MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Crystal Group, Inc.
OUI prefix: 00:91:D6
Vendor name: Crystal Group, Inc.
850 Kacena Rd.
Hiawatha IA 52233
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 14 October 2002