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
157.187.25.1 0:0:0:0:0:ffff:9dbb:1901
157.187.25.2 0:0:0:0:0:ffff:9dbb:1902
157.187.25.3 0:0:0:0:0:ffff:9dbb:1903
157.187.25.4 0:0:0:0:0:ffff:9dbb:1904
157.187.25.5 0:0:0:0:0:ffff:9dbb:1905
157.187.25.6 0:0:0:0:0:ffff:9dbb:1906
157.187.25.7 0:0:0:0:0:ffff:9dbb:1907
157.187.25.8 0:0:0:0:0:ffff:9dbb:1908
157.187.25.9 0:0:0:0:0:ffff:9dbb:1909
157.187.25.10 0:0:0:0:0:ffff:9dbb:190a
157.187.25.11 0:0:0:0:0:ffff:9dbb:190b
157.187.25.12 0:0:0:0:0:ffff:9dbb:190c
157.187.25.13 0:0:0:0:0:ffff:9dbb:190d
157.187.25.14 0:0:0:0:0:ffff:9dbb:190e
157.187.25.15 0:0:0:0:0:ffff:9dbb:190f
157.187.25.16 0:0:0:0:0:ffff:9dbb:1910
157.187.25.17 0:0:0:0:0:ffff:9dbb:1911
157.187.25.18 0:0:0:0:0:ffff:9dbb:1912
157.187.25.19 0:0:0:0:0:ffff:9dbb:1913
157.187.25.20 0:0:0:0:0:ffff:9dbb:1914
157.187.25.21 0:0:0:0:0:ffff:9dbb:1915
157.187.25.22 0:0:0:0:0:ffff:9dbb:1916
157.187.25.23 0:0:0:0:0:ffff:9dbb:1917
157.187.25.24 0:0:0:0:0:ffff:9dbb:1918
157.187.25.25 0:0:0:0:0:ffff:9dbb:1919
157.187.25.26 0:0:0:0:0:ffff:9dbb:191a
157.187.25.27 0:0:0:0:0:ffff:9dbb:191b
157.187.25.28 0:0:0:0:0:ffff:9dbb:191c
157.187.25.29 0:0:0:0:0:ffff:9dbb:191d
157.187.25.30 0:0:0:0:0:ffff:9dbb:191e
157.187.25.31 0:0:0:0:0:ffff:9dbb:191f
157.187.25.32 0:0:0:0:0:ffff:9dbb:1920
157.187.25.33 0:0:0:0:0:ffff:9dbb:1921
157.187.25.34 0:0:0:0:0:ffff:9dbb:1922
157.187.25.35 0:0:0:0:0:ffff:9dbb:1923
157.187.25.36 0:0:0:0:0:ffff:9dbb:1924
157.187.25.37 0:0:0:0:0:ffff:9dbb:1925
157.187.25.38 0:0:0:0:0:ffff:9dbb:1926
157.187.25.39 0:0:0:0:0:ffff:9dbb:1927
157.187.25.40 0:0:0:0:0:ffff:9dbb:1928
157.187.25.41 0:0:0:0:0:ffff:9dbb:1929
157.187.25.42 0:0:0:0:0:ffff:9dbb:192a
157.187.25.43 0:0:0:0:0:ffff:9dbb:192b
157.187.25.44 0:0:0:0:0:ffff:9dbb:192c
157.187.25.45 0:0:0:0:0:ffff:9dbb:192d
157.187.25.46 0:0:0:0:0:ffff:9dbb:192e
157.187.25.47 0:0:0:0:0:ffff:9dbb:192f
157.187.25.48 0:0:0:0:0:ffff:9dbb:1930
157.187.25.49 0:0:0:0:0:ffff:9dbb:1931
157.187.25.50 0:0:0:0:0:ffff:9dbb:1932
157.187.25.51 0:0:0:0:0:ffff:9dbb:1933
