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54.251.44.16

Recent Activity

Abuse Confidence Score

100% Critical

302 reports

164 reporters · latest 4 days ago

ISP: Amazon.com, Inc.
Usage Type: Data Center/Web Hosting/Transit
ASN: AS16509
Hostname(s): ec2-54-251-44-16.ap-southeast-1.compute.amazonaws.com
Domain Name: amazon.com
Country: 🇸🇬 Singapore
City: Singapore

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

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Abuse Reports

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Total reports

302 from 164 distinct reporters

First reported

November 5th 2026

Most recent report

4 days ago

Last 60 days

Top reporter locations 🇩🇪 Germany 82 🇳🇱 Netherlands 43 🇺🇸 United States of America 37

Most common categories Brute-Force 286 SSH 269 Port Scan 9 Hacking 7 DDoS Attack 2

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
🇩🇪 ghostwarriors	2026-11-07 12:51:15 UTC · (4 days ago)	Unauthorized connection attempt detected, SSH Brute-Force	Brute-Force Port Scan SSH
🇺🇸 harrics	2026-11-06 20:00:11 UTC · (5 days ago)	fail2ban jail: sshd \| blocked by Bitdefender/IDS	Hacking
🇺🇸 alpha232	2026-11-06 07:29:19 UTC · (6 days ago)	Invalid user ubuntu from 54.251.44.16 port 45770	Brute-Force SSH
🇳🇱 Godert Jan van Manen	2026-11-06 07:19:08 UTC · (6 days ago)	Nov 6 08:11:45 odin sshd[3577090]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 6 08:11:47 odin sshd[3577090]: Failed password for invalid user ubuntu from 54.251.44.16 port 44468 ssh2 No ... show more Nov 6 08:11:45 odin sshd[3577090]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 6 08:11:47 odin sshd[3577090]: Failed password for invalid user ubuntu from 54.251.44.16 port 44468 ssh2 Nov 6 08:19:04 odin sshd[3578985]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 user=root Nov 6 08:19:06 odin sshd[3578985]: Failed password for root from 54.251.44.16 port 55528 ssh2 Nov 6 08:19:07 odin sshd[3578995]: Invalid user ubuntu from 54.251.44.16 port 55534 show less	Brute-Force SSH
🇨🇦 gab3n	2026-11-06 07:09:37 UTC · (6 days ago)	Repeated unauthorized access attempts observed from this IP address.	Brute-Force SSH
🇳🇱 hostero	2026-11-06 07:07:55 UTC · (6 days ago)	2026-11-06T08:07:52.853122+01:00 s896 sshd[1509778]: Invalid user ubuntu from 54.251.44.16 port 50426 2026-11-06T08:07:53.089843+01:00 s896 sshd[1509778]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251. ... show more 2026-11-06T08:07:52.853122+01:00 s896 sshd[1509778]: Invalid user ubuntu from 54.251.44.16 port 50426 2026-11-06T08:07:53.089843+01:00 s896 sshd[1509778]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 2026-11-06T08:07:55.067422+01:00 s896 sshd[1509778]: Failed password for invalid user ubuntu from 54.251.44.16 port 50426 ssh2 ... show less	Brute-Force SSH
🇩🇪 herz-der-gamer.de	2026-11-06 07:04:48 UTC · (6 days ago)	2026-11-06T08:04:43.530214+01:00 marvibiene sshd[1010719]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 2026-11-06T08:04:45.758742+01:00 marvibiene sshd[1010719]: Failed password for invalid us ... show more 2026-11-06T08:04:43.530214+01:00 marvibiene sshd[1010719]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 2026-11-06T08:04:45.758742+01:00 marvibiene sshd[1010719]: Failed password for invalid user ubuntu from 54.251.44.16 port 52396 ssh2 2026-11-06T08:04:46.279575+01:00 marvibiene sshd[1010738]: Invalid user marvibiene from 54.251.44.16 port 52410 2026-11-06T08:04:46.532693+01:00 marvibiene sshd[1010738]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 2026-11-06T08:04:48.505406+01:00 marvibiene sshd[1010738]: Failed password for invalid user marvibiene from 54.251.44.16 port 52410 ssh2 show less	Brute-Force SSH
