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
137.141.72.1 0:0:0:0:0:ffff:898d:4801
137.141.72.2 0:0:0:0:0:ffff:898d:4802
137.141.72.3 0:0:0:0:0:ffff:898d:4803
137.141.72.4 0:0:0:0:0:ffff:898d:4804
137.141.72.5 0:0:0:0:0:ffff:898d:4805
137.141.72.6 0:0:0:0:0:ffff:898d:4806
137.141.72.7 0:0:0:0:0:ffff:898d:4807
137.141.72.8 0:0:0:0:0:ffff:898d:4808
137.141.72.9 0:0:0:0:0:ffff:898d:4809
137.141.72.10 0:0:0:0:0:ffff:898d:480a
137.141.72.11 0:0:0:0:0:ffff:898d:480b
137.141.72.12 0:0:0:0:0:ffff:898d:480c
137.141.72.13 0:0:0:0:0:ffff:898d:480d
137.141.72.14 0:0:0:0:0:ffff:898d:480e
137.141.72.15 0:0:0:0:0:ffff:898d:480f
137.141.72.16 0:0:0:0:0:ffff:898d:4810
137.141.72.17 0:0:0:0:0:ffff:898d:4811
137.141.72.18 0:0:0:0:0:ffff:898d:4812
137.141.72.19 0:0:0:0:0:ffff:898d:4813
137.141.72.20 0:0:0:0:0:ffff:898d:4814
137.141.72.21 0:0:0:0:0:ffff:898d:4815
137.141.72.22 0:0:0:0:0:ffff:898d:4816
137.141.72.23 0:0:0:0:0:ffff:898d:4817
137.141.72.24 0:0:0:0:0:ffff:898d:4818
137.141.72.25 0:0:0:0:0:ffff:898d:4819
137.141.72.26 0:0:0:0:0:ffff:898d:481a
137.141.72.27 0:0:0:0:0:ffff:898d:481b
137.141.72.28 0:0:0:0:0:ffff:898d:481c
137.141.72.29 0:0:0:0:0:ffff:898d:481d
137.141.72.30 0:0:0:0:0:ffff:898d:481e
137.141.72.31 0:0:0:0:0:ffff:898d:481f
137.141.72.32 0:0:0:0:0:ffff:898d:4820
137.141.72.33 0:0:0:0:0:ffff:898d:4821
137.141.72.34 0:0:0:0:0:ffff:898d:4822
137.141.72.35 0:0:0:0:0:ffff:898d:4823
137.141.72.36 0:0:0:0:0:ffff:898d:4824
137.141.72.37 0:0:0:0:0:ffff:898d:4825
137.141.72.38 0:0:0:0:0:ffff:898d:4826
137.141.72.39 0:0:0:0:0:ffff:898d:4827
137.141.72.40 0:0:0:0:0:ffff:898d:4828
137.141.72.41 0:0:0:0:0:ffff:898d:4829
137.141.72.42 0:0:0:0:0:ffff:898d:482a
137.141.72.43 0:0:0:0:0:ffff:898d:482b
137.141.72.44 0:0:0:0:0:ffff:898d:482c
137.141.72.45 0:0:0:0:0:ffff:898d:482d
137.141.72.46 0:0:0:0:0:ffff:898d:482e
137.141.72.47 0:0:0:0:0:ffff:898d:482f
137.141.72.48 0:0:0:0:0:ffff:898d:4830
137.141.72.49 0:0:0:0:0:ffff:898d:4831
137.141.72.50 0:0:0:0:0:ffff:898d:4832
137.141.72.51 0:0:0:0:0:ffff:898d:4833
137.141.72.52 0:0:0:0:0:ffff:898d:4834
137.141.72.53 0:0:0:0:0:ffff:898d:4835
137.141.72.54 0:0:0:0:0:ffff:898d:4836
137.141.72.55 0:0:0:0:0:ffff:898d:4837
137.141.72.56 0:0:0:0:0:ffff:898d:4838
137.141.72.57 0:0:0:0:0:ffff:898d:4839
137.141.72.58 0:0:0:0:0:ffff:898d:483a
137.141.72.59 0:0:0:0:0:ffff:898d:483b
137.141.72.60 0:0:0:0:0:ffff:898d:483c


137.141.72.61 0:0:0:0:0:ffff:898d:483d
137.141.72.62 0:0:0:0:0:ffff:898d:483e
137.141.72.63 0:0:0:0:0:ffff:898d:483f
137.141.72.64 0:0:0:0:0:ffff:898d:4840
