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
145.146.72.1 0:0:0:0:0:ffff:9192:4801
145.146.72.2 0:0:0:0:0:ffff:9192:4802
145.146.72.3 0:0:0:0:0:ffff:9192:4803
145.146.72.4 0:0:0:0:0:ffff:9192:4804
145.146.72.5 0:0:0:0:0:ffff:9192:4805
145.146.72.6 0:0:0:0:0:ffff:9192:4806
145.146.72.7 0:0:0:0:0:ffff:9192:4807
145.146.72.8 0:0:0:0:0:ffff:9192:4808
145.146.72.9 0:0:0:0:0:ffff:9192:4809
145.146.72.10 0:0:0:0:0:ffff:9192:480a
145.146.72.11 0:0:0:0:0:ffff:9192:480b
145.146.72.12 0:0:0:0:0:ffff:9192:480c
145.146.72.13 0:0:0:0:0:ffff:9192:480d
145.146.72.14 0:0:0:0:0:ffff:9192:480e
145.146.72.15 0:0:0:0:0:ffff:9192:480f
145.146.72.16 0:0:0:0:0:ffff:9192:4810
145.146.72.17 0:0:0:0:0:ffff:9192:4811
145.146.72.18 0:0:0:0:0:ffff:9192:4812
145.146.72.19 0:0:0:0:0:ffff:9192:4813
145.146.72.20 0:0:0:0:0:ffff:9192:4814
145.146.72.21 0:0:0:0:0:ffff:9192:4815
145.146.72.22 0:0:0:0:0:ffff:9192:4816
145.146.72.23 0:0:0:0:0:ffff:9192:4817
145.146.72.24 0:0:0:0:0:ffff:9192:4818
145.146.72.25 0:0:0:0:0:ffff:9192:4819
145.146.72.26 0:0:0:0:0:ffff:9192:481a
145.146.72.27 0:0:0:0:0:ffff:9192:481b
145.146.72.28 0:0:0:0:0:ffff:9192:481c
145.146.72.29 0:0:0:0:0:ffff:9192:481d
145.146.72.30 0:0:0:0:0:ffff:9192:481e
145.146.72.31 0:0:0:0:0:ffff:9192:481f
145.146.72.32 0:0:0:0:0:ffff:9192:4820
145.146.72.33 0:0:0:0:0:ffff:9192:4821
145.146.72.34 0:0:0:0:0:ffff:9192:4822
145.146.72.35 0:0:0:0:0:ffff:9192:4823
145.146.72.36 0:0:0:0:0:ffff:9192:4824
145.146.72.37 0:0:0:0:0:ffff:9192:4825
145.146.72.38 0:0:0:0:0:ffff:9192:4826
145.146.72.39 0:0:0:0:0:ffff:9192:4827
145.146.72.40 0:0:0:0:0:ffff:9192:4828
145.146.72.41 0:0:0:0:0:ffff:9192:4829
145.146.72.42 0:0:0:0:0:ffff:9192:482a
145.146.72.43 0:0:0:0:0:ffff:9192:482b
145.146.72.44 0:0:0:0:0:ffff:9192:482c
145.146.72.45 0:0:0:0:0:ffff:9192:482d
145.146.72.46 0:0:0:0:0:ffff:9192:482e
145.146.72.47 0:0:0:0:0:ffff:9192:482f
145.146.72.48 0:0:0:0:0:ffff:9192:4830
145.146.72.49 0:0:0:0:0:ffff:9192:4831
145.146.72.50 0:0:0:0:0:ffff:9192:4832
145.146.72.51 0:0:0:0:0:ffff:9192:4833
145.146.72.52 0:0:0:0:0:ffff:9192:4834
145.146.72.53 0:0:0:0:0:ffff:9192:4835
145.146.72.54 0:0:0:0:0:ffff:9192:4836
145.146.72.55 0:0:0:0:0:ffff:9192:4837
145.146.72.56 0:0:0:0:0:ffff:9192:4838
145.146.72.57 0:0:0:0:0:ffff:9192:4839
145.146.72.58 0:0:0:0:0:ffff:9192:483a
145.146.72.59 0:0:0:0:0:ffff:9192:483b
145.146.72.60 0:0:0:0:0:ffff:9192:483c


145.146.72.61 0:0:0:0:0:ffff:9192:483d
145.146.72.62 0:0:0:0:0:ffff:9192:483e
145.146.72.63 0:0:0:0:0:ffff:9192:483f
145.146.72.64 0:0:0:0:0:ffff:9192:4840
