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
43.91.71.1 0:0:0:0:0:ffff:2b5b:4701
43.91.71.2 0:0:0:0:0:ffff:2b5b:4702
43.91.71.3 0:0:0:0:0:ffff:2b5b:4703
43.91.71.4 0:0:0:0:0:ffff:2b5b:4704
43.91.71.5 0:0:0:0:0:ffff:2b5b:4705
43.91.71.6 0:0:0:0:0:ffff:2b5b:4706
43.91.71.7 0:0:0:0:0:ffff:2b5b:4707
43.91.71.8 0:0:0:0:0:ffff:2b5b:4708
43.91.71.9 0:0:0:0:0:ffff:2b5b:4709
43.91.71.10 0:0:0:0:0:ffff:2b5b:470a
43.91.71.11 0:0:0:0:0:ffff:2b5b:470b
43.91.71.12 0:0:0:0:0:ffff:2b5b:470c
43.91.71.13 0:0:0:0:0:ffff:2b5b:470d
43.91.71.14 0:0:0:0:0:ffff:2b5b:470e
43.91.71.15 0:0:0:0:0:ffff:2b5b:470f
43.91.71.16 0:0:0:0:0:ffff:2b5b:4710
43.91.71.17 0:0:0:0:0:ffff:2b5b:4711
43.91.71.18 0:0:0:0:0:ffff:2b5b:4712
43.91.71.19 0:0:0:0:0:ffff:2b5b:4713
43.91.71.20 0:0:0:0:0:ffff:2b5b:4714
43.91.71.21 0:0:0:0:0:ffff:2b5b:4715
43.91.71.22 0:0:0:0:0:ffff:2b5b:4716
43.91.71.23 0:0:0:0:0:ffff:2b5b:4717
43.91.71.24 0:0:0:0:0:ffff:2b5b:4718
43.91.71.25 0:0:0:0:0:ffff:2b5b:4719
43.91.71.26 0:0:0:0:0:ffff:2b5b:471a
43.91.71.27 0:0:0:0:0:ffff:2b5b:471b
43.91.71.28 0:0:0:0:0:ffff:2b5b:471c
43.91.71.29 0:0:0:0:0:ffff:2b5b:471d
43.91.71.30 0:0:0:0:0:ffff:2b5b:471e
43.91.71.31 0:0:0:0:0:ffff:2b5b:471f
43.91.71.32 0:0:0:0:0:ffff:2b5b:4720
43.91.71.33 0:0:0:0:0:ffff:2b5b:4721
43.91.71.34 0:0:0:0:0:ffff:2b5b:4722
43.91.71.35 0:0:0:0:0:ffff:2b5b:4723
43.91.71.36 0:0:0:0:0:ffff:2b5b:4724
43.91.71.37 0:0:0:0:0:ffff:2b5b:4725
43.91.71.38 0:0:0:0:0:ffff:2b5b:4726
43.91.71.39 0:0:0:0:0:ffff:2b5b:4727
43.91.71.40 0:0:0:0:0:ffff:2b5b:4728
43.91.71.41 0:0:0:0:0:ffff:2b5b:4729
43.91.71.42 0:0:0:0:0:ffff:2b5b:472a
43.91.71.43 0:0:0:0:0:ffff:2b5b:472b
43.91.71.44 0:0:0:0:0:ffff:2b5b:472c
43.91.71.45 0:0:0:0:0:ffff:2b5b:472d
43.91.71.46 0:0:0:0:0:ffff:2b5b:472e
43.91.71.47 0:0:0:0:0:ffff:2b5b:472f
43.91.71.48 0:0:0:0:0:ffff:2b5b:4730
43.91.71.49 0:0:0:0:0:ffff:2b5b:4731
43.91.71.50 0:0:0:0:0:ffff:2b5b:4732
43.91.71.51 0:0:0:0:0:ffff:2b5b:4733
