I'm sorry for being a total noob (this is my first post actually), but I'm not 100% sure what this does. I enter my IP range and it will alert me if it show u

I'm sorry for being a total noob (this is my first post actually), but I'm not 100% sure what this does. I enter my IP range and it will alert me if it show up in a twitter post somewhere? Sorry, I couldn't find any documentation that clarified it.