Autonomous System

Host Autonomous System information reveals key details about a host's network origin. It provides the Autonomous System Number (ASN), location, and managing organization, offering a snapshot of the network's identity. A complete list of host data fields and information is available in the in-app data definitions page.

Example fields

FieldTypeDescription
autonomous_systemobject
autonomous_system_asnunsigned longThe ASN of the host's autonomous system.
autonomous_system.bgp_prefixip rangeThe autonomous system's CIDR.
autonomous_system.country_codekeywordThe autonomous system's two-letter ISO 3166-1 alpha-2 country code (US, CN, GB, RU, ...).
autonomous_system.descriptiontextBrief description of the autonomous system.
autonomous_system.nametextThe friendly name of the autonomous system.
autonomous_system.organizationtextThe name of the organization managing the autonomous system.

Example queries

Query descriptionLegacy Search queryRun query in Legacy Search
Find hosts with a specific ASNautonomous_system.asn: 15169Try it
Find hosts with a specific ASN nameautonomous_system.name: CloudflareTry it