🇫🇮 beatsnet.com	2026-11-06 06:54:43 UTC · (6 days ago)	2026-11-06T07:54:39.443681+01:00 frenzy sshd-session[7634]: Invalid user ubuntu from 54.251.44.16 port 33972 2026-11-06T07:54:39.716099+01:00 frenzy sshd-session[7634]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= ... show more 2026-11-06T07:54:39.443681+01:00 frenzy sshd-session[7634]: Invalid user ubuntu from 54.251.44.16 port 33972 2026-11-06T07:54:39.716099+01:00 frenzy sshd-session[7634]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 2026-11-06T07:54:41.943150+01:00 frenzy sshd-session[7634]: Failed password for invalid user ubuntu from 54.251.44.16 port 33972 ssh2 2026-11-06T07:54:42.433379+01:00 frenzy sshd-session[7636]: Invalid user bytewise from 54.251.44.16 port 33980 ... show less	Brute-Force SSH
🇩🇪 cybergecko.de	2026-11-06 06:46:21 UTC · (6 days ago)	Nov 6 07:45:43 CyberGecko sshd[369095]: Invalid user ubuntu from 54.251.44.16 port 57768 Nov 6 07:45:44 CyberGecko sshd[369095]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 6 07:45:46 C ... show more Nov 6 07:45:43 CyberGecko sshd[369095]: Invalid user ubuntu from 54.251.44.16 port 57768 Nov 6 07:45:44 CyberGecko sshd[369095]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 6 07:45:46 CyberGecko sshd[369095]: Failed password for invalid user ubuntu from 54.251.44.16 port 57768 ssh2 Nov 6 07:46:21 CyberGecko sshd[369104]: Invalid user schiessstandverwaltung from 54.251.44.16 port 34080 ... show less	Brute-Force SSH
🇨🇦 KIsmay	2026-11-06 06:38:11 UTC · (6 days ago)	Nov 5 23:38:05 ismay sshd[1915203]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 5 23:38:07 ismay sshd[1915203]: Failed password for invalid user ubuntu from 54.251.44.16 port 58954 ssh2 ... show more Nov 5 23:38:05 ismay sshd[1915203]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 5 23:38:07 ismay sshd[1915203]: Failed password for invalid user ubuntu from 54.251.44.16 port 58954 ssh2 Nov 5 23:38:08 ismay sshd[1915206]: Invalid user nelsonbroadband from 54.251.44.16 port 41326 Nov 5 23:38:08 ismay sshd[1915206]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 5 23:38:10 ismay sshd[1915206]: Failed password for invalid user nelsonbroadband from 54.251.44.16 port 41326 ssh2 ... show less	Brute-Force SSH
🇨🇦 KIsmay	2026-11-06 06:20:43 UTC · (6 days ago)	Nov 5 23:20:38 ismay sshd[1913776]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 5 23:20:39 ismay sshd[1913776]: Failed password for invalid user ubuntu from 54.251.44.16 port 33594 ssh2 ... show more Nov 5 23:20:38 ismay sshd[1913776]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 5 23:20:39 ismay sshd[1913776]: Failed password for invalid user ubuntu from 54.251.44.16 port 33594 ssh2 Nov 5 23:20:40 ismay sshd[1913784]: Invalid user nelsonstreetcar from 54.251.44.16 port 46200 Nov 5 23:20:41 ismay sshd[1913784]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 5 23:20:43 ismay sshd[1913784]: Failed password for invalid user nelsonstreetcar from 54.251.44.16 port 46200 ssh2 ... show less	Brute-Force SSH
