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2a01:111:f403:dc06::1

Recent Activity IPv6 SLAAC Note

Abuse confidence score ?

20% Elevated

74 reports

9 reporters · latest 13 hours 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 74 times from 9 distinct sources. 2a01:111:f403:dc06::1 was first reported on July 2nd 2025, and the most recent report was 13 hours ago. In the last 60 days, the top reporter locations were: Finland with 11 reports; Germany with 1 report; United States of America with 1 report. The most common categories in these recent reports were: Brute-Force 11 times; Hacking 1 time; Phishing 1 time; Port Scan 1 time; Email Spam 1 time.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇫🇮 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
🇫🇮 hieronymousch	2026-04-23 15:58:27 (5 months ago)	Apr 23 17:58:13 franssen postfix/smtpd[2366415]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120 ... show more Apr 23 17:58:13 franssen postfix/smtpd[2366415]: 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 23 17:58:15 franssen postfix/smtpd[2367355]: 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 23 17:58:23 franssen postfix/smtpd[2366415]: 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	2026-04-23 12:56:52 (5 months ago)	Apr 23 14:56:03 franssen postfix/smtpd[2360937]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120 ... show more Apr 23 14:56:03 franssen postfix/smtpd[2360937]: 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 23 14:56:21 franssen postfix/smtpd[2360979]: 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 23 14:56:22 franssen postfix/smtpd[2360937]: 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	2026-04-23 12:27:40 (5 months ago)	Apr 23 14:25:34 franssen postfix/smtpd[2360039]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120 ... show more Apr 23 14:25:34 franssen postfix/smtpd[2360039]: 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 23 14:25:56 franssen postfix/smtpd[2360029]: 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 23 14:27:10 franssen postfix/smtpd[2360038]: 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	2026-04-23 12:04:28 (5 months ago)	Apr 23 14:02:12 franssen postfix/smtpd[2358828]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120 ... show more Apr 23 14:02:12 franssen postfix/smtpd[2358828]: 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 23 14:03:31 franssen postfix/smtpd[2358654]: 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 23 14:03:56 franssen postfix/smtpd[2358650]: 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	2026-04-23 11:49:06 (5 months ago)	Apr 23 13:48:32 franssen postfix/smtpd[2358651]: NOQUEUE: reject: RCPT from mail-japanwestazhn150120 ... show more Apr 23 13:48:32 franssen postfix/smtpd[2358651]: 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 23 13:48:32 franssen postfix/smtpd[2358654]: 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 23 13:48:51 franssen postfix/smtpd[2358614]: 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	2026-04-19 12:18:33 (5 months ago)	CrowdSec-Report: crowdsecurity/postfix-spam	Email Spam Brute-Force
🇩🇪 filstal.org	2026-03-07 13:04:44 (6 months ago)	CrowdSec-Report: crowdsecurity/postfix-spam	Email Spam Brute-Force
🇩🇪 SCHAPPY	2026-03-07 12:48:55 (6 months ago)	SMTP message was rejected by SPAM filter with very high propability.	Email Spam
🇩🇪 filstal.org	2026-03-05 14:52:44 (6 months ago)	CrowdSec-Report: crowdsecurity/postfix-spam	Email Spam Brute-Force
🇩🇪 filstal.org	2026-03-04 14:17:46 (6 months ago)	CrowdSec-Report: crowdsecurity/postfix-spam	Email Spam Brute-Force
🇩🇪 filstal.org	2026-02-28 13:44:56 (7 months ago)	CrowdSec-Report: crowdsecurity/postfix-spam	Email Spam Brute-Force
🇩🇪 filstal.org	2026-02-26 14:05:04 (7 months ago)	CrowdSec-Report: crowdsecurity/postfix-spam	Email Spam Brute-Force
🇩🇪 filstal.org	2026-02-24 18:11:12 (7 months ago)	CrowdSec-Report: crowdsecurity/postfix-spam	Email Spam Brute-Force

Showing 46 to 60 of 74 reports

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