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Found 2 Skills
Investigate a phone number — E.164 normalisation with libphonenumber, phoneinfoga scanning, carrier and line-type identification, VoIP and burner detection, messaging-app registration checks, and reverse-lookup and caller-ID sources. Use for phone OSINT, reverse phone lookup, "who owns this number", identifying a burner or VoIP number, or checking whether a number is on WhatsApp, Telegram, or Signal.
Investigate a phone number — E.164 normalisation with libphonenumber, phoneinfoga scanning, carrier and line-type identification, VoIP and burner detection, messaging-app registration checks, and reverse-lookup and caller-ID sources. Use for phone OSINT and reverse phone lookup, "who owns this number", identifying a burner or VoIP number, or checking whether a number is registered on WhatsApp, Telegram or Signal. Applies to vishing and business email compromise investigation, verifying a counterparty before sending payment, recruitment and marketplace scam checks, and fraud triage. Reference at useosint.com/skills/whose-number-is-this.