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
78.123.71.1 0:0:0:0:0:ffff:4e7b:4701
78.123.71.2 0:0:0:0:0:ffff:4e7b:4702
78.123.71.3 0:0:0:0:0:ffff:4e7b:4703
78.123.71.4 0:0:0:0:0:ffff:4e7b:4704
78.123.71.5 0:0:0:0:0:ffff:4e7b:4705
78.123.71.6 0:0:0:0:0:ffff:4e7b:4706
78.123.71.7 0:0:0:0:0:ffff:4e7b:4707
78.123.71.8 0:0:0:0:0:ffff:4e7b:4708
78.123.71.9 0:0:0:0:0:ffff:4e7b:4709
78.123.71.10 0:0:0:0:0:ffff:4e7b:470a
78.123.71.11 0:0:0:0:0:ffff:4e7b:470b
78.123.71.12 0:0:0:0:0:ffff:4e7b:470c
78.123.71.13 0:0:0:0:0:ffff:4e7b:470d
78.123.71.14 0:0:0:0:0:ffff:4e7b:470e
78.123.71.15 0:0:0:0:0:ffff:4e7b:470f
78.123.71.16 0:0:0:0:0:ffff:4e7b:4710
78.123.71.17 0:0:0:0:0:ffff:4e7b:4711
78.123.71.18 0:0:0:0:0:ffff:4e7b:4712
78.123.71.19 0:0:0:0:0:ffff:4e7b:4713
78.123.71.20 0:0:0:0:0:ffff:4e7b:4714
78.123.71.21 0:0:0:0:0:ffff:4e7b:4715
78.123.71.22 0:0:0:0:0:ffff:4e7b:4716
78.123.71.23 0:0:0:0:0:ffff:4e7b:4717
78.123.71.24 0:0:0:0:0:ffff:4e7b:4718
78.123.71.25 0:0:0:0:0:ffff:4e7b:4719
78.123.71.26 0:0:0:0:0:ffff:4e7b:471a
78.123.71.27 0:0:0:0:0:ffff:4e7b:471b
78.123.71.28 0:0:0:0:0:ffff:4e7b:471c
78.123.71.29 0:0:0:0:0:ffff:4e7b:471d
78.123.71.30 0:0:0:0:0:ffff:4e7b:471e
78.123.71.31 0:0:0:0:0:ffff:4e7b:471f
78.123.71.32 0:0:0:0:0:ffff:4e7b:4720
78.123.71.33 0:0:0:0:0:ffff:4e7b:4721
78.123.71.34 0:0:0:0:0:ffff:4e7b:4722
78.123.71.35 0:0:0:0:0:ffff:4e7b:4723
78.123.71.36 0:0:0:0:0:ffff:4e7b:4724
78.123.71.37 0:0:0:0:0:ffff:4e7b:4725
78.123.71.38 0:0:0:0:0:ffff:4e7b:4726
78.123.71.39 0:0:0:0:0:ffff:4e7b:4727
78.123.71.40 0:0:0:0:0:ffff:4e7b:4728
78.123.71.41 0:0:0:0:0:ffff:4e7b:4729
78.123.71.42 0:0:0:0:0:ffff:4e7b:472a
78.123.71.43 0:0:0:0:0:ffff:4e7b:472b
78.123.71.44 0:0:0:0:0:ffff:4e7b:472c
78.123.71.45 0:0:0:0:0:ffff:4e7b:472d
78.123.71.46 0:0:0:0:0:ffff:4e7b:472e
78.123.71.47 0:0:0:0:0:ffff:4e7b:472f
78.123.71.48 0:0:0:0:0:ffff:4e7b:4730
78.123.71.49 0:0:0:0:0:ffff:4e7b:4731
78.123.71.50 0:0:0:0:0:ffff:4e7b:4732
78.123.71.51 0:0:0:0:0:ffff:4e7b:4733
