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AbuseIPDB » 31.28.27.105

31.28.27.105 was found in our database!

This IP was reported 599 times. Confidence of Abuse is 22%: ?

22%

ISP	Citytelecom LLC
Usage Type	Fixed Line ISP
ASN	AS12616
Hostname(s)	mail.gerspar.hair
Domain Name	citytelecom.ru
Country	🇷🇺 Russian Federation
City	Moscow, Moscow

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

Report 31.28.27.105

Whois 31.28.27.105

IP Abuse Reports for 31.28.27.105:

This IP address has been reported a total of 599 times from 40 distinct sources. 31.28.27.105 was first reported on November 3rd 2022, and the most recent report was 4 days 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
Anonymous	2026-06-18 20:51:05 (4 days ago)	2026-06-18T22:18:47.058320+02:00 postfix/smtpd[2935978]: NOQUEUE: reject: RCPT from mail.gerspar.ha ... show more 2026-06-18T22:18:47.058320+02:00 postfix/smtpd[2935978]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> show less	Email Spam
🇩🇪 abused_ip@cvkneb	2026-06-18 07:46:50 (5 days ago)	IP banned by Fail2ban jail 'postfix-spammanual' due to spam policy violation	Brute-Force
🇩🇪 abused_ip@cvkneb	2026-06-17 03:12:09 (6 days ago)	IP banned by Fail2ban jail 'postfix-spammanual' due to spam policy violation	Brute-Force
🇩🇪 abused_ip@cvkneb	2026-06-15 23:58:00 (1 week ago)	IP banned by Fail2ban jail 'postfix-spammanual' due to spam policy violation	Brute-Force
🇩🇪 abused_ip@cvkneb	2026-06-14 20:33:20 (1 week ago)	IP banned by Fail2ban jail 'postfix-spammanual' due to spam policy violation	Brute-Force
Anonymous	2026-06-14 15:54:49 (1 week ago)	2026-06-14T17:35:58.012640+02:00 postfix/smtpd[239305]: NOQUEUE: reject: RCPT from mail.gerspar.hai ... show more 2026-06-14T17:35:58.012640+02:00 postfix/smtpd[239305]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> show less	Email Spam
🇩🇪 abused_ip@cvkneb	2026-06-12 03:14:41 (1 week ago)	IP banned by Fail2ban jail 'postfix-spammanual' due to spam policy violation	Brute-Force
🇩🇪 abused_ip@cvkneb	2026-06-10 18:12:10 (1 week ago)	IP banned by Fail2ban jail 'postfix-spammanual' due to spam policy violation	Brute-Force
Anonymous	2026-06-10 13:48:49 (1 week ago)	2026-06-10T15:23:27.963648+02:00 postfix/smtpd[840021]: NOQUEUE: reject: RCPT from mail.gerspar.hai ... show more 2026-06-10T15:23:27.963648+02:00 postfix/smtpd[840021]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-06-10T15:34:13.765755+02:00 postfix/smtpd[844962]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-06-10T15:48:45.992693+02:00 postfix/smtpd[849547]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> show less	Email Spam
Anonymous	2026-06-08 19:10:59 (2 weeks ago)	2026-06-08T20:55:20.999102+02:00 postfix/smtpd[2989103]: NOQUEUE: reject: RCPT from mail.gerspar.ha ... show more 2026-06-08T20:55:20.999102+02:00 postfix/smtpd[2989103]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-06-08T21:04:44.765522+02:00 postfix/smtpd[2993490]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-06-08T21:10:56.434881+02:00 postfix/smtpd[2999328]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> show less	Email Spam
Anonymous	2026-06-04 13:29:16 (2 weeks ago)	2026-06-04T15:09:05.421899+02:00 postfix/smtpd[424108]: NOQUEUE: reject: RCPT from mail.gerspar.hai ... show more 2026-06-04T15:09:05.421899+02:00 postfix/smtpd[424108]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-06-04T15:17:21.985704+02:00 postfix/smtpd[428194]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-06-04T15:29:14.553964+02:00 postfix/smtpd[432363]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> show less	Email Spam
Anonymous	2026-06-02 15:16:44 (2 weeks ago)	2026-06-02T16:46:27.492641+02:00 postfix/smtpd[2421476]: NOQUEUE: reject: RCPT from mail.gerspar.ha ... show more 2026-06-02T16:46:27.492641+02:00 postfix/smtpd[2421476]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-06-02T16:50:38.480989+02:00 postfix/smtpd[2421918]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-06-02T17:16:41.805275+02:00 postfix/smtpd[2434352]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> show less	Email Spam
Anonymous	2026-06-01 17:10:37 (3 weeks ago)	2026-06-01T18:44:04.603516+02:00 postfix/smtpd[1746330]: NOQUEUE: reject: RCPT from mail.gerspar.ha ... show more 2026-06-01T18:44:04.603516+02:00 postfix/smtpd[1746330]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-06-01T19:05:40.405804+02:00 postfix/smtpd[1755928]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-06-01T19:10:34.830245+02:00 postfix/smtpd[1757245]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> show less	Email Spam
Anonymous	2026-05-26 14:48:49 (3 weeks ago)	2026-05-26T16:34:32.083354+02:00 postfix/smtpd[2106824]: NOQUEUE: reject: RCPT from mail.gerspar.ha ... show more 2026-05-26T16:34:32.083354+02:00 postfix/smtpd[2106824]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-05-26T16:48:31.031074+02:00 postfix/smtpd[2111126]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-05-26T16:48:46.727189+02:00 postfix/smtpd[2111126]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> show less	Email Spam
Anonymous	2026-05-24 18:09:04 (4 weeks ago)	2026-05-24T19:36:42.926730+02:00 postfix/smtpd[887889]: NOQUEUE: reject: RCPT from mail.gerspar.hai ... show more 2026-05-24T19:36:42.926730+02:00 postfix/smtpd[887889]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-05-24T19:50:34.672959+02:00 postfix/smtpd[892660]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> 2026-05-24T20:09:00.983709+02:00 postfix/smtpd[900768]: NOQUEUE: reject: RCPT from mail.gerspar.hair[31.28.27.105]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; proto=ESMTP helo=<mail.gerspar.hair> show less	Email Spam

Showing 1 to 15 of 599 reports

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