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
4.127.123.1 0:0:0:0:0:ffff:47f:7b01
4.127.123.2 0:0:0:0:0:ffff:47f:7b02
4.127.123.3 0:0:0:0:0:ffff:47f:7b03
4.127.123.4 0:0:0:0:0:ffff:47f:7b04
4.127.123.5 0:0:0:0:0:ffff:47f:7b05
4.127.123.6 0:0:0:0:0:ffff:47f:7b06
4.127.123.7 0:0:0:0:0:ffff:47f:7b07
4.127.123.8 0:0:0:0:0:ffff:47f:7b08
4.127.123.9 0:0:0:0:0:ffff:47f:7b09
4.127.123.10 0:0:0:0:0:ffff:47f:7b0a
4.127.123.11 0:0:0:0:0:ffff:47f:7b0b
4.127.123.12 0:0:0:0:0:ffff:47f:7b0c
4.127.123.13 0:0:0:0:0:ffff:47f:7b0d
4.127.123.14 0:0:0:0:0:ffff:47f:7b0e
4.127.123.15 0:0:0:0:0:ffff:47f:7b0f
4.127.123.16 0:0:0:0:0:ffff:47f:7b10
4.127.123.17 0:0:0:0:0:ffff:47f:7b11
4.127.123.18 0:0:0:0:0:ffff:47f:7b12
4.127.123.19 0:0:0:0:0:ffff:47f:7b13
4.127.123.20 0:0:0:0:0:ffff:47f:7b14
4.127.123.21 0:0:0:0:0:ffff:47f:7b15
4.127.123.22 0:0:0:0:0:ffff:47f:7b16
4.127.123.23 0:0:0:0:0:ffff:47f:7b17
4.127.123.24 0:0:0:0:0:ffff:47f:7b18
4.127.123.25 0:0:0:0:0:ffff:47f:7b19
4.127.123.26 0:0:0:0:0:ffff:47f:7b1a
4.127.123.27 0:0:0:0:0:ffff:47f:7b1b
4.127.123.28 0:0:0:0:0:ffff:47f:7b1c
4.127.123.29 0:0:0:0:0:ffff:47f:7b1d
4.127.123.30 0:0:0:0:0:ffff:47f:7b1e
4.127.123.31 0:0:0:0:0:ffff:47f:7b1f
4.127.123.32 0:0:0:0:0:ffff:47f:7b20
4.127.123.33 0:0:0:0:0:ffff:47f:7b21
4.127.123.34 0:0:0:0:0:ffff:47f:7b22
4.127.123.35 0:0:0:0:0:ffff:47f:7b23
4.127.123.36 0:0:0:0:0:ffff:47f:7b24
4.127.123.37 0:0:0:0:0:ffff:47f:7b25
4.127.123.38 0:0:0:0:0:ffff:47f:7b26
4.127.123.39 0:0:0:0:0:ffff:47f:7b27
4.127.123.40 0:0:0:0:0:ffff:47f:7b28
4.127.123.41 0:0:0:0:0:ffff:47f:7b29
4.127.123.42 0:0:0:0:0:ffff:47f:7b2a
4.127.123.43 0:0:0:0:0:ffff:47f:7b2b
4.127.123.44 0:0:0:0:0:ffff:47f:7b2c
4.127.123.45 0:0:0:0:0:ffff:47f:7b2d
4.127.123.46 0:0:0:0:0:ffff:47f:7b2e
4.127.123.47 0:0:0:0:0:ffff:47f:7b2f
4.127.123.48 0:0:0:0:0:ffff:47f:7b30
4.127.123.49 0:0:0:0:0:ffff:47f:7b31
4.127.123.50 0:0:0:0:0:ffff:47f:7b32
4.127.123.51 0:0:0:0:0:ffff:47f:7b33
4.127.123.52 0:0:0:0:0:ffff:47f:7b34
4.127.123.53 0:0:0:0:0:ffff:47f:7b35
4.127.123.54 0:0:0:0:0:ffff:47f:7b36
4.127.123.55 0:0:0:0:0:ffff:47f:7b37
4.127.123.56 0:0:0:0:0:ffff:47f:7b38
4.127.123.57 0:0:0:0:0:ffff:47f:7b39
4.127.123.58 0:0:0:0:0:ffff:47f:7b3a
4.127.123.59 0:0:0:0:0:ffff:47f:7b3b
4.127.123.60 0:0:0:0:0:ffff:47f:7b3c


4.127.123.61 0:0:0:0:0:ffff:47f:7b3d
4.127.123.62 0:0:0:0:0:ffff:47f:7b3e
4.127.123.63 0:0:0:0:0:ffff:47f:7b3f
4.127.123.64 0:0:0:0:0:ffff:47f:7b40
