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: None

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 <<>> 104.21.235.161
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52276
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.235.161.			IN	A

;; AUTHORITY SECTION:
.			365	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 39 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:34:09 CST 2022
;; MSG SIZE  rcvd: 107
Host info
Host 161.235.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 161.235.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
68.183.142.240 attackspambots
$f2bV_matches
2019-10-31 00:21:15
37.133.22.255 attackspambots
Oct 29 02:03:23 indra sshd[89961]: Invalid user pi from 37.133.22.255
Oct 29 02:03:24 indra sshd[89961]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.133.22.255 
Oct 29 02:03:24 indra sshd[89963]: Invalid user pi from 37.133.22.255
Oct 29 02:03:24 indra sshd[89963]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.133.22.255 
Oct 29 02:03:26 indra sshd[89961]: Failed password for invalid user pi from 37.133.22.255 port 32778 ssh2
Oct 29 02:03:26 indra sshd[89961]: Connection closed by 37.133.22.255 [preauth]
Oct 29 02:03:26 indra sshd[89963]: Failed password for invalid user pi from 37.133.22.255 port 32782 ssh2
Oct 29 02:03:26 indra sshd[89963]: Connection closed by 37.133.22.255 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=37.133.22.255
2019-10-31 00:10:59
220.144.39.98 attack
23/tcp
[2019-10-30]1pkt
2019-10-31 00:10:24
31.185.11.173 attack
445/tcp 445/tcp 445/tcp
[2019-10-30]3pkt
2019-10-31 00:03:40
149.202.55.18 attack
Oct 30 12:51:30 vpn01 sshd[7983]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.202.55.18
Oct 30 12:51:31 vpn01 sshd[7983]: Failed password for invalid user Pass@word123$ from 149.202.55.18 port 48898 ssh2
...
2019-10-30 23:40:02
178.128.111.48 attackspambots
ssh brute force
2019-10-30 23:36:14
122.51.57.114 attackspambots
Oct 30 14:03:00 site3 sshd\[104701\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.57.114  user=root
Oct 30 14:03:03 site3 sshd\[104701\]: Failed password for root from 122.51.57.114 port 53086 ssh2
Oct 30 14:07:57 site3 sshd\[104782\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.57.114  user=root
Oct 30 14:07:59 site3 sshd\[104782\]: Failed password for root from 122.51.57.114 port 34940 ssh2
Oct 30 14:12:47 site3 sshd\[104924\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.57.114  user=root
...
2019-10-30 23:40:38
81.171.85.138 attack
\[2019-10-30 11:41:44\] NOTICE\[2601\] chan_sip.c: Registration from '\' failed for '81.171.85.138:62371' - Wrong password
\[2019-10-30 11:41:44\] SECURITY\[2634\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-30T11:41:44.426-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1244",SessionID="0x7fdf2cc7a718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.85.138/62371",Challenge="31aee359",ReceivedChallenge="31aee359",ReceivedHash="02ded38e08d6bf4e3acfcd972282e3d5"
\[2019-10-30 11:42:36\] NOTICE\[2601\] chan_sip.c: Registration from '\' failed for '81.171.85.138:55956' - Wrong password
\[2019-10-30 11:42:36\] SECURITY\[2634\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-30T11:42:36.375-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1187",SessionID="0x7fdf2cc7a718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.85
2019-10-30 23:49:45
182.69.93.5 attackspambots
445/tcp
[2019-10-30]1pkt
2019-10-31 00:19:57
94.191.39.69 attack
Oct 30 16:23:05 markkoudstaal sshd[11244]: Failed password for root from 94.191.39.69 port 59318 ssh2
Oct 30 16:29:45 markkoudstaal sshd[11873]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.39.69
Oct 30 16:29:47 markkoudstaal sshd[11873]: Failed password for invalid user adam from 94.191.39.69 port 39742 ssh2
2019-10-31 00:16:47
68.116.41.6 attackbots
Oct 30 14:10:00 markkoudstaal sshd[29962]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.116.41.6
Oct 30 14:10:02 markkoudstaal sshd[29962]: Failed password for invalid user 12345 from 68.116.41.6 port 34696 ssh2
Oct 30 14:14:01 markkoudstaal sshd[30388]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.116.41.6
2019-10-31 00:07:02
115.239.238.46 attack
Oct 30 12:05:20 h2177944 kernel: \[5309264.949318\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=115.239.238.46 DST=85.214.117.9 LEN=52 TOS=0x00 PREC=0x00 TTL=112 ID=10656 DF PROTO=TCP SPT=52994 DPT=1433 WINDOW=8192 RES=0x00 SYN URGP=0 
Oct 30 12:16:29 h2177944 kernel: \[5309933.788023\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=115.239.238.46 DST=85.214.117.9 LEN=52 TOS=0x00 PREC=0x00 TTL=112 ID=7547 DF PROTO=TCP SPT=65028 DPT=1433 WINDOW=8192 RES=0x00 SYN URGP=0 
Oct 30 12:28:48 h2177944 kernel: \[5310672.439188\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=115.239.238.46 DST=85.214.117.9 LEN=52 TOS=0x00 PREC=0x00 TTL=112 ID=10281 DF PROTO=TCP SPT=55773 DPT=1433 WINDOW=8192 RES=0x00 SYN URGP=0 
Oct 30 12:42:26 h2177944 kernel: \[5311490.331191\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=115.239.238.46 DST=85.214.117.9 LEN=52 TOS=0x00 PREC=0x00 TTL=111 ID=22041 DF PROTO=TCP SPT=61336 DPT=1433 WINDOW=8192 RES=0x00 SYN URGP=0 
Oct 30 12:51:36 h2177944 kernel: \[5312040.157828\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=115.239.238.46
2019-10-30 23:35:10
198.23.189.18 attackbotsspam
2019-10-30T12:59:25.250349  sshd[370]: Invalid user CHENWANDONG771215 from 198.23.189.18 port 35778
2019-10-30T12:59:25.264671  sshd[370]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.23.189.18
2019-10-30T12:59:25.250349  sshd[370]: Invalid user CHENWANDONG771215 from 198.23.189.18 port 35778
2019-10-30T12:59:27.152227  sshd[370]: Failed password for invalid user CHENWANDONG771215 from 198.23.189.18 port 35778 ssh2
2019-10-30T13:02:59.727230  sshd[473]: Invalid user regina from 198.23.189.18 port 54903
...
2019-10-31 00:17:40
50.4.93.74 attackbots
IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/50.4.93.74/ 
 
 US - 1H : (236)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : US 
 NAME ASN : ASN12083 
 
 IP : 50.4.93.74 
 
 CIDR : 50.4.92.0/22 
 
 PREFIX COUNT : 944 
 
 UNIQUE IP COUNT : 1142272 
 
 
 ATTACKS DETECTED ASN12083 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 1 
 
 DateTime : 2019-10-30 12:51:07 
 
 INFO : Port SSH 22 Scan Detected and Blocked by ADMIN  - data recovery
2019-10-31 00:01:58
23.129.64.155 attackbotsspam
$f2bV_matches
2019-10-30 23:41:02

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