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
173.45.72.1 0:0:0:0:0:ffff:ad2d:4801
173.45.72.2 0:0:0:0:0:ffff:ad2d:4802
173.45.72.3 0:0:0:0:0:ffff:ad2d:4803
173.45.72.4 0:0:0:0:0:ffff:ad2d:4804
173.45.72.5 0:0:0:0:0:ffff:ad2d:4805
173.45.72.6 0:0:0:0:0:ffff:ad2d:4806
173.45.72.7 0:0:0:0:0:ffff:ad2d:4807
173.45.72.8 0:0:0:0:0:ffff:ad2d:4808
173.45.72.9 0:0:0:0:0:ffff:ad2d:4809
173.45.72.10 0:0:0:0:0:ffff:ad2d:480a
173.45.72.11 0:0:0:0:0:ffff:ad2d:480b
173.45.72.12 0:0:0:0:0:ffff:ad2d:480c
173.45.72.13 0:0:0:0:0:ffff:ad2d:480d
173.45.72.14 0:0:0:0:0:ffff:ad2d:480e
173.45.72.15 0:0:0:0:0:ffff:ad2d:480f
173.45.72.16 0:0:0:0:0:ffff:ad2d:4810
173.45.72.17 0:0:0:0:0:ffff:ad2d:4811
173.45.72.18 0:0:0:0:0:ffff:ad2d:4812
173.45.72.19 0:0:0:0:0:ffff:ad2d:4813
173.45.72.20 0:0:0:0:0:ffff:ad2d:4814
173.45.72.21 0:0:0:0:0:ffff:ad2d:4815
173.45.72.22 0:0:0:0:0:ffff:ad2d:4816
173.45.72.23 0:0:0:0:0:ffff:ad2d:4817
173.45.72.24 0:0:0:0:0:ffff:ad2d:4818
173.45.72.25 0:0:0:0:0:ffff:ad2d:4819
173.45.72.26 0:0:0:0:0:ffff:ad2d:481a
173.45.72.27 0:0:0:0:0:ffff:ad2d:481b
173.45.72.28 0:0:0:0:0:ffff:ad2d:481c
173.45.72.29 0:0:0:0:0:ffff:ad2d:481d
173.45.72.30 0:0:0:0:0:ffff:ad2d:481e
173.45.72.31 0:0:0:0:0:ffff:ad2d:481f
173.45.72.32 0:0:0:0:0:ffff:ad2d:4820
173.45.72.33 0:0:0:0:0:ffff:ad2d:4821
173.45.72.34 0:0:0:0:0:ffff:ad2d:4822
173.45.72.35 0:0:0:0:0:ffff:ad2d:4823
173.45.72.36 0:0:0:0:0:ffff:ad2d:4824
173.45.72.37 0:0:0:0:0:ffff:ad2d:4825
173.45.72.38 0:0:0:0:0:ffff:ad2d:4826
173.45.72.39 0:0:0:0:0:ffff:ad2d:4827
173.45.72.40 0:0:0:0:0:ffff:ad2d:4828
173.45.72.41 0:0:0:0:0:ffff:ad2d:4829
173.45.72.42 0:0:0:0:0:ffff:ad2d:482a
173.45.72.43 0:0:0:0:0:ffff:ad2d:482b
173.45.72.44 0:0:0:0:0:ffff:ad2d:482c
173.45.72.45 0:0:0:0:0:ffff:ad2d:482d
173.45.72.46 0:0:0:0:0:ffff:ad2d:482e
173.45.72.47 0:0:0:0:0:ffff:ad2d:482f
173.45.72.48 0:0:0:0:0:ffff:ad2d:4830
173.45.72.49 0:0:0:0:0:ffff:ad2d:4831
173.45.72.50 0:0:0:0:0:ffff:ad2d:4832
173.45.72.51 0:0:0:0:0:ffff:ad2d:4833
