Darknet - Hacking Tools, Hacker News & Cyber Security Follow asnip – ASN Reconnaissance via Domain and IP Mapping asnip maps domains and IPs to their Autonomous System Numbers (ASNs), retrieves CIDRs, and converts them into IPs for reconnaissance. https://www.darknet.org.uk/2025/09/asnip-asn-reconnaissance-via-domain-and-ip-mapping/ darknet.org.uk