00:20:69 ISDN SYSTEMS CORPORATION
Every MAC address from 00:20:69:00:00:00 to 00:20:69:FF:FF:FF belongs to a block the IEEE assigned to ISDN SYSTEMS CORPORATION. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:20:69 belongs to
Written 00:20:69, 00-20-69 or 002069, depending on the system. Look up a full address.
Prefix
00:20:69
Organization
ISDN SYSTEMS CORPORATION
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:20:69:00:00:00
Last address
00:20:69:FF:FF:FF
Address type
Globally unique, unicast
Registered address
8320 OLD COURTHOUSE RD. VIENNA VA US 22182