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
191.141.72.1 0:0:0:0:0:ffff:bf8d:4801
191.141.72.2 0:0:0:0:0:ffff:bf8d:4802
191.141.72.3 0:0:0:0:0:ffff:bf8d:4803
191.141.72.4 0:0:0:0:0:ffff:bf8d:4804
191.141.72.5 0:0:0:0:0:ffff:bf8d:4805
191.141.72.6 0:0:0:0:0:ffff:bf8d:4806
191.141.72.7 0:0:0:0:0:ffff:bf8d:4807
191.141.72.8 0:0:0:0:0:ffff:bf8d:4808
191.141.72.9 0:0:0:0:0:ffff:bf8d:4809
191.141.72.10 0:0:0:0:0:ffff:bf8d:480a
191.141.72.11 0:0:0:0:0:ffff:bf8d:480b
191.141.72.12 0:0:0:0:0:ffff:bf8d:480c
191.141.72.13 0:0:0:0:0:ffff:bf8d:480d
191.141.72.14 0:0:0:0:0:ffff:bf8d:480e
191.141.72.15 0:0:0:0:0:ffff:bf8d:480f
191.141.72.16 0:0:0:0:0:ffff:bf8d:4810
191.141.72.17 0:0:0:0:0:ffff:bf8d:4811
191.141.72.18 0:0:0:0:0:ffff:bf8d:4812
191.141.72.19 0:0:0:0:0:ffff:bf8d:4813
191.141.72.20 0:0:0:0:0:ffff:bf8d:4814
191.141.72.21 0:0:0:0:0:ffff:bf8d:4815
191.141.72.22 0:0:0:0:0:ffff:bf8d:4816
191.141.72.23 0:0:0:0:0:ffff:bf8d:4817
191.141.72.24 0:0:0:0:0:ffff:bf8d:4818
191.141.72.25 0:0:0:0:0:ffff:bf8d:4819
191.141.72.26 0:0:0:0:0:ffff:bf8d:481a
191.141.72.27 0:0:0:0:0:ffff:bf8d:481b
191.141.72.28 0:0:0:0:0:ffff:bf8d:481c
191.141.72.29 0:0:0:0:0:ffff:bf8d:481d
191.141.72.30 0:0:0:0:0:ffff:bf8d:481e
191.141.72.31 0:0:0:0:0:ffff:bf8d:481f
191.141.72.32 0:0:0:0:0:ffff:bf8d:4820
191.141.72.33 0:0:0:0:0:ffff:bf8d:4821
191.141.72.34 0:0:0:0:0:ffff:bf8d:4822
191.141.72.35 0:0:0:0:0:ffff:bf8d:4823
191.141.72.36 0:0:0:0:0:ffff:bf8d:4824
191.141.72.37 0:0:0:0:0:ffff:bf8d:4825
191.141.72.38 0:0:0:0:0:ffff:bf8d:4826
191.141.72.39 0:0:0:0:0:ffff:bf8d:4827
191.141.72.40 0:0:0:0:0:ffff:bf8d:4828
191.141.72.41 0:0:0:0:0:ffff:bf8d:4829
191.141.72.42 0:0:0:0:0:ffff:bf8d:482a
191.141.72.43 0:0:0:0:0:ffff:bf8d:482b
191.141.72.44 0:0:0:0:0:ffff:bf8d:482c
191.141.72.45 0:0:0:0:0:ffff:bf8d:482d
191.141.72.46 0:0:0:0:0:ffff:bf8d:482e
191.141.72.47 0:0:0:0:0:ffff:bf8d:482f
191.141.72.48 0:0:0:0:0:ffff:bf8d:4830
191.141.72.49 0:0:0:0:0:ffff:bf8d:4831
191.141.72.50 0:0:0:0:0:ffff:bf8d:4832
191.141.72.51 0:0:0:0:0:ffff:bf8d:4833
