CF1759525033632-tsm20251003185623

IPLIST.NET - 21.137.193.in-addr.arpa

Search for IP or hostnames:

21.137.193.in-addr.arpa checked at 2025-10-03T20:57:13.618Z 685ms 50/50/50 100% R:17

21.137.193.in-addr.arpa

NSns01.fccn.pt
A2001:690:a00:4001::200 🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRns01.fccn.pt
A193.136.192.40🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRns01.fccn.pt
NSns02.fccn.pt
A2001:690:a80:4001::200 🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRns02.fccn.pt
A193.136.2.228🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRns02.fccn.pt

137.193.in-addr.arpa

NSns01.fccn.pt
NSns02.fccn.pt
NSns03.fccn.pt

Up

Starts with same word

Starts similarily

AI analysis

21.137.193.in-addr.arpa has 70.21.137.193.in-addr.arpa, 69.21.137.193.in-addr.arpa and 192-26.21.137.193.in-addr.arpa as children.

Two name servers ns01.fccn.pt and ns02.fccn.pt handle the delegation for 21.137.193.in-addr.arpa.

21.137.193.in-addr.arpa shares the same name server setup as other domains, for example 135.137.193.in-addr.arpa, degois.pt, f.f.f.1.0.9.6.0.1.0.0.2.ip6.arpa, 23.137.193.in-addr.arpa and 3.137.193.in-addr.arpa.

21.137.193.in-addr.arpa at least partially shares name servers with other domains, for example rcaap.pt, ispa.pt, eracareers.pt, mec.pt and cies.iscte-iul.pt.

these name servers are commonly used with the following name servers: ns03.fccn.pt, ns1.up.pt, ns2.up.pt, ns3.up.pt, ns4.up.pt, ns.min-financas.pt, ns1.tecnico.ulisboa.pt, ns2.tecnico.ulisboa.pt, ns3.min-educ.pt and ns4.min-educ.pt.

Host names with two IP numbers:

ns01.fccn.pt points to 2001:690:a00:4001::200 and 193.136.192.40.

ns02.fccn.pt points to 2001:690:a80:4001::200 and 193.136.2.228.

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

AAhMKir CF johedugfp 2025-10-03