About: http://webisa.webdatacommons.org/69461609

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	Apparently once a number has be 'deregistered' there is a certain waiting period before it can be used again.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net