CF1757876126271-tsm20250914164358

DNSWHOIS.INFO - 40.139.in-addr.arpa

Search for IP or hostnames:

40.139.in-addr.arpa checked at 2025-09-14T18:55:26.248Z 236ms 84/84/84 100% R:21

40.139.in-addr.arpa

NScon1r.nipr.mil
A2608:140:c:157::251 🇺🇸 AS5927
PTRcon1r.nipr.mil
A199.252.157.251🇺🇸 AS721
PTRcon1r.nipr.mil
NScon2r.nipr.mil
A2608:120:c:162::251 🇺🇸 AS5927
PTRcon2r.nipr.mil
A199.252.162.251🇺🇸 AS721
PTRcon2r.nipr.mil
NSeur1r.nipr.mil
A2608:4122:2:154::251 🇺🇸 AS5927
PTReur1r.nipr.mil
A199.252.154.251🇺🇸 AS721
PTReur1r.nipr.mil
NSeur2r.nipr.mil
A2608:4163:1:143::251 🇺🇸 AS5927
PTReur2r.nipr.mil
A199.252.143.251🇺🇸 AS721
PTReur2r.nipr.mil
NSpac1r.nipr.mil
A2608:c184:1:180::251 🇺🇸 AS5927
A199.252.180.251🇺🇸 AS721
PTRpac1r.nipr.mil
NSpac2r.nipr.mil
A2608:c144:1:155::251 🇺🇸 AS5927
A199.252.155.251🇺🇸 AS721
PTRpac2r.nipr.mil

139.in-addr.arpa

NSr.arin.net
NSu.arin.net
NSx.arin.net
NSy.arin.net
NSz.arin.net
NSarin.authdns.ripe.net

Up

Starts with same word

Starts similarily

AI analysis

The parent of both 168.40.139.in-addr.arpa and 150.40.139.in-addr.arpa is 40.139.in-addr.arpa.

The six name servers to which 40.139.in-addr.arpa is delegated are con1r.nipr.mil, con2r.nipr.mil, eur1r.nipr.mil, eur2r.nipr.mil, pac1r.nipr.mil, and pac2r.nipr.mil.

The domain 40.139.in-addr.arpa shares at least some of its name servers with other domains such as 149.138.in-addr.arpa, 241.164.in-addr.arpa, 141.138.in-addr.arpa, 214.in-addr.arpa, and 234.164.in-addr.arpa.

con1r.nipr.mil, con2r.nipr.mil, eur1r.nipr.mil, eur2r.nipr.mil, pac1r.nipr.mil, and pac2r.nipr.mil all point to two IP numbers each: 2608:140:c:157::251, 199.252.157.251, 2608:120:c:162::251, 199.252.162.251, 2608:4122:2:154::251, 199.252.154.251, 2608:4163:1:143::251, 199.252.143.251, 2608:c184:1:180::251, 199.252.180.251, 2608:c144:1:155::251, and 199.252.155.251 respectively.

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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