CF1760146836650-tsm20251010183831

IPLIST.NET - 138.4.2.21

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138.4.2.21 checked at 2025-10-11T01:40:36.591Z 487ms 9/9/9 100% R:7

PTRs and A-records

PTRAmentor.dit.upm.es
A138.4.2.21

RBLS
138.4.0.0/16

AS766

Madrid, Madrid, 🇪🇸 Spain

🇪🇸 RedIRIS/Red.es

138.4.2.21 Madrid, Madrid, 🇪🇸 SpainCourtesy of ipinfo.io

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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LHKFSHj CF johedugfp 2025-10-11