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NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI) default password & login IP

The NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI) has no default password — you set one the first time you configure it at http://192.168.1.1.

For regaining access to a router you own or administer. If you didn't set it up, ask whoever did.
Login address
http://http://ntt.setup/
Gateway IP
192.168.1.1
Username
user
Password
— no default —

You create this password the first time you set up the router. If you never changed it, factory-reset and set a new one.

NTT East's standard-issue Hikari Denwa (光電話) fibre home gateway for FLET'S customers, Japan. Fixed login username 'user'; no static default password — it must be created (8–32 alphanumeric chars) during first-time setup. NTT East official guide: "ユーザ名には'user'、パスワードには 手順5.で設定した機器設定用パスワードを入力する."

Factory reset

Consult the unit's manual/label for the physical Reset button hold-time before use.

More NTT East models

Source: NTT East official — PR-500MI/RS-500MI/RT-500MI 機能詳細ガイド「Web設定」の使いかたverified · updated 2026-08-10

FAQ

What is the default password for the NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI)?
The NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI) has no default password — you set one the first time you configure it at http://192.168.1.1.
What is the default login IP for the NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI)?
The NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI) default login IP is 192.168.1.1 — open http://192.168.1.1 in a browser on the router's own network.
What is the default username for the NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI)?
The NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI) default admin username is user. There is no matching default password — you set that yourself the first time you configure the router.
How do I factory-reset the NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI)?
Consult the unit's manual/label for the physical Reset button hold-time before use.

Verification history (1)

Every time we've checked this model's default credentials, oldest first — including when nothing changed. Absence of change over time is itself the evidence.

  1. 2026-08-10First verified· set-on-setup
    source →
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