{"slug":"asn-lookup-ffba539d","name":"ASN Lookup","summary":"Given an internet address (IP) or a network identification number (ASN), this tool returns who operates that piece of the internet: the network number, the owner's name, the country it's registered in, the regional registry that manages it, and the exact address range it belongs to.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:15.917441Z","sources":[{"source":"x402_bazaar","external_id":"https://asn-lookup.underscoredone.com/lookup","owner_address":"0xe9740820225b3918b4ddd1292c7ca4ca0e2c2f08","seen_at":"2026-10-26T05:59:08.413204Z","removed_at":null}],"endpoints":[{"url":"https://asn-lookup.underscoredone.com/lookup","host":"asn-lookup.underscoredone.com","protocol":"x402","state":"live","last_probe_at":"2026-10-25T18:33:17.981479Z","last_ok_at":"2026-10-25T18:33:17.981479Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"asn-lookup-underscoredone-com-3fd460f4","name":"asn-lookup.underscoredone.com"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":5,"paid_calls_30d":7,"last_paid_at":"2026-10-21T21:25:24.352Z","reported_at":"2026-10-26T05:59:08.413204Z"},"notice":"Not affiliated with addrbook — claim or request removal."}