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
187.40.32.1 0:0:0:0:0:ffff:bb28:2001
187.40.32.2 0:0:0:0:0:ffff:bb28:2002
187.40.32.3 0:0:0:0:0:ffff:bb28:2003
187.40.32.4 0:0:0:0:0:ffff:bb28:2004
187.40.32.5 0:0:0:0:0:ffff:bb28:2005
187.40.32.6 0:0:0:0:0:ffff:bb28:2006
187.40.32.7 0:0:0:0:0:ffff:bb28:2007
187.40.32.8 0:0:0:0:0:ffff:bb28:2008
187.40.32.9 0:0:0:0:0:ffff:bb28:2009
187.40.32.10 0:0:0:0:0:ffff:bb28:200a
187.40.32.11 0:0:0:0:0:ffff:bb28:200b
187.40.32.12 0:0:0:0:0:ffff:bb28:200c
187.40.32.13 0:0:0:0:0:ffff:bb28:200d
187.40.32.14 0:0:0:0:0:ffff:bb28:200e
187.40.32.15 0:0:0:0:0:ffff:bb28:200f
187.40.32.16 0:0:0:0:0:ffff:bb28:2010
187.40.32.17 0:0:0:0:0:ffff:bb28:2011
187.40.32.18 0:0:0:0:0:ffff:bb28:2012
187.40.32.19 0:0:0:0:0:ffff:bb28:2013
187.40.32.20 0:0:0:0:0:ffff:bb28:2014
187.40.32.21 0:0:0:0:0:ffff:bb28:2015
187.40.32.22 0:0:0:0:0:ffff:bb28:2016
187.40.32.23 0:0:0:0:0:ffff:bb28:2017
187.40.32.24 0:0:0:0:0:ffff:bb28:2018
187.40.32.25 0:0:0:0:0:ffff:bb28:2019
187.40.32.26 0:0:0:0:0:ffff:bb28:201a
187.40.32.27 0:0:0:0:0:ffff:bb28:201b
187.40.32.28 0:0:0:0:0:ffff:bb28:201c
187.40.32.29 0:0:0:0:0:ffff:bb28:201d
187.40.32.30 0:0:0:0:0:ffff:bb28:201e
187.40.32.31 0:0:0:0:0:ffff:bb28:201f
187.40.32.32 0:0:0:0:0:ffff:bb28:2020
187.40.32.33 0:0:0:0:0:ffff:bb28:2021
187.40.32.34 0:0:0:0:0:ffff:bb28:2022
187.40.32.35 0:0:0:0:0:ffff:bb28:2023
187.40.32.36 0:0:0:0:0:ffff:bb28:2024
187.40.32.37 0:0:0:0:0:ffff:bb28:2025
187.40.32.38 0:0:0:0:0:ffff:bb28:2026
187.40.32.39 0:0:0:0:0:ffff:bb28:2027
187.40.32.40 0:0:0:0:0:ffff:bb28:2028
187.40.32.41 0:0:0:0:0:ffff:bb28:2029
187.40.32.42 0:0:0:0:0:ffff:bb28:202a
187.40.32.43 0:0:0:0:0:ffff:bb28:202b
187.40.32.44 0:0:0:0:0:ffff:bb28:202c
187.40.32.45 0:0:0:0:0:ffff:bb28:202d
187.40.32.46 0:0:0:0:0:ffff:bb28:202e
187.40.32.47 0:0:0:0:0:ffff:bb28:202f
187.40.32.48 0:0:0:0:0:ffff:bb28:2030
187.40.32.49 0:0:0:0:0:ffff:bb28:2031
187.40.32.50 0:0:0:0:0:ffff:bb28:2032
187.40.32.51 0:0:0:0:0:ffff:bb28:2033
187.40.32.52 0:0:0:0:0:ffff:bb28:2034
187.40.32.53 0:0:0:0:0:ffff:bb28:2035
187.40.32.54 0:0:0:0:0:ffff:bb28:2036
187.40.32.55 0:0:0:0:0:ffff:bb28:2037
187.40.32.56 0:0:0:0:0:ffff:bb28:2038
187.40.32.57 0:0:0:0:0:ffff:bb28:2039
187.40.32.58 0:0:0:0:0:ffff:bb28:203a
187.40.32.59 0:0:0:0:0:ffff:bb28:203b
187.40.32.60 0:0:0:0:0:ffff:bb28:203c


187.40.32.61 0:0:0:0:0:ffff:bb28:203d
187.40.32.62 0:0:0:0:0:ffff:bb28:203e
187.40.32.63 0:0:0:0:0:ffff:bb28:203f
187.40.32.64 0:0:0:0:0:ffff:bb28:2040
