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
143.243.72.1 0:0:0:0:0:ffff:8ff3:4801
143.243.72.2 0:0:0:0:0:ffff:8ff3:4802
143.243.72.3 0:0:0:0:0:ffff:8ff3:4803
143.243.72.4 0:0:0:0:0:ffff:8ff3:4804
143.243.72.5 0:0:0:0:0:ffff:8ff3:4805
143.243.72.6 0:0:0:0:0:ffff:8ff3:4806
143.243.72.7 0:0:0:0:0:ffff:8ff3:4807
143.243.72.8 0:0:0:0:0:ffff:8ff3:4808
143.243.72.9 0:0:0:0:0:ffff:8ff3:4809
143.243.72.10 0:0:0:0:0:ffff:8ff3:480a
143.243.72.11 0:0:0:0:0:ffff:8ff3:480b
143.243.72.12 0:0:0:0:0:ffff:8ff3:480c
143.243.72.13 0:0:0:0:0:ffff:8ff3:480d
143.243.72.14 0:0:0:0:0:ffff:8ff3:480e
143.243.72.15 0:0:0:0:0:ffff:8ff3:480f
143.243.72.16 0:0:0:0:0:ffff:8ff3:4810
143.243.72.17 0:0:0:0:0:ffff:8ff3:4811
143.243.72.18 0:0:0:0:0:ffff:8ff3:4812
143.243.72.19 0:0:0:0:0:ffff:8ff3:4813
143.243.72.20 0:0:0:0:0:ffff:8ff3:4814
143.243.72.21 0:0:0:0:0:ffff:8ff3:4815
143.243.72.22 0:0:0:0:0:ffff:8ff3:4816
143.243.72.23 0:0:0:0:0:ffff:8ff3:4817
143.243.72.24 0:0:0:0:0:ffff:8ff3:4818
143.243.72.25 0:0:0:0:0:ffff:8ff3:4819
143.243.72.26 0:0:0:0:0:ffff:8ff3:481a
143.243.72.27 0:0:0:0:0:ffff:8ff3:481b
143.243.72.28 0:0:0:0:0:ffff:8ff3:481c
143.243.72.29 0:0:0:0:0:ffff:8ff3:481d
143.243.72.30 0:0:0:0:0:ffff:8ff3:481e
143.243.72.31 0:0:0:0:0:ffff:8ff3:481f
143.243.72.32 0:0:0:0:0:ffff:8ff3:4820
143.243.72.33 0:0:0:0:0:ffff:8ff3:4821
143.243.72.34 0:0:0:0:0:ffff:8ff3:4822
143.243.72.35 0:0:0:0:0:ffff:8ff3:4823
143.243.72.36 0:0:0:0:0:ffff:8ff3:4824
143.243.72.37 0:0:0:0:0:ffff:8ff3:4825
143.243.72.38 0:0:0:0:0:ffff:8ff3:4826
143.243.72.39 0:0:0:0:0:ffff:8ff3:4827
143.243.72.40 0:0:0:0:0:ffff:8ff3:4828
143.243.72.41 0:0:0:0:0:ffff:8ff3:4829
143.243.72.42 0:0:0:0:0:ffff:8ff3:482a
143.243.72.43 0:0:0:0:0:ffff:8ff3:482b
143.243.72.44 0:0:0:0:0:ffff:8ff3:482c
143.243.72.45 0:0:0:0:0:ffff:8ff3:482d
143.243.72.46 0:0:0:0:0:ffff:8ff3:482e
143.243.72.47 0:0:0:0:0:ffff:8ff3:482f
143.243.72.48 0:0:0:0:0:ffff:8ff3:4830
143.243.72.49 0:0:0:0:0:ffff:8ff3:4831
143.243.72.50 0:0:0:0:0:ffff:8ff3:4832
143.243.72.51 0:0:0:0:0:ffff:8ff3:4833
