Japan Fixed Broadband H1 2026: So-net Leads With 357.71 Mbps Speed

Japan Fixed Broadband H1 2026: So-net emerged as Japan’s strongest fixed broadband provider for overall network performance, delivering a 357.71 Mbps download speed, 240.55 Mbps upload speed and 11 ms latency, according to Ookla’s H1 2026 assessment. Top ISPs in Japan 2026 The results highlight the strength of Japan’s high-speed broadband infrastructure as operators compete on download and upload speeds, latency, gaming performance, network consistency and customer experience.