IPLIST.NET - 31.128.in-addr.arpa

Search for IP or hostnames:

31.128.in-addr.arpa checked at 2025-09-19T20:55:43.524Z 397ms 59/59/59 100% R:18

`31.128.in-addr.arpa`

NS	`auth-ns0.csail.mit.edu`
		A	2603:400a:0:7d2::801e:27b ^{🇺🇸 Massachusetts Institute of Technology}
			PTR	`auth-ns0.csail.mit.edu`
		A	128.30.2.123^{🇺🇸 Massachusetts Institute of Technology}
			PTR	`auth-ns0.csail.mit.edu`
NS	`auth-ns1.csail.mit.edu`
		A	128.31.0.18^{🇺🇸 Massachusetts Institute of Technology}
			PTR	`auth-ns1.csail.mit.edu`
NS	`auth-ns2.csail.mit.edu`
		A	128.52.32.80^{🇺🇸 Massachusetts Institute of Technology}
			PTR	`new-life.csail.mit.edu`
NS	`auth-ns3.csail.mit.edu`
		A	2600:1f16:ceb:1302::a ^{🇺🇸 Amazon}
		A	18.220.24.142^{🇺🇸 Amazon}
			PTR	`ec2-18-220-24-142.us-east-2.compute.amazonaws.com`

`128.in-addr.arpa`

	NS	`r.arin.net`
	NS	`u.arin.net`
	NS	`x.arin.net`
	NS	`y.arin.net`
	NS	`z.arin.net`
	NS	`arin.authdns.ripe.net`

Up

5.31.128.in-addr.arpa

4.31.128.in-addr.arpa

6.31.128.in-addr.arpa

Starts with same word

31.cn

31.fyi

31.net

31.plus

31.cz

31.ph

31.org

31.pl

31.company

31.vc

31.gold

31.com

31.no

31.hu

31.io

31.club

31.to

31.be

31.lv

31.app

31.in-addr.arpa

31.ro

31.tel

31.sk

31.ag

31.ca

31.chat

31.cl

31.hk

31.su

31.fr

31.se

31.eu

31.bz

31.kz

31.cards

31.cm

31.bet

Starts similarily

13.com

31.fyi

31.net

31.plus

31.cz

13.org

13.wtf

31.ph

13.lt

13.cn

13.nl

31.org

31.pl

13.ua

13.in-addr.arpa

31.company

13.cz

31.vc

31.gold

13.today

13.com.ua

13.s3.amazonaws.com

13.no

13.world

13.com.au

13.net

13.chat

13.su

13.am

13.ee

13.ph

13.be

31.com

13.yt

31.no

13.by

13.vc

13.co.uk

13.fi

31.hu

13.gen.tr

13.net.ru

31.io

31.club

31.to

13.ru

13.to

31.be

13.fr

31.lv

31.app

13.st

13.pw

31.in-addr.arpa

13.media

13.amsterdam

13.si

13.ca

31.ro

31.tel

31.sk

13.eu

31.ag

31.ca

13.com.ru

31.chat

13.plus

13.ae

31.cl

13.cl

13.school

13.pl

31.hk

13.kg

31.su

13.com.my

13.uz

31.fr

31.se

13.is

31.eu

13.se

31.bz

31.kz

31.cards

13.ly

31.cm

13.co.za

13.fyi

13.sb

31.bet

13.kz

31.cn

AI analysis

31.128.in-addr.arpa is a parent of 5.31.128.in-addr.arpa, 4.31.128.in-addr.arpa and 6.31.128.in-addr.arpa.

31.128.in-addr.arpa is delegated to four name servers: auth-ns0.csail.mit.edu, auth-ns1.csail.mit.edu, auth-ns2.csail.mit.edu and auth-ns3.csail.mit.edu.

31.128.in-addr.arpa at least partially shares name servers with other domains such as 4.31.128.in-addr.arpa, 26.18.in-addr.arpa, 164.52.128.in-addr.arpa, openstack.csail.mit.edu and 52.128.in-addr.arpa.

these name servers are commonly used with the name servers bubbles.lids.mit.edu.

Host names with two IP numbers:

auth-ns0.csail.mit.edu points to: 2603:400a:0:7d2::801e:27b and 128.30.2.123.

auth-ns3.csail.mit.edu points to: 2600:1f16:ceb:1302::a and 18.220.24.142.

Host names with one IP number:

auth-ns1.csail.mit.edu points to: 128.31.0.18.

auth-ns2.csail.mit.edu points to: 128.52.32.80.

dbq