@misc{rfc5668,
    series =    {Request for Comments},
    number =    5668,
    howpublished =  {RFC 5668},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC5668},
    url =       {https://www.rfc-editor.org/info/rfc5668},
    author =    {Dan Tappan and Yakov Rekhter and Srihari R. Sangli},
    title =     {{4-Octet AS Specific BGP Extended Community}},
    pagetotal = 5,
    year =      2009,
    month =     oct,
    abstract =  {This document defines a new type of a BGP extended community, which carries a 4-octet Autonomous System (AS) number. {[}STANDARDS-TRACK{]}},
}