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 <<>> 104.18.21.77
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2817
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.18.21.77.			IN	A

;; AUTHORITY SECTION:
.			240	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022031100 1800 900 604800 86400

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Mar 11 18:37:46 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 77.21.18.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 77.21.18.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
80.88.88.181 attackbots
Oct  2 16:36:25 h2177944 sshd\[21866\]: Invalid user vasant from 80.88.88.181 port 44410
Oct  2 16:36:25 h2177944 sshd\[21866\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.88.88.181
Oct  2 16:36:27 h2177944 sshd\[21866\]: Failed password for invalid user vasant from 80.88.88.181 port 44410 ssh2
Oct  2 16:40:44 h2177944 sshd\[22029\]: Invalid user admin from 80.88.88.181 port 39324
...
2019-10-02 22:45:11
91.206.14.247 attackspambots
RDP brute force attack detected by fail2ban
2019-10-02 22:36:32
222.186.15.160 attackspam
Oct  2 16:03:59 vpn01 sshd[31236]: Failed password for root from 222.186.15.160 port 50760 ssh2
...
2019-10-02 23:05:18
61.76.175.195 attackbots
Oct  2 04:41:05 sachi sshd\[29023\]: Invalid user 2wsx\#edc from 61.76.175.195
Oct  2 04:41:05 sachi sshd\[29023\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.76.175.195
Oct  2 04:41:07 sachi sshd\[29023\]: Failed password for invalid user 2wsx\#edc from 61.76.175.195 port 37598 ssh2
Oct  2 04:46:09 sachi sshd\[29440\]: Invalid user Password1234 from 61.76.175.195
Oct  2 04:46:09 sachi sshd\[29440\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.76.175.195
2019-10-02 22:58:11
112.175.120.175 attackbots
3389BruteforceFW21
2019-10-02 22:30:07
223.220.159.78 attackspam
Oct  2 15:32:58 vps691689 sshd[2185]: Failed password for root from 223.220.159.78 port 41982 ssh2
Oct  2 15:37:39 vps691689 sshd[2277]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.220.159.78
...
2019-10-02 22:47:21
144.217.15.161 attack
2019-10-02T10:22:35.0053841495-001 sshd\[57790\]: Failed password for invalid user dead from 144.217.15.161 port 43352 ssh2
2019-10-02T10:36:03.2440901495-001 sshd\[58822\]: Invalid user mgithinji from 144.217.15.161 port 56746
2019-10-02T10:36:03.2513121495-001 sshd\[58822\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.ip-144-217-15.net
2019-10-02T10:36:05.6763911495-001 sshd\[58822\]: Failed password for invalid user mgithinji from 144.217.15.161 port 56746 ssh2
2019-10-02T10:40:35.5658561495-001 sshd\[59083\]: Invalid user guest from 144.217.15.161 port 53444
2019-10-02T10:40:35.5733291495-001 sshd\[59083\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.ip-144-217-15.net
...
2019-10-02 23:03:35
138.117.108.88 attack
Oct  2 09:10:33 ny01 sshd[24070]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.117.108.88
Oct  2 09:10:34 ny01 sshd[24070]: Failed password for invalid user testing from 138.117.108.88 port 55797 ssh2
Oct  2 09:17:52 ny01 sshd[25324]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.117.108.88
2019-10-02 22:20:17
138.68.72.83 attackspam
Oct  1 19:04:23 our-server-hostname postfix/smtpd[8724]: connect from unknown[138.68.72.83]
Oct  1 19:04:23 our-server-hostname postfix/smtpd[8724]: lost connection after CONNECT from unknown[138.68.72.83]
Oct  1 19:04:23 our-server-hostname postfix/smtpd[8724]: disconnect from unknown[138.68.72.83]
Oct  1 19:19:58 our-server-hostname postfix/smtpd[20253]: connect from unknown[138.68.72.83]
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct  1 19:20:05 our-server-hostname postfix/smtpd[20253]: lost connection after RCPT from unknown[138.68.72.83]
Oct  1 19:20:05 our-server-hostname postfix/smtpd[20253]: disconnect from unknown[138.68.72.83]
Oct  1 20:11:38 our-server-hostname postfix/smtpd[23567]: connect from unknown[138.68.72.83]
Oct  1 20:11:38 our-server-hostname postfix/smtpd[23567]: lost connection after CONNECT from unknown[138.68.72.83]
Oct  1 20:11:38 our-server-hostname postfix/smtpd[23567]: disconnect from unknown[138.68.72.83]
Oct  1 20:16:32 our-se........
-------------------------------
2019-10-02 22:40:28
111.69.81.8 attackbotsspam
Brute force SMTP login attempted.
...
2019-10-02 23:02:43
107.170.96.35 attackbotsspam
WINDHUNDGANG.DE 107.170.96.35 \[02/Oct/2019:14:34:28 +0200\] "POST /xmlrpc.php HTTP/1.1" 200 4305 "-" "Mozilla/5.0 \(Windows NT 10.0\; Win64\; x64\) AppleWebKit/537.36 \(KHTML, like Gecko\) Chrome/60.0.3112.113 Safari/537.36"
windhundgang.de 107.170.96.35 \[02/Oct/2019:14:34:28 +0200\] "POST /xmlrpc.php HTTP/1.1" 200 4305 "-" "Mozilla/5.0 \(Windows NT 10.0\; Win64\; x64\) AppleWebKit/537.36 \(KHTML, like Gecko\) Chrome/60.0.3112.113 Safari/537.36"
2019-10-02 22:36:09
116.74.127.207 attack
Automatic report - Port Scan Attack
2019-10-02 22:25:54
96.57.82.166 attackspam
Oct  2 16:56:36 arianus sshd\[7294\]: User ***user*** from 96.57.82.166 not allowed because none of user's groups are listed in AllowGroups
...
2019-10-02 22:57:12
123.207.14.76 attackbots
Triggered by Fail2Ban at Vostok web server
2019-10-02 22:44:03
103.17.55.200 attackspambots
Oct  2 20:10:14 areeb-Workstation sshd[11943]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.17.55.200
Oct  2 20:10:16 areeb-Workstation sshd[11943]: Failed password for invalid user renato from 103.17.55.200 port 51170 ssh2
...
2019-10-02 22:58:41

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