0:0:0:ffff:d4f3:48e8
212.243.72.233 0:0:0:0:0:ffff:d4f3:48e9
212.243.72.234 0:0:0:0:0:ffff:d4f3:48ea
212.243.72.235 0:0:0:0:0:ffff:d4f3:48eb
212.243.72.236 0:0:0:0:0:ffff:d4f3:48ec
212.243.72.237 0:0:0:0:0:ffff:d4f3:48ed
212.243.72.238 0:0:0:0:0:ffff:d4f3:48ee
212.243.72.239 0:0:0:0:0:ffff:d4f3:48ef
212.243.72.240 0:0:0:0:0:ffff:d4f3:48f0
212.243.72.241 0:0:0:0:0:ffff:d4f3:48f1
212.243.72.242 0:0:0:0:0:ffff:d4f3:48f2
212.243.72.243 0:0:0:0:0:ffff:d4f3:48f3
212.243.72.244 0:0:0:0:0:ffff:d4f3:48f4
212.243.72.245 0:0:0:0:0:ffff:d4f3:48f5
212.243.72.246 0:0:0:0:0:ffff:d4f3:48f6
212.243.72.247 0:0:0:0:0:ffff:d4f3:48f7
212.243.72.248 0:0:0:0:0:ffff:d4f3:48f8
212.243.72.249 0:0:0:0:0:ffff:d4f3:48f9
212.243.72.250 0:0:0:0:0:ffff:d4f3:48fa
212.243.72.251 0:0:0:0:0:ffff:d4f3:48fb
212.243.72.252 0:0:0:0:0:ffff:d4f3:48fc
212.243.72.253 0:0:0:0:0:ffff:d4f3:48fd
212.243.72.254 0:0:0:0:0:ffff:d4f3:48fe
212.243.72.255 0:0:0:0:0:ffff:d4f3:48ff


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.