137.141.72.65 0:0:0:0:0:ffff:898d:4841
137.141.72.66 0:0:0:0:0:ffff:898d:4842
137.141.72.67 0:0:0:0:0:ffff:898d:4843
137.141.72.68 0:0:0:0:0:ffff:898d:4844
137.141.72.69 0:0:0:0:0:ffff:898d:4845
137.141.72.70 0:0:0:0:0:ffff:898d:4846
137.141.72.71 0:0:0:0:0:ffff:898d:4847
137.141.72.72 0:0:0:0:0:ffff:898d:4848
137.141.72.73 0:0:0:0:0:ffff:898d:4849
137.141.72.74 0:0:0:0:0:ffff:898d:484a
137.141.72.75 0:0:0:0:0:ffff:898d:484b
137.141.72.76 0:0:0:0:0:ffff:898d:484c
137.141.72.77 0:0:0:0:0:ffff:898d:484d
137.141.72.78 0:0:0:0:0:ffff:898d:484e
137.141.72.79 0:0:0:0:0:ffff:898d:484f
137.141.72.80 0:0:0:0:0:ffff:898d:4850
137.141.72.81 0:0:0:0:0:ffff:898d:4851
137.141.72.82 0:0:0:0:0:ffff:898d:4852
137.141.72.83 0:0:0:0:0:ffff:898d:4853
137.141.72.84 0:0:0:0:0:ffff:898d:4854
137.141.72.85 0:0:0:0:0:ffff:898d:4855
137.141.72.86 0:0:0:0:0:ffff:898d:4856
137.141.72.87 0:0:0:0:0:ffff:898d:4857
137.141.72.88 0:0:0:0:0:ffff:898d:4858
137.141.72.89 0:0:0:0:0:ffff:898d:4859
137.141.72.90 0:0:0:0:0:ffff:898d:485a
137.141.72.91 0:0:0:0:0:ffff:898d:485b
137.141.72.92 0:0:0:0:0:ffff:898d:485c
137.141.72.93 0:0:0:0:0:ffff:898d:485d
137.141.72.94 0:0:0:0:0:ffff:898d:485e
137.141.72.95 0:0:0:0:0:ffff:898d:485f
137.141.72.96 0:0:0:0:0:ffff:898d:4860
137.141.72.97 0:0:0:0:0:ffff:898d:4861
137.141.72.98 0:0:0:0:0:ffff:898d:4862
137.141.72.99 0:0:0:0:0:ffff:898d:4863
137.141.72.100 0:0:0:0:0:ffff:898d:4864
137.141.72.101 0:0:0:0:0:ffff:898d:4865
137.141.72.102 0:0:0:0:0:ffff:898d:4866
137.141.72.103 0:0:0:0:0:ffff:898d:4867
137.141.72.104 0:0:0:0:0:ffff:898d:4868
137.141.72.105 0:0:0:0:0:ffff:898d:4869
137.141.72.106 0:0:0:0:0:ffff:898d:486a
137.141.72.107 0:0:0:0:0:ffff:898d:486b
137.141.72.108 0:0:0:0:0:ffff:898d:486c
137.141.72.109 0:0:0:0:0:ffff:898d:486d
137.141.72.110 0:0:0:0:0:ffff:898d:486e
137.141.72.111 0:0:0:0:0:ffff:898d:486f
137.141.72.112 0:0:0:0:0:ffff:898d:4870
137.141.72.113 0:0:0:0:0:ffff:898d:4871
137.141.72.114 0:0:0:0:0:ffff:898d:4872
137.141.72.115 0:0:0:0:0:ffff:898d:4873
137.141.72.116 0:0:0:0:0:ffff:898d:4874
137.141.72.117 0:0:0:0:0:ffff:898d:4875
137.141.72.118 0:0:0:0:0:ffff:898d:4876
137.141.72.119 0:0:0:0:0:ffff:898d:4877
137.141.72.120 0:0:0:0:0:ffff:898d:4878


137.141.72.121 0:0:0:0:0:ffff:898d:4879
137.141.72.122 0:0:0:0:0:ffff:898d:487a
137.141.72.123 0:0:0:0:0:ffff:898d:487b
137.141.72.124 0:0:0:0:0:ffff:898d:487c
137.141.72.125 0:0:0:0:0:ffff:898d:487d
137.141.72.126 0:0:0:0:0:ffff:898d:487e
137.141.72.127 0:0:0:0:0:ffff:898d:487f
137.141.72.128 0:0:0:0:0:ffff:898d:4880
137.141.72.129 0:0:0:0:0:ffff:898d:4881
