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
111.243.72.1 0:0:0:0:0:ffff:6ff3:4801
111.243.72.2 0:0:0:0:0:ffff:6ff3:4802
111.243.72.3 0:0:0:0:0:ffff:6ff3:4803
111.243.72.4 0:0:0:0:0:ffff:6ff3:4804
111.243.72.5 0:0:0:0:0:ffff:6ff3:4805
111.243.72.6 0:0:0:0:0:ffff:6ff3:4806
111.243.72.7 0:0:0:0:0:ffff:6ff3:4807
111.243.72.8 0:0:0:0:0:ffff:6ff3:4808
111.243.72.9 0:0:0:0:0:ffff:6ff3:4809
111.243.72.10 0:0:0:0:0:ffff:6ff3:480a
111.243.72.11 0:0:0:0:0:ffff:6ff3:480b
111.243.72.12 0:0:0:0:0:ffff:6ff3:480c
111.243.72.13 0:0:0:0:0:ffff:6ff3:480d
111.243.72.14 0:0:0:0:0:ffff:6ff3:480e
111.243.72.15 0:0:0:0:0:ffff:6ff3:480f
111.243.72.16 0:0:0:0:0:ffff:6ff3:4810
111.243.72.17 0:0:0:0:0:ffff:6ff3:4811
111.243.72.18 0:0:0:0:0:ffff:6ff3:4812
111.243.72.19 0:0:0:0:0:ffff:6ff3:4813
111.243.72.20 0:0:0:0:0:ffff:6ff3:4814
111.243.72.21 0:0:0:0:0:ffff:6ff3:4815
111.243.72.22 0:0:0:0:0:ffff:6ff3:4816
111.243.72.23 0:0:0:0:0:ffff:6ff3:4817
111.243.72.24 0:0:0:0:0:ffff:6ff3:4818
111.243.72.25 0:0:0:0:0:ffff:6ff3:4819
111.243.72.26 0:0:0:0:0:ffff:6ff3:481a
111.243.72.27 0:0:0:0:0:ffff:6ff3:481b
111.243.72.28 0:0:0:0:0:ffff:6ff3:481c
111.243.72.29 0:0:0:0:0:ffff:6ff3:481d
111.243.72.30 0:0:0:0:0:ffff:6ff3:481e
111.243.72.31 0:0:0:0:0:ffff:6ff3:481f
111.243.72.32 0:0:0:0:0:ffff:6ff3:4820
111.243.72.33 0:0:0:0:0:ffff:6ff3:4821
111.243.72.34 0:0:0:0:0:ffff:6ff3:4822
111.243.72.35 0:0:0:0:0:ffff:6ff3:4823
111.243.72.36 0:0:0:0:0:ffff:6ff3:4824
111.243.72.37 0:0:0:0:0:ffff:6ff3:4825
111.243.72.38 0:0:0:0:0:ffff:6ff3:4826
111.243.72.39 0:0:0:0:0:ffff:6ff3:4827
111.243.72.40 0:0:0:0:0:ffff:6ff3:4828
111.243.72.41 0:0:0:0:0:ffff:6ff3:4829
111.243.72.42 0:0:0:0:0:ffff:6ff3:482a
111.243.72.43 0:0:0:0:0:ffff:6ff3:482b
111.243.72.44 0:0:0:0:0:ffff:6ff3:482c
111.243.72.45 0:0:0:0:0:ffff:6ff3:482d
111.243.72.46 0:0:0:0:0:ffff:6ff3:482e
111.243.72.47 0:0:0:0:0:ffff:6ff3:482f
111.243.72.48 0:0:0:0:0:ffff:6ff3:4830
111.243.72.49 0:0:0:0:0:ffff:6ff3:4831
111.243.72.50 0:0:0:0:0:ffff:6ff3:4832
111.243.72.51 0:0:0:0:0:ffff:6ff3:4833