191.141.72.52 0:0:0:0:0:ffff:bf8d:4834
191.141.72.53 0:0:0:0:0:ffff:bf8d:4835
191.141.72.54 0:0:0:0:0:ffff:bf8d:4836
191.141.72.55 0:0:0:0:0:ffff:bf8d:4837
191.141.72.56 0:0:0:0:0:ffff:bf8d:4838
191.141.72.57 0:0:0:0:0:ffff:bf8d:4839
191.141.72.58 0:0:0:0:0:ffff:bf8d:483a
191.141.72.59 0:0:0:0:0:ffff:bf8d:483b
191.141.72.60 0:0:0:0:0:ffff:bf8d:483c


191.141.72.61 0:0:0:0:0:ffff:bf8d:483d
191.141.72.62 0:0:0:0:0:ffff:bf8d:483e
191.141.72.63 0:0:0:0:0:ffff:bf8d:483f
191.141.72.64 0:0:0:0:0:ffff:bf8d:4840
191.141.72.65 0:0:0:0:0:ffff:bf8d:4841
191.141.72.66 0:0:0:0:0:ffff:bf8d:4842
191.141.72.67 0:0:0:0:0:ffff:bf8d:4843
191.141.72.68 0:0:0:0:0:ffff:bf8d:4844
191.141.72.69 0:0:0:0:0:ffff:bf8d:4845
191.141.72.70 0:0:0:0:0:ffff:bf8d:4846
191.141.72.71 0:0:0:0:0:ffff:bf8d:4847
191.141.72.72 0:0:0:0:0:ffff:bf8d:4848
191.141.72.73 0:0:0:0:0:ffff:bf8d:4849
191.141.72.74 0:0:0:0:0:ffff:bf8d:484a
191.141.72.75 0:0:0:0:0:ffff:bf8d:484b
191.141.72.76 0:0:0:0:0:ffff:bf8d:484c
191.141.72.77 0:0:0:0:0:ffff:bf8d:484d
191.141.72.78 0:0:0:0:0:ffff:bf8d:484e
191.141.72.79 0:0:0:0:0:ffff:bf8d:484f
191.141.72.80 0:0:0:0:0:ffff:bf8d:4850
191.141.72.81 0:0:0:0:0:ffff:bf8d:4851
191.141.72.82 0:0:0:0:0:ffff:bf8d:4852
191.141.72.83 0:0:0:0:0:ffff:bf8d:4853
191.141.72.84 0:0:0:0:0:ffff:bf8d:4854
191.141.72.85 0:0:0:0:0:ffff:bf8d:4855
191.141.72.86 0:0:0:0:0:ffff:bf8d:4856
191.141.72.87 0:0:0:0:0:ffff:bf8d:4857
191.141.72.88 0:0:0:0:0:ffff:bf8d:4858
191.141.72.89 0:0:0:0:0:ffff:bf8d:4859
191.141.72.90 0:0:0:0:0:ffff:bf8d:485a
191.141.72.91 0:0:0:0:0:ffff:bf8d:485b
191.141.72.92 0:0:0:0:0:ffff:bf8d:485c
191.141.72.93 0:0:0:0:0:ffff:bf8d:485d
191.141.72.94 0:0:0:0:0:ffff:bf8d:485e
191.141.72.95 0:0:0:0:0:ffff:bf8d:485f
191.141.72.96 0:0:0:0:0:ffff:bf8d:4860
191.141.72.97 0:0:0:0:0:ffff:bf8d:4861
191.141.72.98 0:0:0:0:0:ffff:bf8d:4862
191.141.72.99 0:0:0:0:0:ffff:bf8d:4863
191.141.72.100 0:0:0:0:0:ffff:bf8d:4864
191.141.72.101 0:0:0:0:0:ffff:bf8d:4865
191.141.72.102 0:0:0:0:0:ffff:bf8d:4866
191.141.72.103 0:0:0:0:0:ffff:bf8d:4867
