Ping iPhone address, response is off [closed]

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I try ping to iPhone address with shell (on mac osx), but if iPhone is in standby after 3 min the result is: no Ping, iPhone is offline!

How I check if iPhone is online on my network?

Answer 1

How I check if iPhone is online on my network?

E.g.

arp -a

or

ping "$ip"

Combine it with a loop maybe.