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
123.105.238.1 0:0:0:0:0:ffff:7b69:ee01
123.105.238.2 0:0:0:0:0:ffff:7b69:ee02
123.105.238.3 0:0:0:0:0:ffff:7b69:ee03
123.105.238.4 0:0:0:0:0:ffff:7b69:ee04
123.105.238.5 0:0:0:0:0:ffff:7b69:ee05
123.105.238.6 0:0:0:0:0:ffff:7b69:ee06
123.105.238.7 0:0:0:0:0:ffff:7b69:ee07
123.105.238.8 0:0:0:0:0:ffff:7b69:ee08
123.105.238.9 0:0:0:0:0:ffff:7b69:ee09
123.105.238.10 0:0:0:0:0:ffff:7b69:ee0a
123.105.238.11 0:0:0:0:0:ffff:7b69:ee0b
123.105.238.12 0:0:0:0:0:ffff:7b69:ee0c
123.105.238.13 0:0:0:0:0:ffff:7b69:ee0d
123.105.238.14 0:0:0:0:0:ffff:7b69:ee0e
123.105.238.15 0:0:0:0:0:ffff:7b69:ee0f
123.105.238.16 0:0:0:0:0:ffff:7b69:ee10
123.105.238.17 0:0:0:0:0:ffff:7b69:ee11
123.105.238.18 0:0:0:0:0:ffff:7b69:ee12
123.105.238.19 0:0:0:0:0:ffff:7b69:ee13
123.105.238.20 0:0:0:0:0:ffff:7b69:ee14
123.105.238.21 0:0:0:0:0:ffff:7b69:ee15
123.105.238.22 0:0:0:0:0:ffff:7b69:ee16
123.105.238.23 0:0:0:0:0:ffff:7b69:ee17
123.105.238.24 0:0:0:0:0:ffff:7b69:ee18
123.105.238.25 0:0:0:0:0:ffff:7b69:ee19
123.105.238.26 0:0:0:0:0:ffff:7b69:ee1a
123.105.238.27 0:0:0:0:0:ffff:7b69:ee1b
123.105.238.28 0:0:0:0:0:ffff:7b69:ee1c
123.105.238.29 0:0:0:0:0:ffff:7b69:ee1d
123.105.238.30 0:0:0:0:0:ffff:7b69:ee1e
123.105.238.31 0:0:0:0:0:ffff:7b69:ee1f
123.105.238.32 0:0:0:0:0:ffff:7b69:ee20
123.105.238.33 0:0:0:0:0:ffff:7b69:ee21
123.105.238.34 0:0:0:0:0:ffff:7b69:ee22
123.105.238.35 0:0:0:0:0:ffff:7b69:ee23
123.105.238.36 0:0:0:0:0:ffff:7b69:ee24
123.105.238.37 0:0:0:0:0:ffff:7b69:ee25
123.105.238.38 0:0:0:0:0:ffff:7b69:ee26
123.105.238.39 0:0:0:0:0:ffff:7b69:ee27
123.105.238.40 0:0:0:0:0:ffff:7b69:ee28
123.105.238.41 0:0:0:0:0:ffff:7b69:ee29
123.105.238.42 0:0:0:0:0:ffff:7b69:ee2a
123.105.238.43 0:0:0:0:0:ffff:7b69:ee2b
123.105.238.44 0:0:0:0:0:ffff:7b69:ee2c
123.105.238.45 0:0:0:0:0:ffff:7b69:ee2d
123.105.238.46 0:0:0:0:0:ffff:7b69:ee2e
123.105.238.47 0:0:0:0:0:ffff:7b69:ee2f
123.105.238.48 0:0:0:0:0:ffff:7b69:ee30
123.105.238.49 0:0:0:0:0:ffff:7b69:ee31
123.105.238.50 0:0:0:0:0:ffff:7b69:ee32
123.105.238.51 0:0:0:0:0:ffff:7b69:ee33
