OUI Lookup
001d4b
Grid Connect Inc.
Manufacturer Information
- OUI Prefix
- 001d4b
- Manufacturer
- Grid Connect Inc.
- Address
- 1630 W. Diehl Rd Naperville IL US 60563
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 001D4B
The OUI prefix 001D4B is assigned to Grid Connect Inc., based in 1630 W. Diehl Rd Naperville IL US 60563 . 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 Grid Connect Inc..