OUI Lookup
0020ea
EFFICIENT NETWORKS, INC.
Manufacturer Information
- OUI Prefix
- 0020ea
- Manufacturer
- EFFICIENT NETWORKS, INC.
- Address
- 4201 SPRING VALLEY ROAD DALLAS TX US 75244-3666
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0020EA
The OUI prefix 0020EA is assigned to EFFICIENT NETWORKS, INC., based in 4201 SPRING VALLEY ROAD DALLAS TX US 75244-3666 . 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 EFFICIENT NETWORKS, INC..