OUI Lookup
00603b
AMTEC spa
Manufacturer Information
- OUI Prefix
- 00603b
- Manufacturer
- AMTEC spa
- Address
- LOC. S. MARTINO 53025 PIANCASTAGNAIO (SIENA) IT
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00603B
The OUI prefix 00603B is assigned to AMTEC spa, based in LOC. S. MARTINO 53025 PIANCASTAGNAIO (SIENA) IT . 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 AMTEC spa.