OUI Lookup
0004b1
Signal Technology, Inc.
Manufacturer Information
- OUI Prefix
- 0004b1
- Manufacturer
- Signal Technology, Inc.
- Address
- 3rd. Fl. Dabo Bldg. Seoul KOREA KR 138-110
- Last updated
- 6/9/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0004B1
The OUI prefix 0004B1 is assigned to Signal Technology, Inc., based in 3rd. Fl. Dabo Bldg. Seoul KOREA KR 138-110 . 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 Signal Technology, Inc..