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Domain footprint: open.ac.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: 137.108.200.89 → Open Fiber S.P.A.
Mail: open-ac-uk.mail.protection.outlook.com → Microsoft Corporation
SPF sends via: spf.protection.outlook.com

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

  1. Northwest Open Access Network 66 netblocks · ARIN registry Routing Unverified name
  2. RSPC UK OPENWORK SERVICES LTD 53 netblocks · RIPE registry Registry
  3. Open Access Technologies Ltd 14 netblocks · AFRINIC registry Routing
  4. RSPC UK OPENCLINICA LLC 11 netblocks · RIPE registry Registry
  5. OPEN ACCESS TECHNOLOGY INTERNATIONAL, INC. 8 netblocks · ARIN registry Routing
  6. RSPC UK OPEN SKY DATA SYSTEMS LTD 8 netblocks · RIPE registry Registry
  7. RSPC UK Openwork Limited 4 netblocks · RIPE registry Registry
  8. RSPC UK OPENPAY PTY LTD 3 netblocks · APNIC registry Registry
  9. RSPC-UK-OPENSTACK-DEVQE 3 netblocks · Switzerland Routing
  10. Open Access Data Centres Ltd 3 netblocks · AFRINIC registry Routing
  11. RSPC UK Openhouse Europe Ltd 2 netblocks · RIPE registry Registry
  12. Reabra | Open Access Network 2 netblocks · PEERINGDB registry Routing
  13. UK-OPEN 1 netblock · United Kingdom Routing
  14. RSPC UK OPEN TEXT UK LIMITED 1 netblock · RIPE registry Registry
  15. UK-OPENVIEWSECURITYSOL-BRIGHOUSE 1 netblock · United Kingdom Routing
  16. UK-OPENMARKET 1 netblock · United States Routing
  17. UK-OPENVIEWSECURITY-ROMFORD 1 netblock · United Kingdom Routing
  18. UK-OPENFOLDE-BELFAST 1 netblock · United Kingdom Routing
  19. UK-OPENVIEWSECURITYSOLUTION-CHRISTCHURCH 1 netblock · United Kingdom Routing
  20. glabo-open-access-infrastructure 1 netblock · RIPE registry Routing