optonline.net
One organisation, resolved across 4 separately-registered clusters linked by shared operating domain optonline.net — not name similarity, so genuinely different organisations that share a name are excluded.
4 clusters ·
314 netblocks ·
7,868,756 IPv4 addresses
Member clusters
- Cablevision Systems Corp. 123 netblocks
- CSC Holdings Inc., US-DE 90 netblocks
- Optimum Online 90 netblocks
- Optimum WiFi 11 netblocks