54:91:AF:D Ningbo Joynext Technology Corporation
Every MAC address from 54:91:AF:D0:00:00 to 54:91:AF:DF:FF:FF belongs to a block the IEEE assigned to Ningbo Joynext Technology Corporation. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 54:91:AF:D belongs to
Written 54:91:AF:D, 54-91-AF-D or 5491AFD, depending on the system. Look up a full address.
Prefix
54:91:AF:D/28
Organization
Ningbo Joynext Technology Corporation
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
54:91:AF:D0:00:00
Last address
54:91:AF:DF:FF:FF
Address type
Globally unique, unicast
Registered address
No.99, Qingyi Road, Hi-Tech Park, Ningbo, China Ningbo CN 315040
Parent block
Inside 54:91:AF
This MA-M block is carved from the 24-bit block 54:91:AF, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.