157.187.25.52 0:0:0:0:0:ffff:9dbb:1934
157.187.25.53 0:0:0:0:0:ffff:9dbb:1935
157.187.25.54 0:0:0:0:0:ffff:9dbb:1936
157.187.25.55 0:0:0:0:0:ffff:9dbb:1937
157.187.25.56 0:0:0:0:0:ffff:9dbb:1938
157.187.25.57 0:0:0:0:0:ffff:9dbb:1939
157.187.25.58 0:0:0:0:0:ffff:9dbb:193a
157.187.25.59 0:0:0:0:0:ffff:9dbb:193b
157.187.25.60 0:0:0:0:0:ffff:9dbb:193c


157.187.25.61 0:0:0:0:0:ffff:9dbb:193d
157.187.25.62 0:0:0:0:0:ffff:9dbb:193e
157.187.25.63 0:0:0:0:0:ffff:9dbb:193f
157.187.25.64 0:0:0:0:0:ffff:9dbb:1940
157.187.25.65 0:0:0:0:0:ffff:9dbb:1941
157.187.25.66 0:0:0:0:0:ffff:9dbb:1942
157.187.25.67 0:0:0:0:0:ffff:9dbb:1943
157.187.25.68 0:0:0:0:0:ffff:9dbb:1944
157.187.25.69 0:0:0:0:0:ffff:9dbb:1945
157.187.25.70 0:0:0:0:0:ffff:9dbb:1946
157.187.25.71 0:0:0:0:0:ffff:9dbb:1947
157.187.25.72 0:0:0:0:0:ffff:9dbb:1948
157.187.25.73 0:0:0:0:0:ffff:9dbb:1949
157.187.25.74 0:0:0:0:0:ffff:9dbb:194a
157.187.25.75 0:0:0:0:0:ffff:9dbb:194b
157.187.25.76 0:0:0:0:0:ffff:9dbb:194c
157.187.25.77 0:0:0:0:0:ffff:9dbb:194d
157.187.25.78 0:0:0:0:0:ffff:9dbb:194e
157.187.25.79 0:0:0:0:0:ffff:9dbb:194f
157.187.25.80 0:0:0:0:0:ffff:9dbb:1950
157.187.25.81 0:0:0:0:0:ffff:9dbb:1951
157.187.25.82 0:0:0:0:0:ffff:9dbb:1952
157.187.25.83 0:0:0:0:0:ffff:9dbb:1953
157.187.25.84 0:0:0:0:0:ffff:9dbb:1954
157.187.25.85 0:0:0:0:0:ffff:9dbb:1955
157.187.25.86 0:0:0:0:0:ffff:9dbb:1956
157.187.25.87 0:0:0:0:0:ffff:9dbb:1957
157.187.25.88 0:0:0:0:0:ffff:9dbb:1958
157.187.25.89 0:0:0:0:0:ffff:9dbb:1959
157.187.25.90 0:0:0:0:0:ffff:9dbb:195a
157.187.25.91 0:0:0:0:0:ffff:9dbb:195b
157.187.25.92 0:0:0:0:0:ffff:9dbb:195c
157.187.25.93 0:0:0:0:0:ffff:9dbb:195d
157.187.25.94 0:0:0:0:0:ffff:9dbb:195e
157.187.25.95 0:0:0:0:0:ffff:9dbb:195f
157.187.25.96 0:0:0:0:0:ffff:9dbb:1960
157.187.25.97 0:0:0:0:0:ffff:9dbb:1961
157.187.25.98 0:0:0:0:0:ffff:9dbb:1962
157.187.25.99 0:0:0:0:0:ffff:9dbb:1963
157.187.25.100 0:0:0:0:0:ffff:9dbb:1964
157.187.25.101 0:0:0:0:0:ffff:9dbb:1965
157.187.25.102 0:0:0:0:0:ffff:9dbb:1966
157.187.25.103 0:0:0:0:0:ffff:9dbb:1967
