123.20.21.35

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
100% Critical
52 reports
35 reporters · latest 11 hours ago
ISP
Vietnam Posts and Telecommunications Group
Usage Type
Fixed Line ISP
ASN
AS45899
Domain Name
vnpt.com.vn
Country
🇻🇳 Viet Nam
City
Ho Chi Minh City, Ho Chi Minh City (HCMC)

ISP, Usage Type, and Location provided by IPInfo. Updated weekly.

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Abuse Reports

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Total reports
52 from 35 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇩🇪 Germany 12 🇺🇸 United States of America 10 🇦🇺 Australia 3
Most common categories Brute-Force 33 Email Spam 11 Port Scan 11 Hacking 7 Exploited Host 4
Recent reports We have received reports of abusive activity from this IP address within the last week. It is potentially still actively engaged in abusive activities.
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Reporter IoA Timestamp (UTC) Comment Categories
Anonymous
Repeated inbound connection attempts blocked by firewall. Observed at least twice within 24 hours.
Hacking
🇺🇸 mnogoweb
Port Scan
Anonymous
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Brute-Force
🇫🇮 danskefilm.dk
SMTP login brute-force attempt.
Brute-Force
Anonymous
Authentication failure
Brute-Force
🇩🇪 LRob
SMTP AUTH probe | 2026-11-08 06:01 UTC
Port Scan
🇹🇭 thaizone.com
Password guessing attack (SM11) #1
Email Spam Brute-Force
🇷🇸 Smel
Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -
Email Spam Hacking Brute-Force
🇹🇷 ferique
Real-time Intercept: SMTP attack. Reference: 2026-11-07 19:03:33.1782 Login failure: 123.20.21.35 SMTP
Brute-Force Email Spam
🇺🇸 mnogoweb
Port Scan
🇺🇸 mnogoweb
Port Scan
Anonymous
Authentication failure
Brute-Force
🇩🇪 satelliteproxy
DPI (Deep Packet Inspection) identified this source as an abusive automated web bot.
Bad Web Bot
Anonymous
SMTP brute force - auth failed
Brute-Force Exploited Host
🇵🇱 MatStef132
MatShield L7: blocked on a protected site (sec-ch-ua-grease-mismatch)
DDoS Attack

Showing 1 to 15 of 52 reports

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