nerd.cesnet.cz
The Network Entity Reputation Database IP search is a CESNET page that searches and lists IP addresses with hostname, ASN, country, events, reputation score, threat category, other properties, time added and last activity. It provides links to services including Shodan, Censys, AbuseIPDB, Talos Intelligence Center, Greynoise Visualizer and DShield. Results shown include DShield reports and OTX pulses.