192.168.100.1 Modem Login
Access your Motorola, Arris, ZyXEL, TP-Link, or Huawei modem router admin panel. Complete guide with default credentials and troubleshooting.
What is 192.168.100.1?
192.168.100.1 is a private IP address primarily used as the default gateway for cable modems, fiber modem routers, and DSL gateways. This address is especially common in modem-router combo units from manufacturers like Motorola, Arris, ZyXEL, and is used by ISPs worldwide including Globe At Home, PLDT, and IndiHome.
Cable/Fiber Modem Default
Common in Motorola SURFboard, Arris, and ZyXEL modems
ISP Gateway Address
Used by Globe, PLDT, IndiHome ISP-provided routers
Admin Panel Access
Configure WiFi, security, port forwarding, and advanced settings
Full Network Control
Manage WiFi SSID, password, DHCP, DNS, and device connections
Note: Unlike typical routers that use 192.168.1.1 or 192.168.0.1, the 192.168.100.1 address is more commonly found in modem-router combo units, especially those provided by internet service providers.
Which ISPs & Devices Use 192.168.100.1?
This IP address is particularly common in certain regions and with specific internet service providers:
Globe At Home (Philippines)
Fiber and DSL modems
PLDT (Philippines)
Home fiber routers
Converge ICT (Philippines)
Fiber modem routers
IndiHome (Indonesia)
Huawei fiber routers
Various Cable ISPs
Motorola/Arris cable modems
How to Login to 192.168.100.1
Accessing your modem's admin panel at 192.168.100.1 is straightforward. Follow these steps:
Connect to Your Modem
Connect your device to the modem via WiFi or Ethernet cable. For first-time setup, an Ethernet connection is highly recommended for stability.
Open Web Browser
Launch any web browser and type in the address bar:
http://192.168.100.1or simply192.168.100.1Enter Login Credentials
A login page will appear. Enter your username and password. Check the table below for brand-specific defaults, or look for a sticker on your modem.
Access Admin Dashboard
Once logged in, you'll see the modem's control panel where you can configure WiFi settings, view connection status, manage devices, and update firmware.
Security Best Practice
Always change the Default admin Password immediately after first login to prevent unauthorized access to your modem settings.
Default Login Credentials for 192.168.100.1
Different modem manufacturers use different default credentials. Here's a comprehensive list of common modems using 192.168.100.1:
| Modem Brand | Common Models | Default Username | Default Password |
|---|---|---|---|
| Motorola | SURFboard SBG940, MB8600 | admin | motorola |
| Arris | TG862, TG1682, SB6183 | admin | password |
| Netgear | C3000, C3700, C6250 | admin | password |
| ZyXEL | C1100Z, C3000Z | admin | 1234 |
| TP-Link | Archer VR900, TD-W9960 | admin | admin |
| Huawei | HG8245H, HG8247H, EchoLife | admin | admin |
Find Your Password
Check the label on the back/bottom of your modem, the user manual, or the original packaging for default credentials.
Forgot Password?
If you've changed it and forgot, press the reset button on your modem for 10-15 seconds to restore factory defaults.
Can't Access 192.168.100.1? Troubleshooting Guide
If you're having trouble accessing your modem at 192.168.100.1, here are common issues and solutions:
Wrong IP Address
Not all modems use 192.168.100.1. Your modem might use 192.168.1.1, 192.168.0.1, or another gateway.
How to find your modem's IP:
- Windows:Command Prompt →
ipconfig→ Look for "Default Gateway" - Mac:Terminal →
netstat -nr | grep default - Router Label:Look at the sticker on the back or bottom of your modem
Not Connected to Network
You must be connected to your modem's network to access the admin panel:
- Ethernet (Recommended): Use a cable for the most reliable connection, especially for initial setup
- WiFi: Connect to your modem's wireless network
Typing Errors (192.168.l00.1)
The most common problem! Make sure you're typing the address correctly:
192.168.l00.1(Wrong - has letters)192.168.100.1(Correct - all numbers)Restart Your Modem
Sometimes a simple restart fixes connectivity issues:
- Unplug your modem's power cable
- Wait 30-60 seconds
- Plug it back in and wait for all lights to stabilize
- Try accessing 192.168.100.1 again
Factory Reset as Last Resort
If nothing else works, reset your modem to factory settings:
- • Find the small RESET button (usually recessed on the back)
- • Use a paperclip or pin to press and hold for 10-15 seconds
- • Wait for the modem to restart completely
- • Try logging in with default credentials
Warning: Factory reset will erase all custom settings including WiFi name, password, port forwarding, and any other configurations.
