24:CF:21 Shenzhen State Micro Technology Co., Ltd
Every MAC address from 24:CF:21:00:00:00 to 24:CF:21:FF:FF:FF belongs to a block the IEEE assigned to Shenzhen State Micro Technology Co., Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 24:CF:21 belongs to
Written 24:CF:21, 24-CF-21 or 24CF21, depending on the system. Look up a full address.
Prefix
24:CF:21
Organization
Shenzhen State Micro Technology Co., Ltd
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
24:CF:21:00:00:00
Last address
24:CF:21:FF:FF:FF
Address type
Globally unique, unicast
Registered address
SSMEC Building2/F, Gao Xin Nan First Avenue, Hi-Tech Park South, Nanshan Shenzhen City Guangdong Province CN 518057