You are looking for something on the Internet.
.Net is not an anagram. It simply is the trademark name of a family of technologies from Microsoft.
The definition for surfing is: the act or sport of riding the surf particularly on a board.
network
When searching for information or similar activity-gathering actions while utilizing the internet, an individual or small gathering of people might say this expression to each other or to others...
The balance due on your bill. In other words, your entire bill must be paid within 30 days.