80:1D:0D:4 GTL Tecnologia e Sistemas Ltda
Every MAC address from 80:1D:0D:40:00:00 to 80:1D:0D:4F:FF:FF belongs to a block the IEEE assigned to GTL Tecnologia e Sistemas Ltda. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 80:1D:0D:4 belongs to
Written 80:1D:0D:4, 80-1D-0D-4 or 801D0D4, depending on the system. Look up a full address.
Prefix
80:1D:0D:4/28
Organization
GTL Tecnologia e Sistemas Ltda
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
80:1D:0D:40:00:00
Last address
80:1D:0D:4F:FF:FF
Address type
Globally unique, unicast
Registered address
Av. Marcos Penteado de Ulhôa Rodrigues 1119, 16 andar, sala 1611 Barueri São Paulo BR 06460040
Parent block
Inside 80:1D:0D
This MA-M block is carved from the 24-bit block 80:1D:0D, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.