OUI Lookup
80d336
CERN
Manufacturer Information
- OUI Prefix
- 80d336
- Manufacturer
- CERN
- Address
- CH-1211 GENEVE SUISSE/SWITZ CH 023
- Last updated
- 6/21/2026
Vendor Statistics
- Total prefixes
- 2
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 80D336
The OUI prefix 80D336 is assigned to CERN, based in CH-1211 GENEVE SUISSE/SWITZ CH 023 . 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 CERN.