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
80.121.72.1 0:0:0:0:0:ffff:5079:4801
80.121.72.2 0:0:0:0:0:ffff:5079:4802
80.121.72.3 0:0:0:0:0:ffff:5079:4803
80.121.72.4 0:0:0:0:0:ffff:5079:4804
80.121.72.5 0:0:0:0:0:ffff:5079:4805
80.121.72.6 0:0:0:0:0:ffff:5079:4806
80.121.72.7 0:0:0:0:0:ffff:5079:4807
80.121.72.8 0:0:0:0:0:ffff:5079:4808
80.121.72.9 0:0:0:0:0:ffff:5079:4809
80.121.72.10 0:0:0:0:0:ffff:5079:480a
80.121.72.11 0:0:0:0:0:ffff:5079:480b
80.121.72.12 0:0:0:0:0:ffff:5079:480c
80.121.72.13 0:0:0:0:0:ffff:5079:480d
80.121.72.14 0:0:0:0:0:ffff:5079:480e
80.121.72.15 0:0:0:0:0:ffff:5079:480f
80.121.72.16 0:0:0:0:0:ffff:5079:4810
80.121.72.17 0:0:0:0:0:ffff:5079:4811
80.121.72.18 0:0:0:0:0:ffff:5079:4812
80.121.72.19 0:0:0:0:0:ffff:5079:4813
80.121.72.20 0:0:0:0:0:ffff:5079:4814
80.121.72.21 0:0:0:0:0:ffff:5079:4815
80.121.72.22 0:0:0:0:0:ffff:5079:4816
80.121.72.23 0:0:0:0:0:ffff:5079:4817
80.121.72.24 0:0:0:0:0:ffff:5079:4818
80.121.72.25 0:0:0:0:0:ffff:5079:4819
80.121.72.26 0:0:0:0:0:ffff:5079:481a
80.121.72.27 0:0:0:0:0:ffff:5079:481b
80.121.72.28 0:0:0:0:0:ffff:5079:481c
80.121.72.29 0:0:0:0:0:ffff:5079:481d
80.121.72.30 0:0:0:0:0:ffff:5079:481e
80.121.72.31 0:0:0:0:0:ffff:5079:481f
80.121.72.32 0:0:0:0:0:ffff:5079:4820
80.121.72.33 0:0:0:0:0:ffff:5079:4821
80.121.72.34 0:0:0:0:0:ffff:5079:4822
80.121.72.35 0:0:0:0:0:ffff:5079:4823
80.121.72.36 0:0:0:0:0:ffff:5079:4824
80.121.72.37 0:0:0:0:0:ffff:5079:4825
80.121.72.38 0:0:0:0:0:ffff:5079:4826
80.121.72.39 0:0:0:0:0:ffff:5079:4827
80.121.72.40 0:0:0:0:0:ffff:5079:4828
80.121.72.41 0:0:0:0:0:ffff:5079:4829
80.121.72.42 0:0:0:0:0:ffff:5079:482a
80.121.72.43 0:0:0:0:0:ffff:5079:482b
80.121.72.44 0:0:0:0:0:ffff:5079:482c
80.121.72.45 0:0:0:0:0:ffff:5079:482d
80.121.72.46 0:0:0:0:0:ffff:5079:482e
80.121.72.47 0:0:0:0:0:ffff:5079:482f
80.121.72.48 0:0:0:0:0:ffff:5079:4830
80.121.72.49 0:0:0:0:0:ffff:5079:4831
80.121.72.50 0:0:0:0:0:ffff:5079:4832
80.121.72.51 0:0:0:0:0:ffff:5079:4833
80.121.72.52 0:0:0:0:0:ffff:5079:4834
80.121.72.53 0:0:0:0:0:ffff:5079:4835
80.121.72.54 0:0:0:0:0:ffff:5079:4836
80.121.72.55 0:0:0:0:0:ffff:5079:4837
80.121.72.56 0:0:0:0:0:ffff:5079:4838
80.121.72.57 0:0:0:0:0:ffff:5079:4839
80.121.72.58 0:0:0:0:0:ffff:5079:483a
80.121.72.59 0:0:0:0:0:ffff:5079:483b
80.121.72.60 0:0:0:0:0:ffff:5079:483c


80.121.72.61 0:0:0:0:0:ffff:5079:483d
80.121.72.62 0:0:0:0:0:ffff:5079:483e
80.121.72.63 0:0:0:0:0:ffff:5079:483f
80.121.72.64 0:0:0:0:0:ffff:5079:4840
