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
123.244.72.1 0:0:0:0:0:ffff:7bf4:4801
123.244.72.2 0:0:0:0:0:ffff:7bf4:4802
123.244.72.3 0:0:0:0:0:ffff:7bf4:4803
123.244.72.4 0:0:0:0:0:ffff:7bf4:4804
123.244.72.5 0:0:0:0:0:ffff:7bf4:4805
123.244.72.6 0:0:0:0:0:ffff:7bf4:4806
123.244.72.7 0:0:0:0:0:ffff:7bf4:4807
123.244.72.8 0:0:0:0:0:ffff:7bf4:4808
123.244.72.9 0:0:0:0:0:ffff:7bf4:4809
123.244.72.10 0:0:0:0:0:ffff:7bf4:480a
123.244.72.11 0:0:0:0:0:ffff:7bf4:480b
123.244.72.12 0:0:0:0:0:ffff:7bf4:480c
123.244.72.13 0:0:0:0:0:ffff:7bf4:480d
123.244.72.14 0:0:0:0:0:ffff:7bf4:480e
123.244.72.15 0:0:0:0:0:ffff:7bf4:480f
123.244.72.16 0:0:0:0:0:ffff:7bf4:4810
123.244.72.17 0:0:0:0:0:ffff:7bf4:4811
123.244.72.18 0:0:0:0:0:ffff:7bf4:4812
123.244.72.19 0:0:0:0:0:ffff:7bf4:4813
123.244.72.20 0:0:0:0:0:ffff:7bf4:4814
123.244.72.21 0:0:0:0:0:ffff:7bf4:4815
123.244.72.22 0:0:0:0:0:ffff:7bf4:4816
123.244.72.23 0:0:0:0:0:ffff:7bf4:4817
123.244.72.24 0:0:0:0:0:ffff:7bf4:4818
123.244.72.25 0:0:0:0:0:ffff:7bf4:4819
123.244.72.26 0:0:0:0:0:ffff:7bf4:481a
123.244.72.27 0:0:0:0:0:ffff:7bf4:481b
123.244.72.28 0:0:0:0:0:ffff:7bf4:481c
123.244.72.29 0:0:0:0:0:ffff:7bf4:481d
123.244.72.30 0:0:0:0:0:ffff:7bf4:481e
123.244.72.31 0:0:0:0:0:ffff:7bf4:481f
123.244.72.32 0:0:0:0:0:ffff:7bf4:4820
123.244.72.33 0:0:0:0:0:ffff:7bf4:4821
123.244.72.34 0:0:0:0:0:ffff:7bf4:4822
123.244.72.35 0:0:0:0:0:ffff:7bf4:4823
123.244.72.36 0:0:0:0:0:ffff:7bf4:4824
123.244.72.37 0:0:0:0:0:ffff:7bf4:4825
123.244.72.38 0:0:0:0:0:ffff:7bf4:4826
123.244.72.39 0:0:0:0:0:ffff:7bf4:4827
123.244.72.40 0:0:0:0:0:ffff:7bf4:4828
123.244.72.41 0:0:0:0:0:ffff:7bf4:4829
123.244.72.42 0:0:0:0:0:ffff:7bf4:482a
123.244.72.43 0:0:0:0:0:ffff:7bf4:482b
123.244.72.44 0:0:0:0:0:ffff:7bf4:482c
123.244.72.45 0:0:0:0:0:ffff:7bf4:482d
123.244.72.46 0:0:0:0:0:ffff:7bf4:482e
123.244.72.47 0:0:0:0:0:ffff:7bf4:482f
123.244.72.48 0:0:0:0:0:ffff:7bf4:4830
123.244.72.49 0:0:0:0:0:ffff:7bf4:4831
123.244.72.50 0:0:0:0:0:ffff:7bf4:4832
123.244.72.51 0:0:0:0:0:ffff:7bf4:4833
