MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address prefix 04:EF:61 is registered to Dell Inc., located at One Dell WayRound Rock TX 78682US.
This registration is classified as MA-L (Mac Address Block Large) containing 16,777,216 MAC addresses (2^24)
The prefix was registered on 21 September 2026, and no subsequent updates have been recorded.
OUI: 04:EF:61
Vendor name: Dell Inc.
Address:
Assignment Type MA-L One Dell Way
Round Rock TX 78682
US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 21 September 2026
