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
101.17.72.1 0:0:0:0:0:ffff:6511:4801
101.17.72.2 0:0:0:0:0:ffff:6511:4802
101.17.72.3 0:0:0:0:0:ffff:6511:4803
101.17.72.4 0:0:0:0:0:ffff:6511:4804
101.17.72.5 0:0:0:0:0:ffff:6511:4805
101.17.72.6 0:0:0:0:0:ffff:6511:4806
101.17.72.7 0:0:0:0:0:ffff:6511:4807
101.17.72.8 0:0:0:0:0:ffff:6511:4808
101.17.72.9 0:0:0:0:0:ffff:6511:4809
101.17.72.10 0:0:0:0:0:ffff:6511:480a
101.17.72.11 0:0:0:0:0:ffff:6511:480b
101.17.72.12 0:0:0:0:0:ffff:6511:480c
101.17.72.13 0:0:0:0:0:ffff:6511:480d
101.17.72.14 0:0:0:0:0:ffff:6511:480e
101.17.72.15 0:0:0:0:0:ffff:6511:480f
101.17.72.16 0:0:0:0:0:ffff:6511:4810
101.17.72.17 0:0:0:0:0:ffff:6511:4811
101.17.72.18 0:0:0:0:0:ffff:6511:4812
101.17.72.19 0:0:0:0:0:ffff:6511:4813
101.17.72.20 0:0:0:0:0:ffff:6511:4814
101.17.72.21 0:0:0:0:0:ffff:6511:4815
101.17.72.22 0:0:0:0:0:ffff:6511:4816
101.17.72.23 0:0:0:0:0:ffff:6511:4817
101.17.72.24 0:0:0:0:0:ffff:6511:4818
101.17.72.25 0:0:0:0:0:ffff:6511:4819
101.17.72.26 0:0:0:0:0:ffff:6511:481a
101.17.72.27 0:0:0:0:0:ffff:6511:481b
101.17.72.28 0:0:0:0:0:ffff:6511:481c
101.17.72.29 0:0:0:0:0:ffff:6511:481d
101.17.72.30 0:0:0:0:0:ffff:6511:481e
101.17.72.31 0:0:0:0:0:ffff:6511:481f
101.17.72.32 0:0:0:0:0:ffff:6511:4820
101.17.72.33 0:0:0:0:0:ffff:6511:4821
101.17.72.34 0:0:0:0:0:ffff:6511:4822
101.17.72.35 0:0:0:0:0:ffff:6511:4823
101.17.72.36 0:0:0:0:0:ffff:6511:4824
101.17.72.37 0:0:0:0:0:ffff:6511:4825
101.17.72.38 0:0:0:0:0:ffff:6511:4826
101.17.72.39 0:0:0:0:0:ffff:6511:4827
101.17.72.40 0:0:0:0:0:ffff:6511:4828
101.17.72.41 0:0:0:0:0:ffff:6511:4829
101.17.72.42 0:0:0:0:0:ffff:6511:482a
101.17.72.43 0:0:0:0:0:ffff:6511:482b
101.17.72.44 0:0:0:0:0:ffff:6511:482c
101.17.72.45 0:0:0:0:0:ffff:6511:482d
101.17.72.46 0:0:0:0:0:ffff:6511:482e
101.17.72.47 0:0:0:0:0:ffff:6511:482f
101.17.72.48 0:0:0:0:0:ffff:6511:4830
101.17.72.49 0:0:0:0:0:ffff:6511:4831
101.17.72.50 0:0:0:0:0:ffff:6511:4832
101.17.72.51 0:0:0:0:0:ffff:6511:4833
101.17.72.52 0:0:0:0:0:ffff:6511:4834
101.17.72.53 0:0:0:0:0:ffff:6511:4835
101.17.72.54 0:0:0:0:0:ffff:6511:4836
101.17.72.55 0:0:0:0:0:ffff:6511:4837
101.17.72.56 0:0:0:0:0:ffff:6511:4838
101.17.72.57 0:0:0:0:0:ffff:6511:4839
101.17.72.58 0:0:0:0:0:ffff:6511:483a
101.17.72.59 0:0:0:0:0:ffff:6511:483b
101.17.72.60 0:0:0:0:0:ffff:6511:483c


101.17.72.61 0:0:0:0:0:ffff:6511:483d
101.17.72.62 0:0:0:0:0:ffff:6511:483e
101.17.72.63 0:0:0:0:0:ffff:6511:483f
101.17.72.64 0:0:0:0:0:ffff:6511:4840