145.146.72.65 0:0:0:0:0:ffff:9192:4841
145.146.72.66 0:0:0:0:0:ffff:9192:4842
145.146.72.67 0:0:0:0:0:ffff:9192:4843
145.146.72.68 0:0:0:0:0:ffff:9192:4844
145.146.72.69 0:0:0:0:0:ffff:9192:4845
145.146.72.70 0:0:0:0:0:ffff:9192:4846
145.146.72.71 0:0:0:0:0:ffff:9192:4847
145.146.72.72 0:0:0:0:0:ffff:9192:4848
145.146.72.73 0:0:0:0:0:ffff:9192:4849
145.146.72.74 0:0:0:0:0:ffff:9192:484a
145.146.72.75 0:0:0:0:0:ffff:9192:484b
145.146.72.76 0:0:0:0:0:ffff:9192:484c
145.146.72.77 0:0:0:0:0:ffff:9192:484d
145.146.72.78 0:0:0:0:0:ffff:9192:484e
145.146.72.79 0:0:0:0:0:ffff:9192:484f
145.146.72.80 0:0:0:0:0:ffff:9192:4850
145.146.72.81 0:0:0:0:0:ffff:9192:4851
145.146.72.82 0:0:0:0:0:ffff:9192:4852
145.146.72.83 0:0:0:0:0:ffff:9192:4853
145.146.72.84 0:0:0:0:0:ffff:9192:4854
145.146.72.85 0:0:0:0:0:ffff:9192:4855
145.146.72.86 0:0:0:0:0:ffff:9192:4856
145.146.72.87 0:0:0:0:0:ffff:9192:4857
145.146.72.88 0:0:0:0:0:ffff:9192:4858
145.146.72.89 0:0:0:0:0:ffff:9192:4859
145.146.72.90 0:0:0:0:0:ffff:9192:485a
145.146.72.91 0:0:0:0:0:ffff:9192:485b
145.146.72.92 0:0:0:0:0:ffff:9192:485c
145.146.72.93 0:0:0:0:0:ffff:9192:485d
145.146.72.94 0:0:0:0:0:ffff:9192:485e
145.146.72.95 0:0:0:0:0:ffff:9192:485f
145.146.72.96 0:0:0:0:0:ffff:9192:4860
145.146.72.97 0:0:0:0:0:ffff:9192:4861
145.146.72.98 0:0:0:0:0:ffff:9192:4862
145.146.72.99 0:0:0:0:0:ffff:9192:4863
145.146.72.100 0:0:0:0:0:ffff:9192:4864
145.146.72.101 0:0:0:0:0:ffff:9192:4865
145.146.72.102 0:0:0:0:0:ffff:9192:4866
145.146.72.103 0:0:0:0:0:ffff:9192:4867
145.146.72.104 0:0:0:0:0:ffff:9192:4868
145.146.72.105 0:0:0:0:0:ffff:9192:4869
145.146.72.106 0:0:0:0:0:ffff:9192:486a
145.146.72.107 0:0:0:0:0:ffff:9192:486b
145.146.72.108 0:0:0:0:0:ffff:9192:486c
145.146.72.109 0:0:0:0:0:ffff:9192:486d
145.146.72.110 0:0:0:0:0:ffff:9192:486e
145.146.72.111 0:0:0:0:0:ffff:9192:486f
145.146.72.112 0:0:0:0:0:ffff:9192:4870
145.146.72.113 0:0:0:0:0:ffff:9192:4871
145.146.72.114 0:0:0:0:0:ffff:9192:4872
145.146.72.115 0:0:0:0:0:ffff:9192:4873
145.146.72.116 0:0:0:0:0:ffff:9192:4874
145.146.72.117 0:0:0:0:0:ffff:9192:4875
145.146.72.118 0:0:0:0:0:ffff:9192:4876
145.146.72.119 0:0:0:0:0:ffff:9192:4877
145.146.72.120 0:0:0:0:0:ffff:9192:4878


145.146.72.121 0:0:0:0:0:ffff:9192:4879
145.146.72.122 0:0:0:0:0:ffff:9192:487a
145.146.72.123 0:0:0:0:0:ffff:9192:487b
145.146.72.124 0:0:0:0:0:ffff:9192:487c
145.146.72.125 0:0:0:0:0:ffff:9192:487d
145.146.72.126 0:0:0:0:0:ffff:9192:487e
145.146.72.127 0:0:0:0:0:ffff:9192:487f
145.146.72.128 0:0:0:0:0:ffff:9192:4880
145.146.72.129 0:0:0:0:0:ffff:9192:4881
