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
85.21.24.1 0:0:0:0:0:ffff:5515:1801
85.21.24.2 0:0:0:0:0:ffff:5515:1802
85.21.24.3 0:0:0:0:0:ffff:5515:1803
85.21.24.4 0:0:0:0:0:ffff:5515:1804
85.21.24.5 0:0:0:0:0:ffff:5515:1805
85.21.24.6 0:0:0:0:0:ffff:5515:1806
85.21.24.7 0:0:0:0:0:ffff:5515:1807
85.21.24.8 0:0:0:0:0:ffff:5515:1808
85.21.24.9 0:0:0:0:0:ffff:5515:1809
85.21.24.10 0:0:0:0:0:ffff:5515:180a
85.21.24.11 0:0:0:0:0:ffff:5515:180b
85.21.24.12 0:0:0:0:0:ffff:5515:180c
85.21.24.13 0:0:0:0:0:ffff:5515:180d
85.21.24.14 0:0:0:0:0:ffff:5515:180e
85.21.24.15 0:0:0:0:0:ffff:5515:180f
85.21.24.16 0:0:0:0:0:ffff:5515:1810
85.21.24.17 0:0:0:0:0:ffff:5515:1811
85.21.24.18 0:0:0:0:0:ffff:5515:1812
85.21.24.19 0:0:0:0:0:ffff:5515:1813
85.21.24.20 0:0:0:0:0:ffff:5515:1814
85.21.24.21 0:0:0:0:0:ffff:5515:1815
85.21.24.22 0:0:0:0:0:ffff:5515:1816
85.21.24.23 0:0:0:0:0:ffff:5515:1817
85.21.24.24 0:0:0:0:0:ffff:5515:1818
85.21.24.25 0:0:0:0:0:ffff:5515:1819
85.21.24.26 0:0:0:0:0:ffff:5515:181a
85.21.24.27 0:0:0:0:0:ffff:5515:181b
85.21.24.28 0:0:0:0:0:ffff:5515:181c
85.21.24.29 0:0:0:0:0:ffff:5515:181d
85.21.24.30 0:0:0:0:0:ffff:5515:181e
85.21.24.31 0:0:0:0:0:ffff:5515:181f
85.21.24.32 0:0:0:0:0:ffff:5515:1820
85.21.24.33 0:0:0:0:0:ffff:5515:1821
85.21.24.34 0:0:0:0:0:ffff:5515:1822
85.21.24.35 0:0:0:0:0:ffff:5515:1823
85.21.24.36 0:0:0:0:0:ffff:5515:1824
85.21.24.37 0:0:0:0:0:ffff:5515:1825
85.21.24.38 0:0:0:0:0:ffff:5515:1826
85.21.24.39 0:0:0:0:0:ffff:5515:1827
85.21.24.40 0:0:0:0:0:ffff:5515:1828
85.21.24.41 0:0:0:0:0:ffff:5515:1829
85.21.24.42 0:0:0:0:0:ffff:5515:182a
85.21.24.43 0:0:0:0:0:ffff:5515:182b
85.21.24.44 0:0:0:0:0:ffff:5515:182c
85.21.24.45 0:0:0:0:0:ffff:5515:182d
85.21.24.46 0:0:0:0:0:ffff:5515:182e
85.21.24.47 0:0:0:0:0:ffff:5515:182f
85.21.24.48 0:0:0:0:0:ffff:5515:1830
85.21.24.49 0:0:0:0:0:ffff:5515:1831
85.21.24.50 0:0:0:0:0:ffff:5515:1832
85.21.24.51 0:0:0:0:0:ffff:5515:1833
85.21.24.52 0:0:0:0:0:ffff:5515:1834
85.21.24.53 0:0:0:0:0:ffff:5515:1835
85.21.24.54 0:0:0:0:0:ffff:5515:1836
85.21.24.55 0:0:0:0:0:ffff:5515:1837
85.21.24.56 0:0:0:0:0:ffff:5515:1838
85.21.24.57 0:0:0:0:0:ffff:5515:1839
85.21.24.58 0:0:0:0:0:ffff:5515:183a
85.21.24.59 0:0:0:0:0:ffff:5515:183b
85.21.24.60 0:0:0:0:0:ffff:5515:183c


85.21.24.61 0:0:0:0:0:ffff:5515:183d
85.21.24.62 0:0:0:0:0:ffff:5515:183e
85.21.24.63 0:0:0:0:0:ffff:5515:183f
85.21.24.64 0:0:0:0:0:ffff:5515:1840
