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United States

Last fetched

United States (US) is home to 31,526 Autonomous Systems registered in the WhisperGraph infrastructure dataset. As of Mon, 18 May 2026 04:00:52 GMT, networks based in United States announce 346,808 routed IP prefixes and host approximately 9,345 sampled IPv4 addresses across the country's largest operators.

Top operators

ASNs based in United States ranked by routed-prefix count.

  1. AMAZON-02 - Amazon.com, Inc.AS1650920,656 prefixes
  2. ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.AS227736,261 prefixes
  3. CLOUDFLARENET - Cloudflare, Inc.AS133355,401 prefixes
  4. AS-VULTR - The Constant Company, LLCAS204734,835 prefixes
  5. CABLEONE - CABLE ONE, INC.AS114924,605 prefixes
  6. CHARTER-20115 - Charter Communications LLCAS201154,542 prefixes
  7. COGENT-174 - Cogent Communications, LLCAS1744,314 prefixes
  8. VIASAT-SP-BACKBONE - ViaSat,Inc.AS71553,884 prefixes
  9. MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications CorpAS300363,835 prefixes
  10. CELLCO-PART - Verizon BusinessAS61673,798 prefixes

Top hosting concentrations

ASNs based in United States ranked by hosted IPv4 count.

  1. NYU-DOMAIN - New York UniversityAS129,314 IPs
  2. MIT-GATEWAYS - Massachusetts Institute of TechnologyAS318 IPs
  3. ISI-AS - University of Southern CaliforniaAS45 IPs
  4. UDEL-DCN - University of DelawareAS25 IPs
  5. CMU-ROUTER - Carnegie Mellon UniversityAS92 IPs
  6. RICE-AS - Rice UniversityAS81 IPs
  7. LVLT-1 - Level 3 Parent, LLCAS10 IPs
  8. CSNET-EXT-AS - CSNET Coordination and Information Center CSNET-CICAS100 IPs
  9. BULL-HN - ATOS IT Solutions and Services, Inc.AS60 IPs
  10. SYMBOLICS - WFA Group LLCAS50 IPs

Threat density

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

1listed IPs (snapshot Mon, 18 May 2026 04:00:52 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: "US"})
RETURN count(DISTINCT a) AS asn_count

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