111.243.72.52 0:0:0:0:0:ffff:6ff3:4834
111.243.72.53 0:0:0:0:0:ffff:6ff3:4835
111.243.72.54 0:0:0:0:0:ffff:6ff3:4836
111.243.72.55 0:0:0:0:0:ffff:6ff3:4837
111.243.72.56 0:0:0:0:0:ffff:6ff3:4838
111.243.72.57 0:0:0:0:0:ffff:6ff3:4839
111.243.72.58 0:0:0:0:0:ffff:6ff3:483a
111.243.72.59 0:0:0:0:0:ffff:6ff3:483b
111.243.72.60 0:0:0:0:0:ffff:6ff3:483c


111.243.72.61 0:0:0:0:0:ffff:6ff3:483d
111.243.72.62 0:0:0:0:0:ffff:6ff3:483e
111.243.72.63 0:0:0:0:0:ffff:6ff3:483f
111.243.72.64 0:0:0:0:0:ffff:6ff3:4840
111.243.72.65 0:0:0:0:0:ffff:6ff3:4841
111.243.72.66 0:0:0:0:0:ffff:6ff3:4842
111.243.72.67 0:0:0:0:0:ffff:6ff3:4843
111.243.72.68 0:0:0:0:0:ffff:6ff3:4844
111.243.72.69 0:0:0:0:0:ffff:6ff3:4845
111.243.72.70 0:0:0:0:0:ffff:6ff3:4846
111.243.72.71 0:0:0:0:0:ffff:6ff3:4847
111.243.72.72 0:0:0:0:0:ffff:6ff3:4848
111.243.72.73 0:0:0:0:0:ffff:6ff3:4849
111.243.72.74 0:0:0:0:0:ffff:6ff3:484a
111.243.72.75 0:0:0:0:0:ffff:6ff3:484b
111.243.72.76 0:0:0:0:0:ffff:6ff3:484c
111.243.72.77 0:0:0:0:0:ffff:6ff3:484d
111.243.72.78 0:0:0:0:0:ffff:6ff3:484e
111.243.72.79 0:0:0:0:0:ffff:6ff3:484f
111.243.72.80 0:0:0:0:0:ffff:6ff3:4850
111.243.72.81 0:0:0:0:0:ffff:6ff3:4851
111.243.72.82 0:0:0:0:0:ffff:6ff3:4852
111.243.72.83 0:0:0:0:0:ffff:6ff3:4853
111.243.72.84 0:0:0:0:0:ffff:6ff3:4854
111.243.72.85 0:0:0:0:0:ffff:6ff3:4855
111.243.72.86 0:0:0:0:0:ffff:6ff3:4856
111.243.72.87 0:0:0:0:0:ffff:6ff3:4857
111.243.72.88 0:0:0:0:0:ffff:6ff3:4858
111.243.72.89 0:0:0:0:0:ffff:6ff3:4859
111.243.72.90 0:0:0:0:0:ffff:6ff3:485a
111.243.72.91 0:0:0:0:0:ffff:6ff3:485b
111.243.72.92 0:0:0:0:0:ffff:6ff3:485c
111.243.72.93 0:0:0:0:0:ffff:6ff3:485d
111.243.72.94 0:0:0:0:0:ffff:6ff3:485e
111.243.72.95 0:0:0:0:0:ffff:6ff3:485f
111.243.72.96 0:0:0:0:0:ffff:6ff3:4860
111.243.72.97 0:0:0:0:0:ffff:6ff3:4861
111.243.72.98 0:0:0:0:0:ffff:6ff3:4862
111.243.72.99 0:0:0:0:0:ffff:6ff3:4863
111.243.72.100 0:0:0:0:0:ffff:6ff3:4864
111.243.72.101 0:0:0:0:0:ffff:6ff3:4865
111.243.72.102 0:0:0:0:0:ffff:6ff3:4866
111.243.72.103 0:0:0:0:0:ffff:6ff3:4867
