38:73:EA:9 Lightform, Inc.
Every MAC address from 38:73:EA:90:00:00 to 38:73:EA:9F:FF:FF belongs to a block the IEEE assigned to Lightform, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 38:73:EA:9 belongs to
Written 38:73:EA:9, 38-73-EA-9 or 3873EA9, depending on the system. Look up a full address.
Prefix
38:73:EA:9/28
Organization
Lightform, Inc.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
38:73:EA:90:00:00
Last address
38:73:EA:9F:FF:FF
Address type
Globally unique, unicast
Registered address
123 Langton St. San Francisco CA US 94103
Parent block
Inside 38:73:EA
This MA-M block is carved from the 24-bit block 38:73:EA, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.