MAC Address Lookup

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

ASCEND COMMUNICATIONS, INC.

Unique prefixes: 2

Block Size: 33554430 (33.55 M)

First registration: 22 April 1998

Last updated: 17 November 2015

Types

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

MAC Prefix	Type	Registration Date
00:C0:7B	MA-L	1998-04-22
00:D0:52	MA-L	2000-11-09