MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Rudolf Riester GmbH
MAC address prefix 8C:1F:64:27:A is registered to Rudolf Riester GmbH, located at P.O. Box 35 Bruckstrasse 31Jungingen 72417DE.
This registration is classified as MA-S (Mac Address Block Small, formerly known as OUI-36) containing approximately 4096 MAC addresses per block
The prefix was registered on 20 January 2026, and no subsequent updates have been recorded.
OUI: 8C:1F:64:27:A
Vendor name: Rudolf Riester GmbH
Address:
Assignment Type MA-S P.O. Box 35 Bruckstrasse 31
Jungingen 72417
DE.
Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)
Initial registration: 20 January 2026
