{"uid":"cap_SOLSnV8guptYrJC1yRvGn","slug":"asn-info-lookup-ripestat-dbd1feec","name":"ASN Info Lookup (RIPEstat)","description":"Information about an autonomous system: holder, whether it announces routes, registry block, number of IPv4 and IPv6 prefixes announced, approximate IPv4 addresses and a sample of prefixes. RIPEstat data.","url":"https://api.vextorium.com/asn-info-pago?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"asn":{"type":"string"}}},"responseSchema":{"type":"json","example":{"asn":13335,"bloque":"Assigned by ARIN","fuente":"RIPEstat (RIPE NCC)","anuncia":true,"titular":"CLOUDFLARENET - Cloudflare, Inc.","prefijos_ipv4":2478,"prefijos_ipv6":3057,"muestra_prefijos":["104.28.1.0/24","162.158.106.0/24"],"direcciones_ipv4_aprox":1498368}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8Yieio04x8sCHYwjcNeKQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns structured information about an autonomous system number (ASN): holder name, route announcement status, registry block, prefix counts, approximate IPv4 addresses, and a sample of announced prefixes, sourced from RIPEstat.","exampleAgentPrompt":"Look up ASN 13335 for me — I want to know who holds it, whether it's currently announcing routes, how many IPv4 and IPv6 prefixes it has, and a few example prefixes.","exampleUseCases":[{"title":"Identify network operator behind an IP","prompt":"I traced some suspicious traffic back to ASN 209242 — can you look it up and tell me who owns it, whether it's actively announcing routes, and how big their IP footprint is?"},{"title":"Research BGP footprint of a cloud provider","prompt":"Give me an overview of Cloudflare's ASN 13335: who it's registered to, which registry block it came from, the number of IPv4 and IPv6 prefixes it announces, and a sample of those prefixes."},{"title":"Validate ASN before peering decision","prompt":"We're considering peering with AS3356 — can you pull up its RIPEstat info so I can see the holder name, whether it's actively routing, and roughly how many IPv4 addresses it covers?"}],"resultDescription":"A JSON object containing: the ASN number, the registered holder name (titular), the registry block assignment (bloque), a boolean indicating whether routes are announced (anuncia), the data source (fuente, always RIPEstat), the count of announced IPv4 and IPv6 prefixes, the approximate number of IPv4 addresses, and a sample array of announced prefix CIDRs.","failureModes":["Invalid or non-existent ASN returns null fields or an error response","ASN that exists in registry but announces no routes returns anuncia: false with zero prefix counts","Network timeout from upstream RIPEstat API results in a service error","Malformed ASN string input (e.g. non-numeric) may return a validation error"],"whenToPreferThis":"Choose this endpoint when you need structured, parsed ASN metadata including prefix counts, holder identity, and route announcement status in a single call, backed by RIPEstat data. Prefer this over raw WHOIS lookups when you need machine-readable output with IPv4/IPv6 prefix statistics and sample prefixes without parsing raw registry text.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:42:18.753Z","isFirstParty":false,"canonicalSlug":"asn-info-lookup-ripestat-dbd1feec"}