00:10:3F TOLLGRADE COMMUNICATIONS, INC.
Every MAC address from 00:10:3F:00:00:00 to 00:10:3F:FF:FF:FF belongs to a block the IEEE assigned to TOLLGRADE COMMUNICATIONS, INC.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:10:3F belongs to
Written 00:10:3F, 00-10-3F or 00103F, depending on the system. Look up a full address.
Prefix
00:10:3F
Organization
TOLLGRADE COMMUNICATIONS, INC.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:10:3F:00:00:00
Last address
00:10:3F:FF:FF:FF
Address type
Globally unique, unicast
Registered address
493 NIXON ROAD CHESWICK PA US 15024