An IP Address (Internet Protocol Address) is a unique numerical address assigned to devices connected to the internet. It serves as an identifier for communication between devices.
Public IP Address
Public IP addresses are provided by Internet Service Providers (ISPs) and are visible on the global internet. Example: 123.45.67.89
Private IP Address
Private IP addresses are used within a local network and are not accessible from the internet. Example: 192.168.x.x
IPv4 and IPv6
- IPv4: 32-bit address (e.g., 192.168.0.1)
- IPv6: 128-bit address supporting more devices (e.g., 2001:0db8::1)