OUI Lookup
4438f3
EM Microelectronic
Manufacturer Information
- OUI Prefix
- 4438f3
- Manufacturer
- EM Microelectronic
- Address
- Rue des Sors 3 Marin-Epagnier Neuchatel CH 2074
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 70
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 4438F3
The OUI prefix 4438F3 is assigned to EM Microelectronic, based in Rue des Sors 3 Marin-Epagnier Neuchatel CH 2074 . 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 EM Microelectronic.
Other prefixes from EM Microelectronic
50f222EM Microelectronic44d5c1EM Microelectronic68539dEM Microelectronic806559EM Microelectronic183219EM Microelectronic901a4fEM Microelectronic5c53b4EM Microelectronic8c6120EM Microelectronic888c1bEM Microelectronice46447EM Microelectronicc049bdEM Microelectronic08736fEM Microelectronic5c33b1EM Microelectronicf06d93EM Microelectronic444520EM Microelectronic88db08EM Microelectronic8c083cEM Microelectronic602b58EM Microelectronic109d9cEM Microelectronic906560EM Microelectronicbc6e6dEM Microelectronica47e36EM Microelectronice0189fEM Microelectronic0cf3eeEM Microelectronic