111.243.72.104 0:0:0:0:0:ffff:6ff3:4868
111.243.72.105 0:0:0:0:0:ffff:6ff3:4869
111.243.72.106 0:0:0:0:0:ffff:6ff3:486a
111.243.72.107 0:0:0:0:0:ffff:6ff3:486b
111.243.72.108 0:0:0:0:0:ffff:6ff3:486c
111.243.72.109 0:0:0:0:0:ffff:6ff3:486d
111.243.72.110 0:0:0:0:0:ffff:6ff3:486e
111.243.72.111 0:0:0:0:0:ffff:6ff3:486f
111.243.72.112 0:0:0:0:0:ffff:6ff3:4870
111.243.72.113 0:0:0:0:0:ffff:6ff3:4871
111.243.72.114 0:0:0:0:0:ffff:6ff3:4872
111.243.72.115 0:0:0:0:0:ffff:6ff3:4873
111.243.72.116 0:0:0:0:0:ffff:6ff3:4874
111.243.72.117 0:0:0:0:0:ffff:6ff3:4875
111.243.72.118 0:0:0:0:0:ffff:6ff3:4876
111.243.72.119 0:0:0:0:0:ffff:6ff3:4877
111.243.72.120 0:0:0:0:0:ffff:6ff3:4878


111.243.72.121 0:0:0:0:0:ffff:6ff3:4879
111.243.72.122 0:0:0:0:0:ffff:6ff3:487a
111.243.72.123 0:0:0:0:0:ffff:6ff3:487b
111.243.72.124 0:0:0:0:0:ffff:6ff3:487c
111.243.72.125 0:0:0:0:0:ffff:6ff3:487d
111.243.72.126 0:0:0:0:0:ffff:6ff3:487e
111.243.72.127 0:0:0:0:0:ffff:6ff3:487f
111.243.72.128 0:0:0:0:0:ffff:6ff3:4880
111.243.72.129 0:0:0:0:0:ffff:6ff3:4881
111.243.72.130 0:0:0:0:0:ffff:6ff3:4882
111.243.72.131 0:0:0:0:0:ffff:6ff3:4883
111.243.72.132 0:0:0:0:0:ffff:6ff3:4884
111.243.72.133 0:0:0:0:0:ffff:6ff3:4885
111.243.72.134 0:0:0:0:0:ffff:6ff3:4886
111.243.72.135 0:0:0:0:0:ffff:6ff3:4887
111.243.72.136 0:0:0:0:0:ffff:6ff3:4888
111.243.72.137 0:0:0:0:0:ffff:6ff3:4889
111.243.72.138 0:0:0:0:0:ffff:6ff3:488a
111.243.72.139 0:0:0:0:0:ffff:6ff3:488b
111.243.72.140 0:0:0:0:0:ffff:6ff3:488c
111.243.72.141 0:0:0:0:0:ffff:6ff3:488d
111.243.72.142 0:0:0:0:0:ffff:6ff3:488e
111.243.72.143 0:0:0:0:0:ffff:6ff3:488f
111.243.72.144 0:0:0:0:0:ffff:6ff3:4890
111.243.72.145 0:0:0:0:0:ffff:6ff3:4891
111.243.72.146 0:0:0:0:0:ffff:6ff3:4892
111.243.72.147 0:0:0:0:0:ffff:6ff3:4893
111.243.72.148 0:0:0:0:0:ffff:6ff3:4894
111.243.72.149 0:0:0:0:0:ffff:6ff3:4895
111.243.72.150 0:0:0:0:0:ffff:6ff3:4896
111.243.72.151 0:0:0:0:0:ffff:6ff3:4897
111.243.72.152 0:0:0:0:0:ffff:6ff3:4898
111.243.72.153 0:0:0:0:0:ffff:6ff3:4899
111.243.72.154 0:0:0:0:0:ffff:6ff3:489a
