NETGEAR C3700 allowing a 'Denial of Service' attack?

[xnav]

Often early in the morning I experience hangs while using Safari on my Macs and iPads.  The hang doesn't last more than 5 minutes,  but I've discovered that during that time the router admin 'Attached Devices' page  shows a suspicious IP address (81.0.229.0) assigned to one of my iPad devices.

This IP also shows up in the 'Logs' page associated with a DoS attack.

A 'whois' shows the IP belonging to JanigaLabs-CZ.

I have screen prints if anyone thinks they can help.

[xnav · Accepted solution]

I solved the problem by replacing the Netgear modem/router with a Motorola modem/router.

[xnav]

Probable duplicate!

https://community.netgear.com/t5/Cable-Modems-Routers/DoS-attack-Teardrop-or-derivative-Ping-of-Deat...

[xnav]

Also see this.

[xnav · Accepted solution]

I solved the problem by replacing the Netgear modem/router with a Motorola modem/router.

[TheEther]

This likely worked because you got a new IP address, not because the Netgear had a problem.

[xnav]

No, Netgear's own logs and displays show that there is a bug  in their code that causes the problem.