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
123.105.27.1 0:0:0:0:0:ffff:7b69:1b01
123.105.27.2 0:0:0:0:0:ffff:7b69:1b02
123.105.27.3 0:0:0:0:0:ffff:7b69:1b03
123.105.27.4 0:0:0:0:0:ffff:7b69:1b04
123.105.27.5 0:0:0:0:0:ffff:7b69:1b05
123.105.27.6 0:0:0:0:0:ffff:7b69:1b06
123.105.27.7 0:0:0:0:0:ffff:7b69:1b07
123.105.27.8 0:0:0:0:0:ffff:7b69:1b08
123.105.27.9 0:0:0:0:0:ffff:7b69:1b09
123.105.27.10 0:0:0:0:0:ffff:7b69:1b0a
123.105.27.11 0:0:0:0:0:ffff:7b69:1b0b
123.105.27.12 0:0:0:0:0:ffff:7b69:1b0c
123.105.27.13 0:0:0:0:0:ffff:7b69:1b0d
123.105.27.14 0:0:0:0:0:ffff:7b69:1b0e
123.105.27.15 0:0:0:0:0:ffff:7b69:1b0f
123.105.27.16 0:0:0:0:0:ffff:7b69:1b10
123.105.27.17 0:0:0:0:0:ffff:7b69:1b11
123.105.27.18 0:0:0:0:0:ffff:7b69:1b12
123.105.27.19 0:0:0:0:0:ffff:7b69:1b13
123.105.27.20 0:0:0:0:0:ffff:7b69:1b14
123.105.27.21 0:0:0:0:0:ffff:7b69:1b15
123.105.27.22 0:0:0:0:0:ffff:7b69:1b16
123.105.27.23 0:0:0:0:0:ffff:7b69:1b17
123.105.27.24 0:0:0:0:0:ffff:7b69:1b18
123.105.27.25 0:0:0:0:0:ffff:7b69:1b19
123.105.27.26 0:0:0:0:0:ffff:7b69:1b1a
123.105.27.27 0:0:0:0:0:ffff:7b69:1b1b
123.105.27.28 0:0:0:0:0:ffff:7b69:1b1c
123.105.27.29 0:0:0:0:0:ffff:7b69:1b1d
123.105.27.30 0:0:0:0:0:ffff:7b69:1b1e
123.105.27.31 0:0:0:0:0:ffff:7b69:1b1f
123.105.27.32 0:0:0:0:0:ffff:7b69:1b20
123.105.27.33 0:0:0:0:0:ffff:7b69:1b21
123.105.27.34 0:0:0:0:0:ffff:7b69:1b22
123.105.27.35 0:0:0:0:0:ffff:7b69:1b23
123.105.27.36 0:0:0:0:0:ffff:7b69:1b24
123.105.27.37 0:0:0:0:0:ffff:7b69:1b25
123.105.27.38 0:0:0:0:0:ffff:7b69:1b26
123.105.27.39 0:0:0:0:0:ffff:7b69:1b27
123.105.27.40 0:0:0:0:0:ffff:7b69:1b28
123.105.27.41 0:0:0:0:0:ffff:7b69:1b29
123.105.27.42 0:0:0:0:0:ffff:7b69:1b2a
123.105.27.43 0:0:0:0:0:ffff:7b69:1b2b
123.105.27.44 0:0:0:0:0:ffff:7b69:1b2c
123.105.27.45 0:0:0:0:0:ffff:7b69:1b2d
123.105.27.46 0:0:0:0:0:ffff:7b69:1b2e
123.105.27.47 0:0:0:0:0:ffff:7b69:1b2f
123.105.27.48 0:0:0:0:0:ffff:7b69:1b30
123.105.27.49 0:0:0:0:0:ffff:7b69:1b31
123.105.27.50 0:0:0:0:0:ffff:7b69:1b32
123.105.27.51 0:0:0:0:0:ffff:7b69:1b33
