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AbuseIPDB » 183.166.82.53

183.166.82.53 was found in our database!

This IP was reported 87 times. Confidence of Abuse is 100%: ?

100%

ISP	CHINANET Anhui province network
Usage Type	Fixed Line ISP
ASN	AS4134
Domain Name	chinatelecom.cn
Country	🇨🇳 China
City	Hefei, Anhui

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

Report 183.166.82.53

Whois 183.166.82.53

IP Abuse Reports for 183.166.82.53:

This IP address has been reported a total of 87 times from 60 distinct sources. 183.166.82.53 was first reported on June 5th 2026, and the most recent report was 2 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
🇭🇰 PingMeMaybe	2026-06-22 10:37:59 (2 hours ago)	Blocked by UFW on hk [465/tcp] Source port: 59486 TTL: 114 Packet length: 52 TOS: 0x00 This report ... show more Blocked by UFW on hk [465/tcp] Source port: 59486 TTL: 114 Packet length: 52 TOS: 0x00 This report was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter show less	Port Scan Email Spam
🇹🇭 thaizone.com	2026-06-22 07:52:55 (5 hours ago)	Mail credential brute-force attack (SM6) #1	Email Spam Brute-Force
🇵🇹 rnl	2026-06-22 00:51:45 (12 hours ago)	postfix (unknown user, SPF fail or relay access denied)	Brute-Force
🇩🇪 jasperedv.de	2026-06-21 21:54:13 (15 hours ago)	SMTP blocked - SPAM	Email Spam Brute-Force
🇸🇰 EVISION	2026-06-21 16:34:04 (20 hours ago)	Automatic report from EV firewall log. https://github.com/Ragnarocek/Windows_FW_AbuseIPDB_Reporti ... show more Automatic report from EV firewall log. https://github.com/Ragnarocek/Windows_FW_AbuseIPDB_Reporting ID: 4xx8kAbrwxkzo2Ivl6MIwxn6kMWTt3XI show less	Port Scan Hacking Brute-Force
🇩🇪 Hagen Schoebel	2026-06-21 13:56:13 (23 hours ago)	Blocked by CrowdSec - crowdsecurity/postfix-spam (CN)	Port Scan Brute-Force Web App Attack SSH
🇫🇷 UM3	2026-06-21 09:30:49 (1 day ago)	Exim Auth Failed	Brute-Force
Anonymous	2026-06-21 03:45:11 (1 day ago)	Portscan: TCP/25 (4x), TCP/465, TCP/587	Port Scan
🇲🇾 Malaysia10	2026-06-21 02:31:00 (1 day ago)	Phishing, Spoof	Email Spam Spoofing Brute-Force
🇩🇪 initsol	2026-06-21 01:32:18 (1 day ago)	2026-06-21T03:32:08.403498hermes2 postfix/smtpd[3414417]: NOQUEUE: reject: RCPT from unknown[183.166 ... show more 2026-06-21T03:32:08.403498hermes2 postfix/smtpd[3414417]: NOQUEUE: reject: RCPT from unknown[183.166.82.53]: 504 5.5.2 <localhost>: Helo command rejected: need fully-qualified hostname; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<localhost> 2026-06-21T03:32:10.343132hermes2 postfix/smtpd[3414417]: NOQUEUE: reject: RCPT from unknown[183.166.82.53]: 504 5.5.2 <localhost>: Helo command rejected: need fully-qualified hostname; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<localhost> 2026-06-21T03:32:17.722546hermes2 postfix/submission/smtpd[3414320]: NOQUEUE: reject: RCPT from unknown[183.166.82.53]: 554 5.7.1 <unknown[183.166.82.53]>: Client host rejected: Access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<localhost> ... show less	Brute-Force
