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
255.56.72.1 0:0:0:0:0:ffff:ff38:4801
255.56.72.2 0:0:0:0:0:ffff:ff38:4802
255.56.72.3 0:0:0:0:0:ffff:ff38:4803
255.56.72.4 0:0:0:0:0:ffff:ff38:4804
255.56.72.5 0:0:0:0:0:ffff:ff38:4805
255.56.72.6 0:0:0:0:0:ffff:ff38:4806
255.56.72.7 0:0:0:0:0:ffff:ff38:4807
255.56.72.8 0:0:0:0:0:ffff:ff38:4808
255.56.72.9 0:0:0:0:0:ffff:ff38:4809
255.56.72.10 0:0:0:0:0:ffff:ff38:480a
255.56.72.11 0:0:0:0:0:ffff:ff38:480b
255.56.72.12 0:0:0:0:0:ffff:ff38:480c
255.56.72.13 0:0:0:0:0:ffff:ff38:480d
255.56.72.14 0:0:0:0:0:ffff:ff38:480e
255.56.72.15 0:0:0:0:0:ffff:ff38:480f
255.56.72.16 0:0:0:0:0:ffff:ff38:4810
255.56.72.17 0:0:0:0:0:ffff:ff38:4811
255.56.72.18 0:0:0:0:0:ffff:ff38:4812
255.56.72.19 0:0:0:0:0:ffff:ff38:4813
255.56.72.20 0:0:0:0:0:ffff:ff38:4814
255.56.72.21 0:0:0:0:0:ffff:ff38:4815
255.56.72.22 0:0:0:0:0:ffff:ff38:4816
255.56.72.23 0:0:0:0:0:ffff:ff38:4817
255.56.72.24 0:0:0:0:0:ffff:ff38:4818
255.56.72.25 0:0:0:0:0:ffff:ff38:4819
255.56.72.26 0:0:0:0:0:ffff:ff38:481a
255.56.72.27 0:0:0:0:0:ffff:ff38:481b
255.56.72.28 0:0:0:0:0:ffff:ff38:481c
255.56.72.29 0:0:0:0:0:ffff:ff38:481d
255.56.72.30 0:0:0:0:0:ffff:ff38:481e
255.56.72.31 0:0:0:0:0:ffff:ff38:481f
255.56.72.32 0:0:0:0:0:ffff:ff38:4820
255.56.72.33 0:0:0:0:0:ffff:ff38:4821
255.56.72.34 0:0:0:0:0:ffff:ff38:4822
255.56.72.35 0:0:0:0:0:ffff:ff38:4823
255.56.72.36 0:0:0:0:0:ffff:ff38:4824
255.56.72.37 0:0:0:0:0:ffff:ff38:4825
255.56.72.38 0:0:0:0:0:ffff:ff38:4826
255.56.72.39 0:0:0:0:0:ffff:ff38:4827
255.56.72.40 0:0:0:0:0:ffff:ff38:4828
255.56.72.41 0:0:0:0:0:ffff:ff38:4829
255.56.72.42 0:0:0:0:0:ffff:ff38:482a
255.56.72.43 0:0:0:0:0:ffff:ff38:482b
255.56.72.44 0:0:0:0:0:ffff:ff38:482c
255.56.72.45 0:0:0:0:0:ffff:ff38:482d
255.56.72.46 0:0:0:0:0:ffff:ff38:482e
255.56.72.47 0:0:0:0:0:ffff:ff38:482f
255.56.72.48 0:0:0:0:0:ffff:ff38:4830
255.56.72.49 0:0:0:0:0:ffff:ff38:4831
255.56.72.50 0:0:0:0:0:ffff:ff38:4832
255.56.72.51 0:0:0:0:0:ffff:ff38:4833
255.56.72.52 0:0:0:0:0:ffff:ff38:4834
255.56.72.53 0:0:0:0:0:ffff:ff38:4835
255.56.72.54 0:0:0:0:0:ffff:ff38:4836
255.56.72.55 0:0:0:0:0:ffff:ff38:4837
255.56.72.56 0:0:0:0:0:ffff:ff38:4838
255.56.72.57 0:0:0:0:0:ffff:ff38:4839
255.56.72.58 0:0:0:0:0:ffff:ff38:483a
255.56.72.59 0:0:0:0:0:ffff:ff38:483b
255.56.72.60 0:0:0:0:0:ffff:ff38:483c


255.56.72.61 0:0:0:0:0:ffff:ff38:483d
255.56.72.62 0:0:0:0:0:ffff:ff38:483e
255.56.72.63 0:0:0:0:0:ffff:ff38:483f
255.56.72.64 0:0:0:0:0:ffff:ff38:4840
