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: Azerbaijan

Internet Service Provider: CNC.az MMC

Hostname: unknown

Organization: unknown

Usage Type: Commercial

Comments:
Type Details Datetime
attack
Lines containing failures of 91.242.21.245
Jul 23 22:11:40 server01 postfix/smtpd[8483]: connect from unknown[91.242.21.245]
Jul x@x
Jul x@x
Jul 23 22:11:46 server01 postfix/policy-spf[8591]: : Policy action=PREPEND Received-SPF: none (royalexpressusa.com: No applicable sender policy available) receiver=x@x
Jul x@x


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=91.242.21.245
2019-07-24 05:13:56
Comments on same subnet:
IP Type Details Datetime
91.242.213.8 attackspambots
2019-12-06T01:37:04.972950abusebot-5.cloudsearch.cf sshd\[19958\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns1.navigator-com.ru  user=root
2019-12-06 09:41:14
91.242.213.8 attackspam
frenzy
2019-12-04 01:40:18
91.242.213.8 attack
2019-12-03T13:23:16.932078abusebot.cloudsearch.cf sshd\[8930\]: Invalid user pcat from 91.242.213.8 port 36866
2019-12-03 21:51:16
91.242.213.8 attackspam
Dec  3 00:30:20 plusreed sshd[19320]: Invalid user Terhi from 91.242.213.8
...
2019-12-03 13:32:00
91.242.213.8 attackbotsspam
2019-12-02T22:40:18.600616abusebot-2.cloudsearch.cf sshd\[31180\]: Invalid user roulez from 91.242.213.8 port 43236
2019-12-03 07:00:04
91.242.218.80 attackspambots
3389/tcp
[2019-07-05]1pkt
2019-07-05 15:14:38
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 91.242.21.245
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17921
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019072301 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Wed Jul 24 05:13:51 CST 2019
;; MSG SIZE  rcvd: 117
Host info
Host 245.21.242.91.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 245.21.242.91.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
192.3.105.188 attackbots
Hit honeypot r.
2020-07-28 12:28:15
113.24.57.106 attack
Jul 28 05:59:30 ns3164893 sshd[7304]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.24.57.106
Jul 28 05:59:32 ns3164893 sshd[7304]: Failed password for invalid user xhchen from 113.24.57.106 port 41982 ssh2
...
2020-07-28 12:11:11
14.236.246.131 attackbots
20/7/27@23:57:52: FAIL: Alarm-Network address from=14.236.246.131
...
2020-07-28 12:13:17
218.92.0.189 attackspambots
07/28/2020-00:16:05.530007 218.92.0.189 Protocol: 6 ET SCAN Potential SSH Scan
2020-07-28 12:17:39
45.129.33.24 attack
[MK-VM3] Blocked by UFW
2020-07-28 12:27:32
111.229.134.68 attackspam
Invalid user xyce from 111.229.134.68 port 53164
2020-07-28 12:35:02
112.13.91.29 attackspam
SSH Brute-Force attacks
2020-07-28 12:00:47
154.92.16.235 attack
SSH Bruteforce attack
2020-07-28 12:20:49
138.197.101.254 attack
138.197.101.254 - - [28/Jul/2020:05:57:23 +0200] "GET /wp-login.php HTTP/1.1" 200 5990 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
138.197.101.254 - - [28/Jul/2020:05:57:26 +0200] "POST /wp-login.php HTTP/1.1" 200 6220 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
138.197.101.254 - - [28/Jul/2020:05:57:33 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-07-28 12:25:16
186.16.14.107 attack
"fail2ban match"
2020-07-28 12:16:24
122.224.0.74 attackspambots
20/7/27@23:57:50: FAIL: Alarm-Network address from=122.224.0.74
...
2020-07-28 12:14:28
43.228.222.114 attackbots
Dovecot Invalid User Login Attempt.
2020-07-28 12:24:34
51.254.36.178 attackspam
Jul 28 04:52:41 itv-usvr-02 sshd[1274]: Invalid user alex from 51.254.36.178 port 33364
Jul 28 04:52:41 itv-usvr-02 sshd[1274]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.36.178
Jul 28 04:52:41 itv-usvr-02 sshd[1274]: Invalid user alex from 51.254.36.178 port 33364
Jul 28 04:52:43 itv-usvr-02 sshd[1274]: Failed password for invalid user alex from 51.254.36.178 port 33364 ssh2
Jul 28 04:56:02 itv-usvr-02 sshd[1370]: Invalid user xunjian from 51.254.36.178 port 56670
2020-07-28 08:15:18
106.12.59.245 attack
Jul 28 10:57:56 webhost01 sshd[16228]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.59.245
Jul 28 10:57:57 webhost01 sshd[16228]: Failed password for invalid user lgx from 106.12.59.245 port 55356 ssh2
...
2020-07-28 12:06:09
52.152.223.86 attack
Fail2Ban Ban Triggered
2020-07-28 08:14:14

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