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

Internet Service Provider: Microsoft Corporation

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackspambots
Unauthorised connection attempt detected at AUO MAIN. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-07-09 23:15:57
attack
Multiple SSH authentication failures from 104.42.76.121
2020-07-01 00:09:14
attackbots
Failed password for invalid user sebastian from 104.42.76.121 port 32982 ssh2
2020-06-21 19:26:48
attackspambots
Jun 19 12:19:44 django-0 sshd[14825]: Invalid user xxs from 104.42.76.121
...
2020-06-20 02:23:05
attackspambots
Lines containing failures of 104.42.76.121
Jun 12 06:23:39 zabbix sshd[81213]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.42.76.121  user=r.r
Jun 12 06:23:40 zabbix sshd[81213]: Failed password for r.r from 104.42.76.121 port 53692 ssh2
Jun 12 06:23:41 zabbix sshd[81213]: Received disconnect from 104.42.76.121 port 53692:11: Bye Bye [preauth]
Jun 12 06:23:41 zabbix sshd[81213]: Disconnected from authenticating user r.r 104.42.76.121 port 53692 [preauth]
Jun 12 06:34:22 zabbix sshd[87288]: Invalid user library1 from 104.42.76.121 port 51216
Jun 12 06:34:22 zabbix sshd[87288]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.42.76.121
Jun 12 06:34:24 zabbix sshd[87288]: Failed password for invalid user library1 from 104.42.76.121 port 51216 ssh2
Jun 12 06:34:24 zabbix sshd[87288]: Received disconnect from 104.42.76.121 port 51216:11: Bye Bye [preauth]
Jun 12 06:34:24 zabbix sshd[872........
------------------------------
2020-06-14 18:27:07
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.42.76.121
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 41699
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;104.42.76.121.			IN	A

;; AUTHORITY SECTION:
.			537	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020061400 1800 900 604800 86400

;; Query time: 99 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jun 14 18:27:02 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 121.76.42.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 121.76.42.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
66.150.70.243 attackspambots
6,63-07/07 [bc04/m181] PostRequest-Spammer scoring: Dodoma
2020-03-10 04:02:49
159.0.204.82 attackspam
Email rejected due to spam filtering
2020-03-10 03:38:22
189.15.201.225 attackspam
1583756640 - 03/09/2020 13:24:00 Host: 189.15.201.225/189.15.201.225 Port: 445 TCP Blocked
2020-03-10 03:34:12
123.138.18.35 attack
Jan  3 15:52:42 ms-srv sshd[20326]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.138.18.35
Jan  3 15:52:44 ms-srv sshd[20326]: Failed password for invalid user ubuntu from 123.138.18.35 port 53470 ssh2
2020-03-10 03:39:52
89.1.214.201 attack
Email rejected due to spam filtering
2020-03-10 03:41:53
119.28.24.83 attack
2020-03-09T19:25:30.493127randservbullet-proofcloud-66.localdomain sshd[31631]: Invalid user vmuser from 119.28.24.83 port 36550
2020-03-09T19:25:30.499288randservbullet-proofcloud-66.localdomain sshd[31631]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.28.24.83
2020-03-09T19:25:30.493127randservbullet-proofcloud-66.localdomain sshd[31631]: Invalid user vmuser from 119.28.24.83 port 36550
2020-03-09T19:25:32.612357randservbullet-proofcloud-66.localdomain sshd[31631]: Failed password for invalid user vmuser from 119.28.24.83 port 36550 ssh2
...
2020-03-10 03:58:40
87.76.10.89 attackspambots
Port probing on unauthorized port 23
2020-03-10 03:27:08
46.41.150.206 attack
Automatic report BANNED IP
2020-03-10 03:42:09
123.16.68.83 attackbots
Email rejected due to spam filtering
2020-03-10 03:45:36
139.155.86.144 attack
Mar  9 20:34:52  sshd[23859]: Failed password for invalid user node from 139.155.86.144 port 33060 ssh2
2020-03-10 03:38:46
81.213.187.212 attack
$f2bV_matches
2020-03-10 03:25:04
118.27.9.229 attack
Jan  8 04:35:04 ms-srv sshd[22676]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.27.9.229
Jan  8 04:35:05 ms-srv sshd[22676]: Failed password for invalid user pvo from 118.27.9.229 port 59524 ssh2
2020-03-10 03:45:54
222.186.15.65 attackspambots
fail2ban
2020-03-10 04:03:52
68.183.32.244 attack
Mar 10 00:43:59 gw1 sshd[29459]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.32.244
Mar 10 00:44:01 gw1 sshd[29459]: Failed password for invalid user !QAZ2wsxabc from 68.183.32.244 port 33552 ssh2
...
2020-03-10 03:54:27
82.224.146.40 attackspambots
1583756594 - 03/09/2020 13:23:14 Host: 82.224.146.40/82.224.146.40 Port: 445 TCP Blocked
2020-03-10 04:02:29

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