OUI Lookup
000257
Microcom Corp.
Manufacturer Information
- OUI Prefix
- 000257
- Manufacturer
- Microcom Corp.
- Address
- 8333A Green Meadows Dr. N. Westerville OH US 43081
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000257
The OUI prefix 000257 is assigned to Microcom Corp., based in 8333A Green Meadows Dr. N. Westerville OH US 43081 . 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 Microcom Corp..