123.105.27.52 0:0:0:0:0:ffff:7b69:1b34
123.105.27.53 0:0:0:0:0:ffff:7b69:1b35
123.105.27.54 0:0:0:0:0:ffff:7b69:1b36
123.105.27.55 0:0:0:0:0:ffff:7b69:1b37
123.105.27.56 0:0:0:0:0:ffff:7b69:1b38
123.105.27.57 0:0:0:0:0:ffff:7b69:1b39
123.105.27.58 0:0:0:0:0:ffff:7b69:1b3a
123.105.27.59 0:0:0:0:0:ffff:7b69:1b3b
123.105.27.60 0:0:0:0:0:ffff:7b69:1b3c


123.105.27.61 0:0:0:0:0:ffff:7b69:1b3d
123.105.27.62 0:0:0:0:0:ffff:7b69:1b3e
123.105.27.63 0:0:0:0:0:ffff:7b69:1b3f
123.105.27.64 0:0:0:0:0:ffff:7b69:1b40
123.105.27.65 0:0:0:0:0:ffff:7b69:1b41
123.105.27.66 0:0:0:0:0:ffff:7b69:1b42
123.105.27.67 0:0:0:0:0:ffff:7b69:1b43
123.105.27.68 0:0:0:0:0:ffff:7b69:1b44
123.105.27.69 0:0:0:0:0:ffff:7b69:1b45
123.105.27.70 0:0:0:0:0:ffff:7b69:1b46
123.105.27.71 0:0:0:0:0:ffff:7b69:1b47
123.105.27.72 0:0:0:0:0:ffff:7b69:1b48
123.105.27.73 0:0:0:0:0:ffff:7b69:1b49
123.105.27.74 0:0:0:0:0:ffff:7b69:1b4a
123.105.27.75 0:0:0:0:0:ffff:7b69:1b4b
123.105.27.76 0:0:0:0:0:ffff:7b69:1b4c
123.105.27.77 0:0:0:0:0:ffff:7b69:1b4d
123.105.27.78 0:0:0:0:0:ffff:7b69:1b4e
123.105.27.79 0:0:0:0:0:ffff:7b69:1b4f
123.105.27.80 0:0:0:0:0:ffff:7b69:1b50
123.105.27.81 0:0:0:0:0:ffff:7b69:1b51
123.105.27.82 0:0:0:0:0:ffff:7b69:1b52
123.105.27.83 0:0:0:0:0:ffff:7b69:1b53
123.105.27.84 0:0:0:0:0:ffff:7b69:1b54
123.105.27.85 0:0:0:0:0:ffff:7b69:1b55
123.105.27.86 0:0:0:0:0:ffff:7b69:1b56
123.105.27.87 0:0:0:0:0:ffff:7b69:1b57
123.105.27.88 0:0:0:0:0:ffff:7b69:1b58
123.105.27.89 0:0:0:0:0:ffff:7b69:1b59
123.105.27.90 0:0:0:0:0:ffff:7b69:1b5a
123.105.27.91 0:0:0:0:0:ffff:7b69:1b5b
123.105.27.92 0:0:0:0:0:ffff:7b69:1b5c
123.105.27.93 0:0:0:0:0:ffff:7b69:1b5d
123.105.27.94 0:0:0:0:0:ffff:7b69:1b5e
123.105.27.95 0:0:0:0:0:ffff:7b69:1b5f
123.105.27.96 0:0:0:0:0:ffff:7b69:1b60
123.105.27.97 0:0:0:0:0:ffff:7b69:1b61
123.105.27.98 0:0:0:0:0:ffff:7b69:1b62
123.105.27.99 0:0:0:0:0:ffff:7b69:1b63
123.105.27.100 0:0:0:0:0:ffff:7b69:1b64
123.105.27.101 0:0:0:0:0:ffff:7b69:1b65
123.105.27.102 0:0:0:0:0:ffff:7b69:1b66
123.105.27.103 0:0:0:0:0:ffff:7b69:1b67
