DNSWHOIS.INFO - 51.16.in-addr.arpa

Search for IP or hostnames:

51.16.in-addr.arpa checked at 2025-09-07T01:10:55.573Z 100ms 48/48/48 100% R:11

`51.16.in-addr.arpa`

NS	`ns1-16-ap-southeast-4.ec2-rdns.amazonaws.com`
		A	205.251.197.174^{🇺🇸 Amazon}
			PTR	`ns-1454.awsdns-53.org`
NS	`ns2-16-ap-southeast-4.ec2-rdns.amazonaws.com`
		A	205.251.199.162^{🇺🇸 Amazon}
			PTR	`ns-1954.awsdns-52.co.uk`
NS	`ns3-16-ap-southeast-4.ec2-rdns.amazonaws.com`
		A	205.251.193.162^{🇺🇸 Amazon}
			PTR	`ns-418.awsdns-52.com`
NS	`ns4-16-ap-southeast-4.ec2-rdns.amazonaws.com`
		A	205.251.194.123^{🇺🇸 Amazon}
			PTR	`ns-635.awsdns-15.net`

`16.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
`46.51.16.in-addr.arpa`
`118.51.16.in-addr.arpa`
`94.51.16.in-addr.arpa`
`15.51.16.in-addr.arpa`
`82.51.16.in-addr.arpa`
`172.51.16.in-addr.arpa`
`123.51.16.in-addr.arpa`
`168.51.16.in-addr.arpa`
`77.51.16.in-addr.arpa`
`34.51.16.in-addr.arpa`
`104.51.16.in-addr.arpa`
`222.51.16.in-addr.arpa`
`124.51.16.in-addr.arpa`
`98.51.16.in-addr.arpa`
`48.51.16.in-addr.arpa`
`117.51.16.in-addr.arpa`
`193.51.16.in-addr.arpa`
`232.51.16.in-addr.arpa`
`92.51.16.in-addr.arpa`
`4.51.16.in-addr.arpa`
`209.51.16.in-addr.arpa`

Starts with same word
`51.gold`
`51.be`
`51.org`
`51.su`
`51.am`
`51.ie`
`51.co`
`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`
`51.biz`
`51.no`
`51.vg`
`51.tv`
`51.net.cn`

Starts similarily
`15.business`
`15.org.ua`
`51.al`
`51.com.ua`
`15.football`
`15.be`
`51.lv`
`15.fi`
`15.tt`
`51.net`
`51.la`
`15.com`
`51.in-addr.arpa`
`15.org`
`51.fi`
`51.school`
`51.bet`
`15.chat`
`15.la`
`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`
`51.com.tw`
`51.de`
`15.ro`
`15.hk`
`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.cz`
`51.su`
`51.am`
`15.sk`
`51.ie`
`51.co`
`51.cc`
`51.fr`
`15.su`
`51.pl`
`15.no`
`51.ca`
`51.nu`
`15.is`
`15.eu`
`15.by`
`51.fyi`
`15.ai`

AI analysis

The parent of host names 46.51.16.in-addr.arpa, 118.51.16.in-addr.arpa, 94.51.16.in-addr.arpa, 15.51.16.in-addr.arpa, 82.51.16.in-addr.arpa, among others, is 51.16.in-addr.arpa.

The four name servers to which 51.16.in-addr.arpa is delegated are ns1-16-ap-southeast-4.ec2-rdns.amazonaws.com, ns2-16-ap-southeast-4.ec2-rdns.amazonaws.com, ns3-16-ap-southeast-4.ec2-rdns.amazonaws.com, and ns4-16-ap-southeast-4.ec2-rdns.amazonaws.com.

Other domains, such as 50.16.in-addr.arpa and 26.16.in-addr.arpa, at least partially share name servers with 51.16.in-addr.arpa.

ns1-16-ap-southeast-4.ec2-rdns.amazonaws.com, ns2-16-ap-southeast-4.ec2-rdns.amazonaws.com, ns3-16-ap-southeast-4.ec2-rdns.amazonaws.com, and ns4-16-ap-southeast-4.ec2-rdns.amazonaws.com all point to respective IP numbers: 205.251.197.174, 205.251.199.162, 205.251.193.162, and 205.251.194.123.

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