10.0.1.21 router login
To open the admin panel, type 10.0.1.21 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.
10.0.1.21 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.
The credential list for 10.0.1.21 is empty, so no username and password can be given. If this address answers on a web or SSH interface, work out the model and consult its label, which typically carries the initial account details, or the vendor's manual. In a planned network like this one appears to be, credentials are more often issued by an administrator than left at factory values.
How to log in to your router
Type 10.0.1.21 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 10.0.1.21, 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 at 10.0.1.21, ask whoever manages the subnet, since deliberately numbered environments usually have documented access. If a reset is unavoidable, expect to lose the working configuration entirely: interface settings, access control, monitoring and any hardening applied. Wireless-capable hardware returns to the network name and password printed on its label, and clients will need reconnecting.
10.0.1.21 lies inside 10.0.0.0/8, the private block that RFC 1918 defines with a 255.0.0.0 netmask and 16,777,216 possible addresses. Its size is exactly why it dominates corporate and campus deployments, ISP-managed customer equipment, carrier-grade systems, VPN pools and container fabrics, all of which subnet it far below /8. It is unroutable on the public internet and belongs to no organisation in any registry sense.
The surrounding segment is 10.0.1.0/24, holding usable hosts from 10.0.1.1 through 10.0.1.254 with broadcast on 10.0.1.255. A second-octet-and-third-octet pattern like 10.0.1.x often marks a deliberately numbered subnet rather than a default one, suggesting an environment where someone planned the address layout. Host 21 is not a gateway slot, and people usually look it up after finding it assigned to a workstation, server or appliance. We list 210 other addresses in this /24.
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 10.0.1.0/24
The 10.0.1.0/24 subnet runs from 10.0.1.1 to 10.0.1.254, with 10.0.1.255 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
211 addresses in this subnet have a page; the most looked-up are listed here.