ns1.level3.net has one IP number , which also has a corresponding reverse pointer. ns1.l3.net and ns1.lvlt.net point to the same IP. lvlt.com, brwopn.net, brwopn.com, broadwing.biz, broadwing.org and at least 100 other hosts use this as a nameserver. 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. level3.net has one IP number. ns1.level3.net is hosted on a server in United States.