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: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 47.121.39.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50074
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;47.121.39.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021701 1800 900 604800 86400

;; Query time: 11 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 18 13:18:53 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 21.39.121.47.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.39.121.47.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
111.231.237.245 attackspam
Nov 20 22:33:56 venus sshd\[5886\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.237.245  user=root
Nov 20 22:33:58 venus sshd\[5886\]: Failed password for root from 111.231.237.245 port 50303 ssh2
Nov 20 22:37:56 venus sshd\[5928\]: Invalid user hellberg from 111.231.237.245 port 58775
Nov 20 22:37:56 venus sshd\[5928\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.237.245
...
2019-11-21 07:21:30
185.216.140.52 attackspam
[Thu Nov 21 05:37:42.245461 2019] [:error] [pid 19368:tid 140678164018944] [client 185.216.140.52:55027] [client 185.216.140.52] ModSecurity: Access denied with code 403 (phase 1). Match of "within %{tx.allowed_http_versions}" against "REQUEST_PROTOCOL" required. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "972"] [id "920430"] [msg "HTTP protocol version is not allowed by policy"] [data "HTTP/1.0"] [severity "CRITICAL"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "OWASP_CRS"] [tag "OWASP_CRS/POLICY/PROTOCOL_NOT_ALLOWED"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A6"] [tag "PCI/6.5.10"] [hostname "karangploso.jatim.bmkg.go.id"] [uri "/"] [unique_id "XdXANj2XASevjD4sCTH2pgAAABg"]
...
2019-11-21 07:29:54
202.83.172.249 attack
F2B jail: sshd. Time: 2019-11-21 00:43:14, Reported by: VKReport
2019-11-21 07:43:56
95.227.48.109 attack
Nov 20 18:11:50 ny01 sshd[27753]: Failed password for root from 95.227.48.109 port 50927 ssh2
Nov 20 18:18:06 ny01 sshd[28350]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.227.48.109
Nov 20 18:18:09 ny01 sshd[28350]: Failed password for invalid user ndaniels from 95.227.48.109 port 55482 ssh2
2019-11-21 07:32:34
106.13.135.156 attack
Nov 20 19:32:56 ldap01vmsma01 sshd[12738]: Failed password for root from 106.13.135.156 port 40130 ssh2
...
2019-11-21 07:28:19
145.239.23.8 attack
Nov 20 23:03:51 hcbbdb sshd\[1858\]: Invalid user mhang from 145.239.23.8
Nov 20 23:03:51 hcbbdb sshd\[1858\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip8.ip-145-239-23.eu
Nov 20 23:03:53 hcbbdb sshd\[1858\]: Failed password for invalid user mhang from 145.239.23.8 port 37234 ssh2
Nov 20 23:07:28 hcbbdb sshd\[2220\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip8.ip-145-239-23.eu  user=www-data
Nov 20 23:07:31 hcbbdb sshd\[2220\]: Failed password for www-data from 145.239.23.8 port 46082 ssh2
2019-11-21 07:21:14
222.186.180.6 attackspam
Nov 21 00:11:05 srv-ubuntu-dev3 sshd[82046]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.6  user=root
Nov 21 00:11:07 srv-ubuntu-dev3 sshd[82046]: Failed password for root from 222.186.180.6 port 51512 ssh2
Nov 21 00:11:21 srv-ubuntu-dev3 sshd[82046]: error: maximum authentication attempts exceeded for root from 222.186.180.6 port 51512 ssh2 [preauth]
Nov 21 00:11:05 srv-ubuntu-dev3 sshd[82046]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.6  user=root
Nov 21 00:11:07 srv-ubuntu-dev3 sshd[82046]: Failed password for root from 222.186.180.6 port 51512 ssh2
Nov 21 00:11:21 srv-ubuntu-dev3 sshd[82046]: error: maximum authentication attempts exceeded for root from 222.186.180.6 port 51512 ssh2 [preauth]
Nov 21 00:11:05 srv-ubuntu-dev3 sshd[82046]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.6  user=root
Nov 21 00:11:07 srv-ub
...
2019-11-21 07:19:13
52.187.17.107 attackbots
2019-11-20T22:37:31.771146abusebot-4.cloudsearch.cf sshd\[29787\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.187.17.107  user=root
2019-11-21 07:37:43
197.251.207.20 attackspambots
Nov 20 23:37:57 [host] sshd[18358]: Invalid user ranz from 197.251.207.20
Nov 20 23:37:57 [host] sshd[18358]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.251.207.20
Nov 20 23:37:59 [host] sshd[18358]: Failed password for invalid user ranz from 197.251.207.20 port 59316 ssh2
2019-11-21 07:18:10
50.7.232.154 attackspam
CloudCIX Reconnaissance Scan Detected, PTR: PTR record not found
2019-11-21 07:43:09
207.154.206.212 attackspambots
2019-11-20T23:07:53.478269abusebot-5.cloudsearch.cf sshd\[13740\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.154.206.212  user=root
2019-11-21 07:28:45
129.213.24.14 attack
web-1 [ssh] SSH Attack
2019-11-21 07:21:51
51.68.115.235 attackbots
2019-11-20T23:38:03.068719abusebot-2.cloudsearch.cf sshd\[32108\]: Invalid user backup from 51.68.115.235 port 52671
2019-11-21 07:49:23
109.194.17.176 attackbotsspam
port scan and connect, tcp 1433 (ms-sql-s)
2019-11-21 07:35:13
146.0.72.188 attackspam
CloudCIX Reconnaissance Scan Detected, PTR: PTR record not found
2019-11-21 07:34:53

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