101.17.72.65 0:0:0:0:0:ffff:6511:4841
101.17.72.66 0:0:0:0:0:ffff:6511:4842
101.17.72.67 0:0:0:0:0:ffff:6511:4843
101.17.72.68 0:0:0:0:0:ffff:6511:4844
101.17.72.69 0:0:0:0:0:ffff:6511:4845
101.17.72.70 0:0:0:0:0:ffff:6511:4846
101.17.72.71 0:0:0:0:0:ffff:6511:4847
101.17.72.72 0:0:0:0:0:ffff:6511:4848
101.17.72.73 0:0:0:0:0:ffff:6511:4849
101.17.72.74 0:0:0:0:0:ffff:6511:484a
101.17.72.75 0:0:0:0:0:ffff:6511:484b
101.17.72.76 0:0:0:0:0:ffff:6511:484c
101.17.72.77 0:0:0:0:0:ffff:6511:484d
101.17.72.78 0:0:0:0:0:ffff:6511:484e
101.17.72.79 0:0:0:0:0:ffff:6511:484f
101.17.72.80 0:0:0:0:0:ffff:6511:4850
101.17.72.81 0:0:0:0:0:ffff:6511:4851
101.17.72.82 0:0:0:0:0:ffff:6511:4852
101.17.72.83 0:0:0:0:0:ffff:6511:4853
101.17.72.84 0:0:0:0:0:ffff:6511:4854
101.17.72.85 0:0:0:0:0:ffff:6511:4855
101.17.72.86 0:0:0:0:0:ffff:6511:4856
101.17.72.87 0:0:0:0:0:ffff:6511:4857
101.17.72.88 0:0:0:0:0:ffff:6511:4858
101.17.72.89 0:0:0:0:0:ffff:6511:4859
101.17.72.90 0:0:0:0:0:ffff:6511:485a
101.17.72.91 0:0:0:0:0:ffff:6511:485b
101.17.72.92 0:0:0:0:0:ffff:6511:485c
101.17.72.93 0:0:0:0:0:ffff:6511:485d
101.17.72.94 0:0:0:0:0:ffff:6511:485e
101.17.72.95 0:0:0:0:0:ffff:6511:485f
101.17.72.96 0:0:0:0:0:ffff:6511:4860
101.17.72.97 0:0:0:0:0:ffff:6511:4861
101.17.72.98 0:0:0:0:0:ffff:6511:4862
101.17.72.99 0:0:0:0:0:ffff:6511:4863
101.17.72.100 0:0:0:0:0:ffff:6511:4864
101.17.72.101 0:0:0:0:0:ffff:6511:4865
101.17.72.102 0:0:0:0:0:ffff:6511:4866
101.17.72.103 0:0:0:0:0:ffff:6511:4867
101.17.72.104 0:0:0:0:0:ffff:6511:4868
101.17.72.105 0:0:0:0:0:ffff:6511:4869
101.17.72.106 0:0:0:0:0:ffff:6511:486a
101.17.72.107 0:0:0:0:0:ffff:6511:486b
101.17.72.108 0:0:0:0:0:ffff:6511:486c
101.17.72.109 0:0:0:0:0:ffff:6511:486d
101.17.72.110 0:0:0:0:0:ffff:6511:486e
101.17.72.111 0:0:0:0:0:ffff:6511:486f
101.17.72.112 0:0:0:0:0:ffff:6511:4870
101.17.72.113 0:0:0:0:0:ffff:6511:4871
101.17.72.114 0:0:0:0:0:ffff:6511:4872
101.17.72.115 0:0:0:0:0:ffff:6511:4873
101.17.72.116 0:0:0:0:0:ffff:6511:4874
101.17.72.117 0:0:0:0:0:ffff:6511:4875
101.17.72.118 0:0:0:0:0:ffff:6511:4876
101.17.72.119 0:0:0:0:0:ffff:6511:4877
101.17.72.120 0:0:0:0:0:ffff:6511:4878


101.17.72.121 0:0:0:0:0:ffff:6511:4879
101.17.72.122 0:0:0:0:0:ffff:6511:487a
101.17.72.123 0:0:0:0:0:ffff:6511:487b
101.17.72.124 0:0:0:0:0:ffff:6511:487c
101.17.72.125 0:0:0:0:0:ffff:6511:487d
101.17.72.126 0:0:0:0:0:ffff:6511:487e
101.17.72.127 0:0:0:0:0:ffff:6511:487f
101.17.72.128 0:0:0:0:0:ffff:6511:4880
101.17.72.129 0:0:0:0:0:ffff:6511:4881
