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
71.137.72.1 0:0:0:0:0:ffff:4789:4801
71.137.72.2 0:0:0:0:0:ffff:4789:4802
71.137.72.3 0:0:0:0:0:ffff:4789:4803
71.137.72.4 0:0:0:0:0:ffff:4789:4804
71.137.72.5 0:0:0:0:0:ffff:4789:4805
71.137.72.6 0:0:0:0:0:ffff:4789:4806
71.137.72.7 0:0:0:0:0:ffff:4789:4807
71.137.72.8 0:0:0:0:0:ffff:4789:4808
71.137.72.9 0:0:0:0:0:ffff:4789:4809
71.137.72.10 0:0:0:0:0:ffff:4789:480a
71.137.72.11 0:0:0:0:0:ffff:4789:480b
71.137.72.12 0:0:0:0:0:ffff:4789:480c
71.137.72.13 0:0:0:0:0:ffff:4789:480d
71.137.72.14 0:0:0:0:0:ffff:4789:480e
71.137.72.15 0:0:0:0:0:ffff:4789:480f
71.137.72.16 0:0:0:0:0:ffff:4789:4810
71.137.72.17 0:0:0:0:0:ffff:4789:4811
71.137.72.18 0:0:0:0:0:ffff:4789:4812
71.137.72.19 0:0:0:0:0:ffff:4789:4813
71.137.72.20 0:0:0:0:0:ffff:4789:4814
71.137.72.21 0:0:0:0:0:ffff:4789:4815
71.137.72.22 0:0:0:0:0:ffff:4789:4816
71.137.72.23 0:0:0:0:0:ffff:4789:4817
71.137.72.24 0:0:0:0:0:ffff:4789:4818
71.137.72.25 0:0:0:0:0:ffff:4789:4819
71.137.72.26 0:0:0:0:0:ffff:4789:481a
71.137.72.27 0:0:0:0:0:ffff:4789:481b
71.137.72.28 0:0:0:0:0:ffff:4789:481c
71.137.72.29 0:0:0:0:0:ffff:4789:481d
71.137.72.30 0:0:0:0:0:ffff:4789:481e
71.137.72.31 0:0:0:0:0:ffff:4789:481f
71.137.72.32 0:0:0:0:0:ffff:4789:4820
71.137.72.33 0:0:0:0:0:ffff:4789:4821
71.137.72.34 0:0:0:0:0:ffff:4789:4822
71.137.72.35 0:0:0:0:0:ffff:4789:4823
71.137.72.36 0:0:0:0:0:ffff:4789:4824
71.137.72.37 0:0:0:0:0:ffff:4789:4825
71.137.72.38 0:0:0:0:0:ffff:4789:4826
71.137.72.39 0:0:0:0:0:ffff:4789:4827
71.137.72.40 0:0:0:0:0:ffff:4789:4828
71.137.72.41 0:0:0:0:0:ffff:4789:4829
71.137.72.42 0:0:0:0:0:ffff:4789:482a
71.137.72.43 0:0:0:0:0:ffff:4789:482b
71.137.72.44 0:0:0:0:0:ffff:4789:482c
71.137.72.45 0:0:0:0:0:ffff:4789:482d
71.137.72.46 0:0:0:0:0:ffff:4789:482e
71.137.72.47 0:0:0:0:0:ffff:4789:482f
71.137.72.48 0:0:0:0:0:ffff:4789:4830
71.137.72.49 0:0:0:0:0:ffff:4789:4831
71.137.72.50 0:0:0:0:0:ffff:4789:4832
71.137.72.51 0:0:0:0:0:ffff:4789:4833
71.137.72.52 0:0:0:0:0:ffff:4789:4834
71.137.72.53 0:0:0:0:0:ffff:4789:4835
71.137.72.54 0:0:0:0:0:ffff:4789:4836
71.137.72.55 0:0:0:0:0:ffff:4789:4837
71.137.72.56 0:0:0:0:0:ffff:4789:4838
71.137.72.57 0:0:0:0:0:ffff:4789:4839
71.137.72.58 0:0:0:0:0:ffff:4789:483a
71.137.72.59 0:0:0:0:0:ffff:4789:483b
71.137.72.60 0:0:0:0:0:ffff:4789:483c


71.137.72.61 0:0:0:0:0:ffff:4789:483d
71.137.72.62 0:0:0:0:0:ffff:4789:483e
71.137.72.63 0:0:0:0:0:ffff:4789:483f
71.137.72.64 0:0:0:0:0:ffff:4789:4840
