CF1763649886287-tsm20251116095642

DNSWHOIS.INFO - 21.153.12.in-addr.arpa

Search for IP or hostnames:

21.153.12.in-addr.arpa checked at 2025-11-20T14:44:46.268Z 168ms 50/50/50 100% R:13 allDone:true timedOut:false

21.153.12.in-addr.arpa

NScbru.br.ns.els-gms.att.net
A2001:1890:1ff:9f0:68:94:156:132 🇺🇸 AS7018
PTRcbru.br.ns.els-gms.att.net
A68.94.156.132🇺🇸 AS7018
PTRcbru.br.ns.els-gms.att.net
NScmtu.mt.ns.els-gms.att.net
A2001:1890:1ff:9f1:99:99:99:132 🇺🇸 AS7018
PTRcmtu.mt.ns.els-gms.att.net
A99.99.99.132🇺🇸 AS7018
PTRcmtu.mt.ns.els-gms.att.net

153.12.in-addr.arpa

NScbru.br.ns.els-gms.att.net
NSdbru.br.ns.els-gms.att.net
NScmtu.mt.ns.els-gms.att.net
NSdmtu.mt.ns.els-gms.att.net

Up

Starts with same word

Starts similarily

AI analysis

21.153.12.in-addr.arpa is a parent of 18.21.153.12.in-addr.arpa, 28.21.153.12.in-addr.arpa, 19.21.153.12.in-addr.arpa and 26.21.153.12.in-addr.arpa.

Two name servers cbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.net handle the delegation for 21.153.12.in-addr.arpa.

21.153.12.in-addr.arpa shares the same name server setup as other domains, for example digindytunnel.com, mincron.com, swineford.com, 76.189.132.in-addr.arpa and 181.189.208.in-addr.arpa.

21.153.12.in-addr.arpa at least partially shares name servers with other domains, for example singulair.com.pe, organon.jp, 47.184.209.in-addr.arpa, zocor.com.au and talbotsclothes.com.

These name servers are often used with the following name servers: ns9.customer.level3.net, ns6.customer.level3.net, dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net, nsa.ups.com, nsb.ups.com, auth1.dns.cogentco.com and auth2.dns.cogentco.com.

Host names with two IP numbers:

cbru.br.ns.els-gms.att.net points to 2001:1890:1ff:9f0:68:94:156:132 and 68.94.156.132.

cmtu.mt.ns.els-gms.att.net points to 2001:1890:1ff:9f1:99:99:99:132 and 99.99.99.132.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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