4.127.123.65 0:0:0:0:0:ffff:47f:7b41
4.127.123.66 0:0:0:0:0:ffff:47f:7b42
4.127.123.67 0:0:0:0:0:ffff:47f:7b43
4.127.123.68 0:0:0:0:0:ffff:47f:7b44
4.127.123.69 0:0:0:0:0:ffff:47f:7b45
4.127.123.70 0:0:0:0:0:ffff:47f:7b46
4.127.123.71 0:0:0:0:0:ffff:47f:7b47
4.127.123.72 0:0:0:0:0:ffff:47f:7b48
4.127.123.73 0:0:0:0:0:ffff:47f:7b49
4.127.123.74 0:0:0:0:0:ffff:47f:7b4a
4.127.123.75 0:0:0:0:0:ffff:47f:7b4b
4.127.123.76 0:0:0:0:0:ffff:47f:7b4c
4.127.123.77 0:0:0:0:0:ffff:47f:7b4d
4.127.123.78 0:0:0:0:0:ffff:47f:7b4e
4.127.123.79 0:0:0:0:0:ffff:47f:7b4f
4.127.123.80 0:0:0:0:0:ffff:47f:7b50
4.127.123.81 0:0:0:0:0:ffff:47f:7b51
4.127.123.82 0:0:0:0:0:ffff:47f:7b52
4.127.123.83 0:0:0:0:0:ffff:47f:7b53
4.127.123.84 0:0:0:0:0:ffff:47f:7b54
4.127.123.85 0:0:0:0:0:ffff:47f:7b55
4.127.123.86 0:0:0:0:0:ffff:47f:7b56
4.127.123.87 0:0:0:0:0:ffff:47f:7b57
4.127.123.88 0:0:0:0:0:ffff:47f:7b58
4.127.123.89 0:0:0:0:0:ffff:47f:7b59
4.127.123.90 0:0:0:0:0:ffff:47f:7b5a
4.127.123.91 0:0:0:0:0:ffff:47f:7b5b
4.127.123.92 0:0:0:0:0:ffff:47f:7b5c
4.127.123.93 0:0:0:0:0:ffff:47f:7b5d
4.127.123.94 0:0:0:0:0:ffff:47f:7b5e
4.127.123.95 0:0:0:0:0:ffff:47f:7b5f
4.127.123.96 0:0:0:0:0:ffff:47f:7b60
4.127.123.97 0:0:0:0:0:ffff:47f:7b61
4.127.123.98 0:0:0:0:0:ffff:47f:7b62
4.127.123.99 0:0:0:0:0:ffff:47f:7b63
4.127.123.100 0:0:0:0:0:ffff:47f:7b64
4.127.123.101 0:0:0:0:0:ffff:47f:7b65
4.127.123.102 0:0:0:0:0:ffff:47f:7b66
4.127.123.103 0:0:0:0:0:ffff:47f:7b67
4.127.123.104 0:0:0:0:0:ffff:47f:7b68
4.127.123.105 0:0:0:0:0:ffff:47f:7b69
4.127.123.106 0:0:0:0:0:ffff:47f:7b6a
4.127.123.107 0:0:0:0:0:ffff:47f:7b6b
4.127.123.108 0:0:0:0:0:ffff:47f:7b6c
4.127.123.109 0:0:0:0:0:ffff:47f:7b6d
4.127.123.110 0:0:0:0:0:ffff:47f:7b6e
4.127.123.111 0:0:0:0:0:ffff:47f:7b6f
4.127.123.112 0:0:0:0:0:ffff:47f:7b70
4.127.123.113 0:0:0:0:0:ffff:47f:7b71
4.127.123.114 0:0:0:0:0:ffff:47f:7b72
4.127.123.115 0:0:0:0:0:ffff:47f:7b73
4.127.123.116 0:0:0:0:0:ffff:47f:7b74
4.127.123.117 0:0:0:0:0:ffff:47f:7b75
4.127.123.118 0:0:0:0:0:ffff:47f:7b76
4.127.123.119 0:0:0:0:0:ffff:47f:7b77
4.127.123.120 0:0:0:0:0:ffff:47f:7b78


4.127.123.121 0:0:0:0:0:ffff:47f:7b79
4.127.123.122 0:0:0:0:0:ffff:47f:7b7a
4.127.123.123 0:0:0:0:0:ffff:47f:7b7b
4.127.123.124 0:0:0:0:0:ffff:47f:7b7c
4.127.123.125 0:0:0:0:0:ffff:47f:7b7d
4.127.123.126 0:0:0:0:0:ffff:47f:7b7e
4.127.123.127 0:0:0:0:0:ffff:47f:7b7f
4.127.123.128 0:0:0:0:0:ffff:47f:7b80
4.127.123.129 0:0:0:0:0:ffff:47f:7b81
