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
37.153.72.1 0:0:0:0:0:ffff:2599:4801
37.153.72.2 0:0:0:0:0:ffff:2599:4802
37.153.72.3 0:0:0:0:0:ffff:2599:4803
37.153.72.4 0:0:0:0:0:ffff:2599:4804
37.153.72.5 0:0:0:0:0:ffff:2599:4805
37.153.72.6 0:0:0:0:0:ffff:2599:4806
37.153.72.7 0:0:0:0:0:ffff:2599:4807
37.153.72.8 0:0:0:0:0:ffff:2599:4808
37.153.72.9 0:0:0:0:0:ffff:2599:4809
37.153.72.10 0:0:0:0:0:ffff:2599:480a
37.153.72.11 0:0:0:0:0:ffff:2599:480b
37.153.72.12 0:0:0:0:0:ffff:2599:480c
37.153.72.13 0:0:0:0:0:ffff:2599:480d
37.153.72.14 0:0:0:0:0:ffff:2599:480e
37.153.72.15 0:0:0:0:0:ffff:2599:480f
37.153.72.16 0:0:0:0:0:ffff:2599:4810
37.153.72.17 0:0:0:0:0:ffff:2599:4811
37.153.72.18 0:0:0:0:0:ffff:2599:4812
37.153.72.19 0:0:0:0:0:ffff:2599:4813
37.153.72.20 0:0:0:0:0:ffff:2599:4814
37.153.72.21 0:0:0:0:0:ffff:2599:4815
37.153.72.22 0:0:0:0:0:ffff:2599:4816
37.153.72.23 0:0:0:0:0:ffff:2599:4817
37.153.72.24 0:0:0:0:0:ffff:2599:4818
37.153.72.25 0:0:0:0:0:ffff:2599:4819
37.153.72.26 0:0:0:0:0:ffff:2599:481a
37.153.72.27 0:0:0:0:0:ffff:2599:481b
37.153.72.28 0:0:0:0:0:ffff:2599:481c
37.153.72.29 0:0:0:0:0:ffff:2599:481d
37.153.72.30 0:0:0:0:0:ffff:2599:481e
37.153.72.31 0:0:0:0:0:ffff:2599:481f
37.153.72.32 0:0:0:0:0:ffff:2599:4820
37.153.72.33 0:0:0:0:0:ffff:2599:4821
37.153.72.34 0:0:0:0:0:ffff:2599:4822
37.153.72.35 0:0:0:0:0:ffff:2599:4823
37.153.72.36 0:0:0:0:0:ffff:2599:4824
37.153.72.37 0:0:0:0:0:ffff:2599:4825
37.153.72.38 0:0:0:0:0:ffff:2599:4826
37.153.72.39 0:0:0:0:0:ffff:2599:4827
37.153.72.40 0:0:0:0:0:ffff:2599:4828
37.153.72.41 0:0:0:0:0:ffff:2599:4829
37.153.72.42 0:0:0:0:0:ffff:2599:482a
37.153.72.43 0:0:0:0:0:ffff:2599:482b
37.153.72.44 0:0:0:0:0:ffff:2599:482c
37.153.72.45 0:0:0:0:0:ffff:2599:482d
37.153.72.46 0:0:0:0:0:ffff:2599:482e
37.153.72.47 0:0:0:0:0:ffff:2599:482f
37.153.72.48 0:0:0:0:0:ffff:2599:4830
37.153.72.49 0:0:0:0:0:ffff:2599:4831
37.153.72.50 0:0:0:0:0:ffff:2599:4832
37.153.72.51 0:0:0:0:0:ffff:2599:4833
37.153.72.52 0:0:0:0:0:ffff:2599:4834
37.153.72.53 0:0:0:0:0:ffff:2599:4835
37.153.72.54 0:0:0:0:0:ffff:2599:4836
37.153.72.55 0:0:0:0:0:ffff:2599:4837
37.153.72.56 0:0:0:0:0:ffff:2599:4838
37.153.72.57 0:0:0:0:0:ffff:2599:4839
37.153.72.58 0:0:0:0:0:ffff:2599:483a
37.153.72.59 0:0:0:0:0:ffff:2599:483b
37.153.72.60 0:0:0:0:0:ffff:2599:483c


37.153.72.61 0:0:0:0:0:ffff:2599:483d
37.153.72.62 0:0:0:0:0:ffff:2599:483e
37.153.72.63 0:0:0:0:0:ffff:2599:483f
37.153.72.64 0:0:0:0:0:ffff:2599:4840
