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
105.1.123.1 0:0:0:0:0:ffff:6901:7b01
105.1.123.2 0:0:0:0:0:ffff:6901:7b02
105.1.123.3 0:0:0:0:0:ffff:6901:7b03
105.1.123.4 0:0:0:0:0:ffff:6901:7b04
105.1.123.5 0:0:0:0:0:ffff:6901:7b05
105.1.123.6 0:0:0:0:0:ffff:6901:7b06
105.1.123.7 0:0:0:0:0:ffff:6901:7b07
105.1.123.8 0:0:0:0:0:ffff:6901:7b08
105.1.123.9 0:0:0:0:0:ffff:6901:7b09
105.1.123.10 0:0:0:0:0:ffff:6901:7b0a
105.1.123.11 0:0:0:0:0:ffff:6901:7b0b
105.1.123.12 0:0:0:0:0:ffff:6901:7b0c
105.1.123.13 0:0:0:0:0:ffff:6901:7b0d
105.1.123.14 0:0:0:0:0:ffff:6901:7b0e
105.1.123.15 0:0:0:0:0:ffff:6901:7b0f
105.1.123.16 0:0:0:0:0:ffff:6901:7b10
105.1.123.17 0:0:0:0:0:ffff:6901:7b11
105.1.123.18 0:0:0:0:0:ffff:6901:7b12
105.1.123.19 0:0:0:0:0:ffff:6901:7b13
105.1.123.20 0:0:0:0:0:ffff:6901:7b14
105.1.123.21 0:0:0:0:0:ffff:6901:7b15
105.1.123.22 0:0:0:0:0:ffff:6901:7b16
105.1.123.23 0:0:0:0:0:ffff:6901:7b17
105.1.123.24 0:0:0:0:0:ffff:6901:7b18
105.1.123.25 0:0:0:0:0:ffff:6901:7b19
105.1.123.26 0:0:0:0:0:ffff:6901:7b1a
105.1.123.27 0:0:0:0:0:ffff:6901:7b1b
105.1.123.28 0:0:0:0:0:ffff:6901:7b1c
105.1.123.29 0:0:0:0:0:ffff:6901:7b1d
105.1.123.30 0:0:0:0:0:ffff:6901:7b1e
105.1.123.31 0:0:0:0:0:ffff:6901:7b1f
105.1.123.32 0:0:0:0:0:ffff:6901:7b20
105.1.123.33 0:0:0:0:0:ffff:6901:7b21
105.1.123.34 0:0:0:0:0:ffff:6901:7b22
105.1.123.35 0:0:0:0:0:ffff:6901:7b23
105.1.123.36 0:0:0:0:0:ffff:6901:7b24
105.1.123.37 0:0:0:0:0:ffff:6901:7b25
105.1.123.38 0:0:0:0:0:ffff:6901:7b26
105.1.123.39 0:0:0:0:0:ffff:6901:7b27
105.1.123.40 0:0:0:0:0:ffff:6901:7b28
105.1.123.41 0:0:0:0:0:ffff:6901:7b29
105.1.123.42 0:0:0:0:0:ffff:6901:7b2a
105.1.123.43 0:0:0:0:0:ffff:6901:7b2b
105.1.123.44 0:0:0:0:0:ffff:6901:7b2c
105.1.123.45 0:0:0:0:0:ffff:6901:7b2d
105.1.123.46 0:0:0:0:0:ffff:6901:7b2e
105.1.123.47 0:0:0:0:0:ffff:6901:7b2f
105.1.123.48 0:0:0:0:0:ffff:6901:7b30
105.1.123.49 0:0:0:0:0:ffff:6901:7b31
105.1.123.50 0:0:0:0:0:ffff:6901:7b32
105.1.123.51 0:0:0:0:0:ffff:6901:7b33
105.1.123.52 0:0:0:0:0:ffff:6901:7b34
105.1.123.53 0:0:0:0:0:ffff:6901:7b35
105.1.123.54 0:0:0:0:0:ffff:6901:7b36
105.1.123.55 0:0:0:0:0:ffff:6901:7b37
105.1.123.56 0:0:0:0:0:ffff:6901:7b38
105.1.123.57 0:0:0:0:0:ffff:6901:7b39
105.1.123.58 0:0:0:0:0:ffff:6901:7b3a
105.1.123.59 0:0:0:0:0:ffff:6901:7b3b
105.1.123.60 0:0:0:0:0:ffff:6901:7b3c


105.1.123.61 0:0:0:0:0:ffff:6901:7b3d
105.1.123.62 0:0:0:0:0:ffff:6901:7b3e
105.1.123.63 0:0:0:0:0:ffff:6901:7b3f
105.1.123.64 0:0:0:0:0:ffff:6901:7b40
