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AbuseIPDB » 52.102.194.16

52.102.194.16 was found in our database!

This IP was reported 35 times. Confidence of Abuse is 4%: ?

ISP	Microsoft Corporation
Usage Type	Data Center/Web Hosting/Transit
ASN	AS8075
Hostname(s)	mail-japanwestazhn15010016.outbound.protection.outlook.com
Domain Name	microsoft.com
Country	🇯🇵 Japan
City	Osaka, Osaka

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

Report 52.102.194.16

Whois 52.102.194.16

IP Abuse Reports for 52.102.194.16:

This IP address has been reported a total of 35 times from 3 distinct sources. 52.102.194.16 was first reported on September 21st 2025, and the most recent report was 18 hours 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
🇫🇮 hieronymousch	2026-06-11 13:43:16 (18 hours ago)	Jun 11 15:40:54 franssen postfix/smtpd[172118]: NOQUEUE: reject: RCPT from mail-japanwestazhn1501001 ... show more Jun 11 15:40:54 franssen postfix/smtpd[172118]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS0P286CU011.outbound.protection.outlook.com> Jun 11 15:41:26 franssen postfix/smtpd[171528]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS0P286CU011.outbound.protection.outlook.com> Jun 11 15:41:59 franssen postfix/smtpd[172082]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=< ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-05 11:54:37 (6 days ago)	Jun 5 13:52:49 franssen postfix/smtpd[3117299]: NOQUEUE: reject: RCPT from mail-japanwestazhn150100 ... show more Jun 5 13:52:49 franssen postfix/smtpd[3117299]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS0P286CU011.outbound.protection.outlook.com> Jun 5 13:54:14 franssen postfix/smtpd[3115186]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS0P286CU011.outbound.protection.outlook.com> Jun 5 13:54:19 franssen postfix/smtpd[3117052]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; fro ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-05 11:37:08 (6 days ago)	Jun 5 13:32:14 franssen postfix/smtpd[3117052]: NOQUEUE: reject: RCPT from mail-japanwestazhn150100 ... show more Jun 5 13:32:14 franssen postfix/smtpd[3117052]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS0P286CU011.outbound.protection.outlook.com> Jun 5 13:32:55 franssen postfix/smtpd[3117299]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS0P286CU011.outbound.protection.outlook.com> Jun 5 13:35:54 franssen postfix/smtpd[3117299]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; fro ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-05 11:16:06 (6 days ago)	Jun 5 13:15:26 franssen postfix/smtpd[3115208]: NOQUEUE: reject: RCPT from mail-japanwestazhn150100 ... show more Jun 5 13:15:26 franssen postfix/smtpd[3115208]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS0P286CU011.outbound.protection.outlook.com> Jun 5 13:15:27 franssen postfix/smtpd[3115186]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS0P286CU011.outbound.protection.outlook.com> Jun 5 13:15:45 franssen postfix/smtpd[3115210]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; fro ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-04 17:05:54 (1 week ago)	Jun 4 19:00:49 franssen postfix/smtpd[2950567]: NOQUEUE: reject: RCPT from mail-japanwestazhn150100 ... show more Jun 4 19:00:49 franssen postfix/smtpd[2950567]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS0P286CU011.outbound.protection.outlook.com> Jun 4 19:04:27 franssen postfix/smtpd[2950305]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS0P286CU011.outbound.protection.outlook.com> Jun 4 19:04:57 franssen postfix/smtpd[2950305]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; fro ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-03 14:34:26 (1 week ago)	Jun 3 16:29:39 franssen postfix/smtpd[2749030]: NOQUEUE: reject: RCPT from mail-japanwestazhn150100 ... show more Jun 3 16:29:39 franssen postfix/smtpd[2749030]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS0P286CU011.outbound.protection.outlook.com> Jun 3 16:30:58 franssen postfix/smtpd[2749135]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS0P286CU011.outbound.protection.outlook.com> Jun 3 16:31:22 franssen postfix/smtpd[2749030]: NOQUEUE: reject: RCPT from mail-japanwestazhn15010016.outbound.protection.outlook.com[52.102.194.16]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; fro ... show less	Brute-Force
🇺🇸 NN AA	2026-03-03 14:01:30 (3 months ago)	Report generated by Spamjam: Phishing URL found in UCE spam. File: Fwd_ (1) Unread Message_ Failed t ... show more Report generated by Spamjam: Phishing URL found in UCE spam. File: Fwd_ (1) Unread Message_ Failed to save ⛔ Not enough space .eml show less	Fraud Orders Phishing Email Spam Hacking Spoofing Bad Web Bot Exploited Host
Anonymous	2026-01-25 22:27:26 (4 months ago)	SMTP scanner - relay access denied	Brute-Force Exploited Host
Anonymous	2026-01-23 00:35:51 (4 months ago)	SMTP scanner - relay access denied	Brute-Force Exploited Host
Anonymous	2026-01-19 22:49:30 (4 months ago)	SMTP scanner - relay access denied	Brute-Force Exploited Host
Anonymous	2026-01-18 13:39:49 (4 months ago)	SMTP scanner - relay access denied	Brute-Force Exploited Host
Anonymous	2026-01-16 11:35:07 (4 months ago)	SMTP scanner - relay access denied	Brute-Force Exploited Host
Anonymous	2026-01-14 11:59:27 (4 months ago)	SMTP scanner - relay access denied	Brute-Force Exploited Host
Anonymous	2026-01-11 00:20:29 (5 months ago)	SMTP scanner - relay access denied	Brute-Force Exploited Host
Anonymous	2026-01-09 19:45:56 (5 months ago)	SMTP scanner - relay access denied	Brute-Force Exploited Host

Showing 1 to 15 of 35 reports

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