78:EF:4C Unetconvergence Co., Ltd.
Every MAC address from 78:EF:4C:00:00:00 to 78:EF:4C:FF:FF:FF belongs to a block the IEEE assigned to Unetconvergence Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 78:EF:4C belongs to
Written 78:EF:4C, 78-EF-4C or 78EF4C, depending on the system. Look up a full address.
Prefix
78:EF:4C
Organization
Unetconvergence Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
78:EF:4C:00:00:00
Last address
78:EF:4C:FF:FF:FF
Address type
Globally unique, unicast
Registered address
101-511, Digital Empire2, 486, Shin-dong, Youngtong-gu Suwon Kyonggi-do KR 443-390