192.168.100.31 router login

http://192.168.100.31 ↗

To open the admin panel, type 192.168.100.31 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.

192.168.100.31 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.

There is no documented default username and password for 192.168.100.31. Rather than trying combinations, identify the device and consult its own sources of truth — the sticker on the chassis, a label under a removable panel, the leaflet in the box, or the manufacturer's manual for that model. Some equipment ships with a randomly generated password unique to the unit, which is exactly why generic pairs are unreliable. If the device was installed as part of an internet service, the provider's documentation usually holds the correct login.

How to log in to your router

  1. Type 192.168.100.31 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 192.168.100.31, 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

Recovering access starts with the least destructive step. Confirm you are reaching the right device, try a different browser or a wired connection, and check whether a mobile app or cloud account can reset the password without touching the hardware. A factory reset is the last resort: it wipes static assignments, share definitions, recording schedules, wireless credentials and access rules in one action, and the device comes back speaking only its printed defaults. Reset procedures differ across hardware — some use a pinhole, some a button combination at power-on — so follow the instructions for that specific model.

192.168.100.31 comes from 192.168.0.0/16, the private range RFC 1918 makes available to any network that wants it. The block covers 65,536 addresses under the netmask 255.255.0.0 and is the consumer block: nearly every home router, mobile hotspot and small office access point ships a default gateway inside it, which is why it is the range most people encounter. No registry assigns these addresses, so asking who owns this one has no meaningful answer.

The conventional subnet around it is 192.168.100.0/24 — usable hosts from 192.168.100.1 to 192.168.100.254, broadcast at 192.168.100.255. Host 31 is a low position but not a gateway one. On networks where an administrator has carved out the bottom of the range for fixed assignments, addresses in the twenties and thirties often go to things that need to stay put: access points, print servers, storage boxes, controllers and cameras. On simpler networks with a wide DHCP pool, it is just another lease.

Visitors typically arrive with a concrete task in hand: they saw 192.168.100.31 somewhere on their network, and they need to reach it, name it, or decide whether it should be there.

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
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2024, American Registry for Internet Numbers, Ltd.
#


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

Other documented addresses in 192.168.100.0/24

The 192.168.100.0/24 subnet runs from 192.168.100.1 to 192.168.100.254, with 192.168.100.255 reserved as the broadcast address. These are the addresses in it we hold router login details for.

Most looked up in this subnet

192.168.100.4 192.168.100.1 192.168.100.5 192.168.100.3 192.168.100.6 192.168.100.2 192.168.100.7 192.168.100.8

All addresses we cover here
192.168.100.1 192.168.100.2 192.168.100.3 192.168.100.4 192.168.100.5 192.168.100.6 192.168.100.7 192.168.100.8 192.168.100.9 192.168.100.10 192.168.100.11 192.168.100.12 192.168.100.13 192.168.100.14 192.168.100.15 192.168.100.16 192.168.100.17 192.168.100.18 192.168.100.19 192.168.100.20 192.168.100.21 192.168.100.22 192.168.100.23 192.168.100.24 192.168.100.25 192.168.100.26 192.168.100.27 192.168.100.29 192.168.100.32 192.168.100.33 192.168.100.34 192.168.100.36 192.168.100.37 192.168.100.39 192.168.100.40 192.168.100.47 192.168.100.52 192.168.100.53 192.168.100.54 192.168.100.56 192.168.100.57 192.168.100.58 192.168.100.62 192.168.100.68 192.168.100.72 192.168.100.75 192.168.100.76 192.168.100.81 192.168.100.83 192.168.100.99 192.168.100.102 192.168.100.104 192.168.100.117 192.168.100.133 192.168.100.136 192.168.100.141 192.168.100.156 192.168.100.164 192.168.100.178 192.168.100.200

255 addresses in this subnet have a page; the most looked-up are listed here.