unknown.level3.net has one IP number , which is the same as for level3.net, via cname to www.level3.com , which also has a corresponding reverse pointer. l3.net, l3.com, lll.com, lvlt.com, vyvx.com and at least 13 other hosts point to the same IP. level3.net is a domain controlled by two nameservers at l3.net. They are on the same IP network. Incoming mail for level3.net is handled by two mailservers having a total of eight IP numbers. There are six duplicated IP numbers. Some of them are on the same IP network. unknown.level3.net is hosted on a server in United States.