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: None

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 <<>> 104.21.52.140
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9369
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.52.140.			IN	A

;; AUTHORITY SECTION:
.			573	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:12:33 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 140.52.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 140.52.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
79.143.44.122 attackbots
Aug 20 17:51:00 marvibiene sshd[28773]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.143.44.122 
Aug 20 17:51:02 marvibiene sshd[28773]: Failed password for invalid user test from 79.143.44.122 port 42272 ssh2
Aug 20 17:57:42 marvibiene sshd[29154]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.143.44.122
2020-08-21 00:43:24
187.167.206.30 attackbots
Automatic report - Port Scan Attack
2020-08-21 00:45:46
120.35.26.129 attackbots
2020-08-20T14:50:50.739788vps-d63064a2 sshd[5230]: User root from 120.35.26.129 not allowed because not listed in AllowUsers
2020-08-20T14:50:52.747897vps-d63064a2 sshd[5230]: Failed password for invalid user root from 120.35.26.129 port 17807 ssh2
2020-08-20T14:55:55.135134vps-d63064a2 sshd[5262]: Invalid user ts3bot from 120.35.26.129 port 17810
2020-08-20T14:55:55.144330vps-d63064a2 sshd[5262]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.35.26.129
2020-08-20T14:55:55.135134vps-d63064a2 sshd[5262]: Invalid user ts3bot from 120.35.26.129 port 17810
2020-08-20T14:55:57.339518vps-d63064a2 sshd[5262]: Failed password for invalid user ts3bot from 120.35.26.129 port 17810 ssh2
...
2020-08-21 00:17:53
70.57.101.238 attackspambots
port scan and connect, tcp 22 (ssh)
2020-08-21 00:40:03
193.161.113.71 attack
Brute Force
2020-08-21 00:26:50
51.91.100.120 attack
Aug 20 08:29:53 ny01 sshd[18855]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.100.120
Aug 20 08:29:55 ny01 sshd[18855]: Failed password for invalid user xjy from 51.91.100.120 port 52858 ssh2
Aug 20 08:33:48 ny01 sshd[19378]: Failed password for root from 51.91.100.120 port 60496 ssh2
2020-08-21 00:40:55
170.130.213.112 attack
Aug 20 21:43:26 our-server-hostname postfix/smtpd[28147]: connect from unknown[170.130.213.112]
Aug x@x
Aug 20 21:43:28 our-server-hostname postfix/smtpd[28147]: 6CA09A40105: client=unknown[170.130.213.112]
Aug 20 21:43:29 our-server-hostname postfix/smtpd[21142]: 074E1A40123: client=unknown[127.0.0.1], orig_client=unknown[170.130.213.112]
Aug x@x
Aug x@x
Aug 20 21:43:29 our-server-hostname postfix/smtpd[28147]: 280B9A40105: client=unknown[170.130.213.112]
Aug 20 21:43:29 our-server-hostname postfix/smtpd[26816]: 7E132A40123: client=unknown[127.0.0.1], orig_client=unknown[170.130.213.112]
Aug x@x
Aug x@x
Aug 20 21:43:29 our-server-hostname postfix/smtpd[28147]: A01A8A40105: client=unknown[170.130.213.112]
Aug 20 21:43:30 our-server-hostname postfix/smtpd[21227]: 02470A40120: client=unknown[127.0.0.1], orig_client=unknown[170.130.213.112]
Aug x@x
Aug x@x
Aug 20 21:43:30 our-server-hostname postfix/smtpd[28147]: 239F6A40105: client=unknown[170.130.213.112]
Aug 20 21:43:30........
-------------------------------
2020-08-21 00:30:19
123.207.74.24 attackbotsspam
2020-08-20T16:19:40.203698lavrinenko.info sshd[12096]: Invalid user zimbra from 123.207.74.24 port 36486
2020-08-20T16:19:40.214315lavrinenko.info sshd[12096]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.207.74.24
2020-08-20T16:19:40.203698lavrinenko.info sshd[12096]: Invalid user zimbra from 123.207.74.24 port 36486
2020-08-20T16:19:41.931587lavrinenko.info sshd[12096]: Failed password for invalid user zimbra from 123.207.74.24 port 36486 ssh2
2020-08-20T16:22:20.748313lavrinenko.info sshd[12157]: Invalid user chen from 123.207.74.24 port 36702
...
2020-08-21 00:20:04
120.133.1.16 attack
Aug 20 16:55:47 scw-6657dc sshd[16889]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.133.1.16
Aug 20 16:55:47 scw-6657dc sshd[16889]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.133.1.16
Aug 20 16:55:49 scw-6657dc sshd[16889]: Failed password for invalid user tt from 120.133.1.16 port 56892 ssh2
...
2020-08-21 00:59:07
103.131.71.158 attack
(mod_security) mod_security (id:210730) triggered by 103.131.71.158 (VN/Vietnam/bot-103-131-71-158.coccoc.com): 5 in the last 3600 secs
2020-08-21 00:23:21
121.13.107.3 attack
Aug 20 16:27:33 mout sshd[21598]: Invalid user nexthink from 121.13.107.3 port 40253
Aug 20 16:27:38 mout sshd[21598]: Failed password for invalid user nexthink from 121.13.107.3 port 40253 ssh2
Aug 20 16:28:08 mout sshd[21678]: Invalid user plexuser from 121.13.107.3 port 48459
2020-08-21 00:25:04
170.106.36.196 attack
[Thu Aug 20 07:16:15 2020] - DDoS Attack From IP: 170.106.36.196 Port: 35761
2020-08-21 00:57:21
192.35.168.233 attackspam
firewall-block, port(s): 9684/tcp
2020-08-21 00:54:18
212.39.11.192 attackspambots
Aug 20 13:54:33 mail1 sshd[18863]: Invalid user pi from 212.39.11.192 port 49342
Aug 20 13:54:33 mail1 sshd[18864]: Invalid user pi from 212.39.11.192 port 49344
Aug 20 13:54:33 mail1 sshd[18863]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.39.11.192
Aug 20 13:54:33 mail1 sshd[18864]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.39.11.192
Aug 20 13:54:35 mail1 sshd[18863]: Failed password for invalid user pi from 212.39.11.192 port 49342 ssh2
Aug 20 13:54:35 mail1 sshd[18864]: Failed password for invalid user pi from 212.39.11.192 port 49344 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=212.39.11.192
2020-08-21 00:20:44
175.24.23.31 attack
Aug 20 14:14:07 srv-ubuntu-dev3 sshd[114909]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.23.31  user=root
Aug 20 14:14:09 srv-ubuntu-dev3 sshd[114909]: Failed password for root from 175.24.23.31 port 44354 ssh2
Aug 20 14:15:55 srv-ubuntu-dev3 sshd[115202]: Invalid user web3 from 175.24.23.31
Aug 20 14:15:55 srv-ubuntu-dev3 sshd[115202]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.23.31
Aug 20 14:15:55 srv-ubuntu-dev3 sshd[115202]: Invalid user web3 from 175.24.23.31
Aug 20 14:15:57 srv-ubuntu-dev3 sshd[115202]: Failed password for invalid user web3 from 175.24.23.31 port 34090 ssh2
Aug 20 14:17:46 srv-ubuntu-dev3 sshd[115426]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.23.31  user=root
Aug 20 14:17:48 srv-ubuntu-dev3 sshd[115426]: Failed password for root from 175.24.23.31 port 52056 ssh2
Aug 20 14:19:22 srv-ubuntu-dev3 sshd[115629]:
...
2020-08-21 00:48:11

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