- Prefix
- 00:1B:7F 00-1B-7F 001B.7F
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:1B:7F:00:00:00 – 00:1B:7F:FF:FF:FF
- Organization
- TMN Technologies Telecomunicacoes Ltda
- Registered address
- Rua Nilza, 422, São Paulo SP 03651-120, BR
- Country
- Brazil (BR)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:1B:7F:00:00:00
TMN Technologies Telecomunicacoes Ltda holds 1 block in total: see all. Source: IEEE Registration Authority public listing.