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20 organisations match “Optical Tel”, closest first.

  1. TON Total Optical Networks AG 13 netblocks · Switzerland Verified company
  2. OPTICAL CABLE CORPORATION 9 netblocks · United States Verified company
  3. שמיר תעשית אופטיקה בע"מ 2 netblocks · Israel Verified company
  4. Optical Communications Technologies B.V. 1 netblock · Netherlands Verified company
  5. Fiber Optical Network LLC 92 netblocks · RIPE registry Routing
  6. Optical Structural Network Ltd. 57 netblocks · RIPE registry Routing
  7. Specsavers Optical Group Limited 31 netblocks · RIPE registry Routing
  8. Frontier Optical Networks Ltd 28 netblocks · PEERINGDB registry Routing
  9. RIOTELE-REAL INTERNET OPTICA TELECOMUNICACOES 28 netblocks · ARIN registry Routing
  10. Louisiana Board of Regents/Louisiana Optical Network Initiative 26 netblocks · ARIN registry Routing
  11. EOS-GMBH-ELECTRO-OPTICAL-SYSTEMS 26 netblocks · United States Routing
  12. Arkansas Research and Education Optical Network 24 netblocks · ARIN registry Routing
  13. ETECC FIBRA OPTICA TELECOM LTDA 20 netblocks · ARIN registry Routing
  14. OPTICAL EXPRESS LIMITED 19 netblocks · RIPE registry Registry
  15. VOLYN OPTICAL NETWORKS LLC 11 netblocks · RIPE registry Routing
  16. Optical Broadband Communication Pvt. Ltd 10 netblocks Routing
  17. QUARK-OPTICAL 9 netblocks · RIPE registry Routing
  18. Mowna Optical Fiber Network 8 netblocks · APNIC registry Routing
  19. Passive Optical Networks FiberBG EOOD 8 netblocks · RIPE registry Routing
  20. Optical Communication 7 netblocks · APNIC registry Routing
Also found inside another provider's network (10)

Address space an ISP reassigned to this organisation, read from the ISP's own naming convention — not space the organisation registered itself.

  1. Lalin Optical inside DYXNET of Shenzhen Communication Co., Ltd. Sub-allocation
  1. Optical inside Nour Internet Company for Communications and Information Technology Ltd. Sub-allocation
  1. FIRST-OPTICAL-LTD inside Virtual1 Limited Sub-allocation
  1. HKOPTICALL inside Hong Kong Broadband Network Limited Sub-allocation
  1. Optical Networking inside Netia SA Sub-allocation
  1. Adva Optical Networking Se inside COLT Technology Services Group Limited Sub-allocation
  1. BLUE_EYES_OPTICAL_O_C_K7158-00004-002 inside Societe Francaise Du Radiotelephone - SFR SA Sub-allocation
  1. OPTICALSRL Sub-allocation
  1. Optical_Elements_and_Systems_LTD inside Vivacom Bulgaria EAD Sub-allocation
  1. AMOPTICALSRL Sub-allocation