OUI Lookup
0000b9
MCDONNELL DOUGLAS COMPUTER SYS
Manufacturer Information
- OUI Prefix
- 0000b9
- Manufacturer
- MCDONNELL DOUGLAS COMPUTER SYS
- Address
- DIV MCDONNELL DOUGLAS INF SYS GB ENGLAND
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0000B9
The OUI prefix 0000B9 is assigned to MCDONNELL DOUGLAS COMPUTER SYS, based in DIV MCDONNELL DOUGLAS INF SYS GB ENGLAND . 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 MCDONNELL DOUGLAS COMPUTER SYS.