DNSWHOIS.INFO - 231.169.in-addr.arpa

Search for IP or hostnames:

231.169.in-addr.arpa checked at 2025-09-08T13:25:41.006Z 177ms 53/53/53 100% R:20

`231.169.in-addr.arpa`

NS	`bru-ns2.brown.edu`
		A	128.148.248.12^{🇺🇸 AS11078}
			PTR	`bru-ns2.brown.edu`
NS	`ns1.ucsb.edu`
		A	2607:f378::1 ^{🇺🇸 UCSB-NET-AS}
			PTR	`ns1.ucsb.edu`
		A	128.111.1.1^{🇺🇸 UCSB-NET-AS}
			PTR	`ns1.ucsb.edu`
NS	`ns2.ucsb.edu`
		A	2607:f378::2 ^{🇺🇸 UCSB-NET-AS}
			PTR	`ns2.ucsb.edu`
		A	128.111.1.2^{🇺🇸 UCSB-NET-AS}
			PTR	`ns2.ucsb.edu`

`169.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
`8.231.169.in-addr.arpa`
`4.231.169.in-addr.arpa`
`14.231.169.in-addr.arpa`
`11.231.169.in-addr.arpa`
`3.231.169.in-addr.arpa`
`10.231.169.in-addr.arpa`
`13.231.169.in-addr.arpa`
`7.231.169.in-addr.arpa`
`5.231.169.in-addr.arpa`
`0.231.169.in-addr.arpa`
`9.231.169.in-addr.arpa`

Starts with same word
`231.run`
`231.ru`
`231.io`
`231.nl`
`231.cc`
`231.us`
`231.com`
`231.pl`
`231.la`
`231.me`
`231.ca`
`231.de`
`231.in-addr.arpa`
`231.email`
`231.at`
`231.it`
`231.cz`

Starts similarily
`123.fm`
`321.agency`
`213.at`
`123.com`
`321.hk`
`321.qa`
`132.ru`
`213.ca`
`123.github.io`
`132.fr`
`123.fr`
`123.in-addr.arpa`
`312.eu`
`123.school`
`132.de`
`123.camera`
`123.com.gt`
`123.ru`
`123.se`
`123.financial`
`321.quebec`
`123.my`
`321.tm`
`123.ro`
`231.run`
`123.pet`
`321.rs`
`123.vg`
`123.life`
`213.archi`
`123.com.mx`
`312.pl`
`123.al`
`231.ru`
`123.ir`
`123.irish`
`123.hk`
`213.capital`
`231.io`
`123.ws`
`132.ch`
`123.eu`
`213.ch`
`321.today`
`312.co.uk`
`321.net`
`312.hu`
`123.coupons`
`132.cl`
`213.net.cn`
`132.dk`
`213.ph`
`213.name`
`213.cz`
`321.works`
`123.ne.jp`
`321.it`
`321.repair`
`123.net.nz`
`123.at`
`123.bike`
`321.cool`
`123.co.il`
`123.ch`
`213.sk`
`321.ge`
`321.one`
`123.gs`
`123.uy`
`231.nl`
`312.in`
`123.az`
`231.cc`
`123.com.cn`
`123.io`
`123.farm`
`123.me`
`123.lu`
`123.net`
`132.co`
`123.vc`
`123.today`
`123.adult`
`213.it`
`321.red`
`123.fi`
`321.com.au`
`231.us`
`123.com.ar`
`123.net.au`
`123.com.pk`
`123.am`
`123.clinic`
`321.chat`
`123.com.tw`
`123.movie`
`321.gold`
`123.in.ua`
`123.to`
`123.tel`
`213.ws`
`123.ge`
`123.gifts`
`132.live`
`231.com`
`321.org`
`312.ru`
`123.gmbh`
`321.name`
`312.de`
`312.ninja`
`123.3utilities.com`
`123.ai`
`321.lt`
`123.ua`
`132.ir`
`213.bet`
`123.com.ua`
`123.network`
`321.ir`
`123.sk`
`321.coupons`
`123.ren`
`312.jp`
`321.group`
`213.eu`
`321.kg`
`132.bz`
`123.is`
`312.fr`
`123.vn`
`123.ke`
`123.nl`
`123.ie`
`123.bg`
`231.pl`
`123.tax`
`312.co.kr`
`321.biz`
`312.kg`
`132.one`
`231.la`
`123.chat`
`123.ca`
`132.cz`
`321.blue`
`132.me`
`321.bio`
`213.jp`
`231.me`
`123.pt`
`123.so`
`312.network`
`312.tel`
`321.cz`
`123.lv`
`123.be`
`123.no`
`123.com.vn`
`123.kz`
`123.cc`
`321.lu`
`321.ink`
`231.ca`
`321.jp`
`123.reisen`
`123.pl`
`132.be`
`123.cr`
`321.bike`
`132.la`
`123.gov.bn`
`123.plus`
`123.ma`
`312.myftp.org`
`213.com`
`123.design`
`213.in-addr.arpa`
`213.net`

AI analysis

The parent of host names 8.231.169.in-addr.arpa, 4.231.169.in-addr.arpa, 14.231.169.in-addr.arpa, 11.231.169.in-addr.arpa, 3.231.169.in-addr.arpa, and a few others is 231.169.in-addr.arpa.

Three name servers, bru-ns2.brown.edu, ns1.ucsb.edu, and ns2.ucsb.edu, have been delegated to 231.169.in-addr.arpa.

Name servers of 231.169.in-addr.arpa are at least partially shared with other domains such as math.ucsb.edu, modcult.brown.edu, hr.ucsb.edu, mcm.brown.edu, and 240.111.128.in-addr.arpa.

The name servers bru-ns1.brown.edu, bru-ns3.brown.edu, ns1.engr.ucsb.edu, dc1.grit.ucsb.edu, dc2.grit.ucsb.edu, dns1.lifesci.ucsb.edu, dns2.lifesci.ucsb.edu, dns3.lifesci.ucsb.edu, delorean.physics.ucsb.edu, and omni.physics.ucsb.edu are frequently used in tandem.

bru-ns2.brown.edu, ns1.ucsb.edu, and ns2.ucsb.edu each point to specific IP addresses. bru-ns2.brown.edu points to 128.148.248.12, while ns1.ucsb.edu points to 2607:f378::1 and 128.111.1.1, and ns2.ucsb.edu points to 2607:f378::2 and 128.111.1.2.

dbq