37.153.72.65 0:0:0:0:0:ffff:2599:4841
37.153.72.66 0:0:0:0:0:ffff:2599:4842
37.153.72.67 0:0:0:0:0:ffff:2599:4843
37.153.72.68 0:0:0:0:0:ffff:2599:4844
37.153.72.69 0:0:0:0:0:ffff:2599:4845
37.153.72.70 0:0:0:0:0:ffff:2599:4846
37.153.72.71 0:0:0:0:0:ffff:2599:4847
37.153.72.72 0:0:0:0:0:ffff:2599:4848
37.153.72.73 0:0:0:0:0:ffff:2599:4849
37.153.72.74 0:0:0:0:0:ffff:2599:484a
37.153.72.75 0:0:0:0:0:ffff:2599:484b
37.153.72.76 0:0:0:0:0:ffff:2599:484c
37.153.72.77 0:0:0:0:0:ffff:2599:484d
37.153.72.78 0:0:0:0:0:ffff:2599:484e
37.153.72.79 0:0:0:0:0:ffff:2599:484f
37.153.72.80 0:0:0:0:0:ffff:2599:4850
37.153.72.81 0:0:0:0:0:ffff:2599:4851
37.153.72.82 0:0:0:0:0:ffff:2599:4852
37.153.72.83 0:0:0:0:0:ffff:2599:4853
37.153.72.84 0:0:0:0:0:ffff:2599:4854
37.153.72.85 0:0:0:0:0:ffff:2599:4855
37.153.72.86 0:0:0:0:0:ffff:2599:4856
37.153.72.87 0:0:0:0:0:ffff:2599:4857
37.153.72.88 0:0:0:0:0:ffff:2599:4858
37.153.72.89 0:0:0:0:0:ffff:2599:4859
37.153.72.90 0:0:0:0:0:ffff:2599:485a
37.153.72.91 0:0:0:0:0:ffff:2599:485b
37.153.72.92 0:0:0:0:0:ffff:2599:485c
37.153.72.93 0:0:0:0:0:ffff:2599:485d
37.153.72.94 0:0:0:0:0:ffff:2599:485e
37.153.72.95 0:0:0:0:0:ffff:2599:485f
37.153.72.96 0:0:0:0:0:ffff:2599:4860
37.153.72.97 0:0:0:0:0:ffff:2599:4861
37.153.72.98 0:0:0:0:0:ffff:2599:4862
37.153.72.99 0:0:0:0:0:ffff:2599:4863
37.153.72.100 0:0:0:0:0:ffff:2599:4864
37.153.72.101 0:0:0:0:0:ffff:2599:4865
37.153.72.102 0:0:0:0:0:ffff:2599:4866
37.153.72.103 0:0:0:0:0:ffff:2599:4867
37.153.72.104 0:0:0:0:0:ffff:2599:4868
37.153.72.105 0:0:0:0:0:ffff:2599:4869
37.153.72.106 0:0:0:0:0:ffff:2599:486a
37.153.72.107 0:0:0:0:0:ffff:2599:486b
37.153.72.108 0:0:0:0:0:ffff:2599:486c
37.153.72.109 0:0:0:0:0:ffff:2599:486d
37.153.72.110 0:0:0:0:0:ffff:2599:486e
37.153.72.111 0:0:0:0:0:ffff:2599:486f
37.153.72.112 0:0:0:0:0:ffff:2599:4870
37.153.72.113 0:0:0:0:0:ffff:2599:4871
37.153.72.114 0:0:0:0:0:ffff:2599:4872
37.153.72.115 0:0:0:0:0:ffff:2599:4873
37.153.72.116 0:0:0:0:0:ffff:2599:4874
37.153.72.117 0:0:0:0:0:ffff:2599:4875
37.153.72.118 0:0:0:0:0:ffff:2599:4876
37.153.72.119 0:0:0:0:0:ffff:2599:4877
37.153.72.120 0:0:0:0:0:ffff:2599:4878


37.153.72.121 0:0:0:0:0:ffff:2599:4879
37.153.72.122 0:0:0:0:0:ffff:2599:487a
37.153.72.123 0:0:0:0:0:ffff:2599:487b
37.153.72.124 0:0:0:0:0:ffff:2599:487c
37.153.72.125 0:0:0:0:0:ffff:2599:487d
37.153.72.126 0:0:0:0:0:ffff:2599:487e
37.153.72.127 0:0:0:0:0:ffff:2599:487f
37.153.72.128 0:0:0:0:0:ffff:2599:4880
37.153.72.129 0:0:0:0:0:ffff:2599:4881