80.121.72.65 0:0:0:0:0:ffff:5079:4841
80.121.72.66 0:0:0:0:0:ffff:5079:4842
80.121.72.67 0:0:0:0:0:ffff:5079:4843
80.121.72.68 0:0:0:0:0:ffff:5079:4844
80.121.72.69 0:0:0:0:0:ffff:5079:4845
80.121.72.70 0:0:0:0:0:ffff:5079:4846
80.121.72.71 0:0:0:0:0:ffff:5079:4847
80.121.72.72 0:0:0:0:0:ffff:5079:4848
80.121.72.73 0:0:0:0:0:ffff:5079:4849
80.121.72.74 0:0:0:0:0:ffff:5079:484a
80.121.72.75 0:0:0:0:0:ffff:5079:484b
80.121.72.76 0:0:0:0:0:ffff:5079:484c
80.121.72.77 0:0:0:0:0:ffff:5079:484d
80.121.72.78 0:0:0:0:0:ffff:5079:484e
80.121.72.79 0:0:0:0:0:ffff:5079:484f
80.121.72.80 0:0:0:0:0:ffff:5079:4850
80.121.72.81 0:0:0:0:0:ffff:5079:4851
80.121.72.82 0:0:0:0:0:ffff:5079:4852
80.121.72.83 0:0:0:0:0:ffff:5079:4853
80.121.72.84 0:0:0:0:0:ffff:5079:4854
80.121.72.85 0:0:0:0:0:ffff:5079:4855
80.121.72.86 0:0:0:0:0:ffff:5079:4856
80.121.72.87 0:0:0:0:0:ffff:5079:4857
80.121.72.88 0:0:0:0:0:ffff:5079:4858
80.121.72.89 0:0:0:0:0:ffff:5079:4859
80.121.72.90 0:0:0:0:0:ffff:5079:485a
80.121.72.91 0:0:0:0:0:ffff:5079:485b
80.121.72.92 0:0:0:0:0:ffff:5079:485c
80.121.72.93 0:0:0:0:0:ffff:5079:485d
80.121.72.94 0:0:0:0:0:ffff:5079:485e
80.121.72.95 0:0:0:0:0:ffff:5079:485f
80.121.72.96 0:0:0:0:0:ffff:5079:4860
80.121.72.97 0:0:0:0:0:ffff:5079:4861
80.121.72.98 0:0:0:0:0:ffff:5079:4862
80.121.72.99 0:0:0:0:0:ffff:5079:4863
80.121.72.100 0:0:0:0:0:ffff:5079:4864
80.121.72.101 0:0:0:0:0:ffff:5079:4865
80.121.72.102 0:0:0:0:0:ffff:5079:4866
80.121.72.103 0:0:0:0:0:ffff:5079:4867
80.121.72.104 0:0:0:0:0:ffff:5079:4868
80.121.72.105 0:0:0:0:0:ffff:5079:4869
80.121.72.106 0:0:0:0:0:ffff:5079:486a
80.121.72.107 0:0:0:0:0:ffff:5079:486b
80.121.72.108 0:0:0:0:0:ffff:5079:486c
80.121.72.109 0:0:0:0:0:ffff:5079:486d
80.121.72.110 0:0:0:0:0:ffff:5079:486e
80.121.72.111 0:0:0:0:0:ffff:5079:486f
80.121.72.112 0:0:0:0:0:ffff:5079:4870
80.121.72.113 0:0:0:0:0:ffff:5079:4871
80.121.72.114 0:0:0:0:0:ffff:5079:4872
80.121.72.115 0:0:0:0:0:ffff:5079:4873
80.121.72.116 0:0:0:0:0:ffff:5079:4874
80.121.72.117 0:0:0:0:0:ffff:5079:4875
80.121.72.118 0:0:0:0:0:ffff:5079:4876
80.121.72.119 0:0:0:0:0:ffff:5079:4877
80.121.72.120 0:0:0:0:0:ffff:5079:4878


80.121.72.121 0:0:0:0:0:ffff:5079:4879
80.121.72.122 0:0:0:0:0:ffff:5079:487a
80.121.72.123 0:0:0:0:0:ffff:5079:487b
80.121.72.124 0:0:0:0:0:ffff:5079:487c
80.121.72.125 0:0:0:0:0:ffff:5079:487d
80.121.72.126 0:0:0:0:0:ffff:5079:487e
80.121.72.127 0:0:0:0:0:ffff:5079:487f
80.121.72.128 0:0:0:0:0:ffff:5079:4880
80.121.72.129 0:0:0:0:0:ffff:5079:4881
