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AbuseIPDB » 181.53.12.66

181.53.12.66 was found in our database!

This IP was reported 21 times. Confidence of Abuse is 24%: ?

24%

ISP	Telmex Colombia S.A.
Usage Type	Fixed Line ISP
ASN	AS10620
Hostname(s)	dynamic-ip-1815301266.cable.net.co
Domain Name	telmexla.net.co
Country	🇨🇴 Colombia
City	Bogota, Bogota D.C.

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

Report 181.53.12.66

Whois 181.53.12.66

IP Abuse Reports for 181.53.12.66:

This IP address has been reported a total of 21 times from 16 distinct sources. 181.53.12.66 was first reported on May 30th 2021, and the most recent report was 1 day 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
🇩🇪 FeG Deutschland	2026-10-22 04:22:52 (1 day ago)	Looking for CMS/PHP/SQL vulnerablilities/excessive crawling - 28	Exploited Host Web App Attack
🇩🇪 netclix.gr	2026-10-11 01:50:35 (1 week ago)	(old_win_chrome) Blocked old Windows Chrome 181.53.12.66 (CO/Colombia/dynamic-ip-1815301266.cable.ne ... show more (old_win_chrome) Blocked old Windows Chrome 181.53.12.66 (CO/Colombia/dynamic-ip-1815301266.cable.net.co) show less	Hacking
🇺🇸 SX Communications	2026-10-06 11:08:28 (2 weeks ago)	HTTP application-layer DoS / botnet traffic from 181.53.12.66: repeated high-cost dynamic page and f ... show more HTTP application-layer DoS / botnet traffic from 181.53.12.66: repeated high-cost dynamic page and feed requests (profile/tag views, forums, tracker, RSS) at abusive rates via completed TCP/HTTPS. Likely compromised end-user host. show less	DDoS Attack Bad Web Bot Exploited Host
🇺🇸 TPI-Abuse	2026-09-17 14:15:28 (1 month ago)	(mod_security) mod_security (id:210350) triggered by 181.53.12.66 (dynamic-ip-1815301266.cable.net.c ... show more (mod_security) mod_security (id:210350) triggered by 181.53.12.66 (dynamic-ip-1815301266.cable.net.co): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Thu Sep 17 10:15:24.269658 2026] [security2:error] [pid 20740:tid 20740] [client 181.53.12.66:12319] ModSecurity: Access denied with code 403 (phase 2). Pattern match "\\\\b(close\|keep-alive),[\\\\t\\\\n\\\\r ]{0,1}(close\|keep-alive)\\\\b" at REQUEST_HEADERS:Connection. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/12_HTTP_Protocol.conf"] [line "70"] [id "210350"] [rev "1"] [msg "COMODO WAF: Multiple/Conflicting Connection Header Data Found\|\|davidjschultz.com\|F\|4"] [data "keep-alive, close"] [severity "WARNING"] [tag "CWAF"] [tag "Protocol"] [hostname "davidjschultz.com"] [uri "/"] [unique_id "aqv1_Ir01wYN4tFYOwmNQAAAAAs"], referer: https://backlinkcheckersite.store/dir/niche-link-building-51162 show less	Brute-Force Bad Web Bot Web App Attack
🇫🇷 security.rdmc.fr	2026-07-20 23:20:58 (3 months ago)	Port Scan Attack proto:TCP src:4037 dst:23	Port Scan
Anonymous	2025-11-25 18:28:03 (10 months ago)	scanning http requests from known botnet	Web App Attack
🇩🇪 Packets-Decreaser.NET	2025-11-10 22:36:08 (11 months ago)	Incoming Layer 7 Flood Detected	DDoS Attack Web Spam
🇺🇸 xmission.com	2025-07-02 18:59:09 (1 year ago)	Blocked 13 connection attempts due to RBL reputation in the past hour.	Email Spam
🇷🇸 Smel	2023-11-10 21:19:52 (2 years ago)	Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -	Email Spam Hacking Brute-Force
🇩🇪 _ArminS_	2022-02-19 17:36:06 (4 years ago)	Spam detected 2022.02.19 23:36:06 blocked until 2022.04.10 17:38:06	Email Spam
🇸🇬 Sean64	2022-02-09 20:29:43 (4 years ago)	Feb 10 09:29:43 sean postfix/smtpd[2234318]: NOQUEUE: reject: RCPT from unknown[181.53.12.66]: 554 5 ... show more Feb 10 09:29:43 sean postfix/smtpd[2234318]: NOQUEUE: reject: RCPT from unknown[181.53.12.66]: 554 5.7.1 Service unavailable; Client host [181.53.12.66] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/181.53.12.66; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<dynamic-ip-1815301266.cable.net.co> ... show less	Email Spam Brute-Force
🇵🇹 rnl	2022-01-06 18:48:16 (4 years ago)	postfix (unknown user, SPF fail or relay access denied)	Brute-Force
🇸🇬 Sean64	2021-12-23 21:37:30 (4 years ago)	Dec 24 10:37:29 sean postfix/smtpd[531770]: NOQUEUE: reject: RCPT from unknown[181.53.12.66]: 554 5. ... show more Dec 24 10:37:29 sean postfix/smtpd[531770]: NOQUEUE: reject: RCPT from unknown[181.53.12.66]: 554 5.7.1 Service unavailable; Client host [181.53.12.66] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/181.53.12.66; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<dynamic-ip-1815301266.cable.net.co> ... show less	Email Spam Brute-Force
🇸🇬 Sean64	2021-11-15 19:19:58 (4 years ago)	Nov 16 08:18:39 sean postfix/smtpd[2579208]: NOQUEUE: reject: RCPT from unknown[181.53.12.66]: 554 5 ... show more Nov 16 08:18:39 sean postfix/smtpd[2579208]: NOQUEUE: reject: RCPT from unknown[181.53.12.66]: 554 5.7.1 <[email protected]>: Sender address rejected: Access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<dynamic-ip-1815301266.cable.net.co> Nov 16 08:19:34 sean postfix/smtpd[2580197]: NOQUEUE: reject: RCPT from unknown[181.53.12.66]: 554 5.7.1 <[email protected]>: Sender address rejected: Access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<dynamic-ip-1815301266.cable.net.co> Nov 16 08:19:58 sean postfix/smtpd[2579178]: NOQUEUE: reject: RCPT from unknown[181.53.12.66]: 554 5.7.1 <[email protected]>: Sender address rejected: Access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<dynamic-ip-1815301266.cable.net.co> ... show less	Email Spam Brute-Force
🇬🇧 Joe-Mark	2021-11-08 08:15:54 (4 years ago)	TCP Port: 25 invalid blocked Listed on dnsbl-sorbs also spfbl.net and barracuda (29 ... show more TCP Port: 25 invalid blocked Listed on dnsbl-sorbs also spfbl.net and barracuda (2900) show less	Email Spam

Showing 1 to 15 of 21 reports

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