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
164.185.72.1 0:0:0:0:0:ffff:a4b9:4801
164.185.72.2 0:0:0:0:0:ffff:a4b9:4802
164.185.72.3 0:0:0:0:0:ffff:a4b9:4803
164.185.72.4 0:0:0:0:0:ffff:a4b9:4804
164.185.72.5 0:0:0:0:0:ffff:a4b9:4805
164.185.72.6 0:0:0:0:0:ffff:a4b9:4806
164.185.72.7 0:0:0:0:0:ffff:a4b9:4807
164.185.72.8 0:0:0:0:0:ffff:a4b9:4808
164.185.72.9 0:0:0:0:0:ffff:a4b9:4809
164.185.72.10 0:0:0:0:0:ffff:a4b9:480a
164.185.72.11 0:0:0:0:0:ffff:a4b9:480b
164.185.72.12 0:0:0:0:0:ffff:a4b9:480c
164.185.72.13 0:0:0:0:0:ffff:a4b9:480d
164.185.72.14 0:0:0:0:0:ffff:a4b9:480e
164.185.72.15 0:0:0:0:0:ffff:a4b9:480f
164.185.72.16 0:0:0:0:0:ffff:a4b9:4810
164.185.72.17 0:0:0:0:0:ffff:a4b9:4811
164.185.72.18 0:0:0:0:0:ffff:a4b9:4812
164.185.72.19 0:0:0:0:0:ffff:a4b9:4813
164.185.72.20 0:0:0:0:0:ffff:a4b9:4814
164.185.72.21 0:0:0:0:0:ffff:a4b9:4815
164.185.72.22 0:0:0:0:0:ffff:a4b9:4816
164.185.72.23 0:0:0:0:0:ffff:a4b9:4817
164.185.72.24 0:0:0:0:0:ffff:a4b9:4818
164.185.72.25 0:0:0:0:0:ffff:a4b9:4819
164.185.72.26 0:0:0:0:0:ffff:a4b9:481a
164.185.72.27 0:0:0:0:0:ffff:a4b9:481b
164.185.72.28 0:0:0:0:0:ffff:a4b9:481c
164.185.72.29 0:0:0:0:0:ffff:a4b9:481d
164.185.72.30 0:0:0:0:0:ffff:a4b9:481e
164.185.72.31 0:0:0:0:0:ffff:a4b9:481f
164.185.72.32 0:0:0:0:0:ffff:a4b9:4820
164.185.72.33 0:0:0:0:0:ffff:a4b9:4821
164.185.72.34 0:0:0:0:0:ffff:a4b9:4822
164.185.72.35 0:0:0:0:0:ffff:a4b9:4823
164.185.72.36 0:0:0:0:0:ffff:a4b9:4824
164.185.72.37 0:0:0:0:0:ffff:a4b9:4825
164.185.72.38 0:0:0:0:0:ffff:a4b9:4826
164.185.72.39 0:0:0:0:0:ffff:a4b9:4827
164.185.72.40 0:0:0:0:0:ffff:a4b9:4828
164.185.72.41 0:0:0:0:0:ffff:a4b9:4829
164.185.72.42 0:0:0:0:0:ffff:a4b9:482a
164.185.72.43 0:0:0:0:0:ffff:a4b9:482b
164.185.72.44 0:0:0:0:0:ffff:a4b9:482c
164.185.72.45 0:0:0:0:0:ffff:a4b9:482d
164.185.72.46 0:0:0:0:0:ffff:a4b9:482e
164.185.72.47 0:0:0:0:0:ffff:a4b9:482f
164.185.72.48 0:0:0:0:0:ffff:a4b9:4830
164.185.72.49 0:0:0:0:0:ffff:a4b9:4831
164.185.72.50 0:0:0:0:0:ffff:a4b9:4832
164.185.72.51 0:0:0:0:0:ffff:a4b9:4833
