MAC Address Lookup

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


Fitbit, Inc.

MAC prefix: 58:A8:7B

Vendor name: Fitbit, Inc.

MAC range: 58:A8:7B:00:00:00 - 58:A8:7B:FF:FF:FF

Block Size: 16777215 (16.77 M)


199 Fremont Street
14th Fl
San Francisco CA 94105

Type MA-L

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

Initial registration: 22 February 2020

Country US map