28:0F:C5 Beijing Leadsec Technology Co., Ltd.
Every MAC address from 28:0F:C5:00:00:00 to 28:0F:C5:FF:FF:FF belongs to a block the IEEE assigned to Beijing Leadsec Technology Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 28:0F:C5 belongs to
Written 28:0F:C5, 28-0F-C5 or 280FC5, depending on the system. Look up a full address.
Prefix
28:0F:C5
Organization
Beijing Leadsec Technology Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
28:0F:C5:00:00:00
Last address
28:0F:C5:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Venus Plaza No.21Zhongguancun Software Park,No.8 Dongbeiwang Xilu, Haidian District Beijing Beijing CN 100193