137.141.72.130 0:0:0:0:0:ffff:898d:4882
137.141.72.131 0:0:0:0:0:ffff:898d:4883
137.141.72.132 0:0:0:0:0:ffff:898d:4884
137.141.72.133 0:0:0:0:0:ffff:898d:4885
137.141.72.134 0:0:0:0:0:ffff:898d:4886
137.141.72.135 0:0:0:0:0:ffff:898d:4887
137.141.72.136 0:0:0:0:0:ffff:898d:4888
137.141.72.137 0:0:0:0:0:ffff:898d:4889
137.141.72.138 0:0:0:0:0:ffff:898d:488a
137.141.72.139 0:0:0:0:0:ffff:898d:488b
137.141.72.140 0:0:0:0:0:ffff:898d:488c
137.141.72.141 0:0:0:0:0:ffff:898d:488d
137.141.72.142 0:0:0:0:0:ffff:898d:488e
137.141.72.143 0:0:0:0:0:ffff:898d:488f
137.141.72.144 0:0:0:0:0:ffff:898d:4890
137.141.72.145 0:0:0:0:0:ffff:898d:4891
137.141.72.146 0:0:0:0:0:ffff:898d:4892
137.141.72.147 0:0:0:0:0:ffff:898d:4893
137.141.72.148 0:0:0:0:0:ffff:898d:4894
137.141.72.149 0:0:0:0:0:ffff:898d:4895
137.141.72.150 0:0:0:0:0:ffff:898d:4896
137.141.72.151 0:0:0:0:0:ffff:898d:4897
137.141.72.152 0:0:0:0:0:ffff:898d:4898
137.141.72.153 0:0:0:0:0:ffff:898d:4899
137.141.72.154 0:0:0:0:0:ffff:898d:489a
137.141.72.155 0:0:0:0:0:ffff:898d:489b
137.141.72.156 0:0:0:0:0:ffff:898d:489c
137.141.72.157 0:0:0:0:0:ffff:898d:489d
137.141.72.158 0:0:0:0:0:ffff:898d:489e
137.141.72.159 0:0:0:0:0:ffff:898d:489f
137.141.72.160 0:0:0:0:0:ffff:898d:48a0
137.141.72.161 0:0:0:0:0:ffff:898d:48a1
137.141.72.162 0:0:0:0:0:ffff:898d:48a2
137.141.72.163 0:0:0:0:0:ffff:898d:48a3
137.141.72.164 0:0:0:0:0:ffff:898d:48a4
137.141.72.165 0:0:0:0:0:ffff:898d:48a5
137.141.72.166 0:0:0:0:0:ffff:898d:48a6
137.141.72.167 0:0:0:0:0:ffff:898d:48a7
137.141.72.168 0:0:0:0:0:ffff:898d:48a8
137.141.72.169 0:0:0:0:0:ffff:898d:48a9
137.141.72.170 0:0:0:0:0:ffff:898d:48aa
137.141.72.171 0:0:0:0:0:ffff:898d:48ab
137.141.72.172 0:0:0:0:0:ffff:898d:48ac
137.141.72.173 0:0:0:0:0:ffff:898d:48ad
137.141.72.174 0:0:0:0:0:ffff:898d:48ae
137.141.72.175 0:0:0:0:0:ffff:898d:48af
137.141.72.176 0:0:0:0:0:ffff:898d:48b0
137.141.72.177 0:0:0:0:0:ffff:898d:48b1
137.141.72.178 0:0:0:0:0:ffff:898d:48b2
137.141.72.179 0:0:0:0:0:ffff:898d:48b3
137.141.72.180 0:0:0:0:0:ffff:898d:48b4


137.141.72.181 0:0:0:0:0:ffff:898d:48b5
137.141.72.182 0:0:0:0:0:ffff:898d:48b6
137.141.72.183 0:0:0:0:0:ffff:898d:48b7
137.141.72.184 0:0:0:0:0:ffff:898d:48b8
137.141.72.185 0:0:0:0:0:ffff:898d:48b9
137.141.72.186 0:0:0:0:0:ffff:898d:48ba
137.141.72.187 0:0:0:0:0:ffff:898d:48bb
137.141.72.188 0:0:0:0:0:ffff:898d:48bc
137.141.72.189 0:0:0:0:0:ffff:898d:48bd
137.141.72.190 0:0:0:0:0:ffff:898d:48be
137.141.72.191 0:0:0:0:0:ffff:898d:48bf
137.141.72.192 0:0:0:0:0:ffff:898d:48c0
