CF1758097636656-tsm20250915222102

IPLIST.NET - 51.228.169.in-addr.arpa

Search for IP or hostnames:

51.228.169.in-addr.arpa checked at 2025-09-17T08:27:16.595Z 225ms 53/53/53 100% R:19

51.228.169.in-addr.arpa

NSns-auth1.ucsd.edu
A44.227.162.249🇺🇸 Amazon
PTRec2-44-227-162-249.us-west-2.compute.amazonaws.com
NSns-auth2.ucsd.edu
A2607:f720:100:202::174 🇺🇸 UCSD
PTRns-auth2.ucsd.edu
A132.239.252.172🇺🇸 UCSD
PTRns-auth2.ucsd.edu
NSns-auth3.ucsd.edu
A2607:f720:f00:4446::186 🇺🇸 UCSD
PTRns-auth3.ucsd.edu
A132.239.252.186🇺🇸 UCSD
PTRns-auth3.ucsd.edu

228.169.in-addr.arpa

NSns-auth1.ucsd.edu
NSns-auth2.ucsd.edu
NSns-auth3.ucsd.edu

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Starts with same word

Starts similarily

AI analysis

51.228.169.in-addr.arpa is the parent of 21.51.228.169.in-addr.arpa and 11.51.228.169.in-addr.arpa.

51.228.169.in-addr.arpa delegates to three name servers: ns-auth1.ucsd.edu, ns-auth2.ucsd.edu and ns-auth3.ucsd.edu.

51.228.169.in-addr.arpa shares some name servers with other domains, for example 57.228.169.in-addr.arpa, sccoos.org, 243.110.137.in-addr.arpa, 228.169.in-addr.arpa and 151.110.137.in-addr.arpa.

These name servers are often used together with ns0.ucsd.edu, ns1.ucsd.edu and ns2.ucsd.edu.

Host names with two IP numbers:

ns-auth2.ucsd.edu points to 2607:f720:100:202::174 and 132.239.252.172.

ns-auth3.ucsd.edu points to 2607:f720:f00:4446::186 and 132.239.252.186.

Host names with one IP number:

ns-auth1.ucsd.edu points to 44.227.162.249.

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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hJbfZsc CF johedugfp 2025-09-17