123.105.238.52 0:0:0:0:0:ffff:7b69:ee34
123.105.238.53 0:0:0:0:0:ffff:7b69:ee35
123.105.238.54 0:0:0:0:0:ffff:7b69:ee36
123.105.238.55 0:0:0:0:0:ffff:7b69:ee37
123.105.238.56 0:0:0:0:0:ffff:7b69:ee38
123.105.238.57 0:0:0:0:0:ffff:7b69:ee39
123.105.238.58 0:0:0:0:0:ffff:7b69:ee3a
123.105.238.59 0:0:0:0:0:ffff:7b69:ee3b
123.105.238.60 0:0:0:0:0:ffff:7b69:ee3c


123.105.238.61 0:0:0:0:0:ffff:7b69:ee3d
123.105.238.62 0:0:0:0:0:ffff:7b69:ee3e
123.105.238.63 0:0:0:0:0:ffff:7b69:ee3f
123.105.238.64 0:0:0:0:0:ffff:7b69:ee40
123.105.238.65 0:0:0:0:0:ffff:7b69:ee41
123.105.238.66 0:0:0:0:0:ffff:7b69:ee42
123.105.238.67 0:0:0:0:0:ffff:7b69:ee43
123.105.238.68 0:0:0:0:0:ffff:7b69:ee44
123.105.238.69 0:0:0:0:0:ffff:7b69:ee45
123.105.238.70 0:0:0:0:0:ffff:7b69:ee46
123.105.238.71 0:0:0:0:0:ffff:7b69:ee47
123.105.238.72 0:0:0:0:0:ffff:7b69:ee48
123.105.238.73 0:0:0:0:0:ffff:7b69:ee49
123.105.238.74 0:0:0:0:0:ffff:7b69:ee4a
123.105.238.75 0:0:0:0:0:ffff:7b69:ee4b
123.105.238.76 0:0:0:0:0:ffff:7b69:ee4c
123.105.238.77 0:0:0:0:0:ffff:7b69:ee4d
123.105.238.78 0:0:0:0:0:ffff:7b69:ee4e
123.105.238.79 0:0:0:0:0:ffff:7b69:ee4f
123.105.238.80 0:0:0:0:0:ffff:7b69:ee50
123.105.238.81 0:0:0:0:0:ffff:7b69:ee51
123.105.238.82 0:0:0:0:0:ffff:7b69:ee52
123.105.238.83 0:0:0:0:0:ffff:7b69:ee53
123.105.238.84 0:0:0:0:0:ffff:7b69:ee54
123.105.238.85 0:0:0:0:0:ffff:7b69:ee55
123.105.238.86 0:0:0:0:0:ffff:7b69:ee56
123.105.238.87 0:0:0:0:0:ffff:7b69:ee57
123.105.238.88 0:0:0:0:0:ffff:7b69:ee58
123.105.238.89 0:0:0:0:0:ffff:7b69:ee59
123.105.238.90 0:0:0:0:0:ffff:7b69:ee5a
123.105.238.91 0:0:0:0:0:ffff:7b69:ee5b
123.105.238.92 0:0:0:0:0:ffff:7b69:ee5c
123.105.238.93 0:0:0:0:0:ffff:7b69:ee5d
123.105.238.94 0:0:0:0:0:ffff:7b69:ee5e
123.105.238.95 0:0:0:0:0:ffff:7b69:ee5f
123.105.238.96 0:0:0:0:0:ffff:7b69:ee60
123.105.238.97 0:0:0:0:0:ffff:7b69:ee61
123.105.238.98 0:0:0:0:0:ffff:7b69:ee62
123.105.238.99 0:0:0:0:0:ffff:7b69:ee63
123.105.238.100 0:0:0:0:0:ffff:7b69:ee64
123.105.238.101 0:0:0:0:0:ffff:7b69:ee65
123.105.238.102 0:0:0:0:0:ffff:7b69:ee66
123.105.238.103 0:0:0:0:0:ffff:7b69:ee67
