AbuseIPDB » 51.11.181.92

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51.11.181.92 was found in our database!

This IP was reported 148 times. Confidence of Abuse is 57%: ?

57%

ISP	Microsoft Limited
Usage Type	Data Center/Web Hosting/Transit
Domain Name	microsoft.com
Country	United Kingdom of Great Britain and Northern Ireland
City	London, England

IP info including ISP, Usage Type, and Location provided by IP2Location. Updated monthly.

Report 51.11.181.92

Whois 51.11.181.92

IP Abuse Reports for 51.11.181.92:

This IP address has been reported a total of 148 times from 23 distinct sources. 51.11.181.92 was first reported on December 30th 2022, and the most recent report was 2 weeks ago.

Old Reports: The most recent abuse report for this IP address is from 2 weeks ago. It is possible that this IP is no longer involved in abusive activities.

Reporter	Date	Comment	Categories
Inaxas AG	10 Mar 2023	Inaxas Security for Asterisk banned IP after port scan/brute force register on Port 5060. Il ... show moreInaxas Security for Asterisk banned IP after port scan/brute force register on Port 5060. Ilegitimate register attempt: 2 times between: 28/02/2023 - 04:14 and 28/02/2023 - 04:23. Unauthorized dial attempt: 1 times between: 28/02/2023 - 04:24 and 28/02/2023 - 04:24. show less	Fraud VoIP Port Scan Brute-Force
Aidar Kamalov	06 Mar 2023	Mar 6 18:31:49 unionbank-sip-ulap-net /usr/sbin/kamailio[23434]: NOTICE: {REGISTER 1 1 REGISTER e5f ... show moreMar 6 18:31:49 unionbank-sip-ulap-net /usr/sbin/kamailio[23434]: NOTICE: {REGISTER 1 1 REGISTER e5f4a995856285e4f7a23} <script>: AUTH: REGISTER FAILED from 51.11.181.92 (code: -5) fd=103.150.202.44, adu=<null>, aa=<null>, ar=<null>, au=<null>, ad=<null>, aU=<null>, [email protected] ... show less	Fraud VoIP
Aidar Kamalov	06 Mar 2023	Mar 6 17:27:24 sydney-sip-ulap-net /usr/sbin/kamailio[689921]: NOTICE: {REGISTER 1 1 REGISTER e5f4a ... show moreMar 6 17:27:24 sydney-sip-ulap-net /usr/sbin/kamailio[689921]: NOTICE: {REGISTER 1 1 REGISTER e5f4a941109219e4f7a222} <script>: AUTH: REGISTER FAILED from 51.11.181.92 (code: -5) fd=192.9.164.107, adu=<null>, aa=<null>, ar=<null>, au=<null>, ad=<null>, aU=<null>, [email protected] ... show less	Fraud VoIP
YanSolo74	06 Mar 2023	SIP	Fraud VoIP Brute-Force
6GNet.pl	06 Mar 2023	[2023-03-06 03:09:41] SECURITY[6702] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="20 ... show more[2023-03-06 03:09:41] SECURITY[6702] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2023-03-06T03:09:41.077+0100",Severity="Error",Service="SIP",EventVersion="2",AccountID="218",SessionID="0x7fb49c2e0680",LocalAddress="IPV4/UDP/64.18.129.55/5060",RemoteAddress="IPV4/UDP/51.11.181.92/58591",Challenge="55020e59",ReceivedChallenge="55020e59",ReceivedHash="c9beee32f7ee4840b4b482419db80637" [2023-03-06 03:11:41] SECURITY[6702] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2023-03-06T03:11:41.125+0100",Severity="Error",Service="SIP",EventVersion="2",AccountID="218",SessionID="0x7fb49d339990",LocalAddress="IPV4/UDP/64.18.129.55/5060",RemoteAddress="IPV4/UDP/51.11.181.92/56335",Challenge="7aea1feb",ReceivedChallenge="7aea1feb",ReceivedHash="e2b4cd42f735afc842ecedaceefc03ac" [2023-03-06 03:16:51] SECURITY[6702] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2023-03-06T03:16:51.076+0100",Severity="Error",Service="SIP",EventVersion="2",AccountID="219",Se ... show less	Fraud VoIP Brute-Force
kuj	06 Mar 2023	VoIP Brute Force Attack	Fraud VoIP Brute-Force
MindSolve	06 Mar 2023	2023-03-06 02:53:08.268565 [WARNING] sofia_reg.c:2935 Can't find user [[email protected]] fro ... show more2023-03-06 02:53:08.268565 [WARNING] sofia_reg.c:2935 Can't find user [[email protected]] from 51.11.181.92 show less	Fraud VoIP Hacking Brute-Force
Inaxas AG	05 Mar 2023	Inaxas Security for Asterisk banned IP after port scan/brute force register on Port 5060. Il ... show moreInaxas Security for Asterisk banned IP after port scan/brute force register on Port 5060. Ilegitimate register attempt: 2 times between: 05/03/2023 - 12:51 and 05/03/2023 - 12:59. Unauthorized dial attempt: 1 times between: 05/03/2023 - 12:52 and 05/03/2023 - 12:52. show less	Fraud VoIP Port Scan Brute-Force
