78:91:DE Guangdong ACIGA Science&Technology Co.,Ltd
Every MAC address from 78:91:DE:00:00:00 to 78:91:DE:FF:FF:FF belongs to a block the IEEE assigned to Guangdong ACIGA Science&Technology Co.,Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 78:91:DE belongs to
Written 78:91:DE, 78-91-DE or 7891DE, depending on the system. Look up a full address.
Prefix
78:91:DE
Organization
Guangdong ACIGA Science&Technology Co.,Ltd
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
78:91:DE:00:00:00
Last address
78:91:DE:FF:FF:FF
Address type
Globally unique, unicast
Registered address
L203 Biguiyuan International Club, Beijiao Town, Shunde District Fo Shan Guangdong CN 528312