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
65.76.72.1 0:0:0:0:0:ffff:414c:4801
65.76.72.2 0:0:0:0:0:ffff:414c:4802
65.76.72.3 0:0:0:0:0:ffff:414c:4803
65.76.72.4 0:0:0:0:0:ffff:414c:4804
65.76.72.5 0:0:0:0:0:ffff:414c:4805
65.76.72.6 0:0:0:0:0:ffff:414c:4806
65.76.72.7 0:0:0:0:0:ffff:414c:4807
65.76.72.8 0:0:0:0:0:ffff:414c:4808
65.76.72.9 0:0:0:0:0:ffff:414c:4809
65.76.72.10 0:0:0:0:0:ffff:414c:480a
65.76.72.11 0:0:0:0:0:ffff:414c:480b
65.76.72.12 0:0:0:0:0:ffff:414c:480c
65.76.72.13 0:0:0:0:0:ffff:414c:480d
65.76.72.14 0:0:0:0:0:ffff:414c:480e
65.76.72.15 0:0:0:0:0:ffff:414c:480f
65.76.72.16 0:0:0:0:0:ffff:414c:4810
65.76.72.17 0:0:0:0:0:ffff:414c:4811
65.76.72.18 0:0:0:0:0:ffff:414c:4812
65.76.72.19 0:0:0:0:0:ffff:414c:4813
65.76.72.20 0:0:0:0:0:ffff:414c:4814
65.76.72.21 0:0:0:0:0:ffff:414c:4815
65.76.72.22 0:0:0:0:0:ffff:414c:4816
65.76.72.23 0:0:0:0:0:ffff:414c:4817
65.76.72.24 0:0:0:0:0:ffff:414c:4818
65.76.72.25 0:0:0:0:0:ffff:414c:4819
65.76.72.26 0:0:0:0:0:ffff:414c:481a
65.76.72.27 0:0:0:0:0:ffff:414c:481b
65.76.72.28 0:0:0:0:0:ffff:414c:481c
65.76.72.29 0:0:0:0:0:ffff:414c:481d
65.76.72.30 0:0:0:0:0:ffff:414c:481e
65.76.72.31 0:0:0:0:0:ffff:414c:481f
65.76.72.32 0:0:0:0:0:ffff:414c:4820
65.76.72.33 0:0:0:0:0:ffff:414c:4821
65.76.72.34 0:0:0:0:0:ffff:414c:4822
65.76.72.35 0:0:0:0:0:ffff:414c:4823
65.76.72.36 0:0:0:0:0:ffff:414c:4824
65.76.72.37 0:0:0:0:0:ffff:414c:4825
65.76.72.38 0:0:0:0:0:ffff:414c:4826
65.76.72.39 0:0:0:0:0:ffff:414c:4827
65.76.72.40 0:0:0:0:0:ffff:414c:4828
65.76.72.41 0:0:0:0:0:ffff:414c:4829
65.76.72.42 0:0:0:0:0:ffff:414c:482a
65.76.72.43 0:0:0:0:0:ffff:414c:482b
65.76.72.44 0:0:0:0:0:ffff:414c:482c
65.76.72.45 0:0:0:0:0:ffff:414c:482d
65.76.72.46 0:0:0:0:0:ffff:414c:482e
65.76.72.47 0:0:0:0:0:ffff:414c:482f
65.76.72.48 0:0:0:0:0:ffff:414c:4830
65.76.72.49 0:0:0:0:0:ffff:414c:4831
65.76.72.50 0:0:0:0:0:ffff:414c:4832
65.76.72.51 0:0:0:0:0:ffff:414c:4833
65.76.72.52 0:0:0:0:0:ffff:414c:4834
65.76.72.53 0:0:0:0:0:ffff:414c:4835
65.76.72.54 0:0:0:0:0:ffff:414c:4836
65.76.72.55 0:0:0:0:0:ffff:414c:4837
65.76.72.56 0:0:0:0:0:ffff:414c:4838
65.76.72.57 0:0:0:0:0:ffff:414c:4839
65.76.72.58 0:0:0:0:0:ffff:414c:483a
65.76.72.59 0:0:0:0:0:ffff:414c:483b
65.76.72.60 0:0:0:0:0:ffff:414c:483c


65.76.72.61 0:0:0:0:0:ffff:414c:483d
65.76.72.62 0:0:0:0:0:ffff:414c:483e
65.76.72.63 0:0:0:0:0:ffff:414c:483f
65.76.72.64 0:0:0:0:0:ffff:414c:4840