71.137.72.65 0:0:0:0:0:ffff:4789:4841
71.137.72.66 0:0:0:0:0:ffff:4789:4842
71.137.72.67 0:0:0:0:0:ffff:4789:4843
71.137.72.68 0:0:0:0:0:ffff:4789:4844
71.137.72.69 0:0:0:0:0:ffff:4789:4845
71.137.72.70 0:0:0:0:0:ffff:4789:4846
71.137.72.71 0:0:0:0:0:ffff:4789:4847
71.137.72.72 0:0:0:0:0:ffff:4789:4848
71.137.72.73 0:0:0:0:0:ffff:4789:4849
71.137.72.74 0:0:0:0:0:ffff:4789:484a
71.137.72.75 0:0:0:0:0:ffff:4789:484b
71.137.72.76 0:0:0:0:0:ffff:4789:484c
71.137.72.77 0:0:0:0:0:ffff:4789:484d
71.137.72.78 0:0:0:0:0:ffff:4789:484e
71.137.72.79 0:0:0:0:0:ffff:4789:484f
71.137.72.80 0:0:0:0:0:ffff:4789:4850
71.137.72.81 0:0:0:0:0:ffff:4789:4851
71.137.72.82 0:0:0:0:0:ffff:4789:4852
71.137.72.83 0:0:0:0:0:ffff:4789:4853
71.137.72.84 0:0:0:0:0:ffff:4789:4854
71.137.72.85 0:0:0:0:0:ffff:4789:4855
71.137.72.86 0:0:0:0:0:ffff:4789:4856
71.137.72.87 0:0:0:0:0:ffff:4789:4857
71.137.72.88 0:0:0:0:0:ffff:4789:4858
71.137.72.89 0:0:0:0:0:ffff:4789:4859
71.137.72.90 0:0:0:0:0:ffff:4789:485a
71.137.72.91 0:0:0:0:0:ffff:4789:485b
71.137.72.92 0:0:0:0:0:ffff:4789:485c
71.137.72.93 0:0:0:0:0:ffff:4789:485d
71.137.72.94 0:0:0:0:0:ffff:4789:485e
71.137.72.95 0:0:0:0:0:ffff:4789:485f
71.137.72.96 0:0:0:0:0:ffff:4789:4860
71.137.72.97 0:0:0:0:0:ffff:4789:4861
71.137.72.98 0:0:0:0:0:ffff:4789:4862
71.137.72.99 0:0:0:0:0:ffff:4789:4863
71.137.72.100 0:0:0:0:0:ffff:4789:4864
71.137.72.101 0:0:0:0:0:ffff:4789:4865
71.137.72.102 0:0:0:0:0:ffff:4789:4866
71.137.72.103 0:0:0:0:0:ffff:4789:4867
71.137.72.104 0:0:0:0:0:ffff:4789:4868
71.137.72.105 0:0:0:0:0:ffff:4789:4869
71.137.72.106 0:0:0:0:0:ffff:4789:486a
71.137.72.107 0:0:0:0:0:ffff:4789:486b
71.137.72.108 0:0:0:0:0:ffff:4789:486c
71.137.72.109 0:0:0:0:0:ffff:4789:486d
71.137.72.110 0:0:0:0:0:ffff:4789:486e
71.137.72.111 0:0:0:0:0:ffff:4789:486f
71.137.72.112 0:0:0:0:0:ffff:4789:4870
71.137.72.113 0:0:0:0:0:ffff:4789:4871
71.137.72.114 0:0:0:0:0:ffff:4789:4872
71.137.72.115 0:0:0:0:0:ffff:4789:4873
71.137.72.116 0:0:0:0:0:ffff:4789:4874
71.137.72.117 0:0:0:0:0:ffff:4789:4875
71.137.72.118 0:0:0:0:0:ffff:4789:4876
71.137.72.119 0:0:0:0:0:ffff:4789:4877
71.137.72.120 0:0:0:0:0:ffff:4789:4878


71.137.72.121 0:0:0:0:0:ffff:4789:4879
71.137.72.122 0:0:0:0:0:ffff:4789:487a
71.137.72.123 0:0:0:0:0:ffff:4789:487b
71.137.72.124 0:0:0:0:0:ffff:4789:487c
71.137.72.125 0:0:0:0:0:ffff:4789:487d
71.137.72.126 0:0:0:0:0:ffff:4789:487e
71.137.72.127 0:0:0:0:0:ffff:4789:487f
71.137.72.128 0:0:0:0:0:ffff:4789:4880
71.137.72.129 0:0:0:0:0:ffff:4789:4881
