40:E7:30 DEY Storage Systems, Inc.
Every MAC address from 40:E7:30:00:00:00 to 40:E7:30:FF:FF:FF belongs to a block the IEEE assigned to DEY Storage Systems, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 40:E7:30 belongs to
Written 40:E7:30, 40-E7-30 or 40E730, depending on the system. Look up a full address.
Prefix
40:E7:30
Organization
DEY Storage Systems, Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
40:E7:30:00:00:00
Last address
40:E7:30:FF:FF:FF
Address type
Globally unique, unicast
Registered address
215 South B Street San Mateo CA US 94401