90:4E:91:A Kaertech Limited
Every MAC address from 90:4E:91:A0:00:00 to 90:4E:91:AF:FF:FF belongs to a block the IEEE assigned to Kaertech Limited. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 90:4E:91:A belongs to
Written 90:4E:91:A, 90-4E-91-A or 904E91A, depending on the system. Look up a full address.
Prefix
90:4E:91:A/28
Organization
Kaertech Limited
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
90:4E:91:A0:00:00
Last address
90:4E:91:AF:FF:FF
Address type
Globally unique, unicast
Registered address
Unit 1601, 21-24 Connaught Road West Hong Kong Sheung Wan HK 00000
Parent block
Inside 90:4E:91
This MA-M block is carved from the 24-bit block 90:4E:91, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.