IPLIST.NET - 172.21.129.in-addr.arpa

Search for IP or hostnames:

172.21.129.in-addr.arpa checked at 2025-10-17T02:18:04.761Z 439ms 57/57/57 100% R:11

`172.21.129.in-addr.arpa`

NS	`accuvax.northwestern.edu`
		A	2620:10d:2010:6011::100 ^{🇺🇸 Northwestern University}
		A	129.105.49.100^{🇺🇸 Northwestern University}
			PTR	`accuvax.northwestern.edu`
NS	`ns1a.rit.edu`
		A	2620:8d:8000:0:aba:ca:daba:ee ^{🇺🇸 Rochester Institute of Technology}
			PTR	`ns1a.rit.edu`
		A	129.21.1.82^{🇺🇸 Rochester Institute of Technology}
			PTR	`ns1a.rit.edu`
NS	`ns2a.rit.edu`
		A	2620:8d:8000:0:aba:ca:daba:ef ^{🇺🇸 Rochester Institute of Technology}
			PTR	`ns2a.rit.edu`
		A	129.21.1.92^{🇺🇸 Rochester Institute of Technology}
			PTR	`ns2a.rit.edu`

`21.129.in-addr.arpa`

	NS	`accuvax.northwestern.edu`
	NS	`ns1a.rit.edu`
	NS	`ns2a.rit.edu`

Up

160.172.21.129.in-addr.arpa

Starts with same word

172.la

172.nl

172.ch

172.fr

172.jp

172.org

172.in-addr.arpa

172.in

172.co

172.ph

172.ir

172.com

172.one

172.aero

172.de

172.us

172.it

172.tw

172.ca

172.zone

172.ws

172.net

172.hk

Starts similarily

721.tw

712.com.cn

271.nl

271.spb.ru

271.com

271.ch

127.ath.cx

217.cc

127.pictures

127.jp

271.us

217.waw.pl

271.se

721.org

721.in

721.com

721.ink

217.es

721.net

712.cz

712.com

217.ca

127.cz

271.de

127.de

127.com

721.info

217.ch

127.us

172.zone

127.co

271.eu

217.ws

127.ws

712.jpn.com

217.am

127.net

217.church

127.me

172.ws

712.ru

172.net

127.one

217.eu

271.cc

172.hk

127.hk

712.us

127.network

127.cn

712.at

217.com

127.no

721.pl

721.cz

271.ru

172.la

172.nl

271.in

721.tv

271.xyz

712.de

127.email

712.nl

172.ch

217.tv

127.dk

721.dk

271.com.cn

172.fr

172.jp

721.cc

217.be

271.ir

712.cc

217.cn

172.org

712.it

172.in-addr.arpa

127.cc

271.co

721.studio

172.in

217.co

127.ca

721.co

217.de

127.ch

712.net

721.me

127.ru

712.fr

127.sunnyday.jp

271.ca

217.in-addr.arpa

712.jp

217.dk

127.it

172.co

127.fi

127.fr

172.ph

217.jp

127.wtf

712.cn

172.ir

172.com

172.one

172.aero

172.de

712.run

217.in

712.es

127.la

127.at

271.ph

217.ru

172.us

217.net

127.xxx

172.it

721.ph

271.jp

127.mx

721.cn

721.de

217.fr

127.in-addr.arpa

721.ru

172.tw

217.at

127.run

712.eu

172.ca

127.io

127.ink

712.lt

AI analysis

172.21.129.in-addr.arpa is the parent of 160.172.21.129.in-addr.arpa.

172.21.129.in-addr.arpa is delegated to three name servers: accuvax.northwestern.edu, ns1a.rit.edu and ns2a.rit.edu.

172.21.129.in-addr.arpa at least partially shares name servers with other domains, for instance 88.74.199.in-addr.arpa, linguistics.northwestern.edu, 103.21.129.in-addr.arpa, 254.205.128.in-addr.arpa and 181.21.129.in-addr.arpa.

These name servers are commonly used alongside the name servers cicada.northwestern.edu, dns01.buffalo.edu, dns02.buffalo.edu, dns03.buffalo.edu and dns04.buffalo.edu.

Host names with two IP numbers:

Host accuvax.northwestern.edu points to 2620:10d:2010:6011::100 and 129.105.49.100.

Host ns1a.rit.edu points to 2620:8d:8000:0:aba:ca:daba:ee and 129.21.1.82.

Host ns2a.rit.edu points to 2620:8d:8000:0:aba:ca:daba:ef and 129.21.1.92.

dbq