Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: unknown

Region: unknown

Country: China

Internet Service Provider: Henan Telcom Union Technology Co. Ltd

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackbotsspam
Nov 21 01:58:01 server sshd\[3484\]: Invalid user ngrc from 42.51.194.4
Nov 21 01:58:01 server sshd\[3484\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.194.4 
Nov 21 01:58:02 server sshd\[3484\]: Failed password for invalid user ngrc from 42.51.194.4 port 39830 ssh2
Nov 21 02:06:59 server sshd\[5946\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.194.4  user=root
Nov 21 02:07:01 server sshd\[5946\]: Failed password for root from 42.51.194.4 port 38762 ssh2
...
2019-11-21 07:38:27
attackspam
Nov 18 18:02:48 MK-Soft-VM8 sshd[3441]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.194.4 
Nov 18 18:02:50 MK-Soft-VM8 sshd[3441]: Failed password for invalid user webadmin from 42.51.194.4 port 53503 ssh2
...
2019-11-19 01:06:58
attackbots
Nov  9 10:22:29 fr01 sshd[4380]: Invalid user p@ssw0rd from 42.51.194.4
Nov  9 10:22:29 fr01 sshd[4380]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.194.4
Nov  9 10:22:29 fr01 sshd[4380]: Invalid user p@ssw0rd from 42.51.194.4
Nov  9 10:22:30 fr01 sshd[4380]: Failed password for invalid user p@ssw0rd from 42.51.194.4 port 47203 ssh2
...
2019-11-09 19:38:15
attack
Oct 23 01:43:16 server sshd\[29595\]: Invalid user long from 42.51.194.4 port 32908
Oct 23 01:43:16 server sshd\[29595\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.194.4
Oct 23 01:43:19 server sshd\[29595\]: Failed password for invalid user long from 42.51.194.4 port 32908 ssh2
Oct 23 01:47:59 server sshd\[2979\]: User root from 42.51.194.4 not allowed because listed in DenyUsers
Oct 23 01:47:59 server sshd\[2979\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.194.4  user=root
2019-10-23 06:51:22
attackspambots
$f2bV_matches
2019-10-22 01:29:23
Comments on same subnet:
IP Type Details Datetime
42.51.194.15 attackspam
Dec  5 17:40:18 reporting2 sshd[12581]: reveeclipse mapping checking getaddrinfo for idc.ly.ha [42.51.194.15] failed - POSSIBLE BREAK-IN ATTEMPT!
Dec  5 17:40:18 reporting2 sshd[12581]: User r.r from 42.51.194.15 not allowed because not listed in AllowUsers
Dec  5 17:40:18 reporting2 sshd[12581]: Failed password for invalid user r.r from 42.51.194.15 port 1244 ssh2
Dec  5 17:40:19 reporting2 sshd[12581]: Failed password for invalid user r.r from 42.51.194.15 port 1244 ssh2
Dec  5 17:40:19 reporting2 sshd[12581]: Failed password for invalid user r.r from 42.51.194.15 port 1244 ssh2
Dec  5 17:40:20 reporting2 sshd[12581]: Failed password for invalid user r.r from 42.51.194.15 port 1244 ssh2
Dec  5 17:40:21 reporting2 sshd[12581]: Failed password for invalid user r.r from 42.51.194.15 port 1244 ssh2
Dec  5 17:40:25 reporting2 sshd[12638]:
.... truncated .... 
539]: User r.r from 42.51.194.15 not allowed because not listed in AllowUsers
Dec  5 18:22:17 reporting2 sshd[3539]........
-------------------------------
2019-12-06 19:10:30
42.51.194.35 attack
Unauthorized connection attempt from IP address 42.51.194.35 on Port 3306(MYSQL)
2019-09-29 22:26:34
42.51.194.35 attackspam
Unauthorized connection attempt from IP address 42.51.194.35 on Port 3306(MYSQL)
2019-09-23 15:01:44
42.51.194.35 attack
09/15/2019-19:22:10.539826 42.51.194.35 Protocol: 6 ET SCAN Suspicious inbound to mySQL port 3306
2019-09-16 07:33:53
42.51.194.35 attackspam
Unauthorized connection attempt from IP address 42.51.194.35 on Port 3306(MYSQL)
2019-09-15 22:07:14
42.51.194.55 attack
Sep  5 15:24:16 hostnameproxy sshd[26462]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.194.55  user=r.r
Sep  5 15:24:18 hostnameproxy sshd[26462]: Failed password for r.r from 42.51.194.55 port 1428 ssh2
Sep  5 15:24:20 hostnameproxy sshd[26462]: Failed password for r.r from 42.51.194.55 port 1428 ssh2
Sep  5 15:24:23 hostnameproxy sshd[26462]: Failed password for r.r from 42.51.194.55 port 1428 ssh2
Sep  5 15:24:26 hostnameproxy sshd[26462]: Failed password for r.r from 42.51.194.55 port 1428 ssh2
Sep  5 15:24:28 hostnameproxy sshd[26462]: Failed password for r.r from 42.51.194.55 port 1428 ssh2
Sep  5 15:24:32 hostnameproxy sshd[26466]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.194.55  user=r.r
Sep  5 15:24:34 hostnameproxy sshd[26466]: Failed password for r.r from 42.51.194.55 port 3584 ssh2
Sep  5 15:24:36 hostnameproxy sshd[26466]: Failed password for r.r from 42.51........
------------------------------
2019-09-06 11:35:10
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 42.51.194.4
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10529
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;42.51.194.4.			IN	A

;; AUTHORITY SECTION:
.			343	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019102100 1800 900 604800 86400

