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
151.105.72.1 0:0:0:0:0:ffff:9769:4801
151.105.72.2 0:0:0:0:0:ffff:9769:4802
151.105.72.3 0:0:0:0:0:ffff:9769:4803
151.105.72.4 0:0:0:0:0:ffff:9769:4804
151.105.72.5 0:0:0:0:0:ffff:9769:4805
151.105.72.6 0:0:0:0:0:ffff:9769:4806
151.105.72.7 0:0:0:0:0:ffff:9769:4807
151.105.72.8 0:0:0:0:0:ffff:9769:4808
151.105.72.9 0:0:0:0:0:ffff:9769:4809
151.105.72.10 0:0:0:0:0:ffff:9769:480a
151.105.72.11 0:0:0:0:0:ffff:9769:480b
151.105.72.12 0:0:0:0:0:ffff:9769:480c
151.105.72.13 0:0:0:0:0:ffff:9769:480d
151.105.72.14 0:0:0:0:0:ffff:9769:480e
151.105.72.15 0:0:0:0:0:ffff:9769:480f
151.105.72.16 0:0:0:0:0:ffff:9769:4810
151.105.72.17 0:0:0:0:0:ffff:9769:4811
151.105.72.18 0:0:0:0:0:ffff:9769:4812
151.105.72.19 0:0:0:0:0:ffff:9769:4813
151.105.72.20 0:0:0:0:0:ffff:9769:4814
151.105.72.21 0:0:0:0:0:ffff:9769:4815
151.105.72.22 0:0:0:0:0:ffff:9769:4816
151.105.72.23 0:0:0:0:0:ffff:9769:4817
151.105.72.24 0:0:0:0:0:ffff:9769:4818
151.105.72.25 0:0:0:0:0:ffff:9769:4819
151.105.72.26 0:0:0:0:0:ffff:9769:481a
151.105.72.27 0:0:0:0:0:ffff:9769:481b
151.105.72.28 0:0:0:0:0:ffff:9769:481c
151.105.72.29 0:0:0:0:0:ffff:9769:481d
151.105.72.30 0:0:0:0:0:ffff:9769:481e
151.105.72.31 0:0:0:0:0:ffff:9769:481f
151.105.72.32 0:0:0:0:0:ffff:9769:4820
151.105.72.33 0:0:0:0:0:ffff:9769:4821
151.105.72.34 0:0:0:0:0:ffff:9769:4822
151.105.72.35 0:0:0:0:0:ffff:9769:4823
151.105.72.36 0:0:0:0:0:ffff:9769:4824
151.105.72.37 0:0:0:0:0:ffff:9769:4825
151.105.72.38 0:0:0:0:0:ffff:9769:4826
151.105.72.39 0:0:0:0:0:ffff:9769:4827
151.105.72.40 0:0:0:0:0:ffff:9769:4828
151.105.72.41 0:0:0:0:0:ffff:9769:4829
151.105.72.42 0:0:0:0:0:ffff:9769:482a
151.105.72.43 0:0:0:0:0:ffff:9769:482b
151.105.72.44 0:0:0:0:0:ffff:9769:482c
151.105.72.45 0:0:0:0:0:ffff:9769:482d
151.105.72.46 0:0:0:0:0:ffff:9769:482e
151.105.72.47 0:0:0:0:0:ffff:9769:482f
151.105.72.48 0:0:0:0:0:ffff:9769:4830
151.105.72.49 0:0:0:0:0:ffff:9769:4831
151.105.72.50 0:0:0:0:0:ffff:9769:4832
151.105.72.51 0:0:0:0:0:ffff:9769:4833
151.105.72.52 0:0:0:0:0:ffff:9769:4834
151.105.72.53 0:0:0:0:0:ffff:9769:4835
151.105.72.54 0:0:0:0:0:ffff:9769:4836
151.105.72.55 0:0:0:0:0:ffff:9769:4837
151.105.72.56 0:0:0:0:0:ffff:9769:4838
151.105.72.57 0:0:0:0:0:ffff:9769:4839
151.105.72.58 0:0:0:0:0:ffff:9769:483a
151.105.72.59 0:0:0:0:0:ffff:9769:483b
151.105.72.60 0:0:0:0:0:ffff:9769:483c


151.105.72.61 0:0:0:0:0:ffff:9769:483d
151.105.72.62 0:0:0:0:0:ffff:9769:483e
151.105.72.63 0:0:0:0:0:ffff:9769:483f
151.105.72.64 0:0:0:0:0:ffff:9769:4840
