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: Germany

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 <<>> 53.136.4.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 7011
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;53.136.4.21.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025062501 1800 900 604800 86400

;; Query time: 39 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Jun 26 11:03:28 CST 2025
;; MSG SIZE  rcvd: 104
Host info
Host 21.4.136.53.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.4.136.53.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.88.112.63 attackspambots
2019-12-18T07:07:08.868630vps751288.ovh.net sshd\[15307\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.63  user=root
2019-12-18T07:07:10.892107vps751288.ovh.net sshd\[15307\]: Failed password for root from 49.88.112.63 port 23011 ssh2
2019-12-18T07:07:13.707846vps751288.ovh.net sshd\[15307\]: Failed password for root from 49.88.112.63 port 23011 ssh2
2019-12-18T07:07:16.794776vps751288.ovh.net sshd\[15307\]: Failed password for root from 49.88.112.63 port 23011 ssh2
2019-12-18T07:07:20.087077vps751288.ovh.net sshd\[15307\]: Failed password for root from 49.88.112.63 port 23011 ssh2
2019-12-18 14:21:00
79.137.116.6 attackspam
Brute-force attempt banned
2019-12-18 14:59:30
3.209.83.101 attackspambots
Port scan on 1 port(s): 53
2019-12-18 14:24:37
76.125.54.10 attack
Dec 18 07:05:04 ns381471 sshd[6451]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.125.54.10
Dec 18 07:05:06 ns381471 sshd[6451]: Failed password for invalid user simini from 76.125.54.10 port 25618 ssh2
2019-12-18 14:18:35
92.222.83.143 attackspambots
--- report ---
Dec 18 02:13:09 sshd: Connection from 92.222.83.143 port 38928
Dec 18 02:13:10 sshd: Invalid user recruiting from 92.222.83.143
Dec 18 02:13:13 sshd: Failed password for invalid user recruiting from 92.222.83.143 port 38928 ssh2
Dec 18 02:13:13 sshd: Received disconnect from 92.222.83.143: 11: Bye Bye [preauth]
2019-12-18 14:12:46
165.22.61.82 attack
Dec 17 20:24:12 kapalua sshd\[945\]: Invalid user derek from 165.22.61.82
Dec 17 20:24:12 kapalua sshd\[945\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.61.82
Dec 17 20:24:14 kapalua sshd\[945\]: Failed password for invalid user derek from 165.22.61.82 port 58648 ssh2
Dec 17 20:30:14 kapalua sshd\[1773\]: Invalid user fake from 165.22.61.82
Dec 17 20:30:14 kapalua sshd\[1773\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.61.82
2019-12-18 14:55:36
107.170.235.19 attackbots
Dec 18 07:17:01 hell sshd[2267]: Failed password for bin from 107.170.235.19 port 60700 ssh2
...
2019-12-18 14:50:38
213.217.5.23 attack
Dec 18 06:25:39 yesfletchmain sshd\[16220\]: Invalid user kleimen from 213.217.5.23 port 37458
Dec 18 06:25:39 yesfletchmain sshd\[16220\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.217.5.23
Dec 18 06:25:41 yesfletchmain sshd\[16220\]: Failed password for invalid user kleimen from 213.217.5.23 port 37458 ssh2
Dec 18 06:30:37 yesfletchmain sshd\[16344\]: Invalid user www from 213.217.5.23 port 47806
Dec 18 06:30:37 yesfletchmain sshd\[16344\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.217.5.23
...
2019-12-18 14:44:22
106.12.190.104 attack
Dec 17 20:23:24 tdfoods sshd\[19695\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.190.104  user=root
Dec 17 20:23:26 tdfoods sshd\[19695\]: Failed password for root from 106.12.190.104 port 58368 ssh2
Dec 17 20:30:37 tdfoods sshd\[20345\]: Invalid user rpm from 106.12.190.104
Dec 17 20:30:37 tdfoods sshd\[20345\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.190.104
Dec 17 20:30:39 tdfoods sshd\[20345\]: Failed password for invalid user rpm from 106.12.190.104 port 53760 ssh2
2019-12-18 14:51:40
197.216.4.34 attackbotsspam
Dec 18 06:34:13 localhost sshd\[103975\]: Invalid user montsko from 197.216.4.34 port 45564
Dec 18 06:34:13 localhost sshd\[103975\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.216.4.34
Dec 18 06:34:15 localhost sshd\[103975\]: Failed password for invalid user montsko from 197.216.4.34 port 45564 ssh2
Dec 18 06:40:50 localhost sshd\[104300\]: Invalid user narasabah from 197.216.4.34 port 52640
Dec 18 06:40:50 localhost sshd\[104300\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.216.4.34
...
2019-12-18 14:41:57
106.13.106.46 attack
Dec 17 20:22:18 php1 sshd\[12339\]: Invalid user amarilis from 106.13.106.46
Dec 17 20:22:18 php1 sshd\[12339\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.106.46
Dec 17 20:22:20 php1 sshd\[12339\]: Failed password for invalid user amarilis from 106.13.106.46 port 36702 ssh2
Dec 17 20:30:12 php1 sshd\[13472\]: Invalid user \~!@\#\$% from 106.13.106.46
Dec 17 20:30:12 php1 sshd\[13472\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.106.46
2019-12-18 14:59:02
221.132.17.75 attack
Dec 18 07:01:32 [host] sshd[24709]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.132.17.75  user=root
Dec 18 07:01:34 [host] sshd[24709]: Failed password for root from 221.132.17.75 port 35796 ssh2
Dec 18 07:08:11 [host] sshd[24851]: Invalid user jitendra from 221.132.17.75
Dec 18 07:08:11 [host] sshd[24851]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.132.17.75
2019-12-18 14:18:57
45.56.98.217 attackbots
45.56.98.217 was recorded 8 times by 8 hosts attempting to connect to the following ports: 389. Incident counter (4h, 24h, all-time): 8, 15, 15
2019-12-18 15:00:48
202.215.36.230 attackspam
Dec 18 04:50:46 zeus sshd[21053]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.215.36.230 
Dec 18 04:50:48 zeus sshd[21053]: Failed password for invalid user bs from 202.215.36.230 port 62820 ssh2
Dec 18 04:57:36 zeus sshd[21226]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.215.36.230 
Dec 18 04:57:39 zeus sshd[21226]: Failed password for invalid user zelanis from 202.215.36.230 port 63644 ssh2
2019-12-18 14:19:44
138.68.82.220 attackbotsspam
2019-12-18T07:38:04.532571scmdmz1 sshd[32609]: Invalid user card from 138.68.82.220 port 37240
2019-12-18T07:38:04.535071scmdmz1 sshd[32609]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.82.220
2019-12-18T07:38:04.532571scmdmz1 sshd[32609]: Invalid user card from 138.68.82.220 port 37240
2019-12-18T07:38:06.688383scmdmz1 sshd[32609]: Failed password for invalid user card from 138.68.82.220 port 37240 ssh2
2019-12-18T07:43:13.163624scmdmz1 sshd[640]: Invalid user biyangka from 138.68.82.220 port 45230
...
2019-12-18 14:48:41

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