157.187.25.104 0:0:0:0:0:ffff:9dbb:1968
157.187.25.105 0:0:0:0:0:ffff:9dbb:1969
157.187.25.106 0:0:0:0:0:ffff:9dbb:196a
157.187.25.107 0:0:0:0:0:ffff:9dbb:196b
157.187.25.108 0:0:0:0:0:ffff:9dbb:196c
157.187.25.109 0:0:0:0:0:ffff:9dbb:196d
157.187.25.110 0:0:0:0:0:ffff:9dbb:196e
157.187.25.111 0:0:0:0:0:ffff:9dbb:196f
157.187.25.112 0:0:0:0:0:ffff:9dbb:1970
157.187.25.113 0:0:0:0:0:ffff:9dbb:1971
157.187.25.114 0:0:0:0:0:ffff:9dbb:1972
157.187.25.115 0:0:0:0:0:ffff:9dbb:1973
157.187.25.116 0:0:0:0:0:ffff:9dbb:1974
157.187.25.117 0:0:0:0:0:ffff:9dbb:1975
157.187.25.118 0:0:0:0:0:ffff:9dbb:1976
157.187.25.119 0:0:0:0:0:ffff:9dbb:1977
157.187.25.120 0:0:0:0:0:ffff:9dbb:1978


157.187.25.121 0:0:0:0:0:ffff:9dbb:1979
157.187.25.122 0:0:0:0:0:ffff:9dbb:197a
157.187.25.123 0:0:0:0:0:ffff:9dbb:197b
157.187.25.124 0:0:0:0:0:ffff:9dbb:197c
157.187.25.125 0:0:0:0:0:ffff:9dbb:197d
157.187.25.126 0:0:0:0:0:ffff:9dbb:197e
157.187.25.127 0:0:0:0:0:ffff:9dbb:197f
157.187.25.128 0:0:0:0:0:ffff:9dbb:1980
157.187.25.129 0:0:0:0:0:ffff:9dbb:1981
157.187.25.130 0:0:0:0:0:ffff:9dbb:1982
157.187.25.131 0:0:0:0:0:ffff:9dbb:1983
157.187.25.132 0:0:0:0:0:ffff:9dbb:1984
157.187.25.133 0:0:0:0:0:ffff:9dbb:1985
157.187.25.134 0:0:0:0:0:ffff:9dbb:1986
157.187.25.135 0:0:0:0:0:ffff:9dbb:1987
157.187.25.136 0:0:0:0:0:ffff:9dbb:1988
157.187.25.137 0:0:0:0:0:ffff:9dbb:1989
157.187.25.138 0:0:0:0:0:ffff:9dbb:198a
157.187.25.139 0:0:0:0:0:ffff:9dbb:198b
157.187.25.140 0:0:0:0:0:ffff:9dbb:198c
157.187.25.141 0:0:0:0:0:ffff:9dbb:198d
157.187.25.142 0:0:0:0:0:ffff:9dbb:198e
157.187.25.143 0:0:0:0:0:ffff:9dbb:198f
157.187.25.144 0:0:0:0:0:ffff:9dbb:1990
157.187.25.145 0:0:0:0:0:ffff:9dbb:1991
157.187.25.146 0:0:0:0:0:ffff:9dbb:1992
157.187.25.147 0:0:0:0:0:ffff:9dbb:1993
157.187.25.148 0:0:0:0:0:ffff:9dbb:1994
157.187.25.149 0:0:0:0:0:ffff:9dbb:1995
157.187.25.150 0:0:0:0:0:ffff:9dbb:1996
157.187.25.151 0:0:0:0:0:ffff:9dbb:1997
157.187.25.152 0:0:0:0:0:ffff:9dbb:1998
157.187.25.153 0:0:0:0:0:ffff:9dbb:1999
157.187.25.154 0:0:0:0:0:ffff:9dbb:199a