71.137.72.130 0:0:0:0:0:ffff:4789:4882
71.137.72.131 0:0:0:0:0:ffff:4789:4883
71.137.72.132 0:0:0:0:0:ffff:4789:4884
71.137.72.133 0:0:0:0:0:ffff:4789:4885
71.137.72.134 0:0:0:0:0:ffff:4789:4886
71.137.72.135 0:0:0:0:0:ffff:4789:4887
71.137.72.136 0:0:0:0:0:ffff:4789:4888
71.137.72.137 0:0:0:0:0:ffff:4789:4889
71.137.72.138 0:0:0:0:0:ffff:4789:488a
71.137.72.139 0:0:0:0:0:ffff:4789:488b
71.137.72.140 0:0:0:0:0:ffff:4789:488c
71.137.72.141 0:0:0:0:0:ffff:4789:488d
71.137.72.142 0:0:0:0:0:ffff:4789:488e
71.137.72.143 0:0:0:0:0:ffff:4789:488f
71.137.72.144 0:0:0:0:0:ffff:4789:4890
71.137.72.145 0:0:0:0:0:ffff:4789:4891
71.137.72.146 0:0:0:0:0:ffff:4789:4892
71.137.72.147 0:0:0:0:0:ffff:4789:4893
71.137.72.148 0:0:0:0:0:ffff:4789:4894
71.137.72.149 0:0:0:0:0:ffff:4789:4895
71.137.72.150 0:0:0:0:0:ffff:4789:4896
71.137.72.151 0:0:0:0:0:ffff:4789:4897
71.137.72.152 0:0:0:0:0:ffff:4789:4898
71.137.72.153 0:0:0:0:0:ffff:4789:4899
71.137.72.154 0:0:0:0:0:ffff:4789:489a
71.137.72.155 0:0:0:0:0:ffff:4789:489b
71.137.72.156 0:0:0:0:0:ffff:4789:489c
71.137.72.157 0:0:0:0:0:ffff:4789:489d
71.137.72.158 0:0:0:0:0:ffff:4789:489e
71.137.72.159 0:0:0:0:0:ffff:4789:489f
71.137.72.160 0:0:0:0:0:ffff:4789:48a0
71.137.72.161 0:0:0:0:0:ffff:4789:48a1
71.137.72.162 0:0:0:0:0:ffff:4789:48a2
71.137.72.163 0:0:0:0:0:ffff:4789:48a3
71.137.72.164 0:0:0:0:0:ffff:4789:48a4
71.137.72.165 0:0:0:0:0:ffff:4789:48a5
71.137.72.166 0:0:0:0:0:ffff:4789:48a6
71.137.72.167 0:0:0:0:0:ffff:4789:48a7
71.137.72.168 0:0:0:0:0:ffff:4789:48a8
71.137.72.169 0:0:0:0:0:ffff:4789:48a9
71.137.72.170 0:0:0:0:0:ffff:4789:48aa
71.137.72.171 0:0:0:0:0:ffff:4789:48ab
71.137.72.172 0:0:0:0:0:ffff:4789:48ac
71.137.72.173 0:0:0:0:0:ffff:4789:48ad
71.137.72.174 0:0:0:0:0:ffff:4789:48ae
71.137.72.175 0:0:0:0:0:ffff:4789:48af
71.137.72.176 0:0:0:0:0:ffff:4789:48b0
71.137.72.177 0:0:0:0:0:ffff:4789:48b1
71.137.72.178 0:0:0:0:0:ffff:4789:48b2
71.137.72.179 0:0:0:0:0:ffff:4789:48b3
71.137.72.180 0:0:0:0:0:ffff:4789:48b4


71.137.72.181 0:0:0:0:0:ffff:4789:48b5
71.137.72.182 0:0:0:0:0:ffff:4789:48b6
71.137.72.183 0:0:0:0:0:ffff:4789:48b7
71.137.72.184 0:0:0:0:0:ffff:4789:48b8
71.137.72.185 0:0:0:0:0:ffff:4789:48b9
71.137.72.186 0:0:0:0:0:ffff:4789:48ba
71.137.72.187 0:0:0:0:0:ffff:4789:48bb
71.137.72.188 0:0:0:0:0:ffff:4789:48bc
71.137.72.189 0:0:0:0:0:ffff:4789:48bd
71.137.72.190 0:0:0:0:0:ffff:4789:48be
71.137.72.191 0:0:0:0:0:ffff:4789:48bf
71.137.72.192 0:0:0:0:0:ffff:4789:48c0
71.137.72.193 0:0:0:0:0:ffff:4789:48c1