191.141.72.104 0:0:0:0:0:ffff:bf8d:4868
191.141.72.105 0:0:0:0:0:ffff:bf8d:4869
191.141.72.106 0:0:0:0:0:ffff:bf8d:486a
191.141.72.107 0:0:0:0:0:ffff:bf8d:486b
191.141.72.108 0:0:0:0:0:ffff:bf8d:486c
191.141.72.109 0:0:0:0:0:ffff:bf8d:486d
191.141.72.110 0:0:0:0:0:ffff:bf8d:486e
191.141.72.111 0:0:0:0:0:ffff:bf8d:486f
191.141.72.112 0:0:0:0:0:ffff:bf8d:4870
191.141.72.113 0:0:0:0:0:ffff:bf8d:4871
191.141.72.114 0:0:0:0:0:ffff:bf8d:4872
191.141.72.115 0:0:0:0:0:ffff:bf8d:4873
191.141.72.116 0:0:0:0:0:ffff:bf8d:4874
191.141.72.117 0:0:0:0:0:ffff:bf8d:4875
191.141.72.118 0:0:0:0:0:ffff:bf8d:4876
191.141.72.119 0:0:0:0:0:ffff:bf8d:4877
191.141.72.120 0:0:0:0:0:ffff:bf8d:4878


191.141.72.121 0:0:0:0:0:ffff:bf8d:4879
191.141.72.122 0:0:0:0:0:ffff:bf8d:487a
191.141.72.123 0:0:0:0:0:ffff:bf8d:487b
191.141.72.124 0:0:0:0:0:ffff:bf8d:487c
191.141.72.125 0:0:0:0:0:ffff:bf8d:487d
191.141.72.126 0:0:0:0:0:ffff:bf8d:487e
191.141.72.127 0:0:0:0:0:ffff:bf8d:487f
191.141.72.128 0:0:0:0:0:ffff:bf8d:4880
191.141.72.129 0:0:0:0:0:ffff:bf8d:4881
191.141.72.130 0:0:0:0:0:ffff:bf8d:4882
191.141.72.131 0:0:0:0:0:ffff:bf8d:4883
191.141.72.132 0:0:0:0:0:ffff:bf8d:4884
191.141.72.133 0:0:0:0:0:ffff:bf8d:4885
191.141.72.134 0:0:0:0:0:ffff:bf8d:4886
191.141.72.135 0:0:0:0:0:ffff:bf8d:4887
191.141.72.136 0:0:0:0:0:ffff:bf8d:4888
191.141.72.137 0:0:0:0:0:ffff:bf8d:4889
191.141.72.138 0:0:0:0:0:ffff:bf8d:488a
191.141.72.139 0:0:0:0:0:ffff:bf8d:488b
191.141.72.140 0:0:0:0:0:ffff:bf8d:488c
191.141.72.141 0:0:0:0:0:ffff:bf8d:488d
191.141.72.142 0:0:0:0:0:ffff:bf8d:488e
191.141.72.143 0:0:0:0:0:ffff:bf8d:488f
191.141.72.144 0:0:0:0:0:ffff:bf8d:4890
191.141.72.145 0:0:0:0:0:ffff:bf8d:4891
191.141.72.146 0:0:0:0:0:ffff:bf8d:4892
191.141.72.147 0:0:0:0:0:ffff:bf8d:4893
191.141.72.148 0:0:0:0:0:ffff:bf8d:4894
191.141.72.149 0:0:0:0:0:ffff:bf8d:4895
191.141.72.150 0:0:0:0:0:ffff:bf8d:4896
191.141.72.151 0:0:0:0:0:ffff:bf8d:4897
191.141.72.152 0:0:0:0:0:ffff:bf8d:4898
191.141.72.153 0:0:0:0:0:ffff:bf8d:4899
191.141.72.154 0:0:0:0:0:ffff:bf8d:489a