173.45.72.52 0:0:0:0:0:ffff:ad2d:4834
173.45.72.53 0:0:0:0:0:ffff:ad2d:4835
173.45.72.54 0:0:0:0:0:ffff:ad2d:4836
173.45.72.55 0:0:0:0:0:ffff:ad2d:4837
173.45.72.56 0:0:0:0:0:ffff:ad2d:4838
173.45.72.57 0:0:0:0:0:ffff:ad2d:4839
173.45.72.58 0:0:0:0:0:ffff:ad2d:483a
173.45.72.59 0:0:0:0:0:ffff:ad2d:483b
173.45.72.60 0:0:0:0:0:ffff:ad2d:483c


173.45.72.61 0:0:0:0:0:ffff:ad2d:483d
173.45.72.62 0:0:0:0:0:ffff:ad2d:483e
173.45.72.63 0:0:0:0:0:ffff:ad2d:483f
173.45.72.64 0:0:0:0:0:ffff:ad2d:4840
173.45.72.65 0:0:0:0:0:ffff:ad2d:4841
173.45.72.66 0:0:0:0:0:ffff:ad2d:4842
173.45.72.67 0:0:0:0:0:ffff:ad2d:4843
173.45.72.68 0:0:0:0:0:ffff:ad2d:4844
173.45.72.69 0:0:0:0:0:ffff:ad2d:4845
173.45.72.70 0:0:0:0:0:ffff:ad2d:4846
173.45.72.71 0:0:0:0:0:ffff:ad2d:4847
173.45.72.72 0:0:0:0:0:ffff:ad2d:4848
173.45.72.73 0:0:0:0:0:ffff:ad2d:4849
173.45.72.74 0:0:0:0:0:ffff:ad2d:484a
173.45.72.75 0:0:0:0:0:ffff:ad2d:484b
173.45.72.76 0:0:0:0:0:ffff:ad2d:484c
173.45.72.77 0:0:0:0:0:ffff:ad2d:484d
173.45.72.78 0:0:0:0:0:ffff:ad2d:484e
173.45.72.79 0:0:0:0:0:ffff:ad2d:484f
173.45.72.80 0:0:0:0:0:ffff:ad2d:4850
173.45.72.81 0:0:0:0:0:ffff:ad2d:4851
173.45.72.82 0:0:0:0:0:ffff:ad2d:4852
173.45.72.83 0:0:0:0:0:ffff:ad2d:4853
173.45.72.84 0:0:0:0:0:ffff:ad2d:4854
173.45.72.85 0:0:0:0:0:ffff:ad2d:4855
173.45.72.86 0:0:0:0:0:ffff:ad2d:4856
173.45.72.87 0:0:0:0:0:ffff:ad2d:4857
173.45.72.88 0:0:0:0:0:ffff:ad2d:4858
173.45.72.89 0:0:0:0:0:ffff:ad2d:4859
173.45.72.90 0:0:0:0:0:ffff:ad2d:485a
173.45.72.91 0:0:0:0:0:ffff:ad2d:485b
173.45.72.92 0:0:0:0:0:ffff:ad2d:485c
173.45.72.93 0:0:0:0:0:ffff:ad2d:485d
173.45.72.94 0:0:0:0:0:ffff:ad2d:485e
173.45.72.95 0:0:0:0:0:ffff:ad2d:485f
173.45.72.96 0:0:0:0:0:ffff:ad2d:4860
173.45.72.97 0:0:0:0:0:ffff:ad2d:4861
173.45.72.98 0:0:0:0:0:ffff:ad2d:4862
173.45.72.99 0:0:0:0:0:ffff:ad2d:4863
173.45.72.100 0:0:0:0:0:ffff:ad2d:4864
173.45.72.101 0:0:0:0:0:ffff:ad2d:4865
173.45.72.102 0:0:0:0:0:ffff:ad2d:4866
173.45.72.103 0:0:0:0:0:ffff:ad2d:4867
