For more information, please visit the following pages:

• Firefox
• Mozilla Foundation
• Gecko

Latest user agents (if you are looking for complete list, download it here):

• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.214.20.101]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0\
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.216.220.101]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 11_0_6; rv:121.0) Gecko/20010101 Firefox/121.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_4; rv:121.0) Gecko/20000101 Firefox/121.0
• Mozilla/5.0 (X11; U; Linux x86_64) Gecko/20062904 Firefox/121.0
• Mozilla/5.0 (Android 14; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:151.47.53.184]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.214.20.217]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.214.20.219]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:138.199.33.237]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.108.229.253]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:138.199.33.238]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.214.20.218]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:138.199.33.241]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.214.20.253]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.216.220.105]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.108.229.243]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.108.229.247]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:201.87.26.237]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:31.130.161.180]
• Mozilla/5.0 (Android 11; Mobile; rv:121.0) Gecko/125.0 Firefox/121.0
• Mozilla/5.0 (Android 12; Mobile; rv:121.0) Gecko/125.0 Firefox/121.0
• Mozilla/5.0 (Android 13; Mobile; rv:121.0) Gecko/125.0 Firefox/121.0
• Mozilla/5.0 (Android 9; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:151.28.172.249]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.214.20.216]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.214.20.102]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.108.229.22]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.214.20.220]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.214.20.215]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10_2_7; rv:121.0) Gecko/20110101 Firefox/121.0
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.214.20.106]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:203.201.175.35]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:78.210.25.180]
• Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:121.0) Gecko/20010101 Firefox/121.0
• Mozilla/5.0 (Android 7.0; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:151.18.46.237]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_1; rv:121.0) Gecko/20000101 Firefox/121.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 11_17_6; rv:121.0esr) Gecko/20010101 Firefox/121.0esr
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5; rv:121.0) Gecko/20110101 Firefox/121.0
• Mozilla/5.0 (Android 14; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:46.123.246.236]
• Mozilla/5.0 (Android 14; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:46.123.245.233]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:93.37.168.97]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:81.244.90.51]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:194.34.233.168]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:193.42.96.22]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:95.214.217.93]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:45.132.159.231]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:138.199.16.94]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:87.15.217.239]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:185.207.249.209]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:45.11.80.152]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:57.133.22.162]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:194.34.233.231]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:45.155.42.250]
• Mozilla/5.0 (Windows NT 10.0; Win64; rv:121.0) Gecko/20100101 Firefox/121.0
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:130.185.116.142]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:212.103.61.172]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:93.44.81.35]
• Mozilla/5.0 (Android 11.1; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:5.182.16.140]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:88.209.77.33]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:151.43.164.120]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:193.203.13.16]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:185.158.242.164]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:2.58.73.251]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:88.117.9.219]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:185.207.249.22]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:172.93.132.143]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:82.48.68.13]
• Mozilla/5.0 (Android 14; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:149.224.33.201]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:45.11.80.39]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.107.197.9]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:80.23.108.248]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:181.215.195.88]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.107.197.6]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:192.145.117.87]
• Mozilla/5.0 (Windows NT 10.0; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:103.107.197.5]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:72.76.87.148]
• Mozilla/5.0 (Android 13; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:78.240.27.113]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:93.44.88.23]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:185.243.57.199]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:93.34.80.131]
• Mozilla/5.0 (Android 13; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:78.240.228.150]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:151.42.184.120]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:93.139.234.28]
• Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:181.215.195.8]
• Mozilla/5.0 (Android 12; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:78.210.130.207]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:93.137.196.8]
• Mozilla/5.0 (Android 13; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:78.240.32.82]
• Mozilla/5.0 (Android 13; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:78.240.223.96]
• Mozilla/5.0 (Android 13; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:78.240.231.190]
• Mozilla/5.0 (Android 12; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:93.49.247.90]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:212.171.173.189]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:95.236.231.205]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:91.11.153.169]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:174.89.96.131]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:46.125.249.53]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:109.117.78.183]
• Mozilla/5.0 (Android 13; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:37.165.209.8]
• Mozilla/5.0 (Android 12; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0 [ip:109.53.209.149]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 [ip:62.133.156.130]