123.244.72.52 0:0:0:0:0:ffff:7bf4:4834
123.244.72.53 0:0:0:0:0:ffff:7bf4:4835
123.244.72.54 0:0:0:0:0:ffff:7bf4:4836
123.244.72.55 0:0:0:0:0:ffff:7bf4:4837
123.244.72.56 0:0:0:0:0:ffff:7bf4:4838
123.244.72.57 0:0:0:0:0:ffff:7bf4:4839
123.244.72.58 0:0:0:0:0:ffff:7bf4:483a
123.244.72.59 0:0:0:0:0:ffff:7bf4:483b
123.244.72.60 0:0:0:0:0:ffff:7bf4:483c


123.244.72.61 0:0:0:0:0:ffff:7bf4:483d
123.244.72.62 0:0:0:0:0:ffff:7bf4:483e
123.244.72.63 0:0:0:0:0:ffff:7bf4:483f
123.244.72.64 0:0:0:0:0:ffff:7bf4:4840
123.244.72.65 0:0:0:0:0:ffff:7bf4:4841
123.244.72.66 0:0:0:0:0:ffff:7bf4:4842
123.244.72.67 0:0:0:0:0:ffff:7bf4:4843
123.244.72.68 0:0:0:0:0:ffff:7bf4:4844
123.244.72.69 0:0:0:0:0:ffff:7bf4:4845
123.244.72.70 0:0:0:0:0:ffff:7bf4:4846
123.244.72.71 0:0:0:0:0:ffff:7bf4:4847
123.244.72.72 0:0:0:0:0:ffff:7bf4:4848
123.244.72.73 0:0:0:0:0:ffff:7bf4:4849
123.244.72.74 0:0:0:0:0:ffff:7bf4:484a
123.244.72.75 0:0:0:0:0:ffff:7bf4:484b
123.244.72.76 0:0:0:0:0:ffff:7bf4:484c
123.244.72.77 0:0:0:0:0:ffff:7bf4:484d
123.244.72.78 0:0:0:0:0:ffff:7bf4:484e
123.244.72.79 0:0:0:0:0:ffff:7bf4:484f
123.244.72.80 0:0:0:0:0:ffff:7bf4:4850
123.244.72.81 0:0:0:0:0:ffff:7bf4:4851
123.244.72.82 0:0:0:0:0:ffff:7bf4:4852
123.244.72.83 0:0:0:0:0:ffff:7bf4:4853
123.244.72.84 0:0:0:0:0:ffff:7bf4:4854
123.244.72.85 0:0:0:0:0:ffff:7bf4:4855
123.244.72.86 0:0:0:0:0:ffff:7bf4:4856
123.244.72.87 0:0:0:0:0:ffff:7bf4:4857
123.244.72.88 0:0:0:0:0:ffff:7bf4:4858
123.244.72.89 0:0:0:0:0:ffff:7bf4:4859
123.244.72.90 0:0:0:0:0:ffff:7bf4:485a
123.244.72.91 0:0:0:0:0:ffff:7bf4:485b
123.244.72.92 0:0:0:0:0:ffff:7bf4:485c
123.244.72.93 0:0:0:0:0:ffff:7bf4:485d
123.244.72.94 0:0:0:0:0:ffff:7bf4:485e
123.244.72.95 0:0:0:0:0:ffff:7bf4:485f
123.244.72.96 0:0:0:0:0:ffff:7bf4:4860
123.244.72.97 0:0:0:0:0:ffff:7bf4:4861
123.244.72.98 0:0:0:0:0:ffff:7bf4:4862
123.244.72.99 0:0:0:0:0:ffff:7bf4:4863
123.244.72.100 0:0:0:0:0:ffff:7bf4:4864
123.244.72.101 0:0:0:0:0:ffff:7bf4:4865
123.244.72.102 0:0:0:0:0:ffff:7bf4:4866
123.244.72.103 0:0:0:0:0:ffff:7bf4:4867