173.45.72.104 0:0:0:0:0:ffff:ad2d:4868
173.45.72.105 0:0:0:0:0:ffff:ad2d:4869
173.45.72.106 0:0:0:0:0:ffff:ad2d:486a
173.45.72.107 0:0:0:0:0:ffff:ad2d:486b
173.45.72.108 0:0:0:0:0:ffff:ad2d:486c
173.45.72.109 0:0:0:0:0:ffff:ad2d:486d
173.45.72.110 0:0:0:0:0:ffff:ad2d:486e
173.45.72.111 0:0:0:0:0:ffff:ad2d:486f
173.45.72.112 0:0:0:0:0:ffff:ad2d:4870
173.45.72.113 0:0:0:0:0:ffff:ad2d:4871
173.45.72.114 0:0:0:0:0:ffff:ad2d:4872
173.45.72.115 0:0:0:0:0:ffff:ad2d:4873
173.45.72.116 0:0:0:0:0:ffff:ad2d:4874
173.45.72.117 0:0:0:0:0:ffff:ad2d:4875
173.45.72.118 0:0:0:0:0:ffff:ad2d:4876
173.45.72.119 0:0:0:0:0:ffff:ad2d:4877
173.45.72.120 0:0:0:0:0:ffff:ad2d:4878


173.45.72.121 0:0:0:0:0:ffff:ad2d:4879
173.45.72.122 0:0:0:0:0:ffff:ad2d:487a
173.45.72.123 0:0:0:0:0:ffff:ad2d:487b
173.45.72.124 0:0:0:0:0:ffff:ad2d:487c
173.45.72.125 0:0:0:0:0:ffff:ad2d:487d
173.45.72.126 0:0:0:0:0:ffff:ad2d:487e
173.45.72.127 0:0:0:0:0:ffff:ad2d:487f
173.45.72.128 0:0:0:0:0:ffff:ad2d:4880
173.45.72.129 0:0:0:0:0:ffff:ad2d:4881
173.45.72.130 0:0:0:0:0:ffff:ad2d:4882
173.45.72.131 0:0:0:0:0:ffff:ad2d:4883
173.45.72.132 0:0:0:0:0:ffff:ad2d:4884
173.45.72.133 0:0:0:0:0:ffff:ad2d:4885
173.45.72.134 0:0:0:0:0:ffff:ad2d:4886
173.45.72.135 0:0:0:0:0:ffff:ad2d:4887
173.45.72.136 0:0:0:0:0:ffff:ad2d:4888
173.45.72.137 0:0:0:0:0:ffff:ad2d:4889
173.45.72.138 0:0:0:0:0:ffff:ad2d:488a
173.45.72.139 0:0:0:0:0:ffff:ad2d:488b
173.45.72.140 0:0:0:0:0:ffff:ad2d:488c
173.45.72.141 0:0:0:0:0:ffff:ad2d:488d
173.45.72.142 0:0:0:0:0:ffff:ad2d:488e
173.45.72.143 0:0:0:0:0:ffff:ad2d:488f
173.45.72.144 0:0:0:0:0:ffff:ad2d:4890
173.45.72.145 0:0:0:0:0:ffff:ad2d:4891
173.45.72.146 0:0:0:0:0:ffff:ad2d:4892
173.45.72.147 0:0:0:0:0:ffff:ad2d:4893
173.45.72.148 0:0:0:0:0:ffff:ad2d:4894
173.45.72.149 0:0:0:0:0:ffff:ad2d:4895
173.45.72.150 0:0:0:0:0:ffff:ad2d:4896
173.45.72.151 0:0:0:0:0:ffff:ad2d:4897
173.45.72.152 0:0:0:0:0:ffff:ad2d:4898
173.45.72.153 0:0:0:0:0:ffff:ad2d:4899
173.45.72.154 0:0:0:0:0:ffff:ad2d:489a