123.105.238.104 0:0:0:0:0:ffff:7b69:ee68
123.105.238.105 0:0:0:0:0:ffff:7b69:ee69
123.105.238.106 0:0:0:0:0:ffff:7b69:ee6a
123.105.238.107 0:0:0:0:0:ffff:7b69:ee6b
123.105.238.108 0:0:0:0:0:ffff:7b69:ee6c
123.105.238.109 0:0:0:0:0:ffff:7b69:ee6d
123.105.238.110 0:0:0:0:0:ffff:7b69:ee6e
123.105.238.111 0:0:0:0:0:ffff:7b69:ee6f
123.105.238.112 0:0:0:0:0:ffff:7b69:ee70
123.105.238.113 0:0:0:0:0:ffff:7b69:ee71
123.105.238.114 0:0:0:0:0:ffff:7b69:ee72
123.105.238.115 0:0:0:0:0:ffff:7b69:ee73
123.105.238.116 0:0:0:0:0:ffff:7b69:ee74
123.105.238.117 0:0:0:0:0:ffff:7b69:ee75
123.105.238.118 0:0:0:0:0:ffff:7b69:ee76
123.105.238.119 0:0:0:0:0:ffff:7b69:ee77
123.105.238.120 0:0:0:0:0:ffff:7b69:ee78


123.105.238.121 0:0:0:0:0:ffff:7b69:ee79
123.105.238.122 0:0:0:0:0:ffff:7b69:ee7a
123.105.238.123 0:0:0:0:0:ffff:7b69:ee7b
123.105.238.124 0:0:0:0:0:ffff:7b69:ee7c
123.105.238.125 0:0:0:0:0:ffff:7b69:ee7d
123.105.238.126 0:0:0:0:0:ffff:7b69:ee7e
123.105.238.127 0:0:0:0:0:ffff:7b69:ee7f
123.105.238.128 0:0:0:0:0:ffff:7b69:ee80
123.105.238.129 0:0:0:0:0:ffff:7b69:ee81
123.105.238.130 0:0:0:0:0:ffff:7b69:ee82
123.105.238.131 0:0:0:0:0:ffff:7b69:ee83
123.105.238.132 0:0:0:0:0:ffff:7b69:ee84
123.105.238.133 0:0:0:0:0:ffff:7b69:ee85
123.105.238.134 0:0:0:0:0:ffff:7b69:ee86
123.105.238.135 0:0:0:0:0:ffff:7b69:ee87
123.105.238.136 0:0:0:0:0:ffff:7b69:ee88
123.105.238.137 0:0:0:0:0:ffff:7b69:ee89
123.105.238.138 0:0:0:0:0:ffff:7b69:ee8a
123.105.238.139 0:0:0:0:0:ffff:7b69:ee8b
123.105.238.140 0:0:0:0:0:ffff:7b69:ee8c
123.105.238.141 0:0:0:0:0:ffff:7b69:ee8d
123.105.238.142 0:0:0:0:0:ffff:7b69:ee8e
123.105.238.143 0:0:0:0:0:ffff:7b69:ee8f
123.105.238.144 0:0:0:0:0:ffff:7b69:ee90
123.105.238.145 0:0:0:0:0:ffff:7b69:ee91
123.105.238.146 0:0:0:0:0:ffff:7b69:ee92
123.105.238.147 0:0:0:0:0:ffff:7b69:ee93
123.105.238.148 0:0:0:0:0:ffff:7b69:ee94
123.105.238.149 0:0:0:0:0:ffff:7b69:ee95
123.105.238.150 0:0:0:0:0:ffff:7b69:ee96
123.105.238.151 0:0:0:0:0:ffff:7b69:ee97
123.105.238.152 0:0:0:0:0:ffff:7b69:ee98
123.105.238.153 0:0:0:0:0:ffff:7b69:ee99
123.105.238.154 0:0:0:0:0:ffff:7b69:ee9a
