JavaScript is disabled. Some features of this site may not work properly. For a smoother experience, please enable JavaScript in your browser settings.

2a01:111:f403:dc05::3

Recent Activity IPv6 SLAAC Note

Abuse confidence score ?

20% Elevated

74 reports

15 reporters · latest 13 hours ago

ISP	Microsoft Limited
Usage Type	Content Delivery Network
ASN	AS8075
Hostname(s)	mail-japaneastazhn150130003.outbound.protection.outlook.com
Domain Name	microsoft.com
Country	🇯🇵 Japan
City	Tokyo, Tokyo

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

Report Whois

Reports Activity

Example preview

Report Categories (Last 60 Days)

Example preview

Top Reporter Countries (Last 60 Days)

Example preview

Account required for the enhanced features Log in Sign up

IP Abuse Reports for 2a01:111:f403:dc05::3

This IP address has been reported a total of 74 times from 15 distinct sources. 2a01:111:f403:dc05::3 was first reported on August 21st 2025, and the most recent report was 13 hours ago. In the last 60 days, the top reporter locations were: Finland with 8 reports; Germany with 1 report; Japan with 1 report. The most common categories in these recent reports were: Brute-Force 8 times; Email Spam 2 times; Phishing 1 time; Port Scan 1 time; Spoofing 1 time; Other 1 time.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇫🇷 Zarla	2026-07-14 15:31:27 (2 months ago)	Scan or attack attempt on email service.	Email Spam Port Scan Brute-Force
🇫🇮 hieronymousch	2026-07-13 16:54:02 (2 months ago)	Jul 13 18:53:45 franssen postfix/smtpd[3964867]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130 ... show more Jul 13 18:53:45 franssen postfix/smtpd[3964867]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jul 13 18:53:51 franssen postfix/smtpd[3964871]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jul 13 18:53:59 franssen postfix/smtpd[3964867]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇩🇪 CK_beats	2026-07-11 19:40:03 (2 months ago)	Blocked by os-abuseipdb on OPNsense firewall KN-FW01; 5 hits, proto=tcp, ports=25	Port Scan Hacking
🇫🇮 hieronymousch	2026-07-10 22:05:54 (2 months ago)	Jul 11 00:05:48 franssen postfix/smtpd[3249605]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130 ... show more Jul 11 00:05:48 franssen postfix/smtpd[3249605]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jul 11 00:05:49 franssen postfix/smtpd[3249608]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jul 11 00:05:50 franssen postfix/smtpd[3249584]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-07-10 18:55:09 (2 months ago)	Jul 10 20:55:06 franssen postfix/smtpd[3211769]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130 ... show more Jul 10 20:55:06 franssen postfix/smtpd[3211769]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jul 10 20:55:07 franssen postfix/smtpd[3214562]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jul 10 20:55:07 franssen postfix/smtpd[3213879]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-07-10 18:34:30 (2 months ago)	Jul 10 20:34:23 franssen postfix/smtpd[3211808]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130 ... show more Jul 10 20:34:23 franssen postfix/smtpd[3211808]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jul 10 20:34:25 franssen postfix/smtpd[3211805]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jul 10 20:34:25 franssen postfix/smtpd[3211808]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇯🇵 aniy	2026-06-11 05:06:24 (3 months ago)	<report_metadata> <org_name>Enterprise Outlook</org_name> <email>[email protected]</email> < ... show more <report_metadata> <org_name>Enterprise Outlook</org_name> <email>[email protected]</email> <report_id>ee1b3047e67644689e214aa2aaca4b15</report_id> <date_range> <begin>1780963200</begin> <end>1781049600</end> </date_range> </report_metadata> <record> <row> <source_ip>2a01:111:f403:dc05::3</source_ip> <count>1</count> <policy_evaluated> <disposition>reject</disposition> <dkim>fail</dkim> <spf>fail</spf> </policy_evaluated> </row> show less	Email Spam Spoofing