143.243.72.52 0:0:0:0:0:ffff:8ff3:4834
143.243.72.53 0:0:0:0:0:ffff:8ff3:4835
143.243.72.54 0:0:0:0:0:ffff:8ff3:4836
143.243.72.55 0:0:0:0:0:ffff:8ff3:4837
143.243.72.56 0:0:0:0:0:ffff:8ff3:4838
143.243.72.57 0:0:0:0:0:ffff:8ff3:4839
143.243.72.58 0:0:0:0:0:ffff:8ff3:483a
143.243.72.59 0:0:0:0:0:ffff:8ff3:483b
143.243.72.60 0:0:0:0:0:ffff:8ff3:483c


143.243.72.61 0:0:0:0:0:ffff:8ff3:483d
143.243.72.62 0:0:0:0:0:ffff:8ff3:483e
143.243.72.63 0:0:0:0:0:ffff:8ff3:483f
143.243.72.64 0:0:0:0:0:ffff:8ff3:4840
143.243.72.65 0:0:0:0:0:ffff:8ff3:4841
143.243.72.66 0:0:0:0:0:ffff:8ff3:4842
143.243.72.67 0:0:0:0:0:ffff:8ff3:4843
143.243.72.68 0:0:0:0:0:ffff:8ff3:4844
143.243.72.69 0:0:0:0:0:ffff:8ff3:4845
143.243.72.70 0:0:0:0:0:ffff:8ff3:4846
143.243.72.71 0:0:0:0:0:ffff:8ff3:4847
143.243.72.72 0:0:0:0:0:ffff:8ff3:4848
143.243.72.73 0:0:0:0:0:ffff:8ff3:4849
143.243.72.74 0:0:0:0:0:ffff:8ff3:484a
143.243.72.75 0:0:0:0:0:ffff:8ff3:484b
143.243.72.76 0:0:0:0:0:ffff:8ff3:484c
143.243.72.77 0:0:0:0:0:ffff:8ff3:484d
143.243.72.78 0:0:0:0:0:ffff:8ff3:484e
143.243.72.79 0:0:0:0:0:ffff:8ff3:484f
143.243.72.80 0:0:0:0:0:ffff:8ff3:4850
143.243.72.81 0:0:0:0:0:ffff:8ff3:4851
143.243.72.82 0:0:0:0:0:ffff:8ff3:4852
143.243.72.83 0:0:0:0:0:ffff:8ff3:4853
143.243.72.84 0:0:0:0:0:ffff:8ff3:4854
143.243.72.85 0:0:0:0:0:ffff:8ff3:4855
143.243.72.86 0:0:0:0:0:ffff:8ff3:4856
143.243.72.87 0:0:0:0:0:ffff:8ff3:4857
143.243.72.88 0:0:0:0:0:ffff:8ff3:4858
143.243.72.89 0:0:0:0:0:ffff:8ff3:4859
143.243.72.90 0:0:0:0:0:ffff:8ff3:485a
143.243.72.91 0:0:0:0:0:ffff:8ff3:485b
143.243.72.92 0:0:0:0:0:ffff:8ff3:485c
143.243.72.93 0:0:0:0:0:ffff:8ff3:485d
143.243.72.94 0:0:0:0:0:ffff:8ff3:485e
143.243.72.95 0:0:0:0:0:ffff:8ff3:485f
143.243.72.96 0:0:0:0:0:ffff:8ff3:4860
143.243.72.97 0:0:0:0:0:ffff:8ff3:4861
143.243.72.98 0:0:0:0:0:ffff:8ff3:4862
143.243.72.99 0:0:0:0:0:ffff:8ff3:4863
143.243.72.100 0:0:0:0:0:ffff:8ff3:4864
143.243.72.101 0:0:0:0:0:ffff:8ff3:4865
143.243.72.102 0:0:0:0:0:ffff:8ff3:4866
143.243.72.103 0:0:0:0:0:ffff:8ff3:4867
