@techreport{howard-sunset4-v4historic-00,
    number =    {draft-howard-sunset4-v4historic-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-howard-sunset4-v4historic/00/},
    author =    {Lee Howard},
    title =     {{IPv4 Declared Historic}},
    pagetotal = 4,
    year =      2016,
    month =     mar,
    day =       14,
    abstract =  {IPv4 has been superseded by IPv6, and is therefore Historic.},
}