🇩🇪 london2038.com	2026-06-21 01:13:39 (1 day ago)	Connection atttempts against closed TCP ports Jun 21 03:13:25 BLOCK SRC=183.166.82.53 LEN=52 TOS=0x0 ... show more Connection atttempts against closed TCP ports Jun 21 03:13:25 BLOCK SRC=183.166.82.53 LEN=52 TOS=0x00 PREC=0x00 TTL=117 ID=57554 DF PROTO=TCP SPT=53342 DPT=465 WINDOW=64800 RES=0x00 SYN Jun 21 03:13:26 BLOCK SRC=183.166.82.53 LEN=52 TOS=0x00 PREC=0x00 TTL=117 ID=57555 DF PROTO=TCP SPT=53342 DPT=465 WINDOW=64800 RES=0x00 SYN Jun 21 03:13:38 BLOCK SRC=183.166.82.53 LEN=52 TOS=0x00 PREC=0x00 TTL=117 ID=57562 DF PROTO=TCP SPT=57277 DPT=587 WINDOW=64800 RES=0x00 SYN show less	Port Scan
🇨🇭 master.arknet.ch	2026-06-20 22:41:53 (1 day ago)	2026-06-21T00:41:44.981298+02:00 cliff postfix[2716640]: Jun 20 22:41:44 mail postfix/smtpd[4110]: N ... show more 2026-06-21T00:41:44.981298+02:00 cliff postfix[2716640]: Jun 20 22:41:44 mail postfix/smtpd[4110]: NOQUEUE: reject: RCPT from unknown[183.166.82.53]: 554 5.7.1 Service unavailable; Client host [183.166.82.53] blocked using zen.spamhaus.org; Listed by XBL, see https://check.spamhaus.org/query/ip/183.166.82.53 / Listed by CSS, see https://check.spamhaus.org/query/ip/183.166.82.53 / Listed by PBL, see https://check.spamhaus.org/query/ip/183.166.82.53; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<localhost> 2026-06-21T00:41:47.564823+02:00 cliff postfix[2716640]: Jun 20 22:41:47 mail postfix/smtpd[4110]: NOQUEUE: reject: RCPT from unknown[183.166.82.53]: 554 5.7.1 Service unavailable; Client host [183.166.82.53] blocked using zen.spamhaus.org; Listed by XBL, see https://check.spamhaus.org/query/ip/183.166.82.53 / Listed by CSS, see https://check.spamhaus.org/query/ip/183.166.82.53 / Listed by PBL, see https://check.spamhaus.org/query/ip/183.166.82.53; from=<cont ... show less	Brute-Force
🇺🇸 pixelmemory.us	2026-06-20 16:01:08 (1 day ago)	2026-06-20T09:00:57.955887-07:00 pixelmemory postfix/smtpd[911357]: NOQUEUE: reject: RCPT from unkno ... show more 2026-06-20T09:00:57.955887-07:00 pixelmemory postfix/smtpd[911357]: NOQUEUE: reject: RCPT from unknown[183.166.82.53]: 450 4.7.25 Client host rejected: cannot find your hostname, [183.166.82.53]; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<localhost> 2026-06-20T09:01:02.272592-07:00 pixelmemory postfix/smtpd[911357]: NOQUEUE: reject: RCPT from unknown[183.166.82.53]: 450 4.7.25 Client host rejected: cannot find your hostname, [183.166.82.53]; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<localhost> 2026-06-20T09:01:06.813199-07:00 pixelmemory postfix/smtpd[911371]: NOQUEUE: reject: RCPT from unknown[183.166.82.53]: 450 4.7.25 Client host rejected: cannot find your hostname, [183.166.82.53]; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<localhost> 2026-06-20T09:01:07.602447-07:00 pixelmemory postfix/smtpd[911371]: NOQUEUE: reject: RCPT from unknown[183.166.82.53]: 450 4.7.25 Client host rejected: cannot f ... show less	Email Spam Brute-Force
🇮🇱 spd.co.il	2026-06-20 13:02:17 (2 days ago)	Port scan detected on multiple ports	Port Scan
Anonymous	2026-06-20 07:57:05 (2 days ago)		Email Spam

Showing 1 to 15 of 87 reports

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