123.105.238.155 0:0:0:0:0:ffff:7b69:ee9b
123.105.238.156 0:0:0:0:0:ffff:7b69:ee9c
123.105.238.157 0:0:0:0:0:ffff:7b69:ee9d
123.105.238.158 0:0:0:0:0:ffff:7b69:ee9e
123.105.238.159 0:0:0:0:0:ffff:7b69:ee9f
123.105.238.160 0:0:0:0:0:ffff:7b69:eea0
123.105.238.161 0:0:0:0:0:ffff:7b69:eea1
123.105.238.162 0:0:0:0:0:ffff:7b69:eea2
123.105.238.163 0:0:0:0:0:ffff:7b69:eea3
123.105.238.164 0:0:0:0:0:ffff:7b69:eea4
123.105.238.165 0:0:0:0:0:ffff:7b69:eea5
123.105.238.166 0:0:0:0:0:ffff:7b69:eea6
123.105.238.167 0:0:0:0:0:ffff:7b69:eea7
123.105.238.168 0:0:0:0:0:ffff:7b69:eea8
123.105.238.169 0:0:0:0:0:ffff:7b69:eea9
123.105.238.170 0:0:0:0:0:ffff:7b69:eeaa
123.105.238.171 0:0:0:0:0:ffff:7b69:eeab
123.105.238.172 0:0:0:0:0:ffff:7b69:eeac
123.105.238.173 0:0:0:0:0:ffff:7b69:eead
123.105.238.174 0:0:0:0:0:ffff:7b69:eeae
123.105.238.175 0:0:0:0:0:ffff:7b69:eeaf
123.105.238.176 0:0:0:0:0:ffff:7b69:eeb0
123.105.238.177 0:0:0:0:0:ffff:7b69:eeb1
123.105.238.178 0:0:0:0:0:ffff:7b69:eeb2
123.105.238.179 0:0:0:0:0:ffff:7b69:eeb3
123.105.238.180 0:0:0:0:0:ffff:7b69:eeb4


123.105.238.181 0:0:0:0:0:ffff:7b69:eeb5
123.105.238.182 0:0:0:0:0:ffff:7b69:eeb6
123.105.238.183 0:0:0:0:0:ffff:7b69:eeb7
123.105.238.184 0:0:0:0:0:ffff:7b69:eeb8
123.105.238.185 0:0:0:0:0:ffff:7b69:eeb9
123.105.238.186 0:0:0:0:0:ffff:7b69:eeba
123.105.238.187 0:0:0:0:0:ffff:7b69:eebb
123.105.238.188 0:0:0:0:0:ffff:7b69:eebc
123.105.238.189 0:0:0:0:0:ffff:7b69:eebd
123.105.238.190 0:0:0:0:0:ffff:7b69:eebe
123.105.238.191 0:0:0:0:0:ffff:7b69:eebf
123.105.238.192 0:0:0:0:0:ffff:7b69:eec0
123.105.238.193 0:0:0:0:0:ffff:7b69:eec1
123.105.238.194 0:0:0:0:0:ffff:7b69:eec2
123.105.238.195 0:0:0:0:0:ffff:7b69:eec3
123.105.238.196 0:0:0:0:0:ffff:7b69:eec4
123.105.238.197 0:0:0:0:0:ffff:7b69:eec5
123.105.238.198 0:0:0:0:0:ffff:7b69:eec6
123.105.238.199 0:0:0:0:0:ffff:7b69:eec7
123.105.238.200 0:0:0:0:0:ffff:7b69:eec8
123.105.238.201 0:0:0:0:0:ffff:7b69:eec9
123.105.238.202 0:0:0:0:0:ffff:7b69:eeca
123.105.238.203 0:0:0:0:0:ffff:7b69:eecb
123.105.238.204 0:0:0:0:0:ffff:7b69:eecc
123.105.238.205 0:0:0:0:0:ffff:7b69:eecd