43.91.71.52 0:0:0:0:0:ffff:2b5b:4734
43.91.71.53 0:0:0:0:0:ffff:2b5b:4735
43.91.71.54 0:0:0:0:0:ffff:2b5b:4736
43.91.71.55 0:0:0:0:0:ffff:2b5b:4737
43.91.71.56 0:0:0:0:0:ffff:2b5b:4738
43.91.71.57 0:0:0:0:0:ffff:2b5b:4739
43.91.71.58 0:0:0:0:0:ffff:2b5b:473a
43.91.71.59 0:0:0:0:0:ffff:2b5b:473b
43.91.71.60 0:0:0:0:0:ffff:2b5b:473c


43.91.71.61 0:0:0:0:0:ffff:2b5b:473d
43.91.71.62 0:0:0:0:0:ffff:2b5b:473e
43.91.71.63 0:0:0:0:0:ffff:2b5b:473f
43.91.71.64 0:0:0:0:0:ffff:2b5b:4740
43.91.71.65 0:0:0:0:0:ffff:2b5b:4741
43.91.71.66 0:0:0:0:0:ffff:2b5b:4742
43.91.71.67 0:0:0:0:0:ffff:2b5b:4743
43.91.71.68 0:0:0:0:0:ffff:2b5b:4744
43.91.71.69 0:0:0:0:0:ffff:2b5b:4745
43.91.71.70 0:0:0:0:0:ffff:2b5b:4746
43.91.71.71 0:0:0:0:0:ffff:2b5b:4747
43.91.71.72 0:0:0:0:0:ffff:2b5b:4748
43.91.71.73 0:0:0:0:0:ffff:2b5b:4749
43.91.71.74 0:0:0:0:0:ffff:2b5b:474a
43.91.71.75 0:0:0:0:0:ffff:2b5b:474b
43.91.71.76 0:0:0:0:0:ffff:2b5b:474c
43.91.71.77 0:0:0:0:0:ffff:2b5b:474d
43.91.71.78 0:0:0:0:0:ffff:2b5b:474e
43.91.71.79 0:0:0:0:0:ffff:2b5b:474f
43.91.71.80 0:0:0:0:0:ffff:2b5b:4750
43.91.71.81 0:0:0:0:0:ffff:2b5b:4751
43.91.71.82 0:0:0:0:0:ffff:2b5b:4752
43.91.71.83 0:0:0:0:0:ffff:2b5b:4753
43.91.71.84 0:0:0:0:0:ffff:2b5b:4754
43.91.71.85 0:0:0:0:0:ffff:2b5b:4755
43.91.71.86 0:0:0:0:0:ffff:2b5b:4756
43.91.71.87 0:0:0:0:0:ffff:2b5b:4757
43.91.71.88 0:0:0:0:0:ffff:2b5b:4758
43.91.71.89 0:0:0:0:0:ffff:2b5b:4759
43.91.71.90 0:0:0:0:0:ffff:2b5b:475a
43.91.71.91 0:0:0:0:0:ffff:2b5b:475b
43.91.71.92 0:0:0:0:0:ffff:2b5b:475c
43.91.71.93 0:0:0:0:0:ffff:2b5b:475d
43.91.71.94 0:0:0:0:0:ffff:2b5b:475e
43.91.71.95 0:0:0:0:0:ffff:2b5b:475f
43.91.71.96 0:0:0:0:0:ffff:2b5b:4760
43.91.71.97 0:0:0:0:0:ffff:2b5b:4761
43.91.71.98 0:0:0:0:0:ffff:2b5b:4762
43.91.71.99 0:0:0:0:0:ffff:2b5b:4763
43.91.71.100 0:0:0:0:0:ffff:2b5b:4764
43.91.71.101 0:0:0:0:0:ffff:2b5b:4765
43.91.71.102 0:0:0:0:0:ffff:2b5b:4766
43.91.71.103 0:0:0:0:0:ffff:2b5b:4767
