This IP address has been reported a total of
114
times from
54 distinct
sources.
103.39.51.156 was first reported on
, and the most recent report was
.
Old Reports:
The most recent abuse report for this IP address is from
. It is possible that this IP is no longer involved in abusive activities.
(postfix-unknown) Failed postfix unknown login with username [redacted] from 103.39.51.156 (ID/Indon ...
show more(postfix-unknown) Failed postfix unknown login with username [redacted] from 103.39.51.156 (ID/Indonesia/ip-103-39-51-156.mentari.net.id)
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103.39.51.156 (ID/Indonesia/ip-103-39-51-156.mentari.net.id), 2 distributed smtpauth attacks on acco ...
show more103.39.51.156 (ID/Indonesia/ip-103-39-51-156.mentari.net.id), 2 distributed smtpauth attacks on account [enache.maria] in the last 900 secs
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ICMP + GRE & TCP portscan on multiple ports :
Firewall: Within 2026-03-25 02:25:57 - 2026-03-25 12:4 ...
show moreICMP + GRE & TCP portscan on multiple ports :
Firewall: Within 2026-03-25 02:25:57 - 2026-03-25 12:45:24 CET(+0100) identified:
Fail2ban: Within 2026-03-25 02:25:57 - 2026-03-25 12:45:24 CET(+0100) banned: 3 times by fail2ban[firewall]
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Blocked by UFW (47 on )
Source port:
TTL: 52
Packet length: 578
TOS: 0x00
This report (for 103.39. ...
show moreBlocked by UFW (47 on )
Source port:
TTL: 52
Packet length: 578
TOS: 0x00
This report (for 103.39.51.156) was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
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Automated report: This IP address has been identified as an active public open proxy.
Classification ...
show moreAutomated report: This IP address has been identified as an active public open proxy.
Classification: Open Proxy | Spoofing | VPN/Anonymizer | Bad Web Bot.
Country: Indonesia
Threat level: High. This host is listed across multiple public proxy databases and poses a risk of abuse, credential stuffing, scraping, and spoofed traffic.
Reported by automated threat intelligence pipeline. Do not whitelist without manual verification.
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