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
11.37.72.1 0:0:0:0:0:ffff:b25:4801
11.37.72.2 0:0:0:0:0:ffff:b25:4802
11.37.72.3 0:0:0:0:0:ffff:b25:4803
11.37.72.4 0:0:0:0:0:ffff:b25:4804
11.37.72.5 0:0:0:0:0:ffff:b25:4805
11.37.72.6 0:0:0:0:0:ffff:b25:4806
11.37.72.7 0:0:0:0:0:ffff:b25:4807
11.37.72.8 0:0:0:0:0:ffff:b25:4808
11.37.72.9 0:0:0:0:0:ffff:b25:4809
11.37.72.10 0:0:0:0:0:ffff:b25:480a
11.37.72.11 0:0:0:0:0:ffff:b25:480b
11.37.72.12 0:0:0:0:0:ffff:b25:480c
11.37.72.13 0:0:0:0:0:ffff:b25:480d
11.37.72.14 0:0:0:0:0:ffff:b25:480e
11.37.72.15 0:0:0:0:0:ffff:b25:480f
11.37.72.16 0:0:0:0:0:ffff:b25:4810
11.37.72.17 0:0:0:0:0:ffff:b25:4811
11.37.72.18 0:0:0:0:0:ffff:b25:4812
11.37.72.19 0:0:0:0:0:ffff:b25:4813
11.37.72.20 0:0:0:0:0:ffff:b25:4814
11.37.72.21 0:0:0:0:0:ffff:b25:4815
11.37.72.22 0:0:0:0:0:ffff:b25:4816
11.37.72.23 0:0:0:0:0:ffff:b25:4817
11.37.72.24 0:0:0:0:0:ffff:b25:4818
11.37.72.25 0:0:0:0:0:ffff:b25:4819
11.37.72.26 0:0:0:0:0:ffff:b25:481a
11.37.72.27 0:0:0:0:0:ffff:b25:481b
11.37.72.28 0:0:0:0:0:ffff:b25:481c
11.37.72.29 0:0:0:0:0:ffff:b25:481d
11.37.72.30 0:0:0:0:0:ffff:b25:481e
11.37.72.31 0:0:0:0:0:ffff:b25:481f
11.37.72.32 0:0:0:0:0:ffff:b25:4820
11.37.72.33 0:0:0:0:0:ffff:b25:4821
11.37.72.34 0:0:0:0:0:ffff:b25:4822
11.37.72.35 0:0:0:0:0:ffff:b25:4823
11.37.72.36 0:0:0:0:0:ffff:b25:4824
11.37.72.37 0:0:0:0:0:ffff:b25:4825
11.37.72.38 0:0:0:0:0:ffff:b25:4826
11.37.72.39 0:0:0:0:0:ffff:b25:4827
11.37.72.40 0:0:0:0:0:ffff:b25:4828
11.37.72.41 0:0:0:0:0:ffff:b25:4829
11.37.72.42 0:0:0:0:0:ffff:b25:482a
11.37.72.43 0:0:0:0:0:ffff:b25:482b
11.37.72.44 0:0:0:0:0:ffff:b25:482c
11.37.72.45 0:0:0:0:0:ffff:b25:482d
11.37.72.46 0:0:0:0:0:ffff:b25:482e
11.37.72.47 0:0:0:0:0:ffff:b25:482f
11.37.72.48 0:0:0:0:0:ffff:b25:4830
11.37.72.49 0:0:0:0:0:ffff:b25:4831
11.37.72.50 0:0:0:0:0:ffff:b25:4832
11.37.72.51 0:0:0:0:0:ffff:b25:4833
11.37.72.52 0:0:0:0:0:ffff:b25:4834
11.37.72.53 0:0:0:0:0:ffff:b25:4835
11.37.72.54 0:0:0:0:0:ffff:b25:4836
11.37.72.55 0:0:0:0:0:ffff:b25:4837
11.37.72.56 0:0:0:0:0:ffff:b25:4838
11.37.72.57 0:0:0:0:0:ffff:b25:4839
11.37.72.58 0:0:0:0:0:ffff:b25:483a
11.37.72.59 0:0:0:0:0:ffff:b25:483b
11.37.72.60 0:0:0:0:0:ffff:b25:483c


11.37.72.61 0:0:0:0:0:ffff:b25:483d
11.37.72.62 0:0:0:0:0:ffff:b25:483e
11.37.72.63 0:0:0:0:0:ffff:b25:483f
11.37.72.64 0:0:0:0:0:ffff:b25:4840
