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
12.31.72.1 0:0:0:0:0:ffff:c1f:4801
12.31.72.2 0:0:0:0:0:ffff:c1f:4802
12.31.72.3 0:0:0:0:0:ffff:c1f:4803
12.31.72.4 0:0:0:0:0:ffff:c1f:4804
12.31.72.5 0:0:0:0:0:ffff:c1f:4805
12.31.72.6 0:0:0:0:0:ffff:c1f:4806
12.31.72.7 0:0:0:0:0:ffff:c1f:4807
12.31.72.8 0:0:0:0:0:ffff:c1f:4808
12.31.72.9 0:0:0:0:0:ffff:c1f:4809
12.31.72.10 0:0:0:0:0:ffff:c1f:480a
12.31.72.11 0:0:0:0:0:ffff:c1f:480b
12.31.72.12 0:0:0:0:0:ffff:c1f:480c
12.31.72.13 0:0:0:0:0:ffff:c1f:480d
12.31.72.14 0:0:0:0:0:ffff:c1f:480e
12.31.72.15 0:0:0:0:0:ffff:c1f:480f
12.31.72.16 0:0:0:0:0:ffff:c1f:4810
12.31.72.17 0:0:0:0:0:ffff:c1f:4811
12.31.72.18 0:0:0:0:0:ffff:c1f:4812
12.31.72.19 0:0:0:0:0:ffff:c1f:4813
12.31.72.20 0:0:0:0:0:ffff:c1f:4814
12.31.72.21 0:0:0:0:0:ffff:c1f:4815
12.31.72.22 0:0:0:0:0:ffff:c1f:4816
12.31.72.23 0:0:0:0:0:ffff:c1f:4817
12.31.72.24 0:0:0:0:0:ffff:c1f:4818
12.31.72.25 0:0:0:0:0:ffff:c1f:4819
12.31.72.26 0:0:0:0:0:ffff:c1f:481a
12.31.72.27 0:0:0:0:0:ffff:c1f:481b
12.31.72.28 0:0:0:0:0:ffff:c1f:481c
12.31.72.29 0:0:0:0:0:ffff:c1f:481d
12.31.72.30 0:0:0:0:0:ffff:c1f:481e
12.31.72.31 0:0:0:0:0:ffff:c1f:481f
12.31.72.32 0:0:0:0:0:ffff:c1f:4820
12.31.72.33 0:0:0:0:0:ffff:c1f:4821
12.31.72.34 0:0:0:0:0:ffff:c1f:4822
12.31.72.35 0:0:0:0:0:ffff:c1f:4823
12.31.72.36 0:0:0:0:0:ffff:c1f:4824
12.31.72.37 0:0:0:0:0:ffff:c1f:4825
12.31.72.38 0:0:0:0:0:ffff:c1f:4826
12.31.72.39 0:0:0:0:0:ffff:c1f:4827
12.31.72.40 0:0:0:0:0:ffff:c1f:4828
12.31.72.41 0:0:0:0:0:ffff:c1f:4829
12.31.72.42 0:0:0:0:0:ffff:c1f:482a
12.31.72.43 0:0:0:0:0:ffff:c1f:482b
12.31.72.44 0:0:0:0:0:ffff:c1f:482c
12.31.72.45 0:0:0:0:0:ffff:c1f:482d
12.31.72.46 0:0:0:0:0:ffff:c1f:482e
12.31.72.47 0:0:0:0:0:ffff:c1f:482f
12.31.72.48 0:0:0:0:0:ffff:c1f:4830
12.31.72.49 0:0:0:0:0:ffff:c1f:4831
12.31.72.50 0:0:0:0:0:ffff:c1f:4832
12.31.72.51 0:0:0:0:0:ffff:c1f:4833
12.31.72.52 0:0:0:0:0:ffff:c1f:4834
12.31.72.53 0:0:0:0:0:ffff:c1f:4835
12.31.72.54 0:0:0:0:0:ffff:c1f:4836
12.31.72.55 0:0:0:0:0:ffff:c1f:4837
12.31.72.56 0:0:0:0:0:ffff:c1f:4838
12.31.72.57 0:0:0:0:0:ffff:c1f:4839
12.31.72.58 0:0:0:0:0:ffff:c1f:483a
12.31.72.59 0:0:0:0:0:ffff:c1f:483b
12.31.72.60 0:0:0:0:0:ffff:c1f:483c


12.31.72.61 0:0:0:0:0:ffff:c1f:483d
12.31.72.62 0:0:0:0:0:ffff:c1f:483e
12.31.72.63 0:0:0:0:0:ffff:c1f:483f
12.31.72.64 0:0:0:0:0:ffff:c1f:4840