173.45.72.155 0:0:0:0:0:ffff:ad2d:489b
173.45.72.156 0:0:0:0:0:ffff:ad2d:489c
173.45.72.157 0:0:0:0:0:ffff:ad2d:489d
173.45.72.158 0:0:0:0:0:ffff:ad2d:489e
173.45.72.159 0:0:0:0:0:ffff:ad2d:489f
173.45.72.160 0:0:0:0:0:ffff:ad2d:48a0
173.45.72.161 0:0:0:0:0:ffff:ad2d:48a1
173.45.72.162 0:0:0:0:0:ffff:ad2d:48a2
173.45.72.163 0:0:0:0:0:ffff:ad2d:48a3
173.45.72.164 0:0:0:0:0:ffff:ad2d:48a4
173.45.72.165 0:0:0:0:0:ffff:ad2d:48a5
173.45.72.166 0:0:0:0:0:ffff:ad2d:48a6
173.45.72.167 0:0:0:0:0:ffff:ad2d:48a7
173.45.72.168 0:0:0:0:0:ffff:ad2d:48a8
173.45.72.169 0:0:0:0:0:ffff:ad2d:48a9
173.45.72.170 0:0:0:0:0:ffff:ad2d:48aa
173.45.72.171 0:0:0:0:0:ffff:ad2d:48ab
173.45.72.172 0:0:0:0:0:ffff:ad2d:48ac
173.45.72.173 0:0:0:0:0:ffff:ad2d:48ad
173.45.72.174 0:0:0:0:0:ffff:ad2d:48ae
173.45.72.175 0:0:0:0:0:ffff:ad2d:48af
173.45.72.176 0:0:0:0:0:ffff:ad2d:48b0
173.45.72.177 0:0:0:0:0:ffff:ad2d:48b1
173.45.72.178 0:0:0:0:0:ffff:ad2d:48b2
173.45.72.179 0:0:0:0:0:ffff:ad2d:48b3
173.45.72.180 0:0:0:0:0:ffff:ad2d:48b4


173.45.72.181 0:0:0:0:0:ffff:ad2d:48b5
173.45.72.182 0:0:0:0:0:ffff:ad2d:48b6
173.45.72.183 0:0:0:0:0:ffff:ad2d:48b7
173.45.72.184 0:0:0:0:0:ffff:ad2d:48b8
173.45.72.185 0:0:0:0:0:ffff:ad2d:48b9
173.45.72.186 0:0:0:0:0:ffff:ad2d:48ba
173.45.72.187 0:0:0:0:0:ffff:ad2d:48bb
173.45.72.188 0:0:0:0:0:ffff:ad2d:48bc
173.45.72.189 0:0:0:0:0:ffff:ad2d:48bd
173.45.72.190 0:0:0:0:0:ffff:ad2d:48be
173.45.72.191 0:0:0:0:0:ffff:ad2d:48bf
173.45.72.192 0:0:0:0:0:ffff:ad2d:48c0
173.45.72.193 0:0:0:0:0:ffff:ad2d:48c1
173.45.72.194 0:0:0:0:0:ffff:ad2d:48c2
173.45.72.195 0:0:0:0:0:ffff:ad2d:48c3
173.45.72.196 0:0:0:0:0:ffff:ad2d:48c4
173.45.72.197 0:0:0:0:0:ffff:ad2d:48c5
173.45.72.198 0:0:0:0:0:ffff:ad2d:48c6
173.45.72.199 0:0:0:0:0:ffff:ad2d:48c7
173.45.72.200 0:0:0:0:0:ffff:ad2d:48c8
173.45.72.201 0:0:0:0:0:ffff:ad2d:48c9
173.45.72.202 0:0:0:0:0:ffff:ad2d:48ca
173.45.72.203 0:0:0:0:0:ffff:ad2d:48cb
173.45.72.204 0:0:0:0:0:ffff:ad2d:48cc
173.45.72.205 0:0:0:0:0:ffff:ad2d:48cd
