00:40:74 CABLE AND WIRELESS
Every MAC address from 00:40:74:00:00:00 to 00:40:74:FF:FF:FF belongs to a block the IEEE assigned to CABLE AND WIRELESS. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:40:74 belongs to
Written 00:40:74, 00-40-74 or 004074, depending on the system. Look up a full address.
Prefix
00:40:74
Organization
CABLE AND WIRELESS
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:40:74:00:00:00
Last address
00:40:74:FF:FF:FF
Address type
Globally unique, unicast
Registered address
COMMUNICATIONS, INC. VIENNA VA US 22182-3964