MAC Address Lookup

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


Avaya Inc

MAC prefix: D4:78:56

Vendor name: Avaya Inc

MAC range: D4:78:56:00:00:00 - D4:78:56:FF:FF:FF

Block Size: 16777215 (16.77 M)


360 Mt Kemble Ave
Morristown NJ 07960

Type MA-L

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

Initial registration: 17 November 2015

Last updated: 29 March 2017

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