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 of America (the)

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 <<>> 21.77.31.104
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 45569
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.77.31.104.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020500 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 05 19:14:25 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 104.31.77.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 104.31.77.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
112.11.82.186 attack
Connection by 112.11.82.186 on port: 139 got caught by honeypot at 10/14/2019 4:42:29 AM
2019-10-15 03:27:33
190.195.13.138 attack
2019-10-14T20:28:58.719388tmaserv sshd\[19511\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.195.13.138
2019-10-14T20:29:00.316758tmaserv sshd\[19511\]: Failed password for invalid user penis123 from 190.195.13.138 port 41688 ssh2
2019-10-14T21:32:36.352458tmaserv sshd\[22169\]: Invalid user Pass from 190.195.13.138 port 37502
2019-10-14T21:32:36.355214tmaserv sshd\[22169\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.195.13.138
2019-10-14T21:32:38.434043tmaserv sshd\[22169\]: Failed password for invalid user Pass from 190.195.13.138 port 37502 ssh2
2019-10-14T21:37:13.330251tmaserv sshd\[22364\]: Invalid user solar from 190.195.13.138 port 47298
2019-10-14T21:37:13.333548tmaserv sshd\[22364\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.195.13.138
...
2019-10-15 03:24:28
5.196.217.177 attackspam
Oct 14 19:21:03 mail postfix/smtpd\[19729\]: warning: unknown\[5.196.217.177\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Oct 14 20:04:09 mail postfix/smtpd\[22071\]: warning: unknown\[5.196.217.177\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Oct 14 20:12:59 mail postfix/smtpd\[19912\]: warning: unknown\[5.196.217.177\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Oct 14 20:25:20 mail postfix/smtpd\[22236\]: warning: unknown\[5.196.217.177\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
2019-10-15 03:07:37
103.97.136.57 attackspambots
Oct 14 13:31:51 mail1 sshd[18813]: Did not receive identification string from 103.97.136.57 port 59251
Oct 14 13:32:03 mail1 sshd[18820]: Invalid user admina from 103.97.136.57 port 52041
Oct 14 13:32:04 mail1 sshd[18820]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.97.136.57
Oct 14 13:32:06 mail1 sshd[18820]: Failed password for invalid user admina from 103.97.136.57 port 52041 ssh2
Oct 14 13:32:06 mail1 sshd[18820]: Connection closed by 103.97.136.57 port 52041 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=103.97.136.57
2019-10-15 03:24:00
178.128.231.166 attackspambots
Oct 15 01:48:12 webhost01 sshd[27702]: Failed password for root from 178.128.231.166 port 50004 ssh2
...
2019-10-15 02:57:21
51.38.129.20 attackspambots
$f2bV_matches
2019-10-15 02:57:01
153.135.178.194 attackbotsspam
Unauthorised access (Oct 14) SRC=153.135.178.194 LEN=40 TOS=0x10 PREC=0x40 TTL=50 ID=47720 TCP DPT=8080 WINDOW=37394 SYN 
Unauthorised access (Oct 14) SRC=153.135.178.194 LEN=40 TOS=0x10 PREC=0x40 TTL=50 ID=41834 TCP DPT=8080 WINDOW=37394 SYN
2019-10-15 03:15:10
45.227.253.138 attackbotsspam
2019-10-14 21:09:39 dovecot_login authenticator failed for \(\[45.227.253.138\]\) \[45.227.253.138\]: 535 Incorrect authentication data \(set_id=root@opso.it\)
2019-10-14 21:09:46 dovecot_login authenticator failed for \(\[45.227.253.138\]\) \[45.227.253.138\]: 535 Incorrect authentication data \(set_id=root\)
2019-10-14 21:13:50 dovecot_login authenticator failed for \(\[45.227.253.138\]\) \[45.227.253.138\]: 535 Incorrect authentication data \(set_id=admin@orogest.it\)
2019-10-14 21:13:57 dovecot_login authenticator failed for \(\[45.227.253.138\]\) \[45.227.253.138\]: 535 Incorrect authentication data \(set_id=admin\)
2019-10-14 21:14:13 dovecot_login authenticator failed for \(\[45.227.253.138\]\) \[45.227.253.138\]: 535 Incorrect authentication data
2019-10-15 03:16:22
167.99.159.35 attackbots
Oct 14 16:36:46 www sshd\[5653\]: Invalid user acalendra from 167.99.159.35
Oct 14 16:36:46 www sshd\[5653\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.159.35
Oct 14 16:36:48 www sshd\[5653\]: Failed password for invalid user acalendra from 167.99.159.35 port 43228 ssh2
...
2019-10-15 03:14:52
89.109.23.190 attack
$f2bV_matches
2019-10-15 03:15:55
212.223.35.234 attack
Oct 14 18:31:33 sauna sshd[192671]: Failed password for root from 212.223.35.234 port 49466 ssh2
Oct 14 18:31:35 sauna sshd[192671]: Failed password for root from 212.223.35.234 port 49466 ssh2
...
2019-10-15 03:03:40
118.175.38.5 attack
Looking for resource vulnerabilities
2019-10-15 03:00:31
80.211.113.144 attack
Oct 14 15:15:06 firewall sshd[29071]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.113.144
Oct 14 15:15:06 firewall sshd[29071]: Invalid user ashok from 80.211.113.144
Oct 14 15:15:08 firewall sshd[29071]: Failed password for invalid user ashok from 80.211.113.144 port 55950 ssh2
...
2019-10-15 03:13:21
62.157.0.243 attackbotsspam
Oct 14 16:16:30 shared-1 sshd\[15423\]: Invalid user pi from 62.157.0.243Oct 14 16:16:30 shared-1 sshd\[15425\]: Invalid user pi from 62.157.0.243
...
2019-10-15 03:02:51
210.17.195.138 attackspam
Oct 14 09:17:07 php1 sshd\[6470\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.17.195.138  user=root
Oct 14 09:17:09 php1 sshd\[6470\]: Failed password for root from 210.17.195.138 port 38092 ssh2
Oct 14 09:20:54 php1 sshd\[6775\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.17.195.138  user=root
Oct 14 09:20:55 php1 sshd\[6775\]: Failed password for root from 210.17.195.138 port 48628 ssh2
Oct 14 09:24:39 php1 sshd\[7095\]: Invalid user student from 210.17.195.138
2019-10-15 03:31:02

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