164.185.72.52 0:0:0:0:0:ffff:a4b9:4834
164.185.72.53 0:0:0:0:0:ffff:a4b9:4835
164.185.72.54 0:0:0:0:0:ffff:a4b9:4836
164.185.72.55 0:0:0:0:0:ffff:a4b9:4837
164.185.72.56 0:0:0:0:0:ffff:a4b9:4838
164.185.72.57 0:0:0:0:0:ffff:a4b9:4839
164.185.72.58 0:0:0:0:0:ffff:a4b9:483a
164.185.72.59 0:0:0:0:0:ffff:a4b9:483b
164.185.72.60 0:0:0:0:0:ffff:a4b9:483c


164.185.72.61 0:0:0:0:0:ffff:a4b9:483d
164.185.72.62 0:0:0:0:0:ffff:a4b9:483e
164.185.72.63 0:0:0:0:0:ffff:a4b9:483f
164.185.72.64 0:0:0:0:0:ffff:a4b9:4840
164.185.72.65 0:0:0:0:0:ffff:a4b9:4841
164.185.72.66 0:0:0:0:0:ffff:a4b9:4842
164.185.72.67 0:0:0:0:0:ffff:a4b9:4843
164.185.72.68 0:0:0:0:0:ffff:a4b9:4844
164.185.72.69 0:0:0:0:0:ffff:a4b9:4845
164.185.72.70 0:0:0:0:0:ffff:a4b9:4846
164.185.72.71 0:0:0:0:0:ffff:a4b9:4847
164.185.72.72 0:0:0:0:0:ffff:a4b9:4848
164.185.72.73 0:0:0:0:0:ffff:a4b9:4849
164.185.72.74 0:0:0:0:0:ffff:a4b9:484a
164.185.72.75 0:0:0:0:0:ffff:a4b9:484b
164.185.72.76 0:0:0:0:0:ffff:a4b9:484c
164.185.72.77 0:0:0:0:0:ffff:a4b9:484d
164.185.72.78 0:0:0:0:0:ffff:a4b9:484e
164.185.72.79 0:0:0:0:0:ffff:a4b9:484f
164.185.72.80 0:0:0:0:0:ffff:a4b9:4850
164.185.72.81 0:0:0:0:0:ffff:a4b9:4851
164.185.72.82 0:0:0:0:0:ffff:a4b9:4852
164.185.72.83 0:0:0:0:0:ffff:a4b9:4853
164.185.72.84 0:0:0:0:0:ffff:a4b9:4854
164.185.72.85 0:0:0:0:0:ffff:a4b9:4855
164.185.72.86 0:0:0:0:0:ffff:a4b9:4856
164.185.72.87 0:0:0:0:0:ffff:a4b9:4857
164.185.72.88 0:0:0:0:0:ffff:a4b9:4858
164.185.72.89 0:0:0:0:0:ffff:a4b9:4859
164.185.72.90 0:0:0:0:0:ffff:a4b9:485a
164.185.72.91 0:0:0:0:0:ffff:a4b9:485b
164.185.72.92 0:0:0:0:0:ffff:a4b9:485c
164.185.72.93 0:0:0:0:0:ffff:a4b9:485d
164.185.72.94 0:0:0:0:0:ffff:a4b9:485e
164.185.72.95 0:0:0:0:0:ffff:a4b9:485f
164.185.72.96 0:0:0:0:0:ffff:a4b9:4860
164.185.72.97 0:0:0:0:0:ffff:a4b9:4861
164.185.72.98 0:0:0:0:0:ffff:a4b9:4862
164.185.72.99 0:0:0:0:0:ffff:a4b9:4863
164.185.72.100 0:0:0:0:0:ffff:a4b9:4864
164.185.72.101 0:0:0:0:0:ffff:a4b9:4865
164.185.72.102 0:0:0:0:0:ffff:a4b9:4866
164.185.72.103 0:0:0:0:0:ffff:a4b9:4867
