OUI Lookup
00120d
Advanced Telecommunication Technologies, Inc.
Manufacturer Information
- OUI Prefix
- 00120d
- Manufacturer
- Advanced Telecommunication Technologies, Inc.
- Address
- 10390 Wilshire Boulevard Los Angeles California US 90024
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00120D
The OUI prefix 00120D is assigned to Advanced Telecommunication Technologies, Inc., based in 10390 Wilshire Boulevard Los Angeles California US 90024 . 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 Advanced Telecommunication Technologies, Inc..