OUI Lookup
04d921
Occuspace
Manufacturer Information
- OUI Prefix
- 04d921
- Manufacturer
- Occuspace
- Address
- 302 Washington Street Suite 315 San Diego CA US 92103
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 04D921
The OUI prefix 04D921 is assigned to Occuspace, based in 302 Washington Street Suite 315 San Diego CA US 92103 . 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 Occuspace.