// public entity intelligence
4.3.2.1
IPListed in 1 public feed
Evidence summary
Researcher feed observations and neutral DNS history are counted separately.
Feed first seen
Not observed
Feed last seen
Not observed
Feed matches
1
Tags
historicalmalware
Sources
Malware signal feed
Public feed matches
4.3.2.1ip
Malware signal feed7/13/2026, 7:43:39 AM
| Indicator | Type | Tag | Source | Last seen |
|---|---|---|---|---|
| 4.3.2.1 | ip | malware, historical | Published 2026-07-13 07:43:39 |
Related hosts and IPs
Public passive DNS relationships connected to this exact indicator.
No passive DNS rows match this value.
Network ownership
BGP origin and registry data from Team Cymru.
Origin ASN
AS3356
BGP prefix
4.0.0.0/9
Registry country
US
LEVEL3 - Level 3 Parent, LLC, US
Registry country is RIR assignment data, not IP geolocation.
Checked 8/20/2026, 10:24:27 AM
Popularity
Daily link and hosting prominence from top1m.org; not a security verdict or traffic estimate.
Not present in the current Top 1M lists.
Private research
Take this investigation further
1 public feed match. Private searches stay out of Latest searches. Each private app search costs 1 CTIDAO.