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Domain footprint: os.uk

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: 62.255.172.80 → SOUTHAMPTON
Mail: ordnancesurvey.mail.protection.outlook.com → Microsoft Corporation
SPF sends via: spf.protection.outlook.com · sharepointonline.com · inc.emailr.com · amazonses.com

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

  1. UK-ONEFIBRE-LONDON 90 netblocks · United Kingdom Routing Unverified name
  2. UK-OPALNET-20240705 39 netblocks · United Kingdom Routing
  3. RSPC-UK-OLX-PLATFORM 20 netblocks · Switzerland Routing
  4. UK-OPALNET-20241904 15 netblocks · United Kingdom Routing
  5. UK-OTWA-CLOUD 12 netblocks · RIPE registry Routing
  6. RSPC-UK-OECONNECTION 12 netblocks · Switzerland Routing
  7. RSPC-UK-OPTIMIZED-SYSTEMS-AND-SOLUTIONS 11 netblocks · Switzerland Routing
  8. Tenderpos UK Limited 11 netblocks · RIPE registry Routing
  9. Nomios UK&I Limited 9 netblocks · RIPE registry Routing
  10. RSPC-UK-OD-Consultancy 9 netblocks · Switzerland Routing
  11. UK-OAK-OFL 9 netblocks · United Kingdom Routing
  12. UK-ONEPOUNDWEBHOSTING-20160428 7 netblocks · RIPE registry Routing
  13. RSPC-UK-Onformonics-Europe 6 netblocks · Switzerland Routing
  14. UK-OSG-BERKELEY 4 netblocks · United Kingdom Routing
  15. UK-OUTCOMES-NEWTON 4 netblocks · United Kingdom Routing
  16. MAV Studios UK LTD 4 netblocks · RIPE registry Routing
  17. UK-ONEFIBREVERNONSICILIANHS-LDN 4 netblocks · United Kingdom Routing
  18. UK-OneFibre45WhitfieldStreet-London 4 netblocks · United Kingdom Routing
  19. UK-OPTIONS-980105 4 netblocks · United Kingdom Routing
  20. RSPC-UK-OCTA-MARKETS-INCORPORATED 4 netblocks · Switzerland Routing