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Domain footprint: southwest.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: 66.150.1.229 → Unitas Global · 208.94.155.99 → Southwest Airlines Co.
Mail: mail02.wnco.com → Cogent Communications, LLC · outgoing.wnco.com → Cogent Communications, LLC
SPF sends via: luv.southwest.com · spf.messagelabs.com · cmail1.com · amadeus.com

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

  1. SOUTHWEST POWER POOL, INC. 32 netblocks · United States Verified company
  2. SOUTHWEST AIRLINES CO. 12 netblocks · United States Verified company
  3. Empire Southwest, LLC 4 netblocks · United States Verified company
  4. SOUTHWEST GAS HOLDINGS, INC. 3 netblocks · United States Verified company
  5. Southwest, LLC 2 netblocks · United States Verified company
  6. SOUTHWEST MINNESOTA BROADBAND SERVICES 51 netblocks · PEERINGDB registry Routing
  7. South West Communications Group Ltd 39 netblocks · United Kingdom Routing
  8. Southwest Arkansas Telephone Cooperative 31 netblocks · ARIN registry Routing
  9. Southwestern Wireless, Inc. 21 netblocks · ARIN registry Routing
  10. Southwest Research Institute 19 netblocks · ARIN registry Routing
  11. University of Texas Southwestern Medical Center 16 netblocks · ARIN registry Routing
  12. Southwest Texas Communications 15 netblocks · ARIN registry Routing
  13. Southwest Cyberport, Inc. 11 netblocks · ARIN registry Routing
  14. SOUTHWEST-ONE 8 netblocks · United Kingdom Routing
  15. SOUTH-WEST-COMMS 8 netblocks · United Kingdom Routing
  16. SWKO - SouthWest Kansas Online 6 netblocks · ARIN registry Routing
  17. Southwest Tennessee Community College 6 netblocks · ARIN registry Routing
  18. Southwestern Bell Mobile Systems 6 netblocks · ARIN registry Routing
  19. Southwest Ohio Computer Association 5 netblocks · ARIN registry Routing
  20. Southwestern Adventist University 3 netblocks · ARIN registry Routing