164.185.72.104 0:0:0:0:0:ffff:a4b9:4868
164.185.72.105 0:0:0:0:0:ffff:a4b9:4869
164.185.72.106 0:0:0:0:0:ffff:a4b9:486a
164.185.72.107 0:0:0:0:0:ffff:a4b9:486b
164.185.72.108 0:0:0:0:0:ffff:a4b9:486c
164.185.72.109 0:0:0:0:0:ffff:a4b9:486d
164.185.72.110 0:0:0:0:0:ffff:a4b9:486e
164.185.72.111 0:0:0:0:0:ffff:a4b9:486f
164.185.72.112 0:0:0:0:0:ffff:a4b9:4870
164.185.72.113 0:0:0:0:0:ffff:a4b9:4871
164.185.72.114 0:0:0:0:0:ffff:a4b9:4872
164.185.72.115 0:0:0:0:0:ffff:a4b9:4873
164.185.72.116 0:0:0:0:0:ffff:a4b9:4874
164.185.72.117 0:0:0:0:0:ffff:a4b9:4875
164.185.72.118 0:0:0:0:0:ffff:a4b9:4876
164.185.72.119 0:0:0:0:0:ffff:a4b9:4877
164.185.72.120 0:0:0:0:0:ffff:a4b9:4878


164.185.72.121 0:0:0:0:0:ffff:a4b9:4879
164.185.72.122 0:0:0:0:0:ffff:a4b9:487a
164.185.72.123 0:0:0:0:0:ffff:a4b9:487b
164.185.72.124 0:0:0:0:0:ffff:a4b9:487c
164.185.72.125 0:0:0:0:0:ffff:a4b9:487d
164.185.72.126 0:0:0:0:0:ffff:a4b9:487e
164.185.72.127 0:0:0:0:0:ffff:a4b9:487f
164.185.72.128 0:0:0:0:0:ffff:a4b9:4880
164.185.72.129 0:0:0:0:0:ffff:a4b9:4881
164.185.72.130 0:0:0:0:0:ffff:a4b9:4882
164.185.72.131 0:0:0:0:0:ffff:a4b9:4883
164.185.72.132 0:0:0:0:0:ffff:a4b9:4884
164.185.72.133 0:0:0:0:0:ffff:a4b9:4885
164.185.72.134 0:0:0:0:0:ffff:a4b9:4886
164.185.72.135 0:0:0:0:0:ffff:a4b9:4887
164.185.72.136 0:0:0:0:0:ffff:a4b9:4888
164.185.72.137 0:0:0:0:0:ffff:a4b9:4889
164.185.72.138 0:0:0:0:0:ffff:a4b9:488a
164.185.72.139 0:0:0:0:0:ffff:a4b9:488b
164.185.72.140 0:0:0:0:0:ffff:a4b9:488c
164.185.72.141 0:0:0:0:0:ffff:a4b9:488d
164.185.72.142 0:0:0:0:0:ffff:a4b9:488e
164.185.72.143 0:0:0:0:0:ffff:a4b9:488f
164.185.72.144 0:0:0:0:0:ffff:a4b9:4890
164.185.72.145 0:0:0:0:0:ffff:a4b9:4891
164.185.72.146 0:0:0:0:0:ffff:a4b9:4892
164.185.72.147 0:0:0:0:0:ffff:a4b9:4893
164.185.72.148 0:0:0:0:0:ffff:a4b9:4894
164.185.72.149 0:0:0:0:0:ffff:a4b9:4895
164.185.72.150 0:0:0:0:0:ffff:a4b9:4896
164.185.72.151 0:0:0:0:0:ffff:a4b9:4897
164.185.72.152 0:0:0:0:0:ffff:a4b9:4898
164.185.72.153 0:0:0:0:0:ffff:a4b9:4899
164.185.72.154 0:0:0:0:0:ffff:a4b9:489a