65.76.72.65 0:0:0:0:0:ffff:414c:4841
65.76.72.66 0:0:0:0:0:ffff:414c:4842
65.76.72.67 0:0:0:0:0:ffff:414c:4843
65.76.72.68 0:0:0:0:0:ffff:414c:4844
65.76.72.69 0:0:0:0:0:ffff:414c:4845
65.76.72.70 0:0:0:0:0:ffff:414c:4846
65.76.72.71 0:0:0:0:0:ffff:414c:4847
65.76.72.72 0:0:0:0:0:ffff:414c:4848
65.76.72.73 0:0:0:0:0:ffff:414c:4849
65.76.72.74 0:0:0:0:0:ffff:414c:484a
65.76.72.75 0:0:0:0:0:ffff:414c:484b
65.76.72.76 0:0:0:0:0:ffff:414c:484c
65.76.72.77 0:0:0:0:0:ffff:414c:484d
65.76.72.78 0:0:0:0:0:ffff:414c:484e
65.76.72.79 0:0:0:0:0:ffff:414c:484f
65.76.72.80 0:0:0:0:0:ffff:414c:4850
65.76.72.81 0:0:0:0:0:ffff:414c:4851
65.76.72.82 0:0:0:0:0:ffff:414c:4852
65.76.72.83 0:0:0:0:0:ffff:414c:4853
65.76.72.84 0:0:0:0:0:ffff:414c:4854
65.76.72.85 0:0:0:0:0:ffff:414c:4855
65.76.72.86 0:0:0:0:0:ffff:414c:4856
65.76.72.87 0:0:0:0:0:ffff:414c:4857
65.76.72.88 0:0:0:0:0:ffff:414c:4858
65.76.72.89 0:0:0:0:0:ffff:414c:4859
65.76.72.90 0:0:0:0:0:ffff:414c:485a
65.76.72.91 0:0:0:0:0:ffff:414c:485b
65.76.72.92 0:0:0:0:0:ffff:414c:485c
65.76.72.93 0:0:0:0:0:ffff:414c:485d
65.76.72.94 0:0:0:0:0:ffff:414c:485e
65.76.72.95 0:0:0:0:0:ffff:414c:485f
65.76.72.96 0:0:0:0:0:ffff:414c:4860
65.76.72.97 0:0:0:0:0:ffff:414c:4861
65.76.72.98 0:0:0:0:0:ffff:414c:4862
65.76.72.99 0:0:0:0:0:ffff:414c:4863
65.76.72.100 0:0:0:0:0:ffff:414c:4864
65.76.72.101 0:0:0:0:0:ffff:414c:4865
65.76.72.102 0:0:0:0:0:ffff:414c:4866
65.76.72.103 0:0:0:0:0:ffff:414c:4867
65.76.72.104 0:0:0:0:0:ffff:414c:4868
65.76.72.105 0:0:0:0:0:ffff:414c:4869
65.76.72.106 0:0:0:0:0:ffff:414c:486a
65.76.72.107 0:0:0:0:0:ffff:414c:486b
65.76.72.108 0:0:0:0:0:ffff:414c:486c
65.76.72.109 0:0:0:0:0:ffff:414c:486d
65.76.72.110 0:0:0:0:0:ffff:414c:486e
65.76.72.111 0:0:0:0:0:ffff:414c:486f
65.76.72.112 0:0:0:0:0:ffff:414c:4870
65.76.72.113 0:0:0:0:0:ffff:414c:4871
65.76.72.114 0:0:0:0:0:ffff:414c:4872
65.76.72.115 0:0:0:0:0:ffff:414c:4873
65.76.72.116 0:0:0:0:0:ffff:414c:4874
65.76.72.117 0:0:0:0:0:ffff:414c:4875
65.76.72.118 0:0:0:0:0:ffff:414c:4876
65.76.72.119 0:0:0:0:0:ffff:414c:4877
65.76.72.120 0:0:0:0:0:ffff:414c:4878


65.76.72.121 0:0:0:0:0:ffff:414c:4879
65.76.72.122 0:0:0:0:0:ffff:414c:487a
65.76.72.123 0:0:0:0:0:ffff:414c:487b
65.76.72.124 0:0:0:0:0:ffff:414c:487c
65.76.72.125 0:0:0:0:0:ffff:414c:487d
65.76.72.126 0:0:0:0:0:ffff:414c:487e
65.76.72.127 0:0:0:0:0:ffff:414c:487f
65.76.72.128 0:0:0:0:0:ffff:414c:4880
65.76.72.129 0:0:0:0:0:ffff:414c:4881
