Japan
The Netflix ISP Speed Index is a measure of prime time Netflix performance on particular ISPs (internet service providers) around the globe, and not a measure of overall performance for other services/data that may travel across the specific ISP network.
ISP Leaderboard - February 2020
| Rank | ISP | Speed Mbps | Previous Mbps | Rank Change | Type | |
|---|---|---|---|---|---|---|
| 1 | au Hikari (KDDI) | 4.18 | 4.26 | No change |
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| 2 | Softbank - Fiber | 3.93 | 3.98 | No change |
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| 3 | UCOM | 3.92 | 3.64 | +1 |
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| 4 | eo Hikari (K-Opticom) | 3.89 | 3.89 | -1 |
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| 5 | iTSCOM | 3.50 | 3.52 | No change |
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| 6 | J:COM | 3.39 | 3.41 | +3 |
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| 7 | Tokai Communications | 3.38 | 3.47 | -1 |
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| 8 | So-net | 3.36 | 3.43 | -1 |
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| 9 | OCN (NTT Com) | 3.34 | 3.43 | -1 |
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| 10 | Asahi Net | 3.31 | 3.32 | No change |
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| 11 | BIGLOBE | 3.19 | 3.19 | +1 |
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| 12 | IIJ | 3.07 | 3.23 | -1 |
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| 13 | KDDI Cable/DSL/Wireless | 2.94 | 3.02 | +1 |
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| 14 | NIFTY | 2.85 | 3.04 | -1 |
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| 15 | VECTANT | 2.81 | 2.90 | No change |
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| 16 | NTTPC InfoSphere | 2.78 | 2.89 | No change |
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| 17 | Softbank - DSL | 2.70 | 2.71 | No change |
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| 18 | Freebit | 2.47 | 2.53 | No change |
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