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 (Android 6.0; Mobile; rv:127.0) Gecko/127.0 Firefox/127.0 [ip:5.91.82.49]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:95.223.72.140]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:93.200.163.41]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:89.97.34.6]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:79.32.203.30]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:31.33.165.178]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:127.0) Gecko/20100101 Firefox/127.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:127.0) Gecko/20100101 Firefox/127.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:101.56.10.162]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:95.223.72.128]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:46.113.14.6]
• Mozilla/5.0 (Windows NT 6.2; WOW64; x64; rv:127.0) Gecko/20010101 Firefox/127.0
• Mozilla/5.0 (Windows NT 6.3; WOW64; rv:127.0) Gecko/20000101 Firefox/127.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:79.107.1.56]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:93.65.245.147]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:109.116.241.106]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:151.47.194.153]
• Mozilla/5.0 (X11; Linux x86_64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:193.83.190.87]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:93.47.123.41]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:46.5.228.189]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:84.168.184.194]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:80.181.83.175]
• Mozilla/5.0 (Android 11; Mobile; rv:127.0) Gecko/127.0 Firefox/127.0 [ip:193.207.142.8]
• Mozilla/5.0 (Android 10.2; Mobile; 100003562; rv:127.0esr) Gecko/127.0esr Firefox/127.0esr
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:93.65.245.89]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:50.48.72.75]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:95.223.72.127]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:178.66.157.93]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:212.33.79.111]
• Mozilla/5.0 (X11; Linux x86_64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:185.204.1.186]
• Mozilla/5.0 (Android 11; Mobile; rv:127.0) Gecko/127.0 Firefox/127.0 [ip:193.207.187.113]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:95.250.96.97]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:87.12.217.222]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:201.177.32.91]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:158.47.244.60]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:46.11.244.225]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:37.207.235.194]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:93.146.169.178]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:146.241.152.207]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:62.18.34.131]
• Mozilla/5.0 (Android 10; Mobile; rv:127.0) Gecko/127.0 Firefox/127.0 [ip:95.239.184.35]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:99.247.25.10]
• Mozilla/5.0 (Android 6.0.1; Mobile; rv:127.0) Gecko/127.0 Firefox/127.0 [ip:92.249.225.106]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:2.34.31.95]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:99.127.77.214]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:86.121.138.84]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:62.18.177.43]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:177.236.35.151]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:151.19.27.101]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:93.44.194.222]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:62.18.33.191]
• Mozilla/5.0 (Android 14; Mobile; rv:127.0) Gecko/127.0 Firefox/127.0 [ip:217.140.211.230]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:151.82.4.144]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:88.241.82.222]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:151.47.165.12]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:151.57.218.197]
• Mozilla/5.0 (Android 14; Mobile; rv:127.0) Gecko/127.0 Firefox/127.0 [ip:37.163.173.52]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:191.19.119.104]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:37.100.34.105]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:84.33.108.187]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:62.18.154.183]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:209.198.137.209]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 LikeWise/95.6.5696.53
• Mozilla/5.0 (Android 13; Mobile; rv:127.0) Gecko/127.0 Firefox/127.0 [ip:174.192.134.255]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:87.13.128.250]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:88.147.63.201]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:94.70.153.39]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:146.241.155.239]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:186.195.235.35]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:151.19.113.154]
• Mozilla/5.0 (Android 6.0.1; Mobile; rv:127.0) Gecko/127.0 Firefox/127.0 [ip:94.21.123.54]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:5.12.64.160]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:93.37.192.27]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:153.142.24.209]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:62.18.153.156]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:151.62.232.235]
• Mozilla/5.0 (Android 12; Mobile; rv:127.0) Gecko/127.0 Firefox/127.0 [ip:5.90.5.29]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:145.224.81.133]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:151.72.112.113]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:81.56.82.177]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:80.248.219.130]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:37.100.223.72]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:146.241.132.155]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 Config/91.2.2280.15
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:91.218.69.53]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:179.186.222.172]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:78.209.39.141]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:217.171.66.225]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:188.156.136.177]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 Agency/98.8.7819.76
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:37.201.196.194]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:161.38.222.234]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:109.52.142.31]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:95.232.21.74]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:146.241.154.247]
• Mozilla/5.0 (Windows NT 10.0; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:78.208.213.6]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:93.65.246.99]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:194.116.86.50]
• Mozilla/5.0 (Android 12; Mobile; rv:127.0) Gecko/127.0 Firefox/127.0 [ip:5.90.192.111]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 [ip:79.37.24.208]