54:2A:1B Sonos, Inc.
Every MAC address from 54:2A:1B:00:00:00 to 54:2A:1B:FF:FF:FF belongs to a block the IEEE assigned to Sonos, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 54:2A:1B belongs to
Written 54:2A:1B, 54-2A-1B or 542A1B, depending on the system. Look up a full address.
Prefix
54:2A:1B
Organization
Sonos, Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
54:2A:1B:00:00:00
Last address
54:2A:1B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
301 Coromar Dr Goleta CA US 93117