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 <<>> 104.21.5.4
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50207
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.5.4.			IN	A

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

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:26:29 CST 2022
;; MSG SIZE  rcvd: 103
Host info
Host 4.5.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 4.5.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
190.8.80.42 attack
Nov 28 21:08:51 sso sshd[3130]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.8.80.42
Nov 28 21:08:53 sso sshd[3130]: Failed password for invalid user orimo from 190.8.80.42 port 49739 ssh2
...
2019-11-29 05:13:15
197.248.190.170 attackbotsspam
postfix (unknown user, SPF fail or relay access denied)
2019-11-29 04:50:55
76.183.68.37 attack
[ThuNov2815:27:35.7545512019][:error][pid31979:tid47933157246720][client76.183.68.37:33578][client76.183.68.37]ModSecurity:Accessdeniedwithcode403\(phase2\).Patternmatch"\\\\\\\\.sql\$"atREQUEST_FILENAME.[file"/etc/apache2/conf.d/modsec_rules/10_asl_rules.conf"][line"1288"][id"350590"][rev"2"][msg"Atomicorp.comWAFRules:AttackBlocked-Dataleakage-attempttoaccessrawSQLfiles\(disablethisruleifyourequireaccesstofilesthatendwith.sql\)"][severity"CRITICAL"][hostname"www.ilgiornaledelticino.ch"][uri"/05-2019.sql"][unique_id"Xd-ZV4rVVANNdvmEfl12wgAAANM"][ThuNov2815:27:46.9037742019][:error][pid31905:tid47933136234240][client76.183.68.37:34336][client76.183.68.37]ModSecurity:Accessdeniedwithcode403\(phase2\).Patternmatch"\\\\\\\\.sql\$"atREQUEST_FILENAME.[file"/etc/apache2/conf.d/modsec_rules/10_asl_rules.conf"][line"1288"][id"350590"][rev"2"][msg"Atomicorp.comWAFRules:AttackBlocked-Dataleakage-attempttoaccessrawSQLfiles\(disablethisruleifyourequireaccesstofilesthatendwith.sql\)"][severi
2019-11-29 05:09:29
82.77.134.150 attack
Automatic report - Port Scan Attack
2019-11-29 04:48:40
197.118.222.206 attackspambots
197.118.222.206 - - [28/Nov/2019:15:27:47 +0100] "GET /wp-login.php HTTP/1.1" 403 1012 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1"
2019-11-29 05:11:50
106.12.188.252 attackspam
Triggered by Fail2Ban at Vostok web server
2019-11-29 04:56:29
199.217.113.208 attackbotsspam
RDP Bruteforce
2019-11-29 04:56:56
183.167.211.135 attack
Invalid user winkelmann from 183.167.211.135 port 35604
2019-11-29 04:58:54
168.232.130.87 attack
2019-11-28T15:28:43.028770host3.slimhost.com.ua sshd[3983998]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.232.130.87  user=root
2019-11-28T15:28:44.797769host3.slimhost.com.ua sshd[3983998]: Failed password for root from 168.232.130.87 port 41850 ssh2
2019-11-28T15:28:47.368756host3.slimhost.com.ua sshd[3983998]: Failed password for root from 168.232.130.87 port 41850 ssh2
2019-11-28T15:28:43.028770host3.slimhost.com.ua sshd[3983998]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.232.130.87  user=root
2019-11-28T15:28:44.797769host3.slimhost.com.ua sshd[3983998]: Failed password for root from 168.232.130.87 port 41850 ssh2
2019-11-28T15:28:47.368756host3.slimhost.com.ua sshd[3983998]: Failed password for root from 168.232.130.87 port 41850 ssh2
2019-11-28T15:28:43.028770host3.slimhost.com.ua sshd[3983998]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost
...
2019-11-29 04:44:35
185.153.199.2 attackspambots
Nov 28 19:38:02 h2177944 kernel: \[7841570.434922\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=185.153.199.2 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=44772 PROTO=TCP SPT=50742 DPT=3003 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov 28 19:54:40 h2177944 kernel: \[7842568.969001\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=185.153.199.2 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=31188 PROTO=TCP SPT=50742 DPT=7000 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov 28 19:59:04 h2177944 kernel: \[7842832.425553\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=185.153.199.2 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=49127 PROTO=TCP SPT=50742 DPT=3360 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov 28 20:03:30 h2177944 kernel: \[7843097.911417\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=185.153.199.2 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=49449 PROTO=TCP SPT=50742 DPT=4014 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov 28 20:03:31 h2177944 kernel: \[7843099.751375\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=185.153.199.2 DST=85.214.117.9
2019-11-29 05:03:25
68.183.178.162 attackspambots
Nov 28 21:00:01 vps691689 sshd[17771]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.178.162
Nov 28 21:00:02 vps691689 sshd[17771]: Failed password for invalid user fffffff from 68.183.178.162 port 35314 ssh2
Nov 28 21:07:09 vps691689 sshd[17917]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.178.162
...
2019-11-29 05:02:47
104.131.167.134 attackspambots
Automatic report - XMLRPC Attack
2019-11-29 05:13:44
192.236.236.89 attackbotsspam
[SPAM] The Last Charging Cable You'll Ever Buy. Guaranteed.
2019-11-29 04:37:39
98.30.24.54 attack
Automatic report - Port Scan Attack
2019-11-29 05:08:08
118.24.89.243 attack
Invalid user pacita from 118.24.89.243 port 56394
2019-11-29 04:54:17

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