164.185.72.155 0:0:0:0:0:ffff:a4b9:489b
164.185.72.156 0:0:0:0:0:ffff:a4b9:489c
164.185.72.157 0:0:0:0:0:ffff:a4b9:489d
164.185.72.158 0:0:0:0:0:ffff:a4b9:489e
164.185.72.159 0:0:0:0:0:ffff:a4b9:489f
164.185.72.160 0:0:0:0:0:ffff:a4b9:48a0
164.185.72.161 0:0:0:0:0:ffff:a4b9:48a1
164.185.72.162 0:0:0:0:0:ffff:a4b9:48a2
164.185.72.163 0:0:0:0:0:ffff:a4b9:48a3
164.185.72.164 0:0:0:0:0:ffff:a4b9:48a4
164.185.72.165 0:0:0:0:0:ffff:a4b9:48a5
164.185.72.166 0:0:0:0:0:ffff:a4b9:48a6
164.185.72.167 0:0:0:0:0:ffff:a4b9:48a7
164.185.72.168 0:0:0:0:0:ffff:a4b9:48a8
164.185.72.169 0:0:0:0:0:ffff:a4b9:48a9
164.185.72.170 0:0:0:0:0:ffff:a4b9:48aa
164.185.72.171 0:0:0:0:0:ffff:a4b9:48ab
164.185.72.172 0:0:0:0:0:ffff:a4b9:48ac
164.185.72.173 0:0:0:0:0:ffff:a4b9:48ad
164.185.72.174 0:0:0:0:0:ffff:a4b9:48ae
164.185.72.175 0:0:0:0:0:ffff:a4b9:48af
164.185.72.176 0:0:0:0:0:ffff:a4b9:48b0
164.185.72.177 0:0:0:0:0:ffff:a4b9:48b1
164.185.72.178 0:0:0:0:0:ffff:a4b9:48b2
164.185.72.179 0:0:0:0:0:ffff:a4b9:48b3
164.185.72.180 0:0:0:0:0:ffff:a4b9:48b4


164.185.72.181 0:0:0:0:0:ffff:a4b9:48b5
164.185.72.182 0:0:0:0:0:ffff:a4b9:48b6
164.185.72.183 0:0:0:0:0:ffff:a4b9:48b7
164.185.72.184 0:0:0:0:0:ffff:a4b9:48b8
164.185.72.185 0:0:0:0:0:ffff:a4b9:48b9
164.185.72.186 0:0:0:0:0:ffff:a4b9:48ba
164.185.72.187 0:0:0:0:0:ffff:a4b9:48bb
164.185.72.188 0:0:0:0:0:ffff:a4b9:48bc
164.185.72.189 0:0:0:0:0:ffff:a4b9:48bd
164.185.72.190 0:0:0:0:0:ffff:a4b9:48be
164.185.72.191 0:0:0:0:0:ffff:a4b9:48bf
164.185.72.192 0:0:0:0:0:ffff:a4b9:48c0
164.185.72.193 0:0:0:0:0:ffff:a4b9:48c1
164.185.72.194 0:0:0:0:0:ffff:a4b9:48c2
164.185.72.195 0:0:0:0:0:ffff:a4b9:48c3
164.185.72.196 0:0:0:0:0:ffff:a4b9:48c4
164.185.72.197 0:0:0:0:0:ffff:a4b9:48c5
164.185.72.198 0:0:0:0:0:ffff:a4b9:48c6
164.185.72.199 0:0:0:0:0:ffff:a4b9:48c7
164.185.72.200 0:0:0:0:0:ffff:a4b9:48c8
164.185.72.201 0:0:0:0:0:ffff:a4b9:48c9
164.185.72.202 0:0:0:0:0:ffff:a4b9:48ca
164.185.72.203 0:0:0:0:0:ffff:a4b9:48cb
164.185.72.204 0:0:0:0:0:ffff:a4b9:48cc
164.185.72.205 0:0:0:0:0:ffff:a4b9:48cd