145.146.72.130 0:0:0:0:0:ffff:9192:4882
145.146.72.131 0:0:0:0:0:ffff:9192:4883
145.146.72.132 0:0:0:0:0:ffff:9192:4884
145.146.72.133 0:0:0:0:0:ffff:9192:4885
145.146.72.134 0:0:0:0:0:ffff:9192:4886
145.146.72.135 0:0:0:0:0:ffff:9192:4887
145.146.72.136 0:0:0:0:0:ffff:9192:4888
145.146.72.137 0:0:0:0:0:ffff:9192:4889
145.146.72.138 0:0:0:0:0:ffff:9192:488a
145.146.72.139 0:0:0:0:0:ffff:9192:488b
145.146.72.140 0:0:0:0:0:ffff:9192:488c
145.146.72.141 0:0:0:0:0:ffff:9192:488d
145.146.72.142 0:0:0:0:0:ffff:9192:488e
145.146.72.143 0:0:0:0:0:ffff:9192:488f
145.146.72.144 0:0:0:0:0:ffff:9192:4890
145.146.72.145 0:0:0:0:0:ffff:9192:4891
145.146.72.146 0:0:0:0:0:ffff:9192:4892
145.146.72.147 0:0:0:0:0:ffff:9192:4893
145.146.72.148 0:0:0:0:0:ffff:9192:4894
145.146.72.149 0:0:0:0:0:ffff:9192:4895
145.146.72.150 0:0:0:0:0:ffff:9192:4896
145.146.72.151 0:0:0:0:0:ffff:9192:4897
145.146.72.152 0:0:0:0:0:ffff:9192:4898
145.146.72.153 0:0:0:0:0:ffff:9192:4899
145.146.72.154 0:0:0:0:0:ffff:9192:489a
145.146.72.155 0:0:0:0:0:ffff:9192:489b
145.146.72.156 0:0:0:0:0:ffff:9192:489c
145.146.72.157 0:0:0:0:0:ffff:9192:489d
145.146.72.158 0:0:0:0:0:ffff:9192:489e
145.146.72.159 0:0:0:0:0:ffff:9192:489f
145.146.72.160 0:0:0:0:0:ffff:9192:48a0
145.146.72.161 0:0:0:0:0:ffff:9192:48a1
145.146.72.162 0:0:0:0:0:ffff:9192:48a2
145.146.72.163 0:0:0:0:0:ffff:9192:48a3
145.146.72.164 0:0:0:0:0:ffff:9192:48a4
145.146.72.165 0:0:0:0:0:ffff:9192:48a5
145.146.72.166 0:0:0:0:0:ffff:9192:48a6
145.146.72.167 0:0:0:0:0:ffff:9192:48a7
145.146.72.168 0:0:0:0:0:ffff:9192:48a8
145.146.72.169 0:0:0:0:0:ffff:9192:48a9
145.146.72.170 0:0:0:0:0:ffff:9192:48aa
145.146.72.171 0:0:0:0:0:ffff:9192:48ab
145.146.72.172 0:0:0:0:0:ffff:9192:48ac
145.146.72.173 0:0:0:0:0:ffff:9192:48ad
145.146.72.174 0:0:0:0:0:ffff:9192:48ae
145.146.72.175 0:0:0:0:0:ffff:9192:48af
145.146.72.176 0:0:0:0:0:ffff:9192:48b0
145.146.72.177 0:0:0:0:0:ffff:9192:48b1
145.146.72.178 0:0:0:0:0:ffff:9192:48b2
145.146.72.179 0:0:0:0:0:ffff:9192:48b3
145.146.72.180 0:0:0:0:0:ffff:9192:48b4


145.146.72.181 0:0:0:0:0:ffff:9192:48b5
145.146.72.182 0:0:0:0:0:ffff:9192:48b6
145.146.72.183 0:0:0:0:0:ffff:9192:48b7
145.146.72.184 0:0:0:0:0:ffff:9192:48b8
145.146.72.185 0:0:0:0:0:ffff:9192:48b9
145.146.72.186 0:0:0:0:0:ffff:9192:48ba
145.146.72.187 0:0:0:0:0:ffff:9192:48bb
145.146.72.188 0:0:0:0:0:ffff:9192:48bc
145.146.72.189 0:0:0:0:0:ffff:9192:48bd
145.146.72.190 0:0:0:0:0:ffff:9192:48be
145.146.72.191 0:0:0:0:0:ffff:9192:48bf
145.146.72.192 0:0:0:0:0:ffff:9192:48c0
145.146.72.193 0:0:0:0:0:ffff:9192:48c1