Common Typing Mistakes: 192.168.100.1 vs Wrong Formats
Many users make typos when entering 192.168.100.1. Remember: IP addresses only contain numbers (0-9) and dots (.). Here are the most common mistakes:
Wrong Format | Correct Format | Common Mistake |
|---|---|---|
192.168.l00.1 | 192.168.100.1 | Letter "l" instead of number "1", and "oo" instead of "00" |
192.168.100.l | 192.168.100.1 | Letter "l" instead of number "1" at the end |
192.168.1001 | 192.168.100.1 | Missing dot before "1" |
192 168 100 1 | 192.168.100.1 | Spaces instead of dots |
192.168.100.1.1 | 192.168.100.1 | Extra ".1" at the end |
1921681001 | 192.168.100.1 | All dots removed |
Pro Tip: Copy and Paste
To avoid typos, copy 192.168.100.1 and paste it directly into your browser's address bar.
192.168.100.1 vs Other Router IPs
While all three are private IP addresses used as router gateways, 192.168.100.1 has a specific usage pattern:
192.168.100.1
Primary users:
- • Cable modems (Motorola, Arris)
- • ISP-provided gateways
- • Modem-router combos
- • ZyXEL DSL modems
192.168.1.1
Primary users:
- • TP-Link routers
- • Linksys routers
- • Asus routers
- • Most home routers
192.168.0.1
Primary users:
- • Netgear routers
- • D-Link routers
- • Belkin routers
- • Some cable modems
Frequently Asked Questions (FAQ)
What is 192.168.100.1 used for?
192.168.100.1 is a private IP address commonly used as the default gateway for cable modems, fiber modem routers, and ISP-provided gateway devices. It provides access to the modem's admin panel where you can configure WiFi, security, port forwarding, and view connection status.
Which modems use 192.168.100.1 as their default IP?
Motorola SURFboard modems, Arris cable modems, ZyXEL DSL modems, some TP-Link and Huawei models, and modems from ISPs like Globe At Home, PLDT, IndiHome, and Converge ICT commonly use 192.168.100.1 as their default gateway address.
What is the default username and password for 192.168.100.1?
Common default credentials include admin/motorola (Motorola modems), admin/password (Arris, Netgear), admin/admin (TP-Link, Huawei), and admin/1234 (ZyXEL). Check the label on your modem or the documentation for specific credentials.
Why can't I access 192.168.100.1?
Common reasons include: (1) Your modem uses a different IP address like 192.168.1.1 or 192.168.0.1, (2) You're not connected to the modem's network, (3) You made a typo like 192.168.l00.1 (using letters instead of numbers), (4) The modem needs to be restarted, or (5) Browser cache issues. Use ipconfig (Windows) or netstat (Mac) to find your correct gateway IP.
Is 192.168.100.1 the same as 192.168.l00.1?
No, 192.168.l00.1 is a common typo. IP addresses only contain numbers (0-9) and dots. The correct format is 192.168.100.1 with zeros and the number one—no letters like "l" or "O". Always double-check you're using numbers only.
How do I find my modem's IP address if it's not 192.168.100.1?
On Windows: Open Command Prompt and type "ipconfig", then look for "Default Gateway". On Mac: Open Terminal and type "netstat -nr | grep default". On mobile: Go to WiFi settings, tap your network, and look for "Router" or "Gateway". You can also check the label on your modem.
What should I do if I forgot my modem admin password?
If you've changed the password and forgot it, you'll need to factory reset your modem. Find the small RESET button (usually recessed on the back), press and hold it with a paperclip for 10-15 seconds until lights blink. This restores all default settings including the original password. Warning: All custom configurations will be erased.
Why is 192.168.100.1 more common in cable/fiber modems than regular routers?
Manufacturers like Motorola, Arris, and ZyXEL, which specialize in cable and fiber modems, chose 192.168.100.1 as their standard gateway address to differentiate from typical router IPs (192.168.1.1 or 192.168.0.1). This helps avoid IP conflicts when users add their own routers behind ISP-provided modem gateways.