OUI Lookup
001a1f
Coastal Environmental Systems
Manufacturer Information
- OUI Prefix
- 001a1f
- Manufacturer
- Coastal Environmental Systems
- Address
- 820 First Avenue South Seattle wa US 98134
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 001A1F
The OUI prefix 001A1F is assigned to Coastal Environmental Systems, based in 820 First Avenue South Seattle wa US 98134 . 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 Coastal Environmental Systems.