Network monitoring is their biggest product. Compared to other solutions they do have just about the best product if you need a web GUI to point to and say this

Network monitoring is their biggest product. Compared to other solutions they do have just about the best product if you need a web GUI to point to and say this is whats going on right now. I'm sure 100% of small ISPs use them as well as anyone that runs a decent size Network ex. Schools, Universities.