54:91:E1 Vitalacy Inc.
Every MAC address from 54:91:E1:00:00:00 to 54:91:E1:FF:FF:FF belongs to a block the IEEE assigned to Vitalacy Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 54:91:E1 belongs to
Written 54:91:E1, 54-91-E1 or 5491E1, depending on the system. Look up a full address.
Prefix
54:91:E1
Organization
Vitalacy Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
54:91:E1:00:00:00
Last address
54:91:E1:FF:FF:FF
Address type
Globally unique, unicast
Registered address
11859 Wilshire Blvd #500 Los Angeles CA US 90025