CF1763553540448-tsm20251116095642

IPLIST.NET - 203.77.192.in-addr.arpa

Search for IP or hostnames:

203.77.192.in-addr.arpa checked at 2025-11-19T11:59:00.329Z 627ms 47/47/47 100% R:6 allDone:true timedOut:false

203.77.192.in-addr.arpa

NSauth1.dns.cogentco.com
A2001:550:1:a::d 🇺🇸 COGENT
PTRauth1.dns.cogentco.com
A66.28.0.14🇺🇸 COGENT
PTRauth1.dns.cogentco.com
NSauth2.dns.cogentco.com
A2001:550:1:b::d 🇺🇸 COGENT
PTRauth2.dns.cogentco.com
A66.28.0.30🇺🇸 COGENT
PTRauth2.dns.cogentco.com

77.192.in-addr.arpa

Starts with same word

Starts similarily

AI analysis

Two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com are delegated to 203.77.192.in-addr.arpa.

203.77.192.in-addr.arpa uses the same name server configuration as other domains, such as 161.161.in-addr.arpa, 218.164.205.in-addr.arpa, 1.98.38.in-addr.arpa, 130.164.205.in-addr.arpa and 121.142.38.in-addr.arpa.

203.77.192.in-addr.arpa at least partially shares name servers with other domains such as rbb-text.de, 47.162.65.in-addr.arpa, theupsstore.se, ups-consulting.com and 65.234.199.in-addr.arpa.

these name servers are commonly used with nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.vodafone-ip.de and ns2.vodafone-ip.de.

Host names with two IPs:

auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14.

auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30.

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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