OUI Lookup
a81758
Elektronik System i Umeå AB
Manufacturer Information
- OUI Prefix
- a81758
- Manufacturer
- Elektronik System i Umeå AB
- Address
- Box 7978 Umeå Västerbotten SE 907 19
- Last updated
- 6/12/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix A81758
The OUI prefix A81758 is assigned to Elektronik System i Umeå AB, based in Box 7978 Umeå Västerbotten SE 907 19 . 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 Elektronik System i Umeå AB.