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 States of America (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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 131.199.97.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 24814
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;131.199.97.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021201 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 13 04:11:49 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.97.199.131.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
;; Got SERVFAIL reply from 183.60.83.19, trying next server
Server:		183.60.82.98
Address:	183.60.82.98#53

** server can't find 21.97.199.131.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
121.144.4.34 attackbotsspam
Feb  4 00:56:10 mail postfix/smtpd[6563]: warning: unknown[121.144.4.34]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb  4 01:01:03 mail postfix/smtpd[7300]: warning: unknown[121.144.4.34]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb  4 01:02:26 mail postfix/smtpd[7048]: warning: unknown[121.144.4.34]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-02-04 08:54:55
72.194.225.174 attack
ssh failed login
2020-02-04 09:31:03
95.31.249.107 attack
Feb  4 00:14:00 Ubuntu-1404-trusty-64-minimal sshd\[32620\]: Invalid user az from 95.31.249.107
Feb  4 00:14:00 Ubuntu-1404-trusty-64-minimal sshd\[32620\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.31.249.107
Feb  4 00:14:02 Ubuntu-1404-trusty-64-minimal sshd\[32620\]: Failed password for invalid user az from 95.31.249.107 port 60445 ssh2
Feb  4 01:06:46 Ubuntu-1404-trusty-64-minimal sshd\[30691\]: Invalid user az from 95.31.249.107
Feb  4 01:06:46 Ubuntu-1404-trusty-64-minimal sshd\[30691\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.31.249.107
2020-02-04 09:00:39
103.79.154.104 attack
Feb  3 15:14:27 web9 sshd\[24577\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.79.154.104  user=root
Feb  3 15:14:28 web9 sshd\[24577\]: Failed password for root from 103.79.154.104 port 34816 ssh2
Feb  3 15:21:03 web9 sshd\[25127\]: Invalid user slovell from 103.79.154.104
Feb  3 15:21:03 web9 sshd\[25127\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.79.154.104
Feb  3 15:21:05 web9 sshd\[25127\]: Failed password for invalid user slovell from 103.79.154.104 port 47544 ssh2
2020-02-04 09:28:42
118.126.128.5 attackspam
Feb  4 01:52:25 serwer sshd\[27403\]: User clamav from 118.126.128.5 not allowed because not listed in AllowUsers
Feb  4 01:52:25 serwer sshd\[27403\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.126.128.5  user=clamav
Feb  4 01:52:27 serwer sshd\[27403\]: Failed password for invalid user clamav from 118.126.128.5 port 41684 ssh2
...
2020-02-04 09:24:52
222.186.30.76 attackbots
SSH bruteforce (Triggered fail2ban)
2020-02-04 08:56:03
120.244.56.77 attack
sshd jail - ssh hack attempt
2020-02-04 09:18:39
58.44.149.133 attackbotsspam
Feb  4 01:06:30 grey postfix/smtpd\[26316\]: NOQUEUE: reject: RCPT from unknown\[58.44.149.133\]: 554 5.7.1 Service unavailable\; Client host \[58.44.149.133\] blocked using cbl.abuseat.org\; Blocked - see http://www.abuseat.org/lookup.cgi\?ip=58.44.149.133\; from=\ to=\ proto=ESMTP helo=\<\[58.44.149.133\]\>
...
2020-02-04 09:11:52
123.16.164.184 attackbotsspam
Unauthorized IMAP connection attempt
2020-02-04 09:23:57
72.252.208.30 attackbotsspam
Feb  4 01:06:20 grey postfix/smtpd\[26473\]: NOQUEUE: reject: RCPT from unknown\[72.252.208.30\]: 554 5.7.1 Service unavailable\; Client host \[72.252.208.30\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[72.252.208.30\]\; from=\ to=\ proto=ESMTP helo=\<\[72.252.208.30\]\>
...
2020-02-04 09:20:22
89.12.55.16 attackspam
Feb  4 01:06:46 grey postfix/smtpd\[9886\]: NOQUEUE: reject: RCPT from x590c3710.dyn.telefonica.de\[89.12.55.16\]: 554 5.7.1 Service unavailable\; Client host \[89.12.55.16\] blocked using dul.dnsbl.sorbs.net\; Dynamic IP Addresses See: http://www.sorbs.net/lookup.shtml\?89.12.55.16\; from=\ to=\ proto=ESMTP helo=\
...
2020-02-04 09:02:50
36.91.153.41 attack
Feb  4 01:11:43 srv01 sshd[30736]: Invalid user kr from 36.91.153.41 port 35608
Feb  4 01:11:43 srv01 sshd[30736]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.91.153.41
Feb  4 01:11:43 srv01 sshd[30736]: Invalid user kr from 36.91.153.41 port 35608
Feb  4 01:11:44 srv01 sshd[30736]: Failed password for invalid user kr from 36.91.153.41 port 35608 ssh2
Feb  4 01:13:39 srv01 sshd[30820]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.91.153.41  user=root
Feb  4 01:13:41 srv01 sshd[30820]: Failed password for root from 36.91.153.41 port 49226 ssh2
...
2020-02-04 09:14:19
61.66.229.56 attack
multiple RDP login attempts on non standard port
2020-02-04 09:31:34
106.13.140.121 attack
Unauthorized connection attempt detected from IP address 106.13.140.121 to port 2220 [J]
2020-02-04 08:53:11
119.28.158.60 attackbotsspam
Feb  4 01:06:30 MK-Soft-VM5 sshd[25400]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.28.158.60 
Feb  4 01:06:32 MK-Soft-VM5 sshd[25400]: Failed password for invalid user math from 119.28.158.60 port 54094 ssh2
...
2020-02-04 08:51:35

Recently Reported IPs

148.10.60.137 197.12.212.217 206.61.88.112 157.22.253.36
215.158.59.66 246.60.63.29 181.90.2.203 126.62.199.227
192.39.164.138 248.10.152.69 39.202.214.116 2.141.59.52
54.100.91.237 72.107.147.79 177.159.251.135 56.4.174.66
255.61.196.98 26.114.173.198 181.164.15.70 226.130.229.69