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AbuseIPDB » 20.51.57.121

20.51.57.121 was found in our database!

This IP was reported 55 times. Confidence of Abuse is 100%: ?

100%

ISP	Microsoft Corporation
Usage Type	Data Center/Web Hosting/Transit
ASN	AS8075
Domain Name	microsoft.com
Country	🇺🇸 United States of America
City	Cheyenne, Wyoming

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

Report 20.51.57.121

Whois 20.51.57.121

IP Abuse Reports for 20.51.57.121:

This IP address has been reported a total of 55 times from 34 distinct sources. 20.51.57.121 was first reported on May 15th 2026, 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
🇩🇪 gcl046	2026-06-30 22:16:02 (1 day ago)	2026-07-01T00:15:52.060760+02:00 zg0iiuob sshd-session[2220450]: Connection closed by authenticating ... show more 2026-07-01T00:15:52.060760+02:00 zg0iiuob sshd-session[2220450]: Connection closed by authenticating user root 20.51.57.121 port 17489 [preauth] 2026-07-01T00:15:54.329908+02:00 zg0iiuob sshd-session[2220452]: Connection closed by authenticating user root 20.51.57.121 port 17490 [preauth] 2026-07-01T00:15:56.754548+02:00 zg0iiuob sshd-session[2220455]: Connection closed by authenticating user root 20.51.57.121 port 17491 [preauth] 2026-07-01T00:15:59.649913+02:00 zg0iiuob sshd-session[2220457]: Connection closed by authenticating user root 20.51.57.121 port 17488 [preauth] 2026-07-01T00:16:01.824084+02:00 zg0iiuob sshd-session[2220459]: Connection closed by authenticating user root 20.51.57.121 port 17489 [preauth] ... show less	Brute-Force SSH
🇩🇪 Filli Group	2026-06-30 22:13:46 (1 day ago)	2026-07-01T00:13:38.424320+02:00 matrix.ursinn.dev sshd-session[1619393]: User root from 20.51.57.12 ... show more 2026-07-01T00:13:38.424320+02:00 matrix.ursinn.dev sshd-session[1619393]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-07-01T00:13:40.666596+02:00 matrix.ursinn.dev sshd-session[1619397]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-07-01T00:13:45.676859+02:00 matrix.ursinn.dev sshd-session[1619603]: User root from 20.51.57.121 not allowed because not listed in AllowUsers ... show less	Brute-Force SSH
🇩🇪 syndications4radio.de	2026-06-30 21:49:41 (1 day ago)	2026-06-30T23:49:34.151576+02:00 v2202403218999259734 sshd[1371827]: Failed password for root from 2 ... show more 2026-06-30T23:49:34.151576+02:00 v2202403218999259734 sshd[1371827]: Failed password for root from 20.51.57.121 port 17492 ssh2 2026-06-30T23:49:35.455446+02:00 v2202403218999259734 sshd[1371851]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.51.57.121 user=root 2026-06-30T23:49:37.196680+02:00 v2202403218999259734 sshd[1371851]: Failed password for root from 20.51.57.121 port 17493 ssh2 2026-06-30T23:49:38.576789+02:00 v2202403218999259734 sshd[1371856]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.51.57.121 user=root 2026-06-30T23:49:40.729526+02:00 v2202403218999259734 sshd[1371856]: Failed password for root from 20.51.57.121 port 17488 ssh2 ... show less	Brute-Force SSH
🇩🇪 DeeCipher	2026-06-30 21:36:37 (1 day ago)	2026-06-30T23:36:34.594350+02:00 helmgartner sshd[995279]: User root from 20.51.57.121 not allowed b ... show more 2026-06-30T23:36:34.594350+02:00 helmgartner sshd[995279]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-06-30T23:36:36.078097+02:00 helmgartner sshd[995281]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-06-30T23:36:37.313719+02:00 helmgartner sshd[995283]: User root from 20.51.57.121 not allowed because not listed in AllowUsers ... show less	Brute-Force