11.37.72.65 0:0:0:0:0:ffff:b25:4841
11.37.72.66 0:0:0:0:0:ffff:b25:4842
11.37.72.67 0:0:0:0:0:ffff:b25:4843
11.37.72.68 0:0:0:0:0:ffff:b25:4844
11.37.72.69 0:0:0:0:0:ffff:b25:4845
11.37.72.70 0:0:0:0:0:ffff:b25:4846
11.37.72.71 0:0:0:0:0:ffff:b25:4847
11.37.72.72 0:0:0:0:0:ffff:b25:4848
11.37.72.73 0:0:0:0:0:ffff:b25:4849
11.37.72.74 0:0:0:0:0:ffff:b25:484a
11.37.72.75 0:0:0:0:0:ffff:b25:484b
11.37.72.76 0:0:0:0:0:ffff:b25:484c
11.37.72.77 0:0:0:0:0:ffff:b25:484d
11.37.72.78 0:0:0:0:0:ffff:b25:484e
11.37.72.79 0:0:0:0:0:ffff:b25:484f
11.37.72.80 0:0:0:0:0:ffff:b25:4850
11.37.72.81 0:0:0:0:0:ffff:b25:4851
11.37.72.82 0:0:0:0:0:ffff:b25:4852
11.37.72.83 0:0:0:0:0:ffff:b25:4853
11.37.72.84 0:0:0:0:0:ffff:b25:4854
11.37.72.85 0:0:0:0:0:ffff:b25:4855
11.37.72.86 0:0:0:0:0:ffff:b25:4856
11.37.72.87 0:0:0:0:0:ffff:b25:4857
11.37.72.88 0:0:0:0:0:ffff:b25:4858
11.37.72.89 0:0:0:0:0:ffff:b25:4859
11.37.72.90 0:0:0:0:0:ffff:b25:485a
11.37.72.91 0:0:0:0:0:ffff:b25:485b
11.37.72.92 0:0:0:0:0:ffff:b25:485c
11.37.72.93 0:0:0:0:0:ffff:b25:485d
11.37.72.94 0:0:0:0:0:ffff:b25:485e
11.37.72.95 0:0:0:0:0:ffff:b25:485f
11.37.72.96 0:0:0:0:0:ffff:b25:4860
11.37.72.97 0:0:0:0:0:ffff:b25:4861
11.37.72.98 0:0:0:0:0:ffff:b25:4862
11.37.72.99 0:0:0:0:0:ffff:b25:4863
11.37.72.100 0:0:0:0:0:ffff:b25:4864
11.37.72.101 0:0:0:0:0:ffff:b25:4865
11.37.72.102 0:0:0:0:0:ffff:b25:4866
11.37.72.103 0:0:0:0:0:ffff:b25:4867
11.37.72.104 0:0:0:0:0:ffff:b25:4868
11.37.72.105 0:0:0:0:0:ffff:b25:4869
11.37.72.106 0:0:0:0:0:ffff:b25:486a
11.37.72.107 0:0:0:0:0:ffff:b25:486b
11.37.72.108 0:0:0:0:0:ffff:b25:486c
11.37.72.109 0:0:0:0:0:ffff:b25:486d
11.37.72.110 0:0:0:0:0:ffff:b25:486e
11.37.72.111 0:0:0:0:0:ffff:b25:486f
11.37.72.112 0:0:0:0:0:ffff:b25:4870
11.37.72.113 0:0:0:0:0:ffff:b25:4871
11.37.72.114 0:0:0:0:0:ffff:b25:4872
11.37.72.115 0:0:0:0:0:ffff:b25:4873
11.37.72.116 0:0:0:0:0:ffff:b25:4874
11.37.72.117 0:0:0:0:0:ffff:b25:4875
11.37.72.118 0:0:0:0:0:ffff:b25:4876
11.37.72.119 0:0:0:0:0:ffff:b25:4877
11.37.72.120 0:0:0:0:0:ffff:b25:4878


11.37.72.121 0:0:0:0:0:ffff:b25:4879
11.37.72.122 0:0:0:0:0:ffff:b25:487a
11.37.72.123 0:0:0:0:0:ffff:b25:487b
11.37.72.124 0:0:0:0:0:ffff:b25:487c
11.37.72.125 0:0:0:0:0:ffff:b25:487d
11.37.72.126 0:0:0:0:0:ffff:b25:487e
11.37.72.127 0:0:0:0:0:ffff:b25:487f
11.37.72.128 0:0:0:0:0:ffff:b25:4880
11.37.72.129 0:0:0:0:0:ffff:b25:4881