123.244.72.104 0:0:0:0:0:ffff:7bf4:4868
123.244.72.105 0:0:0:0:0:ffff:7bf4:4869
123.244.72.106 0:0:0:0:0:ffff:7bf4:486a
123.244.72.107 0:0:0:0:0:ffff:7bf4:486b
123.244.72.108 0:0:0:0:0:ffff:7bf4:486c
123.244.72.109 0:0:0:0:0:ffff:7bf4:486d
123.244.72.110 0:0:0:0:0:ffff:7bf4:486e
123.244.72.111 0:0:0:0:0:ffff:7bf4:486f
123.244.72.112 0:0:0:0:0:ffff:7bf4:4870
123.244.72.113 0:0:0:0:0:ffff:7bf4:4871
123.244.72.114 0:0:0:0:0:ffff:7bf4:4872
123.244.72.115 0:0:0:0:0:ffff:7bf4:4873
123.244.72.116 0:0:0:0:0:ffff:7bf4:4874
123.244.72.117 0:0:0:0:0:ffff:7bf4:4875
123.244.72.118 0:0:0:0:0:ffff:7bf4:4876
123.244.72.119 0:0:0:0:0:ffff:7bf4:4877
123.244.72.120 0:0:0:0:0:ffff:7bf4:4878


123.244.72.121 0:0:0:0:0:ffff:7bf4:4879
123.244.72.122 0:0:0:0:0:ffff:7bf4:487a
123.244.72.123 0:0:0:0:0:ffff:7bf4:487b
123.244.72.124 0:0:0:0:0:ffff:7bf4:487c
123.244.72.125 0:0:0:0:0:ffff:7bf4:487d
123.244.72.126 0:0:0:0:0:ffff:7bf4:487e
123.244.72.127 0:0:0:0:0:ffff:7bf4:487f
123.244.72.128 0:0:0:0:0:ffff:7bf4:4880
123.244.72.129 0:0:0:0:0:ffff:7bf4:4881
123.244.72.130 0:0:0:0:0:ffff:7bf4:4882
123.244.72.131 0:0:0:0:0:ffff:7bf4:4883
123.244.72.132 0:0:0:0:0:ffff:7bf4:4884
123.244.72.133 0:0:0:0:0:ffff:7bf4:4885
123.244.72.134 0:0:0:0:0:ffff:7bf4:4886
123.244.72.135 0:0:0:0:0:ffff:7bf4:4887
123.244.72.136 0:0:0:0:0:ffff:7bf4:4888
123.244.72.137 0:0:0:0:0:ffff:7bf4:4889
123.244.72.138 0:0:0:0:0:ffff:7bf4:488a
123.244.72.139 0:0:0:0:0:ffff:7bf4:488b
123.244.72.140 0:0:0:0:0:ffff:7bf4:488c
123.244.72.141 0:0:0:0:0:ffff:7bf4:488d
123.244.72.142 0:0:0:0:0:ffff:7bf4:488e
123.244.72.143 0:0:0:0:0:ffff:7bf4:488f
123.244.72.144 0:0:0:0:0:ffff:7bf4:4890
123.244.72.145 0:0:0:0:0:ffff:7bf4:4891
123.244.72.146 0:0:0:0:0:ffff:7bf4:4892
123.244.72.147 0:0:0:0:0:ffff:7bf4:4893
123.244.72.148 0:0:0:0:0:ffff:7bf4:4894
123.244.72.149 0:0:0:0:0:ffff:7bf4:4895
123.244.72.150 0:0:0:0:0:ffff:7bf4:4896
123.244.72.151 0:0:0:0:0:ffff:7bf4:4897
123.244.72.152 0:0:0:0:0:ffff:7bf4:4898
123.244.72.153 0:0:0:0:0:ffff:7bf4:4899
123.244.72.154 0:0:0:0:0:ffff:7bf4:489a