255.56.72.65 0:0:0:0:0:ffff:ff38:4841
255.56.72.66 0:0:0:0:0:ffff:ff38:4842
255.56.72.67 0:0:0:0:0:ffff:ff38:4843
255.56.72.68 0:0:0:0:0:ffff:ff38:4844
255.56.72.69 0:0:0:0:0:ffff:ff38:4845
255.56.72.70 0:0:0:0:0:ffff:ff38:4846
255.56.72.71 0:0:0:0:0:ffff:ff38:4847
255.56.72.72 0:0:0:0:0:ffff:ff38:4848
255.56.72.73 0:0:0:0:0:ffff:ff38:4849
255.56.72.74 0:0:0:0:0:ffff:ff38:484a
255.56.72.75 0:0:0:0:0:ffff:ff38:484b
255.56.72.76 0:0:0:0:0:ffff:ff38:484c
255.56.72.77 0:0:0:0:0:ffff:ff38:484d
255.56.72.78 0:0:0:0:0:ffff:ff38:484e
255.56.72.79 0:0:0:0:0:ffff:ff38:484f
255.56.72.80 0:0:0:0:0:ffff:ff38:4850
255.56.72.81 0:0:0:0:0:ffff:ff38:4851
255.56.72.82 0:0:0:0:0:ffff:ff38:4852
255.56.72.83 0:0:0:0:0:ffff:ff38:4853
255.56.72.84 0:0:0:0:0:ffff:ff38:4854
255.56.72.85 0:0:0:0:0:ffff:ff38:4855
255.56.72.86 0:0:0:0:0:ffff:ff38:4856
255.56.72.87 0:0:0:0:0:ffff:ff38:4857
255.56.72.88 0:0:0:0:0:ffff:ff38:4858
255.56.72.89 0:0:0:0:0:ffff:ff38:4859
255.56.72.90 0:0:0:0:0:ffff:ff38:485a
255.56.72.91 0:0:0:0:0:ffff:ff38:485b
255.56.72.92 0:0:0:0:0:ffff:ff38:485c
255.56.72.93 0:0:0:0:0:ffff:ff38:485d
255.56.72.94 0:0:0:0:0:ffff:ff38:485e
255.56.72.95 0:0:0:0:0:ffff:ff38:485f
255.56.72.96 0:0:0:0:0:ffff:ff38:4860
255.56.72.97 0:0:0:0:0:ffff:ff38:4861
255.56.72.98 0:0:0:0:0:ffff:ff38:4862
255.56.72.99 0:0:0:0:0:ffff:ff38:4863
255.56.72.100 0:0:0:0:0:ffff:ff38:4864
255.56.72.101 0:0:0:0:0:ffff:ff38:4865
255.56.72.102 0:0:0:0:0:ffff:ff38:4866
255.56.72.103 0:0:0:0:0:ffff:ff38:4867
255.56.72.104 0:0:0:0:0:ffff:ff38:4868
255.56.72.105 0:0:0:0:0:ffff:ff38:4869
255.56.72.106 0:0:0:0:0:ffff:ff38:486a
255.56.72.107 0:0:0:0:0:ffff:ff38:486b
255.56.72.108 0:0:0:0:0:ffff:ff38:486c
255.56.72.109 0:0:0:0:0:ffff:ff38:486d
255.56.72.110 0:0:0:0:0:ffff:ff38:486e
255.56.72.111 0:0:0:0:0:ffff:ff38:486f
255.56.72.112 0:0:0:0:0:ffff:ff38:4870
255.56.72.113 0:0:0:0:0:ffff:ff38:4871
255.56.72.114 0:0:0:0:0:ffff:ff38:4872
255.56.72.115 0:0:0:0:0:ffff:ff38:4873
255.56.72.116 0:0:0:0:0:ffff:ff38:4874
255.56.72.117 0:0:0:0:0:ffff:ff38:4875
255.56.72.118 0:0:0:0:0:ffff:ff38:4876
255.56.72.119 0:0:0:0:0:ffff:ff38:4877
255.56.72.120 0:0:0:0:0:ffff:ff38:4878


255.56.72.121 0:0:0:0:0:ffff:ff38:4879
255.56.72.122 0:0:0:0:0:ffff:ff38:487a
255.56.72.123 0:0:0:0:0:ffff:ff38:487b
255.56.72.124 0:0:0:0:0:ffff:ff38:487c
255.56.72.125 0:0:0:0:0:ffff:ff38:487d
255.56.72.126 0:0:0:0:0:ffff:ff38:487e
255.56.72.127 0:0:0:0:0:ffff:ff38:487f
255.56.72.128 0:0:0:0:0:ffff:ff38:4880
255.56.72.129 0:0:0:0:0:ffff:ff38:4881