157.187.25.155 0:0:0:0:0:ffff:9dbb:199b
157.187.25.156 0:0:0:0:0:ffff:9dbb:199c
157.187.25.157 0:0:0:0:0:ffff:9dbb:199d
157.187.25.158 0:0:0:0:0:ffff:9dbb:199e
157.187.25.159 0:0:0:0:0:ffff:9dbb:199f
157.187.25.160 0:0:0:0:0:ffff:9dbb:19a0
157.187.25.161 0:0:0:0:0:ffff:9dbb:19a1
157.187.25.162 0:0:0:0:0:ffff:9dbb:19a2
157.187.25.163 0:0:0:0:0:ffff:9dbb:19a3
157.187.25.164 0:0:0:0:0:ffff:9dbb:19a4
157.187.25.165 0:0:0:0:0:ffff:9dbb:19a5
157.187.25.166 0:0:0:0:0:ffff:9dbb:19a6
157.187.25.167 0:0:0:0:0:ffff:9dbb:19a7
157.187.25.168 0:0:0:0:0:ffff:9dbb:19a8
157.187.25.169 0:0:0:0:0:ffff:9dbb:19a9
157.187.25.170 0:0:0:0:0:ffff:9dbb:19aa
157.187.25.171 0:0:0:0:0:ffff:9dbb:19ab
157.187.25.172 0:0:0:0:0:ffff:9dbb:19ac
157.187.25.173 0:0:0:0:0:ffff:9dbb:19ad
157.187.25.174 0:0:0:0:0:ffff:9dbb:19ae
157.187.25.175 0:0:0:0:0:ffff:9dbb:19af
157.187.25.176 0:0:0:0:0:ffff:9dbb:19b0
157.187.25.177 0:0:0:0:0:ffff:9dbb:19b1
157.187.25.178 0:0:0:0:0:ffff:9dbb:19b2
157.187.25.179 0:0:0:0:0:ffff:9dbb:19b3
157.187.25.180 0:0:0:0:0:ffff:9dbb:19b4


157.187.25.181 0:0:0:0:0:ffff:9dbb:19b5
157.187.25.182 0:0:0:0:0:ffff:9dbb:19b6
157.187.25.183 0:0:0:0:0:ffff:9dbb:19b7
157.187.25.184 0:0:0:0:0:ffff:9dbb:19b8
157.187.25.185 0:0:0:0:0:ffff:9dbb:19b9
157.187.25.186 0:0:0:0:0:ffff:9dbb:19ba
157.187.25.187 0:0:0:0:0:ffff:9dbb:19bb
157.187.25.188 0:0:0:0:0:ffff:9dbb:19bc
157.187.25.189 0:0:0:0:0:ffff:9dbb:19bd
157.187.25.190 0:0:0:0:0:ffff:9dbb:19be
157.187.25.191 0:0:0:0:0:ffff:9dbb:19bf
157.187.25.192 0:0:0:0:0:ffff:9dbb:19c0
157.187.25.193 0:0:0:0:0:ffff:9dbb:19c1
157.187.25.194 0:0:0:0:0:ffff:9dbb:19c2
157.187.25.195 0:0:0:0:0:ffff:9dbb:19c3
157.187.25.196 0:0:0:0:0:ffff:9dbb:19c4
157.187.25.197 0:0:0:0:0:ffff:9dbb:19c5
157.187.25.198 0:0:0:0:0:ffff:9dbb:19c6
157.187.25.199 0:0:0:0:0:ffff:9dbb:19c7
157.187.25.200 0:0:0:0:0:ffff:9dbb:19c8
157.187.25.201 0:0:0:0:0:ffff:9dbb:19c9
157.187.25.202 0:0:0:0:0:ffff:9dbb:19ca
157.187.25.203 0:0:0:0:0:ffff:9dbb:19cb
157.187.25.204 0:0:0:0:0:ffff:9dbb:19cc
157.187.25.205 0:0:0:0:0:ffff:9dbb:19cd
