192.168.100.50 Admin Login

192.168.100.50 is a Class C private IPv4 address belonging to the 192.168.100.0/24 subnet — a range closely associated with ISP-provisioned cable modems, modem-router combos, and broadband gateway devices from manufacturers such as ARRIS, Motorola, Huawei, Zyxel, and Ubee. While 192.168.100.50 is not itself a factory-default gateway address for any specific router brand, it lives in the same subnet as 192.168.100.1 — the well-known default management IP used by these cable modem and modem-router combo devices. In most real-world deployments, 192.168.100.50 is dynamically assigned by a DHCP server to a connected client device such as a laptop, smartphone, smart TV, or networked printer, or it may be manually configured as a static IP for a specific piece of network equipment. Other commonly referenced default gateways include 192.168.1.254, 192.168.0.1, and 10.0.0.1.

How to Access 192.168.100.50

If you believe 192.168.100.50 is the admin interface address for your device, open your web browser and type http://192.168.100.50 directly into the address bar — do not use the search bar. Press Enter and wait for the login page to load. If a login prompt appears, enter your device's default username and password, which are typically printed on a sticker on the bottom or back of your router or modem. Common default credentials for devices operating on the 192.168.100.x subnet include:

• ARRIS / Motorola: Username: admin | Password: password or motorola
• Huawei: Username: admin | Password: admin or password
• Zyxel: Username: admin | Password: 1234 or printed on the device label
• Ubee: Username: user | Password: user, or check the device sticker

Keep in mind that ISPs such as Comcast/Xfinity, Spectrum, and Cox frequently customize the default credentials on their provisioned hardware before deployment. If the defaults above do not work, check the label on your specific device or contact your ISP for the correct login details.

If You Can't Access 192.168.100.50

If typing http://192.168.100.50 into your browser does not load a login page, there are several likely explanations. First, 192.168.100.50 may simply not be your network's gateway address. The actual default gateway for the 192.168.100.x subnet is 192.168.100.1, which is the admin panel address used by ARRIS, Motorola, Huawei, Zyxel, and Ubee devices. Try navigating to http://192.168.100.1 instead.

To confirm your actual gateway address, follow these steps:

• Windows: Open Command Prompt (Start > type cmd > Enter) and run ipconfig. Look for the Default Gateway field under your active network adapter.
• Mac: Open Terminal and run netstat -nr | grep default. The IP listed next to default is your gateway.
• Android / iOS: Go to Settings > Wi-Fi > tap your connected network > look for the Gateway or Router field.

If your gateway is confirmed as something other than 192.168.100.50, use that address to access your router's admin panel. You can also check our guide to find your router IP address for more detailed instructions.

Which Brands and Devices Use the 192.168.100.x Subnet?

The 192.168.100.0/24 subnet is predominantly used by ISP-deployed hardware rather than standard retail routers. Here is a breakdown of the key brands associated with this subnet and how 192.168.100.50 fits into their network topology:

• ARRIS — ARRIS cable modems and modem-router combos (including models deployed by Comcast/Xfinity and Spectrum) commonly use 192.168.100.1 as their default gateway. Devices connected to an ARRIS gateway may receive addresses in the 192.168.100.x range — including 192.168.100.50 — via DHCP.
• Motorola — Motorola cable modems such as the MB8600 and MG7700 also operate on the 192.168.100.x subnet. If you have a Motorola modem-router combo, 192.168.100.50 could be the address assigned to a downstream device such as a laptop or smart TV.
• Huawei — Certain Huawei modem-router combos and fiber ONT gateways use 192.168.100.1 as their default gateway, placing all connected devices within the 192.168.100.x range. ISP-locked Huawei units often have unique credentials printed on the device label.
• Zyxel — Zyxel DSL gateways and modem-router combos used by various ISPs around the world operate on the 192.168.100.x subnet. The address 192.168.100.50 may be assigned to a connected client device on a Zyxel-managed network.
• Ubee — Ubee cable modems and gateways, frequently deployed by ISPs in North America and Europe, also use the 192.168.100.x range. Devices on a Ubee network may receive 192.168.100.50 as a DHCP-assigned address.