255.56.72.130 0:0:0:0:0:ffff:ff38:4882
255.56.72.131 0:0:0:0:0:ffff:ff38:4883
255.56.72.132 0:0:0:0:0:ffff:ff38:4884
255.56.72.133 0:0:0:0:0:ffff:ff38:4885
255.56.72.134 0:0:0:0:0:ffff:ff38:4886
255.56.72.135 0:0:0:0:0:ffff:ff38:4887
255.56.72.136 0:0:0:0:0:ffff:ff38:4888
255.56.72.137 0:0:0:0:0:ffff:ff38:4889
255.56.72.138 0:0:0:0:0:ffff:ff38:488a
255.56.72.139 0:0:0:0:0:ffff:ff38:488b
255.56.72.140 0:0:0:0:0:ffff:ff38:488c
255.56.72.141 0:0:0:0:0:ffff:ff38:488d
255.56.72.142 0:0:0:0:0:ffff:ff38:488e
255.56.72.143 0:0:0:0:0:ffff:ff38:488f
255.56.72.144 0:0:0:0:0:ffff:ff38:4890
255.56.72.145 0:0:0:0:0:ffff:ff38:4891
255.56.72.146 0:0:0:0:0:ffff:ff38:4892
255.56.72.147 0:0:0:0:0:ffff:ff38:4893
255.56.72.148 0:0:0:0:0:ffff:ff38:4894
255.56.72.149 0:0:0:0:0:ffff:ff38:4895
255.56.72.150 0:0:0:0:0:ffff:ff38:4896
255.56.72.151 0:0:0:0:0:ffff:ff38:4897
255.56.72.152 0:0:0:0:0:ffff:ff38:4898
255.56.72.153 0:0:0:0:0:ffff:ff38:4899
255.56.72.154 0:0:0:0:0:ffff:ff38:489a
255.56.72.155 0:0:0:0:0:ffff:ff38:489b
255.56.72.156 0:0:0:0:0:ffff:ff38:489c
255.56.72.157 0:0:0:0:0:ffff:ff38:489d
255.56.72.158 0:0:0:0:0:ffff:ff38:489e
255.56.72.159 0:0:0:0:0:ffff:ff38:489f
255.56.72.160 0:0:0:0:0:ffff:ff38:48a0
255.56.72.161 0:0:0:0:0:ffff:ff38:48a1
255.56.72.162 0:0:0:0:0:ffff:ff38:48a2
255.56.72.163 0:0:0:0:0:ffff:ff38:48a3
255.56.72.164 0:0:0:0:0:ffff:ff38:48a4
255.56.72.165 0:0:0:0:0:ffff:ff38:48a5
255.56.72.166 0:0:0:0:0:ffff:ff38:48a6
255.56.72.167 0:0:0:0:0:ffff:ff38:48a7
255.56.72.168 0:0:0:0:0:ffff:ff38:48a8
255.56.72.169 0:0:0:0:0:ffff:ff38:48a9
255.56.72.170 0:0:0:0:0:ffff:ff38:48aa
255.56.72.171 0:0:0:0:0:ffff:ff38:48ab
255.56.72.172 0:0:0:0:0:ffff:ff38:48ac
255.56.72.173 0:0:0:0:0:ffff:ff38:48ad
255.56.72.174 0:0:0:0:0:ffff:ff38:48ae
255.56.72.175 0:0:0:0:0:ffff:ff38:48af
255.56.72.176 0:0:0:0:0:ffff:ff38:48b0
255.56.72.177 0:0:0:0:0:ffff:ff38:48b1
255.56.72.178 0:0:0:0:0:ffff:ff38:48b2
255.56.72.179 0:0:0:0:0:ffff:ff38:48b3
255.56.72.180 0:0:0:0:0:ffff:ff38:48b4


255.56.72.181 0:0:0:0:0:ffff:ff38:48b5
255.56.72.182 0:0:0:0:0:ffff:ff38:48b6
255.56.72.183 0:0:0:0:0:ffff:ff38:48b7
255.56.72.184 0:0:0:0:0:ffff:ff38:48b8
255.56.72.185 0:0:0:0:0:ffff:ff38:48b9
255.56.72.186 0:0:0:0:0:ffff:ff38:48ba
255.56.72.187 0:0:0:0:0:ffff:ff38:48bb
255.56.72.188 0:0:0:0:0:ffff:ff38:48bc
255.56.72.189 0:0:0:0:0:ffff:ff38:48bd
255.56.72.190 0:0:0:0:0:ffff:ff38:48be
255.56.72.191 0:0:0:0:0:ffff:ff38:48bf
255.56.72.192 0:0:0:0:0:ffff:ff38:48c0
255.56.72.193 0:0:0:0:0:ffff:ff38:48c1