4.127.123.130 0:0:0:0:0:ffff:47f:7b82
4.127.123.131 0:0:0:0:0:ffff:47f:7b83
4.127.123.132 0:0:0:0:0:ffff:47f:7b84
4.127.123.133 0:0:0:0:0:ffff:47f:7b85
4.127.123.134 0:0:0:0:0:ffff:47f:7b86
4.127.123.135 0:0:0:0:0:ffff:47f:7b87
4.127.123.136 0:0:0:0:0:ffff:47f:7b88
4.127.123.137 0:0:0:0:0:ffff:47f:7b89
4.127.123.138 0:0:0:0:0:ffff:47f:7b8a
4.127.123.139 0:0:0:0:0:ffff:47f:7b8b
4.127.123.140 0:0:0:0:0:ffff:47f:7b8c
4.127.123.141 0:0:0:0:0:ffff:47f:7b8d
4.127.123.142 0:0:0:0:0:ffff:47f:7b8e
4.127.123.143 0:0:0:0:0:ffff:47f:7b8f
4.127.123.144 0:0:0:0:0:ffff:47f:7b90
4.127.123.145 0:0:0:0:0:ffff:47f:7b91
4.127.123.146 0:0:0:0:0:ffff:47f:7b92
4.127.123.147 0:0:0:0:0:ffff:47f:7b93
4.127.123.148 0:0:0:0:0:ffff:47f:7b94
4.127.123.149 0:0:0:0:0:ffff:47f:7b95
4.127.123.150 0:0:0:0:0:ffff:47f:7b96
4.127.123.151 0:0:0:0:0:ffff:47f:7b97
4.127.123.152 0:0:0:0:0:ffff:47f:7b98
4.127.123.153 0:0:0:0:0:ffff:47f:7b99
4.127.123.154 0:0:0:0:0:ffff:47f:7b9a
4.127.123.155 0:0:0:0:0:ffff:47f:7b9b
4.127.123.156 0:0:0:0:0:ffff:47f:7b9c
4.127.123.157 0:0:0:0:0:ffff:47f:7b9d
4.127.123.158 0:0:0:0:0:ffff:47f:7b9e
4.127.123.159 0:0:0:0:0:ffff:47f:7b9f
4.127.123.160 0:0:0:0:0:ffff:47f:7ba0
4.127.123.161 0:0:0:0:0:ffff:47f:7ba1
4.127.123.162 0:0:0:0:0:ffff:47f:7ba2
4.127.123.163 0:0:0:0:0:ffff:47f:7ba3
4.127.123.164 0:0:0:0:0:ffff:47f:7ba4
4.127.123.165 0:0:0:0:0:ffff:47f:7ba5
4.127.123.166 0:0:0:0:0:ffff:47f:7ba6
4.127.123.167 0:0:0:0:0:ffff:47f:7ba7
4.127.123.168 0:0:0:0:0:ffff:47f:7ba8
4.127.123.169 0:0:0:0:0:ffff:47f:7ba9
4.127.123.170 0:0:0:0:0:ffff:47f:7baa
4.127.123.171 0:0:0:0:0:ffff:47f:7bab
4.127.123.172 0:0:0:0:0:ffff:47f:7bac
4.127.123.173 0:0:0:0:0:ffff:47f:7bad
4.127.123.174 0:0:0:0:0:ffff:47f:7bae
4.127.123.175 0:0:0:0:0:ffff:47f:7baf
4.127.123.176 0:0:0:0:0:ffff:47f:7bb0
4.127.123.177 0:0:0:0:0:ffff:47f:7bb1
4.127.123.178 0:0:0:0:0:ffff:47f:7bb2
4.127.123.179 0:0:0:0:0:ffff:47f:7bb3
4.127.123.180 0:0:0:0:0:ffff:47f:7bb4


4.127.123.181 0:0:0:0:0:ffff:47f:7bb5
4.127.123.182 0:0:0:0:0:ffff:47f:7bb6
4.127.123.183 0:0:0:0:0:ffff:47f:7bb7
4.127.123.184 0:0:0:0:0:ffff:47f:7bb8
4.127.123.185 0:0:0:0:0:ffff:47f:7bb9
4.127.123.186 0:0:0:0:0:ffff:47f:7bba
4.127.123.187 0:0:0:0:0:ffff:47f:7bbb
4.127.123.188 0:0:0:0:0:ffff:47f:7bbc
4.127.123.189 0:0:0:0:0:ffff:47f:7bbd
4.127.123.190 0:0:0:0:0:ffff:47f:7bbe
4.127.123.191 0:0:0:0:0:ffff:47f:7bbf
4.127.123.192 0:0:0:0:0:ffff:47f:7bc0
4.127.123.193 0:0:0:0:0:ffff:47f:7bc1
