00:01:DF ISDN Communications, Ltd.
Every MAC address from 00:01:DF:00:00:00 to 00:01:DF:FF:FF:FF belongs to a block the IEEE assigned to ISDN Communications, Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:01:DF belongs to
Written 00:01:DF, 00-01-DF or 0001DF, depending on the system. Look up a full address.
Prefix
00:01:DF
Organization
ISDN Communications, Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:01:DF:00:00:00
Last address
00:01:DF:FF:FF:FF
Address type
Globally unique, unicast
Registered address
The Stable Block, Ronans GB ENGLAND