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19 organisations match “optical.or.kr”, closest first.

  1. TON Total Optical Networks AG 13 netblocks · Switzerland Verified company
  2. OPTICAL CABLE CORPORATION 6 netblocks · United States Verified company
  3. שמיר תעשית אופטיקה בע"מ 2 netblocks · Israel Verified company
  4. Optical Structural Network Ltd. 57 netblocks · RIPE registry Routing
  5. Fiber Optical Network LLC 34 netblocks · RIPE registry Routing
  6. Arkansas Research and Education Optical Network 32 netblocks across 2 records under this name · ARIN registry Routing
  7. Specsavers Optical Group Limited 31 netblocks · RIPE registry Routing
  8. Frontier Optical Networks Ltd 26 netblocks · PEERINGDB registry Routing
  9. EOS-GMBH-ELECTRO-OPTICAL-SYSTEMS 26 netblocks · United States Routing
  10. Louisiana Board of Regents/Louisiana Optical Network Initiative 25 netblocks · ARIN registry Routing
  11. OPTICAL EXPRESS LIMITED 19 netblocks · RIPE registry Registry
  12. VOLYN OPTICAL NETWORKS LLC 11 netblocks · RIPE registry Routing
  13. Optical Broadband Communication Pvt. Ltd 9 netblocks Routing
  14. QUARK-OPTICAL 9 netblocks · RIPE registry Routing
  15. Mowna Optical Fiber Network 8 netblocks · APNIC registry Routing
  16. Passive Optical Networks FiberBG EOOD 8 netblocks · RIPE registry Routing
  17. Optical Communication 7 netblocks · APNIC registry Routing
  18. Ss Fiber Net Optical Communication Pvt. Ltd. 7 netblocks Routing
  19. NET-GB-Metro-Optical 7 netblocks · RIPE registry Routing