What is ASN (Autonomous System Number)?

What is ASN?

ASN (Autonomous System Number) is a unique number that identifies autonomous systems on the internet. Each ASN represents one or more IP address blocks.

How Does ASN Work?

ASNs are used in internet routing using BGP (Border Gateway Protocol). Each autonomous system is identified by its ASN and shares routing information with other systems.

Importance of ASN Information

ASN information shows which organization IP addresses belong to. This information is important for network analysis, security research, and traffic management.

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