12.31.72.65 0:0:0:0:0:ffff:c1f:4841
12.31.72.66 0:0:0:0:0:ffff:c1f:4842
12.31.72.67 0:0:0:0:0:ffff:c1f:4843
12.31.72.68 0:0:0:0:0:ffff:c1f:4844
12.31.72.69 0:0:0:0:0:ffff:c1f:4845
12.31.72.70 0:0:0:0:0:ffff:c1f:4846
12.31.72.71 0:0:0:0:0:ffff:c1f:4847
12.31.72.72 0:0:0:0:0:ffff:c1f:4848
12.31.72.73 0:0:0:0:0:ffff:c1f:4849
12.31.72.74 0:0:0:0:0:ffff:c1f:484a
12.31.72.75 0:0:0:0:0:ffff:c1f:484b
12.31.72.76 0:0:0:0:0:ffff:c1f:484c
12.31.72.77 0:0:0:0:0:ffff:c1f:484d
12.31.72.78 0:0:0:0:0:ffff:c1f:484e
12.31.72.79 0:0:0:0:0:ffff:c1f:484f
12.31.72.80 0:0:0:0:0:ffff:c1f:4850
12.31.72.81 0:0:0:0:0:ffff:c1f:4851
12.31.72.82 0:0:0:0:0:ffff:c1f:4852
12.31.72.83 0:0:0:0:0:ffff:c1f:4853
12.31.72.84 0:0:0:0:0:ffff:c1f:4854
12.31.72.85 0:0:0:0:0:ffff:c1f:4855
12.31.72.86 0:0:0:0:0:ffff:c1f:4856
12.31.72.87 0:0:0:0:0:ffff:c1f:4857
12.31.72.88 0:0:0:0:0:ffff:c1f:4858
12.31.72.89 0:0:0:0:0:ffff:c1f:4859
12.31.72.90 0:0:0:0:0:ffff:c1f:485a
12.31.72.91 0:0:0:0:0:ffff:c1f:485b
12.31.72.92 0:0:0:0:0:ffff:c1f:485c
12.31.72.93 0:0:0:0:0:ffff:c1f:485d
12.31.72.94 0:0:0:0:0:ffff:c1f:485e
12.31.72.95 0:0:0:0:0:ffff:c1f:485f
12.31.72.96 0:0:0:0:0:ffff:c1f:4860
12.31.72.97 0:0:0:0:0:ffff:c1f:4861
12.31.72.98 0:0:0:0:0:ffff:c1f:4862
12.31.72.99 0:0:0:0:0:ffff:c1f:4863
12.31.72.100 0:0:0:0:0:ffff:c1f:4864
12.31.72.101 0:0:0:0:0:ffff:c1f:4865
12.31.72.102 0:0:0:0:0:ffff:c1f:4866
12.31.72.103 0:0:0:0:0:ffff:c1f:4867
12.31.72.104 0:0:0:0:0:ffff:c1f:4868
12.31.72.105 0:0:0:0:0:ffff:c1f:4869
12.31.72.106 0:0:0:0:0:ffff:c1f:486a
12.31.72.107 0:0:0:0:0:ffff:c1f:486b
12.31.72.108 0:0:0:0:0:ffff:c1f:486c
12.31.72.109 0:0:0:0:0:ffff:c1f:486d
12.31.72.110 0:0:0:0:0:ffff:c1f:486e
12.31.72.111 0:0:0:0:0:ffff:c1f:486f
12.31.72.112 0:0:0:0:0:ffff:c1f:4870
12.31.72.113 0:0:0:0:0:ffff:c1f:4871
12.31.72.114 0:0:0:0:0:ffff:c1f:4872
12.31.72.115 0:0:0:0:0:ffff:c1f:4873
12.31.72.116 0:0:0:0:0:ffff:c1f:4874
12.31.72.117 0:0:0:0:0:ffff:c1f:4875
12.31.72.118 0:0:0:0:0:ffff:c1f:4876
12.31.72.119 0:0:0:0:0:ffff:c1f:4877
12.31.72.120 0:0:0:0:0:ffff:c1f:4878


12.31.72.121 0:0:0:0:0:ffff:c1f:4879
12.31.72.122 0:0:0:0:0:ffff:c1f:487a
12.31.72.123 0:0:0:0:0:ffff:c1f:487b
12.31.72.124 0:0:0:0:0:ffff:c1f:487c
12.31.72.125 0:0:0:0:0:ffff:c1f:487d
12.31.72.126 0:0:0:0:0:ffff:c1f:487e
12.31.72.127 0:0:0:0:0:ffff:c1f:487f
12.31.72.128 0:0:0:0:0:ffff:c1f:4880
12.31.72.129 0:0:0:0:0:ffff:c1f:4881
