CF1763313831641-tsm20251116095642

IPLIST.NET - 136.137.204.in-addr.arpa

Search for IP or hostnames:

136.137.204.in-addr.arpa checked at 2025-11-16T17:23:51.604Z 85ms 47/47/47 100% R:10 allDone:true timedOut:false

136.137.204.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

137.204.in-addr.arpa

Starts with same word

Starts similarily

AI analysis

Two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com handle the delegation for 136.137.204.in-addr.arpa.

136.137.204.in-addr.arpa shares the same name server setup as other domains, for instance 22.149.in-addr.arpa, 110.6.149.in-addr.arpa, 188.105.38.in-addr.arpa, ct4partners.com and mazuma.org.

136.137.204.in-addr.arpa at least partially shares name servers with other domains, for instance berlin-mauer.de, drive-the-big-brown-truck.com, ups.vg, upsconsulting.com and sportsound.com.

These name servers are commonly used with the following: nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.net.

Host names with two IP numbers:

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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