Advice on router security alert?

Hi,

I'm based in the UK running Windows XP. My netgear router has sent me
the following "security alert" email:

UDP Packet - Source:67.159.44.180,4237 Destination:83.245.16.37,1025 -
[DOS]UDP Packet - Source:67.159.44.106,4237 Destination:
83.245.16.37,1025 - [DOS]UDP Packet - Source:67.159.44.180,4237
Destination:83.245.16.37,1025 - [DOS]UDP Packet - Source:
67.159.44.106,4237 Destination:83.245.16.37,1025 - [DOS]UDP Packet -
Source:67.159.44.180,4237 Destination:83.245.16.37,1025 - [DOS]UDP
Packet - Source:67.159.44.106,4237 Destination:83.245.16.37,1025 -
[DOS]UDP Packet - Source:212.58.227.104,21922 Destination:
83.245.16.37,6970 - [DOS]


I've looked up the IP addresses and found the following:

===============================
Search ARIN WHOIS for: 67.159.44.106

OrgName: FDC Servers.net, LLC
OrgID: FDCSE
Address: 141 West Jackson Blvd, Suite 1135
City: Chicago
StateProv: IL
PostalCode: 60604
Country: US

======================================
Search ARIN WHOIS for: 212.58.227.104

OrgName: RIPE Network Coordination Centre
OrgID: RIPE
Address: P.O. Box 10096
City: Amsterdam
StateProv:
PostalCode: 1001EB
Country: NL
====================================

So what does this mean??




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