71.137.72.194 0:0:0:0:0:ffff:4789:48c2
71.137.72.195 0:0:0:0:0:ffff:4789:48c3
71.137.72.196 0:0:0:0:0:ffff:4789:48c4
71.137.72.197 0:0:0:0:0:ffff:4789:48c5
71.137.72.198 0:0:0:0:0:ffff:4789:48c6
71.137.72.199 0:0:0:0:0:ffff:4789:48c7
71.137.72.200 0:0:0:0:0:ffff:4789:48c8
71.137.72.201 0:0:0:0:0:ffff:4789:48c9
71.137.72.202 0:0:0:0:0:ffff:4789:48ca
71.137.72.203 0:0:0:0:0:ffff:4789:48cb
71.137.72.204 0:0:0:0:0:ffff:4789:48cc
71.137.72.205 0:0:0:0:0:ffff:4789:48cd
71.137.72.206 0:0:0:0:0:ffff:4789:48ce
71.137.72.207 0:0:0:0:0:ffff:4789:48cf
71.137.72.208 0:0:0:0:0:ffff:4789:48d0
71.137.72.209 0:0:0:0:0:ffff:4789:48d1
71.137.72.210 0:0:0:0:0:ffff:4789:48d2
71.137.72.211 0:0:0:0:0:ffff:4789:48d3
71.137.72.212 0:0:0:0:0:ffff:4789:48d4
71.137.72.213 0:0:0:0:0:ffff:4789:48d5
71.137.72.214 0:0:0:0:0:ffff:4789:48d6
71.137.72.215 0:0:0:0:0:ffff:4789:48d7
71.137.72.216 0:0:0:0:0:ffff:4789:48d8
71.137.72.217 0:0:0:0:0:ffff:4789:48d9
71.137.72.218 0:0:0:0:0:ffff:4789:48da
71.137.72.219 0:0:0:0:0:ffff:4789:48db
71.137.72.220 0:0:0:0:0:ffff:4789:48dc
71.137.72.221 0:0:0:0:0:ffff:4789:48dd
71.137.72.222 0:0:0:0:0:ffff:4789:48de
71.137.72.223 0:0:0:0:0:ffff:4789:48df
71.137.72.224 0:0:0:0:0:ffff:4789:48e0
71.137.72.225 0:0:0:0:0:ffff:4789:48e1
71.137.72.226 0:0:0:0:0:ffff:4789:48e2
71.137.72.227 0:0:0:0:0:ffff:4789:48e3
71.137.72.228 0:0:0:0:0:ffff:4789:48e4
71.137.72.229 0:0:0:0:0:ffff:4789:48e5
71.137.72.230 0:0:0:0:0:ffff:4789:48e6
71.137.72.231 0:0:0:0:0:ffff:4789:48e7
71.137.72.232 0:0:0:0:0:ffff:4789:48e8
71.137.72.233 0:0:0:0:0:ffff:4789:48e9
71.137.72.234 0:0:0:0:0:ffff:4789:48ea
71.137.72.235 0:0:0:0:0:ffff:4789:48eb
71.137.72.236 0:0:0:0:0:ffff:4789:48ec
71.137.72.237 0:0:0:0:0:ffff:4789:48ed
71.137.72.238 0:0:0:0:0:ffff:4789:48ee
71.137.72.239 0:0:0:0:0:ffff:4789:48ef
71.137.72.240 0:0:0:0:0:ffff:4789:48f0
71.137.72.241 0:0:0:0:0:ffff:4789:48f1
71.137.72.242 0:0:0:0:0:ffff:4789:48f2
71.137.72.243 0:0:0:0:0:ffff:4789:48f3
71.137.72.244 0:0:0:0:0:ffff:4789:48f4
71.137.72.245 0:0:0:0:0:ffff:4789:48f5
71.137.72.246 0:0:0:0:0:ffff:4789:48f6
71.137.72.247 0:0:0:0:0:ffff:4789:48f7
71.137.72.248 0:0:0:0:0:ffff:4789:48f8
71.137.72.249 0:0:0:0:0:ffff:4789:48f9
71.137.72.250 0:0:0:0:0:ffff:4789:48fa
71.137.72.251 0:0:0:0:0:ffff:4789:48fb
71.137.72.252 0:0:0:0:0:ffff:4789:48fc
71.137.72.253 0:0:0:0:0:ffff:4789:48fd
71.137.72.254 0:0:0:0:0:ffff:4789:48fe
71.137.72.255 0:0:0:0:0:ffff:4789:48ff


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.