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Domain footprint: citibank.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: 104.94.222.171 → Akamai Technologies, Inc. · 104.96.178.165 → Akamai Technologies, Inc.
Mail: mx-a.mail.citi.com → Proofpoint, Inc. · mx-b.mail.citi.com → Proofpoint, Inc.
SPF sends via: spf-00123c01.pphosted.com

Separately, 18 organisations whose name resembles “citibank.com” — these may be unrelated to the domain above.

  1. CITIGROUP INC. 228 netblocks across 5 companies in this group Corporate group
  2. Citibank N.A. 3 netblocks · United States Verified company
  3. CITIBANKNA 29 netblocks · Italy Routing
  4. CITIBANK-SG 14 netblocks · APNIC registry Routing
  5. CITIBANK 8 netblocks · RIPE registry Routing
  6. CITIBANKAS 4 netblocks · Czechia Routing
  7. RU-SOVINTEL-MSK-Citibank-NET 3 netblocks · Bermuda Routing
  8. CitiBank_INET 2 netblocks · RIPE registry Routing
  9. CITIBANK-N-A 2 netblocks · United States Routing
  10. NET-GB-CITIBANK-NA 2 netblocks · RIPE registry Routing
  11. CITIBANK-FRANKFURT-AM-MAIN-NET 2 netblocks · Germany Routing
  12. CH-CITIBANK-20241227 2 netblocks · United States Routing
  13. STM-CITIBANK 2 netblocks · APNIC registry Handle
  14. FASTWEB-CITIBANK_N_A 2 netblocks · Switzerland Routing
  15. CITIBANKNA-SG 2 netblocks · APNIC registry Routing
  16. NET-DE-CITIBANK-NA 1 netblock · RIPE registry Routing
  17. NET-CZ-CITIBANK 1 netblock · RIPE registry Routing
  18. NET-FR-CITIBANK-NA 1 netblock · RIPE registry Routing