CF1759850633651-tsm20251005211530

IPLIST.NET - 81.100.138.in-addr.arpa

Search for IP or hostnames:

81.100.138.in-addr.arpa checked at 2025-10-07T15:23:53.612Z 344ms 50/50/50 100% R:11

81.100.138.in-addr.arpa

NSeinstein.ccupm.upm.es
A2001:720:41c:40:12:100:4:8 🇪🇸 RedIRIS/Red.es
PTReinstein.ccupm.upm.es
A138.100.4.8🇪🇸 RedIRIS/Red.es
PTReinstein.ccupm.upm.es
NSgalileo.ccupm.upm.es
A2001:720:41c:40:12:100:4:4 🇪🇸 RedIRIS/Red.es
PTRgalileo.ccupm.upm.es
A138.100.4.4🇪🇸 RedIRIS/Red.es
PTRgalileo.ccupm.upm.es

100.138.in-addr.arpa

NSchico.rediris.es
NSsun.rediris.es
NSeinstein.ccupm.upm.es
NSgalileo.ccupm.upm.es

Up

Starts with same word

Starts similarily

AI analysis

81.100.138.in-addr.arpa is a parent of 1.81.100.138.in-addr.arpa and 222.81.100.138.in-addr.arpa.

Delegation for 81.100.138.in-addr.arpa rests with two name servers, einstein.ccupm.upm.es and galileo.ccupm.upm.es.

81.100.138.in-addr.arpa shares the same name server setup as other domains, including 86.4.138.in-addr.arpa, etsiae.upm.es, ssii.upm.es, 140.4.138.in-addr.arpa and 88.100.138.in-addr.arpa.

81.100.138.in-addr.arpa at least partially shares name servers with other domains, for instance din.upm.es, 132.4.138.in-addr.arpa, 41.100.138.in-addr.arpa, etsin.upm.es and 4.138.in-addr.arpa.

These name servers are commonly used together with the name servers dir.etsit.upm.es, dns.etsit.upm.es, chita.fi.upm.es, ns.fi.upm.es, tarzan.fi.upm.es, zape.fi.upm.es, dns2.dit.upm.es, dns.dit.upm.es, chico.rediris.es and sun.rediris.es.

Host names with two IP numbers: einstein.ccupm.upm.es points to 2001:720:41c:40:12:100:4:8 and 138.100.4.8; galileo.ccupm.upm.es points to 2001:720:41c:40:12:100:4:4 and 138.100.4.4.

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

bOqLmXq CF johedugfp 2025-10-07