217-29-159-135.ifo.net has one IP number , which also has a corresponding reverse pointer. ns24.ifo.at and ns24.ifo.net point to the same IP. ifo.net is a domain controlled by four nameservers at ifo.net themselves. Two nameservers have the same IP number. All of them are on the same IP network. Incoming mail for ifo.net is handled by one mailserver also at ifo.net. ifo.net has one IP number. 217-29-159-135.ifo.net is hosted on a server in Austria.