MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

Hermann Sewerin GmbH

OUI: 70:B3:D5:48:4

Address:

Robert-Bosch-Str. 3
Gütersloh NRW 33334
DE.

Assignment Type MA-S

Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)

Initial registration: 31 March 2020