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:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.18.242.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15988
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.18.242.21.			IN	A

;; AUTHORITY SECTION:
.			120	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 26 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 01:50:53 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 21.242.18.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.242.18.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
167.71.4.99 attackspambots
Fail2Ban Ban Triggered
2020-06-06 22:03:05
51.75.78.128 attackbots
Jun  6 15:36:40 abendstille sshd\[5961\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.78.128  user=root
Jun  6 15:36:42 abendstille sshd\[5961\]: Failed password for root from 51.75.78.128 port 54452 ssh2
Jun  6 15:40:17 abendstille sshd\[9863\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.78.128  user=root
Jun  6 15:40:19 abendstille sshd\[9863\]: Failed password for root from 51.75.78.128 port 58358 ssh2
Jun  6 15:43:57 abendstille sshd\[13639\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.78.128  user=root
...
2020-06-06 22:02:25
183.88.42.78 attackspambots
1591446789 - 06/06/2020 14:33:09 Host: 183.88.42.78/183.88.42.78 Port: 445 TCP Blocked
2020-06-06 22:14:20
1.207.39.201 attackspam
IP reached maximum auth failures
2020-06-06 22:13:35
222.105.177.33 attackspambots
Jun  6 15:45:40 PorscheCustomer sshd[6082]: Failed password for root from 222.105.177.33 port 45634 ssh2
Jun  6 15:49:48 PorscheCustomer sshd[6156]: Failed password for root from 222.105.177.33 port 45678 ssh2
...
2020-06-06 22:20:30
106.13.41.25 attackspambots
Jun  6 10:34:44 vps46666688 sshd[16601]: Failed password for root from 106.13.41.25 port 41350 ssh2
...
2020-06-06 22:11:08
216.218.206.98 attack
nft/Honeypot/21/73e86
2020-06-06 22:21:54
87.246.7.23 attackbots
Jun  6 15:57:05 relay postfix/smtpd\[6440\]: warning: unknown\[87.246.7.23\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  6 15:57:24 relay postfix/smtpd\[15313\]: warning: unknown\[87.246.7.23\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  6 15:57:41 relay postfix/smtpd\[6440\]: warning: unknown\[87.246.7.23\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  6 15:57:59 relay postfix/smtpd\[15313\]: warning: unknown\[87.246.7.23\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  6 15:58:16 relay postfix/smtpd\[6440\]: warning: unknown\[87.246.7.23\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-06-06 22:19:05
178.128.55.252 attackbots
2020-06-06T15:34:33.263266vps773228.ovh.net sshd[31624]: Invalid user wumh from 178.128.55.252 port 42486
2020-06-06T15:34:33.276876vps773228.ovh.net sshd[31624]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.55.252
2020-06-06T15:34:33.263266vps773228.ovh.net sshd[31624]: Invalid user wumh from 178.128.55.252 port 42486
2020-06-06T15:34:35.117199vps773228.ovh.net sshd[31624]: Failed password for invalid user wumh from 178.128.55.252 port 42486 ssh2
2020-06-06T15:35:30.605608vps773228.ovh.net sshd[31659]: Invalid user rooot from 178.128.55.252 port 51048
...
2020-06-06 22:22:15
141.98.9.157 attackspam
Jun  6 13:53:53 *** sshd[22444]: Invalid user admin from 141.98.9.157
2020-06-06 22:12:07
198.23.192.74 attackbotsspam
[2020-06-06 10:05:06] NOTICE[1288][C-00000d3c] chan_sip.c: Call from '' (198.23.192.74:52640) to extension '+46812111758' rejected because extension not found in context 'public'.
[2020-06-06 10:05:06] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-06T10:05:06.782-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="+46812111758",SessionID="0x7f4d74371bc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/198.23.192.74/52640",ACLName="no_extension_match"
[2020-06-06 10:05:31] NOTICE[1288][C-00000d3d] chan_sip.c: Call from '' (198.23.192.74:61698) to extension '90046812111758' rejected because extension not found in context 'public'.
[2020-06-06 10:05:31] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-06T10:05:31.018-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="90046812111758",SessionID="0x7f4d74136238",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/198.23.1
...
2020-06-06 22:24:32
159.89.194.160 attackspambots
2020-06-06T16:25:21.438876lavrinenko.info sshd[30094]: Failed password for root from 159.89.194.160 port 36356 ssh2
2020-06-06T16:27:49.474378lavrinenko.info sshd[30183]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.194.160  user=root
2020-06-06T16:27:50.852231lavrinenko.info sshd[30183]: Failed password for root from 159.89.194.160 port 44980 ssh2
2020-06-06T16:30:16.178999lavrinenko.info sshd[30244]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.194.160  user=root
2020-06-06T16:30:18.068323lavrinenko.info sshd[30244]: Failed password for root from 159.89.194.160 port 53602 ssh2
...
2020-06-06 22:15:54
91.222.236.198 attackspam
Bad bot/spoofed identity
2020-06-06 22:37:17
218.92.0.172 attackspambots
" "
2020-06-06 22:30:26
221.225.127.69 attackspam
Jun  6 15:00:18 eventyay sshd[15347]: Failed password for root from 221.225.127.69 port 19447 ssh2
Jun  6 15:04:07 eventyay sshd[15432]: Failed password for root from 221.225.127.69 port 11513 ssh2
...
2020-06-06 22:10:38

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