157.187.25.206 0:0:0:0:0:ffff:9dbb:19ce
157.187.25.207 0:0:0:0:0:ffff:9dbb:19cf
157.187.25.208 0:0:0:0:0:ffff:9dbb:19d0
157.187.25.209 0:0:0:0:0:ffff:9dbb:19d1
157.187.25.210 0:0:0:0:0:ffff:9dbb:19d2
157.187.25.211 0:0:0:0:0:ffff:9dbb:19d3
157.187.25.212 0:0:0:0:0:ffff:9dbb:19d4
157.187.25.213 0:0:0:0:0:ffff:9dbb:19d5
157.187.25.214 0:0:0:0:0:ffff:9dbb:19d6
157.187.25.215 0:0:0:0:0:ffff:9dbb:19d7
157.187.25.216 0:0:0:0:0:ffff:9dbb:19d8
157.187.25.217 0:0:0:0:0:ffff:9dbb:19d9
157.187.25.218 0:0:0:0:0:ffff:9dbb:19da
157.187.25.219 0:0:0:0:0:ffff:9dbb:19db
157.187.25.220 0:0:0:0:0:ffff:9dbb:19dc
157.187.25.221 0:0:0:0:0:ffff:9dbb:19dd
157.187.25.222 0:0:0:0:0:ffff:9dbb:19de
157.187.25.223 0:0:0:0:0:ffff:9dbb:19df
157.187.25.224 0:0:0:0:0:ffff:9dbb:19e0
157.187.25.225 0:0:0:0:0:ffff:9dbb:19e1
157.187.25.226 0:0:0:0:0:ffff:9dbb:19e2
157.187.25.227 0:0:0:0:0:ffff:9dbb:19e3
157.187.25.228 0:0:0:0:0:ffff:9dbb:19e4
157.187.25.229 0:0:0:0:0:ffff:9dbb:19e5
157.187.25.230 0:0:0:0:0:ffff:9dbb:19e6
157.187.25.231 0:0:0:0:0:ffff:9dbb:19e7
157.187.25.232 0:0:0:0:0:ffff:9dbb:19e8
157.187.25.233 0:0:0:0:0:ffff:9dbb:19e9
157.187.25.234 0:0:0:0:0:ffff:9dbb:19ea
157.187.25.235 0:0:0:0:0:ffff:9dbb:19eb
157.187.25.236 0:0:0:0:0:ffff:9dbb:19ec
157.187.25.237 0:0:0:0:0:ffff:9dbb:19ed
157.187.25.238 0:0:0:0:0:ffff:9dbb:19ee
157.187.25.239 0:0:0:0:0:ffff:9dbb:19ef
157.187.25.240 0:0:0:0:0:ffff:9dbb:19f0
157.187.25.241 0:0:0:0:0:ffff:9dbb:19f1
157.187.25.242 0:0:0:0:0:ffff:9dbb:19f2
157.187.25.243 0:0:0:0:0:ffff:9dbb:19f3
157.187.25.244 0:0:0:0:0:ffff:9dbb:19f4
157.187.25.245 0:0:0:0:0:ffff:9dbb:19f5
157.187.25.246 0:0:0:0:0:ffff:9dbb:19f6
157.187.25.247 0:0:0:0:0:ffff:9dbb:19f7
157.187.25.248 0:0:0:0:0:ffff:9dbb:19f8
157.187.25.249 0:0:0:0:0:ffff:9dbb:19f9
157.187.25.250 0:0:0:0:0:ffff:9dbb:19fa
157.187.25.251 0:0:0:0:0:ffff:9dbb:19fb
157.187.25.252 0:0:0:0:0:ffff:9dbb:19fc
157.187.25.253 0:0:0:0:0:ffff:9dbb:19fd
157.187.25.254 0:0:0:0:0:ffff:9dbb:19fe
157.187.25.255 0:0:0:0:0:ffff:9dbb:19ff


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.