OUI Lookup
28d0cb
Adtran Inc
Manufacturer Information
- OUI Prefix
- 28d0cb
- Manufacturer
- Adtran Inc
- Address
- Victory House, Vision Park, Chivers Way, Histon Cambridge GB CB24 9ZR
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 15
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 28D0CB
The OUI prefix 28D0CB is assigned to Adtran Inc, based in Victory House, Vision Park, Chivers Way, Histon Cambridge GB CB24 9ZR . 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 Adtran Inc.