123.105.27.104 0:0:0:0:0:ffff:7b69:1b68
123.105.27.105 0:0:0:0:0:ffff:7b69:1b69
123.105.27.106 0:0:0:0:0:ffff:7b69:1b6a
123.105.27.107 0:0:0:0:0:ffff:7b69:1b6b
123.105.27.108 0:0:0:0:0:ffff:7b69:1b6c
123.105.27.109 0:0:0:0:0:ffff:7b69:1b6d
123.105.27.110 0:0:0:0:0:ffff:7b69:1b6e
123.105.27.111 0:0:0:0:0:ffff:7b69:1b6f
123.105.27.112 0:0:0:0:0:ffff:7b69:1b70
123.105.27.113 0:0:0:0:0:ffff:7b69:1b71
123.105.27.114 0:0:0:0:0:ffff:7b69:1b72
123.105.27.115 0:0:0:0:0:ffff:7b69:1b73
123.105.27.116 0:0:0:0:0:ffff:7b69:1b74
123.105.27.117 0:0:0:0:0:ffff:7b69:1b75
123.105.27.118 0:0:0:0:0:ffff:7b69:1b76
123.105.27.119 0:0:0:0:0:ffff:7b69:1b77
123.105.27.120 0:0:0:0:0:ffff:7b69:1b78


123.105.27.121 0:0:0:0:0:ffff:7b69:1b79
123.105.27.122 0:0:0:0:0:ffff:7b69:1b7a
123.105.27.123 0:0:0:0:0:ffff:7b69:1b7b
123.105.27.124 0:0:0:0:0:ffff:7b69:1b7c
123.105.27.125 0:0:0:0:0:ffff:7b69:1b7d
123.105.27.126 0:0:0:0:0:ffff:7b69:1b7e
123.105.27.127 0:0:0:0:0:ffff:7b69:1b7f
123.105.27.128 0:0:0:0:0:ffff:7b69:1b80
123.105.27.129 0:0:0:0:0:ffff:7b69:1b81
123.105.27.130 0:0:0:0:0:ffff:7b69:1b82
123.105.27.131 0:0:0:0:0:ffff:7b69:1b83
123.105.27.132 0:0:0:0:0:ffff:7b69:1b84
123.105.27.133 0:0:0:0:0:ffff:7b69:1b85
123.105.27.134 0:0:0:0:0:ffff:7b69:1b86
123.105.27.135 0:0:0:0:0:ffff:7b69:1b87
123.105.27.136 0:0:0:0:0:ffff:7b69:1b88
123.105.27.137 0:0:0:0:0:ffff:7b69:1b89
123.105.27.138 0:0:0:0:0:ffff:7b69:1b8a
123.105.27.139 0:0:0:0:0:ffff:7b69:1b8b
123.105.27.140 0:0:0:0:0:ffff:7b69:1b8c
123.105.27.141 0:0:0:0:0:ffff:7b69:1b8d
123.105.27.142 0:0:0:0:0:ffff:7b69:1b8e
123.105.27.143 0:0:0:0:0:ffff:7b69:1b8f
123.105.27.144 0:0:0:0:0:ffff:7b69:1b90
123.105.27.145 0:0:0:0:0:ffff:7b69:1b91
123.105.27.146 0:0:0:0:0:ffff:7b69:1b92
123.105.27.147 0:0:0:0:0:ffff:7b69:1b93
123.105.27.148 0:0:0:0:0:ffff:7b69:1b94
123.105.27.149 0:0:0:0:0:ffff:7b69:1b95
123.105.27.150 0:0:0:0:0:ffff:7b69:1b96
123.105.27.151 0:0:0:0:0:ffff:7b69:1b97
123.105.27.152 0:0:0:0:0:ffff:7b69:1b98
123.105.27.153 0:0:0:0:0:ffff:7b69:1b99
123.105.27.154 0:0:0:0:0:ffff:7b69:1b9a
