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AbuseIPDB » 2a01:111:f403:dc05::1

2a01:111:f403:dc05::1 was found in our database!

This IP was reported 9 times. Confidence of Abuse is 3%: ?

Important Note: Public IPv6 addresses may implement the SLAAC privacy extension. With this, the interface identifier is randomly generated. The SLAAC privacy extension also implements a time out, which is configurable, so that the IPv6 interface addresses will be discarded and a new interface identifier is generated.

ISP	Microsoft Limited
Usage Type	Data Center/Web Hosting/Transit
ASN	AS8075
Hostname(s)	mail-japaneastazhn150110001.outbound.protection.outlook.com
Domain Name	microsoft.com
Country	🇯🇵 Japan
City	Tokyo, Tokyo

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

Report 2a01:111:f403:dc05::1

Whois 2a01:111:f403:dc05::1

IP Abuse Reports for 2a01:111:f403:dc05::1:

This IP address has been reported a total of 9 times from 2 distinct sources. 2a01:111:f403:dc05::1 was first reported on December 14th 2025, and the most recent report was 2 days 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	2026-06-04 16:53:16 (2 days ago)	Jun 4 18:51:12 franssen postfix/smtpd[2949940]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110 ... show more Jun 4 18:51:12 franssen postfix/smtpd[2949940]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Jun 4 18:52:13 franssen postfix/smtpd[2950305]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Jun 4 18:52:13 franssen postfix/smtpd[2950568]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-04 11:14:19 (3 days ago)	Jun 4 13:13:38 franssen postfix/smtpd[2907188]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110 ... show more Jun 4 13:13:38 franssen postfix/smtpd[2907188]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Jun 4 13:13:50 franssen postfix/smtpd[2907208]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Jun 4 13:14:11 franssen postfix/smtpd[2907188]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-03 14:25:56 (4 days ago)	Jun 3 16:24:49 franssen postfix/smtpd[2749085]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110 ... show more Jun 3 16:24:49 franssen postfix/smtpd[2749085]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Jun 3 16:24:50 franssen postfix/smtpd[2749089]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Jun 3 16:24:58 franssen postfix/smtpd[2749017]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-03 10:01:33 (4 days ago)	Jun 3 12:00:26 franssen postfix/smtpd[2730251]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110 ... show more Jun 3 12:00:26 franssen postfix/smtpd[2730251]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Jun 3 12:00:37 franssen postfix/smtpd[2736846]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Jun 3 12:01:05 franssen postfix/smtpd[2730185]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-02 11:02:43 (5 days ago)	Jun 2 13:01:22 franssen postfix/smtpd[2672241]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110 ... show more Jun 2 13:01:22 franssen postfix/smtpd[2672241]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Jun 2 13:01:23 franssen postfix/smtpd[2672238]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Jun 2 13:01:30 franssen postfix/smtpd[2672218]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-05-14 12:00:38 (3 weeks ago)	May 14 13:58:57 franssen postfix/smtpd[1012384]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110 ... show more May 14 13:58:57 franssen postfix/smtpd[1012384]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> May 14 13:58:58 franssen postfix/smtpd[1012353]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> May 14 13:59:11 franssen postfix/smtpd[1012355]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-04-30 09:50:00 (1 month ago)	Apr 30 11:49:06 franssen postfix/smtpd[2805681]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110 ... show more Apr 30 11:49:06 franssen postfix/smtpd[2805681]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Apr 30 11:49:06 franssen postfix/smtpd[2805643]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Apr 30 11:49:27 franssen postfix/smtpd[2805681]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-04-29 10:01:38 (1 month ago)	Apr 29 12:00:51 franssen postfix/smtpd[2741786]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110 ... show more Apr 29 12:00:51 franssen postfix/smtpd[2741786]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Apr 29 12:01:08 franssen postfix/smtpd[2741642]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYVP286CU001.outbound.protection.outlook.com> Apr 29 12:01:16 franssen postfix/smtpd[2741642]: NOQUEUE: reject: RCPT from mail-japaneastazhn150110001.outbound.protection.outlook.com[2a01:111:f403:dc05::1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇺🇸 synthetic-motor-oil-change-and-filters.com	2025-12-14 15:24:00 (5 months ago)	Unsolicited Microsoft Teams email received 2025-12-12 at 06:42:12 PST. Headers show it originated fr ... show more Unsolicited Microsoft Teams email received 2025-12-12 at 06:42:12 PST. Headers show it originated from 4.190.215.225 (japanwest0.notifyp.svc.ms) and was relayed via 2a01:111:f403:dc05::1 (TYVP286CU001.outbound.protection.outlook.com) before delivery to Google. Email masquerades as a “Microsoft Teams Subscription Auto-Renewal Notice” with invoice ID and fake charge of 599.98 USD, pressuring the recipient to call a phone number urgently to stop payment and avoid service interruption. This is a classic fake billing / tech-support scam designed to extract money or sensitive data. SPF, DKIM and DMARC all pass for teams.mail.microsoft, so a legitimate Microsoft-related sending path is being abused. This deceptive unsolicited email violates CAN-SPAM and general anti-fraud laws by using misleading billing claims and coercive language. SMTP formatting appears RFC-compliant; abuse is in the fraudulent content. Please investigate and stop this traffic. Abuse contact: Microsoft, [email protected] . show less	Fraud Orders Phishing Web Spam Email Spam Spoofing Exploited Host

Showing 1 to 9 of 9 reports

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