105.1.123.65 0:0:0:0:0:ffff:6901:7b41
105.1.123.66 0:0:0:0:0:ffff:6901:7b42
105.1.123.67 0:0:0:0:0:ffff:6901:7b43
105.1.123.68 0:0:0:0:0:ffff:6901:7b44
105.1.123.69 0:0:0:0:0:ffff:6901:7b45
105.1.123.70 0:0:0:0:0:ffff:6901:7b46
105.1.123.71 0:0:0:0:0:ffff:6901:7b47
105.1.123.72 0:0:0:0:0:ffff:6901:7b48
105.1.123.73 0:0:0:0:0:ffff:6901:7b49
105.1.123.74 0:0:0:0:0:ffff:6901:7b4a
105.1.123.75 0:0:0:0:0:ffff:6901:7b4b
105.1.123.76 0:0:0:0:0:ffff:6901:7b4c
105.1.123.77 0:0:0:0:0:ffff:6901:7b4d
105.1.123.78 0:0:0:0:0:ffff:6901:7b4e
105.1.123.79 0:0:0:0:0:ffff:6901:7b4f
105.1.123.80 0:0:0:0:0:ffff:6901:7b50
105.1.123.81 0:0:0:0:0:ffff:6901:7b51
105.1.123.82 0:0:0:0:0:ffff:6901:7b52
105.1.123.83 0:0:0:0:0:ffff:6901:7b53
105.1.123.84 0:0:0:0:0:ffff:6901:7b54
105.1.123.85 0:0:0:0:0:ffff:6901:7b55
105.1.123.86 0:0:0:0:0:ffff:6901:7b56
105.1.123.87 0:0:0:0:0:ffff:6901:7b57
105.1.123.88 0:0:0:0:0:ffff:6901:7b58
105.1.123.89 0:0:0:0:0:ffff:6901:7b59
105.1.123.90 0:0:0:0:0:ffff:6901:7b5a
105.1.123.91 0:0:0:0:0:ffff:6901:7b5b
105.1.123.92 0:0:0:0:0:ffff:6901:7b5c
105.1.123.93 0:0:0:0:0:ffff:6901:7b5d
105.1.123.94 0:0:0:0:0:ffff:6901:7b5e
105.1.123.95 0:0:0:0:0:ffff:6901:7b5f
105.1.123.96 0:0:0:0:0:ffff:6901:7b60
105.1.123.97 0:0:0:0:0:ffff:6901:7b61
105.1.123.98 0:0:0:0:0:ffff:6901:7b62
105.1.123.99 0:0:0:0:0:ffff:6901:7b63
105.1.123.100 0:0:0:0:0:ffff:6901:7b64
105.1.123.101 0:0:0:0:0:ffff:6901:7b65
105.1.123.102 0:0:0:0:0:ffff:6901:7b66
105.1.123.103 0:0:0:0:0:ffff:6901:7b67
105.1.123.104 0:0:0:0:0:ffff:6901:7b68
105.1.123.105 0:0:0:0:0:ffff:6901:7b69
105.1.123.106 0:0:0:0:0:ffff:6901:7b6a
105.1.123.107 0:0:0:0:0:ffff:6901:7b6b
105.1.123.108 0:0:0:0:0:ffff:6901:7b6c
105.1.123.109 0:0:0:0:0:ffff:6901:7b6d
105.1.123.110 0:0:0:0:0:ffff:6901:7b6e
105.1.123.111 0:0:0:0:0:ffff:6901:7b6f
105.1.123.112 0:0:0:0:0:ffff:6901:7b70
105.1.123.113 0:0:0:0:0:ffff:6901:7b71
105.1.123.114 0:0:0:0:0:ffff:6901:7b72
105.1.123.115 0:0:0:0:0:ffff:6901:7b73
105.1.123.116 0:0:0:0:0:ffff:6901:7b74
105.1.123.117 0:0:0:0:0:ffff:6901:7b75
105.1.123.118 0:0:0:0:0:ffff:6901:7b76
105.1.123.119 0:0:0:0:0:ffff:6901:7b77
105.1.123.120 0:0:0:0:0:ffff:6901:7b78


105.1.123.121 0:0:0:0:0:ffff:6901:7b79
105.1.123.122 0:0:0:0:0:ffff:6901:7b7a
105.1.123.123 0:0:0:0:0:ffff:6901:7b7b
105.1.123.124 0:0:0:0:0:ffff:6901:7b7c
105.1.123.125 0:0:0:0:0:ffff:6901:7b7d
105.1.123.126 0:0:0:0:0:ffff:6901:7b7e
105.1.123.127 0:0:0:0:0:ffff:6901:7b7f
105.1.123.128 0:0:0:0:0:ffff:6901:7b80
105.1.123.129 0:0:0:0:0:ffff:6901:7b81
