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 <<>> 104.21.12.157
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55509
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.12.157.			IN	A

;; AUTHORITY SECTION:
.			429	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 67 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 07:51:24 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 157.12.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 157.12.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.52.156.219 attackbots
Sep  9 17:54:20 hosting sshd[14384]: Invalid user oneadmin from 106.52.156.219 port 40876
...
2019-09-10 08:32:34
165.22.110.16 attackspambots
Sep  9 13:37:55 tdfoods sshd\[12107\]: Invalid user 1 from 165.22.110.16
Sep  9 13:37:55 tdfoods sshd\[12107\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.110.16
Sep  9 13:37:56 tdfoods sshd\[12107\]: Failed password for invalid user 1 from 165.22.110.16 port 52194 ssh2
Sep  9 13:45:15 tdfoods sshd\[13048\]: Invalid user 1234qwer from 165.22.110.16
Sep  9 13:45:15 tdfoods sshd\[13048\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.110.16
2019-09-10 08:40:32
217.61.6.112 attackbotsspam
Sep  9 21:24:27 ns3110291 sshd\[29152\]: Invalid user teamspeak from 217.61.6.112
Sep  9 21:24:27 ns3110291 sshd\[29152\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.61.6.112 
Sep  9 21:24:30 ns3110291 sshd\[29152\]: Failed password for invalid user teamspeak from 217.61.6.112 port 33052 ssh2
Sep  9 21:29:40 ns3110291 sshd\[29699\]: Invalid user ftpuser from 217.61.6.112
Sep  9 21:29:40 ns3110291 sshd\[29699\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.61.6.112 
...
2019-09-10 08:15:31
47.74.184.26 attackbotsspam
Sep  9 15:54:21 MK-Soft-VM7 sshd\[14340\]: Invalid user newuser from 47.74.184.26 port 24155
Sep  9 15:54:21 MK-Soft-VM7 sshd\[14340\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=47.74.184.26
Sep  9 15:54:24 MK-Soft-VM7 sshd\[14340\]: Failed password for invalid user newuser from 47.74.184.26 port 24155 ssh2
...
2019-09-10 08:36:25
80.82.78.87 attack
Blocked for port scanning.
Time: Mon Sep 9. 17:59:40 2019 +0200
IP: 80.82.78.87 (NL/Netherlands/-)