85.21.24.65 0:0:0:0:0:ffff:5515:1841
85.21.24.66 0:0:0:0:0:ffff:5515:1842
85.21.24.67 0:0:0:0:0:ffff:5515:1843
85.21.24.68 0:0:0:0:0:ffff:5515:1844
85.21.24.69 0:0:0:0:0:ffff:5515:1845
85.21.24.70 0:0:0:0:0:ffff:5515:1846
85.21.24.71 0:0:0:0:0:ffff:5515:1847
85.21.24.72 0:0:0:0:0:ffff:5515:1848
85.21.24.73 0:0:0:0:0:ffff:5515:1849
85.21.24.74 0:0:0:0:0:ffff:5515:184a
85.21.24.75 0:0:0:0:0:ffff:5515:184b
85.21.24.76 0:0:0:0:0:ffff:5515:184c
85.21.24.77 0:0:0:0:0:ffff:5515:184d
85.21.24.78 0:0:0:0:0:ffff:5515:184e
85.21.24.79 0:0:0:0:0:ffff:5515:184f
85.21.24.80 0:0:0:0:0:ffff:5515:1850
85.21.24.81 0:0:0:0:0:ffff:5515:1851
85.21.24.82 0:0:0:0:0:ffff:5515:1852
85.21.24.83 0:0:0:0:0:ffff:5515:1853
85.21.24.84 0:0:0:0:0:ffff:5515:1854
85.21.24.85 0:0:0:0:0:ffff:5515:1855
85.21.24.86 0:0:0:0:0:ffff:5515:1856
85.21.24.87 0:0:0:0:0:ffff:5515:1857
85.21.24.88 0:0:0:0:0:ffff:5515:1858
85.21.24.89 0:0:0:0:0:ffff:5515:1859
85.21.24.90 0:0:0:0:0:ffff:5515:185a
85.21.24.91 0:0:0:0:0:ffff:5515:185b
85.21.24.92 0:0:0:0:0:ffff:5515:185c
85.21.24.93 0:0:0:0:0:ffff:5515:185d
85.21.24.94 0:0:0:0:0:ffff:5515:185e
85.21.24.95 0:0:0:0:0:ffff:5515:185f
85.21.24.96 0:0:0:0:0:ffff:5515:1860
85.21.24.97 0:0:0:0:0:ffff:5515:1861
85.21.24.98 0:0:0:0:0:ffff:5515:1862
85.21.24.99 0:0:0:0:0:ffff:5515:1863
85.21.24.100 0:0:0:0:0:ffff:5515:1864
85.21.24.101 0:0:0:0:0:ffff:5515:1865
85.21.24.102 0:0:0:0:0:ffff:5515:1866
85.21.24.103 0:0:0:0:0:ffff:5515:1867
85.21.24.104 0:0:0:0:0:ffff:5515:1868
85.21.24.105 0:0:0:0:0:ffff:5515:1869
85.21.24.106 0:0:0:0:0:ffff:5515:186a
85.21.24.107 0:0:0:0:0:ffff:5515:186b
85.21.24.108 0:0:0:0:0:ffff:5515:186c
85.21.24.109 0:0:0:0:0:ffff:5515:186d
85.21.24.110 0:0:0:0:0:ffff:5515:186e
85.21.24.111 0:0:0:0:0:ffff:5515:186f
85.21.24.112 0:0:0:0:0:ffff:5515:1870
85.21.24.113 0:0:0:0:0:ffff:5515:1871
85.21.24.114 0:0:0:0:0:ffff:5515:1872
85.21.24.115 0:0:0:0:0:ffff:5515:1873
85.21.24.116 0:0:0:0:0:ffff:5515:1874
85.21.24.117 0:0:0:0:0:ffff:5515:1875
85.21.24.118 0:0:0:0:0:ffff:5515:1876
85.21.24.119 0:0:0:0:0:ffff:5515:1877
85.21.24.120 0:0:0:0:0:ffff:5515:1878


85.21.24.121 0:0:0:0:0:ffff:5515:1879
85.21.24.122 0:0:0:0:0:ffff:5515:187a
85.21.24.123 0:0:0:0:0:ffff:5515:187b
85.21.24.124 0:0:0:0:0:ffff:5515:187c
85.21.24.125 0:0:0:0:0:ffff:5515:187d
85.21.24.126 0:0:0:0:0:ffff:5515:187e
85.21.24.127 0:0:0:0:0:ffff:5515:187f
85.21.24.128 0:0:0:0:0:ffff:5515:1880
85.21.24.129 0:0:0:0:0:ffff:5515:1881
