The Harimau Watchlist
To search for IP, use the following: http://watchlist.security.org.my/index.php/watchlist/show/ip/the-ip-address
Example:
http://watchlist.security.org.my/index.php/watchlist/show/ip/192.168.0.100
OR
http://watchlist.security.org.my/watchlist/show?ip=192.168.0.100
This will match the IP if it exists, or match the netblock if it falls within the netblock.
This list is updated daily.
Search IP 
Group
#
dshield-top-ips
10000
spamhaus
154
senderbase-spam-source
100
senderbase-virus-source
94
ts-top-email-senders-by-ips
25
atlas-top-host
20
dshield-top-blocks
20
ts-most-active-storm-web-proxy-ips
10
ts-newly-activated-storm-web-proxy-ips
10
ts-recently-seen-storm-web-proxy-ips
10
Total
10443
Brought to you by
security.org.my
. Comments, suggestions, etc to mel@hackinthebox.org