143.243.72.104 0:0:0:0:0:ffff:8ff3:4868
143.243.72.105 0:0:0:0:0:ffff:8ff3:4869
143.243.72.106 0:0:0:0:0:ffff:8ff3:486a
143.243.72.107 0:0:0:0:0:ffff:8ff3:486b
143.243.72.108 0:0:0:0:0:ffff:8ff3:486c
143.243.72.109 0:0:0:0:0:ffff:8ff3:486d
143.243.72.110 0:0:0:0:0:ffff:8ff3:486e
143.243.72.111 0:0:0:0:0:ffff:8ff3:486f
143.243.72.112 0:0:0:0:0:ffff:8ff3:4870
143.243.72.113 0:0:0:0:0:ffff:8ff3:4871
143.243.72.114 0:0:0:0:0:ffff:8ff3:4872
143.243.72.115 0:0:0:0:0:ffff:8ff3:4873
143.243.72.116 0:0:0:0:0:ffff:8ff3:4874
143.243.72.117 0:0:0:0:0:ffff:8ff3:4875
143.243.72.118 0:0:0:0:0:ffff:8ff3:4876
143.243.72.119 0:0:0:0:0:ffff:8ff3:4877
143.243.72.120 0:0:0:0:0:ffff:8ff3:4878


143.243.72.121 0:0:0:0:0:ffff:8ff3:4879
143.243.72.122 0:0:0:0:0:ffff:8ff3:487a
143.243.72.123 0:0:0:0:0:ffff:8ff3:487b
143.243.72.124 0:0:0:0:0:ffff:8ff3:487c
143.243.72.125 0:0:0:0:0:ffff:8ff3:487d
143.243.72.126 0:0:0:0:0:ffff:8ff3:487e
143.243.72.127 0:0:0:0:0:ffff:8ff3:487f
143.243.72.128 0:0:0:0:0:ffff:8ff3:4880
143.243.72.129 0:0:0:0:0:ffff:8ff3:4881
143.243.72.130 0:0:0:0:0:ffff:8ff3:4882
143.243.72.131 0:0:0:0:0:ffff:8ff3:4883
143.243.72.132 0:0:0:0:0:ffff:8ff3:4884
143.243.72.133 0:0:0:0:0:ffff:8ff3:4885
143.243.72.134 0:0:0:0:0:ffff:8ff3:4886
143.243.72.135 0:0:0:0:0:ffff:8ff3:4887
143.243.72.136 0:0:0:0:0:ffff:8ff3:4888
143.243.72.137 0:0:0:0:0:ffff:8ff3:4889
143.243.72.138 0:0:0:0:0:ffff:8ff3:488a
143.243.72.139 0:0:0:0:0:ffff:8ff3:488b
143.243.72.140 0:0:0:0:0:ffff:8ff3:488c
143.243.72.141 0:0:0:0:0:ffff:8ff3:488d
143.243.72.142 0:0:0:0:0:ffff:8ff3:488e
143.243.72.143 0:0:0:0:0:ffff:8ff3:488f
143.243.72.144 0:0:0:0:0:ffff:8ff3:4890
143.243.72.145 0:0:0:0:0:ffff:8ff3:4891
143.243.72.146 0:0:0:0:0:ffff:8ff3:4892
143.243.72.147 0:0:0:0:0:ffff:8ff3:4893
143.243.72.148 0:0:0:0:0:ffff:8ff3:4894
143.243.72.149 0:0:0:0:0:ffff:8ff3:4895
143.243.72.150 0:0:0:0:0:ffff:8ff3:4896
143.243.72.151 0:0:0:0:0:ffff:8ff3:4897
143.243.72.152 0:0:0:0:0:ffff:8ff3:4898
143.243.72.153 0:0:0:0:0:ffff:8ff3:4899
143.243.72.154 0:0:0:0:0:ffff:8ff3:489a
