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
40.168.238.1 0:0:0:0:0:ffff:28a8:ee01
40.168.238.2 0:0:0:0:0:ffff:28a8:ee02
40.168.238.3 0:0:0:0:0:ffff:28a8:ee03
40.168.238.4 0:0:0:0:0:ffff:28a8:ee04
40.168.238.5 0:0:0:0:0:ffff:28a8:ee05
40.168.238.6 0:0:0:0:0:ffff:28a8:ee06
40.168.238.7 0:0:0:0:0:ffff:28a8:ee07
40.168.238.8 0:0:0:0:0:ffff:28a8:ee08
40.168.238.9 0:0:0:0:0:ffff:28a8:ee09
40.168.238.10 0:0:0:0:0:ffff:28a8:ee0a
40.168.238.11 0:0:0:0:0:ffff:28a8:ee0b
40.168.238.12 0:0:0:0:0:ffff:28a8:ee0c
40.168.238.13 0:0:0:0:0:ffff:28a8:ee0d
40.168.238.14 0:0:0:0:0:ffff:28a8:ee0e
40.168.238.15 0:0:0:0:0:ffff:28a8:ee0f
40.168.238.16 0:0:0:0:0:ffff:28a8:ee10
40.168.238.17 0:0:0:0:0:ffff:28a8:ee11
40.168.238.18 0:0:0:0:0:ffff:28a8:ee12
40.168.238.19 0:0:0:0:0:ffff:28a8:ee13
40.168.238.20 0:0:0:0:0:ffff:28a8:ee14
40.168.238.21 0:0:0:0:0:ffff:28a8:ee15
40.168.238.22 0:0:0:0:0:ffff:28a8:ee16
40.168.238.23 0:0:0:0:0:ffff:28a8:ee17
40.168.238.24 0:0:0:0:0:ffff:28a8:ee18
40.168.238.25 0:0:0:0:0:ffff:28a8:ee19
40.168.238.26 0:0:0:0:0:ffff:28a8:ee1a
40.168.238.27 0:0:0:0:0:ffff:28a8:ee1b
40.168.238.28 0:0:0:0:0:ffff:28a8:ee1c
40.168.238.29 0:0:0:0:0:ffff:28a8:ee1d
40.168.238.30 0:0:0:0:0:ffff:28a8:ee1e
40.168.238.31 0:0:0:0:0:ffff:28a8:ee1f
40.168.238.32 0:0:0:0:0:ffff:28a8:ee20
40.168.238.33 0:0:0:0:0:ffff:28a8:ee21
40.168.238.34 0:0:0:0:0:ffff:28a8:ee22
40.168.238.35 0:0:0:0:0:ffff:28a8:ee23
40.168.238.36 0:0:0:0:0:ffff:28a8:ee24
40.168.238.37 0:0:0:0:0:ffff:28a8:ee25
40.168.238.38 0:0:0:0:0:ffff:28a8:ee26
40.168.238.39 0:0:0:0:0:ffff:28a8:ee27
40.168.238.40 0:0:0:0:0:ffff:28a8:ee28
40.168.238.41 0:0:0:0:0:ffff:28a8:ee29
40.168.238.42 0:0:0:0:0:ffff:28a8:ee2a
40.168.238.43 0:0:0:0:0:ffff:28a8:ee2b
40.168.238.44 0:0:0:0:0:ffff:28a8:ee2c
40.168.238.45 0:0:0:0:0:ffff:28a8:ee2d
40.168.238.46 0:0:0:0:0:ffff:28a8:ee2e
40.168.238.47 0:0:0:0:0:ffff:28a8:ee2f
40.168.238.48 0:0:0:0:0:ffff:28a8:ee30
40.168.238.49 0:0:0:0:0:ffff:28a8:ee31
40.168.238.50 0:0:0:0:0:ffff:28a8:ee32
40.168.238.51 0:0:0:0:0:ffff:28a8:ee33