105.1.123.130 0:0:0:0:0:ffff:6901:7b82
105.1.123.131 0:0:0:0:0:ffff:6901:7b83
105.1.123.132 0:0:0:0:0:ffff:6901:7b84
105.1.123.133 0:0:0:0:0:ffff:6901:7b85
105.1.123.134 0:0:0:0:0:ffff:6901:7b86
105.1.123.135 0:0:0:0:0:ffff:6901:7b87
105.1.123.136 0:0:0:0:0:ffff:6901:7b88
105.1.123.137 0:0:0:0:0:ffff:6901:7b89
105.1.123.138 0:0:0:0:0:ffff:6901:7b8a
105.1.123.139 0:0:0:0:0:ffff:6901:7b8b
105.1.123.140 0:0:0:0:0:ffff:6901:7b8c
105.1.123.141 0:0:0:0:0:ffff:6901:7b8d
105.1.123.142 0:0:0:0:0:ffff:6901:7b8e
105.1.123.143 0:0:0:0:0:ffff:6901:7b8f
105.1.123.144 0:0:0:0:0:ffff:6901:7b90
105.1.123.145 0:0:0:0:0:ffff:6901:7b91
105.1.123.146 0:0:0:0:0:ffff:6901:7b92
105.1.123.147 0:0:0:0:0:ffff:6901:7b93
105.1.123.148 0:0:0:0:0:ffff:6901:7b94
105.1.123.149 0:0:0:0:0:ffff:6901:7b95
105.1.123.150 0:0:0:0:0:ffff:6901:7b96
105.1.123.151 0:0:0:0:0:ffff:6901:7b97
105.1.123.152 0:0:0:0:0:ffff:6901:7b98
105.1.123.153 0:0:0:0:0:ffff:6901:7b99
105.1.123.154 0:0:0:0:0:ffff:6901:7b9a
105.1.123.155 0:0:0:0:0:ffff:6901:7b9b
105.1.123.156 0:0:0:0:0:ffff:6901:7b9c
105.1.123.157 0:0:0:0:0:ffff:6901:7b9d
105.1.123.158 0:0:0:0:0:ffff:6901:7b9e
105.1.123.159 0:0:0:0:0:ffff:6901:7b9f
105.1.123.160 0:0:0:0:0:ffff:6901:7ba0
105.1.123.161 0:0:0:0:0:ffff:6901:7ba1
105.1.123.162 0:0:0:0:0:ffff:6901:7ba2
105.1.123.163 0:0:0:0:0:ffff:6901:7ba3
105.1.123.164 0:0:0:0:0:ffff:6901:7ba4
105.1.123.165 0:0:0:0:0:ffff:6901:7ba5
105.1.123.166 0:0:0:0:0:ffff:6901:7ba6
105.1.123.167 0:0:0:0:0:ffff:6901:7ba7
105.1.123.168 0:0:0:0:0:ffff:6901:7ba8
105.1.123.169 0:0:0:0:0:ffff:6901:7ba9
105.1.123.170 0:0:0:0:0:ffff:6901:7baa
105.1.123.171 0:0:0:0:0:ffff:6901:7bab
105.1.123.172 0:0:0:0:0:ffff:6901:7bac
105.1.123.173 0:0:0:0:0:ffff:6901:7bad
105.1.123.174 0:0:0:0:0:ffff:6901:7bae
105.1.123.175 0:0:0:0:0:ffff:6901:7baf
105.1.123.176 0:0:0:0:0:ffff:6901:7bb0
105.1.123.177 0:0:0:0:0:ffff:6901:7bb1
105.1.123.178 0:0:0:0:0:ffff:6901:7bb2
105.1.123.179 0:0:0:0:0:ffff:6901:7bb3
105.1.123.180 0:0:0:0:0:ffff:6901:7bb4


105.1.123.181 0:0:0:0:0:ffff:6901:7bb5
105.1.123.182 0:0:0:0:0:ffff:6901:7bb6
105.1.123.183 0:0:0:0:0:ffff:6901:7bb7
105.1.123.184 0:0:0:0:0:ffff:6901:7bb8
105.1.123.185 0:0:0:0:0:ffff:6901:7bb9
105.1.123.186 0:0:0:0:0:ffff:6901:7bba
105.1.123.187 0:0:0:0:0:ffff:6901:7bbb
105.1.123.188 0:0:0:0:0:ffff:6901:7bbc
105.1.123.189 0:0:0:0:0:ffff:6901:7bbd
105.1.123.190 0:0:0:0:0:ffff:6901:7bbe
105.1.123.191 0:0:0:0:0:ffff:6901:7bbf
105.1.123.192 0:0:0:0:0:ffff:6901:7bc0
105.1.123.193 0:0:0:0:0:ffff:6901:7bc1