187.40.32.65 0:0:0:0:0:ffff:bb28:2041
187.40.32.66 0:0:0:0:0:ffff:bb28:2042
187.40.32.67 0:0:0:0:0:ffff:bb28:2043
187.40.32.68 0:0:0:0:0:ffff:bb28:2044
187.40.32.69 0:0:0:0:0:ffff:bb28:2045
187.40.32.70 0:0:0:0:0:ffff:bb28:2046
187.40.32.71 0:0:0:0:0:ffff:bb28:2047
187.40.32.72 0:0:0:0:0:ffff:bb28:2048
187.40.32.73 0:0:0:0:0:ffff:bb28:2049
187.40.32.74 0:0:0:0:0:ffff:bb28:204a
187.40.32.75 0:0:0:0:0:ffff:bb28:204b
187.40.32.76 0:0:0:0:0:ffff:bb28:204c
187.40.32.77 0:0:0:0:0:ffff:bb28:204d
187.40.32.78 0:0:0:0:0:ffff:bb28:204e
187.40.32.79 0:0:0:0:0:ffff:bb28:204f
187.40.32.80 0:0:0:0:0:ffff:bb28:2050
187.40.32.81 0:0:0:0:0:ffff:bb28:2051
187.40.32.82 0:0:0:0:0:ffff:bb28:2052
187.40.32.83 0:0:0:0:0:ffff:bb28:2053
187.40.32.84 0:0:0:0:0:ffff:bb28:2054
187.40.32.85 0:0:0:0:0:ffff:bb28:2055
187.40.32.86 0:0:0:0:0:ffff:bb28:2056
187.40.32.87 0:0:0:0:0:ffff:bb28:2057
187.40.32.88 0:0:0:0:0:ffff:bb28:2058
187.40.32.89 0:0:0:0:0:ffff:bb28:2059
187.40.32.90 0:0:0:0:0:ffff:bb28:205a
187.40.32.91 0:0:0:0:0:ffff:bb28:205b
187.40.32.92 0:0:0:0:0:ffff:bb28:205c
187.40.32.93 0:0:0:0:0:ffff:bb28:205d
187.40.32.94 0:0:0:0:0:ffff:bb28:205e
187.40.32.95 0:0:0:0:0:ffff:bb28:205f
187.40.32.96 0:0:0:0:0:ffff:bb28:2060
187.40.32.97 0:0:0:0:0:ffff:bb28:2061
187.40.32.98 0:0:0:0:0:ffff:bb28:2062
187.40.32.99 0:0:0:0:0:ffff:bb28:2063
187.40.32.100 0:0:0:0:0:ffff:bb28:2064
187.40.32.101 0:0:0:0:0:ffff:bb28:2065
187.40.32.102 0:0:0:0:0:ffff:bb28:2066
187.40.32.103 0:0:0:0:0:ffff:bb28:2067
187.40.32.104 0:0:0:0:0:ffff:bb28:2068
187.40.32.105 0:0:0:0:0:ffff:bb28:2069
187.40.32.106 0:0:0:0:0:ffff:bb28:206a
187.40.32.107 0:0:0:0:0:ffff:bb28:206b
187.40.32.108 0:0:0:0:0:ffff:bb28:206c
187.40.32.109 0:0:0:0:0:ffff:bb28:206d
187.40.32.110 0:0:0:0:0:ffff:bb28:206e
187.40.32.111 0:0:0:0:0:ffff:bb28:206f
187.40.32.112 0:0:0:0:0:ffff:bb28:2070
187.40.32.113 0:0:0:0:0:ffff:bb28:2071
187.40.32.114 0:0:0:0:0:ffff:bb28:2072
187.40.32.115 0:0:0:0:0:ffff:bb28:2073
187.40.32.116 0:0:0:0:0:ffff:bb28:2074
187.40.32.117 0:0:0:0:0:ffff:bb28:2075
187.40.32.118 0:0:0:0:0:ffff:bb28:2076
187.40.32.119 0:0:0:0:0:ffff:bb28:2077
187.40.32.120 0:0:0:0:0:ffff:bb28:2078


187.40.32.121 0:0:0:0:0:ffff:bb28:2079
187.40.32.122 0:0:0:0:0:ffff:bb28:207a
187.40.32.123 0:0:0:0:0:ffff:bb28:207b
187.40.32.124 0:0:0:0:0:ffff:bb28:207c
187.40.32.125 0:0:0:0:0:ffff:bb28:207d
187.40.32.126 0:0:0:0:0:ffff:bb28:207e
187.40.32.127 0:0:0:0:0:ffff:bb28:207f
187.40.32.128 0:0:0:0:0:ffff:bb28:2080
187.40.32.129 0:0:0:0:0:ffff:bb28:2081