65.76.72.130 0:0:0:0:0:ffff:414c:4882
65.76.72.131 0:0:0:0:0:ffff:414c:4883
65.76.72.132 0:0:0:0:0:ffff:414c:4884
65.76.72.133 0:0:0:0:0:ffff:414c:4885
65.76.72.134 0:0:0:0:0:ffff:414c:4886
65.76.72.135 0:0:0:0:0:ffff:414c:4887
65.76.72.136 0:0:0:0:0:ffff:414c:4888
65.76.72.137 0:0:0:0:0:ffff:414c:4889
65.76.72.138 0:0:0:0:0:ffff:414c:488a
65.76.72.139 0:0:0:0:0:ffff:414c:488b
65.76.72.140 0:0:0:0:0:ffff:414c:488c
65.76.72.141 0:0:0:0:0:ffff:414c:488d
65.76.72.142 0:0:0:0:0:ffff:414c:488e
65.76.72.143 0:0:0:0:0:ffff:414c:488f
65.76.72.144 0:0:0:0:0:ffff:414c:4890
65.76.72.145 0:0:0:0:0:ffff:414c:4891
65.76.72.146 0:0:0:0:0:ffff:414c:4892
65.76.72.147 0:0:0:0:0:ffff:414c:4893
65.76.72.148 0:0:0:0:0:ffff:414c:4894
65.76.72.149 0:0:0:0:0:ffff:414c:4895
65.76.72.150 0:0:0:0:0:ffff:414c:4896
65.76.72.151 0:0:0:0:0:ffff:414c:4897
65.76.72.152 0:0:0:0:0:ffff:414c:4898
65.76.72.153 0:0:0:0:0:ffff:414c:4899
65.76.72.154 0:0:0:0:0:ffff:414c:489a
65.76.72.155 0:0:0:0:0:ffff:414c:489b
65.76.72.156 0:0:0:0:0:ffff:414c:489c
65.76.72.157 0:0:0:0:0:ffff:414c:489d
65.76.72.158 0:0:0:0:0:ffff:414c:489e
65.76.72.159 0:0:0:0:0:ffff:414c:489f
65.76.72.160 0:0:0:0:0:ffff:414c:48a0
65.76.72.161 0:0:0:0:0:ffff:414c:48a1
65.76.72.162 0:0:0:0:0:ffff:414c:48a2
65.76.72.163 0:0:0:0:0:ffff:414c:48a3
65.76.72.164 0:0:0:0:0:ffff:414c:48a4
65.76.72.165 0:0:0:0:0:ffff:414c:48a5
65.76.72.166 0:0:0:0:0:ffff:414c:48a6
65.76.72.167 0:0:0:0:0:ffff:414c:48a7
65.76.72.168 0:0:0:0:0:ffff:414c:48a8
65.76.72.169 0:0:0:0:0:ffff:414c:48a9
65.76.72.170 0:0:0:0:0:ffff:414c:48aa
65.76.72.171 0:0:0:0:0:ffff:414c:48ab
65.76.72.172 0:0:0:0:0:ffff:414c:48ac
65.76.72.173 0:0:0:0:0:ffff:414c:48ad
65.76.72.174 0:0:0:0:0:ffff:414c:48ae
65.76.72.175 0:0:0:0:0:ffff:414c:48af
65.76.72.176 0:0:0:0:0:ffff:414c:48b0
65.76.72.177 0:0:0:0:0:ffff:414c:48b1
65.76.72.178 0:0:0:0:0:ffff:414c:48b2
65.76.72.179 0:0:0:0:0:ffff:414c:48b3
65.76.72.180 0:0:0:0:0:ffff:414c:48b4


65.76.72.181 0:0:0:0:0:ffff:414c:48b5
65.76.72.182 0:0:0:0:0:ffff:414c:48b6
65.76.72.183 0:0:0:0:0:ffff:414c:48b7
65.76.72.184 0:0:0:0:0:ffff:414c:48b8
65.76.72.185 0:0:0:0:0:ffff:414c:48b9
65.76.72.186 0:0:0:0:0:ffff:414c:48ba
65.76.72.187 0:0:0:0:0:ffff:414c:48bb
65.76.72.188 0:0:0:0:0:ffff:414c:48bc
65.76.72.189 0:0:0:0:0:ffff:414c:48bd
65.76.72.190 0:0:0:0:0:ffff:414c:48be
65.76.72.191 0:0:0:0:0:ffff:414c:48bf
65.76.72.192 0:0:0:0:0:ffff:414c:48c0
65.76.72.193 0:0:0:0:0:ffff:414c:48c1
