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
38.64.72.1 0:0:0:0:0:ffff:2640:4801
38.64.72.2 0:0:0:0:0:ffff:2640:4802
38.64.72.3 0:0:0:0:0:ffff:2640:4803
38.64.72.4 0:0:0:0:0:ffff:2640:4804
38.64.72.5 0:0:0:0:0:ffff:2640:4805
38.64.72.6 0:0:0:0:0:ffff:2640:4806
38.64.72.7 0:0:0:0:0:ffff:2640:4807
38.64.72.8 0:0:0:0:0:ffff:2640:4808
38.64.72.9 0:0:0:0:0:ffff:2640:4809
38.64.72.10 0:0:0:0:0:ffff:2640:480a
38.64.72.11 0:0:0:0:0:ffff:2640:480b
38.64.72.12 0:0:0:0:0:ffff:2640:480c
38.64.72.13 0:0:0:0:0:ffff:2640:480d
38.64.72.14 0:0:0:0:0:ffff:2640:480e
38.64.72.15 0:0:0:0:0:ffff:2640:480f
38.64.72.16 0:0:0:0:0:ffff:2640:4810
38.64.72.17 0:0:0:0:0:ffff:2640:4811
38.64.72.18 0:0:0:0:0:ffff:2640:4812
38.64.72.19 0:0:0:0:0:ffff:2640:4813
38.64.72.20 0:0:0:0:0:ffff:2640:4814
38.64.72.21 0:0:0:0:0:ffff:2640:4815
38.64.72.22 0:0:0:0:0:ffff:2640:4816
38.64.72.23 0:0:0:0:0:ffff:2640:4817
38.64.72.24 0:0:0:0:0:ffff:2640:4818
38.64.72.25 0:0:0:0:0:ffff:2640:4819
38.64.72.26 0:0:0:0:0:ffff:2640:481a
38.64.72.27 0:0:0:0:0:ffff:2640:481b
38.64.72.28 0:0:0:0:0:ffff:2640:481c
38.64.72.29 0:0:0:0:0:ffff:2640:481d
38.64.72.30 0:0:0:0:0:ffff:2640:481e
38.64.72.31 0:0:0:0:0:ffff:2640:481f
38.64.72.32 0:0:0:0:0:ffff:2640:4820
38.64.72.33 0:0:0:0:0:ffff:2640:4821
38.64.72.34 0:0:0:0:0:ffff:2640:4822
38.64.72.35 0:0:0:0:0:ffff:2640:4823
38.64.72.36 0:0:0:0:0:ffff:2640:4824
38.64.72.37 0:0:0:0:0:ffff:2640:4825
38.64.72.38 0:0:0:0:0:ffff:2640:4826
38.64.72.39 0:0:0:0:0:ffff:2640:4827
38.64.72.40 0:0:0:0:0:ffff:2640:4828
38.64.72.41 0:0:0:0:0:ffff:2640:4829
38.64.72.42 0:0:0:0:0:ffff:2640:482a
38.64.72.43 0:0:0:0:0:ffff:2640:482b
38.64.72.44 0:0:0:0:0:ffff:2640:482c
38.64.72.45 0:0:0:0:0:ffff:2640:482d
38.64.72.46 0:0:0:0:0:ffff:2640:482e
38.64.72.47 0:0:0:0:0:ffff:2640:482f
38.64.72.48 0:0:0:0:0:ffff:2640:4830
38.64.72.49 0:0:0:0:0:ffff:2640:4831
38.64.72.50 0:0:0:0:0:ffff:2640:4832
38.64.72.51 0:0:0:0:0:ffff:2640:4833
38.64.72.52 0:0:0:0:0:ffff:2640:4834
38.64.72.53 0:0:0:0:0:ffff:2640:4835
38.64.72.54 0:0:0:0:0:ffff:2640:4836
38.64.72.55 0:0:0:0:0:ffff:2640:4837
38.64.72.56 0:0:0:0:0:ffff:2640:4838
38.64.72.57 0:0:0:0:0:ffff:2640:4839
38.64.72.58 0:0:0:0:0:ffff:2640:483a
38.64.72.59 0:0:0:0:0:ffff:2640:483b
38.64.72.60 0:0:0:0:0:ffff:2640:483c


38.64.72.61 0:0:0:0:0:ffff:2640:483d
38.64.72.62 0:0:0:0:0:ffff:2640:483e
38.64.72.63 0:0:0:0:0:ffff:2640:483f
38.64.72.64 0:0:0:0:0:ffff:2640:4840
