38:14:1B Secure Letter Inc.
Every MAC address from 38:14:1B:00:00:00 to 38:14:1B:FF:FF:FF belongs to a block the IEEE assigned to Secure Letter Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 38:14:1B belongs to
Written 38:14:1B, 38-14-1B or 38141B, depending on the system. Look up a full address.
Prefix
38:14:1B
Organization
Secure Letter Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
38:14:1B:00:00:00
Last address
38:14:1B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
223, Yeoksam-ro Gangnam-gu Seoul KR 06224