101.17.72.130 0:0:0:0:0:ffff:6511:4882
101.17.72.131 0:0:0:0:0:ffff:6511:4883
101.17.72.132 0:0:0:0:0:ffff:6511:4884
101.17.72.133 0:0:0:0:0:ffff:6511:4885
101.17.72.134 0:0:0:0:0:ffff:6511:4886
101.17.72.135 0:0:0:0:0:ffff:6511:4887
101.17.72.136 0:0:0:0:0:ffff:6511:4888
101.17.72.137 0:0:0:0:0:ffff:6511:4889
101.17.72.138 0:0:0:0:0:ffff:6511:488a
101.17.72.139 0:0:0:0:0:ffff:6511:488b
101.17.72.140 0:0:0:0:0:ffff:6511:488c
101.17.72.141 0:0:0:0:0:ffff:6511:488d
101.17.72.142 0:0:0:0:0:ffff:6511:488e
101.17.72.143 0:0:0:0:0:ffff:6511:488f
101.17.72.144 0:0:0:0:0:ffff:6511:4890
101.17.72.145 0:0:0:0:0:ffff:6511:4891
101.17.72.146 0:0:0:0:0:ffff:6511:4892
101.17.72.147 0:0:0:0:0:ffff:6511:4893
101.17.72.148 0:0:0:0:0:ffff:6511:4894
101.17.72.149 0:0:0:0:0:ffff:6511:4895
101.17.72.150 0:0:0:0:0:ffff:6511:4896
101.17.72.151 0:0:0:0:0:ffff:6511:4897
101.17.72.152 0:0:0:0:0:ffff:6511:4898
101.17.72.153 0:0:0:0:0:ffff:6511:4899
101.17.72.154 0:0:0:0:0:ffff:6511:489a
101.17.72.155 0:0:0:0:0:ffff:6511:489b
101.17.72.156 0:0:0:0:0:ffff:6511:489c
101.17.72.157 0:0:0:0:0:ffff:6511:489d
101.17.72.158 0:0:0:0:0:ffff:6511:489e
101.17.72.159 0:0:0:0:0:ffff:6511:489f
101.17.72.160 0:0:0:0:0:ffff:6511:48a0
101.17.72.161 0:0:0:0:0:ffff:6511:48a1
101.17.72.162 0:0:0:0:0:ffff:6511:48a2
101.17.72.163 0:0:0:0:0:ffff:6511:48a3
101.17.72.164 0:0:0:0:0:ffff:6511:48a4
101.17.72.165 0:0:0:0:0:ffff:6511:48a5
101.17.72.166 0:0:0:0:0:ffff:6511:48a6
101.17.72.167 0:0:0:0:0:ffff:6511:48a7
101.17.72.168 0:0:0:0:0:ffff:6511:48a8
101.17.72.169 0:0:0:0:0:ffff:6511:48a9
101.17.72.170 0:0:0:0:0:ffff:6511:48aa
101.17.72.171 0:0:0:0:0:ffff:6511:48ab
101.17.72.172 0:0:0:0:0:ffff:6511:48ac
101.17.72.173 0:0:0:0:0:ffff:6511:48ad
101.17.72.174 0:0:0:0:0:ffff:6511:48ae
101.17.72.175 0:0:0:0:0:ffff:6511:48af
101.17.72.176 0:0:0:0:0:ffff:6511:48b0
101.17.72.177 0:0:0:0:0:ffff:6511:48b1
101.17.72.178 0:0:0:0:0:ffff:6511:48b2
101.17.72.179 0:0:0:0:0:ffff:6511:48b3
101.17.72.180 0:0:0:0:0:ffff:6511:48b4


101.17.72.181 0:0:0:0:0:ffff:6511:48b5
101.17.72.182 0:0:0:0:0:ffff:6511:48b6
101.17.72.183 0:0:0:0:0:ffff:6511:48b7
101.17.72.184 0:0:0:0:0:ffff:6511:48b8
101.17.72.185 0:0:0:0:0:ffff:6511:48b9
101.17.72.186 0:0:0:0:0:ffff:6511:48ba
101.17.72.187 0:0:0:0:0:ffff:6511:48bb
101.17.72.188 0:0:0:0:0:ffff:6511:48bc
101.17.72.189 0:0:0:0:0:ffff:6511:48bd
101.17.72.190 0:0:0:0:0:ffff:6511:48be
101.17.72.191 0:0:0:0:0:ffff:6511:48bf
101.17.72.192 0:0:0:0:0:ffff:6511:48c0
101.17.72.193 0:0:0:0:0:ffff:6511:48c1