85.21.24.130 0:0:0:0:0:ffff:5515:1882
85.21.24.131 0:0:0:0:0:ffff:5515:1883
85.21.24.132 0:0:0:0:0:ffff:5515:1884
85.21.24.133 0:0:0:0:0:ffff:5515:1885
85.21.24.134 0:0:0:0:0:ffff:5515:1886
85.21.24.135 0:0:0:0:0:ffff:5515:1887
85.21.24.136 0:0:0:0:0:ffff:5515:1888
85.21.24.137 0:0:0:0:0:ffff:5515:1889
85.21.24.138 0:0:0:0:0:ffff:5515:188a
85.21.24.139 0:0:0:0:0:ffff:5515:188b
85.21.24.140 0:0:0:0:0:ffff:5515:188c
85.21.24.141 0:0:0:0:0:ffff:5515:188d
85.21.24.142 0:0:0:0:0:ffff:5515:188e
85.21.24.143 0:0:0:0:0:ffff:5515:188f
85.21.24.144 0:0:0:0:0:ffff:5515:1890
85.21.24.145 0:0:0:0:0:ffff:5515:1891
85.21.24.146 0:0:0:0:0:ffff:5515:1892
85.21.24.147 0:0:0:0:0:ffff:5515:1893
85.21.24.148 0:0:0:0:0:ffff:5515:1894
85.21.24.149 0:0:0:0:0:ffff:5515:1895
85.21.24.150 0:0:0:0:0:ffff:5515:1896
85.21.24.151 0:0:0:0:0:ffff:5515:1897
85.21.24.152 0:0:0:0:0:ffff:5515:1898
85.21.24.153 0:0:0:0:0:ffff:5515:1899
85.21.24.154 0:0:0:0:0:ffff:5515:189a
85.21.24.155 0:0:0:0:0:ffff:5515:189b
85.21.24.156 0:0:0:0:0:ffff:5515:189c
85.21.24.157 0:0:0:0:0:ffff:5515:189d
85.21.24.158 0:0:0:0:0:ffff:5515:189e
85.21.24.159 0:0:0:0:0:ffff:5515:189f
85.21.24.160 0:0:0:0:0:ffff:5515:18a0
85.21.24.161 0:0:0:0:0:ffff:5515:18a1
85.21.24.162 0:0:0:0:0:ffff:5515:18a2
85.21.24.163 0:0:0:0:0:ffff:5515:18a3
85.21.24.164 0:0:0:0:0:ffff:5515:18a4
85.21.24.165 0:0:0:0:0:ffff:5515:18a5
85.21.24.166 0:0:0:0:0:ffff:5515:18a6
85.21.24.167 0:0:0:0:0:ffff:5515:18a7
85.21.24.168 0:0:0:0:0:ffff:5515:18a8
85.21.24.169 0:0:0:0:0:ffff:5515:18a9
85.21.24.170 0:0:0:0:0:ffff:5515:18aa
85.21.24.171 0:0:0:0:0:ffff:5515:18ab
85.21.24.172 0:0:0:0:0:ffff:5515:18ac
85.21.24.173 0:0:0:0:0:ffff:5515:18ad
85.21.24.174 0:0:0:0:0:ffff:5515:18ae
85.21.24.175 0:0:0:0:0:ffff:5515:18af
85.21.24.176 0:0:0:0:0:ffff:5515:18b0
85.21.24.177 0:0:0:0:0:ffff:5515:18b1
85.21.24.178 0:0:0:0:0:ffff:5515:18b2
85.21.24.179 0:0:0:0:0:ffff:5515:18b3
85.21.24.180 0:0:0:0:0:ffff:5515:18b4


85.21.24.181 0:0:0:0:0:ffff:5515:18b5
85.21.24.182 0:0:0:0:0:ffff:5515:18b6
85.21.24.183 0:0:0:0:0:ffff:5515:18b7
85.21.24.184 0:0:0:0:0:ffff:5515:18b8
85.21.24.185 0:0:0:0:0:ffff:5515:18b9
85.21.24.186 0:0:0:0:0:ffff:5515:18ba
85.21.24.187 0:0:0:0:0:ffff:5515:18bb
85.21.24.188 0:0:0:0:0:ffff:5515:18bc
85.21.24.189 0:0:0:0:0:ffff:5515:18bd
85.21.24.190 0:0:0:0:0:ffff:5515:18be
85.21.24.191 0:0:0:0:0:ffff:5515:18bf
85.21.24.192 0:0:0:0:0:ffff:5515:18c0
85.21.24.193 0:0:0:0:0:ffff:5515:18c1
