B4:37:D1:4 KOMSIS ELEKTRONIK SISTEMLERI SAN. TIC. LTD.STI
Every MAC address from B4:37:D1:40:00:00 to B4:37:D1:4F:FF:FF belongs to a block the IEEE assigned to KOMSIS ELEKTRONIK SISTEMLERI SAN. TIC. LTD.STI. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:37:D1:4 belongs to
Written B4:37:D1:4, B4-37-D1-4 or B437D14, depending on the system. Look up a full address.
Prefix
B4:37:D1:4/28
Organization
KOMSIS ELEKTRONIK SISTEMLERI SAN. TIC. LTD.STI
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
B4:37:D1:40:00:00
Last address
B4:37:D1:4F:FF:FF
Address type
Globally unique, unicast
Registered address
SERIF ALI MAH. TURKER CAD. MIRAS SOK. ISTANBUL UMRANIYE TR 34775
Parent block
Inside B4:37:D1
This MA-M block is carved from the 24-bit block B4:37:D1, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.
Same organization
Other blocks assigned to KOMSIS ELEKTRONIK SISTEMLERI SAN. TIC. LTD.STI
1 more block registered under the same name.