43.91.71.104 0:0:0:0:0:ffff:2b5b:4768
43.91.71.105 0:0:0:0:0:ffff:2b5b:4769
43.91.71.106 0:0:0:0:0:ffff:2b5b:476a
43.91.71.107 0:0:0:0:0:ffff:2b5b:476b
43.91.71.108 0:0:0:0:0:ffff:2b5b:476c
43.91.71.109 0:0:0:0:0:ffff:2b5b:476d
43.91.71.110 0:0:0:0:0:ffff:2b5b:476e
43.91.71.111 0:0:0:0:0:ffff:2b5b:476f
43.91.71.112 0:0:0:0:0:ffff:2b5b:4770
43.91.71.113 0:0:0:0:0:ffff:2b5b:4771
43.91.71.114 0:0:0:0:0:ffff:2b5b:4772
43.91.71.115 0:0:0:0:0:ffff:2b5b:4773
43.91.71.116 0:0:0:0:0:ffff:2b5b:4774
43.91.71.117 0:0:0:0:0:ffff:2b5b:4775
43.91.71.118 0:0:0:0:0:ffff:2b5b:4776
43.91.71.119 0:0:0:0:0:ffff:2b5b:4777
43.91.71.120 0:0:0:0:0:ffff:2b5b:4778


43.91.71.121 0:0:0:0:0:ffff:2b5b:4779
43.91.71.122 0:0:0:0:0:ffff:2b5b:477a
43.91.71.123 0:0:0:0:0:ffff:2b5b:477b
43.91.71.124 0:0:0:0:0:ffff:2b5b:477c
43.91.71.125 0:0:0:0:0:ffff:2b5b:477d
43.91.71.126 0:0:0:0:0:ffff:2b5b:477e
43.91.71.127 0:0:0:0:0:ffff:2b5b:477f
43.91.71.128 0:0:0:0:0:ffff:2b5b:4780
43.91.71.129 0:0:0:0:0:ffff:2b5b:4781
43.91.71.130 0:0:0:0:0:ffff:2b5b:4782
43.91.71.131 0:0:0:0:0:ffff:2b5b:4783
43.91.71.132 0:0:0:0:0:ffff:2b5b:4784
43.91.71.133 0:0:0:0:0:ffff:2b5b:4785
43.91.71.134 0:0:0:0:0:ffff:2b5b:4786
43.91.71.135 0:0:0:0:0:ffff:2b5b:4787
43.91.71.136 0:0:0:0:0:ffff:2b5b:4788
43.91.71.137 0:0:0:0:0:ffff:2b5b:4789
43.91.71.138 0:0:0:0:0:ffff:2b5b:478a
43.91.71.139 0:0:0:0:0:ffff:2b5b:478b
43.91.71.140 0:0:0:0:0:ffff:2b5b:478c
43.91.71.141 0:0:0:0:0:ffff:2b5b:478d
43.91.71.142 0:0:0:0:0:ffff:2b5b:478e
43.91.71.143 0:0:0:0:0:ffff:2b5b:478f
43.91.71.144 0:0:0:0:0:ffff:2b5b:4790
43.91.71.145 0:0:0:0:0:ffff:2b5b:4791
43.91.71.146 0:0:0:0:0:ffff:2b5b:4792
43.91.71.147 0:0:0:0:0:ffff:2b5b:4793
43.91.71.148 0:0:0:0:0:ffff:2b5b:4794
43.91.71.149 0:0:0:0:0:ffff:2b5b:4795
43.91.71.150 0:0:0:0:0:ffff:2b5b:4796
43.91.71.151 0:0:0:0:0:ffff:2b5b:4797
43.91.71.152 0:0:0:0:0:ffff:2b5b:4798
43.91.71.153 0:0:0:0:0:ffff:2b5b:4799
43.91.71.154 0:0:0:0:0:ffff:2b5b:479a