137.141.72.193 0:0:0:0:0:ffff:898d:48c1
137.141.72.194 0:0:0:0:0:ffff:898d:48c2
137.141.72.195 0:0:0:0:0:ffff:898d:48c3
137.141.72.196 0:0:0:0:0:ffff:898d:48c4
137.141.72.197 0:0:0:0:0:ffff:898d:48c5
137.141.72.198 0:0:0:0:0:ffff:898d:48c6
137.141.72.199 0:0:0:0:0:ffff:898d:48c7
137.141.72.200 0:0:0:0:0:ffff:898d:48c8
137.141.72.201 0:0:0:0:0:ffff:898d:48c9
137.141.72.202 0:0:0:0:0:ffff:898d:48ca
137.141.72.203 0:0:0:0:0:ffff:898d:48cb
137.141.72.204 0:0:0:0:0:ffff:898d:48cc
137.141.72.205 0:0:0:0:0:ffff:898d:48cd
137.141.72.206 0:0:0:0:0:ffff:898d:48ce
137.141.72.207 0:0:0:0:0:ffff:898d:48cf
137.141.72.208 0:0:0:0:0:ffff:898d:48d0
137.141.72.209 0:0:0:0:0:ffff:898d:48d1
137.141.72.210 0:0:0:0:0:ffff:898d:48d2
137.141.72.211 0:0:0:0:0:ffff:898d:48d3
137.141.72.212 0:0:0:0:0:ffff:898d:48d4
137.141.72.213 0:0:0:0:0:ffff:898d:48d5
137.141.72.214 0:0:0:0:0:ffff:898d:48d6
137.141.72.215 0:0:0:0:0:ffff:898d:48d7
137.141.72.216 0:0:0:0:0:ffff:898d:48d8
137.141.72.217 0:0:0:0:0:ffff:898d:48d9
137.141.72.218 0:0:0:0:0:ffff:898d:48da
137.141.72.219 0:0:0:0:0:ffff:898d:48db
137.141.72.220 0:0:0:0:0:ffff:898d:48dc
137.141.72.221 0:0:0:0:0:ffff:898d:48dd
137.141.72.222 0:0:0:0:0:ffff:898d:48de
137.141.72.223 0:0:0:0:0:ffff:898d:48df
137.141.72.224 0:0:0:0:0:ffff:898d:48e0
137.141.72.225 0:0:0:0:0:ffff:898d:48e1
137.141.72.226 0:0:0:0:0:ffff:898d:48e2
137.141.72.227 0:0:0:0:0:ffff:898d:48e3
137.141.72.228 0:0:0:0:0:ffff:898d:48e4
137.141.72.229 0:0:0:0:0:ffff:898d:48e5
137.141.72.230 0:0:0:0:0:ffff:898d:48e6
137.141.72.231 0:0:0:0:0:ffff:898d:48e7
137.141.72.232 0:0:0:0:0:ffff:898d:48e8
137.141.72.233 0:0:0:0:0:ffff:898d:48e9
137.141.72.234 0:0:0:0:0:ffff:898d:48ea
137.141.72.235 0:0:0:0:0:ffff:898d:48eb
137.141.72.236 0:0:0:0:0:ffff:898d:48ec
137.141.72.237 0:0:0:0:0:ffff:898d:48ed
137.141.72.238 0:0:0:0:0:ffff:898d:48ee
137.141.72.239 0:0:0:0:0:ffff:898d:48ef
137.141.72.240 0:0:0:0:0:ffff:898d:48f0
137.141.72.241 0:0:0:0:0:ffff:898d:48f1
137.141.72.242 0:0:0:0:0:ffff:898d:48f2
137.141.72.243 0:0:0:0:0:ffff:898d:48f3
137.141.72.244 0:0:0:0:0:ffff:898d:48f4
137.141.72.245 0:0:0:0:0:ffff:898d:48f5
137.141.72.246 0:0:0:0:0:ffff:898d:48f6
137.141.72.247 0:0:0:0:0:ffff:898d:48f7
137.141.72.248 0:0:0:0:0:ffff:898d:48f8
137.141.72.249 0:0:0:0:0:ffff:898d:48f9
137.141.72.250 0:0:0:0:0:ffff:898d:48fa
137.141.72.251 0:0:0:0:0:ffff:898d:48fb
137.141.72.252 0:0:0:0:0:ffff:898d:48fc
137.141.72.253 0:0:0:0:0:ffff:898d:48fd
137.141.72.254 0:0:0:0:0:ffff:898d:48fe
137.141.72.255 0:0:0:0:0:ffff:898d: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.