78:DD:D9 Guangzhou Shiyuan Electronics Co., Ltd.
Every MAC address from 78:DD:D9:00:00:00 to 78:DD:D9:FF:FF:FF belongs to a block the IEEE assigned to Guangzhou Shiyuan Electronics Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 78:DD:D9 belongs to
Written 78:DD:D9, 78-DD-D9 or 78DDD9, depending on the system. Look up a full address.
Prefix
78:DD:D9
Organization
Guangzhou Shiyuan Electronics Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
78:DD:D9:00:00:00
Last address
78:DD:D9:FF:FF:FF
Address type
Globally unique, unicast
Registered address
No.6, 4th Yunpu Road, Yunpu Industry District Guangzhou Guangdong CN 510530