43.91.71.155 0:0:0:0:0:ffff:2b5b:479b
43.91.71.156 0:0:0:0:0:ffff:2b5b:479c
43.91.71.157 0:0:0:0:0:ffff:2b5b:479d
43.91.71.158 0:0:0:0:0:ffff:2b5b:479e
43.91.71.159 0:0:0:0:0:ffff:2b5b:479f
43.91.71.160 0:0:0:0:0:ffff:2b5b:47a0
43.91.71.161 0:0:0:0:0:ffff:2b5b:47a1
43.91.71.162 0:0:0:0:0:ffff:2b5b:47a2
43.91.71.163 0:0:0:0:0:ffff:2b5b:47a3
43.91.71.164 0:0:0:0:0:ffff:2b5b:47a4
43.91.71.165 0:0:0:0:0:ffff:2b5b:47a5
43.91.71.166 0:0:0:0:0:ffff:2b5b:47a6
43.91.71.167 0:0:0:0:0:ffff:2b5b:47a7
43.91.71.168 0:0:0:0:0:ffff:2b5b:47a8
43.91.71.169 0:0:0:0:0:ffff:2b5b:47a9
43.91.71.170 0:0:0:0:0:ffff:2b5b:47aa
43.91.71.171 0:0:0:0:0:ffff:2b5b:47ab
43.91.71.172 0:0:0:0:0:ffff:2b5b:47ac
43.91.71.173 0:0:0:0:0:ffff:2b5b:47ad
43.91.71.174 0:0:0:0:0:ffff:2b5b:47ae
43.91.71.175 0:0:0:0:0:ffff:2b5b:47af
43.91.71.176 0:0:0:0:0:ffff:2b5b:47b0
43.91.71.177 0:0:0:0:0:ffff:2b5b:47b1
43.91.71.178 0:0:0:0:0:ffff:2b5b:47b2
43.91.71.179 0:0:0:0:0:ffff:2b5b:47b3
43.91.71.180 0:0:0:0:0:ffff:2b5b:47b4


43.91.71.181 0:0:0:0:0:ffff:2b5b:47b5
43.91.71.182 0:0:0:0:0:ffff:2b5b:47b6
43.91.71.183 0:0:0:0:0:ffff:2b5b:47b7
43.91.71.184 0:0:0:0:0:ffff:2b5b:47b8
43.91.71.185 0:0:0:0:0:ffff:2b5b:47b9
43.91.71.186 0:0:0:0:0:ffff:2b5b:47ba
43.91.71.187 0:0:0:0:0:ffff:2b5b:47bb
43.91.71.188 0:0:0:0:0:ffff:2b5b:47bc
43.91.71.189 0:0:0:0:0:ffff:2b5b:47bd
43.91.71.190 0:0:0:0:0:ffff:2b5b:47be
43.91.71.191 0:0:0:0:0:ffff:2b5b:47bf
43.91.71.192 0:0:0:0:0:ffff:2b5b:47c0
43.91.71.193 0:0:0:0:0:ffff:2b5b:47c1
43.91.71.194 0:0:0:0:0:ffff:2b5b:47c2
43.91.71.195 0:0:0:0:0:ffff:2b5b:47c3
43.91.71.196 0:0:0:0:0:ffff:2b5b:47c4
43.91.71.197 0:0:0:0:0:ffff:2b5b:47c5
43.91.71.198 0:0:0:0:0:ffff:2b5b:47c6
43.91.71.199 0:0:0:0:0:ffff:2b5b:47c7
43.91.71.200 0:0:0:0:0:ffff:2b5b:47c8
43.91.71.201 0:0:0:0:0:ffff:2b5b:47c9
43.91.71.202 0:0:0:0:0:ffff:2b5b:47ca
43.91.71.203 0:0:0:0:0:ffff:2b5b:47cb
43.91.71.204 0:0:0:0:0:ffff:2b5b:47cc
43.91.71.205 0:0:0:0:0:ffff:2b5b:47cd
