MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
GROTHE GmbH
MAC address prefix 28:B7:7C:5 is registered to GROTHE GmbH, located at Loehestrasse 22Hennef 53773DE.
This registration is classified as MA-M (Mac Address Block Medium) containing approximately 16 million MAC addresses
The prefix was registered on 23 June 2020, and no subsequent updates have been recorded.
OUI: 28:B7:7C:5
Vendor name: GROTHE GmbH
Address:
Assignment Type MA-M Loehestrasse 22
Hennef 53773
DE.
Mac Address Block Medium. Number of address 2^20 (~1 Million)
Initial registration: 23 June 2020
