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JP ISP Observatory · Japan

Internet providers in Japan, measured from real homes

As of 2026-08-27, 3 real homes across 1 provider are measured in Japan; none has reached the 5-home threshold required for ranking yet.

Median latency with the home Wi-Fi hop subtracted, jitter and packet loss — continuous 24/7 measurements, not a one-off speedtest. Updated daily.

Updated 2026-08-27 · 3 measured homes · 1 ISP
No measurements yet for this country.
Collecting data — 1 more provider measured, below the 5-home threshold needed for ranking.
· Sony Network CommunicationsAS2527 8 ms 3/5 12.5 ms 0.0% ▲ +4
How to read this: latency is the median round-trip to well-known anchors (1.1.1.1, 8.8.8.8, 9.9.9.9) measured from each home, minus that home's own Wi-Fi hop. A provider is ranked only with 5+ measured homes. Full details in the methodology.
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