43.91.71.206 0:0:0:0:0:ffff:2b5b:47ce
43.91.71.207 0:0:0:0:0:ffff:2b5b:47cf
43.91.71.208 0:0:0:0:0:ffff:2b5b:47d0
43.91.71.209 0:0:0:0:0:ffff:2b5b:47d1
43.91.71.210 0:0:0:0:0:ffff:2b5b:47d2
43.91.71.211 0:0:0:0:0:ffff:2b5b:47d3
43.91.71.212 0:0:0:0:0:ffff:2b5b:47d4
43.91.71.213 0:0:0:0:0:ffff:2b5b:47d5
43.91.71.214 0:0:0:0:0:ffff:2b5b:47d6
43.91.71.215 0:0:0:0:0:ffff:2b5b:47d7
43.91.71.216 0:0:0:0:0:ffff:2b5b:47d8
43.91.71.217 0:0:0:0:0:ffff:2b5b:47d9
43.91.71.218 0:0:0:0:0:ffff:2b5b:47da
43.91.71.219 0:0:0:0:0:ffff:2b5b:47db
43.91.71.220 0:0:0:0:0:ffff:2b5b:47dc
43.91.71.221 0:0:0:0:0:ffff:2b5b:47dd
43.91.71.222 0:0:0:0:0:ffff:2b5b:47de
43.91.71.223 0:0:0:0:0:ffff:2b5b:47df
43.91.71.224 0:0:0:0:0:ffff:2b5b:47e0
43.91.71.225 0:0:0:0:0:ffff:2b5b:47e1
43.91.71.226 0:0:0:0:0:ffff:2b5b:47e2
43.91.71.227 0:0:0:0:0:ffff:2b5b:47e3
43.91.71.228 0:0:0:0:0:ffff:2b5b:47e4
43.91.71.229 0:0:0:0:0:ffff:2b5b:47e5
43.91.71.230 0:0:0:0:0:ffff:2b5b:47e6
43.91.71.231 0:0:0:0:0:ffff:2b5b:47e7
43.91.71.232 0:0:0:0:0:ffff:2b5b:47e8
43.91.71.233 0:0:0:0:0:ffff:2b5b:47e9
43.91.71.234 0:0:0:0:0:ffff:2b5b:47ea
43.91.71.235 0:0:0:0:0:ffff:2b5b:47eb
43.91.71.236 0:0:0:0:0:ffff:2b5b:47ec
43.91.71.237 0:0:0:0:0:ffff:2b5b:47ed
43.91.71.238 0:0:0:0:0:ffff:2b5b:47ee
43.91.71.239 0:0:0:0:0:ffff:2b5b:47ef
43.91.71.240 0:0:0:0:0:ffff:2b5b:47f0
43.91.71.241 0:0:0:0:0:ffff:2b5b:47f1
43.91.71.242 0:0:0:0:0:ffff:2b5b:47f2
43.91.71.243 0:0:0:0:0:ffff:2b5b:47f3
43.91.71.244 0:0:0:0:0:ffff:2b5b:47f4
43.91.71.245 0:0:0:0:0:ffff:2b5b:47f5
43.91.71.246 0:0:0:0:0:ffff:2b5b:47f6
43.91.71.247 0:0:0:0:0:ffff:2b5b:47f7
43.91.71.248 0:0:0:0:0:ffff:2b5b:47f8
43.91.71.249 0:0:0:0:0:ffff:2b5b:47f9
43.91.71.250 0:0:0:0:0:ffff:2b5b:47fa
43.91.71.251 0:0:0:0:0:ffff:2b5b:47fb
43.91.71.252 0:0:0:0:0:ffff:2b5b:47fc
43.91.71.253 0:0:0:0:0:ffff:2b5b:47fd
43.91.71.254 0:0:0:0:0:ffff:2b5b:47fe
43.91.71.255 0:0:0:0:0:ffff:2b5b:47ff


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.