About: http://webisa.webdatacommons.org/16797353

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	And yes, no manufacturer is perfect, but the IDEA is that a MAC address is a unique identifier, as per IEEE's design and specifications.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com