Suballocated netblocks for spamming - should this be blocked? It is by avast!

Read: http://www.spamhaus.org/drop/
See on this IP: https://www.virustotal.com/nl/ip-address/111.121.193.241/information/
See for the domains: http://whois.domaintools.com/com-qi24.net 1,345 other sites hosted on this server
See: https://www.virustotal.com/nl/url/79533ac062688a257468a8a2e07cb6c6b31472ec49e3dc37ea2edd25af3fb399/analysis/1415320260/
IDS alert here: https://urlquery.net/report.php?id=1413275455904 Unreachable?
Link to htxp://diet.com-vu14.net/ unreachable. http://whois.domaintools.com/com-qi24.net
diet.com-vu14.net,Not in namespace & com-qi24.net,Not in namespace,
htxp://111.121.193.241/ gives an avast warning - this site could have damaged your computer.

Again we are being protected.

polonus

Webroot also has it 1 Threat Category Found Web Attacks found
Category Reputation Index Status
Malware Sites
Request a new URL category
10
Request URL Reputation change
High Risk
Factor Value Impact
Infections (past 12 months) 1

Netcraft Site Report Red 10 out of 10 Netcraft Risk.
On Spamhaus Block List Yes On Exploits Block List No
On Policy Block List Yes On Domain Block List No

pol