00:1F:40 Speakercraft Inc.
Every MAC address from 00:1F:40:00:00:00 to 00:1F:40:FF:FF:FF belongs to a block the IEEE assigned to Speakercraft Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1F:40 belongs to
Written 00:1F:40, 00-1F-40 or 001F40, depending on the system. Look up a full address.
Prefix
00:1F:40
Organization
Speakercraft Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:1F:40:00:00:00
Last address
00:1F:40:FF:FF:FF
Address type
Globally unique, unicast
Registered address
5919 Sea Otter Place Carlsbad CA US 92010