38.64.72.65 0:0:0:0:0:ffff:2640:4841
38.64.72.66 0:0:0:0:0:ffff:2640:4842
38.64.72.67 0:0:0:0:0:ffff:2640:4843
38.64.72.68 0:0:0:0:0:ffff:2640:4844
38.64.72.69 0:0:0:0:0:ffff:2640:4845
38.64.72.70 0:0:0:0:0:ffff:2640:4846
38.64.72.71 0:0:0:0:0:ffff:2640:4847
38.64.72.72 0:0:0:0:0:ffff:2640:4848
38.64.72.73 0:0:0:0:0:ffff:2640:4849
38.64.72.74 0:0:0:0:0:ffff:2640:484a
38.64.72.75 0:0:0:0:0:ffff:2640:484b
38.64.72.76 0:0:0:0:0:ffff:2640:484c
38.64.72.77 0:0:0:0:0:ffff:2640:484d
38.64.72.78 0:0:0:0:0:ffff:2640:484e
38.64.72.79 0:0:0:0:0:ffff:2640:484f
38.64.72.80 0:0:0:0:0:ffff:2640:4850
38.64.72.81 0:0:0:0:0:ffff:2640:4851
38.64.72.82 0:0:0:0:0:ffff:2640:4852
38.64.72.83 0:0:0:0:0:ffff:2640:4853
38.64.72.84 0:0:0:0:0:ffff:2640:4854
38.64.72.85 0:0:0:0:0:ffff:2640:4855
38.64.72.86 0:0:0:0:0:ffff:2640:4856
38.64.72.87 0:0:0:0:0:ffff:2640:4857
38.64.72.88 0:0:0:0:0:ffff:2640:4858
38.64.72.89 0:0:0:0:0:ffff:2640:4859
38.64.72.90 0:0:0:0:0:ffff:2640:485a
38.64.72.91 0:0:0:0:0:ffff:2640:485b
38.64.72.92 0:0:0:0:0:ffff:2640:485c
38.64.72.93 0:0:0:0:0:ffff:2640:485d
38.64.72.94 0:0:0:0:0:ffff:2640:485e
38.64.72.95 0:0:0:0:0:ffff:2640:485f
38.64.72.96 0:0:0:0:0:ffff:2640:4860
38.64.72.97 0:0:0:0:0:ffff:2640:4861
38.64.72.98 0:0:0:0:0:ffff:2640:4862
38.64.72.99 0:0:0:0:0:ffff:2640:4863
38.64.72.100 0:0:0:0:0:ffff:2640:4864
38.64.72.101 0:0:0:0:0:ffff:2640:4865
38.64.72.102 0:0:0:0:0:ffff:2640:4866
38.64.72.103 0:0:0:0:0:ffff:2640:4867
38.64.72.104 0:0:0:0:0:ffff:2640:4868
38.64.72.105 0:0:0:0:0:ffff:2640:4869
38.64.72.106 0:0:0:0:0:ffff:2640:486a
38.64.72.107 0:0:0:0:0:ffff:2640:486b
38.64.72.108 0:0:0:0:0:ffff:2640:486c
38.64.72.109 0:0:0:0:0:ffff:2640:486d
38.64.72.110 0:0:0:0:0:ffff:2640:486e
38.64.72.111 0:0:0:0:0:ffff:2640:486f
38.64.72.112 0:0:0:0:0:ffff:2640:4870
38.64.72.113 0:0:0:0:0:ffff:2640:4871
38.64.72.114 0:0:0:0:0:ffff:2640:4872
38.64.72.115 0:0:0:0:0:ffff:2640:4873
38.64.72.116 0:0:0:0:0:ffff:2640:4874
38.64.72.117 0:0:0:0:0:ffff:2640:4875
38.64.72.118 0:0:0:0:0:ffff:2640:4876
38.64.72.119 0:0:0:0:0:ffff:2640:4877
38.64.72.120 0:0:0:0:0:ffff:2640:4878


38.64.72.121 0:0:0:0:0:ffff:2640:4879
38.64.72.122 0:0:0:0:0:ffff:2640:487a
38.64.72.123 0:0:0:0:0:ffff:2640:487b
38.64.72.124 0:0:0:0:0:ffff:2640:487c
38.64.72.125 0:0:0:0:0:ffff:2640:487d
38.64.72.126 0:0:0:0:0:ffff:2640:487e
38.64.72.127 0:0:0:0:0:ffff:2640:487f
38.64.72.128 0:0:0:0:0:ffff:2640:4880
38.64.72.129 0:0:0:0:0:ffff:2640:4881
