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AbuseIPDB » 5.103.220.241

5.103.220.241 was found in our database!

This IP was reported 20 times. Confidence of Abuse is 0%: ?

ISP	FIBIA P/S
Usage Type	Fixed Line ISP
ASN	AS44869
Hostname(s)	5.103.220.241.dhcp.fibianet.dk
Domain Name	fibia.dk
Country	🇩🇰 Denmark
City	Assens, South Denmark

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

Report 5.103.220.241

Whois 5.103.220.241

IP Abuse Reports for 5.103.220.241:

This IP address has been reported a total of 20 times from 13 distinct sources. 5.103.220.241 was first reported on January 3rd 2026, and the most recent report was 1 month ago.

Old Reports: The most recent abuse report for this IP address is from 1 month ago . It is possible that this IP is no longer involved in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇨🇭 Philippus	2026-05-10 20:04:00 (1 month ago)	User [admin] from [5.103.220.241] failed to sign in to [DSM] via [password] due to authorization fai ... show more User [admin] from [5.103.220.241] failed to sign in to [DSM] via [password] due to authorization failure. show less	Brute-Force Hacking
🇨🇦 bwhitty	2026-02-13 18:02:02 (4 months ago)	Performed brute-force login attempts (>5 in 30s) using dictionary usernames (eg:'admin') on Web Appl ... show more Performed brute-force login attempts (>5 in 30s) using dictionary usernames (eg:'admin') on Web Application Portals of a public-facing Synology NAS (self-hosted domain presence for small business); sufficient to trigger IP auto-block on the host. show less	Brute-Force Web App Attack
🇦🇺 GE	2026-02-13 03:20:36 (4 months ago)	...	Port Scan
🇨🇳 ThreatBook.io	2026-02-12 23:38:22 (4 months ago)	2026-02-12 00:44:15 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd= ... show more 2026-02-12 00:44:15 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=abc123 2026-02-12 00:47:23 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=qwerty123 2026-02-12 01:06:03 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=Pass@1234 2026-02-12 00:57:55 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=Abcd@1234 2026-02-12 00:02:42 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=Admin@123 2026-02-12 01:49:10 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=123123123 show less	Web App Attack
Anonymous	2026-02-12 08:41:54 (4 months ago)	2026-02-12 02:08:28 SMTP protocol synchronization error \(input sent without waiting for greeting\): ... show more 2026-02-12 02:08:28 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=5.103.220.241.dhcp.fibianet.dk \[5.103.220.241\] input="GET //webapi/auth.cgi\?api=SYNO.API.Auth\&version=3\&method=login\&account=admin\&passwd=Asdf1234 HTTP/1.1\r\nHost: 162.212.158.192:2525\r\nUser-Agent: Mozilla" 2026-02-12 02:50:57 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=5.103.220.241.dhcp.fibianet.dk \[5.103.220.241\] input="GET //webapi/auth.cgi\?api=SYNO.API.Auth\&version=3\&method=login\&account=admin\&passwd=student HTTP/1.1\r\nHost: 162.212.158.192:2525\r\nUser-Agent: Mozilla/" 2026-02-12 03:41:52 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=5.103.220.241.dhcp.fibianet.dk \[5.103.220.241\] input="GET //webapi/auth.cgi\?api=SYNO.API.Auth\&version=3\&method=login\&account=admin\&passwd=cisco HTTP/1.1\r\nHost: 162.212.158.1 ... show less	Brute-Force
🇨🇳 ThreatBook.io	2026-02-11 23:07:46 (4 months ago)	2026-02-11 01:33:00 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd= ... show more 2026-02-11 01:33:00 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=123789 2026-02-11 01:03:22 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=nichole 2026-02-11 01:16:59 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=glitter 2026-02-11 01:07:06 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=bambam 2026-02-11 01:01:23 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=buttercup show less	Web App Attack
🇨🇳 ThreatBook.io	2026-02-10 23:19:39 (4 months ago)	2026-02-10 00:37:39 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd= ... show more 2026-02-10 00:37:39 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=nicholas 2026-02-10 02:02:03 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=qwertyuiop 2026-02-10 01:26:25 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=panget 2026-02-10 00:59:24 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=101010 2026-02-10 01:04:01 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=smokey show less	Web App Attack
🇺🇸 pixelmemory.us	2026-02-10 19:19:47 (4 months ago)	2026-02-10T08:49:45.164939-08:00 pixelmemory postfix/smtpd[464290]: improper command pipelining afte ... show more 2026-02-10T08:49:45.164939-08:00 pixelmemory postfix/smtpd[464290]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=gatito HTTP/1.1\r 2026-02-10T09:40:31.785899-08:00 pixelmemory postfix/smtpd[466178]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=zacefron HTTP/1. 2026-02-10T10:28:12.755246-08:00 pixelmemory postfix/smtpd[467843]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=nicolas HTTP/1.1 2026-02-10T11:19:46.677033-08:00 pixelmemory postfix/smtpd[470120]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version= ... show less	Email Spam Brute-Force
