Latest Ubuntu 8 user agents:

User Agent Browser Device
Mozilla/5.0 (X11; U; Linux x86_64; zh-TW; rv:1.9.0.8) Gecko/2009032712 Ubuntu/8.04 (hardy) Firefox/3.0.8 GTB5 Firefox 3 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; sv-SE; rv:1.9.0.7) Gecko/2009030423 Ubuntu/8.10 (intrepid) Firefox/3.0.7 Firefox 3 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; it; rv:1.9.0.6) Gecko/2009020911 Ubuntu/8.10 (intrepid) Firefox/52.7.4 Firefox 52 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; it; rv:1.9.0.6) Gecko/2009020911 Ubuntu/8.10 (intrepid) Firefox/3.0.6 Firefox 3 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; it; rv:1.9.0.3) Gecko/2008092510 Ubuntu/8.04 (hardy) Firefox/54.0 Firefox 54 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; it; rv:1.9.0.3) Gecko/2008092510 Ubuntu/8.04 (hardy) Firefox/3.0.3 Firefox 3 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; it; rv:1.9.0.14) Gecko/2009090216 Ubuntu/8.04 (hardy) Firefox/52.6.0 Firefox 52 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; fr; rv:1.9.0.2) Gecko/2008092213 Ubuntu/8.04 (hardy) Firefox/52.7.3 Firefox 52 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; fr; rv:1.9.0.14) Gecko/2009090216 Ubuntu/8.04 (hardy) Firefox/54.0 Firefox 54 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; es-AR; rv:1.9) Gecko/2008061015 Ubuntu/8.04 (hardy) Firefox/52.7.0 Firefox 52 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; es-AR; rv:1.9) Gecko/2008061015 Ubuntu/8.04 (hardy) Firefox/3.0 Firefox 3 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.14pre) Gecko/20110111 Ubuntu/8.04 (hardy) Namoroka/3.6.14pre Firefox 3 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.8) Gecko/2009032712 Ubuntu/8.10 (intrepid) Firefox/50.0.2 Firefox 50 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.6) Gecko/2009020911 Ubuntu/8.10 (intrepid) Minefield/3.0 MEGAUPLOAD 2.0 Firefox 3 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.3) Gecko/2008092510 Ubuntu/8.04 (hardy) Firefox/52.6.0 Firefox 52 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.3) Gecko/2008092510 Ubuntu/8.04 (hardy) Firefox/50.0.2 Firefox 50 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.17) Gecko/2010010604 Ubuntu/8.04 (hardy) Firefox/3.0.17 Firefox 3 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.12) Gecko/2009070818 Ubuntu/8.10 (intrepid) Firefox/51.0.1 Firefox 51 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8.1.16) Gecko/20080718 Ubuntu/8.04 (hardy) Firefox/54.0 Firefox 54 Unknown
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8.1.15) Gecko/20080702 Ubuntu/8.04 (hardy) Firefox/50.0.2 Firefox 50 Unknown