105.1.123.194 0:0:0:0:0:ffff:6901:7bc2
105.1.123.195 0:0:0:0:0:ffff:6901:7bc3
105.1.123.196 0:0:0:0:0:ffff:6901:7bc4
105.1.123.197 0:0:0:0:0:ffff:6901:7bc5
105.1.123.198 0:0:0:0:0:ffff:6901:7bc6
105.1.123.199 0:0:0:0:0:ffff:6901:7bc7
105.1.123.200 0:0:0:0:0:ffff:6901:7bc8
105.1.123.201 0:0:0:0:0:ffff:6901:7bc9
105.1.123.202 0:0:0:0:0:ffff:6901:7bca
105.1.123.203 0:0:0:0:0:ffff:6901:7bcb
105.1.123.204 0:0:0:0:0:ffff:6901:7bcc
105.1.123.205 0:0:0:0:0:ffff:6901:7bcd
105.1.123.206 0:0:0:0:0:ffff:6901:7bce
105.1.123.207 0:0:0:0:0:ffff:6901:7bcf
105.1.123.208 0:0:0:0:0:ffff:6901:7bd0
105.1.123.209 0:0:0:0:0:ffff:6901:7bd1
105.1.123.210 0:0:0:0:0:ffff:6901:7bd2
105.1.123.211 0:0:0:0:0:ffff:6901:7bd3
105.1.123.212 0:0:0:0:0:ffff:6901:7bd4
105.1.123.213 0:0:0:0:0:ffff:6901:7bd5
105.1.123.214 0:0:0:0:0:ffff:6901:7bd6
105.1.123.215 0:0:0:0:0:ffff:6901:7bd7
105.1.123.216 0:0:0:0:0:ffff:6901:7bd8
105.1.123.217 0:0:0:0:0:ffff:6901:7bd9
105.1.123.218 0:0:0:0:0:ffff:6901:7bda
105.1.123.219 0:0:0:0:0:ffff:6901:7bdb
105.1.123.220 0:0:0:0:0:ffff:6901:7bdc
105.1.123.221 0:0:0:0:0:ffff:6901:7bdd
105.1.123.222 0:0:0:0:0:ffff:6901:7bde
105.1.123.223 0:0:0:0:0:ffff:6901:7bdf
105.1.123.224 0:0:0:0:0:ffff:6901:7be0
105.1.123.225 0:0:0:0:0:ffff:6901:7be1
105.1.123.226 0:0:0:0:0:ffff:6901:7be2
105.1.123.227 0:0:0:0:0:ffff:6901:7be3
105.1.123.228 0:0:0:0:0:ffff:6901:7be4
105.1.123.229 0:0:0:0:0:ffff:6901:7be5
105.1.123.230 0:0:0:0:0:ffff:6901:7be6
105.1.123.231 0:0:0:0:0:ffff:6901:7be7
105.1.123.232 0:0:0:0:0:ffff:6901:7be8
105.1.123.233 0:0:0:0:0:ffff:6901:7be9
105.1.123.234 0:0:0:0:0:ffff:6901:7bea
105.1.123.235 0:0:0:0:0:ffff:6901:7beb
105.1.123.236 0:0:0:0:0:ffff:6901:7bec
105.1.123.237 0:0:0:0:0:ffff:6901:7bed
105.1.123.238 0:0:0:0:0:ffff:6901:7bee
105.1.123.239 0:0:0:0:0:ffff:6901:7bef
105.1.123.240 0:0:0:0:0:ffff:6901:7bf0
105.1.123.241 0:0:0:0:0:ffff:6901:7bf1
105.1.123.242 0:0:0:0:0:ffff:6901:7bf2
105.1.123.243 0:0:0:0:0:ffff:6901:7bf3
105.1.123.244 0:0:0:0:0:ffff:6901:7bf4
105.1.123.245 0:0:0:0:0:ffff:6901:7bf5
105.1.123.246 0:0:0:0:0:ffff:6901:7bf6
105.1.123.247 0:0:0:0:0:ffff:6901:7bf7
105.1.123.248 0:0:0:0:0:ffff:6901:7bf8
105.1.123.249 0:0:0:0:0:ffff:6901:7bf9
105.1.123.250 0:0:0:0:0:ffff:6901:7bfa
105.1.123.251 0:0:0:0:0:ffff:6901:7bfb
105.1.123.252 0:0:0:0:0:ffff:6901:7bfc
105.1.123.253 0:0:0:0:0:ffff:6901:7bfd
105.1.123.254 0:0:0:0:0:ffff:6901:7bfe
105.1.123.255 0:0:0:0:0:ffff:6901:7bff


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.