APIActive

Castle IP Intelligence API

Standalone API for IP reputation and infrastructure data, offering real-time lookup, batch queries, and downloadable datasets.

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Field note

What it does

Castle's IP intelligence provides reputation and infrastructure metadata for any IP address, including ASN, location, and observed proxy/VPN tunnels. Exposed as a top-level resource under /v1 with three access patterns: real-time lookup, batch query, and downloadable datasets.

Capabilities

Available capabilities

Batch QueryDataset DownloadIP-based domain discovery

Tags

Tags

IP Intelligence

Ways to use it

Ways to use it

rest

Not filed / https://docs.castle.io/docs/ip-intelligence-api

Product features

Product features

Batch Query

Resolve up to 1,000 IP addresses in a single request.

Dataset Download

Precomputed snapshots of Castle's IP intelligence for syncing into your infrastructure.

Real-time Lookup

Query a single IP address and get intelligence back immediately.