38:5C:76 PLANTRONICS, INC.
Every MAC address from 38:5C:76:00:00:00 to 38:5C:76:FF:FF:FF belongs to a block the IEEE assigned to PLANTRONICS, INC.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 38:5C:76 belongs to
Written 38:5C:76, 38-5C-76 or 385C76, depending on the system. Look up a full address.
Prefix
38:5C:76
Organization
PLANTRONICS, INC.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
38:5C:76:00:00:00
Last address
38:5C:76:FF:FF:FF
Address type
Globally unique, unicast
Registered address
345 ENCINAL STREET SANTA CRUZ CA US 95060