151.105.72.65 0:0:0:0:0:ffff:9769:4841
151.105.72.66 0:0:0:0:0:ffff:9769:4842
151.105.72.67 0:0:0:0:0:ffff:9769:4843
151.105.72.68 0:0:0:0:0:ffff:9769:4844
151.105.72.69 0:0:0:0:0:ffff:9769:4845
151.105.72.70 0:0:0:0:0:ffff:9769:4846
151.105.72.71 0:0:0:0:0:ffff:9769:4847
151.105.72.72 0:0:0:0:0:ffff:9769:4848
151.105.72.73 0:0:0:0:0:ffff:9769:4849
151.105.72.74 0:0:0:0:0:ffff:9769:484a
151.105.72.75 0:0:0:0:0:ffff:9769:484b
151.105.72.76 0:0:0:0:0:ffff:9769:484c
151.105.72.77 0:0:0:0:0:ffff:9769:484d
151.105.72.78 0:0:0:0:0:ffff:9769:484e
151.105.72.79 0:0:0:0:0:ffff:9769:484f
151.105.72.80 0:0:0:0:0:ffff:9769:4850
151.105.72.81 0:0:0:0:0:ffff:9769:4851
151.105.72.82 0:0:0:0:0:ffff:9769:4852
151.105.72.83 0:0:0:0:0:ffff:9769:4853
151.105.72.84 0:0:0:0:0:ffff:9769:4854
151.105.72.85 0:0:0:0:0:ffff:9769:4855
151.105.72.86 0:0:0:0:0:ffff:9769:4856
151.105.72.87 0:0:0:0:0:ffff:9769:4857
151.105.72.88 0:0:0:0:0:ffff:9769:4858
151.105.72.89 0:0:0:0:0:ffff:9769:4859
151.105.72.90 0:0:0:0:0:ffff:9769:485a
151.105.72.91 0:0:0:0:0:ffff:9769:485b
151.105.72.92 0:0:0:0:0:ffff:9769:485c
151.105.72.93 0:0:0:0:0:ffff:9769:485d
151.105.72.94 0:0:0:0:0:ffff:9769:485e
151.105.72.95 0:0:0:0:0:ffff:9769:485f
151.105.72.96 0:0:0:0:0:ffff:9769:4860
151.105.72.97 0:0:0:0:0:ffff:9769:4861
151.105.72.98 0:0:0:0:0:ffff:9769:4862
151.105.72.99 0:0:0:0:0:ffff:9769:4863
151.105.72.100 0:0:0:0:0:ffff:9769:4864
151.105.72.101 0:0:0:0:0:ffff:9769:4865
151.105.72.102 0:0:0:0:0:ffff:9769:4866
151.105.72.103 0:0:0:0:0:ffff:9769:4867
151.105.72.104 0:0:0:0:0:ffff:9769:4868
151.105.72.105 0:0:0:0:0:ffff:9769:4869
151.105.72.106 0:0:0:0:0:ffff:9769:486a
151.105.72.107 0:0:0:0:0:ffff:9769:486b
151.105.72.108 0:0:0:0:0:ffff:9769:486c
151.105.72.109 0:0:0:0:0:ffff:9769:486d
151.105.72.110 0:0:0:0:0:ffff:9769:486e
151.105.72.111 0:0:0:0:0:ffff:9769:486f
151.105.72.112 0:0:0:0:0:ffff:9769:4870
151.105.72.113 0:0:0:0:0:ffff:9769:4871
151.105.72.114 0:0:0:0:0:ffff:9769:4872
151.105.72.115 0:0:0:0:0:ffff:9769:4873
151.105.72.116 0:0:0:0:0:ffff:9769:4874
151.105.72.117 0:0:0:0:0:ffff:9769:4875
151.105.72.118 0:0:0:0:0:ffff:9769:4876
151.105.72.119 0:0:0:0:0:ffff:9769:4877
151.105.72.120 0:0:0:0:0:ffff:9769:4878


151.105.72.121 0:0:0:0:0:ffff:9769:4879
151.105.72.122 0:0:0:0:0:ffff:9769:487a
151.105.72.123 0:0:0:0:0:ffff:9769:487b
151.105.72.124 0:0:0:0:0:ffff:9769:487c
151.105.72.125 0:0:0:0:0:ffff:9769:487d
151.105.72.126 0:0:0:0:0:ffff:9769:487e
151.105.72.127 0:0:0:0:0:ffff:9769:487f
151.105.72.128 0:0:0:0:0:ffff:9769:4880
151.105.72.129 0:0:0:0:0:ffff:9769:4881