40.168.238.52 0:0:0:0:0:ffff:28a8:ee34
40.168.238.53 0:0:0:0:0:ffff:28a8:ee35
40.168.238.54 0:0:0:0:0:ffff:28a8:ee36
40.168.238.55 0:0:0:0:0:ffff:28a8:ee37
40.168.238.56 0:0:0:0:0:ffff:28a8:ee38
40.168.238.57 0:0:0:0:0:ffff:28a8:ee39
40.168.238.58 0:0:0:0:0:ffff:28a8:ee3a
40.168.238.59 0:0:0:0:0:ffff:28a8:ee3b
40.168.238.60 0:0:0:0:0:ffff:28a8:ee3c


40.168.238.61 0:0:0:0:0:ffff:28a8:ee3d
40.168.238.62 0:0:0:0:0:ffff:28a8:ee3e
40.168.238.63 0:0:0:0:0:ffff:28a8:ee3f
40.168.238.64 0:0:0:0:0:ffff:28a8:ee40
40.168.238.65 0:0:0:0:0:ffff:28a8:ee41
40.168.238.66 0:0:0:0:0:ffff:28a8:ee42
40.168.238.67 0:0:0:0:0:ffff:28a8:ee43
40.168.238.68 0:0:0:0:0:ffff:28a8:ee44
40.168.238.69 0:0:0:0:0:ffff:28a8:ee45
40.168.238.70 0:0:0:0:0:ffff:28a8:ee46
40.168.238.71 0:0:0:0:0:ffff:28a8:ee47
40.168.238.72 0:0:0:0:0:ffff:28a8:ee48
40.168.238.73 0:0:0:0:0:ffff:28a8:ee49
40.168.238.74 0:0:0:0:0:ffff:28a8:ee4a
40.168.238.75 0:0:0:0:0:ffff:28a8:ee4b
40.168.238.76 0:0:0:0:0:ffff:28a8:ee4c
40.168.238.77 0:0:0:0:0:ffff:28a8:ee4d
40.168.238.78 0:0:0:0:0:ffff:28a8:ee4e
40.168.238.79 0:0:0:0:0:ffff:28a8:ee4f
40.168.238.80 0:0:0:0:0:ffff:28a8:ee50
40.168.238.81 0:0:0:0:0:ffff:28a8:ee51
40.168.238.82 0:0:0:0:0:ffff:28a8:ee52
40.168.238.83 0:0:0:0:0:ffff:28a8:ee53
40.168.238.84 0:0:0:0:0:ffff:28a8:ee54
40.168.238.85 0:0:0:0:0:ffff:28a8:ee55
40.168.238.86 0:0:0:0:0:ffff:28a8:ee56
40.168.238.87 0:0:0:0:0:ffff:28a8:ee57
40.168.238.88 0:0:0:0:0:ffff:28a8:ee58
40.168.238.89 0:0:0:0:0:ffff:28a8:ee59
40.168.238.90 0:0:0:0:0:ffff:28a8:ee5a
40.168.238.91 0:0:0:0:0:ffff:28a8:ee5b
40.168.238.92 0:0:0:0:0:ffff:28a8:ee5c
40.168.238.93 0:0:0:0:0:ffff:28a8:ee5d
40.168.238.94 0:0:0:0:0:ffff:28a8:ee5e
40.168.238.95 0:0:0:0:0:ffff:28a8:ee5f
40.168.238.96 0:0:0:0:0:ffff:28a8:ee60
40.168.238.97 0:0:0:0:0:ffff:28a8:ee61
40.168.238.98 0:0:0:0:0:ffff:28a8:ee62
40.168.238.99 0:0:0:0:0:ffff:28a8:ee63
40.168.238.100 0:0:0:0:0:ffff:28a8:ee64
40.168.238.101 0:0:0:0:0:ffff:28a8:ee65
40.168.238.102 0:0:0:0:0:ffff:28a8:ee66
40.168.238.103 0:0:0:0:0:ffff:28a8:ee67