38.64.72.130 0:0:0:0:0:ffff:2640:4882
38.64.72.131 0:0:0:0:0:ffff:2640:4883
38.64.72.132 0:0:0:0:0:ffff:2640:4884
38.64.72.133 0:0:0:0:0:ffff:2640:4885
38.64.72.134 0:0:0:0:0:ffff:2640:4886
38.64.72.135 0:0:0:0:0:ffff:2640:4887
38.64.72.136 0:0:0:0:0:ffff:2640:4888
38.64.72.137 0:0:0:0:0:ffff:2640:4889
38.64.72.138 0:0:0:0:0:ffff:2640:488a
38.64.72.139 0:0:0:0:0:ffff:2640:488b
38.64.72.140 0:0:0:0:0:ffff:2640:488c
38.64.72.141 0:0:0:0:0:ffff:2640:488d
38.64.72.142 0:0:0:0:0:ffff:2640:488e
38.64.72.143 0:0:0:0:0:ffff:2640:488f
38.64.72.144 0:0:0:0:0:ffff:2640:4890
38.64.72.145 0:0:0:0:0:ffff:2640:4891
38.64.72.146 0:0:0:0:0:ffff:2640:4892
38.64.72.147 0:0:0:0:0:ffff:2640:4893
38.64.72.148 0:0:0:0:0:ffff:2640:4894
38.64.72.149 0:0:0:0:0:ffff:2640:4895
38.64.72.150 0:0:0:0:0:ffff:2640:4896
38.64.72.151 0:0:0:0:0:ffff:2640:4897
38.64.72.152 0:0:0:0:0:ffff:2640:4898
38.64.72.153 0:0:0:0:0:ffff:2640:4899
38.64.72.154 0:0:0:0:0:ffff:2640:489a
38.64.72.155 0:0:0:0:0:ffff:2640:489b
38.64.72.156 0:0:0:0:0:ffff:2640:489c
38.64.72.157 0:0:0:0:0:ffff:2640:489d
38.64.72.158 0:0:0:0:0:ffff:2640:489e
38.64.72.159 0:0:0:0:0:ffff:2640:489f
38.64.72.160 0:0:0:0:0:ffff:2640:48a0
38.64.72.161 0:0:0:0:0:ffff:2640:48a1
38.64.72.162 0:0:0:0:0:ffff:2640:48a2
38.64.72.163 0:0:0:0:0:ffff:2640:48a3
38.64.72.164 0:0:0:0:0:ffff:2640:48a4
38.64.72.165 0:0:0:0:0:ffff:2640:48a5
38.64.72.166 0:0:0:0:0:ffff:2640:48a6
38.64.72.167 0:0:0:0:0:ffff:2640:48a7
38.64.72.168 0:0:0:0:0:ffff:2640:48a8
38.64.72.169 0:0:0:0:0:ffff:2640:48a9
38.64.72.170 0:0:0:0:0:ffff:2640:48aa
38.64.72.171 0:0:0:0:0:ffff:2640:48ab
38.64.72.172 0:0:0:0:0:ffff:2640:48ac
38.64.72.173 0:0:0:0:0:ffff:2640:48ad
38.64.72.174 0:0:0:0:0:ffff:2640:48ae
38.64.72.175 0:0:0:0:0:ffff:2640:48af
38.64.72.176 0:0:0:0:0:ffff:2640:48b0
38.64.72.177 0:0:0:0:0:ffff:2640:48b1
38.64.72.178 0:0:0:0:0:ffff:2640:48b2
38.64.72.179 0:0:0:0:0:ffff:2640:48b3
38.64.72.180 0:0:0:0:0:ffff:2640:48b4


38.64.72.181 0:0:0:0:0:ffff:2640:48b5
38.64.72.182 0:0:0:0:0:ffff:2640:48b6
38.64.72.183 0:0:0:0:0:ffff:2640:48b7
38.64.72.184 0:0:0:0:0:ffff:2640:48b8
38.64.72.185 0:0:0:0:0:ffff:2640:48b9
38.64.72.186 0:0:0:0:0:ffff:2640:48ba
38.64.72.187 0:0:0:0:0:ffff:2640:48bb
38.64.72.188 0:0:0:0:0:ffff:2640:48bc
38.64.72.189 0:0:0:0:0:ffff:2640:48bd
38.64.72.190 0:0:0:0:0:ffff:2640:48be
38.64.72.191 0:0:0:0:0:ffff:2640:48bf
38.64.72.192 0:0:0:0:0:ffff:2640:48c0
38.64.72.193 0:0:0:0:0:ffff:2640:48c1
