@techreport{ietf-sunset4-ipv6-ietf-01,
    number =    {draft-ietf-sunset4-ipv6-ietf-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-sunset4-ipv6-ietf/01/},
    author =    {Lee Howard},
    title =     {{IETF: End Work on IPv4}},
    pagetotal = 3,
    year =      2017,
    month =     sep,
    day =       18,
    abstract =  {The IETF will stop working on IPv4, except where needed to mitigate documented security issues, to facilitate the transition to IPv6, or to enable IPv4 decommissioning.},
}