151.105.72.130 0:0:0:0:0:ffff:9769:4882
151.105.72.131 0:0:0:0:0:ffff:9769:4883
151.105.72.132 0:0:0:0:0:ffff:9769:4884
151.105.72.133 0:0:0:0:0:ffff:9769:4885
151.105.72.134 0:0:0:0:0:ffff:9769:4886
151.105.72.135 0:0:0:0:0:ffff:9769:4887
151.105.72.136 0:0:0:0:0:ffff:9769:4888
151.105.72.137 0:0:0:0:0:ffff:9769:4889
151.105.72.138 0:0:0:0:0:ffff:9769:488a
151.105.72.139 0:0:0:0:0:ffff:9769:488b
151.105.72.140 0:0:0:0:0:ffff:9769:488c
151.105.72.141 0:0:0:0:0:ffff:9769:488d
151.105.72.142 0:0:0:0:0:ffff:9769:488e
151.105.72.143 0:0:0:0:0:ffff:9769:488f
151.105.72.144 0:0:0:0:0:ffff:9769:4890
151.105.72.145 0:0:0:0:0:ffff:9769:4891
151.105.72.146 0:0:0:0:0:ffff:9769:4892
151.105.72.147 0:0:0:0:0:ffff:9769:4893
151.105.72.148 0:0:0:0:0:ffff:9769:4894
151.105.72.149 0:0:0:0:0:ffff:9769:4895
151.105.72.150 0:0:0:0:0:ffff:9769:4896
151.105.72.151 0:0:0:0:0:ffff:9769:4897
151.105.72.152 0:0:0:0:0:ffff:9769:4898
151.105.72.153 0:0:0:0:0:ffff:9769:4899
151.105.72.154 0:0:0:0:0:ffff:9769:489a
151.105.72.155 0:0:0:0:0:ffff:9769:489b
151.105.72.156 0:0:0:0:0:ffff:9769:489c
151.105.72.157 0:0:0:0:0:ffff:9769:489d
151.105.72.158 0:0:0:0:0:ffff:9769:489e
151.105.72.159 0:0:0:0:0:ffff:9769:489f
151.105.72.160 0:0:0:0:0:ffff:9769:48a0
151.105.72.161 0:0:0:0:0:ffff:9769:48a1
151.105.72.162 0:0:0:0:0:ffff:9769:48a2
151.105.72.163 0:0:0:0:0:ffff:9769:48a3
151.105.72.164 0:0:0:0:0:ffff:9769:48a4
151.105.72.165 0:0:0:0:0:ffff:9769:48a5
151.105.72.166 0:0:0:0:0:ffff:9769:48a6
151.105.72.167 0:0:0:0:0:ffff:9769:48a7
151.105.72.168 0:0:0:0:0:ffff:9769:48a8
151.105.72.169 0:0:0:0:0:ffff:9769:48a9
151.105.72.170 0:0:0:0:0:ffff:9769:48aa
151.105.72.171 0:0:0:0:0:ffff:9769:48ab
151.105.72.172 0:0:0:0:0:ffff:9769:48ac
151.105.72.173 0:0:0:0:0:ffff:9769:48ad
151.105.72.174 0:0:0:0:0:ffff:9769:48ae
151.105.72.175 0:0:0:0:0:ffff:9769:48af
151.105.72.176 0:0:0:0:0:ffff:9769:48b0
151.105.72.177 0:0:0:0:0:ffff:9769:48b1
151.105.72.178 0:0:0:0:0:ffff:9769:48b2
151.105.72.179 0:0:0:0:0:ffff:9769:48b3
151.105.72.180 0:0:0:0:0:ffff:9769:48b4


151.105.72.181 0:0:0:0:0:ffff:9769:48b5
151.105.72.182 0:0:0:0:0:ffff:9769:48b6
151.105.72.183 0:0:0:0:0:ffff:9769:48b7
151.105.72.184 0:0:0:0:0:ffff:9769:48b8
151.105.72.185 0:0:0:0:0:ffff:9769:48b9
151.105.72.186 0:0:0:0:0:ffff:9769:48ba
151.105.72.187 0:0:0:0:0:ffff:9769:48bb
151.105.72.188 0:0:0:0:0:ffff:9769:48bc
151.105.72.189 0:0:0:0:0:ffff:9769:48bd
151.105.72.190 0:0:0:0:0:ffff:9769:48be
151.105.72.191 0:0:0:0:0:ffff:9769:48bf
151.105.72.192 0:0:0:0:0:ffff:9769:48c0
151.105.72.193 0:0:0:0:0:ffff:9769:48c1