111.243.72.155 0:0:0:0:0:ffff:6ff3:489b
111.243.72.156 0:0:0:0:0:ffff:6ff3:489c
111.243.72.157 0:0:0:0:0:ffff:6ff3:489d
111.243.72.158 0:0:0:0:0:ffff:6ff3:489e
111.243.72.159 0:0:0:0:0:ffff:6ff3:489f
111.243.72.160 0:0:0:0:0:ffff:6ff3:48a0
111.243.72.161 0:0:0:0:0:ffff:6ff3:48a1
111.243.72.162 0:0:0:0:0:ffff:6ff3:48a2
111.243.72.163 0:0:0:0:0:ffff:6ff3:48a3
111.243.72.164 0:0:0:0:0:ffff:6ff3:48a4
111.243.72.165 0:0:0:0:0:ffff:6ff3:48a5
111.243.72.166 0:0:0:0:0:ffff:6ff3:48a6
111.243.72.167 0:0:0:0:0:ffff:6ff3:48a7
111.243.72.168 0:0:0:0:0:ffff:6ff3:48a8
111.243.72.169 0:0:0:0:0:ffff:6ff3:48a9
111.243.72.170 0:0:0:0:0:ffff:6ff3:48aa
111.243.72.171 0:0:0:0:0:ffff:6ff3:48ab
111.243.72.172 0:0:0:0:0:ffff:6ff3:48ac
111.243.72.173 0:0:0:0:0:ffff:6ff3:48ad
111.243.72.174 0:0:0:0:0:ffff:6ff3:48ae
111.243.72.175 0:0:0:0:0:ffff:6ff3:48af
111.243.72.176 0:0:0:0:0:ffff:6ff3:48b0
111.243.72.177 0:0:0:0:0:ffff:6ff3:48b1
111.243.72.178 0:0:0:0:0:ffff:6ff3:48b2
111.243.72.179 0:0:0:0:0:ffff:6ff3:48b3
111.243.72.180 0:0:0:0:0:ffff:6ff3:48b4


111.243.72.181 0:0:0:0:0:ffff:6ff3:48b5
111.243.72.182 0:0:0:0:0:ffff:6ff3:48b6
111.243.72.183 0:0:0:0:0:ffff:6ff3:48b7
111.243.72.184 0:0:0:0:0:ffff:6ff3:48b8
111.243.72.185 0:0:0:0:0:ffff:6ff3:48b9
111.243.72.186 0:0:0:0:0:ffff:6ff3:48ba
111.243.72.187 0:0:0:0:0:ffff:6ff3:48bb
111.243.72.188 0:0:0:0:0:ffff:6ff3:48bc
111.243.72.189 0:0:0:0:0:ffff:6ff3:48bd
111.243.72.190 0:0:0:0:0:ffff:6ff3:48be
111.243.72.191 0:0:0:0:0:ffff:6ff3:48bf
111.243.72.192 0:0:0:0:0:ffff:6ff3:48c0
111.243.72.193 0:0:0:0:0:ffff:6ff3:48c1
111.243.72.194 0:0:0:0:0:ffff:6ff3:48c2
111.243.72.195 0:0:0:0:0:ffff:6ff3:48c3
111.243.72.196 0:0:0:0:0:ffff:6ff3:48c4
111.243.72.197 0:0:0:0:0:ffff:6ff3:48c5
111.243.72.198 0:0:0:0:0:ffff:6ff3:48c6
111.243.72.199 0:0:0:0:0:ffff:6ff3:48c7
111.243.72.200 0:0:0:0:0:ffff:6ff3:48c8
111.243.72.201 0:0:0:0:0:ffff:6ff3:48c9
111.243.72.202 0:0:0:0:0:ffff:6ff3:48ca
111.243.72.203 0:0:0:0:0:ffff:6ff3:48cb
111.243.72.204 0:0:0:0:0:ffff:6ff3:48cc
111.243.72.205 0:0:0:0:0:ffff:6ff3:48cd
