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
151.78.23.1 0:0:0:0:0:ffff:974e:1701
151.78.23.2 0:0:0:0:0:ffff:974e:1702
151.78.23.3 0:0:0:0:0:ffff:974e:1703
151.78.23.4 0:0:0:0:0:ffff:974e:1704
151.78.23.5 0:0:0:0:0:ffff:974e:1705
151.78.23.6 0:0:0:0:0:ffff:974e:1706
151.78.23.7 0:0:0:0:0:ffff:974e:1707
151.78.23.8 0:0:0:0:0:ffff:974e:1708
151.78.23.9 0:0:0:0:0:ffff:974e:1709
151.78.23.10 0:0:0:0:0:ffff:974e:170a
151.78.23.11 0:0:0:0:0:ffff:974e:170b
151.78.23.12 0:0:0:0:0:ffff:974e:170c
151.78.23.13 0:0:0:0:0:ffff:974e:170d
151.78.23.14 0:0:0:0:0:ffff:974e:170e
151.78.23.15 0:0:0:0:0:ffff:974e:170f
151.78.23.16 0:0:0:0:0:ffff:974e:1710
151.78.23.17 0:0:0:0:0:ffff:974e:1711
151.78.23.18 0:0:0:0:0:ffff:974e:1712
151.78.23.19 0:0:0:0:0:ffff:974e:1713
151.78.23.20 0:0:0:0:0:ffff:974e:1714
151.78.23.21 0:0:0:0:0:ffff:974e:1715
151.78.23.22 0:0:0:0:0:ffff:974e:1716
151.78.23.23 0:0:0:0:0:ffff:974e:1717
151.78.23.24 0:0:0:0:0:ffff:974e:1718
151.78.23.25 0:0:0:0:0:ffff:974e:1719
151.78.23.26 0:0:0:0:0:ffff:974e:171a
151.78.23.27 0:0:0:0:0:ffff:974e:171b
151.78.23.28 0:0:0:0:0:ffff:974e:171c
151.78.23.29 0:0:0:0:0:ffff:974e:171d
151.78.23.30 0:0:0:0:0:ffff:974e:171e
151.78.23.31 0:0:0:0:0:ffff:974e:171f
151.78.23.32 0:0:0:0:0:ffff:974e:1720
151.78.23.33 0:0:0:0:0:ffff:974e:1721
151.78.23.34 0:0:0:0:0:ffff:974e:1722
151.78.23.35 0:0:0:0:0:ffff:974e:1723
151.78.23.36 0:0:0:0:0:ffff:974e:1724
151.78.23.37 0:0:0:0:0:ffff:974e:1725
151.78.23.38 0:0:0:0:0:ffff:974e:1726
151.78.23.39 0:0:0:0:0:ffff:974e:1727
151.78.23.40 0:0:0:0:0:ffff:974e:1728
151.78.23.41 0:0:0:0:0:ffff:974e:1729
151.78.23.42 0:0:0:0:0:ffff:974e:172a
151.78.23.43 0:0:0:0:0:ffff:974e:172b
151.78.23.44 0:0:0:0:0:ffff:974e:172c
151.78.23.45 0:0:0:0:0:ffff:974e:172d
151.78.23.46 0:0:0:0:0:ffff:974e:172e
151.78.23.47 0:0:0:0:0:ffff:974e:172f
151.78.23.48 0:0:0:0:0:ffff:974e:1730
151.78.23.49 0:0:0:0:0:ffff:974e:1731
151.78.23.50 0:0:0:0:0:ffff:974e:1732
151.78.23.51 0:0:0:0:0:ffff:974e:1733
151.78.23.52 0:0:0:0:0:ffff:974e:1734
151.78.23.53 0:0:0:0:0:ffff:974e:1735
151.78.23.54 0:0:0:0:0:ffff:974e:1736
151.78.23.55 0:0:0:0:0:ffff:974e:1737
151.78.23.56 0:0:0:0:0:ffff:974e:1738
151.78.23.57 0:0:0:0:0:ffff:974e:1739
151.78.23.58 0:0:0:0:0:ffff:974e:173a
151.78.23.59 0:0:0:0:0:ffff:974e:173b
151.78.23.60 0:0:0:0:0:ffff:974e:173c


151.78.23.61 0:0:0:0:0:ffff:974e:173d
151.78.23.62 0:0:0:0:0:ffff:974e:173e
151.78.23.63 0:0:0:0:0:ffff:974e:173f
151.78.23.64 0:0:0:0:0:ffff:974e:1740
