CF1760972275433-tsm20251017082432

DNSWHOIS.INFO - 28.72.187.in-addr.arpa

Search for IP or hostnames:

28.72.187.in-addr.arpa checked at 2025-10-20T14:57:55.411Z 897ms 44/44/44 100% R:16

28.72.187.in-addr.arpa

NSnspar.ctbc.com.br
A2001:1291:0:46::b 🇧🇷 Algar Telecom
PTRnspar.ctbc.com.br
A201.48.254.49🇧🇷 Algar Telecom
PTRnspar.ctbc.com.br
NSnssar.ctbc.com.br
A2001:1291:0:47::b 🇧🇷 Algar Telecom
PTRnssar.ctbc.com.br
A201.48.254.57🇧🇷 Algar Telecom
PTRnssar.ctbc.com.br

72.187.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

28.72.187.in-addr.arpa is a parent of 145.28.72.187.in-addr.arpa and 148.28.72.187.in-addr.arpa.

28.72.187.in-addr.arpa's delegation uses two name servers: nspar.ctbc.com.br and nssar.ctbc.com.br.

28.72.187.in-addr.arpa uses the same name server setup as other domains, such as 90.48.201.in-addr.arpa, 106.69.177.in-addr.arpa, 96.69.177.in-addr.arpa, telbrax.net.br and 75.112.189.in-addr.arpa.

Host names with two IPs:

nspar.ctbc.com.br points to 2001:1291:0:46::b and 201.48.254.49

nssar.ctbc.com.br points to 2001:1291:0:47::b and 201.48.254.57

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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