CF1759062484880-tsm20250927195623

IPLIST.NET - 209.2.128.in-addr.arpa

Search for IP or hostnames:

209.2.128.in-addr.arpa checked at 2025-09-28T12:28:04.867Z 112ms 42/42/42 100% R:12

209.2.128.in-addr.arpa

NSnsauth-ib1.net.cmu.edu
A128.2.1.30🇺🇸 Carnegie Mellon University
PTRnsauth-ib1.net.cmu.edu
NSnsauth-ib2.net.cmu.edu
A128.237.148.161🇺🇸 Carnegie Mellon University
PTRnsauth-ib2.net.cmu.edu

2.128.in-addr.arpa

NSnsauth1.net.cmu.edu
NSnsauth2.net.cmu.edu
NSnsauth3.net.cmu.edu

Up

Starts with same word

Starts similarily

AI analysis

209.2.128.in-addr.arpa is the parent of 93.209.2.128.in-addr.arpa, 80.209.2.128.in-addr.arpa, 167.209.2.128.in-addr.arpa, 9.209.2.128.in-addr.arpa, 34.209.2.128.in-addr.arpa and several other host names.

209.2.128.in-addr.arpa's delegation is to two name servers nsauth-ib1.net.cmu.edu and nsauth-ib2.net.cmu.edu.

209.2.128.in-addr.arpa shares the same name server configuration as other domains, such as 193.2.128.in-addr.arpa, 190.2.128.in-addr.arpa, local.cs.cmu.edu, s3d.cmu.edu and fac.cs.cmu.edu.

209.2.128.in-addr.arpa at least partially shares its name servers with other domains, for instance 237.128.in-addr.arpa, cheme.cmu.edu, 203.2.128.in-addr.arpa, carnegiemellon.net and dtc.cmu.net.

These name servers are often used together with the name servers blox-aws-01.ns.cmu.net.

Host names with a single IP:

nsauth-ib1.net.cmu.edu resolves to 128.2.1.30.

nsauth-ib2.net.cmu.edu resolves to 128.237.148.161.

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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