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

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:
IP Type Details Datetime
104.21.75.2 spam
Spammer blacklist in https://www.projecthoneypot.org/ip_104.21.75.2 https://multirbl.valli.org/lookup/104.21.75.2.html
2022-12-29 00:00:44
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.75.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 946
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.75.21.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 55 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:54:20 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.75.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.75.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.175.140 attackbotsspam
Mar  5 06:47:19 sd-53420 sshd\[2767\]: User root from 222.186.175.140 not allowed because none of user's groups are listed in AllowGroups
Mar  5 06:47:19 sd-53420 sshd\[2767\]: Failed none for invalid user root from 222.186.175.140 port 42476 ssh2
Mar  5 06:47:20 sd-53420 sshd\[2767\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.140  user=root
Mar  5 06:47:22 sd-53420 sshd\[2767\]: Failed password for invalid user root from 222.186.175.140 port 42476 ssh2
Mar  5 06:47:32 sd-53420 sshd\[2767\]: Failed password for invalid user root from 222.186.175.140 port 42476 ssh2
...
2020-03-05 13:51:19
118.114.254.70 attackbots
03/04/2020-23:54:52.231465 118.114.254.70 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2020-03-05 13:26:48
73.195.238.146 attackbots
73.195.238.146 - - [05/Mar/2020:05:53:50 +0100] "GET /awstats.pl?lang=en&output=main HTTP/1.0" 404 280 "-" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3343.4 Safari/537.36"
2020-03-05 14:07:37
5.89.35.84 attack
Mar  4 19:37:39 tdfoods sshd\[19515\]: Invalid user xbian from 5.89.35.84
Mar  4 19:37:39 tdfoods sshd\[19515\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=net-5-89-35-84.cust.vodafonedsl.it
Mar  4 19:37:42 tdfoods sshd\[19515\]: Failed password for invalid user xbian from 5.89.35.84 port 56478 ssh2
Mar  4 19:46:28 tdfoods sshd\[20479\]: Invalid user kristofvps from 5.89.35.84
Mar  4 19:46:28 tdfoods sshd\[20479\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=net-5-89-35-84.cust.vodafonedsl.it
2020-03-05 13:50:39
134.175.89.249 attackspambots
Mar  5 12:28:32 webhost01 sshd[6859]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.89.249
Mar  5 12:28:34 webhost01 sshd[6859]: Failed password for invalid user minecraft from 134.175.89.249 port 38878 ssh2
...
2020-03-05 13:41:20
91.134.140.242 attack
Mar  5 06:10:25 vps691689 sshd[26951]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.134.140.242
Mar  5 06:10:26 vps691689 sshd[26951]: Failed password for invalid user pengjunyu from 91.134.140.242 port 41800 ssh2
...
2020-03-05 13:27:51
106.13.78.180 attackbots
Mar  5 11:33:59 areeb-Workstation sshd[22026]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.78.180 
Mar  5 11:34:01 areeb-Workstation sshd[22026]: Failed password for invalid user sinusbot from 106.13.78.180 port 53170 ssh2
...
2020-03-05 14:05:22
222.186.30.57 attackspambots
Mar  5 06:23:08 MK-Soft-Root2 sshd[24560]: Failed password for root from 222.186.30.57 port 38537 ssh2
Mar  5 06:23:12 MK-Soft-Root2 sshd[24560]: Failed password for root from 222.186.30.57 port 38537 ssh2
...
2020-03-05 13:24:35
103.93.221.228 attack
20/3/4@23:54:52: FAIL: Alarm-Network address from=103.93.221.228
20/3/4@23:54:52: FAIL: Alarm-Network address from=103.93.221.228
...
2020-03-05 13:25:25
195.133.206.202 attack
Mar  5 05:53:55 [munged] sshd[18528]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.133.206.202
2020-03-05 14:05:04
120.29.81.99 attack
Mar  5 04:54:17 system,error,critical: login failure for user admin from 120.29.81.99 via telnet
Mar  5 04:54:19 system,error,critical: login failure for user administrator from 120.29.81.99 via telnet
Mar  5 04:54:20 system,error,critical: login failure for user root from 120.29.81.99 via telnet
Mar  5 04:54:26 system,error,critical: login failure for user admin from 120.29.81.99 via telnet
Mar  5 04:54:27 system,error,critical: login failure for user Administrator from 120.29.81.99 via telnet
Mar  5 04:54:29 system,error,critical: login failure for user root from 120.29.81.99 via telnet
Mar  5 04:54:42 system,error,critical: login failure for user root from 120.29.81.99 via telnet
Mar  5 04:54:43 system,error,critical: login failure for user root from 120.29.81.99 via telnet
Mar  5 04:54:45 system,error,critical: login failure for user admin from 120.29.81.99 via telnet
Mar  5 04:54:48 system,error,critical: login failure for user root from 120.29.81.99 via telnet
2020-03-05 13:29:11
112.215.172.212 attackbotsspam
1583384092 - 03/05/2020 05:54:52 Host: 112.215.172.212/112.215.172.212 Port: 445 TCP Blocked
2020-03-05 13:23:50
178.128.76.6 attackbots
2020-03-05T05:10:55.716832shield sshd\[9762\]: Invalid user test from 178.128.76.6 port 33218
2020-03-05T05:10:55.721204shield sshd\[9762\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.76.6
2020-03-05T05:10:57.476043shield sshd\[9762\]: Failed password for invalid user test from 178.128.76.6 port 33218 ssh2
2020-03-05T05:19:12.550720shield sshd\[10808\]: Invalid user jnode1 from 178.128.76.6 port 39648
2020-03-05T05:19:12.557536shield sshd\[10808\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.76.6
2020-03-05 13:40:11
115.76.49.204 attackbotsspam
1583384048 - 03/05/2020 11:54:08 Host: adsl.viettel.vn/115.76.49.204 Port: 23 TCP Blocked
...
2020-03-05 13:48:32
73.85.77.76 attackspam
port scan and connect, tcp 23 (telnet)
2020-03-05 13:31:04

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