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
65.76.123.1 0:0:0:0:0:ffff:414c:7b01
65.76.123.2 0:0:0:0:0:ffff:414c:7b02
65.76.123.3 0:0:0:0:0:ffff:414c:7b03
65.76.123.4 0:0:0:0:0:ffff:414c:7b04
65.76.123.5 0:0:0:0:0:ffff:414c:7b05
65.76.123.6 0:0:0:0:0:ffff:414c:7b06
65.76.123.7 0:0:0:0:0:ffff:414c:7b07
65.76.123.8 0:0:0:0:0:ffff:414c:7b08
65.76.123.9 0:0:0:0:0:ffff:414c:7b09
65.76.123.10 0:0:0:0:0:ffff:414c:7b0a
65.76.123.11 0:0:0:0:0:ffff:414c:7b0b
65.76.123.12 0:0:0:0:0:ffff:414c:7b0c
65.76.123.13 0:0:0:0:0:ffff:414c:7b0d
65.76.123.14 0:0:0:0:0:ffff:414c:7b0e
65.76.123.15 0:0:0:0:0:ffff:414c:7b0f
65.76.123.16 0:0:0:0:0:ffff:414c:7b10
65.76.123.17 0:0:0:0:0:ffff:414c:7b11
65.76.123.18 0:0:0:0:0:ffff:414c:7b12
65.76.123.19 0:0:0:0:0:ffff:414c:7b13
65.76.123.20 0:0:0:0:0:ffff:414c:7b14
65.76.123.21 0:0:0:0:0:ffff:414c:7b15
65.76.123.22 0:0:0:0:0:ffff:414c:7b16
65.76.123.23 0:0:0:0:0:ffff:414c:7b17
65.76.123.24 0:0:0:0:0:ffff:414c:7b18
65.76.123.25 0:0:0:0:0:ffff:414c:7b19
65.76.123.26 0:0:0:0:0:ffff:414c:7b1a
65.76.123.27 0:0:0:0:0:ffff:414c:7b1b
65.76.123.28 0:0:0:0:0:ffff:414c:7b1c
65.76.123.29 0:0:0:0:0:ffff:414c:7b1d
65.76.123.30 0:0:0:0:0:ffff:414c:7b1e
65.76.123.31 0:0:0:0:0:ffff:414c:7b1f
65.76.123.32 0:0:0:0:0:ffff:414c:7b20
65.76.123.33 0:0:0:0:0:ffff:414c:7b21
65.76.123.34 0:0:0:0:0:ffff:414c:7b22
65.76.123.35 0:0:0:0:0:ffff:414c:7b23
65.76.123.36 0:0:0:0:0:ffff:414c:7b24
65.76.123.37 0:0:0:0:0:ffff:414c:7b25
65.76.123.38 0:0:0:0:0:ffff:414c:7b26
65.76.123.39 0:0:0:0:0:ffff:414c:7b27
65.76.123.40 0:0:0:0:0:ffff:414c:7b28
65.76.123.41 0:0:0:0:0:ffff:414c:7b29
65.76.123.42 0:0:0:0:0:ffff:414c:7b2a
65.76.123.43 0:0:0:0:0:ffff:414c:7b2b
65.76.123.44 0:0:0:0:0:ffff:414c:7b2c
65.76.123.45 0:0:0:0:0:ffff:414c:7b2d
65.76.123.46 0:0:0:0:0:ffff:414c:7b2e
65.76.123.47 0:0:0:0:0:ffff:414c:7b2f
65.76.123.48 0:0:0:0:0:ffff:414c:7b30
65.76.123.49 0:0:0:0:0:ffff:414c:7b31
65.76.123.50 0:0:0:0:0:ffff:414c:7b32
65.76.123.51 0:0:0:0:0:ffff:414c:7b33
65.76.123.52 0:0:0:0:0:ffff:414c:7b34
65.76.123.53 0:0:0:0:0:ffff:414c:7b35
65.76.123.54 0:0:0:0:0:ffff:414c:7b36
65.76.123.55 0:0:0:0:0:ffff:414c:7b37
65.76.123.56 0:0:0:0:0:ffff:414c:7b38
65.76.123.57 0:0:0:0:0:ffff:414c:7b39
65.76.123.58 0:0:0:0:0:ffff:414c:7b3a
65.76.123.59 0:0:0:0:0:ffff:414c:7b3b
65.76.123.60 0:0:0:0:0:ffff:414c:7b3c


65.76.123.61 0:0:0:0:0:ffff:414c:7b3d
65.76.123.62 0:0:0:0:0:ffff:414c:7b3e
65.76.123.63 0:0:0:0:0:ffff:414c:7b3f
65.76.123.64 0:0:0:0:0:ffff:414c:7b40
