NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI) Login

Updated

The NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI) is a modem-router (gateway) whose admin page answers on 192.168.1.1. There is no factory password: you create one the first time you open the admin page.

Contents
  1. NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI) default login
  2. How to log in to the NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI)
  3. If the login does not work
  4. Other NTT East models
  5. More help
  6. Frequently asked questions

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

ModelLogin addressUsernamePasswordSource
Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI)192.168.1.1userYou set it at setupOfficial doc

Checked against NTT East official — PR-500MI/RS-500MI/RT-500MI 機能詳細ガイド「Web設定」の使いかた on 31 Aug 2026 (high confidence), via the ssid.ai dataset (CC BY 4.0).

“NTT East's standard-issue Hikari Denwa (光電話) fibre home gateway for FLET'S customers, Japan.”

How to log in to the NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI)

  1. Connect to the NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI) by Wi-Fi or a network cable. On a phone, turn off mobile data.
  2. Open a browser and go to 192.168.1.1.
  3. Sign in with user / You set it at setup.
  4. Open the Wireless or Wi-Fi section to change the network name and password.

If the login does not work

  • Someone may have changed it. A factory reset restores the login above.
  • Reset: hold the Reset button for about 10 seconds while the device is powered on.
  • Wrong address? Check your default gateway — see how to find your router’s IP.
  • Type http://, not https://, and turn off any VPN or Private DNS.

Other NTT East models

ModelLogin addressUsernamePasswordSource
PR-600KI Hikari Denwa Home Gateway192.168.1.1userYou set it at setupOfficial doc
PR-500KI Home Gateway192.168.1.1userYou set it at setupOfficial doc

More help

Frequently asked questions

What is the default password for the NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI)?

Username user, password You set it at setup.

What is the NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI) IP address?

The admin page is at 192.168.1.1.

How do I reset the NTT East Hikari Denwa Home Gateway (PR-500MI / RS-500MI / RT-500MI)?

Hold the Reset button for about 10 seconds while the device is powered on.