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 <<>> 104.21.45.252
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38561
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.45.252.			IN	A

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

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 22:42:48 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 252.45.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 252.45.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
148.72.212.159 attack
148.72.212.159 - - \[20/Sep/2020:03:15:48 +0200\] "POST /wp-login.php HTTP/1.1" 200 11220 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
148.72.212.159 - - \[20/Sep/2020:03:48:43 +0200\] "POST /wp-login.php HTTP/1.1" 200 11220 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
...
2020-09-20 18:23:43
222.186.175.215 attackbotsspam
SSH brutforce
2020-09-20 17:58:41
142.44.246.156 attack
2020-09-19 UTC: (21x) - root(21x)
2020-09-20 17:56:53
201.72.190.98 attackspam
SSHD brute force attack detected from [201.72.190.98]
2020-09-20 18:17:34
154.83.15.91 attack
21 attempts against mh-ssh on cloud
2020-09-20 18:05:31
177.87.68.225 attackspambots
Brute force attempt
2020-09-20 18:25:30
14.161.45.187 attackbots
Invalid user tester from 14.161.45.187 port 35104
2020-09-20 18:04:22
194.187.151.237 attackbotsspam
(sshd) Failed SSH login from 194.187.151.237 (UA/Ukraine/host-194.187.151.237.ardinvest.net): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 20 05:53:25 optimus sshd[3900]: Invalid user pi from 194.187.151.237
Sep 20 05:53:25 optimus sshd[3902]: Invalid user pi from 194.187.151.237
Sep 20 05:53:25 optimus sshd[3900]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.187.151.237 
Sep 20 05:53:25 optimus sshd[3902]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.187.151.237 
Sep 20 05:53:27 optimus sshd[3900]: Failed password for invalid user pi from 194.187.151.237 port 41730 ssh2
2020-09-20 18:20:01
173.201.196.143 attackbots
[SatSep1918:59:32.2084472020][:error][pid3072:tid47839016244992][client173.201.196.143:28696][client173.201.196.143]ModSecurity:Accessdeniedwithcode403\(phase2\).Patternmatch"\(wp-\)\?config\\\\\\\\.\(php\)\?\\\\\\\\.\(\?:bac\?k\|o\(\?:ld\|rig\)\|copy\|tmp\|s\(\?:ave\|wp\)\|vim\?\\\\\\\\.\|~\)"atREQUEST_FILENAME.[file"/etc/apache2/conf.d/modsec_rules/10_asl_rules.conf"][line"1254"][id"390597"][rev"2"][msg"Atomicorp.comWAFRules:AttackBlocked-DataLeakage-attempttoaccessbackupsystem/applicationconfigfile\(disablethisruleonlyifyouwanttoallowanyoneaccesstothesebackupfiles\)"][severity"CRITICAL"][hostname"lacasadeitesori.com"][uri"/wp-config.php.save"][unique_id"X2Y49LJ5zn41gxH-9QEj4wAAAVM"][SatSep1918:59:38.9376942020][:error][pid2772:tid47839009941248][client173.201.196.143:29296][client173.201.196.143]ModSecurity:Accessdeniedwithcode403\(phase2\).Patternmatch"\(wp-\)\?config\\\\\\\\.\(php\)\?\\\\\\\\.\(\?:bac\?k\|o\(\?:ld\|rig\)\|copy\|tmp\|s\(\?:ave\|wp\)\|vim\?\\\\\\\\.\|~\)"atREQUEST_FIL
2020-09-20 17:45:04
157.55.39.152 attackspambots
Forbidden directory scan :: 2020/09/19 16:59:32 [error] 1010#1010: *3038809 access forbidden by rule, client: 157.55.39.152, server: [censored_1], request: "GET /knowledge-base/tech-tips-tricks/text... HTTP/1.1", host: "www.[censored_1]"
2020-09-20 17:59:37
152.170.65.133 attackbots
2020-09-20T09:18:56+0000 Failed SSH Authentication/Brute Force Attack. (Server 6)
2020-09-20 18:06:04
216.218.206.85 attackbotsspam
Found on   CINS badguys     / proto=17  .  srcport=4817  .  dstport=1434  .     (1704)
2020-09-20 18:24:08
49.233.32.245 attackspam
Sep 20 10:38:45 vmd17057 sshd[1859]: Failed password for root from 49.233.32.245 port 38842 ssh2
...
2020-09-20 18:00:33
111.20.200.22 attackbotsspam
(smtpauth) Failed SMTP AUTH login from 111.20.200.22 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2020-09-20 04:46:21 dovecot_login authenticator failed for (rosaritoreservations.com) [111.20.200.22]:36758: 535 Incorrect authentication data (set_id=nologin)
2020-09-20 04:46:50 dovecot_login authenticator failed for (rosaritoreservations.com) [111.20.200.22]:41878: 535 Incorrect authentication data (set_id=postmaster@rosaritoreservations.com)
2020-09-20 04:47:23 dovecot_login authenticator failed for (rosaritoreservations.com) [111.20.200.22]:45042: 535 Incorrect authentication data (set_id=postmaster)
2020-09-20 05:09:58 dovecot_login authenticator failed for (bajasback.com) [111.20.200.22]:54756: 535 Incorrect authentication data (set_id=nologin)
2020-09-20 05:10:34 dovecot_login authenticator failed for (bajasback.com) [111.20.200.22]:58908: 535 Incorrect authentication data (set_id=postmaster@bajasback.com)
2020-09-20 18:23:00
211.140.196.90 attack
2020-09-20T10:50[Censored Hostname] sshd[16838]: Failed password for root from 211.140.196.90 port 53615 ssh2
2020-09-20T10:52[Censored Hostname] sshd[16893]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.140.196.90  user=root
2020-09-20T10:52[Censored Hostname] sshd[16893]: Failed password for root from 211.140.196.90 port 35453 ssh2[...]
2020-09-20 17:54:03

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