Aidar Kamalov	05 Mar 2023	Mar 5 11:13:34 hkbn-sip-ulap-net /usr/sbin/kamailio[3058351]: NOTICE: {REGISTER 1 1 REGISTER e5f4a3 ... show moreMar 5 11:13:34 hkbn-sip-ulap-net /usr/sbin/kamailio[3058351]: NOTICE: {REGISTER 1 1 REGISTER e5f4a381702579e4f7a24} <script>: AUTH: REGISTER FAILED from 51.11.181.92 (code: -5) fd=14.198.176.185, adu=<null>, aa=<null>, ar=<null>, au=<null>, ad=<null>, aU=<null>, [email protected] ... show less	Fraud VoIP
Aidar Kamalov	05 Mar 2023	Mar 5 09:26:48 sydney-sip-ulap-net /usr/sbin/kamailio[689920]: NOTICE: {REGISTER 1 1 REGISTER e5f4a ... show moreMar 5 09:26:48 sydney-sip-ulap-net /usr/sbin/kamailio[689920]: NOTICE: {REGISTER 1 1 REGISTER e5f4a849229211e4f7a227} <script>: AUTH: REGISTER FAILED from 51.11.181.92 (code: -5) fd=192.9.164.107, adu=<null>, aa=<null>, ar=<null>, au=<null>, ad=<null>, aU=<null>, [email protected] ... show less	Fraud VoIP
6GNet.pl	05 Mar 2023	[2023-03-05 02:55:47] SECURITY[6702] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="20 ... show more[2023-03-05 02:55:47] SECURITY[6702] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2023-03-05T02:55:47.598+0100",Severity="Error",Service="SIP",EventVersion="2",AccountID="237",SessionID="0x7fb49c04f330",LocalAddress="IPV4/UDP/64.18.129.55/5060",RemoteAddress="IPV4/UDP/51.11.181.92/58456",Challenge="7421c346",ReceivedChallenge="7421c346",ReceivedHash="75d844409e245fb5a4607d5b08b07548" [2023-03-05 02:59:59] SECURITY[6702] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2023-03-05T02:59:59.100+0100",Severity="Error",Service="SIP",EventVersion="2",AccountID="238",SessionID="0x7fb49c2e0680",LocalAddress="IPV4/UDP/64.18.129.55/5060",RemoteAddress="IPV4/UDP/51.11.181.92/55240",Challenge="49c60103",ReceivedChallenge="49c60103",ReceivedHash="5f471e141279448fb42244681ae98a65" [2023-03-05 03:02:04] SECURITY[6702] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2023-03-05T03:02:04.681+0100",Severity="Error",Service="SIP",EventVersion="2",AccountID="238",Se ... show less	Fraud VoIP Brute-Force
kuj	05 Mar 2023	VoIP Brute Force Attack	Fraud VoIP Brute-Force
MindSolve	05 Mar 2023	2023-03-05 02:52:33.628555 [WARNING] sofia_reg.c:1798 SIP auth challenge (REGISTER) on sofia profile ... show more2023-03-05 02:52:33.628555 [WARNING] sofia_reg.c:1798 SIP auth challenge (REGISTER) on sofia profile 'internal' for [[email protected]] from ip 51.11.181.92 show less	Fraud VoIP Hacking Brute-Force
Anonymous	04 Mar 2023	2023-03-03 21:02:52,802 fail2ban.actions\[2434\]: WARNING \[asterisk-iptables\] Ban 51.11.181.922023 ... show more2023-03-03 21:02:52,802 fail2ban.actions\[2434\]: WARNING \[asterisk-iptables\] Ban 51.11.181.922023-03-03 23:16:34,439 fail2ban.actions\[2434\]: WARNING \[asterisk-iptables\] Ban 51.11.181.922023-03-04 01:36:38,139 fail2ban.actions\[2434\]: WARNING \[asterisk-iptables\] Ban 51.11.181.922023-03-04 03:51:23,636 fail2ban.actions\[2434\]: WARNING \[asterisk-iptables\] Ban 51.11.181.922023-03-04 06:07:52,085 fail2ban.actions\[2434\]: WARNING \[asterisk-iptables\] Ban 51.11.181.922023-03-04 08:24:04,535 fail2ban.actions\[2434\]: WARNING \[asterisk-iptables\] Ban 51.11.181.922023-03-04 10:41:39,819 fail2ban.actions\[2434\]: WARNING \[asterisk-iptables\] Ban 51.11.181.922023-03-04 13:01:35,219 fail2ban.actions\[2434\]: WARNING \[asterisk-iptables\] Ban 51.11.181.922023-03-04 15:15:49,425 fail2ban.actions\[2434\]: WARNING \[asterisk-iptables\] Ban 51.11.181.92 ... show less	Fraud VoIP Brute-Force SSH
Aidar Kamalov	04 Mar 2023	Mar 4 17:26:10 sydney-sip-ulap-net /usr/sbin/kamailio[689917]: NOTICE: {REGISTER 1 1 REGISTER e5f4a ... show moreMar 4 17:26:10 sydney-sip-ulap-net /usr/sbin/kamailio[689917]: NOTICE: {REGISTER 1 1 REGISTER e5f4a326973431e4f7a239} <script>: AUTH: REGISTER FAILED from 51.11.181.92 (code: -5) fd=192.9.164.107, adu=<null>, aa=<null>, ar=<null>, au=<null>, ad=<null>, aU=<null>, [email protected] Mar 4 17:26:10 sydney-sip-ulap-net /usr/sbin/kamailio[689915]: NOTICE: {REGISTER 1 2 REGISTER e5f4a326973431e4f7a239} <script>: AUTH: REGISTER FAILED from 51.11.181.92 (code: -3) fd=192.9.164.107, adu=sip:192.9.164.107:5060, aa=MD5, ar=192.9.164.107, au=239, ad=, aU=239, [email protected] Mar 4 17:26:10 sydney-sip-ulap-net /usr/sbin/kamailio[689915]: NOTICE: {REGISTER 1 2 REGISTER e5f4a326973431e4f7a239} <script>: AUTH: REGISTER FAILED from 51.11.181.92 (code: -3) fd=192.9.164.107, adu=sip:192.9.164.107:5060, aa=MD5, ar=192.9.164.107, au=239, ad=, aU=239, [email protected] ... show less	Fraud VoIP