It is worth noting that the 192.168.100.x subnet is specifically chosen by ISPs to reduce the risk of IP conflicts with customer-owned routers, which typically use the more common 192.168.1.x or 192.168.0.x ranges.

Changing Your Router's Password

Regardless of whether your network gateway is at 192.168.100.1 or another address in the 192.168.100.x subnet, you should always change your router's default admin password as soon as possible after setup. The default credentials for ARRIS, Motorola, Huawei, Zyxel, and Ubee devices are publicly documented and widely known, making your network vulnerable to unauthorized access if left unchanged.

To change your password, log in to your router's admin panel (typically at 192.168.100.1 for devices on this subnet) and navigate to the Administration, Management, or Security section. Look for a Change Password or Admin Password option. You will be prompted to enter your current password and then type your new password twice for confirmation. Choose a strong password that is at least 12 characters long and includes a mix of uppercase letters, lowercase letters, numbers, and symbols. Avoid using easily guessable information such as your address or date of birth.

Router Username and Password List

192.168.100.50 in the Context of the 192.168.100.0/24 Subnet

To fully understand 192.168.100.50, it helps to understand the broader subnet it belongs to. The 192.168.100.0/24 subnet has a subnet mask of 255.255.255.0 and provides 254 usable host addresses, ranging from 192.168.100.1 to 192.168.100.254. The address 192.168.100.255 is the broadcast address and cannot be assigned to any device.

Within this subnet, 192.168.100.50 is the 50th host address. Here is how the address space is typically organized on a network using this subnet:

• 192.168.100.1 — The default gateway address used by ARRIS, Motorola, Huawei, Zyxel, and Ubee modem-router combos. This is the address you use to access the admin panel.
• 192.168.100.2 – 192.168.100.49 — Host addresses in the lower range, typically assigned by DHCP to the first devices that connect to the network, or reserved for static assignment to infrastructure equipment such as switches, access points, and IP cameras.
• 192.168.100.50 — This address, sitting at the midpoint of the lower half of the subnet, is commonly assigned by DHCP to a client device such as a laptop, smartphone, gaming console, or smart home hub. It may also be manually configured as a static IP for a specific device that requires a predictable address.
• 192.168.100.51 – 192.168.100.99 — Additional host addresses available for other connected devices.
• 192.168.100.100 – 192.168.100.150 — Some routers and modem-router combos configure their DHCP pool to start at .100, making this range the most active zone for dynamically assigned addresses on certain networks.
• 192.168.100.254 — The last usable host address in the subnet, sometimes used as an alternate management IP on certain ISP-provisioned devices.

How to Perform a Factory Reset on Devices Using the 192.168.100.x Subnet

If you have forgotten your admin password or cannot access your device's admin panel, a factory reset will restore all settings — including the IP address and login credentials — to their factory defaults. Here is how to perform a factory reset on the most common brands associated with the 192.168.100.x subnet:

• ARRIS: Locate the Reset button on the back or bottom of your ARRIS modem or gateway. Use a straightened paperclip or pin to press and hold the button for 10–15 seconds until the device's lights flash or it begins to reboot. Release the button and wait for the device to fully restart (this may take 2–3 minutes). The gateway address will revert to 192.168.100.1 and the credentials will return to the defaults printed on the device label.
• Motorola: Press and hold the Reset button on the back of your Motorola modem or gateway for 10 seconds using a pin or paperclip. The device will reboot automatically. After the reset, the admin panel will be accessible at 192.168.100.1 with the default username admin and password motorola or password.
• Huawei: Hold the Reset button on the back of your Huawei gateway for 10 seconds until the indicator lights change. The device will reboot and restore factory settings. The default gateway will return to 192.168.100.1 and credentials will be printed on the device label or set to admin / admin.
• Zyxel: Press and hold the Reset button for 10 seconds. The device will reboot and restore factory defaults. The default gateway returns to 192.168.100.1 and the default password is typically 1234 or printed on the device sticker.
• Ubee: Hold the Reset button for 10–15 seconds until the device reboots. Factory defaults are restored, and the admin panel returns to 192.168.100.1 with credentials printed on the device label.