65.76.72.194 0:0:0:0:0:ffff:414c:48c2
65.76.72.195 0:0:0:0:0:ffff:414c:48c3
65.76.72.196 0:0:0:0:0:ffff:414c:48c4
65.76.72.197 0:0:0:0:0:ffff:414c:48c5
65.76.72.198 0:0:0:0:0:ffff:414c:48c6
65.76.72.199 0:0:0:0:0:ffff:414c:48c7
65.76.72.200 0:0:0:0:0:ffff:414c:48c8
65.76.72.201 0:0:0:0:0:ffff:414c:48c9
65.76.72.202 0:0:0:0:0:ffff:414c:48ca
65.76.72.203 0:0:0:0:0:ffff:414c:48cb
65.76.72.204 0:0:0:0:0:ffff:414c:48cc
65.76.72.205 0:0:0:0:0:ffff:414c:48cd
65.76.72.206 0:0:0:0:0:ffff:414c:48ce
65.76.72.207 0:0:0:0:0:ffff:414c:48cf
65.76.72.208 0:0:0:0:0:ffff:414c:48d0
65.76.72.209 0:0:0:0:0:ffff:414c:48d1
65.76.72.210 0:0:0:0:0:ffff:414c:48d2
65.76.72.211 0:0:0:0:0:ffff:414c:48d3
65.76.72.212 0:0:0:0:0:ffff:414c:48d4
65.76.72.213 0:0:0:0:0:ffff:414c:48d5
65.76.72.214 0:0:0:0:0:ffff:414c:48d6
65.76.72.215 0:0:0:0:0:ffff:414c:48d7
65.76.72.216 0:0:0:0:0:ffff:414c:48d8
65.76.72.217 0:0:0:0:0:ffff:414c:48d9
65.76.72.218 0:0:0:0:0:ffff:414c:48da
65.76.72.219 0:0:0:0:0:ffff:414c:48db
65.76.72.220 0:0:0:0:0:ffff:414c:48dc
65.76.72.221 0:0:0:0:0:ffff:414c:48dd
65.76.72.222 0:0:0:0:0:ffff:414c:48de
65.76.72.223 0:0:0:0:0:ffff:414c:48df
65.76.72.224 0:0:0:0:0:ffff:414c:48e0
65.76.72.225 0:0:0:0:0:ffff:414c:48e1
65.76.72.226 0:0:0:0:0:ffff:414c:48e2
65.76.72.227 0:0:0:0:0:ffff:414c:48e3
65.76.72.228 0:0:0:0:0:ffff:414c:48e4
65.76.72.229 0:0:0:0:0:ffff:414c:48e5
65.76.72.230 0:0:0:0:0:ffff:414c:48e6
65.76.72.231 0:0:0:0:0:ffff:414c:48e7
65.76.72.232 0:0:0:0:0:ffff:414c:48e8
65.76.72.233 0:0:0:0:0:ffff:414c:48e9
65.76.72.234 0:0:0:0:0:ffff:414c:48ea
65.76.72.235 0:0:0:0:0:ffff:414c:48eb
65.76.72.236 0:0:0:0:0:ffff:414c:48ec
65.76.72.237 0:0:0:0:0:ffff:414c:48ed
65.76.72.238 0:0:0:0:0:ffff:414c:48ee
65.76.72.239 0:0:0:0:0:ffff:414c:48ef
65.76.72.240 0:0:0:0:0:ffff:414c:48f0
65.76.72.241 0:0:0:0:0:ffff:414c:48f1
65.76.72.242 0:0:0:0:0:ffff:414c:48f2
65.76.72.243 0:0:0:0:0:ffff:414c:48f3
65.76.72.244 0:0:0:0:0:ffff:414c:48f4
65.76.72.245 0:0:0:0:0:ffff:414c:48f5
65.76.72.246 0:0:0:0:0:ffff:414c:48f6
65.76.72.247 0:0:0:0:0:ffff:414c:48f7
65.76.72.248 0:0:0:0:0:ffff:414c:48f8
65.76.72.249 0:0:0:0:0:ffff:414c:48f9
65.76.72.250 0:0:0:0:0:ffff:414c:48fa
65.76.72.251 0:0:0:0:0:ffff:414c:48fb
65.76.72.252 0:0:0:0:0:ffff:414c:48fc
65.76.72.253 0:0:0:0:0:ffff:414c:48fd
65.76.72.254 0:0:0:0:0:ffff:414c:48fe
65.76.72.255 0:0:0:0:0:ffff:414c: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.