192.168.100.3 router login

To open the admin panel, type 192.168.100.3 into your browser's address bar. If the page does not load, this is probably not the gateway address on your network — see the checks below.

192.168.100.3 router passwords

Where to find them:

  • The label on the underside or back of the router — most manufacturers print the default admin username, password and Wi-Fi key there.
  • The quick-start card or manual that came in the box.
  • Your ISP's account portal, if the device was supplied by them — many set a unique password per line rather than a shared default.

No default username and password pair is documented for 192.168.100.3, and none should be assumed. Credentials belong to a device, not to an address that any network is free to reuse, so the only reliable source is the equipment itself. Check the printed label, commonly on the underside or rear panel, then the quick-start card or manual, then the manufacturer's support pages for the model number shown on that label. If the hardware came from an internet provider, its documentation or support line will hold the defaults. Anything installed before you may also have had its password changed.

How to log in to your router

  1. Type 192.168.100.3 into your browser's address bar and press Enter. Type it by hand rather than accepting an autocomplete suggestion, which often fills in a different address you visited before.

  2. If the browser reports that it cannot reach 192.168.100.3, this is not the gateway address on your network. On Windows run ipconfig /all and read the Default Gateway line; on macOS open System Settings, Network, Details, TCP/IP; on Linux run ip route and read the address after "default via".

  3. If the login page loads but rejects your credentials, and you have never changed them, use the defaults printed on the device's label. If they have been changed and nobody knows the new password, a factory reset is the only way back in.

If you do not know the password

If no password works, a factory reset is the usual way back in. Since no vendor is identified for this address, follow the method printed on the device or given in its manual, commonly a recessed button held with a pin for ten to thirty seconds while the unit is powered on. Understand the cost: a reset erases the Wi-Fi name and key, port forwards, static leases, firewall rules and any provider or PPPoE login, and service can stay down until those are re-entered. The device also returns to its own default address, which may not be 192.168.100.3, so recheck your gateway afterwards. Export a configuration backup first if you can still reach the interface.

192.168.100.3 is a private IPv4 address inside 192.168.0.0/16, the range RFC 1918 sets aside for private use. With a netmask of 255.255.0.0 the block holds 65,536 addresses, and it is the one most people meet in practice: nearly every home router, mobile hotspot and small office access point ships a default gateway inside it. Because private space is reusable, the same address runs on millions of unrelated networks at once, so it carries no owner, registrant, ISP or location, and it is never routed across the public internet.

The address sits in the 192.168.100.0/24 subnet, whose usable hosts run from 192.168.100.1 to 192.168.100.254, with 192.168.100.255 reserved for broadcast. It is the third address in that subnet, which is not a position routers commonly take, since gateways usually sit at the first or last usable address, and no specific vendor is known to ship it as a default gateway. More often it belongs to a host: a device handed an early DHCP lease, or one pinned there statically by whoever set the network up.

Most people who look this address up, roughly 677 a year, have seen it in a router's client list or an ARP table and want the admin page behind it. If nothing loads, check your computer's real default gateway first.

Block192.168.0.0/16
Netmask255.255.0.0
Subnet192.168.100.0/24
Usable192.168.100.1 – 192.168.100.254

Whois information for 192.168.0.0/16

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NetRange: 192.168.0.0 - 192.168.255.255
CIDR: 192.168.0.0/16
NetName: PRIVATE-ADDRESS-CBLK-RFC1918-IANA-RESERVED
NetHandle: NET-192-168-0-0-1
Parent: NET192 (NET-192-0-0-0-0)
NetType: IANA Special Use
OriginAS:
Organization: Internet Assigned Numbers Authority (IANA)
RegDate: 1994-03-15
Updated: 2013-08-30
Comment: These addresses are in use by many millions of independently operated networks, which might be as small as a single computer connected to a home gateway, and are automatically configured in hundreds of millions of devices. They are only intended for use within a private context and traffic that needs to cross the Internet will need to use a different, unique address.
Comment:
Comment: These addresses can be used by anyone without any need to coordinate with IANA or an Internet registry. The traffic from these addresses does not come from ICANN or IANA. We are not the source of activity you may see on logs or in e-mail records. Please refer to http://www.iana.org/abuse/answers
Comment:
Comment: These addresses were assigned by the IETF, the organization that develops Internet protocols, in the Best Current Practice document, RFC 1918 which can be found at:
Comment: http://datatracker.ietf.org/doc/rfc1918
Ref: https://rdap.arin.net/registry/ip/192.168.0.0



OrgName: Internet Assigned Numbers Authority
OrgId: IANA
Address: 12025 Waterfront Drive
Address: Suite 300
City: Los Angeles
StateProv: CA
PostalCode: 90094
Country: US
RegDate:
Updated: 2012-08-31
Ref: https://rdap.arin.net/registry/entity/IANA


OrgAbuseHandle: IANA-IP-ARIN
OrgAbuseName: ICANN
OrgAbusePhone: +1-310-301-5820
OrgAbuseEmail: abuse@iana.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/IANA-IP-ARIN

OrgTechHandle: IANA-IP-ARIN
OrgTechName: ICANN
OrgTechPhone: +1-310-301-5820
OrgTechEmail: abuse@iana.org
OrgTechRef: https://rdap.arin.net/registry/entity/IANA-IP-ARIN