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AS28573 Claro NXT Telecomunicacoes Ltda
ASN Ended mediumWhy this campaign was detected
5 IPs from the same network (Claro NXT Telecomunicacoes Ltda, AS28573) were active during overlapping time periods. Temporal correlation across a shared autonomous system suggests infrastructure controlled by the same entity.
Primary ASN
AS28573 · Claro NXT Telecomunicacoes Ltda
Subnet
—
Country
🇧🇷 BR
Cloud Provider
—
Member Count
5 IPs
Below average
Total Events
642
Below average by volume
Started / Ended
2026-02-18 08:38 — 2026-08-10 03:01
Attack Types
MITRE ATT&CK Techniques
Reconnaissance
Initial Access
Discovery
Command and Control
Member Actors
| IP Address | Behavior | Confidence | Flags | Events | Agents | Attack Types | Hostname | Last Seen | |
|---|---|---|---|---|---|---|---|---|---|
| 187.107.88.97 | credential_harvester | 67% | 3171 | 3 | ssh:bruteforce | bb6b5861.virtua.com.br | 2026-06-10 16:43 | evidence → | |
| 181.218.9.86 | credential_harvester | 66% | 900 | 3 | ssh:bruteforce | b5da0956.virtua.com.br | 2026-07-04 02:32 | evidence → | |
| 201.6.100.191 | credential_harvester | 51% | 919 | 2 | ssh:bruteforce | c90664bf.static.spo.virtua.com.br | 2026-04-26 15:35 | evidence → | |
| 177.183.238.229 | credential_harvester | 40% | 264 | 1 | ssh:bruteforce | b1b7eee5.virtua.com.br | 2026-05-14 12:40 | evidence → | |
| 191.181.10.23 | 25% | 114 | 1 | ssh:bruteforce | bfb50a17.virtua.com.br | 2026-02-20 06:21 | evidence → |
VPN Known VPN or proxy provider
DROP ASN on Spamhaus DROP list
Nx OSINT Corroborated by N external threat feeds