🇩🇪 pianoman911	2026-11-06 06:09:35 UTC · (6 days ago)	Nov 6 07:09:29 Debian-1202-bookworm-amd64-base sshd[2060456]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 6 07:09:32 Debian-1202-bookworm-amd64-base sshd[2060456]: Failed password for in ... show more Nov 6 07:09:29 Debian-1202-bookworm-amd64-base sshd[2060456]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 6 07:09:32 Debian-1202-bookworm-amd64-base sshd[2060456]: Failed password for invalid user ubuntu from 54.251.44.16 port 58776 ssh2 Nov 6 07:09:32 Debian-1202-bookworm-amd64-base sshd[2062163]: Invalid user xstarsmp from 54.251.44.16 port 58782 Nov 6 07:09:32 Debian-1202-bookworm-amd64-base sshd[2062163]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 6 07:09:35 Debian-1202-bookworm-amd64-base sshd[2062163]: Failed password for invalid user xstarsmp from 54.251.44.16 port 58782 ssh2 ... show less	Brute-Force SSH
🇳🇱 Godert Jan van Manen	2026-11-06 06:08:20 UTC · (6 days ago)	Nov 6 07:00:41 odin sshd[3554456]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 6 07:00:42 odin sshd[3554456]: Failed password for invalid user securitysatellite from 54.251.44.16 port 35 ... show more Nov 6 07:00:41 odin sshd[3554456]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 Nov 6 07:00:42 odin sshd[3554456]: Failed password for invalid user securitysatellite from 54.251.44.16 port 35392 ssh2 Nov 6 07:08:17 odin sshd[3556497]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 user=root Nov 6 07:08:19 odin sshd[3556497]: Failed password for root from 54.251.44.16 port 43184 ssh2 Nov 6 07:08:20 odin sshd[3556506]: Invalid user ubuntu from 54.251.44.16 port 45000 show less	Brute-Force SSH
🇺🇸 mishan	2026-11-06 06:07:04 UTC · (6 days ago)	2026-11-05T23:06:59.366265-07:00 enki sshd-session[904723]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 2026-11-05T23:07:00.989889-07:00 enki sshd-session[904723]: Failed password for invalid u ... show more 2026-11-05T23:06:59.366265-07:00 enki sshd-session[904723]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 2026-11-05T23:07:00.989889-07:00 enki sshd-session[904723]: Failed password for invalid user ubuntu from 54.251.44.16 port 34708 ssh2 2026-11-05T23:07:02.170241-07:00 enki sshd-session[904760]: Invalid user palmhaus from 54.251.44.16 port 34720 2026-11-05T23:07:02.345685-07:00 enki sshd-session[904760]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 2026-11-05T23:07:04.241787-07:00 enki sshd-session[904760]: Failed password for invalid user palmhaus from 54.251.44.16 port 34720 ssh2 ... show less	Brute-Force SSH
🇩🇪 int8	2026-11-06 06:06:19 UTC · (6 days ago)	2026-11-06T06:06:13.358976+00:00 kebab sshd-session[100176]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 2026-11-06T06:06:14.469140+00:00 kebab sshd-session[100176]: Failed password for invalid ... show more 2026-11-06T06:06:13.358976+00:00 kebab sshd-session[100176]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 2026-11-06T06:06:14.469140+00:00 kebab sshd-session[100176]: Failed password for invalid user ubuntu from 54.251.44.16 port 32768 ssh2 2026-11-06T06:06:16.156002+00:00 kebab sshd-session[100189]: Invalid user sch8ill from 54.251.44.16 port 32776 2026-11-06T06:06:16.405607+00:00 kebab sshd-session[100189]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.251.44.16 2026-11-06T06:06:18.159979+00:00 kebab sshd-session[100189]: Failed password for invalid user sch8ill from 54.251.44.16 port 32776 ssh2 ... show less	Brute-Force SSH

Showing 1 to 15 of 302 reports

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