Administrators can see more, but a cross reference of the IP logs indicates the following have posted from this or a similar IP...

Guests:  zephyr,  Siesta,  Jimena,  enigma,  hiker,  Anh Chovy,  Go the distance,  polarbear-,  trail rat,  yet another observer,  jose average,  \,  Fernando's Hideaway

Users:   Guest(s),  polarbear,  chris_c