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
27.139.123.1 0:0:0:0:0:ffff:1b8b:7b01
27.139.123.2 0:0:0:0:0:ffff:1b8b:7b02
27.139.123.3 0:0:0:0:0:ffff:1b8b:7b03
27.139.123.4 0:0:0:0:0:ffff:1b8b:7b04
27.139.123.5 0:0:0:0:0:ffff:1b8b:7b05
27.139.123.6 0:0:0:0:0:ffff:1b8b:7b06
27.139.123.7 0:0:0:0:0:ffff:1b8b:7b07
27.139.123.8 0:0:0:0:0:ffff:1b8b:7b08
27.139.123.9 0:0:0:0:0:ffff:1b8b:7b09
27.139.123.10 0:0:0:0:0:ffff:1b8b:7b0a
27.139.123.11 0:0:0:0:0:ffff:1b8b:7b0b
27.139.123.12 0:0:0:0:0:ffff:1b8b:7b0c
27.139.123.13 0:0:0:0:0:ffff:1b8b:7b0d
27.139.123.14 0:0:0:0:0:ffff:1b8b:7b0e
27.139.123.15 0:0:0:0:0:ffff:1b8b:7b0f
27.139.123.16 0:0:0:0:0:ffff:1b8b:7b10
27.139.123.17 0:0:0:0:0:ffff:1b8b:7b11
27.139.123.18 0:0:0:0:0:ffff:1b8b:7b12
27.139.123.19 0:0:0:0:0:ffff:1b8b:7b13
27.139.123.20 0:0:0:0:0:ffff:1b8b:7b14
27.139.123.21 0:0:0:0:0:ffff:1b8b:7b15
27.139.123.22 0:0:0:0:0:ffff:1b8b:7b16
27.139.123.23 0:0:0:0:0:ffff:1b8b:7b17
27.139.123.24 0:0:0:0:0:ffff:1b8b:7b18
27.139.123.25 0:0:0:0:0:ffff:1b8b:7b19
27.139.123.26 0:0:0:0:0:ffff:1b8b:7b1a
27.139.123.27 0:0:0:0:0:ffff:1b8b:7b1b
27.139.123.28 0:0:0:0:0:ffff:1b8b:7b1c
27.139.123.29 0:0:0:0:0:ffff:1b8b:7b1d
27.139.123.30 0:0:0:0:0:ffff:1b8b:7b1e
27.139.123.31 0:0:0:0:0:ffff:1b8b:7b1f
27.139.123.32 0:0:0:0:0:ffff:1b8b:7b20
27.139.123.33 0:0:0:0:0:ffff:1b8b:7b21
27.139.123.34 0:0:0:0:0:ffff:1b8b:7b22
27.139.123.35 0:0:0:0:0:ffff:1b8b:7b23
27.139.123.36 0:0:0:0:0:ffff:1b8b:7b24
27.139.123.37 0:0:0:0:0:ffff:1b8b:7b25
27.139.123.38 0:0:0:0:0:ffff:1b8b:7b26
27.139.123.39 0:0:0:0:0:ffff:1b8b:7b27
27.139.123.40 0:0:0:0:0:ffff:1b8b:7b28
27.139.123.41 0:0:0:0:0:ffff:1b8b:7b29
27.139.123.42 0:0:0:0:0:ffff:1b8b:7b2a
27.139.123.43 0:0:0:0:0:ffff:1b8b:7b2b
27.139.123.44 0:0:0:0:0:ffff:1b8b:7b2c
27.139.123.45 0:0:0:0:0:ffff:1b8b:7b2d
27.139.123.46 0:0:0:0:0:ffff:1b8b:7b2e
27.139.123.47 0:0:0:0:0:ffff:1b8b:7b2f
27.139.123.48 0:0:0:0:0:ffff:1b8b:7b30
27.139.123.49 0:0:0:0:0:ffff:1b8b:7b31
27.139.123.50 0:0:0:0:0:ffff:1b8b:7b32
27.139.123.51 0:0:0:0:0:ffff:1b8b:7b33
