38:B1:4E:7 NACE
Every MAC address from 38:B1:4E:70:00:00 to 38:B1:4E:7F:FF:FF belongs to a block the IEEE assigned to NACE. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 38:B1:4E:7 belongs to
Written 38:B1:4E:7, 38-B1-4E-7 or 38B14E7, depending on the system. Look up a full address.
Prefix
38:B1:4E:7/28
Organization
NACE
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
38:B1:4E:70:00:00
Last address
38:B1:4E:7F:FF:FF
Address type
Globally unique, unicast
Registered address
1085 Andrew dr West Chester PA US 19380
Parent block
Inside 38:B1:4E
This MA-M block is carved from the 24-bit block 38:B1:4E, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.