OUI Lookup
001d5b
Tecvan Informatica Ltda
Manufacturer Information
- OUI Prefix
- 001d5b
- Manufacturer
- Tecvan Informatica Ltda
- Address
- Rua Guaicurus, 145 Diadema São Paulo BR 09911-630
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 001D5B
The OUI prefix 001D5B is assigned to Tecvan Informatica Ltda, based in Rua Guaicurus, 145 Diadema São Paulo BR 09911-630 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Tecvan Informatica Ltda.