CF1760045107280-tsm20251009080619

IPLIST.NET - 168.82.157.in-addr.arpa

Search for IP or hostnames:

168.82.157.in-addr.arpa checked at 2025-10-09T21:25:07.260Z 1051ms 67/67/67 100% R:31

168.82.157.in-addr.arpa

NSpenguin.iis.u-tokyo.ac.jp
A2404:d540:1:8200:157:82:144:140 🇯🇵 UTnet
A157.82.144.140🇯🇵 UTnet
PTRpenguin.iis.u-tokyo.ac.jp
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 🇯🇵 NTT PC Communications (InfoSphere)
A119.245.132.49🇯🇵 NTT PC Communications (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

82.157.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

168.82.157.in-addr.arpa has children including 117.168.82.157.in-addr.arpa, 108.168.82.157.in-addr.arpa, 123.168.82.157.in-addr.arpa, 254.168.82.157.in-addr.arpa, 159.168.82.157.in-addr.arpa and a few other host names.

168.82.157.in-addr.arpa is delegated to four name servers: penguin.iis.u-tokyo.ac.jp, dns1.nc.u-tokyo.ac.jp, dns2.nc.u-tokyo.ac.jp and dns3.nc.u-tokyo.ac.jp.

At least part of the name servers for 168.82.157.in-addr.arpa are shared with other domains, for instance 0.157.11.133.in-addr.arpa, 128.45.11.133.in-addr.arpa, 190.11.133.in-addr.arpa, 218.11.133.in-addr.arpa and 80.11.133.in-addr.arpa.

these name servers are commonly used with the name servers ns1.t.u-tokyo.ac.jp, ns.a.u-tokyo.ac.jp, dns101.ecc.u-tokyo.ac.jp, dns.ecc.u-tokyo.ac.jp, ns1.s.u-tokyo.ac.jp, ns2.s.u-tokyo.ac.jp, ns-e6.keisu.t.u-tokyo.ac.jp, dnsserver02.ecc.u-tokyo.ac.jp, dnsserver03.ecc.u-tokyo.ac.jp and dnsserver04.ecc.u-tokyo.ac.jp.

Host names with two IP numbers:

penguin.iis.u-tokyo.ac.jp points to: 2404:d540:1:8200:157:82:144:140 and 157.82.144.140

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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iKqKpBL CF johedugfp 2025-10-09