CF1759218335168-tsm20250929235914

IPLIST.NET - 21.231.2.in-addr.arpa

Search for IP or hostnames:

21.231.2.in-addr.arpa checked at 2025-09-30T07:45:35.150Z 194ms 44/44/44 100% R:12

21.231.2.in-addr.arpa

NSdns3.fastweb.it
A2001:b00:4:5:3:: 🇮🇹 Fastweb
A85.18.87.69🇮🇹 Fastweb
PTRdns3.fastweb.it
NSdns4.fastweb.it
A2001:b00:4:8:3:: 🇮🇹 Fastweb
A213.140.22.93🇮🇹 Fastweb
PTRdns4.fastweb.it

231.2.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

21.231.2.in-addr.arpa is a parent of 138.21.231.2.in-addr.arpa and 0.21.231.2.in-addr.arpa.

Delegation for 21.231.2.in-addr.arpa rests with two name servers, dns3.fastweb.it and dns4.fastweb.it.

21.231.2.in-addr.arpa shares the same name server setup as other domains, including ospedalemonaldi.it, 147.232.2.in-addr.arpa, 239.63.93.in-addr.arpa, 172.51.93.in-addr.arpa and rbvita.it.

Host names with two IP numbers: dns3.fastweb.it points to 2001:b00:4:5:3:: and 85.18.87.69; dns4.fastweb.it points to 2001:b00:4:8:3:: and 213.140.22.93.

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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ilAVMGS CF johedugfp 2025-09-30