@misc{rfc7871,
    series =    {Request for Comments},
    number =    7871,
    howpublished =  {RFC 7871},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC7871},
    url =       {https://www.rfc-editor.org/info/rfc7871},
    author =    {Carlo Contavalli and Wilmer van der Gaast and David C Lawrence and Warren "Ace" Kumari},
    title =     {{Client Subnet in DNS Queries}},
    pagetotal = 30,
    year =      2016,
    month =     may,
    abstract =  {This document describes an Extension Mechanisms for DNS (EDNS0) option that is in active use to carry information about the network that originated a DNS query and the network for which the subsequent response can be cached. Since it has some known operational and privacy shortcomings, a revision will be worked through the IETF for improvement.},
}