00:21:4B Shenzhen HAMP Science & Technology Co.,Ltd
Every MAC address from 00:21:4B:00:00:00 to 00:21:4B:FF:FF:FF belongs to a block the IEEE assigned to Shenzhen HAMP Science & Technology Co.,Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:4B belongs to
Written 00:21:4B, 00-21-4B or 00214B, depending on the system. Look up a full address.
Prefix
00:21:4B
Organization
Shenzhen HAMP Science & Technology Co.,Ltd
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:4B:00:00:00
Last address
00:21:4B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
No.302-303,3 Floor,District A,TCL Tower,Gaoxin Nan Yi Road,NanShan District Shenzhen Guangdong CN 518057