OUI Lookup
0021cf
The Crypto Group
Manufacturer Information
- OUI Prefix
- 0021cf
- Manufacturer
- The Crypto Group
- Address
- Zugerstrasse 42 Steinhausen Zug CH 6312
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0021CF
The OUI prefix 0021CF is assigned to The Crypto Group, based in Zugerstrasse 42 Steinhausen Zug CH 6312 . 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 The Crypto Group.