80.121.72.130 0:0:0:0:0:ffff:5079:4882
80.121.72.131 0:0:0:0:0:ffff:5079:4883
80.121.72.132 0:0:0:0:0:ffff:5079:4884
80.121.72.133 0:0:0:0:0:ffff:5079:4885
80.121.72.134 0:0:0:0:0:ffff:5079:4886
80.121.72.135 0:0:0:0:0:ffff:5079:4887
80.121.72.136 0:0:0:0:0:ffff:5079:4888
80.121.72.137 0:0:0:0:0:ffff:5079:4889
80.121.72.138 0:0:0:0:0:ffff:5079:488a
80.121.72.139 0:0:0:0:0:ffff:5079:488b
80.121.72.140 0:0:0:0:0:ffff:5079:488c
80.121.72.141 0:0:0:0:0:ffff:5079:488d
80.121.72.142 0:0:0:0:0:ffff:5079:488e
80.121.72.143 0:0:0:0:0:ffff:5079:488f
80.121.72.144 0:0:0:0:0:ffff:5079:4890
80.121.72.145 0:0:0:0:0:ffff:5079:4891
80.121.72.146 0:0:0:0:0:ffff:5079:4892
80.121.72.147 0:0:0:0:0:ffff:5079:4893
80.121.72.148 0:0:0:0:0:ffff:5079:4894
80.121.72.149 0:0:0:0:0:ffff:5079:4895
80.121.72.150 0:0:0:0:0:ffff:5079:4896
80.121.72.151 0:0:0:0:0:ffff:5079:4897
80.121.72.152 0:0:0:0:0:ffff:5079:4898
80.121.72.153 0:0:0:0:0:ffff:5079:4899
80.121.72.154 0:0:0:0:0:ffff:5079:489a
80.121.72.155 0:0:0:0:0:ffff:5079:489b
80.121.72.156 0:0:0:0:0:ffff:5079:489c
80.121.72.157 0:0:0:0:0:ffff:5079:489d
80.121.72.158 0:0:0:0:0:ffff:5079:489e
80.121.72.159 0:0:0:0:0:ffff:5079:489f
80.121.72.160 0:0:0:0:0:ffff:5079:48a0
80.121.72.161 0:0:0:0:0:ffff:5079:48a1
80.121.72.162 0:0:0:0:0:ffff:5079:48a2
80.121.72.163 0:0:0:0:0:ffff:5079:48a3
80.121.72.164 0:0:0:0:0:ffff:5079:48a4
80.121.72.165 0:0:0:0:0:ffff:5079:48a5
80.121.72.166 0:0:0:0:0:ffff:5079:48a6
80.121.72.167 0:0:0:0:0:ffff:5079:48a7
80.121.72.168 0:0:0:0:0:ffff:5079:48a8
80.121.72.169 0:0:0:0:0:ffff:5079:48a9
80.121.72.170 0:0:0:0:0:ffff:5079:48aa
80.121.72.171 0:0:0:0:0:ffff:5079:48ab
80.121.72.172 0:0:0:0:0:ffff:5079:48ac
80.121.72.173 0:0:0:0:0:ffff:5079:48ad
80.121.72.174 0:0:0:0:0:ffff:5079:48ae
80.121.72.175 0:0:0:0:0:ffff:5079:48af
80.121.72.176 0:0:0:0:0:ffff:5079:48b0
80.121.72.177 0:0:0:0:0:ffff:5079:48b1
80.121.72.178 0:0:0:0:0:ffff:5079:48b2
80.121.72.179 0:0:0:0:0:ffff:5079:48b3
80.121.72.180 0:0:0:0:0:ffff:5079:48b4


80.121.72.181 0:0:0:0:0:ffff:5079:48b5
80.121.72.182 0:0:0:0:0:ffff:5079:48b6
80.121.72.183 0:0:0:0:0:ffff:5079:48b7
80.121.72.184 0:0:0:0:0:ffff:5079:48b8
80.121.72.185 0:0:0:0:0:ffff:5079:48b9
80.121.72.186 0:0:0:0:0:ffff:5079:48ba
80.121.72.187 0:0:0:0:0:ffff:5079:48bb
80.121.72.188 0:0:0:0:0:ffff:5079:48bc
80.121.72.189 0:0:0:0:0:ffff:5079:48bd
80.121.72.190 0:0:0:0:0:ffff:5079:48be
80.121.72.191 0:0:0:0:0:ffff:5079:48bf
80.121.72.192 0:0:0:0:0:ffff:5079:48c0
80.121.72.193 0:0:0:0:0:ffff:5079:48c1
