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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.234.26
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26267
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.234.26.			IN	A

;; AUTHORITY SECTION:
.			228	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 68 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:20:58 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 26.234.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 26.234.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
145.239.3.31 attack
EventTime:Thu Jul 4 02:39:30 AEST 2019,Protocol:TCP,VendorEventCode:RT_FLOW_SESSION_DENY,TargetPort:53,SourceIP:145.239.3.31,SourcePort:53538
2019-07-04 00:45:33
157.55.39.110 attack
Automatic report - Web App Attack
2019-07-04 01:18:34
85.185.152.146 attackbotsspam
proto=tcp  .  spt=33110  .  dpt=25  .     (listed on Blocklist de  Jul 02)     (743)
2019-07-04 00:26:23
103.44.132.44 attackspambots
Automated report - ssh fail2ban:
Jul 3 18:33:35 authentication failure 
Jul 3 18:33:37 wrong password, user=angus, port=50950, ssh2
Jul 3 19:05:20 authentication failure
2019-07-04 01:15:37
72.4.146.170 attackspambots
proto=tcp  .  spt=33757  .  dpt=25  .     (listed on Blocklist de  Jul 02)     (737)
2019-07-04 00:38:04
90.188.16.246 attackbotsspam
proto=tcp  .  spt=46274  .  dpt=25  .     (listed on Blocklist de  Jul 02)     (736)
2019-07-04 00:39:37
91.80.166.133 attack
Jul  3 14:58:55 *** sshd[6726]: Did not receive identification string from 91.80.166.133 port 35540
Jul  3 14:58:55 *** sshd[6728]: Did not receive identification string from 91.80.166.133 port 60402
Jul  3 14:59:00 *** sshd[6761]: Did not receive identification string from 91.80.166.133 port 38766
Jul  3 14:59:05 *** sshd[6924]: Connection closed by 91.80.166.133 port 60431 [preauth]
Jul  3 14:59:05 *** sshd[6915]: Connection closed by 91.80.166.133 port 38784 [preauth]
Jul  3 15:10:08 *** sshd[18195]: Invalid user admin from 91.80.166.133 port 35682
Jul  3 15:10:08 *** sshd[18194]: Invalid user admin from 91.80.166.133 port 60532
Jul  3 15:10:10 *** sshd[18195]: Failed password for invalid user admin from 91.80.166.133 port 35682 ssh2
Jul  3 15:10:10 *** sshd[18194]: Failed password for invalid user admin from 91.80.166.133 port 60532 ssh2
Jul  3 15:10:11 *** sshd[18195]: Received disconnect from 91.80.166.133 port 35682:11: Bye Bye [preauth]
Jul  3 15:10:11 *** sshd[........
-------------------------------
2019-07-04 01:05:20
192.241.180.95 attack
proto=tcp  .  spt=41435  .  dpt=25  .     (listed on Blocklist de  Jul 02)     (727)
2019-07-04 00:55:51
202.131.237.182 attack
Jul  3 18:51:51 server2 sshd\[28876\]: User root from 202.131.237.182 not allowed because not listed in AllowUsers
Jul  3 18:51:53 server2 sshd\[28878\]: User root from 202.131.237.182 not allowed because not listed in AllowUsers
Jul  3 18:51:56 server2 sshd\[28880\]: User root from 202.131.237.182 not allowed because not listed in AllowUsers
Jul  3 18:51:58 server2 sshd\[28883\]: User root from 202.131.237.182 not allowed because not listed in AllowUsers
Jul  3 18:52:01 server2 sshd\[28885\]: User root from 202.131.237.182 not allowed because not listed in AllowUsers
Jul  3 18:52:03 server2 sshd\[28910\]: User root from 202.131.237.182 not allowed because not listed in AllowUsers
2019-07-04 00:35:50
167.99.75.174 attack
Jul  3 17:59:08 vpn01 sshd\[11000\]: Invalid user kathrine from 167.99.75.174
Jul  3 17:59:08 vpn01 sshd\[11000\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.174
Jul  3 17:59:09 vpn01 sshd\[11000\]: Failed password for invalid user kathrine from 167.99.75.174 port 50950 ssh2
2019-07-04 01:20:43
88.83.205.41 attack
19/7/3@09:23:10: FAIL: Alarm-Intrusion address from=88.83.205.41
...
2019-07-04 00:42:37
70.32.85.128 attackspambots
Brute force attempt
2019-07-04 00:29:46
93.141.135.123 attackspam
2019-07-03 14:47:52 H=93-141-135-123.adsl.net.t-com.hr [93.141.135.123]:16810 I=[10.100.18.20]:25 F=: Host/domain is listed in RBL cbl.abuseat.org (Blocked - see hxxp://www.abuseat.org/lookup.cgi?ip=93.141.135.123)
2019-07-03 14:47:53 unexpected disconnection while reading SMTP command from 93-141-135-123.adsl.net.t-com.hr [93.141.135.123]:16810 I=[10.100.18.20]:25 (error: Connection reset by peer)
2019-07-03 15:11:22 H=93-141-135-123.adsl.net.t-com.hr [93.141.135.123]:41470 I=[10.100.18.20]:25 F=: Host/domain is listed in RBL cbl.abuseat.org (Blocked - see hxxp://www.abuseat.org/lookup.cgi?ip=93.141.135.123)


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=93.141.135.123
2019-07-04 01:10:34
103.101.116.145 attackbots
proto=tcp  .  spt=50153  .  dpt=25  .     (listed on Blocklist de  Jul 02)     (734)
2019-07-04 00:42:16
41.60.236.239 attackbots
Jul  3 08:59:35 mxgate1 postfix/postscreen[8529]: CONNECT from [41.60.236.239]:40657 to [176.31.12.44]:25
Jul  3 08:59:35 mxgate1 postfix/dnsblog[8530]: addr 41.60.236.239 listed by domain zen.spamhaus.org as 127.0.0.4
Jul  3 08:59:35 mxgate1 postfix/dnsblog[8530]: addr 41.60.236.239 listed by domain zen.spamhaus.org as 127.0.0.11
Jul  3 08:59:35 mxgate1 postfix/dnsblog[8530]: addr 41.60.236.239 listed by domain zen.spamhaus.org as 127.0.0.3
Jul  3 08:59:35 mxgate1 postfix/dnsblog[8784]: addr 41.60.236.239 listed by domain cbl.abuseat.org as 127.0.0.2
Jul  3 08:59:35 mxgate1 postfix/dnsblog[8531]: addr 41.60.236.239 listed by domain bl.spamcop.net as 127.0.0.2
Jul  3 08:59:35 mxgate1 postfix/dnsblog[8534]: addr 41.60.236.239 listed by domain ix.dnsbl.xxxxxx.net as 127.0.0.2
Jul  3 08:59:35 mxgate1 postfix/dnsblog[8532]: addr 41.60.236.239 listed by domain b.barracudacentral.org as 127.0.0.2
Jul  3 08:59:36 mxgate1 postfix/postscreen[8529]: PREGREET 39 after 0.44 from [4........
-------------------------------
2019-07-04 00:38:44

Recently Reported IPs

116.255.129.216 116.255.131.10 116.255.131.19 116.255.137.67
116.255.144.235 116.255.147.237 116.255.134.200 116.255.145.229
116.255.133.167 116.255.143.146 116.255.143.74 116.255.144.233
104.21.234.27 116.255.161.225 116.255.161.139 116.255.151.212
116.255.156.6 116.255.151.217 116.255.174.150 116.255.168.203