Latest Firefox 57 user agents:

User Agent Platform Device
Mozilla/5.0184010163 Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0 Windows 7 Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0,gzip(gfe) Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0 [ip:93.41.34.32] Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0 [ip:146.241.4.238] Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0 [ip:146.241.4.214] Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0 [ip:146.241.26.144] Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0 [ip:146.241.12.72] Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0 [ip:146.241.11.28] Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0 [ip:146.241.11.24] Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/57.0.1 E97 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64) Gecko/20100101 Firefox/57.0 Ubuntu Unknown
Mozilla/5.0 (X11; U; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0 GNU/Linux Unknown
Mozilla/5.0 (X11; U; Linux x86_64; nl; rv:57.0) Gecko/20120403211507 Firefox/57.0 GNU/Linux Unknown
Mozilla/5.0 (X11; OpenBSD amd64; rv:57.0) Gecko/20100101 Firefox/57.0 OpenBSD Unknown
Mozilla/5.0 (X11; NetBSD i686; rv:57.0) Gecko/20100101 Firefox/57.0 NetBSD Unknown
Mozilla/5.0 (X11; Linux i686 on x86_64; rv:57.0.1) Gecko/20100101 Firefox/57.0.1 GNU/Linux Unknown
Mozilla/5.0 (X11; FreeBSD amd64; rv:57.0) Gecko/20100101 Firefox/57.0 FreeBSD Unknown
Mozilla/5.0 (X11; DragonFly x86_64; rv:57.0) Gecko/20100101 Firefox/57.0 DragonFly Unknown
Mozilla/5.0 (X11; Debian; Linux x86_64; rv:50.0) Gecko/20100101 Firefox/57.0 Debian Unknown