I’ve just had this pointed out to me! Somewhat strange irony (and if you’re not a geek, you won’t get it!)

daragh@leffe:~$ whois as666

OrgName: US Army Combat Systems Test Activity
OrgID: UACSTA
Address: Commander, USACSTA
City: Aberdeen Proving Ground
StateProv: MD
PostalCode:
Country: US

ASNumber: 666
ASName: CSTA-CISCO-AS
ASHandle: AS666