OUI Lookup
00c021
NETEXPRESS
Manufacturer Information
- OUI Prefix
- 00c021
- Manufacturer
- NETEXPRESS
- Address
- 989 EAST HILLSDALE BLVD. FOSTER CITY CA US 94404-2113
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00C021
The OUI prefix 00C021 is assigned to NETEXPRESS, based in 989 EAST HILLSDALE BLVD. FOSTER CITY CA US 94404-2113 . 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 NETEXPRESS.