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 11; Mobile; rv:137.0) Gecko/13303505 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/17649418 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/15281561 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/21332349 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/27868779 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/16379477 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/23308032 Firefox/137.0 [ip:181.9.227.246]
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/10981349 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/15190387 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/29315747 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/23907164 Firefox/137.0 [ip:151.82.43.249]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.0) Gecko/20100101 Firefox/137.0 [ip:87.97.231.97]
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/137.0 Firefox/137.0 [ip:83.225.12.135]
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/12317936 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/26620746 Firefox/137.0 [ip:176.200.150.127]
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/28801556 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/22014306 Firefox/137.0 [ip:46.126.80.105]
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/12820220 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/12191883 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/27295089 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/11714776 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/19708662 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/19100340 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/15368132 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/12181211 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/15521546 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/26777475 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/27566492 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/28534264 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/29030348 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/14505960 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/21424794 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/20283558 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/10638708 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/10335015 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/29819318 Firefox/137.0 [ip:78.209.119.231]
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/17586547 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/11947511 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/14391168 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/19824774 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/21895364 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/10727964 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/23211821 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/19514960 Firefox/137.0 [ip:45.232.153.152]
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/14258492 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/18232836 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/27399880 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/23120036 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/15515311 Firefox/137.0 [ip:5.91.52.224]
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/23218079 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/22599831 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/20377415 Firefox/137.0 [ip:78.208.55.194]
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/20480350 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/27887577 Firefox/137.0
• Mozilla/5.0 (X11; Linux x86_64; rv:137.0) Gecko/20100101 Firefox/137.0 [ip:51.159.105.45]
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/27909967 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/12497585 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/22848098 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/23203152 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/20372789 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/20086669 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/11566859 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/11113232 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/22882171 Firefox/137.0 [ip:151.26.74.163]
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/23870225 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/18239617 Firefox/137.0 [ip:37.161.228.99]
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/26280078 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/17046861 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/29599043 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/15811726 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/25930098 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/14811856 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/11967114 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/29965515 Firefox/137.0 [ip:37.161.32.16]
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/23432299 Firefox/137.0 [ip:78.211.57.54]
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/29270481 Firefox/137.0 [ip:5.90.23.80]
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/24993362 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/22331068 Firefox/137.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.0.0) Gecko/20100101 Firefox/137.0.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/11894445 Firefox/137.0 [ip:176.201.158.186]
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/29047070 Firefox/137.0 [ip:93.47.121.24]
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/24023572 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/20801579 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/15364429 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/15182660 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/28169349 Firefox/137.0 [ip:178.249.206.252]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.0) Gecko/20100101 Firefox/137.0 [ip:5.53.137.93]
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/11350920 Firefox/137.0 [ip:93.44.193.27]
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/15808018 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/24465694 Firefox/137.0 [ip:94.34.235.85]
• Mozilla/5.0 (X11; Linux x86_64; rv:137.0) Gecko/20100101 Firefox/137.0 [ip:79.41.86.62]
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/18481857 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/15654588 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/12513828 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/28903762 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/29252122 Firefox/137.0
• Mozilla/5.0 (X11; Linux x86_64; rv:137.0) Gecko/20100101 Firefox/137.0 [ip:64.18.161.90]
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/15454358 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/22146795 Firefox/137.0 [ip:151.47.157.222]
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/21470723 Firefox/137.0 [ip:37.163.228.131]