65.76.123.65 0:0:0:0:0:ffff:414c:7b41
65.76.123.66 0:0:0:0:0:ffff:414c:7b42
65.76.123.67 0:0:0:0:0:ffff:414c:7b43
65.76.123.68 0:0:0:0:0:ffff:414c:7b44
65.76.123.69 0:0:0:0:0:ffff:414c:7b45
65.76.123.70 0:0:0:0:0:ffff:414c:7b46
65.76.123.71 0:0:0:0:0:ffff:414c:7b47
65.76.123.72 0:0:0:0:0:ffff:414c:7b48
65.76.123.73 0:0:0:0:0:ffff:414c:7b49
65.76.123.74 0:0:0:0:0:ffff:414c:7b4a
65.76.123.75 0:0:0:0:0:ffff:414c:7b4b
65.76.123.76 0:0:0:0:0:ffff:414c:7b4c
65.76.123.77 0:0:0:0:0:ffff:414c:7b4d
65.76.123.78 0:0:0:0:0:ffff:414c:7b4e
65.76.123.79 0:0:0:0:0:ffff:414c:7b4f
65.76.123.80 0:0:0:0:0:ffff:414c:7b50
65.76.123.81 0:0:0:0:0:ffff:414c:7b51
65.76.123.82 0:0:0:0:0:ffff:414c:7b52
65.76.123.83 0:0:0:0:0:ffff:414c:7b53
65.76.123.84 0:0:0:0:0:ffff:414c:7b54
65.76.123.85 0:0:0:0:0:ffff:414c:7b55
65.76.123.86 0:0:0:0:0:ffff:414c:7b56
65.76.123.87 0:0:0:0:0:ffff:414c:7b57
65.76.123.88 0:0:0:0:0:ffff:414c:7b58
65.76.123.89 0:0:0:0:0:ffff:414c:7b59
65.76.123.90 0:0:0:0:0:ffff:414c:7b5a
65.76.123.91 0:0:0:0:0:ffff:414c:7b5b
65.76.123.92 0:0:0:0:0:ffff:414c:7b5c
65.76.123.93 0:0:0:0:0:ffff:414c:7b5d
65.76.123.94 0:0:0:0:0:ffff:414c:7b5e
65.76.123.95 0:0:0:0:0:ffff:414c:7b5f
65.76.123.96 0:0:0:0:0:ffff:414c:7b60
65.76.123.97 0:0:0:0:0:ffff:414c:7b61
65.76.123.98 0:0:0:0:0:ffff:414c:7b62
65.76.123.99 0:0:0:0:0:ffff:414c:7b63
65.76.123.100 0:0:0:0:0:ffff:414c:7b64
65.76.123.101 0:0:0:0:0:ffff:414c:7b65
65.76.123.102 0:0:0:0:0:ffff:414c:7b66
65.76.123.103 0:0:0:0:0:ffff:414c:7b67
65.76.123.104 0:0:0:0:0:ffff:414c:7b68
65.76.123.105 0:0:0:0:0:ffff:414c:7b69
65.76.123.106 0:0:0:0:0:ffff:414c:7b6a
65.76.123.107 0:0:0:0:0:ffff:414c:7b6b
65.76.123.108 0:0:0:0:0:ffff:414c:7b6c
65.76.123.109 0:0:0:0:0:ffff:414c:7b6d
65.76.123.110 0:0:0:0:0:ffff:414c:7b6e
65.76.123.111 0:0:0:0:0:ffff:414c:7b6f
65.76.123.112 0:0:0:0:0:ffff:414c:7b70
65.76.123.113 0:0:0:0:0:ffff:414c:7b71
65.76.123.114 0:0:0:0:0:ffff:414c:7b72
65.76.123.115 0:0:0:0:0:ffff:414c:7b73
65.76.123.116 0:0:0:0:0:ffff:414c:7b74
65.76.123.117 0:0:0:0:0:ffff:414c:7b75
65.76.123.118 0:0:0:0:0:ffff:414c:7b76
65.76.123.119 0:0:0:0:0:ffff:414c:7b77
65.76.123.120 0:0:0:0:0:ffff:414c:7b78


65.76.123.121 0:0:0:0:0:ffff:414c:7b79
65.76.123.122 0:0:0:0:0:ffff:414c:7b7a
65.76.123.123 0:0:0:0:0:ffff:414c:7b7b
65.76.123.124 0:0:0:0:0:ffff:414c:7b7c
65.76.123.125 0:0:0:0:0:ffff:414c:7b7d
65.76.123.126 0:0:0:0:0:ffff:414c:7b7e
65.76.123.127 0:0:0:0:0:ffff:414c:7b7f
65.76.123.128 0:0:0:0:0:ffff:414c:7b80
65.76.123.129 0:0:0:0:0:ffff:414c:7b81