12.31.72.130 0:0:0:0:0:ffff:c1f:4882
12.31.72.131 0:0:0:0:0:ffff:c1f:4883
12.31.72.132 0:0:0:0:0:ffff:c1f:4884
12.31.72.133 0:0:0:0:0:ffff:c1f:4885
12.31.72.134 0:0:0:0:0:ffff:c1f:4886
12.31.72.135 0:0:0:0:0:ffff:c1f:4887
12.31.72.136 0:0:0:0:0:ffff:c1f:4888
12.31.72.137 0:0:0:0:0:ffff:c1f:4889
12.31.72.138 0:0:0:0:0:ffff:c1f:488a
12.31.72.139 0:0:0:0:0:ffff:c1f:488b
12.31.72.140 0:0:0:0:0:ffff:c1f:488c
12.31.72.141 0:0:0:0:0:ffff:c1f:488d
12.31.72.142 0:0:0:0:0:ffff:c1f:488e
12.31.72.143 0:0:0:0:0:ffff:c1f:488f
12.31.72.144 0:0:0:0:0:ffff:c1f:4890
12.31.72.145 0:0:0:0:0:ffff:c1f:4891
12.31.72.146 0:0:0:0:0:ffff:c1f:4892
12.31.72.147 0:0:0:0:0:ffff:c1f:4893
12.31.72.148 0:0:0:0:0:ffff:c1f:4894
12.31.72.149 0:0:0:0:0:ffff:c1f:4895
12.31.72.150 0:0:0:0:0:ffff:c1f:4896
12.31.72.151 0:0:0:0:0:ffff:c1f:4897
12.31.72.152 0:0:0:0:0:ffff:c1f:4898
12.31.72.153 0:0:0:0:0:ffff:c1f:4899
12.31.72.154 0:0:0:0:0:ffff:c1f:489a
12.31.72.155 0:0:0:0:0:ffff:c1f:489b
12.31.72.156 0:0:0:0:0:ffff:c1f:489c
12.31.72.157 0:0:0:0:0:ffff:c1f:489d
12.31.72.158 0:0:0:0:0:ffff:c1f:489e
12.31.72.159 0:0:0:0:0:ffff:c1f:489f
12.31.72.160 0:0:0:0:0:ffff:c1f:48a0
12.31.72.161 0:0:0:0:0:ffff:c1f:48a1
12.31.72.162 0:0:0:0:0:ffff:c1f:48a2
12.31.72.163 0:0:0:0:0:ffff:c1f:48a3
12.31.72.164 0:0:0:0:0:ffff:c1f:48a4
12.31.72.165 0:0:0:0:0:ffff:c1f:48a5
12.31.72.166 0:0:0:0:0:ffff:c1f:48a6
12.31.72.167 0:0:0:0:0:ffff:c1f:48a7
12.31.72.168 0:0:0:0:0:ffff:c1f:48a8
12.31.72.169 0:0:0:0:0:ffff:c1f:48a9
12.31.72.170 0:0:0:0:0:ffff:c1f:48aa
12.31.72.171 0:0:0:0:0:ffff:c1f:48ab
12.31.72.172 0:0:0:0:0:ffff:c1f:48ac
12.31.72.173 0:0:0:0:0:ffff:c1f:48ad
12.31.72.174 0:0:0:0:0:ffff:c1f:48ae
12.31.72.175 0:0:0:0:0:ffff:c1f:48af
12.31.72.176 0:0:0:0:0:ffff:c1f:48b0
12.31.72.177 0:0:0:0:0:ffff:c1f:48b1
12.31.72.178 0:0:0:0:0:ffff:c1f:48b2
12.31.72.179 0:0:0:0:0:ffff:c1f:48b3
12.31.72.180 0:0:0:0:0:ffff:c1f:48b4


12.31.72.181 0:0:0:0:0:ffff:c1f:48b5
12.31.72.182 0:0:0:0:0:ffff:c1f:48b6
12.31.72.183 0:0:0:0:0:ffff:c1f:48b7
12.31.72.184 0:0:0:0:0:ffff:c1f:48b8
12.31.72.185 0:0:0:0:0:ffff:c1f:48b9
12.31.72.186 0:0:0:0:0:ffff:c1f:48ba
12.31.72.187 0:0:0:0:0:ffff:c1f:48bb
12.31.72.188 0:0:0:0:0:ffff:c1f:48bc
12.31.72.189 0:0:0:0:0:ffff:c1f:48bd
12.31.72.190 0:0:0:0:0:ffff:c1f:48be
12.31.72.191 0:0:0:0:0:ffff:c1f:48bf
12.31.72.192 0:0:0:0:0:ffff:c1f:48c0
12.31.72.193 0:0:0:0:0:ffff:c1f:48c1