40.168.238.104 0:0:0:0:0:ffff:28a8:ee68
40.168.238.105 0:0:0:0:0:ffff:28a8:ee69
40.168.238.106 0:0:0:0:0:ffff:28a8:ee6a
40.168.238.107 0:0:0:0:0:ffff:28a8:ee6b
40.168.238.108 0:0:0:0:0:ffff:28a8:ee6c
40.168.238.109 0:0:0:0:0:ffff:28a8:ee6d
40.168.238.110 0:0:0:0:0:ffff:28a8:ee6e
40.168.238.111 0:0:0:0:0:ffff:28a8:ee6f
40.168.238.112 0:0:0:0:0:ffff:28a8:ee70
40.168.238.113 0:0:0:0:0:ffff:28a8:ee71
40.168.238.114 0:0:0:0:0:ffff:28a8:ee72
40.168.238.115 0:0:0:0:0:ffff:28a8:ee73
40.168.238.116 0:0:0:0:0:ffff:28a8:ee74
40.168.238.117 0:0:0:0:0:ffff:28a8:ee75
40.168.238.118 0:0:0:0:0:ffff:28a8:ee76
40.168.238.119 0:0:0:0:0:ffff:28a8:ee77
40.168.238.120 0:0:0:0:0:ffff:28a8:ee78


40.168.238.121 0:0:0:0:0:ffff:28a8:ee79
40.168.238.122 0:0:0:0:0:ffff:28a8:ee7a
40.168.238.123 0:0:0:0:0:ffff:28a8:ee7b
40.168.238.124 0:0:0:0:0:ffff:28a8:ee7c
40.168.238.125 0:0:0:0:0:ffff:28a8:ee7d
40.168.238.126 0:0:0:0:0:ffff:28a8:ee7e
40.168.238.127 0:0:0:0:0:ffff:28a8:ee7f
40.168.238.128 0:0:0:0:0:ffff:28a8:ee80
40.168.238.129 0:0:0:0:0:ffff:28a8:ee81
40.168.238.130 0:0:0:0:0:ffff:28a8:ee82
40.168.238.131 0:0:0:0:0:ffff:28a8:ee83
40.168.238.132 0:0:0:0:0:ffff:28a8:ee84
40.168.238.133 0:0:0:0:0:ffff:28a8:ee85
40.168.238.134 0:0:0:0:0:ffff:28a8:ee86
40.168.238.135 0:0:0:0:0:ffff:28a8:ee87
40.168.238.136 0:0:0:0:0:ffff:28a8:ee88
40.168.238.137 0:0:0:0:0:ffff:28a8:ee89
40.168.238.138 0:0:0:0:0:ffff:28a8:ee8a
40.168.238.139 0:0:0:0:0:ffff:28a8:ee8b
40.168.238.140 0:0:0:0:0:ffff:28a8:ee8c
40.168.238.141 0:0:0:0:0:ffff:28a8:ee8d
40.168.238.142 0:0:0:0:0:ffff:28a8:ee8e
40.168.238.143 0:0:0:0:0:ffff:28a8:ee8f
40.168.238.144 0:0:0:0:0:ffff:28a8:ee90
40.168.238.145 0:0:0:0:0:ffff:28a8:ee91
40.168.238.146 0:0:0:0:0:ffff:28a8:ee92
40.168.238.147 0:0:0:0:0:ffff:28a8:ee93
40.168.238.148 0:0:0:0:0:ffff:28a8:ee94
40.168.238.149 0:0:0:0:0:ffff:28a8:ee95
40.168.238.150 0:0:0:0:0:ffff:28a8:ee96
40.168.238.151 0:0:0:0:0:ffff:28a8:ee97
40.168.238.152 0:0:0:0:0:ffff:28a8:ee98
40.168.238.153 0:0:0:0:0:ffff:28a8:ee99
40.168.238.154 0:0:0:0:0:ffff:28a8:ee9a