78.123.71.52 0:0:0:0:0:ffff:4e7b:4734
78.123.71.53 0:0:0:0:0:ffff:4e7b:4735
78.123.71.54 0:0:0:0:0:ffff:4e7b:4736
78.123.71.55 0:0:0:0:0:ffff:4e7b:4737
78.123.71.56 0:0:0:0:0:ffff:4e7b:4738
78.123.71.57 0:0:0:0:0:ffff:4e7b:4739
78.123.71.58 0:0:0:0:0:ffff:4e7b:473a
78.123.71.59 0:0:0:0:0:ffff:4e7b:473b
78.123.71.60 0:0:0:0:0:ffff:4e7b:473c


78.123.71.61 0:0:0:0:0:ffff:4e7b:473d
78.123.71.62 0:0:0:0:0:ffff:4e7b:473e
78.123.71.63 0:0:0:0:0:ffff:4e7b:473f
78.123.71.64 0:0:0:0:0:ffff:4e7b:4740
78.123.71.65 0:0:0:0:0:ffff:4e7b:4741
78.123.71.66 0:0:0:0:0:ffff:4e7b:4742
78.123.71.67 0:0:0:0:0:ffff:4e7b:4743
78.123.71.68 0:0:0:0:0:ffff:4e7b:4744
78.123.71.69 0:0:0:0:0:ffff:4e7b:4745
78.123.71.70 0:0:0:0:0:ffff:4e7b:4746
78.123.71.71 0:0:0:0:0:ffff:4e7b:4747
78.123.71.72 0:0:0:0:0:ffff:4e7b:4748
78.123.71.73 0:0:0:0:0:ffff:4e7b:4749
78.123.71.74 0:0:0:0:0:ffff:4e7b:474a
78.123.71.75 0:0:0:0:0:ffff:4e7b:474b
78.123.71.76 0:0:0:0:0:ffff:4e7b:474c
78.123.71.77 0:0:0:0:0:ffff:4e7b:474d
78.123.71.78 0:0:0:0:0:ffff:4e7b:474e
78.123.71.79 0:0:0:0:0:ffff:4e7b:474f
78.123.71.80 0:0:0:0:0:ffff:4e7b:4750
78.123.71.81 0:0:0:0:0:ffff:4e7b:4751
78.123.71.82 0:0:0:0:0:ffff:4e7b:4752
78.123.71.83 0:0:0:0:0:ffff:4e7b:4753
78.123.71.84 0:0:0:0:0:ffff:4e7b:4754
78.123.71.85 0:0:0:0:0:ffff:4e7b:4755
78.123.71.86 0:0:0:0:0:ffff:4e7b:4756
78.123.71.87 0:0:0:0:0:ffff:4e7b:4757
78.123.71.88 0:0:0:0:0:ffff:4e7b:4758
78.123.71.89 0:0:0:0:0:ffff:4e7b:4759
78.123.71.90 0:0:0:0:0:ffff:4e7b:475a
78.123.71.91 0:0:0:0:0:ffff:4e7b:475b
78.123.71.92 0:0:0:0:0:ffff:4e7b:475c
78.123.71.93 0:0:0:0:0:ffff:4e7b:475d
78.123.71.94 0:0:0:0:0:ffff:4e7b:475e
78.123.71.95 0:0:0:0:0:ffff:4e7b:475f
78.123.71.96 0:0:0:0:0:ffff:4e7b:4760
78.123.71.97 0:0:0:0:0:ffff:4e7b:4761
78.123.71.98 0:0:0:0:0:ffff:4e7b:4762
78.123.71.99 0:0:0:0:0:ffff:4e7b:4763
78.123.71.100 0:0:0:0:0:ffff:4e7b:4764
78.123.71.101 0:0:0:0:0:ffff:4e7b:4765
78.123.71.102 0:0:0:0:0:ffff:4e7b:4766
78.123.71.103 0:0:0:0:0:ffff:4e7b:4767