187.40.32.130 0:0:0:0:0:ffff:bb28:2082
187.40.32.131 0:0:0:0:0:ffff:bb28:2083
187.40.32.132 0:0:0:0:0:ffff:bb28:2084
187.40.32.133 0:0:0:0:0:ffff:bb28:2085
187.40.32.134 0:0:0:0:0:ffff:bb28:2086
187.40.32.135 0:0:0:0:0:ffff:bb28:2087
187.40.32.136 0:0:0:0:0:ffff:bb28:2088
187.40.32.137 0:0:0:0:0:ffff:bb28:2089
187.40.32.138 0:0:0:0:0:ffff:bb28:208a
187.40.32.139 0:0:0:0:0:ffff:bb28:208b
187.40.32.140 0:0:0:0:0:ffff:bb28:208c
187.40.32.141 0:0:0:0:0:ffff:bb28:208d
187.40.32.142 0:0:0:0:0:ffff:bb28:208e
187.40.32.143 0:0:0:0:0:ffff:bb28:208f
187.40.32.144 0:0:0:0:0:ffff:bb28:2090
187.40.32.145 0:0:0:0:0:ffff:bb28:2091
187.40.32.146 0:0:0:0:0:ffff:bb28:2092
187.40.32.147 0:0:0:0:0:ffff:bb28:2093
187.40.32.148 0:0:0:0:0:ffff:bb28:2094
187.40.32.149 0:0:0:0:0:ffff:bb28:2095
187.40.32.150 0:0:0:0:0:ffff:bb28:2096
187.40.32.151 0:0:0:0:0:ffff:bb28:2097
187.40.32.152 0:0:0:0:0:ffff:bb28:2098
187.40.32.153 0:0:0:0:0:ffff:bb28:2099
187.40.32.154 0:0:0:0:0:ffff:bb28:209a
187.40.32.155 0:0:0:0:0:ffff:bb28:209b
187.40.32.156 0:0:0:0:0:ffff:bb28:209c
187.40.32.157 0:0:0:0:0:ffff:bb28:209d
187.40.32.158 0:0:0:0:0:ffff:bb28:209e
187.40.32.159 0:0:0:0:0:ffff:bb28:209f
187.40.32.160 0:0:0:0:0:ffff:bb28:20a0
187.40.32.161 0:0:0:0:0:ffff:bb28:20a1
187.40.32.162 0:0:0:0:0:ffff:bb28:20a2
187.40.32.163 0:0:0:0:0:ffff:bb28:20a3
187.40.32.164 0:0:0:0:0:ffff:bb28:20a4
187.40.32.165 0:0:0:0:0:ffff:bb28:20a5
187.40.32.166 0:0:0:0:0:ffff:bb28:20a6
187.40.32.167 0:0:0:0:0:ffff:bb28:20a7
187.40.32.168 0:0:0:0:0:ffff:bb28:20a8
187.40.32.169 0:0:0:0:0:ffff:bb28:20a9
187.40.32.170 0:0:0:0:0:ffff:bb28:20aa
187.40.32.171 0:0:0:0:0:ffff:bb28:20ab
187.40.32.172 0:0:0:0:0:ffff:bb28:20ac
187.40.32.173 0:0:0:0:0:ffff:bb28:20ad
187.40.32.174 0:0:0:0:0:ffff:bb28:20ae
187.40.32.175 0:0:0:0:0:ffff:bb28:20af
187.40.32.176 0:0:0:0:0:ffff:bb28:20b0
187.40.32.177 0:0:0:0:0:ffff:bb28:20b1
187.40.32.178 0:0:0:0:0:ffff:bb28:20b2
187.40.32.179 0:0:0:0:0:ffff:bb28:20b3
187.40.32.180 0:0:0:0:0:ffff:bb28:20b4


187.40.32.181 0:0:0:0:0:ffff:bb28:20b5
187.40.32.182 0:0:0:0:0:ffff:bb28:20b6
187.40.32.183 0:0:0:0:0:ffff:bb28:20b7
187.40.32.184 0:0:0:0:0:ffff:bb28:20b8
187.40.32.185 0:0:0:0:0:ffff:bb28:20b9
187.40.32.186 0:0:0:0:0:ffff:bb28:20ba
187.40.32.187 0:0:0:0:0:ffff:bb28:20bb
187.40.32.188 0:0:0:0:0:ffff:bb28:20bc
187.40.32.189 0:0:0:0:0:ffff:bb28:20bd
187.40.32.190 0:0:0:0:0:ffff:bb28:20be
187.40.32.191 0:0:0:0:0:ffff:bb28:20bf
187.40.32.192 0:0:0:0:0:ffff:bb28:20c0
187.40.32.193 0:0:0:0:0:ffff:bb28:20c1