Sample of block hits:
Sep 9 17:55:56 vserv kernel: [17688457.827528] Firewall: *TCP_IN Blocked* IN=venet0 OUT= MAC= SRC=80.82.78.87 DST=[removed] LEN=40 TOS=0x00 PREC=0x00 TTL=242 ID=27814 PROTO=TCP SPT=44212 DPT=3393 WINDOW=1024 RES=0x00 SYN URGP=0
Sep 9 17:56:02 vserv kernel: [17688464.355150] Firewall: *TCP_IN Blocked* IN=venet0 OUT= MAC= SRC=80.82.78.87 DST=[removed] LEN=40 TOS=0x00 PREC=0x00 TTL=242 ID=55784 PROTO=TCP SPT=44212 DPT=3396 WINDOW=1024 RES=0x00 SYN URGP=0
Sep 9 17:56:18 vserv kernel: [17688480.291224] Firewall: *TCP_IN Blocked* IN=venet0 OUT= MAC= SRC=80.82.78.87 DST=[removed] LEN=40 TOS=0x00 PREC=0x00 TTL=242 ID=59198 PROTO=TCP SPT=44212 DPT=3384 WINDOW=1024 RES=0x00 SYN URGP=0
Sep 9 17:56:23 vserv kernel: [17688484.787144] Firewall: *TCP_IN Blocked* IN=venet0 OUT= MAC= SRC=80.82.78.87 DST=[removed] LEN=40 TOS=0x00 PREC=0x00 TTL=242 ID=13812 PROTO=TCP SPT=44577 DPT=3400 ....
2019-09-10 08:25:03
81.183.253.86 attack
Sep  9 11:44:51 sachi sshd\[26429\]: Invalid user server from 81.183.253.86
Sep  9 11:44:51 sachi sshd\[26429\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=dsl51b7fd56.fixip.t-online.hu
Sep  9 11:44:53 sachi sshd\[26429\]: Failed password for invalid user server from 81.183.253.86 port 12288 ssh2
Sep  9 11:53:09 sachi sshd\[27179\]: Invalid user support@123 from 81.183.253.86
Sep  9 11:53:09 sachi sshd\[27179\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=dsl51b7fd56.fixip.t-online.hu
2019-09-10 08:07:16
142.93.102.38 attack
tcp_port_scan
2019-09-10 08:23:37
49.88.112.80 attackbotsspam
Sep  9 14:58:07 sachi sshd\[11557\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.80  user=root
Sep  9 14:58:09 sachi sshd\[11557\]: Failed password for root from 49.88.112.80 port 51935 ssh2
Sep  9 14:58:14 sachi sshd\[11574\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.80  user=root
Sep  9 14:58:16 sachi sshd\[11574\]: Failed password for root from 49.88.112.80 port 55486 ssh2
Sep  9 14:58:18 sachi sshd\[11574\]: Failed password for root from 49.88.112.80 port 55486 ssh2
2019-09-10 08:59:01
68.183.48.172 attackspambots
Sep  9 14:18:45 lcprod sshd\[23250\]: Invalid user anonimus from 68.183.48.172
Sep  9 14:18:45 lcprod sshd\[23250\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.48.172
Sep  9 14:18:47 lcprod sshd\[23250\]: Failed password for invalid user anonimus from 68.183.48.172 port 59444 ssh2
Sep  9 14:24:49 lcprod sshd\[23798\]: Invalid user 123 from 68.183.48.172
Sep  9 14:24:49 lcprod sshd\[23798\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.48.172
2019-09-10 08:30:31
165.227.196.144 attack
Sep  9 17:48:49 yabzik sshd[21942]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.196.144
Sep  9 17:48:51 yabzik sshd[21942]: Failed password for invalid user odoo from 165.227.196.144 port 37622 ssh2
Sep  9 17:54:27 yabzik sshd[23975]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.196.144
2019-09-10 08:26:18
2001:41d0:602:1a4f::2 attackspam
CEC-EPN Cursos de Excel virtuales
informacion@cec-epn.edu.ec
www.cec-epn.edu.ec
postmaster@cecepn.com
http://cecepn.com
informacion@cec-epn.edu.ec
2019-09-10 08:35:09
74.63.250.6 attackbotsspam
Sep 10 02:28:13 vps01 sshd[22152]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=74.63.250.6
Sep 10 02:28:15 vps01 sshd[22152]: Failed password for invalid user user from 74.63.250.6 port 45818 ssh2
2019-09-10 08:33:09
185.231.245.194 attack
Sep  9 22:53:32 mail sshd\[7811\]: Invalid user testsftp from 185.231.245.194 port 48182
Sep  9 22:53:32 mail sshd\[7811\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.231.245.194
Sep  9 22:53:34 mail sshd\[7811\]: Failed password for invalid user testsftp from 185.231.245.194 port 48182 ssh2
Sep  9 22:59:20 mail sshd\[8640\]: Invalid user mcadmin from 185.231.245.194 port 53710
Sep  9 22:59:20 mail sshd\[8640\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.231.245.194
2019-09-10 08:25:47
159.89.55.126 attack
Sep 10 03:21:37 www sshd\[60853\]: Invalid user ftpuser from 159.89.55.126
Sep 10 03:21:37 www sshd\[60853\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.55.126
Sep 10 03:21:39 www sshd\[60853\]: Failed password for invalid user ftpuser from 159.89.55.126 port 49624 ssh2
...
2019-09-10 08:33:54
121.165.66.226 attack
Sep  9 16:54:38 srv206 sshd[11447]: Invalid user uftp from 121.165.66.226
...
2019-09-10 08:21:56

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