143.243.72.155 0:0:0:0:0:ffff:8ff3:489b
143.243.72.156 0:0:0:0:0:ffff:8ff3:489c
143.243.72.157 0:0:0:0:0:ffff:8ff3:489d
143.243.72.158 0:0:0:0:0:ffff:8ff3:489e
143.243.72.159 0:0:0:0:0:ffff:8ff3:489f
143.243.72.160 0:0:0:0:0:ffff:8ff3:48a0
143.243.72.161 0:0:0:0:0:ffff:8ff3:48a1
143.243.72.162 0:0:0:0:0:ffff:8ff3:48a2
143.243.72.163 0:0:0:0:0:ffff:8ff3:48a3
143.243.72.164 0:0:0:0:0:ffff:8ff3:48a4
143.243.72.165 0:0:0:0:0:ffff:8ff3:48a5
143.243.72.166 0:0:0:0:0:ffff:8ff3:48a6
143.243.72.167 0:0:0:0:0:ffff:8ff3:48a7
143.243.72.168 0:0:0:0:0:ffff:8ff3:48a8
143.243.72.169 0:0:0:0:0:ffff:8ff3:48a9
143.243.72.170 0:0:0:0:0:ffff:8ff3:48aa
143.243.72.171 0:0:0:0:0:ffff:8ff3:48ab
143.243.72.172 0:0:0:0:0:ffff:8ff3:48ac
143.243.72.173 0:0:0:0:0:ffff:8ff3:48ad
143.243.72.174 0:0:0:0:0:ffff:8ff3:48ae
143.243.72.175 0:0:0:0:0:ffff:8ff3:48af
143.243.72.176 0:0:0:0:0:ffff:8ff3:48b0
143.243.72.177 0:0:0:0:0:ffff:8ff3:48b1
143.243.72.178 0:0:0:0:0:ffff:8ff3:48b2
143.243.72.179 0:0:0:0:0:ffff:8ff3:48b3
143.243.72.180 0:0:0:0:0:ffff:8ff3:48b4


143.243.72.181 0:0:0:0:0:ffff:8ff3:48b5
143.243.72.182 0:0:0:0:0:ffff:8ff3:48b6
143.243.72.183 0:0:0:0:0:ffff:8ff3:48b7
143.243.72.184 0:0:0:0:0:ffff:8ff3:48b8
143.243.72.185 0:0:0:0:0:ffff:8ff3:48b9
143.243.72.186 0:0:0:0:0:ffff:8ff3:48ba
143.243.72.187 0:0:0:0:0:ffff:8ff3:48bb
143.243.72.188 0:0:0:0:0:ffff:8ff3:48bc
143.243.72.189 0:0:0:0:0:ffff:8ff3:48bd
143.243.72.190 0:0:0:0:0:ffff:8ff3:48be
143.243.72.191 0:0:0:0:0:ffff:8ff3:48bf
143.243.72.192 0:0:0:0:0:ffff:8ff3:48c0
143.243.72.193 0:0:0:0:0:ffff:8ff3:48c1
143.243.72.194 0:0:0:0:0:ffff:8ff3:48c2
143.243.72.195 0:0:0:0:0:ffff:8ff3:48c3
143.243.72.196 0:0:0:0:0:ffff:8ff3:48c4
143.243.72.197 0:0:0:0:0:ffff:8ff3:48c5
143.243.72.198 0:0:0:0:0:ffff:8ff3:48c6
143.243.72.199 0:0:0:0:0:ffff:8ff3:48c7
143.243.72.200 0:0:0:0:0:ffff:8ff3:48c8
143.243.72.201 0:0:0:0:0:ffff:8ff3:48c9
143.243.72.202 0:0:0:0:0:ffff:8ff3:48ca
143.243.72.203 0:0:0:0:0:ffff:8ff3:48cb
143.243.72.204 0:0:0:0:0:ffff:8ff3:48cc
143.243.72.205 0:0:0:0:0:ffff:8ff3:48cd
