Aggressive OS guesses: Linux 3.2 - 3.8 (96%), Linux 3.11 - 4.1 (95%), Linux 4.4 (95%), Linux 2.6.32 - 2.6.33 (94%), Linux 3.10 - 4.11 (92%), Linux 3.10 - 3.12 (92%), OpenWrt Designated Driver (Linux 4.4) (92%), Linux 2.6.32 (91%), Grandstream GXV3275 video phone (91%), Linux 3.3 (91%)