Tag: IP address range
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IP Stack : Loopback
The loopback interface is a fundamental component of the IP stack, enabling internal network communications within a device. It provides a mechanism for testing and debugging network services without requiring physical network hardware. The loopback interface is identified by the IP address 127.0.0.1 for IPv4 and ::1 for IPv6, both of which are reserved specifically…
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CIDR Block
A Classless Inter-Domain Routing (CIDR) block is a method for allocating and managing IP addresses in a flexible manner, reducing wastage of IP space. In cloud environments like AWS, CIDR blocks define the range of IP addresses that can be allocated to resources within a Virtual Private Cloud (VPC) or subnet. Mastering CIDR configuration is…