00:55:DA:7 LUCISTECHNOLOGIES（SHANGHAI）CO.,LTD
Every MAC address from 00:55:DA:70:00:00 to 00:55:DA:7F:FF:FF belongs to a block the IEEE assigned to LUCISTECHNOLOGIES（SHANGHAI）CO.,LTD. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:55:DA:7 belongs to
Written 00:55:DA:7, 00-55-DA-7 or 0055DA7, depending on the system. Look up a full address.
Prefix
00:55:DA:7/28
Organization
LUCISTECHNOLOGIES（SHANGHAI）CO.,LTD
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
00:55:DA:70:00:00
Last address
00:55:DA:7F:FF:FF
Address type
Globally unique, unicast
Registered address
No.57.East Caohejing.Building Lucis XuHui District, Shanghai.200235.China SHANGHAI SHANGHAI CN 200235
Parent block
Inside 00:55:DA
This MA-M block is carved from the 24-bit block 00:55:DA, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.