What is the default IP address for MERCURY D191G?

The factory default IP address for MERCURY D191G is http://192.168.1.1.

What is the default username and password for MERCURY D191G?

The default username is "admin" and the default password is "admin".

How do I factory reset the MERCURY D191G?

Locate the small Reset pinhole on the back panel of the MERCURY D191G. Press and hold it with a paperclip for 10-15 seconds while powered on until the LED lights cycle.

MERCURY Home Wi-Fi Wi-Fi 5 (802.11ac) AC1900

MERCURY D191G

Budget residential Gigabit optical fiber upgrades across Mainland China

Open http://192.168.1.1 ↗

Illustration, not a product photo

Gateway IP

192.168.1.1

Factory Username

admin

Factory Password

admin

Technical specifications

Full Gigabit Edition

Manufacturer	MERCURY
Product Series	Full Gigabit Edition
Device Class / Category	Home Wi-Fi
Wireless Standard	Wi-Fi 5 (802.11ac)
Speed Rating	AC1900
Ethernet & Fiber Ports	1x 1G WAN, 3x 1G LAN
Routing / Firewall Throughput	1300 Mbps (5GHz) + 600 Mbps (2.4GHz)
Default Gateway URL	http://192.168.1.1 ↗
Operating System / Firmware	Mercury Mini OS

How to log in to your MERCURY D191G

1 Connect Your Device: Plug your PC into any LAN port on the MERCURY D191G using an Ethernet cable, or connect to the default Wi-Fi SSID printed on the router label.
2 Navigate to Gateway IP: Launch your web browser and enter http://192.168.1.1 into the address bar.
3 Enter Factory Credentials: Enter username "admin" and password "admin", then click Login.
4 Configure Security & Password: Follow the on-screen Quick Setup wizard to customize your Wi-Fi SSID, set WPA3/WPA2-AES encryption, and establish a new master administrator password.

Related MERCURY models

X30G

Home Wi-Fi 192.168.1.1

🔗 Universal Router Directory Network

Explore Gateway IPs, Router Brands & Utilities

All Brands All IPs

Popular Gateway IP Addresses

12 of 90

192.168.1.1 Guide → 192.168.0.1 Guide → 192.168.2.1 Guide → 192.168.1.254 Guide → 10.0.0.1 Guide → 192.168.29.1 Guide → 192.168.178.1 Guide → 192.168.31.1 Guide → 192.168.8.1 Guide → 192.168.100.1 Guide → 192.168.88.1 Guide → 192.168.18.1 Guide →

View all 90 gateway IPs

Top Router Manufacturers

10 of 836

MikroTik 192.168.88.1

Browse all 836 brands

Network Tools & Databases

8 tools

🔍

MAC Address Lookup

Identify Hardware OUI

Fast & Secure Resolvers

Fiber Broadband ISPs & ONT Modems

12 of 91

JioFiber 192.168.29.1 Airtel Xstream Fiber 192.168.1.1 BSNL FTTH Bharat Fiber 192.168.1.1 ACT Fibernet 192.168.1.1 Tata Play Fiber 192.168.1.1 AT&T Fiber 192.168.1.254 Xfinity Comcast 10.0.0.1 Verizon Fios 192.168.1.1 Spectrum Internet 192.168.1.1 Virgin Media UK 192.168.0.1 BT Broadband UK 192.168.1.254 Telstra Broadband Australia 192.168.0.1

View all 91 ISP guides

Frequently asked questions

What is the default login for MERCURY D191G?

The default IP address is http://192.168.1.1, default username is "admin", and default password is "admin".

What ports and speeds does MERCURY D191G support?

The MERCURY D191G is equipped with 1x 1G WAN, 3x 1G LAN with an overall speed rating of AC1900.

How do I reset my MERCURY D191G to factory settings?

Press and hold the physical Reset button on the MERCURY D191G for 10 to 15 seconds until the power LED blinks, resetting all settings to factory default.