Who recognizes this thing? I hear I can scan for open tcp and udp ports on an Isp using cmd command.

have you tried using Nmap

Not yet, but I have it. Thou never found any working open port.

Thats because they r filtered

Uuummm… Actually with that portqry.exe, scanned from 1 to almost 50000 tcp ports and very few were filtered.
95 % were not listening… And just few listening, but sijui no services gani. There was no Internet service.