OUI Lookup
0040e7
ARNOS INSTRUMENTS & COMPUTER
Manufacturer Information
- OUI Prefix
- 0040e7
- Manufacturer
- ARNOS INSTRUMENTS & COMPUTER
- Address
- SYSTEMS (GROUP) CO., LTD. TSUEN WAN N.T. HK
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0040E7
The OUI prefix 0040E7 is assigned to ARNOS INSTRUMENTS & COMPUTER, based in SYSTEMS (GROUP) CO., LTD. TSUEN WAN N.T. HK . 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 ARNOS INSTRUMENTS & COMPUTER.