What does this mean?

[ignoramus]

Judi, no-one is saying that this is related to wifi.

Is that ip the ip of your router itself?
Jump on the net and type whastismyip.

That is the ip of your router, not wifi.
Everybody's router is live to the world.
People do it to see what ports you have open for a variety of reasons, none of them good.
I can view my home sec cameras on my phone from the net.
That another port open which people may try to access.