164.185.72.206 0:0:0:0:0:ffff:a4b9:48ce
164.185.72.207 0:0:0:0:0:ffff:a4b9:48cf
164.185.72.208 0:0:0:0:0:ffff:a4b9:48d0
164.185.72.209 0:0:0:0:0:ffff:a4b9:48d1
164.185.72.210 0:0:0:0:0:ffff:a4b9:48d2
164.185.72.211 0:0:0:0:0:ffff:a4b9:48d3
164.185.72.212 0:0:0:0:0:ffff:a4b9:48d4
164.185.72.213 0:0:0:0:0:ffff:a4b9:48d5
164.185.72.214 0:0:0:0:0:ffff:a4b9:48d6
164.185.72.215 0:0:0:0:0:ffff:a4b9:48d7
164.185.72.216 0:0:0:0:0:ffff:a4b9:48d8
164.185.72.217 0:0:0:0:0:ffff:a4b9:48d9
164.185.72.218 0:0:0:0:0:ffff:a4b9:48da
164.185.72.219 0:0:0:0:0:ffff:a4b9:48db
164.185.72.220 0:0:0:0:0:ffff:a4b9:48dc
164.185.72.221 0:0:0:0:0:ffff:a4b9:48dd
164.185.72.222 0:0:0:0:0:ffff:a4b9:48de
164.185.72.223 0:0:0:0:0:ffff:a4b9:48df
164.185.72.224 0:0:0:0:0:ffff:a4b9:48e0
164.185.72.225 0:0:0:0:0:ffff:a4b9:48e1
164.185.72.226 0:0:0:0:0:ffff:a4b9:48e2
164.185.72.227 0:0:0:0:0:ffff:a4b9:48e3
164.185.72.228 0:0:0:0:0:ffff:a4b9:48e4
164.185.72.229 0:0:0:0:0:ffff:a4b9:48e5
164.185.72.230 0:0:0:0:0:ffff:a4b9:48e6
164.185.72.231 0:0:0:0:0:ffff:a4b9:48e7
164.185.72.232 0:0:0:0:0:ffff:a4b9:48e8
164.185.72.233 0:0:0:0:0:ffff:a4b9:48e9
164.185.72.234 0:0:0:0:0:ffff:a4b9:48ea
164.185.72.235 0:0:0:0:0:ffff:a4b9:48eb
164.185.72.236 0:0:0:0:0:ffff:a4b9:48ec
164.185.72.237 0:0:0:0:0:ffff:a4b9:48ed
164.185.72.238 0:0:0:0:0:ffff:a4b9:48ee
164.185.72.239 0:0:0:0:0:ffff:a4b9:48ef
164.185.72.240 0:0:0:0:0:ffff:a4b9:48f0
164.185.72.241 0:0:0:0:0:ffff:a4b9:48f1
164.185.72.242 0:0:0:0:0:ffff:a4b9:48f2
164.185.72.243 0:0:0:0:0:ffff:a4b9:48f3
164.185.72.244 0:0:0:0:0:ffff:a4b9:48f4
164.185.72.245 0:0:0:0:0:ffff:a4b9:48f5
164.185.72.246 0:0:0:0:0:ffff:a4b9:48f6
164.185.72.247 0:0:0:0:0:ffff:a4b9:48f7
164.185.72.248 0:0:0:0:0:ffff:a4b9:48f8
164.185.72.249 0:0:0:0:0:ffff:a4b9:48f9
164.185.72.250 0:0:0:0:0:ffff:a4b9:48fa
164.185.72.251 0:0:0:0:0:ffff:a4b9:48fb
164.185.72.252 0:0:0:0:0:ffff:a4b9:48fc
164.185.72.253 0:0:0:0:0:ffff:a4b9:48fd
164.185.72.254 0:0:0:0:0:ffff:a4b9:48fe
164.185.72.255 0:0:0:0:0:ffff:a4b9:48ff


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.