Difference between revisions of "Autonomous System Numbers"
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| − | + | '''Autonomous System Numbers (ASN)''' are globally unique numbers and significant part of the Internet routing architecture known as the [[Autonomous System]]. Autonomous System Numbers are taken from a 16-bit number field. There are reserved ASNs, including 0 and 65,535, which can be used to identify non-routed networks. ASNs starting from 64,512 up to 65,534 are reserved for private use while the ASN 23,456 is dedicated to be used in the ASN pool transition.<ref> | |
[http://www.cisco.com/web/about/ac123/ac147/archived_issues/ipj_9-1/autonomous_system_numbers.html Exploring Autonomous System Numbers]</ref> This means that the available quantity of ASNs for Internet routing is limited. | [http://www.cisco.com/web/about/ac123/ac147/archived_issues/ipj_9-1/autonomous_system_numbers.html Exploring Autonomous System Numbers]</ref> This means that the available quantity of ASNs for Internet routing is limited. | ||
Revision as of 16:29, 18 May 2016
Autonomous System Numbers (ASN) are globally unique numbers and significant part of the Internet routing architecture known as the Autonomous System. Autonomous System Numbers are taken from a 16-bit number field. There are reserved ASNs, including 0 and 65,535, which can be used to identify non-routed networks. ASNs starting from 64,512 up to 65,534 are reserved for private use while the ASN 23,456 is dedicated to be used in the ASN pool transition.[1] This means that the available quantity of ASNs for Internet routing is limited.