CF1763516164597-tsm20251116095642

WWW.RTSAK.COM - 54.11.133.in-addr.arpa

Search for IP or hostnames:

54.11.133.in-addr.arpa checked at 2025-11-19T01:36:04.500Z 995ms 67/67/67 100% R:18 allDone:true timedOut:false

54.11.133.in-addr.arpa

NSi-ns.i.u-tokyo.ac.jp
A2404:d540:1:2041::10 🇯🇵 UTnet
A133.11.232.71🇯🇵 UTnet
NSdns1.nc.u-tokyo.ac.jp
A2001:200:180::35:1 🇯🇵 WIDE Project
PTRdns1.nc.u-tokyo.ac.jp
A133.11.0.1🇯🇵 UTnet
PTRdns1.nc.u-tokyo.ac.jp
NSdns2.nc.u-tokyo.ac.jp
A2001:2c0:ce07:f900::2 🇯🇵 InfoSphere
A119.245.132.49🇯🇵 InfoSphere
NSdns3.nc.u-tokyo.ac.jp
A2001:200:180::35:3 🇯🇵 WIDE Project
PTRdns3.nc.u-tokyo.ac.jp
A157.82.0.1🇯🇵 UTnet
PTRdns3.nc.u-tokyo.ac.jp

11.133.in-addr.arpa

NSdns1.nc.u-tokyo.ac.jp
NSdns2.nc.u-tokyo.ac.jp
NSdns3.nc.u-tokyo.ac.jp

Up

Starts with same word

Starts similarily

AI analysis

The parent of 97.54.11.133.in-addr.arpa, 7.54.11.133.in-addr.arpa, 114.54.11.133.in-addr.arpa, 14.54.11.133.in-addr.arpa, 189.54.11.133.in-addr.arpa and a few other host names is 54.11.133.in-addr.arpa.

54.11.133.in-addr.arpa is delegated to four name servers: i-ns.i.u-tokyo.ac.jp, dns1.nc.u-tokyo.ac.jp, dns2.nc.u-tokyo.ac.jp and dns3.nc.u-tokyo.ac.jp.

54.11.133.in-addr.arpa shares some name servers with other domains, for example aori.u-tokyo.ac.jp, 80.226.82.157.in-addr.arpa, hs.p.u-tokyo.ac.jp, 150.82.157.in-addr.arpa and 204.11.133.in-addr.arpa.

these name servers are often used with ns1.t.u-tokyo.ac.jp, penguin.iis.u-tokyo.ac.jp, dns101.ecc.u-tokyo.ac.jp, dns.ecc.u-tokyo.ac.jp, ns.a.u-tokyo.ac.jp, ns1.s.u-tokyo.ac.jp, ns2.s.u-tokyo.ac.jp, ns-e6.keisu.t.u-tokyo.ac.jp, ns2.t.u-tokyo.ac.jp and ns.rcast.u-tokyo.ac.jp.

Host names with two IP numbers

Two IPs per host:

i-ns.i.u-tokyo.ac.jp points to 2404:d540:1:2041::10 and 133.11.232.71

dns1.nc.u-tokyo.ac.jp points to 2001:200:180::35:1 and 133.11.0.1

dns2.nc.u-tokyo.ac.jp points to 2001:2c0:ce07:f900::2 and 119.245.132.49

dns3.nc.u-tokyo.ac.jp points to 2001:200:180::35:3 and 157.82.0.1

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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