4.127.123.194 0:0:0:0:0:ffff:47f:7bc2
4.127.123.195 0:0:0:0:0:ffff:47f:7bc3
4.127.123.196 0:0:0:0:0:ffff:47f:7bc4
4.127.123.197 0:0:0:0:0:ffff:47f:7bc5
4.127.123.198 0:0:0:0:0:ffff:47f:7bc6
4.127.123.199 0:0:0:0:0:ffff:47f:7bc7
4.127.123.200 0:0:0:0:0:ffff:47f:7bc8
4.127.123.201 0:0:0:0:0:ffff:47f:7bc9
4.127.123.202 0:0:0:0:0:ffff:47f:7bca
4.127.123.203 0:0:0:0:0:ffff:47f:7bcb
4.127.123.204 0:0:0:0:0:ffff:47f:7bcc
4.127.123.205 0:0:0:0:0:ffff:47f:7bcd
4.127.123.206 0:0:0:0:0:ffff:47f:7bce
4.127.123.207 0:0:0:0:0:ffff:47f:7bcf
4.127.123.208 0:0:0:0:0:ffff:47f:7bd0
4.127.123.209 0:0:0:0:0:ffff:47f:7bd1
4.127.123.210 0:0:0:0:0:ffff:47f:7bd2
4.127.123.211 0:0:0:0:0:ffff:47f:7bd3
4.127.123.212 0:0:0:0:0:ffff:47f:7bd4
4.127.123.213 0:0:0:0:0:ffff:47f:7bd5
4.127.123.214 0:0:0:0:0:ffff:47f:7bd6
4.127.123.215 0:0:0:0:0:ffff:47f:7bd7
4.127.123.216 0:0:0:0:0:ffff:47f:7bd8
4.127.123.217 0:0:0:0:0:ffff:47f:7bd9
4.127.123.218 0:0:0:0:0:ffff:47f:7bda
4.127.123.219 0:0:0:0:0:ffff:47f:7bdb
4.127.123.220 0:0:0:0:0:ffff:47f:7bdc
4.127.123.221 0:0:0:0:0:ffff:47f:7bdd
4.127.123.222 0:0:0:0:0:ffff:47f:7bde
4.127.123.223 0:0:0:0:0:ffff:47f:7bdf
4.127.123.224 0:0:0:0:0:ffff:47f:7be0
4.127.123.225 0:0:0:0:0:ffff:47f:7be1
4.127.123.226 0:0:0:0:0:ffff:47f:7be2
4.127.123.227 0:0:0:0:0:ffff:47f:7be3
4.127.123.228 0:0:0:0:0:ffff:47f:7be4
4.127.123.229 0:0:0:0:0:ffff:47f:7be5
4.127.123.230 0:0:0:0:0:ffff:47f:7be6
4.127.123.231 0:0:0:0:0:ffff:47f:7be7
4.127.123.232 0:0:0:0:0:ffff:47f:7be8
4.127.123.233 0:0:0:0:0:ffff:47f:7be9
4.127.123.234 0:0:0:0:0:ffff:47f:7bea
4.127.123.235 0:0:0:0:0:ffff:47f:7beb
4.127.123.236 0:0:0:0:0:ffff:47f:7bec
4.127.123.237 0:0:0:0:0:ffff:47f:7bed
4.127.123.238 0:0:0:0:0:ffff:47f:7bee
4.127.123.239 0:0:0:0:0:ffff:47f:7bef
4.127.123.240 0:0:0:0:0:ffff:47f:7bf0
4.127.123.241 0:0:0:0:0:ffff:47f:7bf1
4.127.123.242 0:0:0:0:0:ffff:47f:7bf2
4.127.123.243 0:0:0:0:0:ffff:47f:7bf3
4.127.123.244 0:0:0:0:0:ffff:47f:7bf4
4.127.123.245 0:0:0:0:0:ffff:47f:7bf5
4.127.123.246 0:0:0:0:0:ffff:47f:7bf6
4.127.123.247 0:0:0:0:0:ffff:47f:7bf7
4.127.123.248 0:0:0:0:0:ffff:47f:7bf8
4.127.123.249 0:0:0:0:0:ffff:47f:7bf9
4.127.123.250 0:0:0:0:0:ffff:47f:7bfa
4.127.123.251 0:0:0:0:0:ffff:47f:7bfb
4.127.123.252 0:0:0:0:0:ffff:47f:7bfc
4.127.123.253 0:0:0:0:0:ffff:47f:7bfd
4.127.123.254 0:0:0:0:0:ffff:47f:7bfe
4.127.123.255 0:0:0:0:0:ffff:47f: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.