OUI Lookup
00407d
EXTENSION TECHNOLOGY CORP.
Manufacturer Information
- OUI Prefix
- 00407d
- Manufacturer
- EXTENSION TECHNOLOGY CORP.
- Address
- 30 HOLLIS STREET FRAMINGHAM MA US 01701
- Last updated
- 6/9/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00407D
The OUI prefix 00407D is assigned to EXTENSION TECHNOLOGY CORP., based in 30 HOLLIS STREET FRAMINGHAM MA US 01701 . 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 EXTENSION TECHNOLOGY CORP..