How can I fix display same device 4 times

Elvera

I just rebuild Orion new instance 2020.2.1 to replaced the old 2019 server. I notice that upon discovery of the IP's Orion Managed Node Displaying same device multiple times (ex WAP01)devices. If there are 4 display with the same name and same IP's and I deleted the three device with the same name it will delete all. Not sure if there's a quick maintenance to get this things fix PrepaidGiftBalance. 

Here's the Managed node display:

xxxwap01.xx.xx.com xx.xx.xx.213
xxxwap01.xx.xx.com xx.xx.xx.213
xxxwap01.xx.xx.com xx.xx.xx.213
xxxwap01.xx.xx.com xx.xx.xx.213

Thanks in advance.