123.105.27.155 0:0:0:0:0:ffff:7b69:1b9b
123.105.27.156 0:0:0:0:0:ffff:7b69:1b9c
123.105.27.157 0:0:0:0:0:ffff:7b69:1b9d
123.105.27.158 0:0:0:0:0:ffff:7b69:1b9e
123.105.27.159 0:0:0:0:0:ffff:7b69:1b9f
123.105.27.160 0:0:0:0:0:ffff:7b69:1ba0
123.105.27.161 0:0:0:0:0:ffff:7b69:1ba1
123.105.27.162 0:0:0:0:0:ffff:7b69:1ba2
123.105.27.163 0:0:0:0:0:ffff:7b69:1ba3
123.105.27.164 0:0:0:0:0:ffff:7b69:1ba4
123.105.27.165 0:0:0:0:0:ffff:7b69:1ba5
123.105.27.166 0:0:0:0:0:ffff:7b69:1ba6
123.105.27.167 0:0:0:0:0:ffff:7b69:1ba7
123.105.27.168 0:0:0:0:0:ffff:7b69:1ba8
123.105.27.169 0:0:0:0:0:ffff:7b69:1ba9
123.105.27.170 0:0:0:0:0:ffff:7b69:1baa
123.105.27.171 0:0:0:0:0:ffff:7b69:1bab
123.105.27.172 0:0:0:0:0:ffff:7b69:1bac
123.105.27.173 0:0:0:0:0:ffff:7b69:1bad
123.105.27.174 0:0:0:0:0:ffff:7b69:1bae
123.105.27.175 0:0:0:0:0:ffff:7b69:1baf
123.105.27.176 0:0:0:0:0:ffff:7b69:1bb0
123.105.27.177 0:0:0:0:0:ffff:7b69:1bb1
123.105.27.178 0:0:0:0:0:ffff:7b69:1bb2
123.105.27.179 0:0:0:0:0:ffff:7b69:1bb3
123.105.27.180 0:0:0:0:0:ffff:7b69:1bb4


123.105.27.181 0:0:0:0:0:ffff:7b69:1bb5
123.105.27.182 0:0:0:0:0:ffff:7b69:1bb6
123.105.27.183 0:0:0:0:0:ffff:7b69:1bb7
123.105.27.184 0:0:0:0:0:ffff:7b69:1bb8
123.105.27.185 0:0:0:0:0:ffff:7b69:1bb9
123.105.27.186 0:0:0:0:0:ffff:7b69:1bba
123.105.27.187 0:0:0:0:0:ffff:7b69:1bbb
123.105.27.188 0:0:0:0:0:ffff:7b69:1bbc
123.105.27.189 0:0:0:0:0:ffff:7b69:1bbd
123.105.27.190 0:0:0:0:0:ffff:7b69:1bbe
123.105.27.191 0:0:0:0:0:ffff:7b69:1bbf
123.105.27.192 0:0:0:0:0:ffff:7b69:1bc0
123.105.27.193 0:0:0:0:0:ffff:7b69:1bc1
123.105.27.194 0:0:0:0:0:ffff:7b69:1bc2
123.105.27.195 0:0:0:0:0:ffff:7b69:1bc3
123.105.27.196 0:0:0:0:0:ffff:7b69:1bc4
123.105.27.197 0:0:0:0:0:ffff:7b69:1bc5
123.105.27.198 0:0:0:0:0:ffff:7b69:1bc6
123.105.27.199 0:0:0:0:0:ffff:7b69:1bc7
123.105.27.200 0:0:0:0:0:ffff:7b69:1bc8
123.105.27.201 0:0:0:0:0:ffff:7b69:1bc9
123.105.27.202 0:0:0:0:0:ffff:7b69:1bca
123.105.27.203 0:0:0:0:0:ffff:7b69:1bcb
123.105.27.204 0:0:0:0:0:ffff:7b69:1bcc
123.105.27.205 0:0:0:0:0:ffff:7b69:1bcd
