00:04:7F Chr. Mayr GmbH & Co. KG
Every MAC address from 00:04:7F:00:00:00 to 00:04:7F:FF:FF:FF belongs to a block the IEEE assigned to Chr. Mayr GmbH & Co. KG. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:04:7F belongs to
Written 00:04:7F, 00-04-7F or 00047F, depending on the system. Look up a full address.
Prefix
00:04:7F
Organization
Chr. Mayr GmbH & Co. KG
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:04:7F:00:00:00
Last address
00:04:7F:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Eichenstraße 1 DE