27.139.123.52 0:0:0:0:0:ffff:1b8b:7b34
27.139.123.53 0:0:0:0:0:ffff:1b8b:7b35
27.139.123.54 0:0:0:0:0:ffff:1b8b:7b36
27.139.123.55 0:0:0:0:0:ffff:1b8b:7b37
27.139.123.56 0:0:0:0:0:ffff:1b8b:7b38
27.139.123.57 0:0:0:0:0:ffff:1b8b:7b39
27.139.123.58 0:0:0:0:0:ffff:1b8b:7b3a
27.139.123.59 0:0:0:0:0:ffff:1b8b:7b3b
27.139.123.60 0:0:0:0:0:ffff:1b8b:7b3c


27.139.123.61 0:0:0:0:0:ffff:1b8b:7b3d
27.139.123.62 0:0:0:0:0:ffff:1b8b:7b3e
27.139.123.63 0:0:0:0:0:ffff:1b8b:7b3f
27.139.123.64 0:0:0:0:0:ffff:1b8b:7b40
27.139.123.65 0:0:0:0:0:ffff:1b8b:7b41
27.139.123.66 0:0:0:0:0:ffff:1b8b:7b42
27.139.123.67 0:0:0:0:0:ffff:1b8b:7b43
27.139.123.68 0:0:0:0:0:ffff:1b8b:7b44
27.139.123.69 0:0:0:0:0:ffff:1b8b:7b45
27.139.123.70 0:0:0:0:0:ffff:1b8b:7b46
27.139.123.71 0:0:0:0:0:ffff:1b8b:7b47
27.139.123.72 0:0:0:0:0:ffff:1b8b:7b48
27.139.123.73 0:0:0:0:0:ffff:1b8b:7b49
27.139.123.74 0:0:0:0:0:ffff:1b8b:7b4a
27.139.123.75 0:0:0:0:0:ffff:1b8b:7b4b
27.139.123.76 0:0:0:0:0:ffff:1b8b:7b4c
27.139.123.77 0:0:0:0:0:ffff:1b8b:7b4d
27.139.123.78 0:0:0:0:0:ffff:1b8b:7b4e
27.139.123.79 0:0:0:0:0:ffff:1b8b:7b4f
27.139.123.80 0:0:0:0:0:ffff:1b8b:7b50
27.139.123.81 0:0:0:0:0:ffff:1b8b:7b51
27.139.123.82 0:0:0:0:0:ffff:1b8b:7b52
27.139.123.83 0:0:0:0:0:ffff:1b8b:7b53
27.139.123.84 0:0:0:0:0:ffff:1b8b:7b54
27.139.123.85 0:0:0:0:0:ffff:1b8b:7b55
27.139.123.86 0:0:0:0:0:ffff:1b8b:7b56
27.139.123.87 0:0:0:0:0:ffff:1b8b:7b57
27.139.123.88 0:0:0:0:0:ffff:1b8b:7b58
27.139.123.89 0:0:0:0:0:ffff:1b8b:7b59
27.139.123.90 0:0:0:0:0:ffff:1b8b:7b5a
27.139.123.91 0:0:0:0:0:ffff:1b8b:7b5b
27.139.123.92 0:0:0:0:0:ffff:1b8b:7b5c
27.139.123.93 0:0:0:0:0:ffff:1b8b:7b5d
27.139.123.94 0:0:0:0:0:ffff:1b8b:7b5e
27.139.123.95 0:0:0:0:0:ffff:1b8b:7b5f
27.139.123.96 0:0:0:0:0:ffff:1b8b:7b60
27.139.123.97 0:0:0:0:0:ffff:1b8b:7b61
27.139.123.98 0:0:0:0:0:ffff:1b8b:7b62
27.139.123.99 0:0:0:0:0:ffff:1b8b:7b63
27.139.123.100 0:0:0:0:0:ffff:1b8b:7b64
27.139.123.101 0:0:0:0:0:ffff:1b8b:7b65
27.139.123.102 0:0:0:0:0:ffff:1b8b:7b66
27.139.123.103 0:0:0:0:0:ffff:1b8b:7b67
