54:91:AF:B Hyperconn Pte. ltd
Every MAC address from 54:91:AF:B0:00:00 to 54:91:AF:BF:FF:FF belongs to a block the IEEE assigned to Hyperconn Pte. ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 54:91:AF:B belongs to
Written 54:91:AF:B, 54-91-AF-B or 5491AFB, depending on the system. Look up a full address.
Prefix
54:91:AF:B/28
Organization
Hyperconn Pte. ltd
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
54:91:AF:B0:00:00
Last address
54:91:AF:BF:FF:FF
Address type
Globally unique, unicast
Registered address
128 Tanjong Pagar Road Singapore(088535) Singapore SG 088535
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.