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AbuseIPDB » 159.100.25.244

159.100.25.244 was found in our database!

This IP was reported 10 times. Confidence of Abuse is 32%: ?

32%

ISP	First Colo GmbH
Usage Type	Data Center/Web Hosting/Transit
ASN	AS203833
Hostname(s)	fdb-mea.com
Domain Name	firstcolo.net
Country	🇦🇹 Austria
City	Vienna, State of Vienna

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

Report 159.100.25.244

Whois 159.100.25.244

IP Abuse Reports for 159.100.25.244:

This IP address has been reported a total of 10 times from 8 distinct sources. 159.100.25.244 was first reported on September 6th 2021, and the most recent report was 1 day ago.

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
🇨🇿 Prcek	2026-07-18 12:09:29 (1 day ago)	SMTPD Errors: Jul 18 14:09:28 gate postfix/smtpd[23238]: NOQUEUE: reject: RCPT from unknown[159.100. ... show more SMTPD Errors: Jul 18 14:09:28 gate postfix/smtpd[23238]: NOQUEUE: reject: RCPT from unknown[159.100.25.244]: 450 4.7.25 Client host rejected: cannot find your hostname, [159.100.25.244]; from=<6824-649-14212-1239-martin.marecek=redacted@redacted> to=<redacted@redacted> proto=ESMTP helo=<fresno.serenaflow.sa.com> show less	Email Spam Brute-Force
🇨🇭 Origon	2026-07-18 12:07:06 (1 day ago)	NOQUEUE - IP: 159.100.25.244 - Jul 18 14:07:06 plesk postfix/smtpd[3690404]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 159.100.25.244 - Jul 18 14:07:06 plesk postfix/smtpd[3690404]: NOQUEUE: reject: RCPT from unknown[159.100.25.244]: 554 5.7.1 Service unavailable; Client host [159.100.25.244] blocked using spam.spamrats.com; SPAMRATS IP Addresses See: http://www.spamrats.com/bl?159.100.25.244; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<fresno.serenaflow.sa.com> show less	Email Spam
🇦🇹 DonPedro	2026-07-14 06:29:13 (5 days ago)	X-Spam-Flag: YES	Email Spam
🇹🇷 agah.balta	2026-07-13 11:35:16 (6 days ago)	PMG Spam Score: 35.0. Hits: KAM_SOMETLD_ARE_BAD_TLD(5), KAM_VERY_BLACK_DBL(5), NORDNS_LOW_CONTRAST(2 ... show more PMG Spam Score: 35.0. Hits: KAM_SOMETLD_ARE_BAD_TLD(5), KAM_VERY_BLACK_DBL(5), NORDNS_LOW_CONTRAST(2.499), RAZOR2_CF_RANGE_51_100(2.43), RAZOR2_CHECK(1.729), RCVD_IN_SBL_CSS(3.558), RDNS_NONE(5), URIBL_ABUSE_SURBL(1.948), URIBL_BLACK(1.7), URIBL_DBL_SPAM(5) show less	Email Spam Hacking
Anonymous	2026-07-13 11:22:38 (6 days ago)	SMTP connection rejected by Postfix. Connecting mail host had no valid reverse DNS (PTR) record. Con ... show more SMTP connection rejected by Postfix. Connecting mail host had no valid reverse DNS (PTR) record. Connection rejected before message acceptance. show less	Email Spam
🇨🇿 Prcek	2026-07-13 11:22:34 (6 days ago)	SMTPD Errors: Jul 13 13:22:34 gate postfix/smtpd[3864410]: NOQUEUE: reject: RCPT from unknown[159.10 ... show more SMTPD Errors: Jul 13 13:22:34 gate postfix/smtpd[3864410]: NOQUEUE: reject: RCPT from unknown[159.100.25.244]: 450 4.7.25 Client host rejected: cannot find your hostname, [159.100.25.244]; from=<6734-649-14212-129-martin.marecek=redacted@redacted> to=<redacted@redacted> proto=ESMTP helo=<york.makeioy.shop> show less	Email Spam Brute-Force
🇨🇭 Origon	2026-07-13 11:17:00 (6 days ago)	NOQUEUE - IP: 159.100.25.244 - Jul 13 13:17:00 plesk postfix/smtpd[1501222]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 159.100.25.244 - Jul 13 13:17:00 plesk postfix/smtpd[1501222]: NOQUEUE: reject: RCPT from unknown[159.100.25.244]: 554 5.7.1 Service unavailable; Client host [159.100.25.244] blocked using spam.spamrats.com; SPAMRATS IP Addresses See: https://www.spamrats.com/bl?159.100.25.244; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<york.makeioy.shop> show less	Email Spam
Anonymous	2023-01-27 10:34:08 (3 years ago)	postfix blocked attempt from fail2ban ...	Brute-Force
🇩🇪 mapik	2022-08-26 10:10:03 (3 years ago)	2022-08-26T16:09:42.083851multi.mapik.cz postfix/smtpd[3160827]: NOQUEUE: reject: RCPT from unknown[ ... show more 2022-08-26T16:09:42.083851multi.mapik.cz postfix/smtpd[3160827]: NOQUEUE: reject: RCPT from unknown[159.100.25.244]: 554 5.7.1 Service unavailable; Client host [159.100.25.244] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<1ff3b5e5.vitalsonus.co> ... show less	Brute-Force
Anonymous	2021-09-06 07:40:59 (4 years ago)		Email Spam

Showing 1 to 10 of 10 reports

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