🇫🇮 hieronymousch	2026-06-10 18:23:42 (3 months ago)	Jun 10 20:23:30 franssen postfix/smtpd[5828]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003 ... show more Jun 10 20:23:30 franssen postfix/smtpd[5828]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 10 20:23:30 franssen postfix/smtpd[5828]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 10 20:23:30 franssen postfix/smtpd[5826]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-10 15:12:40 (3 months ago)	Jun 10 17:12:37 franssen postfix/smtpd[4174405]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130 ... show more Jun 10 17:12:37 franssen postfix/smtpd[4174405]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 10 17:12:37 franssen postfix/smtpd[4174399]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 10 17:12:38 franssen postfix/smtpd[4174399]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-10 14:51:41 (3 months ago)	Jun 10 16:51:28 franssen postfix/smtpd[4171319]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130 ... show more Jun 10 16:51:28 franssen postfix/smtpd[4171319]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 10 16:51:30 franssen postfix/smtpd[4171384]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 10 16:51:31 franssen postfix/smtpd[4171391]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇩🇪 ksol-hostmaster	2026-06-09 13:13:03 (3 months ago)	Jun 9 13:44:25 ksol postfix/after-postscreen/smtpd[34680]: NOQUEUE: reject: RCPT from mail-japaneas ... show more Jun 9 13:44:25 ksol postfix/after-postscreen/smtpd[34680]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]:11952: 550 5.1.7 <anonymized@email>: Sender address rejected: undeliverable address: host dig19237336.mail.protection.outlook.com[2a01:111:f403:cc1a::8] said: 550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [TY2PEPF0000AB88.apcprd03.prod.outlook.com 2026-06-09T11:44:25.203Z 08DEC3F80747985E] (in reply to RCPT TO command); from=<anonymized@email> to=<anonymized@email> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 9 15:13:03 ksol postfix/after-postscreen/smtpd[74425]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]:12466: 550 5.1.7 <anonymized@email>: Sender address rejected: undeliverable address: host dig ... show less	Email Spam
🇫🇮 hieronymousch	2026-06-03 14:51:13 (3 months ago)	Jun 3 16:51:11 franssen postfix/smtpd[2750066]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130 ... show more Jun 3 16:51:11 franssen postfix/smtpd[2750066]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 3 16:51:11 franssen postfix/smtpd[2750066]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 3 16:51:11 franssen postfix/smtpd[2750071]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-02 14:40:49 (3 months ago)	Jun 2 16:40:47 franssen postfix/smtpd[2679960]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130 ... show more Jun 2 16:40:47 franssen postfix/smtpd[2679960]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 2 16:40:48 franssen postfix/smtpd[2679955]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 2 16:40:48 franssen postfix/smtpd[2679964]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-02 11:40:36 (3 months ago)	Jun 2 13:40:09 franssen postfix/smtpd[2673660]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130 ... show more Jun 2 13:40:09 franssen postfix/smtpd[2673660]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 2 13:40:28 franssen postfix/smtpd[2673660]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 2 13:40:29 franssen postfix/smtpd[2673039]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force
🇫🇮 hieronymousch	2026-06-02 11:14:25 (3 months ago)	Jun 2 13:14:02 franssen postfix/smtpd[2672130]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130 ... show more Jun 2 13:14:02 franssen postfix/smtpd[2672130]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 2 13:14:13 franssen postfix/smtpd[2672126]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<[email protected]> proto=ESMTP helo=<TYDPR03CU002.outbound.protection.outlook.com> Jun 2 13:14:18 franssen postfix/smtpd[2672169]: NOQUEUE: reject: RCPT from mail-japaneastazhn150130003.outbound.protection.outlook.com[2a01:111:f403:dc05::3]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in ... show less	Brute-Force

Showing 16 to 30 of 74 reports

Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown 🚩

Recently Reported IPs:

🇨🇳 182.138.158.30

🇨🇳 182.119.230.118

🇨🇳 116.148.92.224

🇲🇦 105.154.21.75

🇮🇶 65.20.205.197

🇲🇱 41.73.98.249

🇧🇪 34.79.200.5

🇨🇳 223.167.205.115

🇰🇷 220.80.223.144

🇵🇱 176.53.159.198

🇵🇱 176.53.159.196

🇮🇩 163.7.1.218

🇰🇷 112.219.151.50

🇨🇳 106.12.124.63

🇭🇰 103.26.94.164

🇭🇰 45.207.209.16

🇨🇳 43.143.18.14

🇨🇳 42.230.190.172

🇵🇪 38.25.17.80

🇺🇸 2604:a940:301:225:0:f::