37.153.72.130 0:0:0:0:0:ffff:2599:4882
37.153.72.131 0:0:0:0:0:ffff:2599:4883
37.153.72.132 0:0:0:0:0:ffff:2599:4884
37.153.72.133 0:0:0:0:0:ffff:2599:4885
37.153.72.134 0:0:0:0:0:ffff:2599:4886
37.153.72.135 0:0:0:0:0:ffff:2599:4887
37.153.72.136 0:0:0:0:0:ffff:2599:4888
37.153.72.137 0:0:0:0:0:ffff:2599:4889
37.153.72.138 0:0:0:0:0:ffff:2599:488a
37.153.72.139 0:0:0:0:0:ffff:2599:488b
37.153.72.140 0:0:0:0:0:ffff:2599:488c
37.153.72.141 0:0:0:0:0:ffff:2599:488d
37.153.72.142 0:0:0:0:0:ffff:2599:488e
37.153.72.143 0:0:0:0:0:ffff:2599:488f
37.153.72.144 0:0:0:0:0:ffff:2599:4890
37.153.72.145 0:0:0:0:0:ffff:2599:4891
37.153.72.146 0:0:0:0:0:ffff:2599:4892
37.153.72.147 0:0:0:0:0:ffff:2599:4893
37.153.72.148 0:0:0:0:0:ffff:2599:4894
37.153.72.149 0:0:0:0:0:ffff:2599:4895
37.153.72.150 0:0:0:0:0:ffff:2599:4896
37.153.72.151 0:0:0:0:0:ffff:2599:4897
37.153.72.152 0:0:0:0:0:ffff:2599:4898
37.153.72.153 0:0:0:0:0:ffff:2599:4899
37.153.72.154 0:0:0:0:0:ffff:2599:489a
37.153.72.155 0:0:0:0:0:ffff:2599:489b
37.153.72.156 0:0:0:0:0:ffff:2599:489c
37.153.72.157 0:0:0:0:0:ffff:2599:489d
37.153.72.158 0:0:0:0:0:ffff:2599:489e
37.153.72.159 0:0:0:0:0:ffff:2599:489f
37.153.72.160 0:0:0:0:0:ffff:2599:48a0
37.153.72.161 0:0:0:0:0:ffff:2599:48a1
37.153.72.162 0:0:0:0:0:ffff:2599:48a2
37.153.72.163 0:0:0:0:0:ffff:2599:48a3
37.153.72.164 0:0:0:0:0:ffff:2599:48a4
37.153.72.165 0:0:0:0:0:ffff:2599:48a5
37.153.72.166 0:0:0:0:0:ffff:2599:48a6
37.153.72.167 0:0:0:0:0:ffff:2599:48a7
37.153.72.168 0:0:0:0:0:ffff:2599:48a8
37.153.72.169 0:0:0:0:0:ffff:2599:48a9
37.153.72.170 0:0:0:0:0:ffff:2599:48aa
37.153.72.171 0:0:0:0:0:ffff:2599:48ab
37.153.72.172 0:0:0:0:0:ffff:2599:48ac
37.153.72.173 0:0:0:0:0:ffff:2599:48ad
37.153.72.174 0:0:0:0:0:ffff:2599:48ae
37.153.72.175 0:0:0:0:0:ffff:2599:48af
37.153.72.176 0:0:0:0:0:ffff:2599:48b0
37.153.72.177 0:0:0:0:0:ffff:2599:48b1
37.153.72.178 0:0:0:0:0:ffff:2599:48b2
37.153.72.179 0:0:0:0:0:ffff:2599:48b3
37.153.72.180 0:0:0:0:0:ffff:2599:48b4


37.153.72.181 0:0:0:0:0:ffff:2599:48b5
37.153.72.182 0:0:0:0:0:ffff:2599:48b6
37.153.72.183 0:0:0:0:0:ffff:2599:48b7
37.153.72.184 0:0:0:0:0:ffff:2599:48b8
37.153.72.185 0:0:0:0:0:ffff:2599:48b9
37.153.72.186 0:0:0:0:0:ffff:2599:48ba
37.153.72.187 0:0:0:0:0:ffff:2599:48bb
37.153.72.188 0:0:0:0:0:ffff:2599:48bc
37.153.72.189 0:0:0:0:0:ffff:2599:48bd
37.153.72.190 0:0:0:0:0:ffff:2599:48be
37.153.72.191 0:0:0:0:0:ffff:2599:48bf
37.153.72.192 0:0:0:0:0:ffff:2599:48c0
37.153.72.193 0:0:0:0:0:ffff:2599:48c1
