IPLIST.NET - 51.21.100.in-addr.arpa

Search for IP or hostnames:

51.21.100.in-addr.arpa checked at 2025-10-11T19:25:06.729Z 230ms 48/48/48 100% R:15

`51.21.100.in-addr.arpa`

NS	`ns1-24-us-west-2.ec2-rdns.amazonaws.com`
		A	205.251.197.77^{🇺🇸 Amazon}
			PTR	`ns-1357.awsdns-41.org`
NS	`ns2-24-us-west-2.ec2-rdns.amazonaws.com`
		A	205.251.198.5^{🇺🇸 Amazon}
			PTR	`ns-1541.awsdns-00.co.uk`
NS	`ns3-24-us-west-2.ec2-rdns.amazonaws.com`
		A	205.251.193.225^{🇺🇸 Amazon}
			PTR	`ns-481.awsdns-60.com`
NS	`ns4-24-us-west-2.ec2-rdns.amazonaws.com`
		A	205.251.194.254^{🇺🇸 Amazon}
			PTR	`ns-766.awsdns-31.net`

`21.100.in-addr.arpa`

	NS	`ns1-16-us-west-2.ec2-rdns.amazonaws.com`
	NS	`ns2-16-us-west-2.ec2-rdns.amazonaws.com`
	NS	`ns3-16-us-west-2.ec2-rdns.amazonaws.com`
	NS	`ns4-16-us-west-2.ec2-rdns.amazonaws.com`

Up

65.51.21.100.in-addr.arpa

104.51.21.100.in-addr.arpa

167.51.21.100.in-addr.arpa

253.51.21.100.in-addr.arpa

160.51.21.100.in-addr.arpa

135.51.21.100.in-addr.arpa

124.51.21.100.in-addr.arpa

246.51.21.100.in-addr.arpa

126.51.21.100.in-addr.arpa

119.51.21.100.in-addr.arpa

95.51.21.100.in-addr.arpa

239.51.21.100.in-addr.arpa

Starts with same word

51.biz

51.no

51.vg

51.tv

51.net.cn

51.gold

51.be

51.org

51.su

51.am

51.ie

51.cc

51.fr

51.pl

51.ca

51.nu

51.fyi

51.al

51.com.ua

51.lv

51.net

51.la

51.in-addr.arpa

51.fi

51.school

51.bet

51.hk

51.ro

51.dp.ua

51.com

51.wf

51.ph

51.se

51.com.br

51.com.tr

51.ws

51.com.hk

51.lt

51.hu

51.wtf

51.world

51.com.tw

51.de

51.cz

51.chat

51.win

51.ru

51.gs

51.is

51.eu

51.cool

Starts similarily

15.business

15.org.ua

51.al

51.com.ua

15.football

15.be

51.lv

15.fi

15.energy

51.net

51.la

15.com

51.in-addr.arpa

15.org

51.fi

51.school

51.bet

15.chat

15.la

15.xyz

51.hk

15.com.mx

51.ro

15.ph

51.dp.ua

51.com

15.lv

15.de

51.wf

51.ph

51.se

51.com.br

51.com.tr

51.ws

15.gold

15.tel

51.com.hk

51.lt

15.cn

51.hu

15.nl

15.ie

51.wtf

15.com.ua

15.in-addr.arpa

51.world

15.com.tw

51.com.tw

51.de

15.ro

15.hk

15.se

51.cz

51.chat

15.am

15.ae

51.win

51.ru

15.graphics

51.gs

15.io

51.is

15.app

15.biz

51.eu

51.cool

15.com.tr

51.biz

51.no

51.vg

51.tv

15.ca

15.uk

15.cl

15.rs

51.net.cn

51.gold

51.be

51.org

15.wtf

15.fyi

15.net

15.pl

15.cz

51.su

51.am

15.sk

51.ie

51.cc

51.fr

15.su

51.pl

15.no

51.ca

51.nu

15.is

15.eu

15.hu

51.fyi

15.ai

AI analysis

51.21.100.in-addr.arpa is a parent of 65.51.21.100.in-addr.arpa, 104.51.21.100.in-addr.arpa, 167.51.21.100.in-addr.arpa, 253.51.21.100.in-addr.arpa, 160.51.21.100.in-addr.arpa and a few other host names.

51.21.100.in-addr.arpa's delegation is handled by four name servers: ns1-24-us-west-2.ec2-rdns.amazonaws.com, ns2-24-us-west-2.ec2-rdns.amazonaws.com, ns3-24-us-west-2.ec2-rdns.amazonaws.com and ns4-24-us-west-2.ec2-rdns.amazonaws.com.

51.21.100.in-addr.arpa partially shares name servers with other domains; examples include 35.11.52.in-addr.arpa, 67.33.52.in-addr.arpa, 240.10.52.in-addr.arpa, 66.34.52.in-addr.arpa and 245.214.54.in-addr.arpa.

Host names with one IP:

ns1-24-us-west-2.ec2-rdns.amazonaws.com points to 205.251.197.77

ns2-24-us-west-2.ec2-rdns.amazonaws.com points to 205.251.198.5

ns3-24-us-west-2.ec2-rdns.amazonaws.com points to 205.251.193.225

ns4-24-us-west-2.ec2-rdns.amazonaws.com points to 205.251.194.254

dbq