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 <<>> 104.21.17.8
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39916
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.17.8.			IN	A

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

;; Query time: 25 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:31:51 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 8.17.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 8.17.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
120.7.42.141 attack
Brute force blocker - service: proftpd1 - aantal: 44 - Wed Jun 13 02:25:15 2018
2020-04-30 16:48:59
42.52.91.105 attack
Honeypot attack, port: 5555, PTR: PTR record not found
2020-04-30 17:16:53
218.92.0.198 attack
Apr 30 11:06:03 dcd-gentoo sshd[23409]: User root from 218.92.0.198 not allowed because none of user's groups are listed in AllowGroups
Apr 30 11:06:06 dcd-gentoo sshd[23409]: error: PAM: Authentication failure for illegal user root from 218.92.0.198
Apr 30 11:06:03 dcd-gentoo sshd[23409]: User root from 218.92.0.198 not allowed because none of user's groups are listed in AllowGroups
Apr 30 11:06:06 dcd-gentoo sshd[23409]: error: PAM: Authentication failure for illegal user root from 218.92.0.198
Apr 30 11:06:03 dcd-gentoo sshd[23409]: User root from 218.92.0.198 not allowed because none of user's groups are listed in AllowGroups
Apr 30 11:06:06 dcd-gentoo sshd[23409]: error: PAM: Authentication failure for illegal user root from 218.92.0.198
Apr 30 11:06:06 dcd-gentoo sshd[23409]: Failed keyboard-interactive/pam for invalid user root from 218.92.0.198 port 45152 ssh2
...
2020-04-30 17:09:59
185.62.37.80 attackspam
Apr 30 09:59:20 ArkNodeAT sshd\[5226\]: Invalid user younes from 185.62.37.80
Apr 30 09:59:20 ArkNodeAT sshd\[5226\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.62.37.80
Apr 30 09:59:22 ArkNodeAT sshd\[5226\]: Failed password for invalid user younes from 185.62.37.80 port 47560 ssh2
2020-04-30 17:06:12
144.76.118.82 attackspambots
20 attempts against mh-misbehave-ban on pluto
2020-04-30 16:54:24
78.128.113.76 attackbotsspam
2020-04-30T09:34:24.674725l03.customhost.org.uk postfix/smtps/smtpd[16981]: warning: unknown[78.128.113.76]: SASL PLAIN authentication failed: authentication failure
2020-04-30T09:34:28.311007l03.customhost.org.uk postfix/smtps/smtpd[16981]: warning: unknown[78.128.113.76]: SASL PLAIN authentication failed: authentication failure
2020-04-30T09:37:07.675263l03.customhost.org.uk postfix/smtps/smtpd[20463]: warning: unknown[78.128.113.76]: SASL PLAIN authentication failed: authentication failure
2020-04-30T09:37:11.716373l03.customhost.org.uk postfix/smtps/smtpd[20463]: warning: unknown[78.128.113.76]: SASL PLAIN authentication failed: authentication failure
...
2020-04-30 16:43:21
46.38.144.202 attackspam
Apr 30 09:42:22 blackbee postfix/smtpd\[16097\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: authentication failure
Apr 30 09:43:43 blackbee postfix/smtpd\[16097\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: authentication failure
Apr 30 09:45:04 blackbee postfix/smtpd\[16097\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: authentication failure
Apr 30 09:46:25 blackbee postfix/smtpd\[24923\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: authentication failure
Apr 30 09:47:44 blackbee postfix/smtpd\[16097\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: authentication failure
...
2020-04-30 16:55:20
120.230.101.155 attackspam
Brute force blocker - service: proftpd1, proftpd2 - aantal: 110 - Tue Jun 12 06:40:21 2018
2020-04-30 17:00:04
67.205.153.16 attackspambots
k+ssh-bruteforce
2020-04-30 16:58:11
128.199.254.89 attackspambots
sshd
2020-04-30 17:03:03
134.122.99.69 attack
fail2ban -- 134.122.99.69
...
2020-04-30 17:07:34
61.42.20.128 attack
SSH bruteforce
2020-04-30 16:46:14
180.118.135.92 attack
lfd: (smtpauth) Failed SMTP AUTH login from 180.118.135.92 (-): 5 in the last 3600 secs - Tue Jun 12 02:05:16 2018
2020-04-30 17:15:54
157.100.33.90 attack
Found by fail2ban
2020-04-30 17:23:19
5.188.206.34 attack
Apr 30 11:00:19 mail kernel: [242839.366499] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=5.188.206.34 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=37493 PROTO=TCP SPT=59126 DPT=18300 WINDOW=1024 RES=0x00 SYN URGP=0 
...
2020-04-30 17:02:51

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