🇩🇪 london2038.com	2026-06-30 21:35:06 (1 day ago)	Connection atttempts against closed TCP ports Jun 30 20:13:16 BLOCK SRC=20.51.57.121 LEN=60 TOS=0x00 ... show more Connection atttempts against closed TCP ports Jun 30 20:13:16 BLOCK SRC=20.51.57.121 LEN=60 TOS=0x00 PREC=0x00 TTL=46 ID=634 DF PROTO=TCP SPT=17488 DPT=22 WINDOW=64240 RES=0x00 SYN Jun 30 20:54:37 BLOCK SRC=20.51.57.121 LEN=60 TOS=0x00 PREC=0x00 TTL=46 ID=64004 DF PROTO=TCP SPT=17488 DPT=22 WINDOW=64240 RES=0x00 SYN Jun 30 23:35:05 BLOCK SRC=20.51.57.121 LEN=60 TOS=0x00 PREC=0x00 TTL=45 ID=4979 DF PROTO=TCP SPT=17489 DPT=22 WINDOW=64240 RES=0x00 SYN show less	Port Scan
🇩🇪 Laelon	2026-06-30 21:34:51 (1 day ago)	2026-06-30T23:29:26.782504+02:00 v2202604220723452282 sshd-session[2990650]: User root from 20.51.57 ... show more 2026-06-30T23:29:26.782504+02:00 v2202604220723452282 sshd-session[2990650]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-06-30T23:29:28.873948+02:00 v2202604220723452282 sshd-session[2990686]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-06-30T23:29:30.253272+02:00 v2202604220723452282 sshd-session[2990690]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-06-30T23:29:31.743403+02:00 v2202604220723452282 sshd-session[2990712]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-06-30T23:33:40.337241+02:00 v2202604220723452282 sshd-session[2995867]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-06-30T23:33:41.816310+02:00 v2202604220723452282 sshd-session[2995889]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-06-30T23:33:43.074708+02:00 v2202604220723452282 sshd-session[2995894]: User root from 20.51.57 show less	Brute-Force SSH
🇩🇪 syndications4radio.de	2026-06-30 21:34:28 (1 day ago)	2026-06-30T23:34:18.462918+02:00 v2202403218999259734 sshd[1368403]: Failed password for root from 2 ... show more 2026-06-30T23:34:18.462918+02:00 v2202403218999259734 sshd[1368403]: Failed password for root from 20.51.57.121 port 17490 ssh2 2026-06-30T23:34:22.043577+02:00 v2202403218999259734 sshd[1368412]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.51.57.121 user=root 2026-06-30T23:34:24.447232+02:00 v2202403218999259734 sshd[1368412]: Failed password for root from 20.51.57.121 port 17488 ssh2 2026-06-30T23:34:26.937031+02:00 v2202403218999259734 sshd[1368421]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.51.57.121 user=root 2026-06-30T23:34:28.553082+02:00 v2202403218999259734 sshd[1368421]: Failed password for root from 20.51.57.121 port 17491 ssh2 ... show less	Brute-Force SSH
🇩🇪 remo	2026-06-30 20:59:34 (1 day ago)	Jun 30 22:59:29 dev0-dcde-rnet sshd[12815]: Failed password for root from 20.51.57.121 port 17489 ss ... show more Jun 30 22:59:29 dev0-dcde-rnet sshd[12815]: Failed password for root from 20.51.57.121 port 17489 ssh2 Jun 30 22:59:32 dev0-dcde-rnet sshd[12817]: Failed password for root from 20.51.57.121 port 17490 ssh2 show less	Brute-Force SSH
Anonymous	2026-06-30 20:54:04 (1 day ago)	2026-06-30T22:53:57.844861+02:00 outpost sshd[1058593]: pam_unix(sshd:auth): authentication failure; ... show more 2026-06-30T22:53:57.844861+02:00 outpost sshd[1058593]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.51.57.121 user=root 2026-06-30T22:53:59.336147+02:00 outpost sshd[1058593]: Failed password for root from 20.51.57.121 port 17488 ssh2 2026-06-30T22:54:01.081882+02:00 outpost sshd[1058655]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.51.57.121 user=root 2026-06-30T22:54:03.456863+02:00 outpost sshd[1058655]: Failed password for root from 20.51.57.121 port 17489 ssh2 ... show less	Brute-Force SSH
