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Lots of ARP requests in company

Lots of ARP requests Hello, our company employs 40 computers. We have a Cisco 48 port 2960 Switch. Unfortunately, I noticed on the wireshark that a few ip addresses via ARP request to get an ip address of a host that is not in our network. For example our computers have an ip with the fourth octet starting from 150 to 200, and the computer asks to get the macaddress to an ip address ending in .72. I would like to know why on a Windows 10 computer management is sent to this address x.x.x.72. It is possible that in the past some application related to this ip address was working, but I'm not entirely convinced.