111.243.72.206 0:0:0:0:0:ffff:6ff3:48ce
111.243.72.207 0:0:0:0:0:ffff:6ff3:48cf
111.243.72.208 0:0:0:0:0:ffff:6ff3:48d0
111.243.72.209 0:0:0:0:0:ffff:6ff3:48d1
111.243.72.210 0:0:0:0:0:ffff:6ff3:48d2
111.243.72.211 0:0:0:0:0:ffff:6ff3:48d3
111.243.72.212 0:0:0:0:0:ffff:6ff3:48d4
111.243.72.213 0:0:0:0:0:ffff:6ff3:48d5
111.243.72.214 0:0:0:0:0:ffff:6ff3:48d6
111.243.72.215 0:0:0:0:0:ffff:6ff3:48d7
111.243.72.216 0:0:0:0:0:ffff:6ff3:48d8
111.243.72.217 0:0:0:0:0:ffff:6ff3:48d9
111.243.72.218 0:0:0:0:0:ffff:6ff3:48da
111.243.72.219 0:0:0:0:0:ffff:6ff3:48db
111.243.72.220 0:0:0:0:0:ffff:6ff3:48dc
111.243.72.221 0:0:0:0:0:ffff:6ff3:48dd
111.243.72.222 0:0:0:0:0:ffff:6ff3:48de
111.243.72.223 0:0:0:0:0:ffff:6ff3:48df
111.243.72.224 0:0:0:0:0:ffff:6ff3:48e0
111.243.72.225 0:0:0:0:0:ffff:6ff3:48e1
111.243.72.226 0:0:0:0:0:ffff:6ff3:48e2
111.243.72.227 0:0:0:0:0:ffff:6ff3:48e3
111.243.72.228 0:0:0:0:0:ffff:6ff3:48e4
111.243.72.229 0:0:0:0:0:ffff:6ff3:48e5
111.243.72.230 0:0:0:0:0:ffff:6ff3:48e6
111.243.72.231 0:0:0:0:0:ffff:6ff3:48e7
111.243.72.232 0:0:0:0:0:ffff:6ff3:48e8
111.243.72.233 0:0:0:0:0:ffff:6ff3:48e9
111.243.72.234 0:0:0:0:0:ffff:6ff3:48ea
111.243.72.235 0:0:0:0:0:ffff:6ff3:48eb
111.243.72.236 0:0:0:0:0:ffff:6ff3:48ec
111.243.72.237 0:0:0:0:0:ffff:6ff3:48ed
111.243.72.238 0:0:0:0:0:ffff:6ff3:48ee
111.243.72.239 0:0:0:0:0:ffff:6ff3:48ef
111.243.72.240 0:0:0:0:0:ffff:6ff3:48f0
111.243.72.241 0:0:0:0:0:ffff:6ff3:48f1
111.243.72.242 0:0:0:0:0:ffff:6ff3:48f2
111.243.72.243 0:0:0:0:0:ffff:6ff3:48f3
111.243.72.244 0:0:0:0:0:ffff:6ff3:48f4
111.243.72.245 0:0:0:0:0:ffff:6ff3:48f5
111.243.72.246 0:0:0:0:0:ffff:6ff3:48f6
111.243.72.247 0:0:0:0:0:ffff:6ff3:48f7
111.243.72.248 0:0:0:0:0:ffff:6ff3:48f8
111.243.72.249 0:0:0:0:0:ffff:6ff3:48f9
111.243.72.250 0:0:0:0:0:ffff:6ff3:48fa
111.243.72.251 0:0:0:0:0:ffff:6ff3:48fb
111.243.72.252 0:0:0:0:0:ffff:6ff3:48fc
111.243.72.253 0:0:0:0:0:ffff:6ff3:48fd
111.243.72.254 0:0:0:0:0:ffff:6ff3:48fe
111.243.72.255 0:0:0:0:0:ffff:6ff3:48ff


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.