58:B9:E1 Crystalfontz America, Inc.
Every MAC address from 58:B9:E1:00:00:00 to 58:B9:E1:FF:FF:FF belongs to a block the IEEE assigned to Crystalfontz America, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 58:B9:E1 belongs to
Written 58:B9:E1, 58-B9-E1 or 58B9E1, depending on the system. Look up a full address.
Prefix
58:B9:E1
Organization
Crystalfontz America, Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
58:B9:E1:00:00:00
Last address
58:B9:E1:FF:FF:FF
Address type
Globally unique, unicast
Registered address
12412 E. Saltese Ave. Spokane Valley WA US 99216