They often do something about it. All the sites I reported were removed. Given that this one is in the US they'll probably be able to address it quickly.

OrgName: JustEdge Networks
OrgID: JUSTE
Address: 71 Ackerman Ave #161
City: Clifton
StateProv: NJ
PostalCode: 07011
Country: US

ReferralServer: rwhois://rwhois.justedge.net:4321

NetRange: 204.8.216.0 - 204.8.223.255
CIDR: 204.8.216.0/21
NetName: JE-BLK-1
NetHandle: NET-204-8-216-0-1
Parent: NET-204-0-0-0-0
NetType: Direct Allocation
NameServer: NS1.JUSTEDGE.NET
NameServer: NS2.JUSTEDGE.NET
Comment:
RegDate: 2004-08-19
Updated: 2004-08-19

OrgTechHandle: JUSTE-ARIN
OrgTechName: JustEdge
OrgTechPhone: +1-866-458-7833
OrgTechEmail: [email protected]
You could also notify http://www.ic3.gov/