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:
IP Type Details Datetime
104.21.75.2 spam
Spammer blacklist in https://www.projecthoneypot.org/ip_104.21.75.2 https://multirbl.valli.org/lookup/104.21.75.2.html
2022-12-29 00:00:44
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.7.208
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23242
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.7.208.			IN	A

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

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:35:01 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 208.7.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 208.7.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
27.3.1.45 attack
Multiple SASL authentication failures.
Date: 2019 Nov 01. 02:51:25 -- Source IP: 27.3.1.45

Portion of the log(s):
Nov 1 02:51:25 vserv postfix/smtps/smtpd[30203]: warning: unknown[27.3.1.45]: SASL PLAIN authentication failed: Connection lost to authentication server
Nov 1 02:51:20 vserv postfix/smtps/smtpd[3535]: warning: unknown[27.3.1.45]: SASL LOGIN authentication failed: VXNlcm5hbWU6
Nov 1 02:51:02 vserv postfix/smtps/smtpd[3535]: warning: unknown[27.3.1.45]: SASL PLAIN authentication failed: Connection lost to authentication server
Nov 1 02:50:58 vserv postfix/smtps/smtpd[30203]: warning: unknown[27.3.1.45]: SASL LOGIN authentication failed: VXNlcm5hbWU6
Nov 1 02:50:48 vserv postfix/smtps/smtpd[30203]: warning: unknown[27.3.1.45]: SASL PLAIN authentication failed: Connection lost to authentication server
Nov 1 02:50:42 vserv postfix/smtps/smtpd[3535]: warning: unknown[27.3.1.45]: SASL LOGIN authentication failed: VXNlcm5hbWU6
Nov 1 02:50:42 vserv postfix/smtps/smtpd[3535]: warning ....
2019-11-01 18:33:00
119.93.148.45 attack
Unauthorised access (Nov  1) SRC=119.93.148.45 LEN=52 TTL=116 ID=5949 DF TCP DPT=445 WINDOW=8192 SYN 
Unauthorised access (Nov  1) SRC=119.93.148.45 LEN=52 TTL=116 ID=8470 DF TCP DPT=445 WINDOW=8192 SYN 
Unauthorised access (Oct 30) SRC=119.93.148.45 LEN=52 TTL=116 ID=9456 DF TCP DPT=445 WINDOW=63443 SYN
2019-11-01 18:43:28
180.150.189.206 attackbots
2019-11-01T06:03:50.405140abusebot-8.cloudsearch.cf sshd\[1644\]: Invalid user qe from 180.150.189.206 port 52751
2019-11-01 18:37:15
217.182.253.230 attack
Nov  1 08:30:53 MainVPS sshd[18434]: Invalid user admin from 217.182.253.230 port 40690
Nov  1 08:30:53 MainVPS sshd[18434]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.253.230
Nov  1 08:30:53 MainVPS sshd[18434]: Invalid user admin from 217.182.253.230 port 40690
Nov  1 08:30:55 MainVPS sshd[18434]: Failed password for invalid user admin from 217.182.253.230 port 40690 ssh2
Nov  1 08:34:18 MainVPS sshd[18686]: Invalid user azuracast from 217.182.253.230 port 50798
...
2019-11-01 18:25:14
167.114.5.203 attackspambots
Invalid user ems from 167.114.5.203 port 47224
2019-11-01 18:28:47
8.14.149.127 attackbots
Nov  1 11:12:39 serwer sshd\[1030\]: Invalid user sa from 8.14.149.127 port 35086
Nov  1 11:12:39 serwer sshd\[1030\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=8.14.149.127
Nov  1 11:12:41 serwer sshd\[1030\]: Failed password for invalid user sa from 8.14.149.127 port 35086 ssh2
...
2019-11-01 18:54:11
91.245.224.61 attackspam
Fail2Ban Ban Triggered
2019-11-01 18:43:54
59.51.65.17 attackspambots
Nov  1 09:40:36 sauna sshd[153275]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.51.65.17
Nov  1 09:40:37 sauna sshd[153275]: Failed password for invalid user khi from 59.51.65.17 port 39666 ssh2
...
2019-11-01 18:59:36
189.112.228.153 attackbotsspam
Nov  1 03:34:24 mail sshd\[64359\]: Invalid user dz from 189.112.228.153
Nov  1 03:34:24 mail sshd\[64359\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.112.228.153
...
2019-11-01 18:36:28
45.136.109.83 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-11-01 18:52:39
195.154.112.70 attackbots
Nov  1 06:18:54 debian sshd\[7011\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.154.112.70  user=root
Nov  1 06:18:56 debian sshd\[7011\]: Failed password for root from 195.154.112.70 port 39516 ssh2
Nov  1 06:28:29 debian sshd\[7181\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.154.112.70  user=root
...
2019-11-01 18:46:55
61.69.254.46 attackbotsspam
Fail2Ban Ban Triggered
2019-11-01 19:02:20
157.157.145.123 attackbotsspam
2019-11-01T10:27:21.401482abusebot-5.cloudsearch.cf sshd\[11727\]: Invalid user fuckyou from 157.157.145.123 port 55342
2019-11-01 18:46:34
91.121.2.33 attack
Nov  1 00:27:01 TORMINT sshd\[9318\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.2.33  user=messagebus
Nov  1 00:27:04 TORMINT sshd\[9318\]: Failed password for messagebus from 91.121.2.33 port 35249 ssh2
Nov  1 00:30:18 TORMINT sshd\[9463\]: Invalid user 10718 from 91.121.2.33
Nov  1 00:30:18 TORMINT sshd\[9463\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.2.33
...
2019-11-01 18:50:13
193.201.224.236 attackbotsspam
...
2019-11-01 18:37:41

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