78.123.71.104 0:0:0:0:0:ffff:4e7b:4768
78.123.71.105 0:0:0:0:0:ffff:4e7b:4769
78.123.71.106 0:0:0:0:0:ffff:4e7b:476a
78.123.71.107 0:0:0:0:0:ffff:4e7b:476b
78.123.71.108 0:0:0:0:0:ffff:4e7b:476c
78.123.71.109 0:0:0:0:0:ffff:4e7b:476d
78.123.71.110 0:0:0:0:0:ffff:4e7b:476e
78.123.71.111 0:0:0:0:0:ffff:4e7b:476f
78.123.71.112 0:0:0:0:0:ffff:4e7b:4770
78.123.71.113 0:0:0:0:0:ffff:4e7b:4771
78.123.71.114 0:0:0:0:0:ffff:4e7b:4772
78.123.71.115 0:0:0:0:0:ffff:4e7b:4773
78.123.71.116 0:0:0:0:0:ffff:4e7b:4774
78.123.71.117 0:0:0:0:0:ffff:4e7b:4775
78.123.71.118 0:0:0:0:0:ffff:4e7b:4776
78.123.71.119 0:0:0:0:0:ffff:4e7b:4777
78.123.71.120 0:0:0:0:0:ffff:4e7b:4778


78.123.71.121 0:0:0:0:0:ffff:4e7b:4779
78.123.71.122 0:0:0:0:0:ffff:4e7b:477a
78.123.71.123 0:0:0:0:0:ffff:4e7b:477b
78.123.71.124 0:0:0:0:0:ffff:4e7b:477c
78.123.71.125 0:0:0:0:0:ffff:4e7b:477d
78.123.71.126 0:0:0:0:0:ffff:4e7b:477e
78.123.71.127 0:0:0:0:0:ffff:4e7b:477f
78.123.71.128 0:0:0:0:0:ffff:4e7b:4780
78.123.71.129 0:0:0:0:0:ffff:4e7b:4781
78.123.71.130 0:0:0:0:0:ffff:4e7b:4782
78.123.71.131 0:0:0:0:0:ffff:4e7b:4783
78.123.71.132 0:0:0:0:0:ffff:4e7b:4784
78.123.71.133 0:0:0:0:0:ffff:4e7b:4785
78.123.71.134 0:0:0:0:0:ffff:4e7b:4786
78.123.71.135 0:0:0:0:0:ffff:4e7b:4787
78.123.71.136 0:0:0:0:0:ffff:4e7b:4788
78.123.71.137 0:0:0:0:0:ffff:4e7b:4789
78.123.71.138 0:0:0:0:0:ffff:4e7b:478a
78.123.71.139 0:0:0:0:0:ffff:4e7b:478b
78.123.71.140 0:0:0:0:0:ffff:4e7b:478c
78.123.71.141 0:0:0:0:0:ffff:4e7b:478d
78.123.71.142 0:0:0:0:0:ffff:4e7b:478e
78.123.71.143 0:0:0:0:0:ffff:4e7b:478f
78.123.71.144 0:0:0:0:0:ffff:4e7b:4790
78.123.71.145 0:0:0:0:0:ffff:4e7b:4791
78.123.71.146 0:0:0:0:0:ffff:4e7b:4792
78.123.71.147 0:0:0:0:0:ffff:4e7b:4793
78.123.71.148 0:0:0:0:0:ffff:4e7b:4794
78.123.71.149 0:0:0:0:0:ffff:4e7b:4795
78.123.71.150 0:0:0:0:0:ffff:4e7b:4796
78.123.71.151 0:0:0:0:0:ffff:4e7b:4797
78.123.71.152 0:0:0:0:0:ffff:4e7b:4798
78.123.71.153 0:0:0:0:0:ffff:4e7b:4799
78.123.71.154 0:0:0:0:0:ffff:4e7b:479a
