MAC Address Lookup

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

RATIONAL

OUI: 00:80:EF

Vendor name: RATIONAL

Address:

3320 SCOTT BOULEVARD
SANTA CLARA CA 95054
US.

Assignment Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Last updated: 17 November 2015

Initial registration: 09 November 2000