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
attack
Apr 27 05:47:46 srv01 sshd[17656]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.208.234.21  user=root
Apr 27 05:47:48 srv01 sshd[17656]: Failed password for root from 104.208.234.21 port 44758 ssh2
Apr 27 05:54:26 srv01 sshd[17849]: Invalid user wa from 104.208.234.21 port 48934
Apr 27 05:54:26 srv01 sshd[17849]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.208.234.21
Apr 27 05:54:26 srv01 sshd[17849]: Invalid user wa from 104.208.234.21 port 48934
Apr 27 05:54:28 srv01 sshd[17849]: Failed password for invalid user wa from 104.208.234.21 port 48934 ssh2
...
2020-04-27 16:16:35
attack
Apr 25 15:22:15 scw-6657dc sshd[20803]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.208.234.21
Apr 25 15:22:15 scw-6657dc sshd[20803]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.208.234.21
Apr 25 15:22:17 scw-6657dc sshd[20803]: Failed password for invalid user vpn from 104.208.234.21 port 60650 ssh2
...
2020-04-26 03:20:11
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.208.234.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40416
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			593	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020042502 1800 900 604800 86400

;; Query time: 89 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Apr 26 03:20:07 CST 2020
;; MSG SIZE  rcvd: 118
Host info
Host 21.234.208.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.234.208.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.30.112 attack
Aug 26 06:57:39 localhost sshd[45860]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.112  user=root
Aug 26 06:57:41 localhost sshd[45860]: Failed password for root from 222.186.30.112 port 64006 ssh2
Aug 26 06:57:44 localhost sshd[45860]: Failed password for root from 222.186.30.112 port 64006 ssh2
Aug 26 06:57:39 localhost sshd[45860]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.112  user=root
Aug 26 06:57:41 localhost sshd[45860]: Failed password for root from 222.186.30.112 port 64006 ssh2
Aug 26 06:57:44 localhost sshd[45860]: Failed password for root from 222.186.30.112 port 64006 ssh2
Aug 26 06:57:39 localhost sshd[45860]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.112  user=root
Aug 26 06:57:41 localhost sshd[45860]: Failed password for root from 222.186.30.112 port 64006 ssh2
Aug 26 06:57:44 localhost sshd[45860]: Fa
...
2020-08-26 15:00:18
125.27.251.24 attackspambots
Aug 26 04:39:32 shivevps sshd[22785]: Bad protocol version identification '\024' from 125.27.251.24 port 49699
Aug 26 04:42:31 shivevps sshd[27338]: Bad protocol version identification '\024' from 125.27.251.24 port 55305
Aug 26 04:45:29 shivevps sshd[32217]: Bad protocol version identification '\024' from 125.27.251.24 port 59450
...
2020-08-26 15:15:56
222.186.173.226 attackbots
Aug 26 08:56:59 pve1 sshd[6864]: Failed password for root from 222.186.173.226 port 4690 ssh2
Aug 26 08:57:08 pve1 sshd[6864]: Failed password for root from 222.186.173.226 port 4690 ssh2
...
2020-08-26 14:59:38
80.106.247.145 attackspambots
Aug 26 04:37:18 shivevps sshd[18511]: Bad protocol version identification '\024' from 80.106.247.145 port 54099
Aug 26 04:42:19 shivevps sshd[26460]: Bad protocol version identification '\024' from 80.106.247.145 port 60176
Aug 26 04:42:19 shivevps sshd[26496]: Bad protocol version identification '\024' from 80.106.247.145 port 60196
Aug 26 04:44:17 shivevps sshd[30897]: Bad protocol version identification '\024' from 80.106.247.145 port 34929
...
2020-08-26 15:04:16
205.158.57.2 attack
Aug 26 04:44:09 shivevps sshd[30682]: Bad protocol version identification '\024' from 205.158.57.2 port 37069
Aug 26 04:44:22 shivevps sshd[31160]: Bad protocol version identification '\024' from 205.158.57.2 port 37276
Aug 26 04:44:25 shivevps sshd[31263]: Bad protocol version identification '\024' from 205.158.57.2 port 37381
...