191.141.72.155 0:0:0:0:0:ffff:bf8d:489b
191.141.72.156 0:0:0:0:0:ffff:bf8d:489c
191.141.72.157 0:0:0:0:0:ffff:bf8d:489d
191.141.72.158 0:0:0:0:0:ffff:bf8d:489e
191.141.72.159 0:0:0:0:0:ffff:bf8d:489f
191.141.72.160 0:0:0:0:0:ffff:bf8d:48a0
191.141.72.161 0:0:0:0:0:ffff:bf8d:48a1
191.141.72.162 0:0:0:0:0:ffff:bf8d:48a2
191.141.72.163 0:0:0:0:0:ffff:bf8d:48a3
191.141.72.164 0:0:0:0:0:ffff:bf8d:48a4
191.141.72.165 0:0:0:0:0:ffff:bf8d:48a5
191.141.72.166 0:0:0:0:0:ffff:bf8d:48a6
191.141.72.167 0:0:0:0:0:ffff:bf8d:48a7
191.141.72.168 0:0:0:0:0:ffff:bf8d:48a8
191.141.72.169 0:0:0:0:0:ffff:bf8d:48a9
191.141.72.170 0:0:0:0:0:ffff:bf8d:48aa
191.141.72.171 0:0:0:0:0:ffff:bf8d:48ab
191.141.72.172 0:0:0:0:0:ffff:bf8d:48ac
191.141.72.173 0:0:0:0:0:ffff:bf8d:48ad
191.141.72.174 0:0:0:0:0:ffff:bf8d:48ae
191.141.72.175 0:0:0:0:0:ffff:bf8d:48af
191.141.72.176 0:0:0:0:0:ffff:bf8d:48b0
191.141.72.177 0:0:0:0:0:ffff:bf8d:48b1
191.141.72.178 0:0:0:0:0:ffff:bf8d:48b2
191.141.72.179 0:0:0:0:0:ffff:bf8d:48b3
191.141.72.180 0:0:0:0:0:ffff:bf8d:48b4


191.141.72.181 0:0:0:0:0:ffff:bf8d:48b5
191.141.72.182 0:0:0:0:0:ffff:bf8d:48b6
191.141.72.183 0:0:0:0:0:ffff:bf8d:48b7
191.141.72.184 0:0:0:0:0:ffff:bf8d:48b8
191.141.72.185 0:0:0:0:0:ffff:bf8d:48b9
191.141.72.186 0:0:0:0:0:ffff:bf8d:48ba
191.141.72.187 0:0:0:0:0:ffff:bf8d:48bb
191.141.72.188 0:0:0:0:0:ffff:bf8d:48bc
191.141.72.189 0:0:0:0:0:ffff:bf8d:48bd
191.141.72.190 0:0:0:0:0:ffff:bf8d:48be
191.141.72.191 0:0:0:0:0:ffff:bf8d:48bf
191.141.72.192 0:0:0:0:0:ffff:bf8d:48c0
191.141.72.193 0:0:0:0:0:ffff:bf8d:48c1
191.141.72.194 0:0:0:0:0:ffff:bf8d:48c2
191.141.72.195 0:0:0:0:0:ffff:bf8d:48c3
191.141.72.196 0:0:0:0:0:ffff:bf8d:48c4
191.141.72.197 0:0:0:0:0:ffff:bf8d:48c5
191.141.72.198 0:0:0:0:0:ffff:bf8d:48c6
191.141.72.199 0:0:0:0:0:ffff:bf8d:48c7
191.141.72.200 0:0:0:0:0:ffff:bf8d:48c8
191.141.72.201 0:0:0:0:0:ffff:bf8d:48c9
191.141.72.202 0:0:0:0:0:ffff:bf8d:48ca
191.141.72.203 0:0:0:0:0:ffff:bf8d:48cb
191.141.72.204 0:0:0:0:0:ffff:bf8d:48cc
191.141.72.205 0:0:0:0:0:ffff:bf8d:48cd