101.17.72.194 0:0:0:0:0:ffff:6511:48c2
101.17.72.195 0:0:0:0:0:ffff:6511:48c3
101.17.72.196 0:0:0:0:0:ffff:6511:48c4
101.17.72.197 0:0:0:0:0:ffff:6511:48c5
101.17.72.198 0:0:0:0:0:ffff:6511:48c6
101.17.72.199 0:0:0:0:0:ffff:6511:48c7
101.17.72.200 0:0:0:0:0:ffff:6511:48c8
101.17.72.201 0:0:0:0:0:ffff:6511:48c9
101.17.72.202 0:0:0:0:0:ffff:6511:48ca
101.17.72.203 0:0:0:0:0:ffff:6511:48cb
101.17.72.204 0:0:0:0:0:ffff:6511:48cc
101.17.72.205 0:0:0:0:0:ffff:6511:48cd
101.17.72.206 0:0:0:0:0:ffff:6511:48ce
101.17.72.207 0:0:0:0:0:ffff:6511:48cf
101.17.72.208 0:0:0:0:0:ffff:6511:48d0
101.17.72.209 0:0:0:0:0:ffff:6511:48d1
101.17.72.210 0:0:0:0:0:ffff:6511:48d2
101.17.72.211 0:0:0:0:0:ffff:6511:48d3
101.17.72.212 0:0:0:0:0:ffff:6511:48d4
101.17.72.213 0:0:0:0:0:ffff:6511:48d5
101.17.72.214 0:0:0:0:0:ffff:6511:48d6
101.17.72.215 0:0:0:0:0:ffff:6511:48d7
101.17.72.216 0:0:0:0:0:ffff:6511:48d8
101.17.72.217 0:0:0:0:0:ffff:6511:48d9
101.17.72.218 0:0:0:0:0:ffff:6511:48da
101.17.72.219 0:0:0:0:0:ffff:6511:48db
101.17.72.220 0:0:0:0:0:ffff:6511:48dc
101.17.72.221 0:0:0:0:0:ffff:6511:48dd
101.17.72.222 0:0:0:0:0:ffff:6511:48de
101.17.72.223 0:0:0:0:0:ffff:6511:48df
101.17.72.224 0:0:0:0:0:ffff:6511:48e0
101.17.72.225 0:0:0:0:0:ffff:6511:48e1
101.17.72.226 0:0:0:0:0:ffff:6511:48e2
101.17.72.227 0:0:0:0:0:ffff:6511:48e3
101.17.72.228 0:0:0:0:0:ffff:6511:48e4
101.17.72.229 0:0:0:0:0:ffff:6511:48e5
101.17.72.230 0:0:0:0:0:ffff:6511:48e6
101.17.72.231 0:0:0:0:0:ffff:6511:48e7
101.17.72.232 0:0:0:0:0:ffff:6511:48e8
101.17.72.233 0:0:0:0:0:ffff:6511:48e9
101.17.72.234 0:0:0:0:0:ffff:6511:48ea
101.17.72.235 0:0:0:0:0:ffff:6511:48eb
101.17.72.236 0:0:0:0:0:ffff:6511:48ec
101.17.72.237 0:0:0:0:0:ffff:6511:48ed
101.17.72.238 0:0:0:0:0:ffff:6511:48ee
101.17.72.239 0:0:0:0:0:ffff:6511:48ef
101.17.72.240 0:0:0:0:0:ffff:6511:48f0
101.17.72.241 0:0:0:0:0:ffff:6511:48f1
101.17.72.242 0:0:0:0:0:ffff:6511:48f2
101.17.72.243 0:0:0:0:0:ffff:6511:48f3
101.17.72.244 0:0:0:0:0:ffff:6511:48f4
101.17.72.245 0:0:0:0:0:ffff:6511:48f5
101.17.72.246 0:0:0:0:0:ffff:6511:48f6
101.17.72.247 0:0:0:0:0:ffff:6511:48f7
101.17.72.248 0:0:0:0:0:ffff:6511:48f8
101.17.72.249 0:0:0:0:0:ffff:6511:48f9
101.17.72.250 0:0:0:0:0:ffff:6511:48fa
101.17.72.251 0:0:0:0:0:ffff:6511:48fb
101.17.72.252 0:0:0:0:0:ffff:6511:48fc
101.17.72.253 0:0:0:0:0:ffff:6511:48fd
101.17.72.254 0:0:0:0:0:ffff:6511:48fe
101.17.72.255 0:0:0:0:0:ffff:6511:48ff


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.