{"uid":"cap_WnVc-qws4p9P2XYCIq5sj","slug":"sitecheck-web-intel-ip-geolocation-asn-lookup-ac5948bf","name":"SiteCheck Web Intel IP Geolocation & ASN Lookup","description":"IPv4 or IPv6 address → covering BGP prefix, origin AS number and holder name, whether the prefix is announced, and a coarse country and map point, all from RIPEstat. Location is an estimate (a block-level database), not a street address; the city is often empty.","url":"https://api.webintel-api.workers.dev/api/security/ip-geolocation-asn?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["ip"],"properties":{"ip":{"type":"string","description":"IPv4 or IPv6 address such as 8.8.8.8 (required)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XKuFkDfKNb7A0UVKghAEC","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves an IPv4 or IPv6 address to its BGP prefix, origin AS number, AS holder name, announcement status, and coarse country/coordinates via RIPEstat","exampleAgentPrompt":"Can you look up the ASN, BGP prefix, and approximate country for the IP address 203.0.113.45 — I want to know who owns that network and whether the prefix is currently announced?","exampleUseCases":[{"title":"Investigating suspicious login origin","prompt":"I have a suspicious login from IP 185.220.101.34 — can you tell me what autonomous system and country it belongs to, and whether that BGP prefix is actively announced?"},{"title":"Enriching server inventory with network info","prompt":"What ASN, BGP prefix, and country is associated with the IP 104.21.0.1? I'm building a network map of our infrastructure."},{"title":"Threat intel triage for security team","prompt":"We're seeing traffic from 45.142.212.100 — look up its origin AS number, holder name, and covering BGP prefix so I can figure out if it's a known hosting provider or residential network."}],"resultDescription":"Returns the covering BGP prefix for the IP, the origin AS number and AS holder/organization name, whether that prefix is currently announced in BGP, and a coarse geolocation including country code and approximate lat/lng coordinates (block-level estimate from RIPEstat, city often absent).","failureModes":["Invalid or malformed IP address returns an error response","Private/reserved IP ranges (e.g. 192.168.x.x, 10.x.x.x) may return no BGP data","IP not covered by any announced prefix returns no ASN data","RIPEstat upstream unavailability causes timeout or 502-class errors","IPv6 addresses may have less complete geolocation data than IPv4"],"whenToPreferThis":"Choose this endpoint when you need BGP-level network attribution (ASN, prefix, holder) combined with coarse geolocation in a single call, especially for security investigation, network enrichment, or routing analysis. It is better than pure geolocation APIs when AS/BGP data matters. For precise street-level location, use a dedicated commercial geolocation service. For blacklist/reputation checks, pair with complementary endpoints like CI Army or Talos on the same platform.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:33:38.265Z","isFirstParty":false,"canonicalSlug":"sitecheck-web-intel-ip-geolocation-asn-lookup-ac5948bf"}