MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
ISDN SYSTEMS CORPORATION
OUI: 00:20:69
Vendor name: ISDN SYSTEMS CORPORATION
Address:
Assignment Type MA-L 8320 OLD COURTHOUSE RD.
VIENNA VA 22182
US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 22 April 1998
