CF1763413147661-tsm20251116095642

IPLIST.NET - 121.123.74.in-addr.arpa

Search for IP or hostnames:

121.123.74.in-addr.arpa checked at 2025-11-17T20:59:07.500Z 5413ms 41/41/42 98% R:11 allDone:false timedOut:true

121.123.74.in-addr.arpa

NSauth1.mathematica-mpr.com
A74.123.121.6🇺🇸 AS53373
PTRauth1.mathematica-mpr.com
NSauth2.mathematica-mpr.com
A74.123.127.6🇺🇸 VZB
PTRauth2.mathematica-mpr.com
NSauth3.mathematica-mpr.com
A74.123.120.12🇺🇸 AS53373

123.74.in-addr.arpa

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AI analysis

121.123.74.in-addr.arpa is the parent of 6.121.123.74.in-addr.arpa.

121.123.74.in-addr.arpa is delegated to three name servers: auth1.mathematica-mpr.com, auth2.mathematica-mpr.com and auth3.mathematica-mpr.com.

121.123.74.in-addr.arpa at least partially shares name servers with other domains, including mathematica.net, mathematica-mpr.net, mathematica-mpr.com, mathematicapolicyresearchinc.org and mathematica-mpr.org.

Hostnames with a single IP:

auth1.mathematica-mpr.com points to: 74.123.121.6.

auth2.mathematica-mpr.com points to: 74.123.127.6.

auth3.mathematica-mpr.com points to: 74.123.120.12.

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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