OUI Lookup
e40439
TomTom Software Ltd
Manufacturer Information
- OUI Prefix
- e40439
- Manufacturer
- TomTom Software Ltd
- Address
- 20th Floor Euston Tower London GB NW1 3AS
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix E40439
The OUI prefix E40439 is assigned to TomTom Software Ltd, based in 20th Floor Euston Tower London GB NW1 3AS . 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 TomTom Software Ltd.