04:EC:A9:3 Hunan Zetian Zhihang Electronic Technology Co., Ltd.
Every MAC address from 04:EC:A9:30:00:00 to 04:EC:A9:3F:FF:FF belongs to a block the IEEE assigned to Hunan Zetian Zhihang Electronic Technology Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 04:EC:A9:3 belongs to
Written 04:EC:A9:3, 04-EC-A9-3 or 04ECA93, depending on the system. Look up a full address.
Prefix
04:EC:A9:3/28
Organization
Hunan Zetian Zhihang Electronic Technology Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
04:EC:A9:30:00:00
Last address
04:EC:A9:3F:FF:FF
Address type
Globally unique, unicast
Registered address
No.699 Qingshan Road,Changsha High-Tech Development Zone Changsha Hunan CN 410017
Parent block
Inside 04:EC:A9
This MA-M block is carved from the 24-bit block 04:EC:A9, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.