151.78.23.65 0:0:0:0:0:ffff:974e:1741
151.78.23.66 0:0:0:0:0:ffff:974e:1742
151.78.23.67 0:0:0:0:0:ffff:974e:1743
151.78.23.68 0:0:0:0:0:ffff:974e:1744
151.78.23.69 0:0:0:0:0:ffff:974e:1745
151.78.23.70 0:0:0:0:0:ffff:974e:1746
151.78.23.71 0:0:0:0:0:ffff:974e:1747
151.78.23.72 0:0:0:0:0:ffff:974e:1748
151.78.23.73 0:0:0:0:0:ffff:974e:1749
151.78.23.74 0:0:0:0:0:ffff:974e:174a
151.78.23.75 0:0:0:0:0:ffff:974e:174b
151.78.23.76 0:0:0:0:0:ffff:974e:174c
151.78.23.77 0:0:0:0:0:ffff:974e:174d
151.78.23.78 0:0:0:0:0:ffff:974e:174e
151.78.23.79 0:0:0:0:0:ffff:974e:174f
151.78.23.80 0:0:0:0:0:ffff:974e:1750
151.78.23.81 0:0:0:0:0:ffff:974e:1751
151.78.23.82 0:0:0:0:0:ffff:974e:1752
151.78.23.83 0:0:0:0:0:ffff:974e:1753
151.78.23.84 0:0:0:0:0:ffff:974e:1754
151.78.23.85 0:0:0:0:0:ffff:974e:1755
151.78.23.86 0:0:0:0:0:ffff:974e:1756
151.78.23.87 0:0:0:0:0:ffff:974e:1757
151.78.23.88 0:0:0:0:0:ffff:974e:1758
151.78.23.89 0:0:0:0:0:ffff:974e:1759
151.78.23.90 0:0:0:0:0:ffff:974e:175a
151.78.23.91 0:0:0:0:0:ffff:974e:175b
151.78.23.92 0:0:0:0:0:ffff:974e:175c
151.78.23.93 0:0:0:0:0:ffff:974e:175d
151.78.23.94 0:0:0:0:0:ffff:974e:175e
151.78.23.95 0:0:0:0:0:ffff:974e:175f
151.78.23.96 0:0:0:0:0:ffff:974e:1760
151.78.23.97 0:0:0:0:0:ffff:974e:1761
151.78.23.98 0:0:0:0:0:ffff:974e:1762
151.78.23.99 0:0:0:0:0:ffff:974e:1763
151.78.23.100 0:0:0:0:0:ffff:974e:1764
151.78.23.101 0:0:0:0:0:ffff:974e:1765
151.78.23.102 0:0:0:0:0:ffff:974e:1766
151.78.23.103 0:0:0:0:0:ffff:974e:1767
151.78.23.104 0:0:0:0:0:ffff:974e:1768
151.78.23.105 0:0:0:0:0:ffff:974e:1769
151.78.23.106 0:0:0:0:0:ffff:974e:176a
151.78.23.107 0:0:0:0:0:ffff:974e:176b
151.78.23.108 0:0:0:0:0:ffff:974e:176c
151.78.23.109 0:0:0:0:0:ffff:974e:176d
151.78.23.110 0:0:0:0:0:ffff:974e:176e
151.78.23.111 0:0:0:0:0:ffff:974e:176f
151.78.23.112 0:0:0:0:0:ffff:974e:1770
151.78.23.113 0:0:0:0:0:ffff:974e:1771
151.78.23.114 0:0:0:0:0:ffff:974e:1772
151.78.23.115 0:0:0:0:0:ffff:974e:1773
151.78.23.116 0:0:0:0:0:ffff:974e:1774
151.78.23.117 0:0:0:0:0:ffff:974e:1775
151.78.23.118 0:0:0:0:0:ffff:974e:1776
151.78.23.119 0:0:0:0:0:ffff:974e:1777
151.78.23.120 0:0:0:0:0:ffff:974e:1778


151.78.23.121 0:0:0:0:0:ffff:974e:1779
151.78.23.122 0:0:0:0:0:ffff:974e:177a
151.78.23.123 0:0:0:0:0:ffff:974e:177b
151.78.23.124 0:0:0:0:0:ffff:974e:177c
151.78.23.125 0:0:0:0:0:ffff:974e:177d
151.78.23.126 0:0:0:0:0:ffff:974e:177e
151.78.23.127 0:0:0:0:0:ffff:974e:177f
151.78.23.128 0:0:0:0:0:ffff:974e:1780
151.78.23.129 0:0:0:0:0:ffff:974e:1781
