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AbuseIPDB » 52.103.20.16

52.103.20.16 was found in our database!

This IP was reported 22 times. Confidence of Abuse is 15%: ?

15%

ISP	Microsoft Corporation
Usage Type	Data Center/Web Hosting/Transit
ASN	AS8075
Hostname(s)	mail-northcentralusazolkn19010016.outbound.protection.outlook.com
Domain Name	microsoft.com
Country	🇺🇸 United States of America
City	Chicago, Illinois

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

Report 52.103.20.16

Whois 52.103.20.16

IP Abuse Reports for 52.103.20.16:

This IP address has been reported a total of 22 times from 10 distinct sources. 52.103.20.16 was first reported on September 24th 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	2026-05-28 22:00:13 (1 week ago)	Attempted access after blacklisting	Email Spam
🇺🇸 kosada.com	2026-05-14 14:41:54 (3 weeks ago)	Email spam: ; Received: from CH1PR05CU001.outbound.protection.outlook.com (mail-northcentralusazolk ... show more Email spam: ; Received: from CH1PR05CU001.outbound.protection.outlook.com (mail-northcentralusazolkn19010016.outbound.protection.outlook.com [52.103.20.16]) ; From: Kelsey Bailey <[email protected]> ; Subject: Re:- www.kleinpennyrentals.com show less	Email Spam
🇮🇹 gio	2026-04-13 09:28:00 (1 month ago)		Email Spam Phishing
🇮🇹 gio	2026-04-12 07:09:00 (1 month ago)		Email Spam Phishing
Anonymous	2026-03-11 13:35:24 (2 months ago)	Unauthorized connection attempt	Port Scan Hacking Exploited Host
🇧🇷 ICS Labs	2026-02-11 08:04:42 (3 months ago)	ICS Labs identified malicious URL in email communication from IP 52.103.20.16	Phishing Email Spam Spoofing
🇨🇭 Origon	2025-12-10 07:52:18 (5 months ago)	NOQUEUE - IP: 52.103.20.16 - Dec 10 08:52:18 plesk postfix/smtpd[2624591]: NOQUEUE: reject: RCPT fr ... show more NOQUEUE - IP: 52.103.20.16 - Dec 10 08:52:18 plesk postfix/smtpd[2624591]: NOQUEUE: reject: RCPT from mail-northcentralusazolkn19010016.outbound.protection.outlook.com[52.103.20.16]: 450 4.1.8 <IMCEAEX-_O=FIRST+20ORGANIZATION_OU=EXCHANGE+20ADMINISTRATIVE+20GROUP+28FYDIBOHF23SPDLT+29_CN=RECIPIENTS_CN=00037FFF9F6D2BD8@namprd14.prod.outlook.com>: Sender address rejected: Domain not found; from=<IMCEAEX-_O=FIRST+20ORGANIZATION_OU=EXCHANGE+20ADMINISTRATIVE+20GROUP+28FYDIBOHF23SPDLT+29_CN=RECIPIENTS_CN=00037FFF9F6D2BD8@namprd14.prod.outlook.com> to=<REDACTED@REDACTED> proto=ESMTP helo=<CH1PR05CU001.outbound.protection.outlook.com> show less	Email Spam
🇬🇧 openstrike.co.uk	2025-11-28 08:49:48 (6 months ago)	From: sonco doden <[email protected]> Subject: Re: Top Page on Google! - "cpan@[REDACTED].co.u ... show more From: sonco doden <[email protected]> Subject: Re: Top Page on Google! - "cpan@[REDACTED].co.uk" show less	Email Spam
🇦🇷 lzambrana	2025-11-11 11:03:57 (6 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
🇦🇷 lzambrana	2025-10-30 11:44:54 (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
🇦🇷 lzambrana	2025-10-27 10:34:00 (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
🇦🇷 lzambrana	2025-10-19 14:46:11 (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
🇦🇷 lzambrana	2025-10-16 15:12:07 (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
🇦🇷 lzambrana	2025-10-15 00:51:42 (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
🇺🇸 Smee	2025-10-14 16:33:48 (7 months ago)	SPAM Captured via Honeypot from 52.103.20.16 (Country: US, Continent: NA), HELO: CH1PR05CU001.outbou ... show more SPAM Captured via Honeypot from 52.103.20.16 (Country: US, Continent: NA), HELO: CH1PR05CU001.outbound.protection.outlook.com show less	Email Spam

Showing 1 to 15 of 22 reports

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