38.64.72.194 0:0:0:0:0:ffff:2640:48c2
38.64.72.195 0:0:0:0:0:ffff:2640:48c3
38.64.72.196 0:0:0:0:0:ffff:2640:48c4
38.64.72.197 0:0:0:0:0:ffff:2640:48c5
38.64.72.198 0:0:0:0:0:ffff:2640:48c6
38.64.72.199 0:0:0:0:0:ffff:2640:48c7
38.64.72.200 0:0:0:0:0:ffff:2640:48c8
38.64.72.201 0:0:0:0:0:ffff:2640:48c9
38.64.72.202 0:0:0:0:0:ffff:2640:48ca
38.64.72.203 0:0:0:0:0:ffff:2640:48cb
38.64.72.204 0:0:0:0:0:ffff:2640:48cc
38.64.72.205 0:0:0:0:0:ffff:2640:48cd
38.64.72.206 0:0:0:0:0:ffff:2640:48ce
38.64.72.207 0:0:0:0:0:ffff:2640:48cf
38.64.72.208 0:0:0:0:0:ffff:2640:48d0
38.64.72.209 0:0:0:0:0:ffff:2640:48d1
38.64.72.210 0:0:0:0:0:ffff:2640:48d2
38.64.72.211 0:0:0:0:0:ffff:2640:48d3
38.64.72.212 0:0:0:0:0:ffff:2640:48d4
38.64.72.213 0:0:0:0:0:ffff:2640:48d5
38.64.72.214 0:0:0:0:0:ffff:2640:48d6
38.64.72.215 0:0:0:0:0:ffff:2640:48d7
38.64.72.216 0:0:0:0:0:ffff:2640:48d8
38.64.72.217 0:0:0:0:0:ffff:2640:48d9
38.64.72.218 0:0:0:0:0:ffff:2640:48da
38.64.72.219 0:0:0:0:0:ffff:2640:48db
38.64.72.220 0:0:0:0:0:ffff:2640:48dc
38.64.72.221 0:0:0:0:0:ffff:2640:48dd
38.64.72.222 0:0:0:0:0:ffff:2640:48de
38.64.72.223 0:0:0:0:0:ffff:2640:48df
38.64.72.224 0:0:0:0:0:ffff:2640:48e0
38.64.72.225 0:0:0:0:0:ffff:2640:48e1
38.64.72.226 0:0:0:0:0:ffff:2640:48e2
38.64.72.227 0:0:0:0:0:ffff:2640:48e3
38.64.72.228 0:0:0:0:0:ffff:2640:48e4
38.64.72.229 0:0:0:0:0:ffff:2640:48e5
38.64.72.230 0:0:0:0:0:ffff:2640:48e6
38.64.72.231 0:0:0:0:0:ffff:2640:48e7
38.64.72.232 0:0:0:0:0:ffff:2640:48e8
38.64.72.233 0:0:0:0:0:ffff:2640:48e9
38.64.72.234 0:0:0:0:0:ffff:2640:48ea
38.64.72.235 0:0:0:0:0:ffff:2640:48eb
38.64.72.236 0:0:0:0:0:ffff:2640:48ec
38.64.72.237 0:0:0:0:0:ffff:2640:48ed
38.64.72.238 0:0:0:0:0:ffff:2640:48ee
38.64.72.239 0:0:0:0:0:ffff:2640:48ef
38.64.72.240 0:0:0:0:0:ffff:2640:48f0
38.64.72.241 0:0:0:0:0:ffff:2640:48f1
38.64.72.242 0:0:0:0:0:ffff:2640:48f2
38.64.72.243 0:0:0:0:0:ffff:2640:48f3
38.64.72.244 0:0:0:0:0:ffff:2640:48f4
38.64.72.245 0:0:0:0:0:ffff:2640:48f5
38.64.72.246 0:0:0:0:0:ffff:2640:48f6
38.64.72.247 0:0:0:0:0:ffff:2640:48f7
38.64.72.248 0:0:0:0:0:ffff:2640:48f8
38.64.72.249 0:0:0:0:0:ffff:2640:48f9
38.64.72.250 0:0:0:0:0:ffff:2640:48fa
38.64.72.251 0:0:0:0:0:ffff:2640:48fb
38.64.72.252 0:0:0:0:0:ffff:2640:48fc
38.64.72.253 0:0:0:0:0:ffff:2640:48fd
38.64.72.254 0:0:0:0:0:ffff:2640:48fe
38.64.72.255 0:0:0:0:0:ffff:2640:48ff


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.