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104.21.81.54

IPNo public feed match21 pDNS relationships

Evidence summary

Researcher feed observations and neutral DNS history are counted separately.

pDNS relationships
21
pDNS first seen
Mar 2026
pDNS last seen
Aug 2026
pDNS observations
24
Public feed matches

No public feed evidence matches this value.

Related hosts and IPs

Public passive DNS relationships connected to this exact indicator.

k45p.com104.21.81.54
Aug 20261 observations
pgrikabsukoharjo.com104.21.81.54
Aug 20261 observations
roberts-consultants.com104.21.81.54
Aug 20261 observations
xn--3-5wf7cbj0b4d6bd1ood.com104.21.81.54
Aug 20261 observations
vp1.uk104.21.81.54
Aug 20261 observations
dl.vp1.uk104.21.81.54
Aug 20261 observations
electspring.info104.21.81.54
Aug 20261 observations
opensourceceomarketing.com104.21.81.54
Aug 20261 observations
sixceramics.com104.21.81.54
Aug 20261 observations
ululare.top104.21.81.54
Aug 20261 observations
bratislavaguide.net104.21.81.54
Jul 20261 observations
iz-zi-amp-917.ru104.21.81.54
Jul 20261 observations
xn--mvz-mlheim-eeb.de104.21.81.54
Jul 20261 observations
lepgw.cn104.21.81.54
Apr 20262 observations
mplove8321.mpcoin5010.workers.dev104.21.81.54
Apr 20262 observations
oldcoinhome.com104.21.81.54
Apr 20261 observations
cha-spaceqd24.shop104.21.81.54
Apr 20261 observations
meskavilorax.com.de104.21.81.54
Apr 20261 observations
hiuuu.cn104.21.81.54
Apr 20261 observations
krikfit.ru104.21.81.54
Apr 20262 observations
it999.ru104.21.81.54
Mar 20261 observations

Network ownership

BGP origin and registry data from Team Cymru.

Enriched
Origin ASN
AS13335
BGP prefix
104.21.64.0/19
Registry country
US

CLOUDFLARENET - Cloudflare, Inc., US

Registry country is RIR assignment data, not IP geolocation.

Checked 9/5/2026, 12:49:52 AM

Popularity

Daily link and hosting prominence from top1m.org; not a security verdict or traffic estimate.

Edition 2026-09-06
ipv4 · 104.21.81.54
#94,488
Private research

Take this investigation further

21 public pDNS relationships are available. Private research adds exact timing, focused pivots, and matching paid-feed intelligence. Each private app search costs 1 CTIDAO.

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104.21.81.54 intelligence · CTIDAO