CF1761965963523-tsm20251029173950

WWW.RTSAK.COM - 31.11.198.in-addr.arpa

Search for IP or hostnames:

31.11.198.in-addr.arpa checked at 2025-11-01T02:59:23.458Z 1728ms 51/51/51 100% R:9

31.11.198.in-addr.arpa

NSboulder.colorado.edu
A2620:18f:20:1032::5 🇺🇸 University of Colorado at Boulder
PTRboulder.colorado.edu
A128.138.240.1🇺🇸 University of Colorado at Boulder
PTRboulder.colorado.edu
NSoldduke.colorado.edu
A2620:18f:20:2002::5 🇺🇸 University of Colorado at Boulder
PTRoldduke.colorado.edu
A128.138.130.30🇺🇸 University of Colorado at Boulder
PTRoldduke.colorado.edu
NSotis.colorado.edu
A2620:18f:20:2::5 🇺🇸 University of Colorado at Boulder
PTRotis.colorado.edu
A128.138.129.76🇺🇸 University of Colorado at Boulder
PTRotis.colorado.edu

11.198.in-addr.arpa

Starts with same word

Starts similarily

AI analysis

31.11.198.in-addr.arpa is delegated to name servers boulder.colorado.edu, oldduke.colorado.edu and otis.colorado.edu.

31.11.198.in-addr.arpa at least partially shares name servers with other domains such as 240.12.192.in-addr.arpa, 243.12.192.in-addr.arpa, 26.11.198.in-addr.arpa, 24.11.198.in-addr.arpa and 69.59.198.in-addr.arpa.

Host names with two IP numbers:

boulder.colorado.edu points to 2620:18f:20:1032::5 and 128.138.240.1.

oldduke.colorado.edu points to 2620:18f:20:2002::5 and 128.138.130.30.

otis.colorado.edu points to 2620:18f:20:2::5 and 128.138.129.76.

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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