191.141.72.206 0:0:0:0:0:ffff:bf8d:48ce
191.141.72.207 0:0:0:0:0:ffff:bf8d:48cf
191.141.72.208 0:0:0:0:0:ffff:bf8d:48d0
191.141.72.209 0:0:0:0:0:ffff:bf8d:48d1
191.141.72.210 0:0:0:0:0:ffff:bf8d:48d2
191.141.72.211 0:0:0:0:0:ffff:bf8d:48d3
191.141.72.212 0:0:0:0:0:ffff:bf8d:48d4
191.141.72.213 0:0:0:0:0:ffff:bf8d:48d5
191.141.72.214 0:0:0:0:0:ffff:bf8d:48d6
191.141.72.215 0:0:0:0:0:ffff:bf8d:48d7
191.141.72.216 0:0:0:0:0:ffff:bf8d:48d8
191.141.72.217 0:0:0:0:0:ffff:bf8d:48d9
191.141.72.218 0:0:0:0:0:ffff:bf8d:48da
191.141.72.219 0:0:0:0:0:ffff:bf8d:48db
191.141.72.220 0:0:0:0:0:ffff:bf8d:48dc
191.141.72.221 0:0:0:0:0:ffff:bf8d:48dd
191.141.72.222 0:0:0:0:0:ffff:bf8d:48de
191.141.72.223 0:0:0:0:0:ffff:bf8d:48df
191.141.72.224 0:0:0:0:0:ffff:bf8d:48e0
191.141.72.225 0:0:0:0:0:ffff:bf8d:48e1
191.141.72.226 0:0:0:0:0:ffff:bf8d:48e2
191.141.72.227 0:0:0:0:0:ffff:bf8d:48e3
191.141.72.228 0:0:0:0:0:ffff:bf8d:48e4
191.141.72.229 0:0:0:0:0:ffff:bf8d:48e5
191.141.72.230 0:0:0:0:0:ffff:bf8d:48e6
191.141.72.231 0:0:0:0:0:ffff:bf8d:48e7
191.141.72.232 0:0:0:0:0:ffff:bf8d:48e8
191.141.72.233 0:0:0:0:0:ffff:bf8d:48e9
191.141.72.234 0:0:0:0:0:ffff:bf8d:48ea
191.141.72.235 0:0:0:0:0:ffff:bf8d:48eb
191.141.72.236 0:0:0:0:0:ffff:bf8d:48ec
191.141.72.237 0:0:0:0:0:ffff:bf8d:48ed
191.141.72.238 0:0:0:0:0:ffff:bf8d:48ee
191.141.72.239 0:0:0:0:0:ffff:bf8d:48ef
191.141.72.240 0:0:0:0:0:ffff:bf8d:48f0
191.141.72.241 0:0:0:0:0:ffff:bf8d:48f1
191.141.72.242 0:0:0:0:0:ffff:bf8d:48f2
191.141.72.243 0:0:0:0:0:ffff:bf8d:48f3
191.141.72.244 0:0:0:0:0:ffff:bf8d:48f4
191.141.72.245 0:0:0:0:0:ffff:bf8d:48f5
191.141.72.246 0:0:0:0:0:ffff:bf8d:48f6
191.141.72.247 0:0:0:0:0:ffff:bf8d:48f7
191.141.72.248 0:0:0:0:0:ffff:bf8d:48f8
191.141.72.249 0:0:0:0:0:ffff:bf8d:48f9
191.141.72.250 0:0:0:0:0:ffff:bf8d:48fa
191.141.72.251 0:0:0:0:0:ffff:bf8d:48fb
191.141.72.252 0:0:0:0:0:ffff:bf8d:48fc
191.141.72.253 0:0:0:0:0:ffff:bf8d:48fd
191.141.72.254 0:0:0:0:0:ffff:bf8d:48fe
191.141.72.255 0:0:0:0:0:ffff:bf8d: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.