40.168.238.155 0:0:0:0:0:ffff:28a8:ee9b
40.168.238.156 0:0:0:0:0:ffff:28a8:ee9c
40.168.238.157 0:0:0:0:0:ffff:28a8:ee9d
40.168.238.158 0:0:0:0:0:ffff:28a8:ee9e
40.168.238.159 0:0:0:0:0:ffff:28a8:ee9f
40.168.238.160 0:0:0:0:0:ffff:28a8:eea0
40.168.238.161 0:0:0:0:0:ffff:28a8:eea1
40.168.238.162 0:0:0:0:0:ffff:28a8:eea2
40.168.238.163 0:0:0:0:0:ffff:28a8:eea3
40.168.238.164 0:0:0:0:0:ffff:28a8:eea4
40.168.238.165 0:0:0:0:0:ffff:28a8:eea5
40.168.238.166 0:0:0:0:0:ffff:28a8:eea6
40.168.238.167 0:0:0:0:0:ffff:28a8:eea7
40.168.238.168 0:0:0:0:0:ffff:28a8:eea8
40.168.238.169 0:0:0:0:0:ffff:28a8:eea9
40.168.238.170 0:0:0:0:0:ffff:28a8:eeaa
40.168.238.171 0:0:0:0:0:ffff:28a8:eeab
40.168.238.172 0:0:0:0:0:ffff:28a8:eeac
40.168.238.173 0:0:0:0:0:ffff:28a8:eead
40.168.238.174 0:0:0:0:0:ffff:28a8:eeae
40.168.238.175 0:0:0:0:0:ffff:28a8:eeaf
40.168.238.176 0:0:0:0:0:ffff:28a8:eeb0
40.168.238.177 0:0:0:0:0:ffff:28a8:eeb1
40.168.238.178 0:0:0:0:0:ffff:28a8:eeb2
40.168.238.179 0:0:0:0:0:ffff:28a8:eeb3
40.168.238.180 0:0:0:0:0:ffff:28a8:eeb4


40.168.238.181 0:0:0:0:0:ffff:28a8:eeb5
40.168.238.182 0:0:0:0:0:ffff:28a8:eeb6
40.168.238.183 0:0:0:0:0:ffff:28a8:eeb7
40.168.238.184 0:0:0:0:0:ffff:28a8:eeb8
40.168.238.185 0:0:0:0:0:ffff:28a8:eeb9
40.168.238.186 0:0:0:0:0:ffff:28a8:eeba
40.168.238.187 0:0:0:0:0:ffff:28a8:eebb
40.168.238.188 0:0:0:0:0:ffff:28a8:eebc
40.168.238.189 0:0:0:0:0:ffff:28a8:eebd
40.168.238.190 0:0:0:0:0:ffff:28a8:eebe
40.168.238.191 0:0:0:0:0:ffff:28a8:eebf
40.168.238.192 0:0:0:0:0:ffff:28a8:eec0
40.168.238.193 0:0:0:0:0:ffff:28a8:eec1
40.168.238.194 0:0:0:0:0:ffff:28a8:eec2
40.168.238.195 0:0:0:0:0:ffff:28a8:eec3
40.168.238.196 0:0:0:0:0:ffff:28a8:eec4
40.168.238.197 0:0:0:0:0:ffff:28a8:eec5
40.168.238.198 0:0:0:0:0:ffff:28a8:eec6
40.168.238.199 0:0:0:0:0:ffff:28a8:eec7
40.168.238.200 0:0:0:0:0:ffff:28a8:eec8
40.168.238.201 0:0:0:0:0:ffff:28a8:eec9
40.168.238.202 0:0:0:0:0:ffff:28a8:eeca
40.168.238.203 0:0:0:0:0:ffff:28a8:eecb
40.168.238.204 0:0:0:0:0:ffff:28a8:eecc
40.168.238.205 0:0:0:0:0:ffff:28a8:eecd
