This number has been calling my mother's telephone in Virginia multiple times a day. When she answers it hangs up. Makes sense if it is looking for fax machines. I called the number to ask them to stop, but their voice mail box is full. Very annoying. No way to reach anyone to tell them to stop calling.
She's researching to see if her phone provider has some way for her to block the phone number.
This number was reflected in a call today. The phone rang, then an annoying loud sound came over the speaker. Left no message, however the name NETPROWN appeared on caller ID.