85.21.24.194 0:0:0:0:0:ffff:5515:18c2
85.21.24.195 0:0:0:0:0:ffff:5515:18c3
85.21.24.196 0:0:0:0:0:ffff:5515:18c4
85.21.24.197 0:0:0:0:0:ffff:5515:18c5
85.21.24.198 0:0:0:0:0:ffff:5515:18c6
85.21.24.199 0:0:0:0:0:ffff:5515:18c7
85.21.24.200 0:0:0:0:0:ffff:5515:18c8
85.21.24.201 0:0:0:0:0:ffff:5515:18c9
85.21.24.202 0:0:0:0:0:ffff:5515:18ca
85.21.24.203 0:0:0:0:0:ffff:5515:18cb
85.21.24.204 0:0:0:0:0:ffff:5515:18cc
85.21.24.205 0:0:0:0:0:ffff:5515:18cd
85.21.24.206 0:0:0:0:0:ffff:5515:18ce
85.21.24.207 0:0:0:0:0:ffff:5515:18cf
85.21.24.208 0:0:0:0:0:ffff:5515:18d0
85.21.24.209 0:0:0:0:0:ffff:5515:18d1
85.21.24.210 0:0:0:0:0:ffff:5515:18d2
85.21.24.211 0:0:0:0:0:ffff:5515:18d3
85.21.24.212 0:0:0:0:0:ffff:5515:18d4
85.21.24.213 0:0:0:0:0:ffff:5515:18d5
85.21.24.214 0:0:0:0:0:ffff:5515:18d6
85.21.24.215 0:0:0:0:0:ffff:5515:18d7
85.21.24.216 0:0:0:0:0:ffff:5515:18d8
85.21.24.217 0:0:0:0:0:ffff:5515:18d9
85.21.24.218 0:0:0:0:0:ffff:5515:18da
85.21.24.219 0:0:0:0:0:ffff:5515:18db
85.21.24.220 0:0:0:0:0:ffff:5515:18dc
85.21.24.221 0:0:0:0:0:ffff:5515:18dd
85.21.24.222 0:0:0:0:0:ffff:5515:18de
85.21.24.223 0:0:0:0:0:ffff:5515:18df
85.21.24.224 0:0:0:0:0:ffff:5515:18e0
85.21.24.225 0:0:0:0:0:ffff:5515:18e1
85.21.24.226 0:0:0:0:0:ffff:5515:18e2
85.21.24.227 0:0:0:0:0:ffff:5515:18e3
85.21.24.228 0:0:0:0:0:ffff:5515:18e4
85.21.24.229 0:0:0:0:0:ffff:5515:18e5
85.21.24.230 0:0:0:0:0:ffff:5515:18e6
85.21.24.231 0:0:0:0:0:ffff:5515:18e7
85.21.24.232 0:0:0:0:0:ffff:5515:18e8
85.21.24.233 0:0:0:0:0:ffff:5515:18e9
85.21.24.234 0:0:0:0:0:ffff:5515:18ea
85.21.24.235 0:0:0:0:0:ffff:5515:18eb
85.21.24.236 0:0:0:0:0:ffff:5515:18ec
85.21.24.237 0:0:0:0:0:ffff:5515:18ed
85.21.24.238 0:0:0:0:0:ffff:5515:18ee
85.21.24.239 0:0:0:0:0:ffff:5515:18ef
85.21.24.240 0:0:0:0:0:ffff:5515:18f0
85.21.24.241 0:0:0:0:0:ffff:5515:18f1
85.21.24.242 0:0:0:0:0:ffff:5515:18f2
85.21.24.243 0:0:0:0:0:ffff:5515:18f3
85.21.24.244 0:0:0:0:0:ffff:5515:18f4
85.21.24.245 0:0:0:0:0:ffff:5515:18f5
85.21.24.246 0:0:0:0:0:ffff:5515:18f6
85.21.24.247 0:0:0:0:0:ffff:5515:18f7
85.21.24.248 0:0:0:0:0:ffff:5515:18f8
85.21.24.249 0:0:0:0:0:ffff:5515:18f9
85.21.24.250 0:0:0:0:0:ffff:5515:18fa
85.21.24.251 0:0:0:0:0:ffff:5515:18fb
85.21.24.252 0:0:0:0:0:ffff:5515:18fc
85.21.24.253 0:0:0:0:0:ffff:5515:18fd
85.21.24.254 0:0:0:0:0:ffff:5515:18fe
85.21.24.255 0:0:0:0:0:ffff:5515:18ff


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.