MAC Address Lookup

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


Open Networks Engineering Ltd

MAC prefix: 00:0C:EF

Vendor name: Open Networks Engineering Ltd

MAC range: 00:0C:EF:00:00:00 - 00:0C:EF:FF:FF:FF

Block Size: 16777215 (16.77 M)


Classic House
Bishop's Stortford Hertfordshire CM23 5PD

Type MA-L

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

Initial registration: 11 April 2003

Last updated: 17 November 2015

Country GB map