CF1763164659470-tsm20251109205412

IPLIST.NET - fres-dc2.fres.upenn.edu

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fres-dc2.fres.upenn.edu checked at 2025-11-14T23:57:39.396Z 457ms 34/34/34 100% R:8 allDone:true timedOut:false

AI analysis

fres-dc2.fres.upenn.edu resolves to one IP number: 130.91.137.21.

Other host names, for instance domaindnszones.fres.upenn.edu, forestdnszones.fres.upenn.edu and fres.upenn.edu share IP numbers with fres-dc2.fres.upenn.edu.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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