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 <<>> 104.21.55.31
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13629
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.55.31.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 54 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:37:28 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 31.55.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 31.55.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
46.101.249.232 attackspam
Jun 22 02:36:51 php1 sshd\[20819\]: Invalid user student1 from 46.101.249.232
Jun 22 02:36:51 php1 sshd\[20819\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.101.249.232
Jun 22 02:36:52 php1 sshd\[20819\]: Failed password for invalid user student1 from 46.101.249.232 port 37776 ssh2
Jun 22 02:40:37 php1 sshd\[21257\]: Invalid user zxb from 46.101.249.232
Jun 22 02:40:37 php1 sshd\[21257\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.101.249.232
2020-06-22 20:42:12
51.89.142.90 attackspam
Jun 22 14:07:46 mail postfix/postscreen[10293]: DNSBL rank 4 for [51.89.142.90]:61813
...
2020-06-22 20:47:08
103.145.12.176 attackbots
\[Jun 22 22:36:12\] NOTICE\[31025\] chan_sip.c: Registration from '"408" \' failed for '103.145.12.176:5977' - Wrong password
\[Jun 22 22:36:12\] NOTICE\[31025\] chan_sip.c: Registration from '"408" \' failed for '103.145.12.176:5977' - Wrong password
\[Jun 22 22:36:13\] NOTICE\[31025\] chan_sip.c: Registration from '"408" \' failed for '103.145.12.176:5977' - Wrong password
\[Jun 22 22:36:13\] NOTICE\[31025\] chan_sip.c: Registration from '"408" \' failed for '103.145.12.176:5977' - Wrong password
\[Jun 22 22:36:13\] NOTICE\[31025\] chan_sip.c: Registration from '"408" \' failed for '103.145.12.176:5977' - Wrong password
\[Jun 22 22:36:13\] NOTICE\[31025\] chan_sip.c: Registration from '"408" \' failed for '103.145.12.176:5977' - Wrong password
\[Jun 22 22:36:13\] NOTICE\[31025\] chan_sip.c: Registration from '"4
...
2020-06-22 20:41:04
142.93.159.29 attackspambots
...
2020-06-22 20:30:53
137.74.173.182 attackspam
Jun 22 14:33:48 eventyay sshd[22393]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.74.173.182
Jun 22 14:33:50 eventyay sshd[22393]: Failed password for invalid user gengjiao from 137.74.173.182 port 52918 ssh2
Jun 22 14:37:06 eventyay sshd[22532]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.74.173.182
...
2020-06-22 20:49:46
77.210.180.7 attack
5x Failed Password
2020-06-22 20:38:44
183.62.197.115 attackspam
Jun 22 14:22:15 ns381471 sshd[3851]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.62.197.115
Jun 22 14:22:18 ns381471 sshd[3851]: Failed password for invalid user b from 183.62.197.115 port 41306 ssh2
2020-06-22 20:53:28
117.30.236.35 attack
Jun 22 13:49:40 dev0-dcde-rnet sshd[6375]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.30.236.35
Jun 22 13:49:42 dev0-dcde-rnet sshd[6375]: Failed password for invalid user oneadmin from 117.30.236.35 port 12991 ssh2
Jun 22 14:08:10 dev0-dcde-rnet sshd[6707]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.30.236.35
2020-06-22 20:22:06
163.53.150.194 attack
Honeypot attack, port: 445, PTR: PTR record not found
2020-06-22 20:39:39
103.219.112.47 attackbotsspam
Port Scan detected!
...
2020-06-22 20:31:07
157.119.227.119 attackbotsspam
IP 157.119.227.119 attacked honeypot on port: 80 at 6/22/2020 5:07:37 AM
2020-06-22 20:51:49
59.57.196.164 attack
06/22/2020-08:08:03.625728 59.57.196.164 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2020-06-22 20:28:44
90.145.172.213 attackspambots
Jun 22 11:28:56 zimbra sshd[10812]: Invalid user deployer from 90.145.172.213
Jun 22 11:28:56 zimbra sshd[10812]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=90.145.172.213
Jun 22 11:28:58 zimbra sshd[10812]: Failed password for invalid user deployer from 90.145.172.213 port 56712 ssh2
Jun 22 11:28:58 zimbra sshd[10812]: Received disconnect from 90.145.172.213 port 56712:11: Bye Bye [preauth]
Jun 22 11:28:58 zimbra sshd[10812]: Disconnected from 90.145.172.213 port 56712 [preauth]
Jun 22 11:37:05 zimbra sshd[18151]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=90.145.172.213  user=r.r
Jun 22 11:37:07 zimbra sshd[18151]: Failed password for r.r from 90.145.172.213 port 51456 ssh2
Jun 22 11:37:07 zimbra sshd[18151]: Received disconnect from 90.145.172.213 port 51456:11: Bye Bye [preauth]
Jun 22 11:37:07 zimbra sshd[18151]: Disconnected from 90.145.172.213 port 51456 [preauth]


........
---------------------------------------
2020-06-22 20:37:07
112.35.56.181 attackspambots
Jun 22 06:21:31 pi sshd[6687]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.35.56.181 
Jun 22 06:21:33 pi sshd[6687]: Failed password for invalid user ftp from 112.35.56.181 port 35474 ssh2
2020-06-22 20:17:37
51.38.179.113 attackbotsspam
2020-06-22T12:03:11.534178abusebot-3.cloudsearch.cf sshd[24268]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.ip-51-38-179.eu  user=root
2020-06-22T12:03:13.570616abusebot-3.cloudsearch.cf sshd[24268]: Failed password for root from 51.38.179.113 port 39356 ssh2
2020-06-22T12:10:13.219502abusebot-3.cloudsearch.cf sshd[24752]: Invalid user linaro from 51.38.179.113 port 46018
2020-06-22T12:10:13.237917abusebot-3.cloudsearch.cf sshd[24752]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.ip-51-38-179.eu
2020-06-22T12:10:13.219502abusebot-3.cloudsearch.cf sshd[24752]: Invalid user linaro from 51.38.179.113 port 46018
2020-06-22T12:10:15.874305abusebot-3.cloudsearch.cf sshd[24752]: Failed password for invalid user linaro from 51.38.179.113 port 46018 ssh2
2020-06-22T12:12:46.284345abusebot-3.cloudsearch.cf sshd[24923]: Invalid user hj from 51.38.179.113 port 36626
...
2020-06-22 20:58:00

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