CF1761104673535-tsm20251017082432

DNSWHOIS.INFO - 4.27.133.in-addr.arpa

Search for IP or hostnames:

4.27.133.in-addr.arpa checked at 2025-10-22T03:44:33.521Z 569ms 49/49/49 100% R:26

4.27.133.in-addr.arpa

NSns01.sfc.keio.ac.jp
A133.27.4.21🇯🇵 KEIO-NET
PTRns01.sfc.keio.ac.jp
NSns02.sfc.keio.ac.jp
A133.27.4.22🇯🇵 KEIO-NET
PTRns02.sfc.keio.ac.jp
NSns0.sfc.keio.ac.jp
A2001:df2:c900:1100::4:121 🇯🇵 KEIO-NET
PTRns0.sfc.keio.ac.jp
A133.27.4.121🇯🇵 KEIO-NET
PTRns0.sfc.keio.ac.jp

27.133.in-addr.arpa

NSns0.keio.ac.jp
NSns1.keio.ac.jp
NSns9.keio.ac.jp
NSns01.sfc.keio.ac.jp
NSns02.sfc.keio.ac.jp
NSns0.sfc.keio.ac.jp

Up

Starts with same word

Starts similarily

AI analysis

The parent of 21.4.27.133.in-addr.arpa, 178.4.27.133.in-addr.arpa, 128.4.27.133.in-addr.arpa, 126.4.27.133.in-addr.arpa, 183.4.27.133.in-addr.arpa and a few other host names is 4.27.133.in-addr.arpa.

4.27.133.in-addr.arpa delegates to three name servers: ns01.sfc.keio.ac.jp, ns02.sfc.keio.ac.jp and ns0.sfc.keio.ac.jp.

4.27.133.in-addr.arpa shares some name servers with other domains, for example 194.113.131.in-addr.arpa, adst.keio.ac.jp, reha.med.keio.ac.jp, 192.113.131.in-addr.arpa and mag.keio.ac.jp.

these name servers are often used with ns0.keio.ac.jp, ns1.keio.ac.jp, ns9.keio.ac.jp, dns0.mag.keio.ac.jp, dns1.mag.keio.ac.jp, jsserv.sfc-js.keio.ac.jp, ns1.adst.keio.ac.jp, ns2.adst.keio.ac.jp, ns8.adst.keio.ac.jp and c-ns.bioinfo.sfc.keio.ac.jp.

Host names with two IP numbers: ns0.sfc.keio.ac.jp points to 2001:df2:c900:1100::4:121 and 133.27.4.121.

Host names with one IP number: ns01.sfc.keio.ac.jp points to 133.27.4.21 and ns02.sfc.keio.ac.jp points to 133.27.4.22.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

AcrjOPW CF johedugfp 2025-10-22