Latest Firefox 55 user agents:

User Agent Platform Device
Mozilla/5.01732016 Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:55.0) Gecko/20100101 Firefox/55.0 Windows 7 Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0 [ip:62.235.143.111] Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux armv7l; rv:55.0) Gecko/20100101 Firefox/55.0 Ubuntu Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:55.0.2) Gecko/20100101 Firefox/55.0.2 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20220101 Firefox/55.0 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:55.52) Gecko/20100101 Firefox/55.52 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:55.45.2) Gecko/20100101 Firefox/55.45.2 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:55.44.2) Gecko/20100101 Firefox/55.44.2 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:55.37) Gecko/20100101 Firefox/55.37 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux i686 on x86_64; rv:55.0.2) Gecko/20100101 Firefox/55.0.2 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux i686 on x86_64; rv:55.0.1) Gecko/20100101 Firefox/55.0.1 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux i686 on x86_64; rv:55.0) Gecko/20100101 Firefox/55.0 GNU/Linux Unknown
Mozilla/5.0 (X11; FreeBSD amd64; rv:55.0) Gecko/20100101 Firefox/55.0 FreeBSD Unknown
Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0 Fedora Unknown
Mozilla/5.0 (X11; Arch Linux; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0 Arch Linux Unknown
Mozilla/5.0 (Windows; Windows NT 6.3; WOW64; en-US) Gecko/20100101 Firefox/55.5 Windows 8 Unknown
Mozilla/5.0 (Windows; Windows NT 10.0; x64; en-US) Gecko/20100101 Firefox/55.1 Windows 10 Unknown
Mozilla/5.0 (Windows; U; Windows NT 6.2; Win64; x64; en-US) Gecko/20100101 Firefox/55.5 Windows 8 Unknown
Mozilla/5.0 (Windows; U; Windows NT 6.2; de; rv:1.9.2.6) Gecko/20100625 Firefox/55.0.3 (x86 en-US) Anonymisiert durch AlMiSoft Browser-Maulkorb 31985667 Windows 8 Unknown
Mozilla/5.0 (Windows; U; Windows NT 10.4; WOW64) Gecko/20100101 Firefox/55.2 Windows NT Unknown