Can I expose my IPv4?

Question

Computer networks

What can I do with my PC if I know the IPv4 address?

> ipconfig
DNS-суффикс подключения . . . . . :
Локальный IPv6-адрес канала . . . :  xxxx::xxxx:xxxx:xxxx:xxxx%xx
IPv4-адрес. . . . . . . . . . . . :  192.168.x.x
...

Answer 1

nothing, because this is a local address and can only be accessed from the local network

Answer 2

With this - nothing, because there are a hundred thousand millions of such addresses on the network now. He is not unique.

Answer 3

It was not possible to calculate you by IP.

Answer 4

Evernote?
Google Keep?
Microsoft OneNote?
Something else?
"Notes" is a loose concept .