151.78.23.130 0:0:0:0:0:ffff:974e:1782
151.78.23.131 0:0:0:0:0:ffff:974e:1783
151.78.23.132 0:0:0:0:0:ffff:974e:1784
151.78.23.133 0:0:0:0:0:ffff:974e:1785
151.78.23.134 0:0:0:0:0:ffff:974e:1786
151.78.23.135 0:0:0:0:0:ffff:974e:1787
151.78.23.136 0:0:0:0:0:ffff:974e:1788
151.78.23.137 0:0:0:0:0:ffff:974e:1789
151.78.23.138 0:0:0:0:0:ffff:974e:178a
151.78.23.139 0:0:0:0:0:ffff:974e:178b
151.78.23.140 0:0:0:0:0:ffff:974e:178c
151.78.23.141 0:0:0:0:0:ffff:974e:178d
151.78.23.142 0:0:0:0:0:ffff:974e:178e
151.78.23.143 0:0:0:0:0:ffff:974e:178f
151.78.23.144 0:0:0:0:0:ffff:974e:1790
151.78.23.145 0:0:0:0:0:ffff:974e:1791
151.78.23.146 0:0:0:0:0:ffff:974e:1792
151.78.23.147 0:0:0:0:0:ffff:974e:1793
151.78.23.148 0:0:0:0:0:ffff:974e:1794
151.78.23.149 0:0:0:0:0:ffff:974e:1795
151.78.23.150 0:0:0:0:0:ffff:974e:1796
151.78.23.151 0:0:0:0:0:ffff:974e:1797
151.78.23.152 0:0:0:0:0:ffff:974e:1798
151.78.23.153 0:0:0:0:0:ffff:974e:1799
151.78.23.154 0:0:0:0:0:ffff:974e:179a
151.78.23.155 0:0:0:0:0:ffff:974e:179b
151.78.23.156 0:0:0:0:0:ffff:974e:179c
151.78.23.157 0:0:0:0:0:ffff:974e:179d
151.78.23.158 0:0:0:0:0:ffff:974e:179e
151.78.23.159 0:0:0:0:0:ffff:974e:179f
151.78.23.160 0:0:0:0:0:ffff:974e:17a0
151.78.23.161 0:0:0:0:0:ffff:974e:17a1
151.78.23.162 0:0:0:0:0:ffff:974e:17a2
151.78.23.163 0:0:0:0:0:ffff:974e:17a3
151.78.23.164 0:0:0:0:0:ffff:974e:17a4
151.78.23.165 0:0:0:0:0:ffff:974e:17a5
151.78.23.166 0:0:0:0:0:ffff:974e:17a6
151.78.23.167 0:0:0:0:0:ffff:974e:17a7
151.78.23.168 0:0:0:0:0:ffff:974e:17a8
151.78.23.169 0:0:0:0:0:ffff:974e:17a9
151.78.23.170 0:0:0:0:0:ffff:974e:17aa
151.78.23.171 0:0:0:0:0:ffff:974e:17ab
151.78.23.172 0:0:0:0:0:ffff:974e:17ac
151.78.23.173 0:0:0:0:0:ffff:974e:17ad
151.78.23.174 0:0:0:0:0:ffff:974e:17ae
151.78.23.175 0:0:0:0:0:ffff:974e:17af
151.78.23.176 0:0:0:0:0:ffff:974e:17b0
151.78.23.177 0:0:0:0:0:ffff:974e:17b1
151.78.23.178 0:0:0:0:0:ffff:974e:17b2
151.78.23.179 0:0:0:0:0:ffff:974e:17b3
151.78.23.180 0:0:0:0:0:ffff:974e:17b4


151.78.23.181 0:0:0:0:0:ffff:974e:17b5
151.78.23.182 0:0:0:0:0:ffff:974e:17b6
151.78.23.183 0:0:0:0:0:ffff:974e:17b7
151.78.23.184 0:0:0:0:0:ffff:974e:17b8
151.78.23.185 0:0:0:0:0:ffff:974e:17b9
151.78.23.186 0:0:0:0:0:ffff:974e:17ba
151.78.23.187 0:0:0:0:0:ffff:974e:17bb
151.78.23.188 0:0:0:0:0:ffff:974e:17bc
151.78.23.189 0:0:0:0:0:ffff:974e:17bd
151.78.23.190 0:0:0:0:0:ffff:974e:17be
151.78.23.191 0:0:0:0:0:ffff:974e:17bf
151.78.23.192 0:0:0:0:0:ffff:974e:17c0
151.78.23.193 0:0:0:0:0:ffff:974e:17c1
