40:A9:3F Pivotal Commware, Inc.
Every MAC address from 40:A9:3F:00:00:00 to 40:A9:3F:FF:FF:FF belongs to a block the IEEE assigned to Pivotal Commware, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 40:A9:3F belongs to
Written 40:A9:3F, 40-A9-3F or 40A93F, depending on the system. Look up a full address.
Prefix
40:A9:3F
Organization
Pivotal Commware, Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
40:A9:3F:00:00:00
Last address
40:A9:3F:FF:FF:FF
Address type
Globally unique, unicast
Registered address
1555 132nd Ave. NE Bellevue WA US 98005