38:A8:CD:B Qingdao Hisense Hitachi Air-conditioning Systems Co.,Ltd.
Every MAC address from 38:A8:CD:B0:00:00 to 38:A8:CD:BF:FF:FF belongs to a block the IEEE assigned to Qingdao Hisense Hitachi Air-conditioning Systems Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 38:A8:CD:B belongs to
Written 38:A8:CD:B, 38-A8-CD-B or 38A8CDB, depending on the system. Look up a full address.
Prefix
38:A8:CD:B/28
Organization
Qingdao Hisense Hitachi Air-conditioning Systems Co.,Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
38:A8:CD:B0:00:00
Last address
38:A8:CD:BF:FF:FF
Address type
Globally unique, unicast
Registered address
No.218, Qianwangang Road, Qingdao Economic Development Zone, China Qingdao CN 266510
Parent block
Inside 38:A8:CD
This MA-M block is carved from the 24-bit block 38:A8:CD, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.