37.153.72.194 0:0:0:0:0:ffff:2599:48c2
37.153.72.195 0:0:0:0:0:ffff:2599:48c3
37.153.72.196 0:0:0:0:0:ffff:2599:48c4
37.153.72.197 0:0:0:0:0:ffff:2599:48c5
37.153.72.198 0:0:0:0:0:ffff:2599:48c6
37.153.72.199 0:0:0:0:0:ffff:2599:48c7
37.153.72.200 0:0:0:0:0:ffff:2599:48c8
37.153.72.201 0:0:0:0:0:ffff:2599:48c9
37.153.72.202 0:0:0:0:0:ffff:2599:48ca
37.153.72.203 0:0:0:0:0:ffff:2599:48cb
37.153.72.204 0:0:0:0:0:ffff:2599:48cc
37.153.72.205 0:0:0:0:0:ffff:2599:48cd
37.153.72.206 0:0:0:0:0:ffff:2599:48ce
37.153.72.207 0:0:0:0:0:ffff:2599:48cf
37.153.72.208 0:0:0:0:0:ffff:2599:48d0
37.153.72.209 0:0:0:0:0:ffff:2599:48d1
37.153.72.210 0:0:0:0:0:ffff:2599:48d2
37.153.72.211 0:0:0:0:0:ffff:2599:48d3
37.153.72.212 0:0:0:0:0:ffff:2599:48d4
37.153.72.213 0:0:0:0:0:ffff:2599:48d5
37.153.72.214 0:0:0:0:0:ffff:2599:48d6
37.153.72.215 0:0:0:0:0:ffff:2599:48d7
37.153.72.216 0:0:0:0:0:ffff:2599:48d8
37.153.72.217 0:0:0:0:0:ffff:2599:48d9
37.153.72.218 0:0:0:0:0:ffff:2599:48da
37.153.72.219 0:0:0:0:0:ffff:2599:48db
37.153.72.220 0:0:0:0:0:ffff:2599:48dc
37.153.72.221 0:0:0:0:0:ffff:2599:48dd
37.153.72.222 0:0:0:0:0:ffff:2599:48de
37.153.72.223 0:0:0:0:0:ffff:2599:48df
37.153.72.224 0:0:0:0:0:ffff:2599:48e0
37.153.72.225 0:0:0:0:0:ffff:2599:48e1
37.153.72.226 0:0:0:0:0:ffff:2599:48e2
37.153.72.227 0:0:0:0:0:ffff:2599:48e3
37.153.72.228 0:0:0:0:0:ffff:2599:48e4
37.153.72.229 0:0:0:0:0:ffff:2599:48e5
37.153.72.230 0:0:0:0:0:ffff:2599:48e6
37.153.72.231 0:0:0:0:0:ffff:2599:48e7
37.153.72.232 0:0:0:0:0:ffff:2599:48e8
37.153.72.233 0:0:0:0:0:ffff:2599:48e9
37.153.72.234 0:0:0:0:0:ffff:2599:48ea
37.153.72.235 0:0:0:0:0:ffff:2599:48eb
37.153.72.236 0:0:0:0:0:ffff:2599:48ec
37.153.72.237 0:0:0:0:0:ffff:2599:48ed
37.153.72.238 0:0:0:0:0:ffff:2599:48ee
37.153.72.239 0:0:0:0:0:ffff:2599:48ef
37.153.72.240 0:0:0:0:0:ffff:2599:48f0
37.153.72.241 0:0:0:0:0:ffff:2599:48f1
37.153.72.242 0:0:0:0:0:ffff:2599:48f2
37.153.72.243 0:0:0:0:0:ffff:2599:48f3
37.153.72.244 0:0:0:0:0:ffff:2599:48f4
37.153.72.245 0:0:0:0:0:ffff:2599:48f5
37.153.72.246 0:0:0:0:0:ffff:2599:48f6
37.153.72.247 0:0:0:0:0:ffff:2599:48f7
37.153.72.248 0:0:0:0:0:ffff:2599:48f8
37.153.72.249 0:0:0:0:0:ffff:2599:48f9
37.153.72.250 0:0:0:0:0:ffff:2599:48fa
37.153.72.251 0:0:0:0:0:ffff:2599:48fb
37.153.72.252 0:0:0:0:0:ffff:2599:48fc
37.153.72.253 0:0:0:0:0:ffff:2599:48fd
37.153.72.254 0:0:0:0:0:ffff:2599:48fe
37.153.72.255 0:0:0:0:0:ffff:2599:48ff


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.