Important: A factory reset will erase all custom settings, including your Wi-Fi name (SSID), Wi-Fi password, port forwarding rules, and any other configurations you have made. Make sure to back up your settings before performing a reset if possible.

Related IP Addresses in the 192.168.100.x Subnet

If you are working within the 192.168.100.0/24 subnet, the following IP addresses are commonly referenced alongside 192.168.100.50:

• 192.168.100.1 — The primary default gateway for this subnet, used by ARRIS, Motorola, Huawei, Zyxel, and Ubee modem-router combos as their admin panel address. This is the most important address in the subnet.
• 192.168.100.2 — Often the first address assigned by DHCP to a connected device, or reserved for a secondary router or managed switch.
• 192.168.100.10 — A commonly used static IP for network infrastructure devices such as access points, IP cameras, or NAS drives.
• 192.168.100.100 — The start of the DHCP pool on many modem-router combos that use the 192.168.100.x subnet.
• 192.168.100.254 — The last usable host address in the subnet, sometimes used as an alternate management IP.

For comparison, other widely used default gateway addresses outside this subnet include 192.168.0.1, 192.168.1.254, 192.168.8.1, 192.168.10.1, and 10.0.0.1.

Frequently Asked Questions About 192.168.100.50

Is 192.168.100.50 a default gateway address?

No. 192.168.100.50 is not a factory-default gateway address for any known router or modem brand. It is a host address within the 192.168.100.0/24 subnet. The default gateway for this subnet — used by ARRIS, Motorola, Huawei, Zyxel, and Ubee devices — is 192.168.100.1. If your device has been assigned 192.168.100.50, it means your network is operating on the 192.168.100.x subnet and your device received this address via DHCP or static assignment.

Why does my device have the IP address 192.168.100.50?

Your device has been assigned 192.168.100.50 because your network's DHCP server — most likely an ARRIS, Motorola, Huawei, Zyxel, or Ubee modem-router combo — has allocated this address to your device from its available pool. This is completely normal. The address 192.168.100.50 allows your device to communicate with the router and access the internet through the gateway at 192.168.100.1.

Can I use 192.168.100.50 as a static IP for my device?

Yes. You can manually assign 192.168.100.50 as a static IP to any device on your network, as long as no other device is already using that address. To do this, configure your device's network settings to use 192.168.100.50 as its IP address, 255.255.255.0 as the subnet mask, and 192.168.100.1 as the default gateway. Alternatively, you can reserve 192.168.100.50 in your router's DHCP settings so that it is always assigned to a specific device based on its MAC address.

How is 192.168.100.50 different from 192.168.1.1?

These two addresses belong to entirely different subnets and serve different purposes. 192.168.1.1 is the most widely used default gateway for retail routers from brands like TP-Link, Netgear, and ASUS, operating on the 192.168.1.x subnet. In contrast, 192.168.100.50 is a host address in the 192.168.100.0/24 subnet — a range primarily used by ISP-provisioned cable modems and fiber gateways from ARRIS, Motorola, Huawei, Zyxel, and Ubee. If your network uses the 192.168.100.x range, your gateway is almost certainly 192.168.100.1, not 192.168.1.1.

Is 192.168.100.50 a public or private IP address?

192.168.100.50 is a private IP address. All addresses in the 192.168.x.x range are reserved for private use under RFC 1918 and cannot be routed on the public internet. This means 192.168.100.50 is only visible and accessible within your local network. Devices outside your network — such as websites or remote servers — cannot directly reach 192.168.100.50. Your router uses Network Address Translation (NAT) to map your private addresses to your single public IP address when communicating with the internet.

What should I do if there is an IP conflict with 192.168.100.50?

An IP address conflict occurs when two devices on the same network are assigned the same IP address — in this case, 192.168.100.50. This can cause connectivity issues for both devices. To resolve the conflict, log in to your router's admin panel at 192.168.100.1 and check the DHCP client list to identify which devices are using 192.168.100.50. You can either release and renew the IP address on one of the conflicting devices, or assign a static IP outside the DHCP pool to one of them to prevent future conflicts.