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AbuseIPDB » 52.103.14.63

52.103.14.63 was found in our database!

This IP was reported 29 times. Confidence of Abuse is 15%: ?

15%

ISP	Microsoft Corporation
Usage Type	Data Center/Web Hosting/Transit
ASN	AS8075
Hostname(s)	mail-southcentralusazolkn19011063.outbound.protection.outlook.com
Domain Name	microsoft.com
Country	🇺🇸 United States of America
City	San Antonio, Texas

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

Report 52.103.14.63

Whois 52.103.14.63

IP Abuse Reports for 52.103.14.63:

This IP address has been reported a total of 29 times from 11 distinct sources. 52.103.14.63 was first reported on September 30th 2025, and the most recent report was 1 week ago.

Old Reports: The most recent abuse report for this IP address is from 1 week ago . It is possible that this IP is no longer involved in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇺🇸 DiodeDave	2026-06-02 14:07:27 (1 week ago)	Attempted access after blacklisting	Email Spam
🇷🇸 Smel	2026-05-13 08:19:05 (1 month ago)	Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -	Email Spam Hacking Brute-Force
🇨🇭 Origon	2026-05-01 08:17:52 (1 month ago)	NOQUEUE - IP: 52.103.14.63 - May 1 10:17:52 plesk postfix/smtpd[2289839]: NOQUEUE: reject: RCPT fro ... show more NOQUEUE - IP: 52.103.14.63 - May 1 10:17:52 plesk postfix/smtpd[2289839]: NOQUEUE: reject: RCPT from mail-southcentralusazolkn19011063.outbound.protection.outlook.com[52.103.14.63]: 554 5.7.1 Service unavailable; Client host [52.103.14.63] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?52.103.14.63; from=<[email protected]> to=<REDACTED@REDACTED> proto=ESMTP helo=<SN4PR0501CU005.outbound.protection.outlook.com> show less	Email Spam
🇨🇭 Origon	2026-04-17 06:36:55 (1 month ago)	NOQUEUE - IP: 52.103.14.63 - Apr 17 08:36:55 plesk postfix/smtpd[1320698]: NOQUEUE: reject: RCPT fr ... show more NOQUEUE - IP: 52.103.14.63 - Apr 17 08:36:55 plesk postfix/smtpd[1320698]: NOQUEUE: reject: RCPT from mail-southcentralusazolkn19011063.outbound.protection.outlook.com[52.103.14.63]: 554 5.7.1 Service unavailable; Client host [52.103.14.63] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?52.103.14.63; from=<[email protected]> to=<REDACTED@REDACTED> proto=ESMTP helo=<SN4PR0501CU005.outbound.protection.outlook.com> show less	Email Spam
Anonymous	2026-03-17 17:13:00 (2 months ago)		Email Spam Phishing
Anonymous	2026-03-11 20:18:02 (3 months ago)	Unauthorized connection attempt	Port Scan Hacking Exploited Host
🇨🇭 Origon	2026-02-15 14:16:37 (3 months ago)	NOQUEUE - IP: 52.103.14.63 - Feb 15 15:16:37 plesk postfix/smtpd[1688160]: NOQUEUE: reject: RCPT fr ... show more NOQUEUE - IP: 52.103.14.63 - Feb 15 15:16:37 plesk postfix/smtpd[1688160]: NOQUEUE: reject: RCPT from mail-southcentralusazolkn19011063.outbound.protection.outlook.com[52.103.14.63]: 554 5.7.1 Service unavailable; Client host [52.103.14.63] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?52.103.14.63; from=<[email protected]> to=<REDACTED@REDACTED> proto=ESMTP helo=<SN4PR0501CU005.outbound.protection.outlook.com> show less	Email Spam
🇺🇸 xmission.com	2026-02-10 18:09:42 (4 months ago)	Sourced 1 spam messages over 3x XMissions threshold. Highest score: 25.0. Latest msgid suffix: ...-0 ... show more Sourced 1 spam messages over 3x XMissions threshold. Highest score: 25.0. Latest msgid suffix: ...-00Aqoh-11 show less	Email Spam
🇨🇭 Origon	2026-02-06 12:42:53 (4 months ago)	NOQUEUE - IP: 52.103.14.63 - Feb 6 13:42:52 plesk postfix/smtpd[2599692]: NOQUEUE: reject: RCPT fro ... show more NOQUEUE - IP: 52.103.14.63 - Feb 6 13:42:52 plesk postfix/smtpd[2599692]: NOQUEUE: reject: RCPT from mail-southcentralusazolkn19011063.outbound.protection.outlook.com[52.103.14.63]: 554 5.7.1 Service unavailable; Client host [52.103.14.63] blocked using psbl.surriel.com; Listed in PSBL, see http://psbl.org/listing?ip=52.103.14.63; from=<[email protected]> to=<REDACTED@REDACTED> proto=ESMTP helo=<SN4PR0501CU005.outbound.protection.outlook.com> show less	Email Spam
🇺🇸 Sox	2026-02-02 14:59:00 (4 months ago)	SPAM COP From: Vision Health- Eye Care Research --------- <[email protected]> from S ... show more SPAM COP From: Vision Health- Eye Care Research --------- <[email protected]> from SN4PR0501CU005.outbound.protection.outlook.com ([52.103.14.63]) by cmsmtp with ESMTP id msvQvXhcZdOD4msvRvIksS from IA3PR17MB7790.namprd17.prod.outlook.com (2603:10b6:208:543::21) by SA0PR17MB4267.namprd17.prod.outlook.com (2603:10b6:806:e7::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9564.16 show less	Phishing Email Spam Port Scan Hacking Spoofing Brute-Force
🇨🇭 Origon	2025-12-06 12:29:44 (6 months ago)	NOQUEUE - IP: 52.103.14.63 - Dec 6 13:29:44 plesk postfix/smtpd[4117202]: NOQUEUE: reject: RCPT fro ... show more NOQUEUE - IP: 52.103.14.63 - Dec 6 13:29:44 plesk postfix/smtpd[4117202]: NOQUEUE: reject: RCPT from mail-southcentralusazolkn19011063.outbound.protection.outlook.com[52.103.14.63]: 554 5.7.1 Service unavailable; Client host [52.103.14.63] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?52.103.14.63; from=<[email protected]> to=<REDACTED@REDACTED> proto=ESMTP helo=<SN4PR0501CU005.outbound.protection.outlook.com> show less	Email Spam
Anonymous	2025-12-02 07:38:00 (6 months ago)	E-mail spam at 2025-12-02 07:38 from [email protected] with score 11	Email Spam
🇦🇷 lzambrana	2025-11-11 11:04:09 (7 months ago)	Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. B ... show more Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. Block attempts: 2. show less	FTP Brute-Force Brute-Force
🇩🇰 k due	2025-11-07 06:31:00 (7 months ago)	Spam	Email Spam
🇦🇷 lzambrana	2025-10-30 11:49:57 (7 months ago)	Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. B ... show more Spoofing attempts and mass spam have been detected. Blocked by ASSP anti-spam. Reason: DenyStrict. Block attempts: 1. show less	FTP Brute-Force Brute-Force

Showing 1 to 15 of 29 reports

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