OUI Lookup
0040d8
OCEAN OFFICE AUTOMATION LTD.
Manufacturer Information
- OUI Prefix
- 0040d8
- Manufacturer
- OCEAN OFFICE AUTOMATION LTD.
- Address
- 4TH & 5TH FLOOR, KADER BLDG. HONG HK KONG
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0040D8
The OUI prefix 0040D8 is assigned to OCEAN OFFICE AUTOMATION LTD., based in 4TH & 5TH FLOOR, KADER BLDG. HONG HK KONG . 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 OCEAN OFFICE AUTOMATION LTD..