Similar to アラートループ事件
 - .na.na
 - .nagoya.nagoya
 - .nc.nc
 - .ne.ne
 - Net City
 - NetvibesNetvibes
 - .nf.nf
 - .ng.ng
 - .ni.ni
 - .nl.nl
 - .nr.nr
 - .nu.nu
 - Office OnlineOffice on the web
 - OkCupidOkCupid
 - OneWebDayOne Web Day▲1 trends
 - OpenBSD JournalOpenBSD Journal
 - OpenSearchOpenSearch (specification)
- OpenWeatherMapOpenWeatherMap
 - OSDN Magazine
 - P2PウェブホスティングPeer-to-peer web hosting
 - .pa.pa
- PastebinPastebin
 - Pathtraq
 - PC等 (2ちゃんねる・5ちゃんねるカテゴリ)Animutation
 - PDF.jsPDF.js
 - .pe.pe
 - .pg.pg
 - Ping (ブログ)Ping (blogging)