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104.21.47.137

IPNo public feed match17 pDNS relationships

Evidence summary

Researcher feed observations and neutral DNS history are counted separately.

pDNS relationships
17
pDNS first seen
Mar 2026
pDNS last seen
Aug 2026
pDNS observations
19
Public feed matches

No public feed evidence matches this value.

Related hosts and IPs

Public passive DNS relationships connected to this exact indicator.

swiftbyte.de104.21.47.137
Aug 20261 observations
emperorsvigortonic.us104.21.47.137
Jul 20261 observations
margaretliucollins.com104.21.47.137
Jul 20261 observations
www.margaretliucollins.com104.21.47.137
Jul 20261 observations
ondelights.com104.21.47.137
Jul 20261 observations
bast-film.ru104.21.47.137
Apr 20262 observations
platepurely.live104.21.47.137
Apr 20262 observations
securewise.info104.21.47.137
Apr 20261 observations
zellia.cn104.21.47.137
Apr 20261 observations
www.zellia.cn104.21.47.137
Apr 20261 observations
99union.cn104.21.47.137
Apr 20261 observations
valerieserazin.shop104.21.47.137
Apr 20261 observations
oummit.sbs104.21.47.137
Apr 20261 observations
scheffler.digital104.21.47.137
Apr 20261 observations
invaderhq.shop104.21.47.137
Apr 20261 observations
qahs2.shop104.21.47.137
Apr 20261 observations
xsshotel.com104.21.47.137
Mar 20261 observations

Network ownership

BGP origin and registry data from Team Cymru.

Enriched
Origin ASN
AS13335
BGP prefix
104.21.32.0/19
Registry country
US

CLOUDFLARENET - Cloudflare, Inc., US

Registry country is RIR assignment data, not IP geolocation.

Checked 8/6/2026, 1:57:09 PM

Popularity

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

Edition 2026-09-07
ipv4 · 104.21.47.137
#120,593
Private research

Take this investigation further

17 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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104.21.47.137 intelligence · CTIDAO