143.243.72.206 0:0:0:0:0:ffff:8ff3:48ce
143.243.72.207 0:0:0:0:0:ffff:8ff3:48cf
143.243.72.208 0:0:0:0:0:ffff:8ff3:48d0
143.243.72.209 0:0:0:0:0:ffff:8ff3:48d1
143.243.72.210 0:0:0:0:0:ffff:8ff3:48d2
143.243.72.211 0:0:0:0:0:ffff:8ff3:48d3
143.243.72.212 0:0:0:0:0:ffff:8ff3:48d4
143.243.72.213 0:0:0:0:0:ffff:8ff3:48d5
143.243.72.214 0:0:0:0:0:ffff:8ff3:48d6
143.243.72.215 0:0:0:0:0:ffff:8ff3:48d7
143.243.72.216 0:0:0:0:0:ffff:8ff3:48d8
143.243.72.217 0:0:0:0:0:ffff:8ff3:48d9
143.243.72.218 0:0:0:0:0:ffff:8ff3:48da
143.243.72.219 0:0:0:0:0:ffff:8ff3:48db
143.243.72.220 0:0:0:0:0:ffff:8ff3:48dc
143.243.72.221 0:0:0:0:0:ffff:8ff3:48dd
143.243.72.222 0:0:0:0:0:ffff:8ff3:48de
143.243.72.223 0:0:0:0:0:ffff:8ff3:48df
143.243.72.224 0:0:0:0:0:ffff:8ff3:48e0
143.243.72.225 0:0:0:0:0:ffff:8ff3:48e1
143.243.72.226 0:0:0:0:0:ffff:8ff3:48e2
143.243.72.227 0:0:0:0:0:ffff:8ff3:48e3
143.243.72.228 0:0:0:0:0:ffff:8ff3:48e4
143.243.72.229 0:0:0:0:0:ffff:8ff3:48e5
143.243.72.230 0:0:0:0:0:ffff:8ff3:48e6
143.243.72.231 0:0:0:0:0:ffff:8ff3:48e7
143.243.72.232 0:0:0:0:0:ffff:8ff3:48e8
143.243.72.233 0:0:0:0:0:ffff:8ff3:48e9
143.243.72.234 0:0:0:0:0:ffff:8ff3:48ea
143.243.72.235 0:0:0:0:0:ffff:8ff3:48eb
143.243.72.236 0:0:0:0:0:ffff:8ff3:48ec
143.243.72.237 0:0:0:0:0:ffff:8ff3:48ed
143.243.72.238 0:0:0:0:0:ffff:8ff3:48ee
143.243.72.239 0:0:0:0:0:ffff:8ff3:48ef
143.243.72.240 0:0:0:0:0:ffff:8ff3:48f0
143.243.72.241 0:0:0:0:0:ffff:8ff3:48f1
143.243.72.242 0:0:0:0:0:ffff:8ff3:48f2
143.243.72.243 0:0:0:0:0:ffff:8ff3:48f3
143.243.72.244 0:0:0:0:0:ffff:8ff3:48f4
143.243.72.245 0:0:0:0:0:ffff:8ff3:48f5
143.243.72.246 0:0:0:0:0:ffff:8ff3:48f6
143.243.72.247 0:0:0:0:0:ffff:8ff3:48f7
143.243.72.248 0:0:0:0:0:ffff:8ff3:48f8
143.243.72.249 0:0:0:0:0:ffff:8ff3:48f9
143.243.72.250 0:0:0:0:0:ffff:8ff3:48fa
143.243.72.251 0:0:0:0:0:ffff:8ff3:48fb
143.243.72.252 0:0:0:0:0:ffff:8ff3:48fc
143.243.72.253 0:0:0:0:0:ffff:8ff3:48fd
143.243.72.254 0:0:0:0:0:ffff:8ff3:48fe
143.243.72.255 0:0:0:0:0:ffff:8ff3:48ff


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.