OUI Lookup
0021d9
SEKONIC CORPORATION
Manufacturer Information
- OUI Prefix
- 0021d9
- Manufacturer
- SEKONIC CORPORATION
- Address
- 7-24-14 NERIMA-KU TOKYO JP 178-8686
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0021D9
The OUI prefix 0021D9 is assigned to SEKONIC CORPORATION, based in 7-24-14 NERIMA-KU TOKYO JP 178-8686 . 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 SEKONIC CORPORATION.