From the stupid DNS tricks department: ipasn.net
• RIRs maintain databases mapping IPs and ASNs, queryable via whois. • Team Cymru offers DNS-based IP-to-ASN lookup, requiring reversed octets for queries. • IPv4 query example: di
Asn
• RIRs maintain databases mapping IPs and ASNs, queryable via whois. • Team Cymru offers DNS-based IP-to-ASN lookup, requiring reversed octets for queries. • IPv4 query example: di