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3 Messages

Thu, Jan 9, 2020 9:28 AM

Unknown Devices on Network

this device shows up as

Hangzhou KuoHeng Technology Co.,ltd

with this

MAC Address: 30:FF:F6:27:20:6A

so does anyone know or have this same device on their network? i just blocked it when i was my AT&T site. any advice is appreciated, thanks~


Brand User



108.6K Messages

a month ago

Hi @SouthernBelle1,


We will be happy to help.


This could be a device the is on your network, with a MAC Address 30:FF:F6:27:20:6A. 


Network manufacturer information for the ethernet hardware address including vendor address, url for driver download and internet configuration information.

registered data
Device mac address: 30:FF:F6

Base16 encoding: 30FFF6

registrar name: HangZhou KuoHeng Technology Co.,ltd

registrar address:
No.368, Wangjiali, Chang'ancun Industrial Park, Wenyan Town, Xiaoshan District, Hangzhou, CHina
HangZhou ZheJiang 311258


If you have any additional concerns, please feel free to reach out to us. Thank you for contacting us on AT&T Community Forums!

Lafayette, AT&T Community Specialist

*I am an AT&T employee, and the postings on this site are my own and don't necessarily represent AT&T's position, strategies or opinions.



3 Messages



well i did get that far previously and again i find that "" device is back on my network.

oMg i edited this and it all erased dayuuuuuum~

anyway it says it's a Router, and for some reason i deleted it blocked it and now i can't seem to figure out why. i have a screenshot of it so you can see it. is there any way someone can call me? well let me know thanks again for the help~