00:21:8B Wescon Technology, Inc.
Every MAC address from 00:21:8B:00:00:00 to 00:21:8B:FF:FF:FF belongs to a block the IEEE assigned to Wescon Technology, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:8B belongs to
Written 00:21:8B, 00-21-8B or 00218B, depending on the system. Look up a full address.
Prefix
00:21:8B
Organization
Wescon Technology, Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:8B:00:00:00
Last address
00:21:8B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
4655-170 Old Ironsides Drive Santa Clara California US 95054