CF1759921167449-tsm20251008082644

IPLIST.NET - 4.21.129.in-addr.arpa

Search for IP or hostnames:

4.21.129.in-addr.arpa checked at 2025-10-08T10:59:27.434Z 517ms 57/57/57 100% R:20

4.21.129.in-addr.arpa

NSaccuvax.northwestern.edu
A2620:10d:2010:6011::100 🇺🇸 Northwestern University
A129.105.49.100🇺🇸 Northwestern University
PTRaccuvax.northwestern.edu
NSns1a.rit.edu
A2620:8d:8000:0:aba:ca:daba:ee 🇺🇸 Rochester Institute of Technology
PTRns1a.rit.edu
A129.21.1.82🇺🇸 Rochester Institute of Technology
PTRns1a.rit.edu
NSns2a.rit.edu
A2620:8d:8000:0:aba:ca:daba:ef 🇺🇸 Rochester Institute of Technology
PTRns2a.rit.edu
A129.21.1.92🇺🇸 Rochester Institute of Technology
PTRns2a.rit.edu

21.129.in-addr.arpa

NSaccuvax.northwestern.edu
NSns1a.rit.edu
NSns2a.rit.edu

Up

Starts with same word

Starts similarily

AI analysis

4.21.129.in-addr.arpa is the parent of 21.4.21.129.in-addr.arpa, 18.4.21.129.in-addr.arpa, 3.4.21.129.in-addr.arpa, 35.4.21.129.in-addr.arpa, 6.4.21.129.in-addr.arpa and a few other host names.

4.21.129.in-addr.arpa is delegated to three name servers accuvax.northwestern.edu, ns1a.rit.edu and ns2a.rit.edu.

4.21.129.in-addr.arpa at least partially shares name servers with other domains, for instance rview.northwestern.edu, 201.205.128.in-addr.arpa, nmff.northwestern.edu, caas-tst.acsu.buffalo.edu and 220.124.165.in-addr.arpa.

These name servers are commonly used with cicada.northwestern.edu, dns01.buffalo.edu, dns02.buffalo.edu, dns03.buffalo.edu and dns04.buffalo.edu.

Host names with two IP numbers:

accuvax.northwestern.edu points to: 2620:10d:2010:6011::100 and 129.105.49.100.

ns1a.rit.edu points to: 2620:8d:8000:0:aba:ca:daba:ee and 129.21.1.82.

ns2a.rit.edu points to: 2620:8d:8000:0:aba:ca:daba:ef and 129.21.1.92.

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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lxOeYGL CF johedugfp 2025-10-08