IPLIST.NET - 21.187.49.in-addr.arpa
Search for IP or hostnames:
21.187.49.in-addr.arpa checked at 2025-11-27T17:18:58.448Z 1756ms 42/42/42 100% R:23 allDone:true timedOut:false 21.187.49.in-addr.arpa
| NS | ns2.mel.optusnet.com.au | ||||||
| A | 211.31.132.98🇦🇺 Optus Internet | ||||||
| PTR | ns2.mel.optusnet.com.au | ||||||
| NS | ns1.syd.optusnet.com.au | ||||||
| A | 211.29.152.97🇦🇺 Optus Internet | ||||||
| PTR | ns1.syd.optusnet.com.au | ||||||
187.49.in-addr.arpa
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Starts with same word
Starts similarily
AI analysis
21.187.49.in-addr.arpa is a parent of 180.21.187.49.in-addr.arpa and 127.21.187.49.in-addr.arpa.
21.187.49.in-addr.arpa is delegated to two name servers: ns2.mel.optusnet.com.au and ns1.syd.optusnet.com.au.
21.187.49.in-addr.arpa uses the same name server setup as other domains, for instance 100.38.175.in-addr.arpa, 54.104.122.in-addr.arpa, 91.176.49.in-addr.arpa, 132.104.122.in-addr.arpa and 76.176.49.in-addr.arpa.
21.187.49.in-addr.arpa shares name servers with other domains at least partially, for instance 105.42.1.in-addr.arpa, 9.43.1.in-addr.arpa, 62.32.175.in-addr.arpa, 71.193.49.in-addr.arpa and 83.42.1.in-addr.arpa.
These name servers are commonly used with dns2-slave01.mel.optusnet.com.au, dns2-slave02.mel.optusnet.com.au, dns1-slave01.syd.optusnet.com.au and dns1-slave02.syd.optusnet.com.au.
Host names with one IP number:
ns2.mel.optusnet.com.au points to: 211.31.132.98.
ns1.syd.optusnet.com.au points to: 211.29.152.97.