11.37.72.130 0:0:0:0:0:ffff:b25:4882
11.37.72.131 0:0:0:0:0:ffff:b25:4883
11.37.72.132 0:0:0:0:0:ffff:b25:4884
11.37.72.133 0:0:0:0:0:ffff:b25:4885
11.37.72.134 0:0:0:0:0:ffff:b25:4886
11.37.72.135 0:0:0:0:0:ffff:b25:4887
11.37.72.136 0:0:0:0:0:ffff:b25:4888
11.37.72.137 0:0:0:0:0:ffff:b25:4889
11.37.72.138 0:0:0:0:0:ffff:b25:488a
11.37.72.139 0:0:0:0:0:ffff:b25:488b
11.37.72.140 0:0:0:0:0:ffff:b25:488c
11.37.72.141 0:0:0:0:0:ffff:b25:488d
11.37.72.142 0:0:0:0:0:ffff:b25:488e
11.37.72.143 0:0:0:0:0:ffff:b25:488f
11.37.72.144 0:0:0:0:0:ffff:b25:4890
11.37.72.145 0:0:0:0:0:ffff:b25:4891
11.37.72.146 0:0:0:0:0:ffff:b25:4892
11.37.72.147 0:0:0:0:0:ffff:b25:4893
11.37.72.148 0:0:0:0:0:ffff:b25:4894
11.37.72.149 0:0:0:0:0:ffff:b25:4895
11.37.72.150 0:0:0:0:0:ffff:b25:4896
11.37.72.151 0:0:0:0:0:ffff:b25:4897
11.37.72.152 0:0:0:0:0:ffff:b25:4898
11.37.72.153 0:0:0:0:0:ffff:b25:4899
11.37.72.154 0:0:0:0:0:ffff:b25:489a
11.37.72.155 0:0:0:0:0:ffff:b25:489b
11.37.72.156 0:0:0:0:0:ffff:b25:489c
11.37.72.157 0:0:0:0:0:ffff:b25:489d
11.37.72.158 0:0:0:0:0:ffff:b25:489e
11.37.72.159 0:0:0:0:0:ffff:b25:489f
11.37.72.160 0:0:0:0:0:ffff:b25:48a0
11.37.72.161 0:0:0:0:0:ffff:b25:48a1
11.37.72.162 0:0:0:0:0:ffff:b25:48a2
11.37.72.163 0:0:0:0:0:ffff:b25:48a3
11.37.72.164 0:0:0:0:0:ffff:b25:48a4
11.37.72.165 0:0:0:0:0:ffff:b25:48a5
11.37.72.166 0:0:0:0:0:ffff:b25:48a6
11.37.72.167 0:0:0:0:0:ffff:b25:48a7
11.37.72.168 0:0:0:0:0:ffff:b25:48a8
11.37.72.169 0:0:0:0:0:ffff:b25:48a9
11.37.72.170 0:0:0:0:0:ffff:b25:48aa
11.37.72.171 0:0:0:0:0:ffff:b25:48ab
11.37.72.172 0:0:0:0:0:ffff:b25:48ac
11.37.72.173 0:0:0:0:0:ffff:b25:48ad
11.37.72.174 0:0:0:0:0:ffff:b25:48ae
11.37.72.175 0:0:0:0:0:ffff:b25:48af
11.37.72.176 0:0:0:0:0:ffff:b25:48b0
11.37.72.177 0:0:0:0:0:ffff:b25:48b1
11.37.72.178 0:0:0:0:0:ffff:b25:48b2
11.37.72.179 0:0:0:0:0:ffff:b25:48b3
11.37.72.180 0:0:0:0:0:ffff:b25:48b4


11.37.72.181 0:0:0:0:0:ffff:b25:48b5
11.37.72.182 0:0:0:0:0:ffff:b25:48b6
11.37.72.183 0:0:0:0:0:ffff:b25:48b7
11.37.72.184 0:0:0:0:0:ffff:b25:48b8
11.37.72.185 0:0:0:0:0:ffff:b25:48b9
11.37.72.186 0:0:0:0:0:ffff:b25:48ba
11.37.72.187 0:0:0:0:0:ffff:b25:48bb
11.37.72.188 0:0:0:0:0:ffff:b25:48bc
11.37.72.189 0:0:0:0:0:ffff:b25:48bd
11.37.72.190 0:0:0:0:0:ffff:b25:48be
11.37.72.191 0:0:0:0:0:ffff:b25:48bf
11.37.72.192 0:0:0:0:0:ffff:b25:48c0
11.37.72.193 0:0:0:0:0:ffff:b25:48c1