173.45.72.206 0:0:0:0:0:ffff:ad2d:48ce
173.45.72.207 0:0:0:0:0:ffff:ad2d:48cf
173.45.72.208 0:0:0:0:0:ffff:ad2d:48d0
173.45.72.209 0:0:0:0:0:ffff:ad2d:48d1
173.45.72.210 0:0:0:0:0:ffff:ad2d:48d2
173.45.72.211 0:0:0:0:0:ffff:ad2d:48d3
173.45.72.212 0:0:0:0:0:ffff:ad2d:48d4
173.45.72.213 0:0:0:0:0:ffff:ad2d:48d5
173.45.72.214 0:0:0:0:0:ffff:ad2d:48d6
173.45.72.215 0:0:0:0:0:ffff:ad2d:48d7
173.45.72.216 0:0:0:0:0:ffff:ad2d:48d8
173.45.72.217 0:0:0:0:0:ffff:ad2d:48d9
173.45.72.218 0:0:0:0:0:ffff:ad2d:48da
173.45.72.219 0:0:0:0:0:ffff:ad2d:48db
173.45.72.220 0:0:0:0:0:ffff:ad2d:48dc
173.45.72.221 0:0:0:0:0:ffff:ad2d:48dd
173.45.72.222 0:0:0:0:0:ffff:ad2d:48de
173.45.72.223 0:0:0:0:0:ffff:ad2d:48df
173.45.72.224 0:0:0:0:0:ffff:ad2d:48e0
173.45.72.225 0:0:0:0:0:ffff:ad2d:48e1
173.45.72.226 0:0:0:0:0:ffff:ad2d:48e2
173.45.72.227 0:0:0:0:0:ffff:ad2d:48e3
173.45.72.228 0:0:0:0:0:ffff:ad2d:48e4
173.45.72.229 0:0:0:0:0:ffff:ad2d:48e5
173.45.72.230 0:0:0:0:0:ffff:ad2d:48e6
173.45.72.231 0:0:0:0:0:ffff:ad2d:48e7
173.45.72.232 0:0:0:0:0:ffff:ad2d:48e8
173.45.72.233 0:0:0:0:0:ffff:ad2d:48e9
173.45.72.234 0:0:0:0:0:ffff:ad2d:48ea
173.45.72.235 0:0:0:0:0:ffff:ad2d:48eb
173.45.72.236 0:0:0:0:0:ffff:ad2d:48ec
173.45.72.237 0:0:0:0:0:ffff:ad2d:48ed
173.45.72.238 0:0:0:0:0:ffff:ad2d:48ee
173.45.72.239 0:0:0:0:0:ffff:ad2d:48ef
173.45.72.240 0:0:0:0:0:ffff:ad2d:48f0
173.45.72.241 0:0:0:0:0:ffff:ad2d:48f1
173.45.72.242 0:0:0:0:0:ffff:ad2d:48f2
173.45.72.243 0:0:0:0:0:ffff:ad2d:48f3
173.45.72.244 0:0:0:0:0:ffff:ad2d:48f4
173.45.72.245 0:0:0:0:0:ffff:ad2d:48f5
173.45.72.246 0:0:0:0:0:ffff:ad2d:48f6
173.45.72.247 0:0:0:0:0:ffff:ad2d:48f7
173.45.72.248 0:0:0:0:0:ffff:ad2d:48f8
173.45.72.249 0:0:0:0:0:ffff:ad2d:48f9
173.45.72.250 0:0:0:0:0:ffff:ad2d:48fa
173.45.72.251 0:0:0:0:0:ffff:ad2d:48fb
173.45.72.252 0:0:0:0:0:ffff:ad2d:48fc
173.45.72.253 0:0:0:0:0:ffff:ad2d:48fd
173.45.72.254 0:0:0:0:0:ffff:ad2d:48fe
173.45.72.255 0:0:0:0:0:ffff:ad2d: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.