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: Århus

Region: Region Midtjylland

Country: Denmark

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 <<>> 5.103.21.137
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36760
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;5.103.21.137.			IN	A

;; AUTHORITY SECTION:
.			432	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2023012601 1800 900 604800 86400

;; Query time: 92 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Jan 27 03:25:09 CST 2023
;; MSG SIZE  rcvd: 105
Host info
Host 137.21.103.5.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 137.21.103.5.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
183.129.141.44 attackbotsspam
...
2020-03-28 05:33:07
118.27.37.223 attackspambots
Mar 27 17:15:29 ny01 sshd[26535]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.27.37.223
Mar 27 17:15:31 ny01 sshd[26535]: Failed password for invalid user hb from 118.27.37.223 port 44214 ssh2
Mar 27 17:19:15 ny01 sshd[28099]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.27.37.223
2020-03-28 05:21:37
49.235.97.29 attack
Mar 27 17:46:35 ny01 sshd[7471]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.97.29
Mar 27 17:46:37 ny01 sshd[7471]: Failed password for invalid user emk from 49.235.97.29 port 55806 ssh2
Mar 27 17:49:47 ny01 sshd[8774]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.97.29
2020-03-28 05:53:23
165.22.33.32 attackbotsspam
Mar 28 04:18:55 webhost01 sshd[15513]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.33.32
Mar 28 04:18:57 webhost01 sshd[15513]: Failed password for invalid user ogw from 165.22.33.32 port 33366 ssh2
...
2020-03-28 05:34:42
148.204.63.134 attackbotsspam
Mar 27 17:18:43 mail sshd\[63582\]: Invalid user mfl from 148.204.63.134
Mar 27 17:18:43 mail sshd\[63582\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.204.63.134
...
2020-03-28 05:47:31
106.12.33.174 attackbotsspam
Mar 28 00:00:08 hosting sshd[18858]: Invalid user ylz from 106.12.33.174 port 59346
Mar 28 00:00:08 hosting sshd[18858]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.33.174
Mar 28 00:00:08 hosting sshd[18858]: Invalid user ylz from 106.12.33.174 port 59346
Mar 28 00:00:11 hosting sshd[18858]: Failed password for invalid user ylz from 106.12.33.174 port 59346 ssh2
Mar 28 00:19:05 hosting sshd[21409]: Invalid user lyi from 106.12.33.174 port 46592
...
2020-03-28 05:26:28
45.125.65.35 attack
2020-03-27 22:36:55 dovecot_login authenticator failed for \(User\) \[45.125.65.35\]: 535 Incorrect authentication data \(set_id=pokemon\)
2020-03-27 22:37:02 dovecot_login authenticator failed for \(User\) \[45.125.65.35\]: 535 Incorrect authentication data \(set_id=pokemon\)
2020-03-27 22:37:02 dovecot_login authenticator failed for \(User\) \[45.125.65.35\]: 535 Incorrect authentication data \(set_id=pokemon\)
2020-03-27 22:44:09 dovecot_login authenticator failed for \(User\) \[45.125.65.35\]: 535 Incorrect authentication data \(set_id=tech80\)
2020-03-27 22:45:52 dovecot_login authenticator failed for \(User\) \[45.125.65.35\]: 535 Incorrect authentication data \(set_id=tech80\)
...
2020-03-28 05:47:03
59.31.84.142 attack
CMS (WordPress or Joomla) login attempt.
2020-03-28 05:50:32
197.214.16.100 attackbots
(imapd) Failed IMAP login from 197.214.16.100 (NE/Niger/-): 1 in the last 3600 secs
2020-03-28 05:26:11
94.23.160.0 attackbots
Brute force VPN server
2020-03-28 06:00:06
120.132.12.206 attackbotsspam
Mar 27 21:36:41 v22018086721571380 sshd[22215]: Failed password for invalid user albert from 120.132.12.206 port 33836 ssh2
Mar 27 22:19:06 v22018086721571380 sshd[31428]: Failed password for invalid user himawari from 120.132.12.206 port 57952 ssh2
2020-03-28 05:25:07
45.143.220.25 attackbots
[2020-03-27 17:34:39] NOTICE[1148][C-00017d9f] chan_sip.c: Call from '' (45.143.220.25:6678) to extension '81048323395006' rejected because extension not found in context 'public'.
[2020-03-27 17:34:39] SECURITY[1163] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-03-27T17:34:39.808-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="81048323395006",SessionID="0x7fd82cdb8718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.25/6678",ACLName="no_extension_match"
[2020-03-27 17:42:31] NOTICE[1148][C-00017daf] chan_sip.c: Call from '' (45.143.220.25:6498) to extension '001148323395006' rejected because extension not found in context 'public'.
[2020-03-27 17:42:31] SECURITY[1163] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-03-27T17:42:31.702-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="001148323395006",SessionID="0x7fd82c43c848",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.14
...
2020-03-28 05:55:01
122.4.241.6 attackspam
DATE:2020-03-27 22:18:57, IP:122.4.241.6, PORT:ssh SSH brute force auth (docker-dc)
2020-03-28 05:35:55
106.75.87.152 attackspambots
Mar 27 14:04:02 pixelmemory sshd[23388]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.87.152
Mar 27 14:04:04 pixelmemory sshd[23388]: Failed password for invalid user gcq from 106.75.87.152 port 40384 ssh2
Mar 27 14:18:49 pixelmemory sshd[25793]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.87.152
...
2020-03-28 05:45:26
185.176.222.39 attack
scan z
2020-03-28 05:39:08

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