00:21:3F A-Team Technology Ltd.
Every MAC address from 00:21:3F:00:00:00 to 00:21:3F:FF:FF:FF belongs to a block the IEEE assigned to A-Team Technology Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:3F belongs to
Written 00:21:3F, 00-21-3F or 00213F, depending on the system. Look up a full address.
Prefix
00:21:3F
Organization
A-Team Technology Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:3F:00:00:00
Last address
00:21:3F:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Rm. 1608, 16/F., Metropole Square, New Territories, HK