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Domain footprint: att.com

Resolved live just now — where this domain's services actually run, with each address attributed by OrgIndex. A DNS observation, not registry data: many organisations run entirely on providers' networks and hold no IP space of their own.

Web: 144.160.155.43 → AT&T Services, Inc. · 144.160.36.42 → AT&T Services, Inc.
Mail: mx0a-00191d01.pphosted.com → Proofpoint, Inc. · mx0b-00191d01.pphosted.com → Proofpoint, Inc. · mxa-00191d01.gslb.pphosted.com → Proofpoint, Inc. · mxb-00191d01.gslb.pphosted.com → Proofpoint, Inc.
SPF sends via: %{ir}.%{v}.%{d}.spf.has.pphosted.com

Separately, 20 organisations whose name resembles “att.com” — these may be unrelated to the domain above.

  1. SERVERS TECH FZCO 1,271 netblocks · RIPE registry Routing Unverified name
  2. GAS&COM AG 17 netblocks · PEERINGDB registry Routing
  3. Rackhosting.com ApS 14 netblocks · RIPE registry Routing
  4. BRASILNETS COM. ATAC. DE EQ. INFORMATICA LTDA ME 11 netblocks · ARIN registry Routing
  5. YIWU-TELECOM-ATTENDANCE 10 netblocks · APNIC registry Routing
  6. ATT-C-IPAM 8 netblocks · APNIC registry Routing
  7. FR-EKOSPORT-ACHATSKI-COM-ACHAT-SKI-COM-HA--LB_INTERNET 5 netblocks · RIPE registry Routing
  8. www.adk-media.com ADK-Media 4 netblocks · RIPE registry Routing
  9. NET-DE-FINANCIAL-COM 4 netblocks · RIPE registry Routing
  10. WEB-COM-AP 4 netblocks · APNIC registry Routing
  11. FR-CTRE-COM-ACTION-SOCIALE-DE-MARTIGUES--LB_INTERNET 4 netblocks · RIPE registry Routing
  12. C2A Internet.com.au Pty. Ltd. 3 netblocks · APNIC registry Routing
  13. ATT_COUNTRYALLOC_SG 3 netblocks · APNIC registry Routing
  14. SUZHOU-TELECOM-ATTEMPER-CENTER 3 netblocks · APNIC registry Routing
  15. Servers.com Asia Limited 3 netblocks · APNIC registry Routing
  16. FR-CTRE-COM-ACTION-SOCIALE-DE-MARTIGUES 3 netblocks · RIPE registry Routing
  17. FR-TOUS-LES-EDITEURS-COM-AUBS3 3 netblocks · RIPE registry Routing
  18. ATT-CT 3 netblocks · United States Routing
  19. FR-COMMUNAUTE-COM-ARC-SUD-BRETAGNE--LB_INTERNET 3 netblocks · RIPE registry Routing
  20. FR-CTE-COM-ACTION-SOCIALE-LA-VALETTE-DU-V--LB_INTERNET 3 netblocks · RIPE registry Routing