We are currently seeing an issue accessing the Sandbox portal through the Cisco DevNet website. The DevNet Sandbox page does not load properly and access to the portal is restricted. We have contacted the resources responsible for this page and will have it back ASAP.
We apologise for any inconvenience this has caused and will keep this community updated.
The Issue is resolved and the Sandbox portal is available from the Cisco DevNet Site.
Apologies for the inconvenience this caused and thank you for your patience.