123.244.72.155 0:0:0:0:0:ffff:7bf4:489b
123.244.72.156 0:0:0:0:0:ffff:7bf4:489c
123.244.72.157 0:0:0:0:0:ffff:7bf4:489d
123.244.72.158 0:0:0:0:0:ffff:7bf4:489e
123.244.72.159 0:0:0:0:0:ffff:7bf4:489f
123.244.72.160 0:0:0:0:0:ffff:7bf4:48a0
123.244.72.161 0:0:0:0:0:ffff:7bf4:48a1
123.244.72.162 0:0:0:0:0:ffff:7bf4:48a2
123.244.72.163 0:0:0:0:0:ffff:7bf4:48a3
123.244.72.164 0:0:0:0:0:ffff:7bf4:48a4
123.244.72.165 0:0:0:0:0:ffff:7bf4:48a5
123.244.72.166 0:0:0:0:0:ffff:7bf4:48a6
123.244.72.167 0:0:0:0:0:ffff:7bf4:48a7
123.244.72.168 0:0:0:0:0:ffff:7bf4:48a8
123.244.72.169 0:0:0:0:0:ffff:7bf4:48a9
123.244.72.170 0:0:0:0:0:ffff:7bf4:48aa
123.244.72.171 0:0:0:0:0:ffff:7bf4:48ab
123.244.72.172 0:0:0:0:0:ffff:7bf4:48ac
123.244.72.173 0:0:0:0:0:ffff:7bf4:48ad
123.244.72.174 0:0:0:0:0:ffff:7bf4:48ae
123.244.72.175 0:0:0:0:0:ffff:7bf4:48af
123.244.72.176 0:0:0:0:0:ffff:7bf4:48b0
123.244.72.177 0:0:0:0:0:ffff:7bf4:48b1
123.244.72.178 0:0:0:0:0:ffff:7bf4:48b2
123.244.72.179 0:0:0:0:0:ffff:7bf4:48b3
123.244.72.180 0:0:0:0:0:ffff:7bf4:48b4


123.244.72.181 0:0:0:0:0:ffff:7bf4:48b5
123.244.72.182 0:0:0:0:0:ffff:7bf4:48b6
123.244.72.183 0:0:0:0:0:ffff:7bf4:48b7
123.244.72.184 0:0:0:0:0:ffff:7bf4:48b8
123.244.72.185 0:0:0:0:0:ffff:7bf4:48b9
123.244.72.186 0:0:0:0:0:ffff:7bf4:48ba
123.244.72.187 0:0:0:0:0:ffff:7bf4:48bb
123.244.72.188 0:0:0:0:0:ffff:7bf4:48bc
123.244.72.189 0:0:0:0:0:ffff:7bf4:48bd
123.244.72.190 0:0:0:0:0:ffff:7bf4:48be
123.244.72.191 0:0:0:0:0:ffff:7bf4:48bf
123.244.72.192 0:0:0:0:0:ffff:7bf4:48c0
123.244.72.193 0:0:0:0:0:ffff:7bf4:48c1
123.244.72.194 0:0:0:0:0:ffff:7bf4:48c2
123.244.72.195 0:0:0:0:0:ffff:7bf4:48c3
123.244.72.196 0:0:0:0:0:ffff:7bf4:48c4
123.244.72.197 0:0:0:0:0:ffff:7bf4:48c5
123.244.72.198 0:0:0:0:0:ffff:7bf4:48c6
123.244.72.199 0:0:0:0:0:ffff:7bf4:48c7
123.244.72.200 0:0:0:0:0:ffff:7bf4:48c8
123.244.72.201 0:0:0:0:0:ffff:7bf4:48c9
123.244.72.202 0:0:0:0:0:ffff:7bf4:48ca
123.244.72.203 0:0:0:0:0:ffff:7bf4:48cb
123.244.72.204 0:0:0:0:0:ffff:7bf4:48cc
123.244.72.205 0:0:0:0:0:ffff:7bf4:48cd