80.121.72.194 0:0:0:0:0:ffff:5079:48c2
80.121.72.195 0:0:0:0:0:ffff:5079:48c3
80.121.72.196 0:0:0:0:0:ffff:5079:48c4
80.121.72.197 0:0:0:0:0:ffff:5079:48c5
80.121.72.198 0:0:0:0:0:ffff:5079:48c6
80.121.72.199 0:0:0:0:0:ffff:5079:48c7
80.121.72.200 0:0:0:0:0:ffff:5079:48c8
80.121.72.201 0:0:0:0:0:ffff:5079:48c9
80.121.72.202 0:0:0:0:0:ffff:5079:48ca
80.121.72.203 0:0:0:0:0:ffff:5079:48cb
80.121.72.204 0:0:0:0:0:ffff:5079:48cc
80.121.72.205 0:0:0:0:0:ffff:5079:48cd
80.121.72.206 0:0:0:0:0:ffff:5079:48ce
80.121.72.207 0:0:0:0:0:ffff:5079:48cf
80.121.72.208 0:0:0:0:0:ffff:5079:48d0
80.121.72.209 0:0:0:0:0:ffff:5079:48d1
80.121.72.210 0:0:0:0:0:ffff:5079:48d2
80.121.72.211 0:0:0:0:0:ffff:5079:48d3
80.121.72.212 0:0:0:0:0:ffff:5079:48d4
80.121.72.213 0:0:0:0:0:ffff:5079:48d5
80.121.72.214 0:0:0:0:0:ffff:5079:48d6
80.121.72.215 0:0:0:0:0:ffff:5079:48d7
80.121.72.216 0:0:0:0:0:ffff:5079:48d8
80.121.72.217 0:0:0:0:0:ffff:5079:48d9
80.121.72.218 0:0:0:0:0:ffff:5079:48da
80.121.72.219 0:0:0:0:0:ffff:5079:48db
80.121.72.220 0:0:0:0:0:ffff:5079:48dc
80.121.72.221 0:0:0:0:0:ffff:5079:48dd
80.121.72.222 0:0:0:0:0:ffff:5079:48de
80.121.72.223 0:0:0:0:0:ffff:5079:48df
80.121.72.224 0:0:0:0:0:ffff:5079:48e0
80.121.72.225 0:0:0:0:0:ffff:5079:48e1
80.121.72.226 0:0:0:0:0:ffff:5079:48e2
80.121.72.227 0:0:0:0:0:ffff:5079:48e3
80.121.72.228 0:0:0:0:0:ffff:5079:48e4
80.121.72.229 0:0:0:0:0:ffff:5079:48e5
80.121.72.230 0:0:0:0:0:ffff:5079:48e6
80.121.72.231 0:0:0:0:0:ffff:5079:48e7
80.121.72.232 0:0:0:0:0:ffff:5079:48e8
80.121.72.233 0:0:0:0:0:ffff:5079:48e9
80.121.72.234 0:0:0:0:0:ffff:5079:48ea
80.121.72.235 0:0:0:0:0:ffff:5079:48eb
80.121.72.236 0:0:0:0:0:ffff:5079:48ec
80.121.72.237 0:0:0:0:0:ffff:5079:48ed
80.121.72.238 0:0:0:0:0:ffff:5079:48ee
80.121.72.239 0:0:0:0:0:ffff:5079:48ef
80.121.72.240 0:0:0:0:0:ffff:5079:48f0
80.121.72.241 0:0:0:0:0:ffff:5079:48f1
80.121.72.242 0:0:0:0:0:ffff:5079:48f2
80.121.72.243 0:0:0:0:0:ffff:5079:48f3
80.121.72.244 0:0:0:0:0:ffff:5079:48f4
80.121.72.245 0:0:0:0:0:ffff:5079:48f5
80.121.72.246 0:0:0:0:0:ffff:5079:48f6
80.121.72.247 0:0:0:0:0:ffff:5079:48f7
80.121.72.248 0:0:0:0:0:ffff:5079:48f8
80.121.72.249 0:0:0:0:0:ffff:5079:48f9
80.121.72.250 0:0:0:0:0:ffff:5079:48fa
80.121.72.251 0:0:0:0:0:ffff:5079:48fb
80.121.72.252 0:0:0:0:0:ffff:5079:48fc
80.121.72.253 0:0:0:0:0:ffff:5079:48fd
80.121.72.254 0:0:0:0:0:ffff:5079:48fe
80.121.72.255 0:0:0:0:0:ffff:5079:48ff


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.