65.76.123.130 0:0:0:0:0:ffff:414c:7b82
65.76.123.131 0:0:0:0:0:ffff:414c:7b83
65.76.123.132 0:0:0:0:0:ffff:414c:7b84
65.76.123.133 0:0:0:0:0:ffff:414c:7b85
65.76.123.134 0:0:0:0:0:ffff:414c:7b86
65.76.123.135 0:0:0:0:0:ffff:414c:7b87
65.76.123.136 0:0:0:0:0:ffff:414c:7b88
65.76.123.137 0:0:0:0:0:ffff:414c:7b89
65.76.123.138 0:0:0:0:0:ffff:414c:7b8a
65.76.123.139 0:0:0:0:0:ffff:414c:7b8b
65.76.123.140 0:0:0:0:0:ffff:414c:7b8c
65.76.123.141 0:0:0:0:0:ffff:414c:7b8d
65.76.123.142 0:0:0:0:0:ffff:414c:7b8e
65.76.123.143 0:0:0:0:0:ffff:414c:7b8f
65.76.123.144 0:0:0:0:0:ffff:414c:7b90
65.76.123.145 0:0:0:0:0:ffff:414c:7b91
65.76.123.146 0:0:0:0:0:ffff:414c:7b92
65.76.123.147 0:0:0:0:0:ffff:414c:7b93
65.76.123.148 0:0:0:0:0:ffff:414c:7b94
65.76.123.149 0:0:0:0:0:ffff:414c:7b95
65.76.123.150 0:0:0:0:0:ffff:414c:7b96
65.76.123.151 0:0:0:0:0:ffff:414c:7b97
65.76.123.152 0:0:0:0:0:ffff:414c:7b98
65.76.123.153 0:0:0:0:0:ffff:414c:7b99
65.76.123.154 0:0:0:0:0:ffff:414c:7b9a
65.76.123.155 0:0:0:0:0:ffff:414c:7b9b
65.76.123.156 0:0:0:0:0:ffff:414c:7b9c
65.76.123.157 0:0:0:0:0:ffff:414c:7b9d
65.76.123.158 0:0:0:0:0:ffff:414c:7b9e
65.76.123.159 0:0:0:0:0:ffff:414c:7b9f
65.76.123.160 0:0:0:0:0:ffff:414c:7ba0
65.76.123.161 0:0:0:0:0:ffff:414c:7ba1
65.76.123.162 0:0:0:0:0:ffff:414c:7ba2
65.76.123.163 0:0:0:0:0:ffff:414c:7ba3
65.76.123.164 0:0:0:0:0:ffff:414c:7ba4
65.76.123.165 0:0:0:0:0:ffff:414c:7ba5
65.76.123.166 0:0:0:0:0:ffff:414c:7ba6
65.76.123.167 0:0:0:0:0:ffff:414c:7ba7
65.76.123.168 0:0:0:0:0:ffff:414c:7ba8
65.76.123.169 0:0:0:0:0:ffff:414c:7ba9
65.76.123.170 0:0:0:0:0:ffff:414c:7baa
65.76.123.171 0:0:0:0:0:ffff:414c:7bab
65.76.123.172 0:0:0:0:0:ffff:414c:7bac
65.76.123.173 0:0:0:0:0:ffff:414c:7bad
65.76.123.174 0:0:0:0:0:ffff:414c:7bae
65.76.123.175 0:0:0:0:0:ffff:414c:7baf
65.76.123.176 0:0:0:0:0:ffff:414c:7bb0
65.76.123.177 0:0:0:0:0:ffff:414c:7bb1
65.76.123.178 0:0:0:0:0:ffff:414c:7bb2
65.76.123.179 0:0:0:0:0:ffff:414c:7bb3
65.76.123.180 0:0:0:0:0:ffff:414c:7bb4


65.76.123.181 0:0:0:0:0:ffff:414c:7bb5
65.76.123.182 0:0:0:0:0:ffff:414c:7bb6
65.76.123.183 0:0:0:0:0:ffff:414c:7bb7
65.76.123.184 0:0:0:0:0:ffff:414c:7bb8
65.76.123.185 0:0:0:0:0:ffff:414c:7bb9
65.76.123.186 0:0:0:0:0:ffff:414c:7bba
65.76.123.187 0:0:0:0:0:ffff:414c:7bbb
65.76.123.188 0:0:0:0:0:ffff:414c:7bbc
65.76.123.189 0:0:0:0:0:ffff:414c:7bbd
65.76.123.190 0:0:0:0:0:ffff:414c:7bbe
65.76.123.191 0:0:0:0:0:ffff:414c:7bbf
65.76.123.192 0:0:0:0:0:ffff:414c:7bc0