255.56.72.194 0:0:0:0:0:ffff:ff38:48c2
255.56.72.195 0:0:0:0:0:ffff:ff38:48c3
255.56.72.196 0:0:0:0:0:ffff:ff38:48c4
255.56.72.197 0:0:0:0:0:ffff:ff38:48c5
255.56.72.198 0:0:0:0:0:ffff:ff38:48c6
255.56.72.199 0:0:0:0:0:ffff:ff38:48c7
255.56.72.200 0:0:0:0:0:ffff:ff38:48c8
255.56.72.201 0:0:0:0:0:ffff:ff38:48c9
255.56.72.202 0:0:0:0:0:ffff:ff38:48ca
255.56.72.203 0:0:0:0:0:ffff:ff38:48cb
255.56.72.204 0:0:0:0:0:ffff:ff38:48cc
255.56.72.205 0:0:0:0:0:ffff:ff38:48cd
255.56.72.206 0:0:0:0:0:ffff:ff38:48ce
255.56.72.207 0:0:0:0:0:ffff:ff38:48cf
255.56.72.208 0:0:0:0:0:ffff:ff38:48d0
255.56.72.209 0:0:0:0:0:ffff:ff38:48d1
255.56.72.210 0:0:0:0:0:ffff:ff38:48d2
255.56.72.211 0:0:0:0:0:ffff:ff38:48d3
255.56.72.212 0:0:0:0:0:ffff:ff38:48d4
255.56.72.213 0:0:0:0:0:ffff:ff38:48d5
255.56.72.214 0:0:0:0:0:ffff:ff38:48d6
255.56.72.215 0:0:0:0:0:ffff:ff38:48d7
255.56.72.216 0:0:0:0:0:ffff:ff38:48d8
255.56.72.217 0:0:0:0:0:ffff:ff38:48d9
255.56.72.218 0:0:0:0:0:ffff:ff38:48da
255.56.72.219 0:0:0:0:0:ffff:ff38:48db
255.56.72.220 0:0:0:0:0:ffff:ff38:48dc
255.56.72.221 0:0:0:0:0:ffff:ff38:48dd
255.56.72.222 0:0:0:0:0:ffff:ff38:48de
255.56.72.223 0:0:0:0:0:ffff:ff38:48df
255.56.72.224 0:0:0:0:0:ffff:ff38:48e0
255.56.72.225 0:0:0:0:0:ffff:ff38:48e1
255.56.72.226 0:0:0:0:0:ffff:ff38:48e2
255.56.72.227 0:0:0:0:0:ffff:ff38:48e3
255.56.72.228 0:0:0:0:0:ffff:ff38:48e4
255.56.72.229 0:0:0:0:0:ffff:ff38:48e5
255.56.72.230 0:0:0:0:0:ffff:ff38:48e6
255.56.72.231 0:0:0:0:0:ffff:ff38:48e7
255.56.72.232 0:0:0:0:0:ffff:ff38:48e8
255.56.72.233 0:0:0:0:0:ffff:ff38:48e9
255.56.72.234 0:0:0:0:0:ffff:ff38:48ea
255.56.72.235 0:0:0:0:0:ffff:ff38:48eb
255.56.72.236 0:0:0:0:0:ffff:ff38:48ec
255.56.72.237 0:0:0:0:0:ffff:ff38:48ed
255.56.72.238 0:0:0:0:0:ffff:ff38:48ee
255.56.72.239 0:0:0:0:0:ffff:ff38:48ef
255.56.72.240 0:0:0:0:0:ffff:ff38:48f0
255.56.72.241 0:0:0:0:0:ffff:ff38:48f1
255.56.72.242 0:0:0:0:0:ffff:ff38:48f2
255.56.72.243 0:0:0:0:0:ffff:ff38:48f3
255.56.72.244 0:0:0:0:0:ffff:ff38:48f4
255.56.72.245 0:0:0:0:0:ffff:ff38:48f5
255.56.72.246 0:0:0:0:0:ffff:ff38:48f6
255.56.72.247 0:0:0:0:0:ffff:ff38:48f7
255.56.72.248 0:0:0:0:0:ffff:ff38:48f8
255.56.72.249 0:0:0:0:0:ffff:ff38:48f9
255.56.72.250 0:0:0:0:0:ffff:ff38:48fa
255.56.72.251 0:0:0:0:0:ffff:ff38:48fb
255.56.72.252 0:0:0:0:0:ffff:ff38:48fc
255.56.72.253 0:0:0:0:0:ffff:ff38:48fd
255.56.72.254 0:0:0:0:0:ffff:ff38:48fe
255.56.72.255 0:0:0:0:0:ffff:ff38:48ff


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.