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 <<>> 104.21.87.166
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15651
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.87.166.			IN	A

;; AUTHORITY SECTION:
.			506	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022001 1800 900 604800 86400

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 21 05:25:39 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 166.87.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 166.87.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
137.74.209.120 attackspambots
Email rejected due to spam filtering
2020-04-14 01:28:48
86.188.246.2 attackbotsspam
Found by fail2ban
2020-04-14 01:38:13
103.72.144.228 attackbotsspam
Apr 13 19:14:37 OPSO sshd\[17885\]: Invalid user dnjenga from 103.72.144.228 port 48130
Apr 13 19:14:37 OPSO sshd\[17885\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.72.144.228
Apr 13 19:14:40 OPSO sshd\[17885\]: Failed password for invalid user dnjenga from 103.72.144.228 port 48130 ssh2
Apr 13 19:20:48 OPSO sshd\[19379\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.72.144.228  user=root
Apr 13 19:20:50 OPSO sshd\[19379\]: Failed password for root from 103.72.144.228 port 56500 ssh2
2020-04-14 01:39:41
144.217.34.148 attack
144.217.34.148 was recorded 9 times by 9 hosts attempting to connect to the following ports: 3283. Incident counter (4h, 24h, all-time): 9, 33, 1864
2020-04-14 01:41:42
218.92.0.171 attackbotsspam
2020-04-13T19:20:26.147003amanda2.illicoweb.com sshd\[2707\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.171  user=root
2020-04-13T19:20:28.291179amanda2.illicoweb.com sshd\[2707\]: Failed password for root from 218.92.0.171 port 20718 ssh2
2020-04-13T19:20:31.384736amanda2.illicoweb.com sshd\[2707\]: Failed password for root from 218.92.0.171 port 20718 ssh2
2020-04-13T19:20:34.222655amanda2.illicoweb.com sshd\[2707\]: Failed password for root from 218.92.0.171 port 20718 ssh2
2020-04-13T19:20:37.471593amanda2.illicoweb.com sshd\[2707\]: Failed password for root from 218.92.0.171 port 20718 ssh2
...
2020-04-14 01:49:53
67.205.138.198 attackbotsspam
2020-04-13T12:53:46.6130191495-001 sshd[5569]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.205.138.198  user=root
2020-04-13T12:53:48.7732651495-001 sshd[5569]: Failed password for root from 67.205.138.198 port 46240 ssh2
2020-04-13T13:00:32.2286161495-001 sshd[5892]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.205.138.198  user=root
2020-04-13T13:00:33.7909731495-001 sshd[5892]: Failed password for root from 67.205.138.198 port 55292 ssh2
2020-04-13T13:07:16.2974331495-001 sshd[6275]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.205.138.198  user=root
2020-04-13T13:07:18.3215911495-001 sshd[6275]: Failed password for root from 67.205.138.198 port 36114 ssh2
...
2020-04-14 02:00:07
188.158.127.172 attackspambots
[portscan] Port scan
2020-04-14 01:48:38
212.47.241.15 attackbots
2020-04-13T17:15:06.203655shield sshd\[20134\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=15-241-47-212.rev.cloud.scaleway.com  user=root
2020-04-13T17:15:08.425558shield sshd\[20134\]: Failed password for root from 212.47.241.15 port 46898 ssh2
2020-04-13T17:20:52.195224shield sshd\[21760\]: Invalid user light from 212.47.241.15 port 55052
2020-04-13T17:20:52.199229shield sshd\[21760\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=15-241-47-212.rev.cloud.scaleway.com
2020-04-13T17:20:54.587494shield sshd\[21760\]: Failed password for invalid user light from 212.47.241.15 port 55052 ssh2
2020-04-14 01:37:38
104.47.32.33 attack
Sextortion spam emails being sent from this IP
2020-04-14 01:25:54
194.26.29.213 attackbotsspam
Port scan
2020-04-14 01:35:35
173.89.163.88 attackspambots
Apr 13 19:13:30 eventyay sshd[646]: Failed password for root from 173.89.163.88 port 58090 ssh2
Apr 13 19:17:17 eventyay sshd[802]: Failed password for root from 173.89.163.88 port 52452 ssh2
...
2020-04-14 01:26:18
116.253.211.207 attack
Apr 14 03:15:24 our-server-hostname postfix/smtpd[4526]: connect from unknown[116.253.211.207]
Apr x@x
Apr x@x
Apr x@x
Apr x@x
Apr x@x
Apr x@x
Apr x@x
Apr x@x
Apr x@x
Apr x@x
Apr x@x


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=116.253.211.207
2020-04-14 01:37:19
212.145.192.205 attack
Apr 13 19:10:26 mail sshd[28809]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.145.192.205  user=root
Apr 13 19:10:29 mail sshd[28809]: Failed password for root from 212.145.192.205 port 49132 ssh2
Apr 13 19:20:58 mail sshd[30146]: Invalid user named from 212.145.192.205
Apr 13 19:20:58 mail sshd[30146]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.145.192.205
Apr 13 19:20:58 mail sshd[30146]: Invalid user named from 212.145.192.205
Apr 13 19:20:59 mail sshd[30146]: Failed password for invalid user named from 212.145.192.205 port 50184 ssh2
...
2020-04-14 01:32:01
89.247.43.72 attackbotsspam
2020-04-13T13:15:57.335393sorsha.thespaminator.com sshd[30409]: Failed password for root from 89.247.43.72 port 48966 ssh2
2020-04-13T13:20:47.939852sorsha.thespaminator.com sshd[30775]: Invalid user test from 89.247.43.72 port 42760
...
2020-04-14 01:43:12
115.216.43.50 attack
2020-04-13 19:19:36 H=(hotmail.com) [115.216.43.50] F=: Unknown user


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=115.216.43.50
2020-04-14 01:53:40

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