65.76.123.193 0:0:0:0:0:ffff:414c:7bc1
65.76.123.194 0:0:0:0:0:ffff:414c:7bc2
65.76.123.195 0:0:0:0:0:ffff:414c:7bc3
65.76.123.196 0:0:0:0:0:ffff:414c:7bc4
65.76.123.197 0:0:0:0:0:ffff:414c:7bc5
65.76.123.198 0:0:0:0:0:ffff:414c:7bc6
65.76.123.199 0:0:0:0:0:ffff:414c:7bc7
65.76.123.200 0:0:0:0:0:ffff:414c:7bc8
65.76.123.201 0:0:0:0:0:ffff:414c:7bc9
65.76.123.202 0:0:0:0:0:ffff:414c:7bca
65.76.123.203 0:0:0:0:0:ffff:414c:7bcb
65.76.123.204 0:0:0:0:0:ffff:414c:7bcc
65.76.123.205 0:0:0:0:0:ffff:414c:7bcd
65.76.123.206 0:0:0:0:0:ffff:414c:7bce
65.76.123.207 0:0:0:0:0:ffff:414c:7bcf
65.76.123.208 0:0:0:0:0:ffff:414c:7bd0
65.76.123.209 0:0:0:0:0:ffff:414c:7bd1
65.76.123.210 0:0:0:0:0:ffff:414c:7bd2
65.76.123.211 0:0:0:0:0:ffff:414c:7bd3
65.76.123.212 0:0:0:0:0:ffff:414c:7bd4
65.76.123.213 0:0:0:0:0:ffff:414c:7bd5
65.76.123.214 0:0:0:0:0:ffff:414c:7bd6
65.76.123.215 0:0:0:0:0:ffff:414c:7bd7
65.76.123.216 0:0:0:0:0:ffff:414c:7bd8
65.76.123.217 0:0:0:0:0:ffff:414c:7bd9
65.76.123.218 0:0:0:0:0:ffff:414c:7bda
65.76.123.219 0:0:0:0:0:ffff:414c:7bdb
65.76.123.220 0:0:0:0:0:ffff:414c:7bdc
65.76.123.221 0:0:0:0:0:ffff:414c:7bdd
65.76.123.222 0:0:0:0:0:ffff:414c:7bde
65.76.123.223 0:0:0:0:0:ffff:414c:7bdf
65.76.123.224 0:0:0:0:0:ffff:414c:7be0
65.76.123.225 0:0:0:0:0:ffff:414c:7be1
65.76.123.226 0:0:0:0:0:ffff:414c:7be2
65.76.123.227 0:0:0:0:0:ffff:414c:7be3
65.76.123.228 0:0:0:0:0:ffff:414c:7be4
65.76.123.229 0:0:0:0:0:ffff:414c:7be5
65.76.123.230 0:0:0:0:0:ffff:414c:7be6
65.76.123.231 0:0:0:0:0:ffff:414c:7be7
65.76.123.232 0:0:0:0:0:ffff:414c:7be8
65.76.123.233 0:0:0:0:0:ffff:414c:7be9
65.76.123.234 0:0:0:0:0:ffff:414c:7bea
65.76.123.235 0:0:0:0:0:ffff:414c:7beb
65.76.123.236 0:0:0:0:0:ffff:414c:7bec
65.76.123.237 0:0:0:0:0:ffff:414c:7bed
65.76.123.238 0:0:0:0:0:ffff:414c:7bee
65.76.123.239 0:0:0:0:0:ffff:414c:7bef
65.76.123.240 0:0:0:0:0:ffff:414c:7bf0
65.76.123.241 0:0:0:0:0:ffff:414c:7bf1
65.76.123.242 0:0:0:0:0:ffff:414c:7bf2
65.76.123.243 0:0:0:0:0:ffff:414c:7bf3
65.76.123.244 0:0:0:0:0:ffff:414c:7bf4
65.76.123.245 0:0:0:0:0:ffff:414c:7bf5
65.76.123.246 0:0:0:0:0:ffff:414c:7bf6
65.76.123.247 0:0:0:0:0:ffff:414c:7bf7
65.76.123.248 0:0:0:0:0:ffff:414c:7bf8
65.76.123.249 0:0:0:0:0:ffff:414c:7bf9
65.76.123.250 0:0:0:0:0:ffff:414c:7bfa
65.76.123.251 0:0:0:0:0:ffff:414c:7bfb
65.76.123.252 0:0:0:0:0:ffff:414c:7bfc
65.76.123.253 0:0:0:0:0:ffff:414c:7bfd
65.76.123.254 0:0:0:0:0:ffff:414c:7bfe
65.76.123.255 0:0:0:0:0:ffff:414c: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.