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IPLIST.NET - dhcp12.cs.columbia.edu

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dhcp12.cs.columbia.edu checked at 2025-10-02T14:24:51.378Z 131ms 22/22/22 100% R:15
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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IDSzRoi CF johedugfp 2025-10-02