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 <<>> 138.245.43.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25722
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.245.43.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025013000 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Jan 30 13:58:03 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.43.245.138.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.43.245.138.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
144.217.42.212 attack
Oct  6 12:19:52 sso sshd[14590]: Failed password for root from 144.217.42.212 port 54440 ssh2
...
2020-10-06 19:28:08
180.173.3.229 attackbots
spam (f2b h2)
2020-10-06 19:21:17
178.62.6.114 attackbots
Oct  6 04:24:28 host sshd[962]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.6.114  user=root
Oct  6 04:24:30 host sshd[962]: Failed password for root from 178.62.6.114 port 54836 ssh2
...
2020-10-06 19:17:18
45.126.161.186 attackspambots
SSH login attempts.
2020-10-06 19:45:29
111.231.18.208 attack
2020-10-06T10:18:54.184163abusebot-3.cloudsearch.cf sshd[26631]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.18.208  user=root
2020-10-06T10:18:56.385173abusebot-3.cloudsearch.cf sshd[26631]: Failed password for root from 111.231.18.208 port 54140 ssh2
2020-10-06T10:22:05.307284abusebot-3.cloudsearch.cf sshd[26669]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.18.208  user=root
2020-10-06T10:22:07.397563abusebot-3.cloudsearch.cf sshd[26669]: Failed password for root from 111.231.18.208 port 36700 ssh2
2020-10-06T10:24:57.727733abusebot-3.cloudsearch.cf sshd[26741]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.18.208  user=root
2020-10-06T10:24:59.095571abusebot-3.cloudsearch.cf sshd[26741]: Failed password for root from 111.231.18.208 port 47490 ssh2
2020-10-06T10:27:40.222438abusebot-3.cloudsearch.cf sshd[26820]: pam_unix(sshd:auth):
...
2020-10-06 19:33:17
51.158.107.168 attackbotsspam
Oct  6 11:57:54 gw1 sshd[29037]: Failed password for root from 51.158.107.168 port 39596 ssh2
...
2020-10-06 19:42:30
167.248.133.51 attackspambots
Unauthorized connection attempt from IP address 167.248.133.51 on port 465
2020-10-06 19:30:13
203.135.20.36 attackspam
Oct  6 10:29:21 s2 sshd[22036]: Failed password for root from 203.135.20.36 port 40156 ssh2
Oct  6 10:33:39 s2 sshd[22273]: Failed password for root from 203.135.20.36 port 42199 ssh2
2020-10-06 19:44:31
49.233.177.197 attackbotsspam
Oct  6 08:09:05 email sshd\[15655\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.233.177.197  user=root
Oct  6 08:09:08 email sshd\[15655\]: Failed password for root from 49.233.177.197 port 39128 ssh2
Oct  6 08:09:58 email sshd\[15821\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.233.177.197  user=root
Oct  6 08:10:00 email sshd\[15821\]: Failed password for root from 49.233.177.197 port 46686 ssh2
Oct  6 08:10:52 email sshd\[15976\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.233.177.197  user=root
...
2020-10-06 19:34:08
172.81.197.152 attackspam
2020-10-06T03:49:42.665766suse-nuc sshd[23990]: User root from 172.81.197.152 not allowed because not listed in AllowUsers
...
2020-10-06 19:37:26
166.177.122.81 attackbots
Brute forcing email accounts
2020-10-06 19:34:59
51.77.230.49 attackspambots
Invalid user xh from 51.77.230.49 port 34176
2020-10-06 19:18:30
165.22.53.233 attack
165.22.53.233 - - [06/Oct/2020:10:40:58 +0100] "POST /wp-login.php HTTP/1.1" 200 2596 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
165.22.53.233 - - [06/Oct/2020:10:41:06 +0100] "POST /wp-login.php HTTP/1.1" 200 2580 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
165.22.53.233 - - [06/Oct/2020:10:41:07 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-10-06 19:30:42
109.70.100.34 attackbotsspam
/wp-json/wp/v2/users/2
2020-10-06 19:08:49
116.87.41.213 attackbots
 TCP (SYN) 116.87.41.213:11515 -> port 23, len 44
2020-10-06 19:21:55

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