12.31.72.194 0:0:0:0:0:ffff:c1f:48c2
12.31.72.195 0:0:0:0:0:ffff:c1f:48c3
12.31.72.196 0:0:0:0:0:ffff:c1f:48c4
12.31.72.197 0:0:0:0:0:ffff:c1f:48c5
12.31.72.198 0:0:0:0:0:ffff:c1f:48c6
12.31.72.199 0:0:0:0:0:ffff:c1f:48c7
12.31.72.200 0:0:0:0:0:ffff:c1f:48c8
12.31.72.201 0:0:0:0:0:ffff:c1f:48c9
12.31.72.202 0:0:0:0:0:ffff:c1f:48ca
12.31.72.203 0:0:0:0:0:ffff:c1f:48cb
12.31.72.204 0:0:0:0:0:ffff:c1f:48cc
12.31.72.205 0:0:0:0:0:ffff:c1f:48cd
12.31.72.206 0:0:0:0:0:ffff:c1f:48ce
12.31.72.207 0:0:0:0:0:ffff:c1f:48cf
12.31.72.208 0:0:0:0:0:ffff:c1f:48d0
12.31.72.209 0:0:0:0:0:ffff:c1f:48d1
12.31.72.210 0:0:0:0:0:ffff:c1f:48d2
12.31.72.211 0:0:0:0:0:ffff:c1f:48d3
12.31.72.212 0:0:0:0:0:ffff:c1f:48d4
12.31.72.213 0:0:0:0:0:ffff:c1f:48d5
12.31.72.214 0:0:0:0:0:ffff:c1f:48d6
12.31.72.215 0:0:0:0:0:ffff:c1f:48d7
12.31.72.216 0:0:0:0:0:ffff:c1f:48d8
12.31.72.217 0:0:0:0:0:ffff:c1f:48d9
12.31.72.218 0:0:0:0:0:ffff:c1f:48da
12.31.72.219 0:0:0:0:0:ffff:c1f:48db
12.31.72.220 0:0:0:0:0:ffff:c1f:48dc
12.31.72.221 0:0:0:0:0:ffff:c1f:48dd
12.31.72.222 0:0:0:0:0:ffff:c1f:48de
12.31.72.223 0:0:0:0:0:ffff:c1f:48df
12.31.72.224 0:0:0:0:0:ffff:c1f:48e0
12.31.72.225 0:0:0:0:0:ffff:c1f:48e1
12.31.72.226 0:0:0:0:0:ffff:c1f:48e2
12.31.72.227 0:0:0:0:0:ffff:c1f:48e3
12.31.72.228 0:0:0:0:0:ffff:c1f:48e4
12.31.72.229 0:0:0:0:0:ffff:c1f:48e5
12.31.72.230 0:0:0:0:0:ffff:c1f:48e6
12.31.72.231 0:0:0:0:0:ffff:c1f:48e7
12.31.72.232 0:0:0:0:0:ffff:c1f:48e8
12.31.72.233 0:0:0:0:0:ffff:c1f:48e9
12.31.72.234 0:0:0:0:0:ffff:c1f:48ea
12.31.72.235 0:0:0:0:0:ffff:c1f:48eb
12.31.72.236 0:0:0:0:0:ffff:c1f:48ec
12.31.72.237 0:0:0:0:0:ffff:c1f:48ed
12.31.72.238 0:0:0:0:0:ffff:c1f:48ee
12.31.72.239 0:0:0:0:0:ffff:c1f:48ef
12.31.72.240 0:0:0:0:0:ffff:c1f:48f0
12.31.72.241 0:0:0:0:0:ffff:c1f:48f1
12.31.72.242 0:0:0:0:0:ffff:c1f:48f2
12.31.72.243 0:0:0:0:0:ffff:c1f:48f3
12.31.72.244 0:0:0:0:0:ffff:c1f:48f4
12.31.72.245 0:0:0:0:0:ffff:c1f:48f5
12.31.72.246 0:0:0:0:0:ffff:c1f:48f6
12.31.72.247 0:0:0:0:0:ffff:c1f:48f7
12.31.72.248 0:0:0:0:0:ffff:c1f:48f8
12.31.72.249 0:0:0:0:0:ffff:c1f:48f9
12.31.72.250 0:0:0:0:0:ffff:c1f:48fa
12.31.72.251 0:0:0:0:0:ffff:c1f:48fb
12.31.72.252 0:0:0:0:0:ffff:c1f:48fc
12.31.72.253 0:0:0:0:0:ffff:c1f:48fd
12.31.72.254 0:0:0:0:0:ffff:c1f:48fe
12.31.72.255 0:0:0:0:0:ffff:c1f: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.