;; Query time: 54 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Oct 22 01:29:20 CST 2019
;; MSG SIZE  rcvd: 115
Host info
4.194.51.42.in-addr.arpa domain name pointer idc.ly.ha.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
4.194.51.42.in-addr.arpa	name = idc.ly.ha.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
59.124.90.112 attackbotsspam
2020-08-28T20:04:40.711257cyberdyne sshd[1785595]: Failed password for invalid user admin from 59.124.90.112 port 34558 ssh2
2020-08-28T20:08:11.064859cyberdyne sshd[1786425]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.124.90.112  user=root
2020-08-28T20:08:13.007843cyberdyne sshd[1786425]: Failed password for root from 59.124.90.112 port 56745 ssh2
2020-08-28T20:10:40.045267cyberdyne sshd[1787196]: Invalid user cm from 59.124.90.112 port 48923
...
2020-08-29 03:48:56
157.230.53.57 attack
 TCP (SYN) 157.230.53.57:56881 -> port 1432, len 44
2020-08-29 04:05:37
77.247.178.88 attackspam
[2020-08-28 10:56:24] NOTICE[1185][C-00007dce] chan_sip.c: Call from '' (77.247.178.88:50077) to extension '++++70046812420187' rejected because extension not found in context 'public'.
[2020-08-28 10:56:24] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-28T10:56:24.333-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="++++70046812420187",SessionID="0x7f10c4286a78",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.178.88/50077",ACLName="no_extension_match"
[2020-08-28 10:56:54] NOTICE[1185][C-00007dcf] chan_sip.c: Call from '' (77.247.178.88:53876) to extension '+++70046812420187' rejected because extension not found in context 'public'.
[2020-08-28 10:56:54] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-28T10:56:54.611-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="+++70046812420187",SessionID="0x7f10c416cce8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress=
...
2020-08-29 04:00:33
64.227.113.179 attack
(mod_security) mod_security (id:210492) triggered by 64.227.113.179 (DE/Germany/-): 5 in the last 3600 secs
2020-08-29 04:27:57
106.51.53.43 attackspam
Unauthorized connection attempt from IP address 106.51.53.43 on Port 445(SMB)
2020-08-29 04:24:25
81.68.85.198 attackspambots
Multiple SSH authentication failures from 81.68.85.198
2020-08-29 04:26:16
212.98.97.152 attackspam
sshd jail - ssh hack attempt
2020-08-29 03:56:18
62.87.178.250 attack
scammer bastard

Fri Aug 28 @ 7:58pm
SPAM[block_rbl_lists (spam.spamrats.com)]
62.87.178.250
bmw@e7.pl
2020-08-29 04:10:00
111.93.200.50 attackbotsspam
Repeated brute force against a port
2020-08-29 04:00:53
103.114.221.16 attack
2020-08-28T18:57:20.325421abusebot-6.cloudsearch.cf sshd[16231]: Invalid user test5 from 103.114.221.16 port 46634
2020-08-28T18:57:20.332218abusebot-6.cloudsearch.cf sshd[16231]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.114.221.16
2020-08-28T18:57:20.325421abusebot-6.cloudsearch.cf sshd[16231]: Invalid user test5 from 103.114.221.16 port 46634
2020-08-28T18:57:22.786560abusebot-6.cloudsearch.cf sshd[16231]: Failed password for invalid user test5 from 103.114.221.16 port 46634 ssh2
2020-08-28T19:01:20.862037abusebot-6.cloudsearch.cf sshd[16367]: Invalid user shiny from 103.114.221.16 port 53804
2020-08-28T19:01:20.868849abusebot-6.cloudsearch.cf sshd[16367]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.114.221.16
2020-08-28T19:01:20.862037abusebot-6.cloudsearch.cf sshd[16367]: Invalid user shiny from 103.114.221.16 port 53804
2020-08-28T19:01:22.936828abusebot-6.cloudsearch.cf sshd[16367]:
...
2020-08-29 04:03:53
37.59.123.166 attack
Aug 28 18:31:38 XXX sshd[58907]: Invalid user noc from 37.59.123.166 port 45166
2020-08-29 03:51:42
2401:7000:d85d:3500:d161:5483:5d6a:d99 attackspambots
Aug 28 14:01:54 lavrea wordpress(quiquetieva.com)[49197]: Authentication attempt for unknown user quique-tieva from 2401:7000:d85d:3500:d161:5483:5d6a:d99
...
2020-08-29 03:49:23
84.2.139.224 attackbotsspam
IP 84.2.139.224 attacked honeypot on port: 81 at 8/28/2020 5:01:24 AM
2020-08-29 04:15:57
188.166.153.212 attackspam
9988/tcp 9850/tcp 5555/tcp...
[2020-07-04/08-28]44pkt,18pt.(tcp)
2020-08-29 03:50:06
175.123.253.220 attack
2020-08-28T09:59:20.5333181495-001 sshd[11383]: Invalid user aman from 175.123.253.220 port 50312
2020-08-28T09:59:20.5368611495-001 sshd[11383]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.123.253.220
2020-08-28T09:59:20.5333181495-001 sshd[11383]: Invalid user aman from 175.123.253.220 port 50312
2020-08-28T09:59:22.3763691495-001 sshd[11383]: Failed password for invalid user aman from 175.123.253.220 port 50312 ssh2
2020-08-28T10:04:09.6490731495-001 sshd[11783]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.123.253.220  user=root
2020-08-28T10:04:11.4983871495-001 sshd[11783]: Failed password for root from 175.123.253.220 port 56536 ssh2
...
2020-08-29 04:21:55

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