58:A8:7B Fitbit, Inc.
Every MAC address from 58:A8:7B:00:00:00 to 58:A8:7B:FF:FF:FF belongs to a block the IEEE assigned to Fitbit, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 58:A8:7B belongs to
Written 58:A8:7B, 58-A8-7B or 58A87B, depending on the system. Look up a full address.
Prefix
58:A8:7B
Organization
Fitbit, Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
58:A8:7B:00:00:00
Last address
58:A8:7B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
199 Fremont Street, 14th Fl San Francisco CA US 94105