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: United Kingdom of Great Britain and Northern Ireland (the)

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 <<>> 13.21.239.55
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 47628
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;13.21.239.55.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012501 1800 900 604800 86400

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jan 26 05:19:16 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 55.239.21.13.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 55.239.21.13.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
104.248.121.67 attackbotsspam
Invalid user mailer from 104.248.121.67 port 36964
2020-04-13 20:58:44
201.156.142.245 attack
Honeypot attack, port: 445, PTR: na-201-156-142-245.static.avantel.net.mx.
2020-04-13 20:40:14
83.97.20.33 attackbots
Unauthorized connection attempt detected from IP address 83.97.20.33 to port 22
2020-04-13 20:30:25
162.223.90.36 attackbotsspam
Apr 13 11:31:22 eventyay sshd[16649]: Failed password for root from 162.223.90.36 port 55382 ssh2
Apr 13 11:35:07 eventyay sshd[16763]: Failed password for root from 162.223.90.36 port 59906 ssh2
...
2020-04-13 20:28:30
134.209.24.143 attack
2020-04-13T14:29:26.004943librenms sshd[17307]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.24.143
2020-04-13T14:29:26.002530librenms sshd[17307]: Invalid user jmuthusi from 134.209.24.143 port 34666
2020-04-13T14:29:28.196366librenms sshd[17307]: Failed password for invalid user jmuthusi from 134.209.24.143 port 34666 ssh2
...
2020-04-13 20:31:42
114.67.80.217 attackbotsspam
SSH login attempts.
2020-04-13 20:29:11
141.98.81.81 attackbotsspam
Invalid user 1234 from 141.98.81.81 port 39456
2020-04-13 20:40:42
134.209.147.198 attackbots
Apr 13 10:57:22 web8 sshd\[9107\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.147.198  user=root
Apr 13 10:57:24 web8 sshd\[9107\]: Failed password for root from 134.209.147.198 port 50682 ssh2
Apr 13 11:01:58 web8 sshd\[11601\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.147.198  user=root
Apr 13 11:02:00 web8 sshd\[11601\]: Failed password for root from 134.209.147.198 port 59032 ssh2
Apr 13 11:06:28 web8 sshd\[13988\]: Invalid user vrich from 134.209.147.198
2020-04-13 20:55:49
122.51.233.63 attack
Apr 13 03:55:58 server1 sshd\[7825\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.233.63  user=root
Apr 13 03:56:00 server1 sshd\[7825\]: Failed password for root from 122.51.233.63 port 37108 ssh2
Apr 13 03:59:07 server1 sshd\[9183\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.233.63  user=root
Apr 13 03:59:08 server1 sshd\[9183\]: Failed password for root from 122.51.233.63 port 44812 ssh2
Apr 13 04:05:25 server1 sshd\[11703\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.233.63  user=root
...
2020-04-13 20:32:01
47.220.235.64 attackspam
SSH Brute-Force reported by Fail2Ban
2020-04-13 20:34:44
27.50.131.196 attack
Apr 13 18:20:28 our-server-hostname postfix/smtpd[29450]: connect from unknown[27.50.131.196]
Apr x@x
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........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=27.50.131.196
2020-04-13 20:59:40
140.143.230.79 attackspambots
Apr 13 10:40:48 OPSO sshd\[15761\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.230.79  user=admin
Apr 13 10:40:50 OPSO sshd\[15761\]: Failed password for admin from 140.143.230.79 port 39542 ssh2
Apr 13 10:41:43 OPSO sshd\[16009\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.230.79  user=root
Apr 13 10:41:45 OPSO sshd\[16009\]: Failed password for root from 140.143.230.79 port 47880 ssh2
Apr 13 10:42:33 OPSO sshd\[16062\]: Invalid user SP35 from 140.143.230.79 port 56218
Apr 13 10:42:33 OPSO sshd\[16062\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.230.79
2020-04-13 21:09:27
49.234.28.109 attackbots
Apr 13 10:42:21 ns382633 sshd\[21754\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.28.109  user=root
Apr 13 10:42:23 ns382633 sshd\[21754\]: Failed password for root from 49.234.28.109 port 48460 ssh2
Apr 13 10:57:10 ns382633 sshd\[24598\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.28.109  user=root
Apr 13 10:57:12 ns382633 sshd\[24598\]: Failed password for root from 49.234.28.109 port 57784 ssh2
Apr 13 11:07:08 ns382633 sshd\[26490\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.28.109  user=root
2020-04-13 20:39:42
182.208.112.240 attackspambots
Apr 13 11:31:05 work-partkepr sshd\[28499\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.208.112.240  user=root
Apr 13 11:31:07 work-partkepr sshd\[28499\]: Failed password for root from 182.208.112.240 port 64223 ssh2
...
2020-04-13 21:06:02
45.143.220.209 attack
[2020-04-13 08:13:56] NOTICE[12114][C-000051e1] chan_sip.c: Call from '' (45.143.220.209:56946) to extension '00441205804657' rejected because extension not found in context 'public'.
[2020-04-13 08:13:56] SECURITY[12128] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-13T08:13:56.221-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441205804657",SessionID="0x7f020c088288",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.209/56946",ACLName="no_extension_match"
[2020-04-13 08:23:26] NOTICE[12114][C-000051e6] chan_sip.c: Call from '' (45.143.220.209:59695) to extension '00441205804657' rejected because extension not found in context 'public'.
[2020-04-13 08:23:26] SECURITY[12128] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-13T08:23:26.268-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441205804657",SessionID="0x7f020c167898",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/U
...
2020-04-13 20:32:35

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