:: How can i know the owner of an IP address. There is no ::reverse mapping ::for dial-up address but each ISP has his own range of IP's. :: :: Could I know from where connecctions come, far away from ::traceroute? ::Yes, it could be IP spoofing but ... Depending on which country it originates form you can use whois available on ARIN www.arin.net This is for the american registrar, there is RIPE www.ripe.net for european addresses