IPLIST.NET - 203.137.204.in-addr.arpa

Search for IP or hostnames:

203.137.204.in-addr.arpa checked at 2025-11-17T12:25:32.321Z 209ms 47/47/47 100% R:11 allDone:true timedOut:false

`203.137.204.in-addr.arpa`

NS	`auth1.dns.cogentco.com`
		A	2001:550:1:a::d ^{🇺🇸 COGENT}
			PTR	`auth1.dns.cogentco.com`
		A	66.28.0.14^{🇺🇸 COGENT}
			PTR	`auth1.dns.cogentco.com`
NS	`auth2.dns.cogentco.com`
		A	2001:550:1:b::d ^{🇺🇸 COGENT}
			PTR	`auth2.dns.cogentco.com`
		A	66.28.0.30^{🇺🇸 COGENT}
			PTR	`auth2.dns.cogentco.com`

`137.204.in-addr.arpa`

Starts with same word

203.se

203.de

203.cc

203.com

203.events

203.pl

203.tel

203.cz

203.tv

203.me

203.ca

203.am

203.org.cn

203.one

203.it

203.eu

203.mobi

203.in-addr.arpa

203.ph

203.bet

203.org

203.in

203.nu

203.fr

203.ws

Starts similarily

230.la

023.cn

023.se

302.nl

023.ink

203.tel

203.cz

023.org.cn

032.io

320.de

320.ca

230.in-addr.arpa

230.ph

302.jp

023.fr

302.no

302.cl

203.tv

302.de

302.io

023.city

023.me

320.ru

230.tv

203.me

203.ca

203.am

023.com

302.at

032.se

023.pl

032.vg

032.eu

023.com.ar

032.cn

320.coach

230.cc

203.org.cn

023.vin

320.ch

230.cz

320.in

320.la

203.one

032.co.kr

302.re

032.be

032.net

302.co

203.it

023.eu

023.im

032.la

230.ca

302.eu

023.biz

032.ph

302.ru

023.cq.cn

302.cz

032.nl

023.gr

023.bid

023.org

203.eu

320.co.uk

230.hu

320.cc

032.me

302.lt

203.mobi

302.ca

023.zone

203.in-addr.arpa

023.hr

320.co

320.org

230.net.cn

203.ph

230.ch

032.tel

302.tv

320.us

032.su

230.dental

032.org

203.bet

230.de

032.app

032.pl

032.ru

032.org.uk

032.ua

302.directory

203.org

302.red

203.in

032.fr

230.bet

320.life

302.pl

023.us

203.nu

302.kim

032.com

203.fr

023.cm

230.com.ua

302.se

032.it

023.co.nz

302.cool

302.cc

023.chat

230.by

023.ru

302.am

302.com

320.com

203.ws

302.in

203.se

023.info

203.de

023.design

230.pl

203.cc

302.im

032.am

320.dk

032.es

032.pp.ua

320.nl

032.xyz

230.org

230.net

302.cm

230.ru

302.zone

023.nl

023.link

032.cl

023.la

230.ro

032.kr

203.com

230.es

302.to

302.biz

302.technology

320.me

302.bet

203.events

230.co

230.co.il

032.de

230.us

230.com

302.is

023.jp

023.co

203.pl

023.rs

302.hu

AI analysis

203.137.204.in-addr.arpa is delegated to two name servers: auth1.dns.cogentco.com and auth2.dns.cogentco.com.

203.137.204.in-addr.arpa uses the same name server setup as other domains, including 28.190.206.in-addr.arpa, 194.82.38.in-addr.arpa, 17.112.38.in-addr.arpa, 37.21.208.in-addr.arpa and 89.104.38.in-addr.arpa.

At least part of the name servers for 203.137.204.in-addr.arpa are shared with other domains, for instance core.hbci.com, 78.195.91.in-addr.arpa, 69.234.199.in-addr.arpa, ard-hauptstadtstudio.de and ups.jobs.

these name servers are commonly used with the name servers ns1.vodafone-ip.de, ns2.vodafone-ip.de, nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, pulsar2.hbci.com, pulsar3.hbci.com, pulsar.hbci.com and dns.luminet.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.

dbq