40:5B:7F Broadcom Limited
Every MAC address from 40:5B:7F:00:00:00 to 40:5B:7F:FF:FF:FF belongs to a block the IEEE assigned to Broadcom Limited. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 40:5B:7F belongs to
Written 40:5B:7F, 40-5B-7F or 405B7F, depending on the system. Look up a full address.
Prefix
40:5B:7F
Organization
Broadcom Limited
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
40:5B:7F:00:00:00
Last address
40:5B:7F:FF:FF:FF
Address type
Globally unique, unicast
Registered address
15191 Alton Parkway Irvine CA US 92618