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ARIN DoS Attack

Posted: Tuesday, 24 January 2017

Starting at 10:53 AM ET on Tuesday, 24 January, a DoS attack began against ARIN. This was and continues to be a sustained attack against our provisioning services, email, and website. We initiated our DoS mitigation plan and are in the process of mitigating various types of attack traffic patterns. All our other public-facing services (Whois, Whois-RWS, RDAP, DNS, IRR, and RPKI repository services) are not affected by this attack and are operating normally. We will announce an all clear 24 hours after the attacks have stopped.

Regards,

Mark Kosters
Chief Technology Officer
American Registry for Internet Numbers (ARIN)

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