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Country · ISO ES

Spain

Last fetched

Spain (ES) is home to 1,149 Autonomous Systems registered in the WhisperGraph infrastructure dataset. As of Mon, 11 May 2026 04:00:44 GMT, networks based in Spain announce 18,684 routed IP prefixes and host approximately 319 sampled IPv4 addresses across the country's largest operators.

Top operators

ASNs based in Spain ranked by routed-prefix count.

  1. UNI2-ASAS124798,759 prefixes
  2. PLZ-AS-AS200845464 prefixes
  3. VODAFONE-CZ-AS-5AS29119425 prefixes
  4. TRUESERVER-AS TrueServer BV AS numberAS15704367 prefixes
  5. TELEFONICA_DE_ESPANAAS3352226 prefixes
  6. EQUINIX-FABRIC-HAMBURGAS34977166 prefixes
  7. GSVNET-AS GS Virtual Network ProdubanAS2134132 prefixes
  8. STRAUSS-ASAS205563124 prefixes
  9. AS8903 Lyntia Networks. Peering AS.AS8903118 prefixes
  10. EUSKALTELAS12338118 prefixes

Top hosting concentrations

ASNs based in Spain ranked by hosted IPv4 count.

  1. AS3324_FUJITSU_SPAINAS3324294 IPs
  2. ESICAS211414 IPs
  3. GSVNET-AS GS Virtual Network ProdubanAS213411 IPs
  4. REDIRIS RedIRIS Autonomous SystemAS7660 IPs
  5. AS6739AS67390 IPs
  6. TELEFONICA_DE_ESPANAAS33520 IPs
  7. WIFIBERAS26060 IPs
  8. SARENETAS32620 IPs
  9. FIBRAWORLD-ASAS33390 IPs
  10. VADAVOAS55050 IPs

Threat density

IPv4 addresses registered in Spain that appear on at least one threat feed.

3listed IPs (snapshot Mon, 11 May 2026 04:00:44 GMT)

Related pages

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Cypher and MCP

Reproduce the headline metric directly against graph.whisper.security:

MATCH (a:ASN)-[:HAS_COUNTRY]->(c:COUNTRY {name: "ES"})
RETURN count(DISTINCT a) AS asn_count

Or query Whisper from your own LLM workflow via the Whisper MCP server.