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Tag Archives: bgp 4byte asn

BGP 4-Byte ASN

The internet growth is awesome, day by day people recognizes how¬† internet is important in their daily personal¬† and business life and even for their culture, so the internet has a good bit of newbie everyday which depleted some internet resources such as IPv4 address space and the BGP AS numbers (IPv4 exhaustion dilemma is more severe than the BGP ASN dilemma). The BGP AS number space is a finite amount of address space. It is defined as a 16 bit integer and hence limited to 65535 unique AS numbers. Not all can be used!! Out of the AS number …

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