I'm NAT'd, though with an external IP, so the IP my router sees is not the same as what the world sees--while my ISP did provide me this information in an email

I'm NAT'd, though with an external IP, so the IP my router sees is not the same as what the world sees--while my ISP did provide me this information in an email, it's much faster for me to ask Google or whatnot than to dig the email up.