Latest Firefox 59 user agents:

User Agent Platform Device
Mozilla/5.0(Windows NT 6.1; Win64; rv:25.0)Gecko/20100101 Firefox/59.0 Windows 7 Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:59.0) Gecko/20100101 Firefox/59.0,gzip(gfe) Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:59.0) Gecko/20100101 Firefox/59.0 [ip:151.46.4.118] Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:59.0) Gecko/20100101 Firefox/59.0 [ip:151.18.178.21] Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:44.0) Gecko/20100101 Firefox/59.0 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:59.0) Gecko/20100101 Firefox/59.0,gzip(gfe) Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:59.0) Gecko/20100101 Firefox/59.0 [ip:200.32.46.94] Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux i586) Gecko/20100101 Firefox/59.0 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux i386; rv:59.3) Gecko/20110306 Firefox/59.3 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux aarch64; rv:59.0) Gecko/20100101 Firefox/59.0 Ubuntu Unknown
Mozilla/5.0 (X11; U; DragonFly amd64; en-US; rv:59.0) Gecko/20100101 Firefox/59.0 DragonFly Unknown
Mozilla/5.0 (X11; OpenBSD amd64; rv:59.0) Gecko/20100101 Firefox/59.0 OpenBSD Unknown
Mozilla/5.0 (X11; Linux i686 on x86_64; rv:59.0.2) Gecko/20100101 Firefox/59.0.2 GNU/Linux Unknown
Mozilla/5.0 (X11; FreeBSD i386; rv:59.0) Gecko/20100101 Firefox/59.0 FreeBSD Unknown
Mozilla/5.0 (X11; FreeBSD amd64; rv:59.0) Gecko/20100101 Firefox/59.0 FreeBSD Unknown
Mozilla/5.0 (Windows; Windows NT 10.4; x64) Gecko/20100101 Firefox/59.2 Windows NT Unknown
Mozilla/5.0 (Windows NT 6.3; WOW64; rv:59.0.3) Gecko/20100101 Firefox/59.0.3 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.3; WOW64; rv:59.0) Gecko/20100101 Firefox/59.0,gzip(gfe) Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0,gzip(gfe) Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0 Windows 8 Unknown