27.139.123.104 0:0:0:0:0:ffff:1b8b:7b68
27.139.123.105 0:0:0:0:0:ffff:1b8b:7b69
27.139.123.106 0:0:0:0:0:ffff:1b8b:7b6a
27.139.123.107 0:0:0:0:0:ffff:1b8b:7b6b
27.139.123.108 0:0:0:0:0:ffff:1b8b:7b6c
27.139.123.109 0:0:0:0:0:ffff:1b8b:7b6d
27.139.123.110 0:0:0:0:0:ffff:1b8b:7b6e
27.139.123.111 0:0:0:0:0:ffff:1b8b:7b6f
27.139.123.112 0:0:0:0:0:ffff:1b8b:7b70
27.139.123.113 0:0:0:0:0:ffff:1b8b:7b71
27.139.123.114 0:0:0:0:0:ffff:1b8b:7b72
27.139.123.115 0:0:0:0:0:ffff:1b8b:7b73
27.139.123.116 0:0:0:0:0:ffff:1b8b:7b74
27.139.123.117 0:0:0:0:0:ffff:1b8b:7b75
27.139.123.118 0:0:0:0:0:ffff:1b8b:7b76
27.139.123.119 0:0:0:0:0:ffff:1b8b:7b77
27.139.123.120 0:0:0:0:0:ffff:1b8b:7b78


27.139.123.121 0:0:0:0:0:ffff:1b8b:7b79
27.139.123.122 0:0:0:0:0:ffff:1b8b:7b7a
27.139.123.123 0:0:0:0:0:ffff:1b8b:7b7b
27.139.123.124 0:0:0:0:0:ffff:1b8b:7b7c
27.139.123.125 0:0:0:0:0:ffff:1b8b:7b7d
27.139.123.126 0:0:0:0:0:ffff:1b8b:7b7e
27.139.123.127 0:0:0:0:0:ffff:1b8b:7b7f
27.139.123.128 0:0:0:0:0:ffff:1b8b:7b80
27.139.123.129 0:0:0:0:0:ffff:1b8b:7b81
27.139.123.130 0:0:0:0:0:ffff:1b8b:7b82
27.139.123.131 0:0:0:0:0:ffff:1b8b:7b83
27.139.123.132 0:0:0:0:0:ffff:1b8b:7b84
27.139.123.133 0:0:0:0:0:ffff:1b8b:7b85
27.139.123.134 0:0:0:0:0:ffff:1b8b:7b86
27.139.123.135 0:0:0:0:0:ffff:1b8b:7b87
27.139.123.136 0:0:0:0:0:ffff:1b8b:7b88
27.139.123.137 0:0:0:0:0:ffff:1b8b:7b89
27.139.123.138 0:0:0:0:0:ffff:1b8b:7b8a
27.139.123.139 0:0:0:0:0:ffff:1b8b:7b8b
27.139.123.140 0:0:0:0:0:ffff:1b8b:7b8c
27.139.123.141 0:0:0:0:0:ffff:1b8b:7b8d
27.139.123.142 0:0:0:0:0:ffff:1b8b:7b8e
27.139.123.143 0:0:0:0:0:ffff:1b8b:7b8f
27.139.123.144 0:0:0:0:0:ffff:1b8b:7b90
27.139.123.145 0:0:0:0:0:ffff:1b8b:7b91
27.139.123.146 0:0:0:0:0:ffff:1b8b:7b92
27.139.123.147 0:0:0:0:0:ffff:1b8b:7b93
27.139.123.148 0:0:0:0:0:ffff:1b8b:7b94
27.139.123.149 0:0:0:0:0:ffff:1b8b:7b95
27.139.123.150 0:0:0:0:0:ffff:1b8b:7b96
27.139.123.151 0:0:0:0:0:ffff:1b8b:7b97
27.139.123.152 0:0:0:0:0:ffff:1b8b:7b98
27.139.123.153 0:0:0:0:0:ffff:1b8b:7b99
27.139.123.154 0:0:0:0:0:ffff:1b8b:7b9a