187.40.32.194 0:0:0:0:0:ffff:bb28:20c2
187.40.32.195 0:0:0:0:0:ffff:bb28:20c3
187.40.32.196 0:0:0:0:0:ffff:bb28:20c4
187.40.32.197 0:0:0:0:0:ffff:bb28:20c5
187.40.32.198 0:0:0:0:0:ffff:bb28:20c6
187.40.32.199 0:0:0:0:0:ffff:bb28:20c7
187.40.32.200 0:0:0:0:0:ffff:bb28:20c8
187.40.32.201 0:0:0:0:0:ffff:bb28:20c9
187.40.32.202 0:0:0:0:0:ffff:bb28:20ca
187.40.32.203 0:0:0:0:0:ffff:bb28:20cb
187.40.32.204 0:0:0:0:0:ffff:bb28:20cc
187.40.32.205 0:0:0:0:0:ffff:bb28:20cd
187.40.32.206 0:0:0:0:0:ffff:bb28:20ce
187.40.32.207 0:0:0:0:0:ffff:bb28:20cf
187.40.32.208 0:0:0:0:0:ffff:bb28:20d0
187.40.32.209 0:0:0:0:0:ffff:bb28:20d1
187.40.32.210 0:0:0:0:0:ffff:bb28:20d2
187.40.32.211 0:0:0:0:0:ffff:bb28:20d3
187.40.32.212 0:0:0:0:0:ffff:bb28:20d4
187.40.32.213 0:0:0:0:0:ffff:bb28:20d5
187.40.32.214 0:0:0:0:0:ffff:bb28:20d6
187.40.32.215 0:0:0:0:0:ffff:bb28:20d7
187.40.32.216 0:0:0:0:0:ffff:bb28:20d8
187.40.32.217 0:0:0:0:0:ffff:bb28:20d9
187.40.32.218 0:0:0:0:0:ffff:bb28:20da
187.40.32.219 0:0:0:0:0:ffff:bb28:20db
187.40.32.220 0:0:0:0:0:ffff:bb28:20dc
187.40.32.221 0:0:0:0:0:ffff:bb28:20dd
187.40.32.222 0:0:0:0:0:ffff:bb28:20de
187.40.32.223 0:0:0:0:0:ffff:bb28:20df
187.40.32.224 0:0:0:0:0:ffff:bb28:20e0
187.40.32.225 0:0:0:0:0:ffff:bb28:20e1
187.40.32.226 0:0:0:0:0:ffff:bb28:20e2
187.40.32.227 0:0:0:0:0:ffff:bb28:20e3
187.40.32.228 0:0:0:0:0:ffff:bb28:20e4
187.40.32.229 0:0:0:0:0:ffff:bb28:20e5
187.40.32.230 0:0:0:0:0:ffff:bb28:20e6
187.40.32.231 0:0:0:0:0:ffff:bb28:20e7
187.40.32.232 0:0:0:0:0:ffff:bb28:20e8
187.40.32.233 0:0:0:0:0:ffff:bb28:20e9
187.40.32.234 0:0:0:0:0:ffff:bb28:20ea
187.40.32.235 0:0:0:0:0:ffff:bb28:20eb
187.40.32.236 0:0:0:0:0:ffff:bb28:20ec
187.40.32.237 0:0:0:0:0:ffff:bb28:20ed
187.40.32.238 0:0:0:0:0:ffff:bb28:20ee
187.40.32.239 0:0:0:0:0:ffff:bb28:20ef
187.40.32.240 0:0:0:0:0:ffff:bb28:20f0
187.40.32.241 0:0:0:0:0:ffff:bb28:20f1
187.40.32.242 0:0:0:0:0:ffff:bb28:20f2
187.40.32.243 0:0:0:0:0:ffff:bb28:20f3
187.40.32.244 0:0:0:0:0:ffff:bb28:20f4
187.40.32.245 0:0:0:0:0:ffff:bb28:20f5
187.40.32.246 0:0:0:0:0:ffff:bb28:20f6
187.40.32.247 0:0:0:0:0:ffff:bb28:20f7
187.40.32.248 0:0:0:0:0:ffff:bb28:20f8
187.40.32.249 0:0:0:0:0:ffff:bb28:20f9
187.40.32.250 0:0:0:0:0:ffff:bb28:20fa
187.40.32.251 0:0:0:0:0:ffff:bb28:20fb
187.40.32.252 0:0:0:0:0:ffff:bb28:20fc
187.40.32.253 0:0:0:0:0:ffff:bb28:20fd
187.40.32.254 0:0:0:0:0:ffff:bb28:20fe
187.40.32.255 0:0:0:0:0:ffff:bb28:20ff


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.