172.16.2.1 router login
To open the admin panel, type 172.16.2.1 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.
172.16.2.1 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 172.16.2.1, and because no vendor is known to ship it as a factory gateway there is no generic pair that can be assumed to work. Guessing from lists of common combinations rarely helps and can trigger lockouts.
The credentials that apply are the ones belonging to the specific device answering on this address. Check the label or sticker on its underside or rear panel, the quick-start sheet or manual for that model, or the documentation supplied with it if it came from an internet provider.
How to log in to your router
Type 172.16.2.1 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 172.16.2.1, 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
Before resetting anything, try the routine routes back in: a wired connection to the device, any configuration backup, and on a managed or business network, whoever set the subnet up.
A factory reset clears wireless names and keys, port forwarding, static leases, firewall and VLAN rules, and any custom addressing, including the addressing that put the device on 172.16.2.1 in the first place, so it may come back on a different default subnet and stop answering here. Where a reset is unavoidable, the usual method is a recessed button held with a paperclip for roughly ten to thirty seconds while the unit is powered on; exact timing varies by model.
The address 172.16.2.1 belongs to 172.16.0.0/12, one of the three private ranges reserved by RFC 1918. With a block netmask of 255.240.0.0 it spans 1,048,576 addresses, from 172.16.0.0 through 172.31.255.255. Traffic addressed to it is not routed across the public internet, so the same address can be in use on thousands of unrelated networks at once, and no owner, provider or location can be attributed to it. The block is also the most easily misread of the three: 172.x.x.x addresses outside the 172.16 to 172.31 window are ordinary public space.
Within the /24 it sits in, 172.16.2.0/24, the usable host range runs from 172.16.2.1 to 172.16.2.254, with 172.16.2.255 reserved for broadcast. 172.16.2.1 is the first usable host, the position conventionally given to the router or gateway, though nothing in the standard requires it. The wider /12 shows up most often in mid-size business networks, lab and test environments, VPN subnets and Docker bridge networking.
Most people looking this address up have either typed it into a browser and met a login prompt, or found it listed as the default gateway on a workstation, in a DHCP lease or in a traceroute. No specific vendor is known to ship 172.16.2.1 as a factory default gateway, so where it appears it has usually been configured deliberately by whoever built the network.
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 172.16.2.0/24
The 172.16.2.0/24 subnet runs from 172.16.2.1 to 172.16.2.254, with 172.16.2.255 reserved as the broadcast address. These are the addresses in it we hold router login details for.
All addresses we cover here
29 addresses in this subnet have a page; the most looked-up are listed here.