123.244.72.206 0:0:0:0:0:ffff:7bf4:48ce
123.244.72.207 0:0:0:0:0:ffff:7bf4:48cf
123.244.72.208 0:0:0:0:0:ffff:7bf4:48d0
123.244.72.209 0:0:0:0:0:ffff:7bf4:48d1
123.244.72.210 0:0:0:0:0:ffff:7bf4:48d2
123.244.72.211 0:0:0:0:0:ffff:7bf4:48d3
123.244.72.212 0:0:0:0:0:ffff:7bf4:48d4
123.244.72.213 0:0:0:0:0:ffff:7bf4:48d5
123.244.72.214 0:0:0:0:0:ffff:7bf4:48d6
123.244.72.215 0:0:0:0:0:ffff:7bf4:48d7
123.244.72.216 0:0:0:0:0:ffff:7bf4:48d8
123.244.72.217 0:0:0:0:0:ffff:7bf4:48d9
123.244.72.218 0:0:0:0:0:ffff:7bf4:48da
123.244.72.219 0:0:0:0:0:ffff:7bf4:48db
123.244.72.220 0:0:0:0:0:ffff:7bf4:48dc
123.244.72.221 0:0:0:0:0:ffff:7bf4:48dd
123.244.72.222 0:0:0:0:0:ffff:7bf4:48de
123.244.72.223 0:0:0:0:0:ffff:7bf4:48df
123.244.72.224 0:0:0:0:0:ffff:7bf4:48e0
123.244.72.225 0:0:0:0:0:ffff:7bf4:48e1
123.244.72.226 0:0:0:0:0:ffff:7bf4:48e2
123.244.72.227 0:0:0:0:0:ffff:7bf4:48e3
123.244.72.228 0:0:0:0:0:ffff:7bf4:48e4
123.244.72.229 0:0:0:0:0:ffff:7bf4:48e5
123.244.72.230 0:0:0:0:0:ffff:7bf4:48e6
123.244.72.231 0:0:0:0:0:ffff:7bf4:48e7
123.244.72.232 0:0:0:0:0:ffff:7bf4:48e8
123.244.72.233 0:0:0:0:0:ffff:7bf4:48e9
123.244.72.234 0:0:0:0:0:ffff:7bf4:48ea
123.244.72.235 0:0:0:0:0:ffff:7bf4:48eb
123.244.72.236 0:0:0:0:0:ffff:7bf4:48ec
123.244.72.237 0:0:0:0:0:ffff:7bf4:48ed
123.244.72.238 0:0:0:0:0:ffff:7bf4:48ee
123.244.72.239 0:0:0:0:0:ffff:7bf4:48ef
123.244.72.240 0:0:0:0:0:ffff:7bf4:48f0
123.244.72.241 0:0:0:0:0:ffff:7bf4:48f1
123.244.72.242 0:0:0:0:0:ffff:7bf4:48f2
123.244.72.243 0:0:0:0:0:ffff:7bf4:48f3
123.244.72.244 0:0:0:0:0:ffff:7bf4:48f4
123.244.72.245 0:0:0:0:0:ffff:7bf4:48f5
123.244.72.246 0:0:0:0:0:ffff:7bf4:48f6
123.244.72.247 0:0:0:0:0:ffff:7bf4:48f7
123.244.72.248 0:0:0:0:0:ffff:7bf4:48f8
123.244.72.249 0:0:0:0:0:ffff:7bf4:48f9
123.244.72.250 0:0:0:0:0:ffff:7bf4:48fa
123.244.72.251 0:0:0:0:0:ffff:7bf4:48fb
123.244.72.252 0:0:0:0:0:ffff:7bf4:48fc
123.244.72.253 0:0:0:0:0:ffff:7bf4:48fd
123.244.72.254 0:0:0:0:0:ffff:7bf4:48fe
123.244.72.255 0:0:0:0:0:ffff:7bf4:48ff


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.