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 <<>> 104.21.77.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10979
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.77.66.			IN	A

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

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:56:58 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 66.77.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.77.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
185.77.50.173 attackbotsspam
Jul  7 15:47:38 vpn01 sshd\[945\]: Invalid user a from 185.77.50.173
Jul  7 15:47:38 vpn01 sshd\[945\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.77.50.173
Jul  7 15:47:40 vpn01 sshd\[945\]: Failed password for invalid user a from 185.77.50.173 port 47718 ssh2
2019-07-07 22:03:33
78.128.113.67 attack
Jul  7 15:51:17 mail postfix/smtpd\[27506\]: warning: unknown\[78.128.113.67\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  7 15:51:24 mail postfix/smtpd\[25932\]: warning: unknown\[78.128.113.67\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  7 15:51:46 mail postfix/smtpd\[27506\]: warning: unknown\[78.128.113.67\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-07-07 21:55:38
189.89.212.196 attackbotsspam
SMTP-sasl brute force
...
2019-07-07 21:40:04
159.203.196.79 attackbots
Automatic report - Web App Attack
2019-07-07 21:33:47
77.247.108.131 attack
Jul  7 10:39:11 mail kernel: [1295069.532489] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=77.247.108.131 DST=77.73.69.240 LEN=442 TOS=0x08 PREC=0x20 TTL=55 ID=36584 DF PROTO=UDP SPT=5449 DPT=3090 LEN=422 
Jul  7 10:39:11 mail kernel: [1295069.532549] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=77.247.108.131 DST=77.73.69.240 LEN=444 TOS=0x08 PREC=0x20 TTL=55 ID=36585 DF PROTO=UDP SPT=5449 DPT=3100 LEN=424 
Jul  7 10:39:11 mail kernel: [1295069.532564] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=77.247.108.131 DST=77.73.69.240 LEN=441 TOS=0x08 PREC=0x20 TTL=55 ID=36586 DF PROTO=UDP SPT=5449 DPT=3110 LEN=421 
Jul  7 10:39:11 mail kernel: [1295069.532583] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=77.247.108.131 DST=77.73.69.240 LEN=443 TOS=0x08 PREC=0x20 TTL=55 ID=36587 DF PROTO=UDP SPT=5449 DPT=3120 LEN=423 
Jul  7 10:39:11 mail kernel: [1295069.532682] [UFW BLOCK] IN=eth0 OUT= MAC=00:16
2019-07-07 21:49:02
206.189.76.227 attackbots
Jul  7 09:08:43 Proxmox sshd\[9293\]: Invalid user arturo from 206.189.76.227 port 54940
Jul  7 09:08:43 Proxmox sshd\[9293\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.76.227
Jul  7 09:08:45 Proxmox sshd\[9293\]: Failed password for invalid user arturo from 206.189.76.227 port 54940 ssh2
Jul  7 09:13:41 Proxmox sshd\[16077\]: Invalid user jf from 206.189.76.227 port 56304
Jul  7 09:13:41 Proxmox sshd\[16077\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.76.227
Jul  7 09:13:43 Proxmox sshd\[16077\]: Failed password for invalid user jf from 206.189.76.227 port 56304 ssh2
2019-07-07 21:44:25
185.89.100.243 attackspambots
[SunJul0715:47:10.0609712019][:error][pid15755:tid47152582354688][client185.89.100.243:45998][client185.89.100.243]ModSecurity:Accessdeniedwithcode403\(phase2\).Matchof"rx\(MSWebServicesClientProtocol\|WormlyBot\|webauth@cmcm\\\\\\\\.com\)"against"REQUEST_HEADERS:User-Agent"required.[file"/usr/local/apache.ea3/conf/modsec_rules/20_asl_useragents.conf"][line"391"][id"397989"][rev"1"][msg"Atomicorp.comWAFRules:MSIE6.0detected\(DisableifyouwanttoallowMSIE6\)"][severity"WARNING"][hostname"panfm.ch"][uri"/wp-content/plugins/twitterB/uninstall.php"][unique_id"XSH33oAv6aZAGiQCGEMkYwAAAMM"]\,referer:http://panfm.ch/wp-content/plugins/twitterB/uninstall.php[SunJul0715:47:12.6127112019][:error][pid15753:tid47152580253440][client185.89.100.243:35748][client185.89.100.243]ModSecurity:Accessdeniedwithcode403\(phase2\).Matchof"rx\(MSWebServicesClientProtocol\|WormlyBot\|webauth@cmcm\\\\\\\\.com\)"against"REQUEST_HEADERS:User-Agent"required.[file"/usr/local/apache.ea3/conf/modsec_rules/20_asl_user
2019-07-07 22:12:48
93.142.114.30 attackspam
2019-07-07 22:07:27
177.126.216.73 attackbots
failed_logins
2019-07-07 22:17:08
179.167.50.62 attack
SSH/22 MH Probe, BF, Hack -
2019-07-07 22:23:59
182.112.208.203 attack
Honeypot attack, port: 23, PTR: hn.kd.ny.adsl.
2019-07-07 21:49:27
187.162.56.252 attackbots
Honeypot attack, port: 23, PTR: 187-162-56-252.static.axtel.net.
2019-07-07 21:50:10
106.12.194.79 attack
Automatic report
2019-07-07 21:57:46
54.39.96.8 attackbotsspam
07.07.2019 13:47:38 SSH access blocked by firewall
2019-07-07 22:04:56
138.201.111.97 attackbotsspam
Jul  4 23:05:00 menkisyscloudsrv97 sshd[2495]: Invalid user n from 138.201.111.97
Jul  4 23:05:03 menkisyscloudsrv97 sshd[2495]: Failed password for invalid user n from 138.201.111.97 port 58660 ssh2
Jul  4 23:05:24 menkisyscloudsrv97 sshd[2609]: Invalid user ts3 from 138.201.111.97
Jul  4 23:05:26 menkisyscloudsrv97 sshd[2609]: Failed password for invalid user ts3 from 138.201.111.97 port 47154 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=138.201.111.97
2019-07-07 22:23:31

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