MAC Address Lookup

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

 MAC

HeiSei Electronics

OUI prefix: 00:01:99

Vendor name: HeiSei Electronics

Address:

5/7 Alley 8
Lane 45
TAIWAN
TW.

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: 09 November 2000

MAC Address Vendor Country TW map