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 <<>> 121.57.253.42
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28105
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.57.253.42.			IN	A

;; AUTHORITY SECTION:
.			350	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022020700 1800 900 604800 86400

;; Query time: 108 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 07 21:11:42 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 42.253.57.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 42.253.57.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
51.38.238.205 attackspam
Jul  8 15:06:09 OPSO sshd\[31025\]: Invalid user joie from 51.38.238.205 port 51721
Jul  8 15:06:09 OPSO sshd\[31025\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.238.205
Jul  8 15:06:11 OPSO sshd\[31025\]: Failed password for invalid user joie from 51.38.238.205 port 51721 ssh2
Jul  8 15:09:26 OPSO sshd\[31345\]: Invalid user aulii from 51.38.238.205 port 50542
Jul  8 15:09:26 OPSO sshd\[31345\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.238.205
2020-07-08 23:41:14
5.0.122.68 attack
Unauthorized connection attempt from IP address 5.0.122.68 on Port 445(SMB)
2020-07-08 23:46:26
180.242.239.1 attackbotsspam
445/tcp 445/tcp 445/tcp
[2020-07-06]3pkt
2020-07-08 23:44:42
177.206.217.34 attack
IP 177.206.217.34 attacked honeypot on port: 5000 at 7/8/2020 4:46:42 AM
2020-07-08 23:12:44
41.230.98.78 attack
Unauthorized connection attempt from IP address 41.230.98.78 on Port 445(SMB)
2020-07-08 23:52:49
162.243.141.131 attackbotsspam
[Fri Jun 12 15:58:11 2020] - DDoS Attack From IP: 162.243.141.131 Port: 36986
2020-07-08 23:11:43
104.140.99.59 attack
Jul  8 05:53:04 our-server-hostname postfix/smtpd[12481]: connect from unknown[104.140.99.59]
Jul  8 05:53:06 our-server-hostname sqlgrey: grey: new: 104.140.99.59(104.140.99.59), x@x -> x@x
Jul x@x
Jul x@x
Jul x@x
Jul  8 05:53:21 our-server-hostname postfix/smtpd[12481]: disconnect from unknown[104.140.99.59]
Jul  8 05:53:46 our-server-hostname postfix/smtpd[12769]: connect from unknown[104.140.99.59]
Jul  8 05:55:27 our-server-hostname postfix/smtpd[12770]: connect from unknown[104.140.99.59]
Jul x@x
Jul x@x
Jul  8 05:55:38 our-server-hostname postfix/smtpd[12770]: 34226A40005: client=unknown[104.140.99.59]
Jul  8 05:55:55 our-server-hostname postfix/smtpd[11549]: 8DBCAA40008: client=unknown[127.0.0.1], orig_client=unknown[104.140.99.59]
Jul  8 05:55:55 our-server-hostname amavis[28214]: (28214-18) Passed CLEAN, [104.140.99.59] [104.140.99.59] , mail_id: UCOs0W1Dnu5S, Hhostnames: -, size: 17309, queued_as: 8DBCAA40008, 139 ms
Jul x@x
Jul x@x
Jul  8 05:55:55 our-s........
-------------------------------
2020-07-08 23:24:07
162.158.186.246 attackbots
8443/tcp 8080/tcp...
[2020-06-04/07-08]8pkt,2pt.(tcp)
2020-07-08 23:13:07
106.75.152.124 attack
[Thu Jun 11 09:49:58 2020] - DDoS Attack From IP: 106.75.152.124 Port: 58914
2020-07-08 23:31:30
192.241.225.20 attack
MultiHost/MultiPort Probe, Scan, Hack -
2020-07-08 23:22:23
124.158.10.190 attack
2020-07-08T14:36:25.197390dmca.cloudsearch.cf sshd[22977]: Invalid user female from 124.158.10.190 port 50260
2020-07-08T14:36:25.202982dmca.cloudsearch.cf sshd[22977]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=mail.datafirst.vn
2020-07-08T14:36:25.197390dmca.cloudsearch.cf sshd[22977]: Invalid user female from 124.158.10.190 port 50260
2020-07-08T14:36:26.857305dmca.cloudsearch.cf sshd[22977]: Failed password for invalid user female from 124.158.10.190 port 50260 ssh2
2020-07-08T14:40:15.679770dmca.cloudsearch.cf sshd[23031]: Invalid user bu from 124.158.10.190 port 48770
2020-07-08T14:40:15.685459dmca.cloudsearch.cf sshd[23031]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=mail.datafirst.vn
2020-07-08T14:40:15.679770dmca.cloudsearch.cf sshd[23031]: Invalid user bu from 124.158.10.190 port 48770
2020-07-08T14:40:17.914501dmca.cloudsearch.cf sshd[23031]: Failed password for invalid user bu from 124
...
2020-07-08 23:06:25
218.92.0.224 attack
Jul  8 17:08:28 abendstille sshd\[7461\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.224  user=root
Jul  8 17:08:30 abendstille sshd\[7461\]: Failed password for root from 218.92.0.224 port 61609 ssh2
Jul  8 17:08:32 abendstille sshd\[7751\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.224  user=root
Jul  8 17:08:33 abendstille sshd\[7461\]: Failed password for root from 218.92.0.224 port 61609 ssh2
Jul  8 17:08:33 abendstille sshd\[7751\]: Failed password for root from 218.92.0.224 port 49805 ssh2
...
2020-07-08 23:16:16
62.29.98.153 attackspambots
Automatic report - Port Scan Attack
2020-07-08 23:17:17
95.216.191.245 attackbotsspam
2020-07-08T13:14:46.383919mail.csmailer.org sshd[18665]: Failed password for mail from 95.216.191.245 port 40218 ssh2
2020-07-08T13:18:19.164444mail.csmailer.org sshd[18851]: Invalid user panrui from 95.216.191.245 port 40958
2020-07-08T13:18:19.168027mail.csmailer.org sshd[18851]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=static.245.191.216.95.clients.your-server.de
2020-07-08T13:18:19.164444mail.csmailer.org sshd[18851]: Invalid user panrui from 95.216.191.245 port 40958
2020-07-08T13:18:21.183427mail.csmailer.org sshd[18851]: Failed password for invalid user panrui from 95.216.191.245 port 40958 ssh2
...
2020-07-08 23:47:30
180.76.174.95 attackbots
(sshd) Failed SSH login from 180.76.174.95 (CN/China/-): 5 in the last 3600 secs
2020-07-08 23:23:26

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