90:4E:91:9 CUTTER Systems spol. s r.o.
Every MAC address from 90:4E:91:90:00:00 to 90:4E:91:9F:FF:FF belongs to a block the IEEE assigned to CUTTER Systems spol. s r.o.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 90:4E:91:9 belongs to
Written 90:4E:91:9, 90-4E-91-9 or 904E919, depending on the system. Look up a full address.
Prefix
90:4E:91:9/28
Organization
CUTTER Systems spol. s r.o.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
90:4E:91:90:00:00
Last address
90:4E:91:9F:FF:FF
Address type
Globally unique, unicast
Registered address
Milicova 2530/26 Prostejov CZ 79601
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.