27.139.123.155 0:0:0:0:0:ffff:1b8b:7b9b
27.139.123.156 0:0:0:0:0:ffff:1b8b:7b9c
27.139.123.157 0:0:0:0:0:ffff:1b8b:7b9d
27.139.123.158 0:0:0:0:0:ffff:1b8b:7b9e
27.139.123.159 0:0:0:0:0:ffff:1b8b:7b9f
27.139.123.160 0:0:0:0:0:ffff:1b8b:7ba0
27.139.123.161 0:0:0:0:0:ffff:1b8b:7ba1
27.139.123.162 0:0:0:0:0:ffff:1b8b:7ba2
27.139.123.163 0:0:0:0:0:ffff:1b8b:7ba3
27.139.123.164 0:0:0:0:0:ffff:1b8b:7ba4
27.139.123.165 0:0:0:0:0:ffff:1b8b:7ba5
27.139.123.166 0:0:0:0:0:ffff:1b8b:7ba6
27.139.123.167 0:0:0:0:0:ffff:1b8b:7ba7
27.139.123.168 0:0:0:0:0:ffff:1b8b:7ba8
27.139.123.169 0:0:0:0:0:ffff:1b8b:7ba9
27.139.123.170 0:0:0:0:0:ffff:1b8b:7baa
27.139.123.171 0:0:0:0:0:ffff:1b8b:7bab
27.139.123.172 0:0:0:0:0:ffff:1b8b:7bac
27.139.123.173 0:0:0:0:0:ffff:1b8b:7bad
27.139.123.174 0:0:0:0:0:ffff:1b8b:7bae
27.139.123.175 0:0:0:0:0:ffff:1b8b:7baf
27.139.123.176 0:0:0:0:0:ffff:1b8b:7bb0
27.139.123.177 0:0:0:0:0:ffff:1b8b:7bb1
27.139.123.178 0:0:0:0:0:ffff:1b8b:7bb2
27.139.123.179 0:0:0:0:0:ffff:1b8b:7bb3
27.139.123.180 0:0:0:0:0:ffff:1b8b:7bb4


27.139.123.181 0:0:0:0:0:ffff:1b8b:7bb5
27.139.123.182 0:0:0:0:0:ffff:1b8b:7bb6
27.139.123.183 0:0:0:0:0:ffff:1b8b:7bb7
27.139.123.184 0:0:0:0:0:ffff:1b8b:7bb8
27.139.123.185 0:0:0:0:0:ffff:1b8b:7bb9
27.139.123.186 0:0:0:0:0:ffff:1b8b:7bba
27.139.123.187 0:0:0:0:0:ffff:1b8b:7bbb
27.139.123.188 0:0:0:0:0:ffff:1b8b:7bbc
27.139.123.189 0:0:0:0:0:ffff:1b8b:7bbd
27.139.123.190 0:0:0:0:0:ffff:1b8b:7bbe
27.139.123.191 0:0:0:0:0:ffff:1b8b:7bbf
27.139.123.192 0:0:0:0:0:ffff:1b8b:7bc0
27.139.123.193 0:0:0:0:0:ffff:1b8b:7bc1
27.139.123.194 0:0:0:0:0:ffff:1b8b:7bc2
27.139.123.195 0:0:0:0:0:ffff:1b8b:7bc3
27.139.123.196 0:0:0:0:0:ffff:1b8b:7bc4
27.139.123.197 0:0:0:0:0:ffff:1b8b:7bc5
27.139.123.198 0:0:0:0:0:ffff:1b8b:7bc6
27.139.123.199 0:0:0:0:0:ffff:1b8b:7bc7
27.139.123.200 0:0:0:0:0:ffff:1b8b:7bc8
27.139.123.201 0:0:0:0:0:ffff:1b8b:7bc9
27.139.123.202 0:0:0:0:0:ffff:1b8b:7bca
27.139.123.203 0:0:0:0:0:ffff:1b8b:7bcb
27.139.123.204 0:0:0:0:0:ffff:1b8b:7bcc
27.139.123.205 0:0:0:0:0:ffff:1b8b:7bcd
