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

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 <<>> 104.21.20.131
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 41840
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.20.131.			IN	A

;; AUTHORITY SECTION:
.			111	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 21 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:46:23 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 131.20.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 131.20.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
87.216.162.64 attack
Aug  6 04:12:04 [host] sshd[9002]: Invalid user status from 87.216.162.64
Aug  6 04:12:04 [host] sshd[9002]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.216.162.64
Aug  6 04:12:06 [host] sshd[9002]: Failed password for invalid user status from 87.216.162.64 port 35479 ssh2
2019-08-06 10:26:54
222.189.197.55 attackbotsspam
scan z
2019-08-06 09:50:08
159.65.127.70 attack
2019-08-04T02:47:00.456942wiz-ks3 sshd[20249]: Invalid user a from 159.65.127.70 port 57282
2019-08-04T02:47:00.458987wiz-ks3 sshd[20249]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.127.70
2019-08-04T02:47:00.456942wiz-ks3 sshd[20249]: Invalid user a from 159.65.127.70 port 57282
2019-08-04T02:47:02.624952wiz-ks3 sshd[20249]: Failed password for invalid user a from 159.65.127.70 port 57282 ssh2
2019-08-04T02:51:12.300771wiz-ks3 sshd[20275]: Invalid user a from 159.65.127.70 port 38098
2019-08-04T02:51:12.302710wiz-ks3 sshd[20275]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.127.70
2019-08-04T02:51:12.300771wiz-ks3 sshd[20275]: Invalid user a from 159.65.127.70 port 38098
2019-08-04T02:51:13.730873wiz-ks3 sshd[20275]: Failed password for invalid user a from 159.65.127.70 port 38098 ssh2
2019-08-04T02:51:47.704895wiz-ks3 sshd[20283]: Invalid user a from 159.65.127.70 port 40538
2019-08-04T02:51:47.706817wiz-ks
2019-08-06 10:04:47
189.1.104.18 attack
Aug  6 05:04:13 www4 sshd\[27033\]: Invalid user tuser from 189.1.104.18
Aug  6 05:04:13 www4 sshd\[27033\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.1.104.18
Aug  6 05:04:15 www4 sshd\[27033\]: Failed password for invalid user tuser from 189.1.104.18 port 49402 ssh2
...
2019-08-06 10:11:44
123.142.29.76 attackbotsspam
Aug  6 03:31:36 mail sshd\[18684\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.142.29.76  user=root
Aug  6 03:31:38 mail sshd\[18684\]: Failed password for root from 123.142.29.76 port 51898 ssh2
Aug  6 03:36:27 mail sshd\[18718\]: Invalid user terraria from 123.142.29.76
Aug  6 03:36:27 mail sshd\[18718\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.142.29.76
...
2019-08-06 10:11:06
24.192.136.145 attackspam
2019-08-06T01:36:41.090043abusebot-6.cloudsearch.cf sshd\[13691\]: Invalid user admin from 24.192.136.145 port 34178
2019-08-06 10:06:47
167.71.43.171 attack
\[2019-08-05 21:59:45\] SECURITY\[2326\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-08-05T21:59:45.780-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011441144630211",SessionID="0x7ff4d076f5e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/167.71.43.171/63723",ACLName="no_extension_match"
\[2019-08-05 22:01:04\] SECURITY\[2326\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-08-05T22:01:04.383-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011441144630211",SessionID="0x7ff4d076f5e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/167.71.43.171/65128",ACLName="no_extension_match"
\[2019-08-05 22:01:57\] SECURITY\[2326\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-08-05T22:01:57.404-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011441144630211",SessionID="0x7ff4d076f5e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/167.71.43.171/53754",ACLName="no_ex
2019-08-06 10:25:22
153.36.242.143 attack
$f2bV_matches
2019-08-06 10:09:42
58.212.66.59 attackbotsspam
account brute force by foreign IP
2019-08-06 10:35:35
185.33.172.138 attack
Automatic report - Port Scan Attack
2019-08-06 10:17:30
128.199.168.51 attackspam
Aug  6 01:11:35 vtv3 sshd\[2007\]: Invalid user password from 128.199.168.51 port 39118
Aug  6 01:11:35 vtv3 sshd\[2007\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.168.51
Aug  6 01:11:37 vtv3 sshd\[2007\]: Failed password for invalid user password from 128.199.168.51 port 39118 ssh2
Aug  6 01:16:42 vtv3 sshd\[4468\]: Invalid user panda from 128.199.168.51 port 47138
Aug  6 01:16:42 vtv3 sshd\[4468\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.168.51
Aug  6 01:31:23 vtv3 sshd\[11490\]: Invalid user nhlonipho from 128.199.168.51 port 41274
Aug  6 01:31:23 vtv3 sshd\[11490\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.168.51
Aug  6 01:31:25 vtv3 sshd\[11490\]: Failed password for invalid user nhlonipho from 128.199.168.51 port 41274 ssh2
Aug  6 01:36:28 vtv3 sshd\[14281\]: Invalid user serv_war from 128.199.168.51 port 48638
Aug  6 01:36:28 vtv3
2019-08-06 10:08:35
198.50.150.83 attackbots
Aug  6 03:36:03 icinga sshd[13250]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.50.150.83
Aug  6 03:36:05 icinga sshd[13250]: Failed password for invalid user tan from 198.50.150.83 port 56188 ssh2
...
2019-08-06 10:18:40
47.107.142.111 attack
20 attempts against mh-ssh on web.discountlight.com
2019-08-06 10:15:56
185.143.221.104 attack
Port scan: Attacks repeated for a week
2019-08-06 10:19:26
132.145.21.100 attackspambots
Aug  6 03:35:57 cp sshd[26263]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.145.21.100
2019-08-06 10:23:33

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