OUI Lookup
dca5f4
Cisco Systems, Inc
Manufacturer Information
- OUI Prefix
- dca5f4
- Manufacturer
- Cisco Systems, Inc
- Address
- 170 West Tasman Drive San Jose CA US 95134
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1231
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix DCA5F4
The OUI prefix DCA5F4 is assigned to Cisco Systems, Inc, based in 170 West Tasman Drive San Jose CA US 95134 . 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.
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