10.0.21.214 router login
To open the admin panel, type 10.0.21.214 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.
10.0.21.214 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 credential pair is documented for 10.0.21.214, so none is stated here. The defaults belong to the device, not the address: read the sticker on the unit, the card packed with it, or the manual for its model. If the segment is managed by an employer or internet provider, the working credentials will have come from them.
How to log in to your router
Type 10.0.21.214 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 10.0.21.214, 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
With the password unknown, a factory reset is the final option and should follow, not precede, a check of the label and a request to the network's administrator. Resetting empties the configuration, so custom addressing, access rules and any device names are gone, and the Wi-Fi network name and passphrase return to the values printed on the label.
10.0.21.214 comes from 10.0.0.0/8, private address space that carries no registrant and no location by design, since RFC 1918 exists so that separate networks can reuse identical addresses behind their own boundaries. The block's 16,777,216 addresses sit under a 255.0.0.0 mask and are subnetted heavily in deployment. This address is a host in 10.0.21.0/24, a network with usable positions 10.0.21.1 through 10.0.21.254 and a broadcast address of 10.0.21.255.
At host 214 the address is close to the end of the range, not the low position where a default gateway is normally placed. Readers usually arrive holding a concrete clue, such as an ARP entry, a DHCP lease or a log line naming 10.0.21.214, and want to determine what is answering there and how administrative access to it works.
Whois information for 10.0.0.0/8
# 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: 10.0.0.0 - 10.255.255.255
CIDR: 10.0.0.0/8
NetName: PRIVATE-ADDRESS-ABLK-RFC1918-IANA-RESERVED
NetHandle: NET-10-0-0-0-1
Parent: ()
NetType: IANA Special Use
OriginAS:
Organization: Internet Assigned Numbers Authority (IANA)
RegDate: 1995-06-23
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/10.0.0.0
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 10.0.21.0/24
The 10.0.21.0/24 subnet runs from 10.0.21.1 to 10.0.21.254, with 10.0.21.255 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
107 addresses in this subnet have a page; the most looked-up are listed here.