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19 organisations match “Optical Tel”, 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. RIOTELE-REAL INTERNET OPTICA TELECOMUNICACOES 28 netblocks · ARIN registry Routing
  9. Frontier Optical Networks Ltd 26 netblocks · PEERINGDB registry Routing
  10. EOS-GMBH-ELECTRO-OPTICAL-SYSTEMS 26 netblocks · United States Routing
  11. Louisiana Board of Regents/Louisiana Optical Network Initiative 25 netblocks · ARIN registry Routing
  12. ETECC FIBRA OPTICA TELECOM LTDA 20 netblocks · ARIN registry Routing
  13. OPTICAL EXPRESS LIMITED 19 netblocks · RIPE registry Registry
  14. VOLYN OPTICAL NETWORKS LLC 11 netblocks · RIPE registry Routing
  15. Optical Broadband Communication Pvt. Ltd 9 netblocks Routing
  16. QUARK-OPTICAL 9 netblocks · RIPE registry Routing
  17. Mowna Optical Fiber Network 8 netblocks · APNIC registry Routing
  18. Passive Optical Networks FiberBG EOOD 8 netblocks · RIPE registry Routing
  19. 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. Uniscop-Optical-Systems inside Partner Communications Ltd. Sub-allocation
  1. MALVERN-OPTICAL-LTD inside Virgin Media Limited Sub-allocation
  1. LASER-OPTICAL inside Jisc Services Limited Sub-allocation
  1. Optical-Access-Extranet inside Cellcom Fixed Line Communication L.P Sub-allocation
  1. SAS-OPTICALL-TELECOM inside Lewis Brown Sub-allocation
  1. MANNIXOPTICAL inside SingTel Optus Pty Ltd Sub-allocation