John works as a professional Ethical Hacker. He has been assigned the project of testing the preattack phase to check the security of the We-are-secure network: Gathering information Determining the n

APNIC is the Asia-Pacific regional internet registry used for IP address allocation lookups, not a tool for scanning open ports or identifying running services.

SuperScan is a TCP/UDP port scanning utility developed by Foundstone that actively probes target systems to enumerate open ports and identify applications or services listening on those ports. It is purpose-built for the network scanning stage of ethical hacking where the tester must move beyond passive information gathering to active service enumeration. The other choices are regional internet registries used for passive WHOIS-style lookups, not active port scanning.

ARIN is the American Registry for Internet Numbers, a resource for querying IP address ownership records, not a port scanner or application enumeration tool.

RIPE is a regional internet registry serving Europe and the Middle East that manages IP address delegation but cannot actively probe hosts for open ports or running applications.