78.123.71.155 0:0:0:0:0:ffff:4e7b:479b
78.123.71.156 0:0:0:0:0:ffff:4e7b:479c
78.123.71.157 0:0:0:0:0:ffff:4e7b:479d
78.123.71.158 0:0:0:0:0:ffff:4e7b:479e
78.123.71.159 0:0:0:0:0:ffff:4e7b:479f
78.123.71.160 0:0:0:0:0:ffff:4e7b:47a0
78.123.71.161 0:0:0:0:0:ffff:4e7b:47a1
78.123.71.162 0:0:0:0:0:ffff:4e7b:47a2
78.123.71.163 0:0:0:0:0:ffff:4e7b:47a3
78.123.71.164 0:0:0:0:0:ffff:4e7b:47a4
78.123.71.165 0:0:0:0:0:ffff:4e7b:47a5
78.123.71.166 0:0:0:0:0:ffff:4e7b:47a6
78.123.71.167 0:0:0:0:0:ffff:4e7b:47a7
78.123.71.168 0:0:0:0:0:ffff:4e7b:47a8
78.123.71.169 0:0:0:0:0:ffff:4e7b:47a9
78.123.71.170 0:0:0:0:0:ffff:4e7b:47aa
78.123.71.171 0:0:0:0:0:ffff:4e7b:47ab
78.123.71.172 0:0:0:0:0:ffff:4e7b:47ac
78.123.71.173 0:0:0:0:0:ffff:4e7b:47ad
78.123.71.174 0:0:0:0:0:ffff:4e7b:47ae
78.123.71.175 0:0:0:0:0:ffff:4e7b:47af
78.123.71.176 0:0:0:0:0:ffff:4e7b:47b0
78.123.71.177 0:0:0:0:0:ffff:4e7b:47b1
78.123.71.178 0:0:0:0:0:ffff:4e7b:47b2
78.123.71.179 0:0:0:0:0:ffff:4e7b:47b3
78.123.71.180 0:0:0:0:0:ffff:4e7b:47b4


78.123.71.181 0:0:0:0:0:ffff:4e7b:47b5
78.123.71.182 0:0:0:0:0:ffff:4e7b:47b6
78.123.71.183 0:0:0:0:0:ffff:4e7b:47b7
78.123.71.184 0:0:0:0:0:ffff:4e7b:47b8
78.123.71.185 0:0:0:0:0:ffff:4e7b:47b9
78.123.71.186 0:0:0:0:0:ffff:4e7b:47ba
78.123.71.187 0:0:0:0:0:ffff:4e7b:47bb
78.123.71.188 0:0:0:0:0:ffff:4e7b:47bc
78.123.71.189 0:0:0:0:0:ffff:4e7b:47bd
78.123.71.190 0:0:0:0:0:ffff:4e7b:47be
78.123.71.191 0:0:0:0:0:ffff:4e7b:47bf
78.123.71.192 0:0:0:0:0:ffff:4e7b:47c0
78.123.71.193 0:0:0:0:0:ffff:4e7b:47c1
78.123.71.194 0:0:0:0:0:ffff:4e7b:47c2
78.123.71.195 0:0:0:0:0:ffff:4e7b:47c3
78.123.71.196 0:0:0:0:0:ffff:4e7b:47c4
78.123.71.197 0:0:0:0:0:ffff:4e7b:47c5
78.123.71.198 0:0:0:0:0:ffff:4e7b:47c6
78.123.71.199 0:0:0:0:0:ffff:4e7b:47c7
78.123.71.200 0:0:0:0:0:ffff:4e7b:47c8
78.123.71.201 0:0:0:0:0:ffff:4e7b:47c9
78.123.71.202 0:0:0:0:0:ffff:4e7b:47ca
78.123.71.203 0:0:0:0:0:ffff:4e7b:47cb
78.123.71.204 0:0:0:0:0:ffff:4e7b:47cc
78.123.71.205 0:0:0:0:0:ffff:4e7b:47cd
