B4:28:F1 E-Prime Co., Ltd.
Every MAC address from B4:28:F1:00:00:00 to B4:28:F1:FF:FF:FF belongs to a block the IEEE assigned to E-Prime Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:28:F1 belongs to
Written B4:28:F1, B4-28-F1 or B428F1, depending on the system. Look up a full address.
Prefix
B4:28:F1
Organization
E-Prime Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
B4:28:F1:00:00:00
Last address
B4:28:F1:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Rm1207, Kolon Science Valley, 811, Seoul KR 152050