OUI Lookup
042f56
ATOCS (Shenzhen) LTD
Manufacturer Information
- OUI Prefix
- 042f56
- Manufacturer
- ATOCS (Shenzhen) LTD
- Address
- 4/F., Building 10, Tongfuyu Industry Zone, Xili Town, Shenzhen CN
- Last updated
- 6/21/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 042F56
The OUI prefix 042F56 is assigned to ATOCS (Shenzhen) LTD, based in 4/F., Building 10, Tongfuyu Industry Zone, Xili Town, Shenzhen CN . 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 ATOCS (Shenzhen) LTD.