139.162.2.243

Can I up my 139.162.2.243

What are you talking about? If you mean Can I change this Linode to a different plan that has more resources available?, then yes. See:

https://www.linode.com/community/questions/18531/how-do-i-resize-my-linode-plan

-- sw

PS. It's not a good idea to post your IP address or domain name here. This is a publicly-viewable forum available without restriction worldwide. Your IP address is now probably marked for a zillion-and-one intrusion attempts by a zillion-and-one 'bots worldwide.