00:80:E9 Madge Ltd.
Every MAC address from 00:80:E9:00:00:00 to 00:80:E9:FF:FF:FF belongs to a block the IEEE assigned to Madge Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:80:E9 belongs to
Written 00:80:E9, 00-80-E9 or 0080E9, depending on the system. Look up a full address.
Prefix
00:80:E9
Organization
Madge Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:80:E9:00:00:00
Last address
00:80:E9:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Madge House Maindenhead Berkshire GB SL6 2HP