40.168.238.206 0:0:0:0:0:ffff:28a8:eece
40.168.238.207 0:0:0:0:0:ffff:28a8:eecf
40.168.238.208 0:0:0:0:0:ffff:28a8:eed0
40.168.238.209 0:0:0:0:0:ffff:28a8:eed1
40.168.238.210 0:0:0:0:0:ffff:28a8:eed2
40.168.238.211 0:0:0:0:0:ffff:28a8:eed3
40.168.238.212 0:0:0:0:0:ffff:28a8:eed4
40.168.238.213 0:0:0:0:0:ffff:28a8:eed5
40.168.238.214 0:0:0:0:0:ffff:28a8:eed6
40.168.238.215 0:0:0:0:0:ffff:28a8:eed7
40.168.238.216 0:0:0:0:0:ffff:28a8:eed8
40.168.238.217 0:0:0:0:0:ffff:28a8:eed9
40.168.238.218 0:0:0:0:0:ffff:28a8:eeda
40.168.238.219 0:0:0:0:0:ffff:28a8:eedb
40.168.238.220 0:0:0:0:0:ffff:28a8:eedc
40.168.238.221 0:0:0:0:0:ffff:28a8:eedd
40.168.238.222 0:0:0:0:0:ffff:28a8:eede
40.168.238.223 0:0:0:0:0:ffff:28a8:eedf
40.168.238.224 0:0:0:0:0:ffff:28a8:eee0
40.168.238.225 0:0:0:0:0:ffff:28a8:eee1
40.168.238.226 0:0:0:0:0:ffff:28a8:eee2
40.168.238.227 0:0:0:0:0:ffff:28a8:eee3
40.168.238.228 0:0:0:0:0:ffff:28a8:eee4
40.168.238.229 0:0:0:0:0:ffff:28a8:eee5
40.168.238.230 0:0:0:0:0:ffff:28a8:eee6
40.168.238.231 0:0:0:0:0:ffff:28a8:eee7
40.168.238.232 0:0:0:0:0:ffff:28a8:eee8
40.168.238.233 0:0:0:0:0:ffff:28a8:eee9
40.168.238.234 0:0:0:0:0:ffff:28a8:eeea
40.168.238.235 0:0:0:0:0:ffff:28a8:eeeb
40.168.238.236 0:0:0:0:0:ffff:28a8:eeec
40.168.238.237 0:0:0:0:0:ffff:28a8:eeed
40.168.238.238 0:0:0:0:0:ffff:28a8:eeee
40.168.238.239 0:0:0:0:0:ffff:28a8:eeef
40.168.238.240 0:0:0:0:0:ffff:28a8:eef0
40.168.238.241 0:0:0:0:0:ffff:28a8:eef1
40.168.238.242 0:0:0:0:0:ffff:28a8:eef2
40.168.238.243 0:0:0:0:0:ffff:28a8:eef3
40.168.238.244 0:0:0:0:0:ffff:28a8:eef4
40.168.238.245 0:0:0:0:0:ffff:28a8:eef5
40.168.238.246 0:0:0:0:0:ffff:28a8:eef6
40.168.238.247 0:0:0:0:0:ffff:28a8:eef7
40.168.238.248 0:0:0:0:0:ffff:28a8:eef8
40.168.238.249 0:0:0:0:0:ffff:28a8:eef9
40.168.238.250 0:0:0:0:0:ffff:28a8:eefa
40.168.238.251 0:0:0:0:0:ffff:28a8:eefb
40.168.238.252 0:0:0:0:0:ffff:28a8:eefc
40.168.238.253 0:0:0:0:0:ffff:28a8:eefd
40.168.238.254 0:0:0:0:0:ffff:28a8:eefe
40.168.238.255 0:0:0:0:0:ffff:28a8:eeff


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.