04:57:91 Shenzhenshi Xinzhongxin Technology Co.Ltd
Every MAC address from 04:57:91:00:00:00 to 04:57:91:FF:FF:FF belongs to a block the IEEE assigned to Shenzhenshi Xinzhongxin Technology Co.Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 04:57:91 belongs to
Written 04:57:91, 04-57-91 or 045791, depending on the system. Look up a full address.
Prefix
04:57:91
Organization
Shenzhenshi Xinzhongxin Technology Co.Ltd
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
04:57:91:00:00:00
Last address
04:57:91:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Block 3, Dong Huan Industrial Park, Sha Jing Town, Bao’an District, Shenzhen City, Guangdong Province, China ShenZHEN GuangDong CN 518104