OUI Lookup
000743
Chelsio Communications
Manufacturer Information
- OUI Prefix
- 000743
- Manufacturer
- Chelsio Communications
- Address
- 170 S. Whismon Rd. Mountain View CA US 94041-1512
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000743
The OUI prefix 000743 is assigned to Chelsio Communications, based in 170 S. Whismon Rd. Mountain View CA US 94041-1512 . 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 Chelsio Communications.