OUI Lookup
04c5a4
Cisco Systems, Inc
Manufacturer Information
- OUI Prefix
- 04c5a4
- Manufacturer
- Cisco Systems, Inc
- Address
- 80 West Tasman Drive San Jose CA US 94568
- Last updated
- 7/27/2026
Vendor Statistics
- Total prefixes
- 1235
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 04C5A4
The OUI prefix 04C5A4 is assigned to Cisco Systems, Inc, based in 80 West Tasman Drive San Jose CA US 94568 . 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 Cisco Systems, Inc.
Other prefixes from Cisco Systems, Inc
0021d8Cisco Systems, Inc0021d7Cisco Systems, Inc002156Cisco Systems, Incd0ec35Cisco Systems, Inc001f9eCisco Systems, Inc0005dcCisco Systems, Inc5451deCisco Systems, Inc00c164Cisco Systems, Incc828e5Cisco Systems, Inc001c57Cisco Systems, Inc24161bCisco Systems, Incac4a56Cisco Systems, Ince8d322Cisco Systems, Inc7cf880Cisco Systems, Inca40cc3Cisco Systems, Inc00e08fCisco Systems, Inc40ce24Cisco Systems, Inc887556Cisco Systems, Incfc9947Cisco Systems, Inc6c2056Cisco Systems, Incacf2c5Cisco Systems, Inc00500bCisco Systems, Inc0017dfCisco Systems, Inc2401c7Cisco Systems, Inc