27.139.123.206 0:0:0:0:0:ffff:1b8b:7bce
27.139.123.207 0:0:0:0:0:ffff:1b8b:7bcf
27.139.123.208 0:0:0:0:0:ffff:1b8b:7bd0
27.139.123.209 0:0:0:0:0:ffff:1b8b:7bd1
27.139.123.210 0:0:0:0:0:ffff:1b8b:7bd2
27.139.123.211 0:0:0:0:0:ffff:1b8b:7bd3
27.139.123.212 0:0:0:0:0:ffff:1b8b:7bd4
27.139.123.213 0:0:0:0:0:ffff:1b8b:7bd5
27.139.123.214 0:0:0:0:0:ffff:1b8b:7bd6
27.139.123.215 0:0:0:0:0:ffff:1b8b:7bd7
27.139.123.216 0:0:0:0:0:ffff:1b8b:7bd8
27.139.123.217 0:0:0:0:0:ffff:1b8b:7bd9
27.139.123.218 0:0:0:0:0:ffff:1b8b:7bda
27.139.123.219 0:0:0:0:0:ffff:1b8b:7bdb
27.139.123.220 0:0:0:0:0:ffff:1b8b:7bdc
27.139.123.221 0:0:0:0:0:ffff:1b8b:7bdd
27.139.123.222 0:0:0:0:0:ffff:1b8b:7bde
27.139.123.223 0:0:0:0:0:ffff:1b8b:7bdf
27.139.123.224 0:0:0:0:0:ffff:1b8b:7be0
27.139.123.225 0:0:0:0:0:ffff:1b8b:7be1
27.139.123.226 0:0:0:0:0:ffff:1b8b:7be2
27.139.123.227 0:0:0:0:0:ffff:1b8b:7be3
27.139.123.228 0:0:0:0:0:ffff:1b8b:7be4
27.139.123.229 0:0:0:0:0:ffff:1b8b:7be5
27.139.123.230 0:0:0:0:0:ffff:1b8b:7be6
27.139.123.231 0:0:0:0:0:ffff:1b8b:7be7
27.139.123.232 0:0:0:0:0:ffff:1b8b:7be8
27.139.123.233 0:0:0:0:0:ffff:1b8b:7be9
27.139.123.234 0:0:0:0:0:ffff:1b8b:7bea
27.139.123.235 0:0:0:0:0:ffff:1b8b:7beb
27.139.123.236 0:0:0:0:0:ffff:1b8b:7bec
27.139.123.237 0:0:0:0:0:ffff:1b8b:7bed
27.139.123.238 0:0:0:0:0:ffff:1b8b:7bee
27.139.123.239 0:0:0:0:0:ffff:1b8b:7bef
27.139.123.240 0:0:0:0:0:ffff:1b8b:7bf0
27.139.123.241 0:0:0:0:0:ffff:1b8b:7bf1
27.139.123.242 0:0:0:0:0:ffff:1b8b:7bf2
27.139.123.243 0:0:0:0:0:ffff:1b8b:7bf3
27.139.123.244 0:0:0:0:0:ffff:1b8b:7bf4
27.139.123.245 0:0:0:0:0:ffff:1b8b:7bf5
27.139.123.246 0:0:0:0:0:ffff:1b8b:7bf6
27.139.123.247 0:0:0:0:0:ffff:1b8b:7bf7
27.139.123.248 0:0:0:0:0:ffff:1b8b:7bf8
27.139.123.249 0:0:0:0:0:ffff:1b8b:7bf9
27.139.123.250 0:0:0:0:0:ffff:1b8b:7bfa
27.139.123.251 0:0:0:0:0:ffff:1b8b:7bfb
27.139.123.252 0:0:0:0:0:ffff:1b8b:7bfc
27.139.123.253 0:0:0:0:0:ffff:1b8b:7bfd
27.139.123.254 0:0:0:0:0:ffff:1b8b:7bfe
27.139.123.255 0:0:0:0:0:ffff:1b8b:7bff


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.