151.78.23.194 0:0:0:0:0:ffff:974e:17c2
151.78.23.195 0:0:0:0:0:ffff:974e:17c3
151.78.23.196 0:0:0:0:0:ffff:974e:17c4
151.78.23.197 0:0:0:0:0:ffff:974e:17c5
151.78.23.198 0:0:0:0:0:ffff:974e:17c6
151.78.23.199 0:0:0:0:0:ffff:974e:17c7
151.78.23.200 0:0:0:0:0:ffff:974e:17c8
151.78.23.201 0:0:0:0:0:ffff:974e:17c9
151.78.23.202 0:0:0:0:0:ffff:974e:17ca
151.78.23.203 0:0:0:0:0:ffff:974e:17cb
151.78.23.204 0:0:0:0:0:ffff:974e:17cc
151.78.23.205 0:0:0:0:0:ffff:974e:17cd
151.78.23.206 0:0:0:0:0:ffff:974e:17ce
151.78.23.207 0:0:0:0:0:ffff:974e:17cf
151.78.23.208 0:0:0:0:0:ffff:974e:17d0
151.78.23.209 0:0:0:0:0:ffff:974e:17d1
151.78.23.210 0:0:0:0:0:ffff:974e:17d2
151.78.23.211 0:0:0:0:0:ffff:974e:17d3
151.78.23.212 0:0:0:0:0:ffff:974e:17d4
151.78.23.213 0:0:0:0:0:ffff:974e:17d5
151.78.23.214 0:0:0:0:0:ffff:974e:17d6
151.78.23.215 0:0:0:0:0:ffff:974e:17d7
151.78.23.216 0:0:0:0:0:ffff:974e:17d8
151.78.23.217 0:0:0:0:0:ffff:974e:17d9
151.78.23.218 0:0:0:0:0:ffff:974e:17da
151.78.23.219 0:0:0:0:0:ffff:974e:17db
151.78.23.220 0:0:0:0:0:ffff:974e:17dc
151.78.23.221 0:0:0:0:0:ffff:974e:17dd
151.78.23.222 0:0:0:0:0:ffff:974e:17de
151.78.23.223 0:0:0:0:0:ffff:974e:17df
151.78.23.224 0:0:0:0:0:ffff:974e:17e0
151.78.23.225 0:0:0:0:0:ffff:974e:17e1
151.78.23.226 0:0:0:0:0:ffff:974e:17e2
151.78.23.227 0:0:0:0:0:ffff:974e:17e3
151.78.23.228 0:0:0:0:0:ffff:974e:17e4
151.78.23.229 0:0:0:0:0:ffff:974e:17e5
151.78.23.230 0:0:0:0:0:ffff:974e:17e6
151.78.23.231 0:0:0:0:0:ffff:974e:17e7
151.78.23.232 0:0:0:0:0:ffff:974e:17e8
151.78.23.233 0:0:0:0:0:ffff:974e:17e9
151.78.23.234 0:0:0:0:0:ffff:974e:17ea
151.78.23.235 0:0:0:0:0:ffff:974e:17eb
151.78.23.236 0:0:0:0:0:ffff:974e:17ec
151.78.23.237 0:0:0:0:0:ffff:974e:17ed
151.78.23.238 0:0:0:0:0:ffff:974e:17ee
151.78.23.239 0:0:0:0:0:ffff:974e:17ef
151.78.23.240 0:0:0:0:0:ffff:974e:17f0
151.78.23.241 0:0:0:0:0:ffff:974e:17f1
151.78.23.242 0:0:0:0:0:ffff:974e:17f2
151.78.23.243 0:0:0:0:0:ffff:974e:17f3
151.78.23.244 0:0:0:0:0:ffff:974e:17f4
151.78.23.245 0:0:0:0:0:ffff:974e:17f5
151.78.23.246 0:0:0:0:0:ffff:974e:17f6
151.78.23.247 0:0:0:0:0:ffff:974e:17f7
151.78.23.248 0:0:0:0:0:ffff:974e:17f8
151.78.23.249 0:0:0:0:0:ffff:974e:17f9
151.78.23.250 0:0:0:0:0:ffff:974e:17fa
151.78.23.251 0:0:0:0:0:ffff:974e:17fb
151.78.23.252 0:0:0:0:0:ffff:974e:17fc
151.78.23.253 0:0:0:0:0:ffff:974e:17fd
151.78.23.254 0:0:0:0:0:ffff:974e:17fe
151.78.23.255 0:0:0:0:0:ffff:974e:17ff


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.