OUI Lookup

ecbd1d

Cisco Systems, Inc

Manufacturer Information

OUI Prefix
ecbd1d
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 ECBD1D

The OUI prefix ECBD1D 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.

Other prefixes from Cisco Systems, Inc