OUI Lookup
0020d4
Cabletron Systems, Inc.
Manufacturer Information
- OUI Prefix
- 0020d4
- Manufacturer
- Cabletron Systems, Inc.
- Address
- 35 INDUSTRIAL WAY ROHESTER NH US 03866-5005
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 5
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0020D4
The OUI prefix 0020D4 is assigned to Cabletron Systems, Inc., based in 35 INDUSTRIAL WAY ROHESTER NH US 03866-5005 . 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 Cabletron Systems, Inc..