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Hello, You could try to find the upstreams for Telefonica Empresas and send the abuse also to them. Use a forward on your original message to sescobar@isp.tie.cl to show that you did send it to them. You could also try to inform Telefonica or another email address on the Telefonica Empresas website. You could also look for the rDNS and send an email to abuse@[domein].[tld] for example. Good luck. With kind regards, Mark Scholten -----Original Message----- From: anti-abuse-wg-admin@ripe.net [mailto:anti-abuse-wg-admin@ripe.net] On Behalf Of Badguys Killer Sent: vrijdag 17 april 2009 14:31 To: anti-abuse-wg@ripe.net Subject: [anti-abuse-wg] What to do when both RIR and ISP don't care? I have first to say sorry to this mailing-list, as this mail isn't related to RIPE but rather to LACNIC. I've traced back some hacking from an IP address (200.113.126.76) in an ISP (Telefonica Empresas). I've sent an abuse complaint to the only email address available (sescobar@isp.tie.cl) in LACNIC Whois but visibly the ISP didn't care and nothing was done. Then I had but to send another abuse complaint to LACNIC (abuse@lacnic.net). The only answer I got is an automatic message saying that it's not their responsibility at LACNIC to investigate abuse issues. That's really a bureaucratic act! What could we do in such situation? PS: Really sorry that I have to bring this issue in RIPE because in LACNIC website, there's really nothing to help users like in RIPE where you have a mailing-list, or like in APNIC where one could report invalid WHOIS info.