151.105.72.194 0:0:0:0:0:ffff:9769:48c2
151.105.72.195 0:0:0:0:0:ffff:9769:48c3
151.105.72.196 0:0:0:0:0:ffff:9769:48c4
151.105.72.197 0:0:0:0:0:ffff:9769:48c5
151.105.72.198 0:0:0:0:0:ffff:9769:48c6
151.105.72.199 0:0:0:0:0:ffff:9769:48c7
151.105.72.200 0:0:0:0:0:ffff:9769:48c8
151.105.72.201 0:0:0:0:0:ffff:9769:48c9
151.105.72.202 0:0:0:0:0:ffff:9769:48ca
151.105.72.203 0:0:0:0:0:ffff:9769:48cb
151.105.72.204 0:0:0:0:0:ffff:9769:48cc
151.105.72.205 0:0:0:0:0:ffff:9769:48cd
151.105.72.206 0:0:0:0:0:ffff:9769:48ce
151.105.72.207 0:0:0:0:0:ffff:9769:48cf
151.105.72.208 0:0:0:0:0:ffff:9769:48d0
151.105.72.209 0:0:0:0:0:ffff:9769:48d1
151.105.72.210 0:0:0:0:0:ffff:9769:48d2
151.105.72.211 0:0:0:0:0:ffff:9769:48d3
151.105.72.212 0:0:0:0:0:ffff:9769:48d4
151.105.72.213 0:0:0:0:0:ffff:9769:48d5
151.105.72.214 0:0:0:0:0:ffff:9769:48d6
151.105.72.215 0:0:0:0:0:ffff:9769:48d7
151.105.72.216 0:0:0:0:0:ffff:9769:48d8
151.105.72.217 0:0:0:0:0:ffff:9769:48d9
151.105.72.218 0:0:0:0:0:ffff:9769:48da
151.105.72.219 0:0:0:0:0:ffff:9769:48db
151.105.72.220 0:0:0:0:0:ffff:9769:48dc
151.105.72.221 0:0:0:0:0:ffff:9769:48dd
151.105.72.222 0:0:0:0:0:ffff:9769:48de
151.105.72.223 0:0:0:0:0:ffff:9769:48df
151.105.72.224 0:0:0:0:0:ffff:9769:48e0
151.105.72.225 0:0:0:0:0:ffff:9769:48e1
151.105.72.226 0:0:0:0:0:ffff:9769:48e2
151.105.72.227 0:0:0:0:0:ffff:9769:48e3
151.105.72.228 0:0:0:0:0:ffff:9769:48e4
151.105.72.229 0:0:0:0:0:ffff:9769:48e5
151.105.72.230 0:0:0:0:0:ffff:9769:48e6
151.105.72.231 0:0:0:0:0:ffff:9769:48e7
151.105.72.232 0:0:0:0:0:ffff:9769:48e8
151.105.72.233 0:0:0:0:0:ffff:9769:48e9
151.105.72.234 0:0:0:0:0:ffff:9769:48ea
151.105.72.235 0:0:0:0:0:ffff:9769:48eb
151.105.72.236 0:0:0:0:0:ffff:9769:48ec
151.105.72.237 0:0:0:0:0:ffff:9769:48ed
151.105.72.238 0:0:0:0:0:ffff:9769:48ee
151.105.72.239 0:0:0:0:0:ffff:9769:48ef
151.105.72.240 0:0:0:0:0:ffff:9769:48f0
151.105.72.241 0:0:0:0:0:ffff:9769:48f1
151.105.72.242 0:0:0:0:0:ffff:9769:48f2
151.105.72.243 0:0:0:0:0:ffff:9769:48f3
151.105.72.244 0:0:0:0:0:ffff:9769:48f4
151.105.72.245 0:0:0:0:0:ffff:9769:48f5
151.105.72.246 0:0:0:0:0:ffff:9769:48f6
151.105.72.247 0:0:0:0:0:ffff:9769:48f7
151.105.72.248 0:0:0:0:0:ffff:9769:48f8
151.105.72.249 0:0:0:0:0:ffff:9769:48f9
151.105.72.250 0:0:0:0:0:ffff:9769:48fa
151.105.72.251 0:0:0:0:0:ffff:9769:48fb
151.105.72.252 0:0:0:0:0:ffff:9769:48fc
151.105.72.253 0:0:0:0:0:ffff:9769:48fd
151.105.72.254 0:0:0:0:0:ffff:9769:48fe
151.105.72.255 0:0:0:0:0:ffff:9769:48ff


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.