OUI Lookup
0021c2
GL Communications Inc
Manufacturer Information
- OUI Prefix
- 0021c2
- Manufacturer
- GL Communications Inc
- Address
- 818 West Diamond Ave Gaithersburg MD US 20878
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0021C2
The OUI prefix 0021C2 is assigned to GL Communications Inc, based in 818 West Diamond Ave Gaithersburg MD US 20878 . 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 GL Communications Inc.