I received a bunch of calls from various numbers recently ... this was one of the callers. No idea who they are. They left no message. Web search is not helpful with any info other than the call originates from Nassau NY.
I have also been receiving calls from 516-246-7122. Same experience. I answer and the call disconnects. The call stops when the answering machine is answering the call. More crappy scammers. I get so tired of them.