{"uid":"cap_9RHbt11_ABIz9-a0ekmI-","slug":"ip-to-asn-change-watch-aecb76aa","name":"IP-to-ASN Change Watch","description":"Change watch for ip to asn: runs the check and compares it with the result from your previous call for the same ip (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when ip to asn lookup changes. $0.01 per check.","url":"https://intel.rallylive.ca/watch/ip/asn","method":"GET","headers":{},"bodySchema":{"type":"object","$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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Gcx5nT5SX6wAcCO1BHg4U","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Monitors an IP address's ASN mapping and reports whether it has changed since the last check, including which fields changed and their before/after values.","exampleAgentPrompt":"Keep an eye on 8.8.8.8 for me — check its ASN mapping and tell me if anything has changed since the last time you looked, including exactly which fields are different and what they were before.","exampleUseCases":[{"title":"ISP migration detection for a monitored host","prompt":"Check the ASN for 203.0.113.42 and tell me if it's changed since last time — I want to know if this server has switched ISPs or moved to a different network."},{"title":"Threat intel routing change alert","prompt":"I'm tracking a known malicious IP at 185.220.101.5. Has its ASN changed recently? Tell me what changed, what it was before, and when it was last seen."},{"title":"Scheduled network infrastructure monitoring","prompt":"Run the IP-to-ASN watch check on 1.1.1.1 and report back whether the ASN mapping has changed, and if so, what fields flipped and what the old versus new values are."}],"resultDescription":"Returns the current IP-to-ASN mapping, a boolean 'changed' flag indicating whether the result differs from the previous call for the same IP (stored up to 90 days), a list of exactly which fields changed with before and after values, and a timestamp of when the IP was last seen.","failureModes":["IP address not provided or malformed — query parameter missing or invalid format","No previous result exists for the IP (first call returns current data with changed=false or null diff)","Stored result has expired beyond the 90-day window — comparison unavailable","Payment failure via x402 — endpoint returns 402 if USDC payment is not included","Network or upstream ASN data source unavailable — may return error or stale data"],"whenToPreferThis":"Use this endpoint when you need to detect changes in an IP's ASN mapping over time rather than just performing a one-time lookup. It is ideal for scheduled monitoring workflows where you want to be notified of BGP routing changes, ISP migrations, or network reassignments without maintaining your own state — the service stores the last result for 90 days and handles the diff computation for you.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:57.830Z","isFirstParty":false}