J:COM FTTH / EPON‑based fibre network (in areas upgraded for high‑speed). J:COM has upgraded parts of its network with EPON fibre in Kansai and other regions (Source).
Japan
Network: Any physical infrastructure network that forms a telecom-related network and occupies physical space in/on the ground.
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J:COM FTTH / EPON‑based fibre network (in areas upgraded for high‑speed). J:COM has upgraded parts of its network with EPON fibre in Kansai and other regions. Establishment date checked but not reliably determined. (Source).