00:1B:7F TMN Technologies Telecomunicacoes Ltda
Every MAC address from 00:1B:7F:00:00:00 to 00:1B:7F:FF:FF:FF belongs to a block the IEEE assigned to TMN Technologies Telecomunicacoes Ltda. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:7F belongs to
Written 00:1B:7F, 00-1B-7F or 001B7F, depending on the system. Look up a full address.
Prefix
00:1B:7F
Organization
TMN Technologies Telecomunicacoes Ltda
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:1B:7F:00:00:00
Last address
00:1B:7F:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Rua Nilza, 422 São Paulo SP BR 03651-120