2020-08-26 14:49:06
106.54.98.89 attackspam
$f2bV_matches
2020-08-26 15:16:39
202.131.234.142 attack
Aug 26 04:36:50 shivevps sshd[17607]: Bad protocol version identification '\024' from 202.131.234.142 port 58705
Aug 26 04:40:41 shivevps sshd[24423]: Bad protocol version identification '\024' from 202.131.234.142 port 40490
Aug 26 04:41:04 shivevps sshd[25025]: Bad protocol version identification '\024' from 202.131.234.142 port 41572
Aug 26 04:42:52 shivevps sshd[28191]: Bad protocol version identification '\024' from 202.131.234.142 port 45558
...
2020-08-26 15:19:54
212.83.143.41 attackbots
Aug 26 04:42:53 shivevps sshd[28241]: Bad protocol version identification '\024' from 212.83.143.41 port 55369
Aug 26 04:43:00 shivevps sshd[28521]: Bad protocol version identification '\024' from 212.83.143.41 port 52749
Aug 26 04:44:13 shivevps sshd[30721]: Bad protocol version identification '\024' from 212.83.143.41 port 43625
Aug 26 04:44:17 shivevps sshd[30923]: Bad protocol version identification '\024' from 212.83.143.41 port 52341
...
2020-08-26 15:08:20
112.78.169.98 attackbots
Aug 26 04:44:15 shivevps sshd[30805]: Bad protocol version identification '\024' from 112.78.169.98 port 50156
Aug 26 04:44:17 shivevps sshd[30912]: Bad protocol version identification '\024' from 112.78.169.98 port 50316
Aug 26 04:44:21 shivevps sshd[31139]: Bad protocol version identification '\024' from 112.78.169.98 port 50567
...
2020-08-26 15:09:25
45.55.189.252 attackbotsspam
<6 unauthorized SSH connections
2020-08-26 15:10:24
14.181.124.228 attack
1598414016 - 08/26/2020 05:53:36 Host: 14.181.124.228/14.181.124.228 Port: 445 TCP Blocked
...
2020-08-26 15:15:00
167.71.177.236 attackspam
2020-08-26T09:22:49.174042lavrinenko.info sshd[15487]: Invalid user wordpress from 167.71.177.236 port 58102
2020-08-26T09:22:49.180175lavrinenko.info sshd[15487]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.177.236
2020-08-26T09:22:49.174042lavrinenko.info sshd[15487]: Invalid user wordpress from 167.71.177.236 port 58102
2020-08-26T09:22:50.948869lavrinenko.info sshd[15487]: Failed password for invalid user wordpress from 167.71.177.236 port 58102 ssh2
2020-08-26T09:26:54.360178lavrinenko.info sshd[15718]: Invalid user oscar from 167.71.177.236 port 37458
...
2020-08-26 15:02:51
182.253.115.90 attack
Aug 26 04:39:18 shivevps sshd[22378]: Bad protocol version identification '\024' from 182.253.115.90 port 35738
Aug 26 04:40:22 shivevps sshd[24076]: Bad protocol version identification '\024' from 182.253.115.90 port 59515
Aug 26 04:44:18 shivevps sshd[30961]: Bad protocol version identification '\024' from 182.253.115.90 port 36814
...
2020-08-26 14:50:08
117.239.149.94 attackbots
[Wed Aug 26 10:53:34.803560 2020] [:error] [pid 30543:tid 139707031746304] [client 117.239.149.94:63017] [client 117.239.149.94] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197:80"] [severity "WARNING"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "OWASP_CRS"] [tag "OWASP_CRS/PROTOCOL_VIOLATION/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/manager/html"] [unique_id "X0XcviXBG@3tAFpdD8koaAAAAnY"]
...
2020-08-26 15:14:11
140.207.96.235 attackspambots
Aug 26 08:30:10 OPSO sshd\[27834\]: Invalid user my from 140.207.96.235 port 33792
Aug 26 08:30:10 OPSO sshd\[27834\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.207.96.235
Aug 26 08:30:12 OPSO sshd\[27834\]: Failed password for invalid user my from 140.207.96.235 port 33792 ssh2
Aug 26 08:31:33 OPSO sshd\[28464\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.207.96.235  user=root
Aug 26 08:31:35 OPSO sshd\[28464\]: Failed password for root from 140.207.96.235 port 33302 ssh2
2020-08-26 14:57:05

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