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5.255.121.149

Recent Activity

Abuse Confidence Score

4% Caution

1 report

1 reporter · latest 59 minutes ago

ISP: The Infrastructure Group B.V.
Usage Type: Data Center/Web Hosting/Transit
ASN: AS60404
Domain Name: theinfrastructure.group
Country: 🇳🇱 Netherlands
City: Lelystad, Flevoland

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Abuse Reports

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Total reports

1 from 1 distinct reporter

Most recent report

59 minutes ago

Last 60 days

Top reporter locations 🇨🇿 Czechia 1

Most common categories Brute-Force 1 Exploited Host 1

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.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇨🇿 unhfree.net	2026-11-14 15:33:37 UTC · (59 minutes ago)	Nov 14 09:09:16 canopus postfix/smtpd[84035]: improper command pipelining after CONNECT from unknown[5.255.121.149]: \026\003\001\0016\001\000\0012\003\003\264,sH\340\200\234\200\335J\251\321+\315\373\251\335i\242\177\006\332\026\032\254[S\376\262\02 ... show more Nov 14 09:09:16 canopus postfix/smtpd[84035]: improper command pipelining after CONNECT from unknown[5.255.121.149]: \026\003\001\0016\001\000\0012\003\003\264,sH\340\200\234\200\335J\251\321+\315\373\251\335i\242\177\006\332\026\032\254[S\376\262\026I\265\000\000\264\3000\300,\300(\300$\300\024\300\n\000\245\000\243\000\241\000\237\000k\000j\000i\000h\0009\0008\0007\0006\000\210\000\207\000\206\000\205\300\031\3002\300.\300\300& Nov 14 10:42:54 canopus postfix/smtpd[89610]: improper command pipelining after CONNECT from unknown[5.255.121.149]: \026\003\001\0016\001\000\0012\003\003_Z:\377\245\036\310y\237j\374\312z\377y\226\370#\224\266\n\351^)\206\310CQ.Z:l\000\000\264\3000\300,\300(\300$\300\024\300\n\000\245\000\243\000\241\000\237\000k\000j\000i\000h\0009\0008\0007\0006\000\210\000\207\000\206\000\205\300\031\3002\300.\300\300& Nov 14 16:33:34 canopus postfix/smtpd[108436]: NOQUEUE: reject: RCPT from unknown[5.255.121.149]: 554 5.7.1 <[email protected]>: Recipient address rej ... show less	Brute-Force Exploited Host

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