🇨🇳 ThreatBook.io	2026-02-09 23:11:04 (4 months ago)	2026-02-09 05:03:12 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd= ... show more 2026-02-09 05:03:12 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=123456789 2026-02-09 06:46:11 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=soccer 2026-02-09 06:07:46 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=ashley 2026-02-09 06:47:34 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=soccer 2026-02-09 04:55:05 //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=123456 show less	Web App Attack
🇺🇸 pixelmemory.us	2026-02-09 13:56:46 (4 months ago)	2026-02-08T17:06:31.298214-08:00 pixelmemory postfix/smtpd[341225]: improper command pipelining afte ... show more 2026-02-08T17:06:31.298214-08:00 pixelmemory postfix/smtpd[341225]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=tinkerbell HTTP/ 2026-02-08T17:42:50.378108-08:00 pixelmemory postfix/smtpd[343048]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=666666 HTTP/1.1\r 2026-02-08T21:05:13.093521-08:00 pixelmemory postfix/smtpd[353404]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=dancer HTTP/1.1\r 2026-02-09T05:56:45.085377-08:00 pixelmemory postfix/smtpd[373548]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version ... show less	Email Spam Brute-Force
🇩🇰 DutchDK	2026-02-06 08:11:00 (4 months ago)	[5.103.220.241] failed to sign in to [DSM] via [password] due to authorization failure.	Hacking Brute-Force Exploited Host Web App Attack
🇩🇪 sebi	2026-02-06 04:43:13 (4 months ago)	2026-02-06 04:20:57 SMTP call from 5.103.220.241.dhcp.fibianet.dk [5.103.220.241] dropped: too many ... show more 2026-02-06 04:20:57 SMTP call from 5.103.220.241.dhcp.fibianet.dk [5.103.220.241] dropped: too many unrecognized commands (last was "Content-Type: application/x-www-form-urlencoded") 2026-02-06 05:00:25 SMTP call from 5.103.220.241.dhcp.fibianet.dk [5.103.220.241] dropped: too many unrecognized commands (last was "Content-Type: application/x-www-form-urlencoded") 2026-02-06 05:43:12 SMTP call from 5.103.220.241.dhcp.fibianet.dk [5.103.220.241] dropped: too many unrecognized commands (last was "Content-Type: application/x-www-form-urlencoded") show less	Brute-Force
🇺🇸 pixelmemory.us	2026-02-06 04:28:42 (4 months ago)	2026-02-05T13:18:44.952249-08:00 pixelmemory postfix/smtpd[65307]: improper command pipelining after ... show more 2026-02-05T13:18:44.952249-08:00 pixelmemory postfix/smtpd[65307]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=111111 HTTP/1.1\r 2026-02-05T13:48:48.537543-08:00 pixelmemory postfix/smtpd[68107]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=654321 HTTP/1.1\r 2026-02-05T19:20:53.850871-08:00 pixelmemory postfix/smtpd[103591]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=Passw0rd HTTP/1. 2026-02-05T20:28:42.005628-08:00 pixelmemory postfix/smtpd[108665]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version=3 ... show less	Email Spam Brute-Force
🇩🇪 sebi	2026-02-06 00:56:43 (4 months ago)	2026-02-05 23:54:32 SMTP call from 5.103.220.241.dhcp.fibianet.dk [5.103.220.241] dropped: too many ... show more 2026-02-05 23:54:32 SMTP call from 5.103.220.241.dhcp.fibianet.dk [5.103.220.241] dropped: too many unrecognized commands (last was "Content-Type: application/x-www-form-urlencoded") 2026-02-06 01:28:19 SMTP call from 5.103.220.241.dhcp.fibianet.dk [5.103.220.241] dropped: too many unrecognized commands (last was "Content-Type: application/x-www-form-urlencoded") 2026-02-06 01:56:43 SMTP call from 5.103.220.241.dhcp.fibianet.dk [5.103.220.241] dropped: too many unrecognized commands (last was "Content-Type: application/x-www-form-urlencoded") show less	Brute-Force
🇬🇧 yvoictra	2026-02-05 21:48:51 (4 months ago)	2026-02-05T22:22:09.235176+01:00 nirox postfix/smtpd[31100]: improper command pipelining after CONNE ... show more 2026-02-05T22:22:09.235176+01:00 nirox postfix/smtpd[31100]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=12345678910 HTTP 2026-02-05T22:45:33.267304+01:00 nirox postfix/smtpd[31685]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=102030 HTTP/1.1\r 2026-02-05T22:48:50.652571+01:00 nirox postfix/smtpd[31702]: improper command pipelining after CONNECT from 5.103.220.241.dhcp.fibianet.dk[5.103.220.241]: GET //webapi/auth.cgi?api=SYNO.API.Auth&version=3&method=login&account=admin&passwd=654321 HTTP/1.1\r ... show less	Email Spam Brute-Force

Showing 1 to 15 of 20 reports

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