123.105.238.206 0:0:0:0:0:ffff:7b69:eece
123.105.238.207 0:0:0:0:0:ffff:7b69:eecf
123.105.238.208 0:0:0:0:0:ffff:7b69:eed0
123.105.238.209 0:0:0:0:0:ffff:7b69:eed1
123.105.238.210 0:0:0:0:0:ffff:7b69:eed2
123.105.238.211 0:0:0:0:0:ffff:7b69:eed3
123.105.238.212 0:0:0:0:0:ffff:7b69:eed4
123.105.238.213 0:0:0:0:0:ffff:7b69:eed5
123.105.238.214 0:0:0:0:0:ffff:7b69:eed6
123.105.238.215 0:0:0:0:0:ffff:7b69:eed7
123.105.238.216 0:0:0:0:0:ffff:7b69:eed8
123.105.238.217 0:0:0:0:0:ffff:7b69:eed9
123.105.238.218 0:0:0:0:0:ffff:7b69:eeda
123.105.238.219 0:0:0:0:0:ffff:7b69:eedb
123.105.238.220 0:0:0:0:0:ffff:7b69:eedc
123.105.238.221 0:0:0:0:0:ffff:7b69:eedd
123.105.238.222 0:0:0:0:0:ffff:7b69:eede
123.105.238.223 0:0:0:0:0:ffff:7b69:eedf
123.105.238.224 0:0:0:0:0:ffff:7b69:eee0
123.105.238.225 0:0:0:0:0:ffff:7b69:eee1
123.105.238.226 0:0:0:0:0:ffff:7b69:eee2
123.105.238.227 0:0:0:0:0:ffff:7b69:eee3
123.105.238.228 0:0:0:0:0:ffff:7b69:eee4
123.105.238.229 0:0:0:0:0:ffff:7b69:eee5
123.105.238.230 0:0:0:0:0:ffff:7b69:eee6
123.105.238.231 0:0:0:0:0:ffff:7b69:eee7
123.105.238.232 0:0:0:0:0:ffff:7b69:eee8
123.105.238.233 0:0:0:0:0:ffff:7b69:eee9
123.105.238.234 0:0:0:0:0:ffff:7b69:eeea
123.105.238.235 0:0:0:0:0:ffff:7b69:eeeb
123.105.238.236 0:0:0:0:0:ffff:7b69:eeec
123.105.238.237 0:0:0:0:0:ffff:7b69:eeed
123.105.238.238 0:0:0:0:0:ffff:7b69:eeee
123.105.238.239 0:0:0:0:0:ffff:7b69:eeef
123.105.238.240 0:0:0:0:0:ffff:7b69:eef0
123.105.238.241 0:0:0:0:0:ffff:7b69:eef1
123.105.238.242 0:0:0:0:0:ffff:7b69:eef2
123.105.238.243 0:0:0:0:0:ffff:7b69:eef3
123.105.238.244 0:0:0:0:0:ffff:7b69:eef4
123.105.238.245 0:0:0:0:0:ffff:7b69:eef5
123.105.238.246 0:0:0:0:0:ffff:7b69:eef6
123.105.238.247 0:0:0:0:0:ffff:7b69:eef7
123.105.238.248 0:0:0:0:0:ffff:7b69:eef8
123.105.238.249 0:0:0:0:0:ffff:7b69:eef9
123.105.238.250 0:0:0:0:0:ffff:7b69:eefa
123.105.238.251 0:0:0:0:0:ffff:7b69:eefb
123.105.238.252 0:0:0:0:0:ffff:7b69:eefc
123.105.238.253 0:0:0:0:0:ffff:7b69:eefd
123.105.238.254 0:0:0:0:0:ffff:7b69:eefe
123.105.238.255 0:0:0:0:0:ffff:7b69: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.