78.123.71.206 0:0:0:0:0:ffff:4e7b:47ce
78.123.71.207 0:0:0:0:0:ffff:4e7b:47cf
78.123.71.208 0:0:0:0:0:ffff:4e7b:47d0
78.123.71.209 0:0:0:0:0:ffff:4e7b:47d1
78.123.71.210 0:0:0:0:0:ffff:4e7b:47d2
78.123.71.211 0:0:0:0:0:ffff:4e7b:47d3
78.123.71.212 0:0:0:0:0:ffff:4e7b:47d4
78.123.71.213 0:0:0:0:0:ffff:4e7b:47d5
78.123.71.214 0:0:0:0:0:ffff:4e7b:47d6
78.123.71.215 0:0:0:0:0:ffff:4e7b:47d7
78.123.71.216 0:0:0:0:0:ffff:4e7b:47d8
78.123.71.217 0:0:0:0:0:ffff:4e7b:47d9
78.123.71.218 0:0:0:0:0:ffff:4e7b:47da
78.123.71.219 0:0:0:0:0:ffff:4e7b:47db
78.123.71.220 0:0:0:0:0:ffff:4e7b:47dc
78.123.71.221 0:0:0:0:0:ffff:4e7b:47dd
78.123.71.222 0:0:0:0:0:ffff:4e7b:47de
78.123.71.223 0:0:0:0:0:ffff:4e7b:47df
78.123.71.224 0:0:0:0:0:ffff:4e7b:47e0
78.123.71.225 0:0:0:0:0:ffff:4e7b:47e1
78.123.71.226 0:0:0:0:0:ffff:4e7b:47e2
78.123.71.227 0:0:0:0:0:ffff:4e7b:47e3
78.123.71.228 0:0:0:0:0:ffff:4e7b:47e4
78.123.71.229 0:0:0:0:0:ffff:4e7b:47e5
78.123.71.230 0:0:0:0:0:ffff:4e7b:47e6
78.123.71.231 0:0:0:0:0:ffff:4e7b:47e7
78.123.71.232 0:0:0:0:0:ffff:4e7b:47e8
78.123.71.233 0:0:0:0:0:ffff:4e7b:47e9
78.123.71.234 0:0:0:0:0:ffff:4e7b:47ea
78.123.71.235 0:0:0:0:0:ffff:4e7b:47eb
78.123.71.236 0:0:0:0:0:ffff:4e7b:47ec
78.123.71.237 0:0:0:0:0:ffff:4e7b:47ed
78.123.71.238 0:0:0:0:0:ffff:4e7b:47ee
78.123.71.239 0:0:0:0:0:ffff:4e7b:47ef
78.123.71.240 0:0:0:0:0:ffff:4e7b:47f0
78.123.71.241 0:0:0:0:0:ffff:4e7b:47f1
78.123.71.242 0:0:0:0:0:ffff:4e7b:47f2
78.123.71.243 0:0:0:0:0:ffff:4e7b:47f3
78.123.71.244 0:0:0:0:0:ffff:4e7b:47f4
78.123.71.245 0:0:0:0:0:ffff:4e7b:47f5
78.123.71.246 0:0:0:0:0:ffff:4e7b:47f6
78.123.71.247 0:0:0:0:0:ffff:4e7b:47f7
78.123.71.248 0:0:0:0:0:ffff:4e7b:47f8
78.123.71.249 0:0:0:0:0:ffff:4e7b:47f9
78.123.71.250 0:0:0:0:0:ffff:4e7b:47fa
78.123.71.251 0:0:0:0:0:ffff:4e7b:47fb
78.123.71.252 0:0:0:0:0:ffff:4e7b:47fc
78.123.71.253 0:0:0:0:0:ffff:4e7b:47fd
78.123.71.254 0:0:0:0:0:ffff:4e7b:47fe
78.123.71.255 0:0:0:0:0:ffff:4e7b: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.