MAC Address Lookup

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


Gemstone Communications, Inc.

OUI prefix: 00:0B:F9

Vendor name: Gemstone Communications, Inc.


No. 102
Hengyang Rd.
Taipei 100

Assignment Type MA-L

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

Last updated: 17 November 2015

Initial registration: 07 February 2003

MAC Address Vendor Country TW map