CF1759618638947-tsm20251004101907

IPLIST.NET - 138.4.2.1

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138.4.2.1 checked at 2025-10-04T22:57:18.930Z 426ms 50/50/50 100% R:11

PTRs and A-records

PTRAfw.dit.upm.es
A2001:720:41c:2200::2
A2001:720:41c:2224::12
A2001:720:41c:2242::1
A2001:720:41c:2245::1
A2001:720:41c:2252::1
A138.4.0.2
A138.4.2.1
A138.4.3.1
A138.4.5.1
A138.4.14.1
A138.4.24.1
PTRAfw-dit.dit.upm.es
A2001:720:41c:2242::1
A138.4.2.1

IP numbers used in conjunction

100%2001:720:41c:2242::1
50%2001:720:41c:2200::2
50%2001:720:41c:2224::12
50%2001:720:41c:2245::1
50%2001:720:41c:2252::1
50%138.4.0.2
50%138.4.3.1
50%138.4.5.1
50%138.4.14.1
50%138.4.24.1

RBLS
138.4.0.0/16

AS766

Madrid, Madrid, 🇪🇸 Spain

🇪🇸 RedIRIS/Red.es

138.4.2.1 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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IclzVpx CF johedugfp 2025-10-04