11.37.72.194 0:0:0:0:0:ffff:b25:48c2
11.37.72.195 0:0:0:0:0:ffff:b25:48c3
11.37.72.196 0:0:0:0:0:ffff:b25:48c4
11.37.72.197 0:0:0:0:0:ffff:b25:48c5
11.37.72.198 0:0:0:0:0:ffff:b25:48c6
11.37.72.199 0:0:0:0:0:ffff:b25:48c7
11.37.72.200 0:0:0:0:0:ffff:b25:48c8
11.37.72.201 0:0:0:0:0:ffff:b25:48c9
11.37.72.202 0:0:0:0:0:ffff:b25:48ca
11.37.72.203 0:0:0:0:0:ffff:b25:48cb
11.37.72.204 0:0:0:0:0:ffff:b25:48cc
11.37.72.205 0:0:0:0:0:ffff:b25:48cd
11.37.72.206 0:0:0:0:0:ffff:b25:48ce
11.37.72.207 0:0:0:0:0:ffff:b25:48cf
11.37.72.208 0:0:0:0:0:ffff:b25:48d0
11.37.72.209 0:0:0:0:0:ffff:b25:48d1
11.37.72.210 0:0:0:0:0:ffff:b25:48d2
11.37.72.211 0:0:0:0:0:ffff:b25:48d3
11.37.72.212 0:0:0:0:0:ffff:b25:48d4
11.37.72.213 0:0:0:0:0:ffff:b25:48d5
11.37.72.214 0:0:0:0:0:ffff:b25:48d6
11.37.72.215 0:0:0:0:0:ffff:b25:48d7
11.37.72.216 0:0:0:0:0:ffff:b25:48d8
11.37.72.217 0:0:0:0:0:ffff:b25:48d9
11.37.72.218 0:0:0:0:0:ffff:b25:48da
11.37.72.219 0:0:0:0:0:ffff:b25:48db
11.37.72.220 0:0:0:0:0:ffff:b25:48dc
11.37.72.221 0:0:0:0:0:ffff:b25:48dd
11.37.72.222 0:0:0:0:0:ffff:b25:48de
11.37.72.223 0:0:0:0:0:ffff:b25:48df
11.37.72.224 0:0:0:0:0:ffff:b25:48e0
11.37.72.225 0:0:0:0:0:ffff:b25:48e1
11.37.72.226 0:0:0:0:0:ffff:b25:48e2
11.37.72.227 0:0:0:0:0:ffff:b25:48e3
11.37.72.228 0:0:0:0:0:ffff:b25:48e4
11.37.72.229 0:0:0:0:0:ffff:b25:48e5
11.37.72.230 0:0:0:0:0:ffff:b25:48e6
11.37.72.231 0:0:0:0:0:ffff:b25:48e7
11.37.72.232 0:0:0:0:0:ffff:b25:48e8
11.37.72.233 0:0:0:0:0:ffff:b25:48e9
11.37.72.234 0:0:0:0:0:ffff:b25:48ea
11.37.72.235 0:0:0:0:0:ffff:b25:48eb
11.37.72.236 0:0:0:0:0:ffff:b25:48ec
11.37.72.237 0:0:0:0:0:ffff:b25:48ed
11.37.72.238 0:0:0:0:0:ffff:b25:48ee
11.37.72.239 0:0:0:0:0:ffff:b25:48ef
11.37.72.240 0:0:0:0:0:ffff:b25:48f0
11.37.72.241 0:0:0:0:0:ffff:b25:48f1
11.37.72.242 0:0:0:0:0:ffff:b25:48f2
11.37.72.243 0:0:0:0:0:ffff:b25:48f3
11.37.72.244 0:0:0:0:0:ffff:b25:48f4
11.37.72.245 0:0:0:0:0:ffff:b25:48f5
11.37.72.246 0:0:0:0:0:ffff:b25:48f6
11.37.72.247 0:0:0:0:0:ffff:b25:48f7
11.37.72.248 0:0:0:0:0:ffff:b25:48f8
11.37.72.249 0:0:0:0:0:ffff:b25:48f9
11.37.72.250 0:0:0:0:0:ffff:b25:48fa
11.37.72.251 0:0:0:0:0:ffff:b25:48fb
11.37.72.252 0:0:0:0:0:ffff:b25:48fc
11.37.72.253 0:0:0:0:0:ffff:b25:48fd
11.37.72.254 0:0:0:0:0:ffff:b25:48fe
11.37.72.255 0:0:0:0:0:ffff:b25:48ff


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.