Public datasets & feeds.
A small selection of datasets and rolling feeds we publish openly, derived from our continuous observation of the public internet. Updated on the cadences shown. For bespoke data products or higher-frequency access, see contact.
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Global TLD Inventory
dailyAuthoritative inventory of every active top-level domain, with registry, IANA status, and DNSSEC adoption flags.
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Certificate Authority Census
weeklyAll publicly-trusted certificate authorities observed issuing in the last 30 days, with issuance volume and root chain.
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Autonomous System Topology
dailyDaily snapshot of inferred AS-to-AS peering relationships across the global routing table, with provider, peer, and customer cones.
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Open Service Distribution
weeklyAggregate counts of publicly-reachable services on the IPv4 internet, grouped by port, protocol, and announced AS. No host-level data.
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DNS Zone Coverage Index
monthlyPer-TLD statistics on observed authoritative resolution, NSEC walking coverage, and CDS/DS records, useful as a research baseline.
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IPv4 Reachability Pulse
dailyCoarse-grained reachability counts derived from continuous ICMP and TCP probing, aggregated to /24 to remove host-level identifiers.
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Reserved & Bogon Address Ledger
monthlyMaintained list of IANA-reserved, special-use, and bogon ranges observed in the routing table over the prior 90 days.
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Public Resolver Inventory
weeklyIndex of publicly-reachable recursive DNS resolvers with EDNS, DNS-over-HTTPS, and QNAME minimisation support flags.
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Long-Lived Infrastructure Index
monthlyHosts and names that have remained observable in our record for more than five years, useful as a stability reference for analysts.