123.105.27.206 0:0:0:0:0:ffff:7b69:1bce
123.105.27.207 0:0:0:0:0:ffff:7b69:1bcf
123.105.27.208 0:0:0:0:0:ffff:7b69:1bd0
123.105.27.209 0:0:0:0:0:ffff:7b69:1bd1
123.105.27.210 0:0:0:0:0:ffff:7b69:1bd2
123.105.27.211 0:0:0:0:0:ffff:7b69:1bd3
123.105.27.212 0:0:0:0:0:ffff:7b69:1bd4
123.105.27.213 0:0:0:0:0:ffff:7b69:1bd5
123.105.27.214 0:0:0:0:0:ffff:7b69:1bd6
123.105.27.215 0:0:0:0:0:ffff:7b69:1bd7
123.105.27.216 0:0:0:0:0:ffff:7b69:1bd8
123.105.27.217 0:0:0:0:0:ffff:7b69:1bd9
123.105.27.218 0:0:0:0:0:ffff:7b69:1bda
123.105.27.219 0:0:0:0:0:ffff:7b69:1bdb
123.105.27.220 0:0:0:0:0:ffff:7b69:1bdc
123.105.27.221 0:0:0:0:0:ffff:7b69:1bdd
123.105.27.222 0:0:0:0:0:ffff:7b69:1bde
123.105.27.223 0:0:0:0:0:ffff:7b69:1bdf
123.105.27.224 0:0:0:0:0:ffff:7b69:1be0
123.105.27.225 0:0:0:0:0:ffff:7b69:1be1
123.105.27.226 0:0:0:0:0:ffff:7b69:1be2
123.105.27.227 0:0:0:0:0:ffff:7b69:1be3
123.105.27.228 0:0:0:0:0:ffff:7b69:1be4
123.105.27.229 0:0:0:0:0:ffff:7b69:1be5
123.105.27.230 0:0:0:0:0:ffff:7b69:1be6
123.105.27.231 0:0:0:0:0:ffff:7b69:1be7
123.105.27.232 0:0:0:0:0:ffff:7b69:1be8
123.105.27.233 0:0:0:0:0:ffff:7b69:1be9
123.105.27.234 0:0:0:0:0:ffff:7b69:1bea
123.105.27.235 0:0:0:0:0:ffff:7b69:1beb
123.105.27.236 0:0:0:0:0:ffff:7b69:1bec
123.105.27.237 0:0:0:0:0:ffff:7b69:1bed
123.105.27.238 0:0:0:0:0:ffff:7b69:1bee
123.105.27.239 0:0:0:0:0:ffff:7b69:1bef
123.105.27.240 0:0:0:0:0:ffff:7b69:1bf0
123.105.27.241 0:0:0:0:0:ffff:7b69:1bf1
123.105.27.242 0:0:0:0:0:ffff:7b69:1bf2
123.105.27.243 0:0:0:0:0:ffff:7b69:1bf3
123.105.27.244 0:0:0:0:0:ffff:7b69:1bf4
123.105.27.245 0:0:0:0:0:ffff:7b69:1bf5
123.105.27.246 0:0:0:0:0:ffff:7b69:1bf6
123.105.27.247 0:0:0:0:0:ffff:7b69:1bf7
123.105.27.248 0:0:0:0:0:ffff:7b69:1bf8
123.105.27.249 0:0:0:0:0:ffff:7b69:1bf9
123.105.27.250 0:0:0:0:0:ffff:7b69:1bfa
123.105.27.251 0:0:0:0:0:ffff:7b69:1bfb
123.105.27.252 0:0:0:0:0:ffff:7b69:1bfc
123.105.27.253 0:0:0:0:0:ffff:7b69:1bfd
123.105.27.254 0:0:0:0:0:ffff:7b69:1bfe
123.105.27.255 0:0:0:0:0:ffff:7b69:1bff


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.