145.146.72.194 0:0:0:0:0:ffff:9192:48c2
145.146.72.195 0:0:0:0:0:ffff:9192:48c3
145.146.72.196 0:0:0:0:0:ffff:9192:48c4
145.146.72.197 0:0:0:0:0:ffff:9192:48c5
145.146.72.198 0:0:0:0:0:ffff:9192:48c6
145.146.72.199 0:0:0:0:0:ffff:9192:48c7
145.146.72.200 0:0:0:0:0:ffff:9192:48c8
145.146.72.201 0:0:0:0:0:ffff:9192:48c9
145.146.72.202 0:0:0:0:0:ffff:9192:48ca
145.146.72.203 0:0:0:0:0:ffff:9192:48cb
145.146.72.204 0:0:0:0:0:ffff:9192:48cc
145.146.72.205 0:0:0:0:0:ffff:9192:48cd
145.146.72.206 0:0:0:0:0:ffff:9192:48ce
145.146.72.207 0:0:0:0:0:ffff:9192:48cf
145.146.72.208 0:0:0:0:0:ffff:9192:48d0
145.146.72.209 0:0:0:0:0:ffff:9192:48d1
145.146.72.210 0:0:0:0:0:ffff:9192:48d2
145.146.72.211 0:0:0:0:0:ffff:9192:48d3
145.146.72.212 0:0:0:0:0:ffff:9192:48d4
145.146.72.213 0:0:0:0:0:ffff:9192:48d5
145.146.72.214 0:0:0:0:0:ffff:9192:48d6
145.146.72.215 0:0:0:0:0:ffff:9192:48d7
145.146.72.216 0:0:0:0:0:ffff:9192:48d8
145.146.72.217 0:0:0:0:0:ffff:9192:48d9
145.146.72.218 0:0:0:0:0:ffff:9192:48da
145.146.72.219 0:0:0:0:0:ffff:9192:48db
145.146.72.220 0:0:0:0:0:ffff:9192:48dc
145.146.72.221 0:0:0:0:0:ffff:9192:48dd
145.146.72.222 0:0:0:0:0:ffff:9192:48de
145.146.72.223 0:0:0:0:0:ffff:9192:48df
145.146.72.224 0:0:0:0:0:ffff:9192:48e0
145.146.72.225 0:0:0:0:0:ffff:9192:48e1
145.146.72.226 0:0:0:0:0:ffff:9192:48e2
145.146.72.227 0:0:0:0:0:ffff:9192:48e3
145.146.72.228 0:0:0:0:0:ffff:9192:48e4
145.146.72.229 0:0:0:0:0:ffff:9192:48e5
145.146.72.230 0:0:0:0:0:ffff:9192:48e6
145.146.72.231 0:0:0:0:0:ffff:9192:48e7
145.146.72.232 0:0:0:0:0:ffff:9192:48e8
145.146.72.233 0:0:0:0:0:ffff:9192:48e9
145.146.72.234 0:0:0:0:0:ffff:9192:48ea
145.146.72.235 0:0:0:0:0:ffff:9192:48eb
145.146.72.236 0:0:0:0:0:ffff:9192:48ec
145.146.72.237 0:0:0:0:0:ffff:9192:48ed
145.146.72.238 0:0:0:0:0:ffff:9192:48ee
145.146.72.239 0:0:0:0:0:ffff:9192:48ef
145.146.72.240 0:0:0:0:0:ffff:9192:48f0
145.146.72.241 0:0:0:0:0:ffff:9192:48f1
145.146.72.242 0:0:0:0:0:ffff:9192:48f2
145.146.72.243 0:0:0:0:0:ffff:9192:48f3
145.146.72.244 0:0:0:0:0:ffff:9192:48f4
145.146.72.245 0:0:0:0:0:ffff:9192:48f5
145.146.72.246 0:0:0:0:0:ffff:9192:48f6
145.146.72.247 0:0:0:0:0:ffff:9192:48f7
145.146.72.248 0:0:0:0:0:ffff:9192:48f8
145.146.72.249 0:0:0:0:0:ffff:9192:48f9
145.146.72.250 0:0:0:0:0:ffff:9192:48fa
145.146.72.251 0:0:0:0:0:ffff:9192:48fb
145.146.72.252 0:0:0:0:0:ffff:9192:48fc
145.146.72.253 0:0:0:0:0:ffff:9192:48fd
145.146.72.254 0:0:0:0:0:ffff:9192:48fe
145.146.72.255 0:0:0:0:0:ffff:9192:48ff


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.