172.16.1.20 router login
To open the admin panel, type 172.16.1.20 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.
172.16.1.20 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 recorded default username and password for 172.16.1.20. Rather than guess, identify the device holding the address and read the credentials it publishes itself, printed on the case label, included on the quick-setup card, or listed in the model's manual. Appliances and servers frequently require an account created during initial setup, in which case no factory pair exists.
How to log in to your router
Type 172.16.1.20 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.
If the browser reports that it cannot reach 172.16.1.20, 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".
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
Where the login is unknown, look for the device's documented recovery mechanism first, whether that is a local console, a recovery boot option or an administrator with existing access. Falling back to a factory reset discards the whole configuration and, on wireless equipment, restores the label's SSID and passphrase, so connected devices will need their settings updated.
172.16.1.20 belongs to 172.16.0.0/12, the mid-size private range running from 172.16.x.x through 172.31.x.x with a 255.240.0.0 mask and 1,048,576 addresses. This block is regularly mistaken for public space, since 172 addresses outside the 16 to 31 second-octet window really are routable on the internet. Its subnet here, 172.16.1.0/24, provides usable hosts 172.16.1.1 to 172.16.1.254 and closes with broadcast 172.16.1.255.
With a host number of 20, the address sits above the low positions typically kept for gateways yet low enough to look like a deliberate static assignment rather than a random lease. That pattern fits servers, controllers or appliances. This particular /24 is heavily documented, with 111 other addresses recorded, so it appears to be a well-used segment. Visitors normally want to know what device is answering, or how to reach its interface.
Whois information for 172.16.0.0/12
# 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: 172.16.0.0 - 172.31.255.255
CIDR: 172.16.0.0/12
NetName: PRIVATE-ADDRESS-BBLK-RFC1918-IANA-RESERVED
NetHandle: NET-172-16-0-0-1
Parent: ()
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/172.16.0.0
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 172.16.1.0/24
The 172.16.1.0/24 subnet runs from 172.16.1.1 to 172.16.1.254, with 172.16.1.255 reserved as the broadcast address. These are the addresses in it we hold router login details for.
Most looked up in this subnet
All addresses we cover here
112 addresses in this subnet have a page; the most looked-up are listed here.