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2a01:111:f403:dc06::1

Recent Activity IPv6 SLAAC Note

Abuse confidence score ?

20% Elevated

72 reports

9 reporters · latest 2 days ago

ISP	Microsoft Limited
Usage Type	Content Delivery Network
ASN	AS8075
Hostname(s)	mail-japanwestazhn150120001.outbound.protection.outlook.com
Domain Name	microsoft.com
Country	🇯🇵 Japan
City	Osaka, Osaka

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IP Abuse Reports for 2a01:111:f403:dc06::1

This IP address has been reported a total of 72 times from 9 distinct sources. 2a01:111:f403:dc06::1 was first reported on July 2nd 2025, and the most recent report was 2 days ago. In the last 60 days, the top reporter locations were: Finland with 9 reports; Germany with 1 report; United States of America with 1 report. The most common categories in these recent reports were: Brute-Force 9 times; Hacking 1 time; Phishing 1 time; Port Scan 1 time; Email Spam 1 time.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇫🇮 hieronymousch	2026-06-02 11:30:59 (3 months ago)	Jun 2 13:27:08 franssen postfix/smtpd[2673028]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120 ... show more Jun 2 13:27:08 franssen postfix/smtpd[2673028]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> Jun 2 13:27:08 franssen postfix/smtpd[2673131]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> Jun 2 13:27:24 franssen postfix/smtpd[2672130]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-02 11:15:49 (3 months ago)	Jun 2 13:15:01 franssen postfix/smtpd[2672126]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120 ... show more Jun 2 13:15:01 franssen postfix/smtpd[2672126]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> Jun 2 13:15:07 franssen postfix/smtpd[2672978]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> Jun 2 13:15:27 franssen postfix/smtpd[2672124]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-02 10:59:51 (3 months ago)	Jun 2 12:59:36 franssen postfix/smtpd[2672160]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120 ... show more Jun 2 12:59:36 franssen postfix/smtpd[2672160]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> Jun 2 12:59:38 franssen postfix/smtpd[2672124]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> Jun 2 12:59:41 franssen postfix/smtpd[2672169]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-02 10:30:29 (3 months ago)	Jun 2 12:29:46 franssen postfix/smtpd[2671337]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120 ... show more Jun 2 12:29:46 franssen postfix/smtpd[2671337]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> Jun 2 12:29:58 franssen postfix/smtpd[2671336]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> Jun 2 12:29:59 franssen postfix/smtpd[2671338]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇩🇪 filstal.org	2026-05-25 05:08:06 (4 months ago)	CrowdSec-Report: crowdsecurity/postfix-spam	Email Spam Brute-Force
🇩🇪 CK_beats	2026-05-24 06:30:04 (4 months ago)	Blocked by os-abuseipdb on OPNsense firewall KN-FW01; 5 hits, proto=tcp, ports=25	Port Scan Hacking
🇩🇪 filstal.org	2026-05-23 06:32:32 (4 months ago)	CrowdSec-Report: crowdsecurity/postfix-spam	Email Spam Brute-Force
🇩🇪 filstal.org	2026-05-21 05:34:34 (4 months ago)	CrowdSec-Report: crowdsecurity/postfix-spam	Email Spam Brute-Force
🇩🇪 CK_beats	2026-05-21 04:45:03 (4 months ago)	Blocked by os-abuseipdb on OPNsense firewall KN-FW01; 5 hits, proto=tcp, ports=25	Port Scan Hacking
🇩🇪 filstal.org	2026-05-13 11:27:30 (4 months ago)	CrowdSec-Report: crowdsecurity/postfix-spam	Email Spam Brute-Force
🇺🇸 Peter Racine	2026-05-11 16:22:00 (4 months ago)	Phishing email - URL extracted from HTA attachment - https[:]//741675[.]aclas[.]uk:8443//gygy?$potte ... show more Phishing email - URL extracted from HTA attachment - https[:]//741675[.]aclas[.]uk:8443//gygy?$potter show less	Phishing
🇫🇮 hieronymousch	2026-05-01 19:41:11 (4 months ago)	May 1 21:41:07 franssen postfix/smtpd[2898633]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120 ... show more May 1 21:41:07 franssen postfix/smtpd[2898633]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> May 1 21:41:08 franssen postfix/smtpd[2898633]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> May 1 21:41:09 franssen postfix/smtpd[2898179]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-05-01 16:30:34 (4 months ago)	May 1 18:30:28 franssen postfix/smtpd[2891289]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120 ... show more May 1 18:30:28 franssen postfix/smtpd[2891289]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> May 1 18:30:29 franssen postfix/smtpd[2891319]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> May 1 18:30:32 franssen postfix/smtpd[2891283]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-05-01 16:10:04 (4 months ago)	May 1 18:09:57 franssen postfix/smtpd[2890555]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120 ... show more May 1 18:09:57 franssen postfix/smtpd[2890555]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> May 1 18:10:01 franssen postfix/smtpd[2890847]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> May 1 18:10:01 franssen postfix/smtpd[2890845]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-04-24 16:09:46 (5 months ago)	Apr 24 18:09:44 franssen postfix/smtpd[2436096]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120 ... show more Apr 24 18:09:44 franssen postfix/smtpd[2436096]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> Apr 24 18:09:44 franssen postfix/smtpd[2436081]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<OS8PR02CU002.outbound.protection.outlook.com> Apr 24 18:09:45 franssen postfix/smtpd[2436098]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120001.outbound.protection.outlook.com[2a01:111:f403:dc06::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force

Showing 31 to 45 of 72 reports

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