🇩🇪 Richie	2026-06-30 20:32:05 (1 day ago)	2026-06-30T22:31:59.163976+02:00 host1 sshd[1398965]: Failed password for root from 20.51.57.121 por ... show more 2026-06-30T22:31:59.163976+02:00 host1 sshd[1398965]: Failed password for root from 20.51.57.121 port 17489 ssh2 2026-06-30T22:32:01.858763+02:00 host1 sshd[1399001]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.51.57.121 user=root 2026-06-30T22:32:04.016732+02:00 host1 sshd[1399001]: Failed password for root from 20.51.57.121 port 17490 ssh2 2026-06-30T22:32:01.858763+02:00 host1 sshd[1399001]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.51.57.121 user=root 2026-06-30T22:32:04.016732+02:00 host1 sshd[1399001]: Failed password for root from 20.51.57.121 port 17490 ssh2 ... show less	Brute-Force SSH
🇩🇪 syndications4radio.de	2026-06-30 20:27:04 (1 day ago)	2026-06-30T22:26:53.353005+02:00 v2202403218999259734 sshd[1353083]: Failed password for root from 2 ... show more 2026-06-30T22:26:53.353005+02:00 v2202403218999259734 sshd[1353083]: Failed password for root from 20.51.57.121 port 17489 ssh2 2026-06-30T22:26:56.248665+02:00 v2202403218999259734 sshd[1353093]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.51.57.121 user=root 2026-06-30T22:26:58.538643+02:00 v2202403218999259734 sshd[1353093]: Failed password for root from 20.51.57.121 port 17490 ssh2 2026-06-30T22:27:01.596523+02:00 v2202403218999259734 sshd[1353120]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.51.57.121 user=root 2026-06-30T22:27:03.905572+02:00 v2202403218999259734 sshd[1353120]: Failed password for root from 20.51.57.121 port 17488 ssh2 ... show less	Brute-Force SSH
🇩🇪 Arsh	2026-06-30 20:26:08 (1 day ago)	2026-06-30T20:25:59.655196+00:00 v2202502255267314709 sshd[1453771]: User root from 20.51.57.121 not ... show more 2026-06-30T20:25:59.655196+00:00 v2202502255267314709 sshd[1453771]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-06-30T20:26:01.873976+00:00 v2202502255267314709 sshd[1453869]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-06-30T20:26:03.231793+00:00 v2202502255267314709 sshd[1453891]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-06-30T20:26:05.840666+00:00 v2202502255267314709 sshd[1453949]: User root from 20.51.57.121 not allowed because not listed in AllowUsers 2026-06-30T20:26:07.329809+00:00 v2202502255267314709 sshd[1454105]: User root from 20.51.57.121 not allowed because not listed in AllowUsers ... show less	Brute-Force SSH
🇩🇪 chillcog.com	2026-06-30 20:11:00 (1 day ago)	Blocked by on honeypot [22/tcp] \| SPT: 17489 \| TTL: 38 \| LEN: 60 \| TOS: 0x00 • Reported by: abuse.te ... show more Blocked by on honeypot [22/tcp] \| SPT: 17489 \| TTL: 38 \| LEN: 60 \| TOS: 0x00 • Reported by: abuse.terraforge.fun show less	Port Scan SSH
🇩🇪 dcomsystems	2026-06-30 20:05:43 (1 day ago)	2026-06-30T22:05:31.923893+02:00 dcs1 sshd[3025547]: Failed password for root from 20.51.57.121 port ... show more 2026-06-30T22:05:31.923893+02:00 dcs1 sshd[3025547]: Failed password for root from 20.51.57.121 port 17489 ssh2 2026-06-30T22:05:35.067306+02:00 dcs1 sshd[3025577]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.51.57.121 user=root 2026-06-30T22:05:37.165688+02:00 dcs1 sshd[3025577]: Failed password for root from 20.51.57.121 port 17490 ssh2 2026-06-30T22:05:40.266885+02:00 dcs1 sshd[3025606]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.51.57.121 user=root 2026-06-30T22:05:42.385304+02:00 dcs1 sshd[3025606]: Failed password for root from 20.51.57.121 port 17492 ssh2 ... show less	Brute-Force SSH
🇩🇪 DocNetzwerk	2026-06-30 19:57:27 (1 day ago)	(PERMBLOCK) 20.51.57.121 (US/United States/-) has had more than 3 temp blocks	Hacking

Showing 1 to 15 of 55 reports

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