LANS

Set to 2 different clues across 3 published puzzles, most often “Telecom hookups” — The New York Times, Friday, 8 July 2011.

4 letters

Every clue on record, most used first

Telecom hookups2 times
The New York Times — Friday, 8 July 2011
They serve many computer clients: Abbr.once
The New York Times — Saturday, 11 December 2004