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 <<>> 104.21.66.181
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 49014
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.66.181.			IN	A

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

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:00:30 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 181.66.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 181.66.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.15.158 attack
2020-02-26T16:15:45.388074homeassistant sshd[27502]: Failed password for root from 222.186.15.158 port 19809 ssh2
2020-02-26T22:15:56.219258homeassistant sshd[31476]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.158  user=root
...
2020-02-27 06:16:48
106.12.212.142 attackspambots
2020-02-26T22:50:39.5371761240 sshd\[22222\]: Invalid user admin from 106.12.212.142 port 46982
2020-02-26T22:50:39.5400981240 sshd\[22222\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.212.142
2020-02-26T22:50:41.9994091240 sshd\[22222\]: Failed password for invalid user admin from 106.12.212.142 port 46982 ssh2
...
2020-02-27 06:20:43
122.51.167.43 attack
Feb 26 22:50:15 * sshd[12380]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.167.43
Feb 26 22:50:17 * sshd[12380]: Failed password for invalid user hirayama from 122.51.167.43 port 33008 ssh2
2020-02-27 06:42:14
104.244.79.250 attackspambots
Feb 27 00:28:17 server2 sshd\[3371\]: Invalid user fake from 104.244.79.250
Feb 27 00:28:17 server2 sshd\[3373\]: Invalid user admin from 104.244.79.250
Feb 27 00:28:17 server2 sshd\[3375\]: User root from 104.244.79.250 not allowed because not listed in AllowUsers
Feb 27 00:28:17 server2 sshd\[3377\]: Invalid user ubnt from 104.244.79.250
Feb 27 00:28:18 server2 sshd\[3379\]: Invalid user guest from 104.244.79.250
Feb 27 00:28:18 server2 sshd\[3381\]: Invalid user support from 104.244.79.250
2020-02-27 06:39:59
203.130.242.68 attack
Feb 26 22:57:19 vps647732 sshd[13754]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.130.242.68
Feb 26 22:57:21 vps647732 sshd[13754]: Failed password for invalid user pi from 203.130.242.68 port 42205 ssh2
...
2020-02-27 06:11:58
114.32.186.34 attackbots
scan z
2020-02-27 06:41:15
200.88.48.99 attack
2020-02-26T23:18:16.313176ns386461 sshd\[17672\]: Invalid user wangq from 200.88.48.99 port 41806
2020-02-26T23:18:16.319905ns386461 sshd\[17672\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.88.48.99
2020-02-26T23:18:18.257223ns386461 sshd\[17672\]: Failed password for invalid user wangq from 200.88.48.99 port 41806 ssh2
2020-02-26T23:34:30.011649ns386461 sshd\[31700\]: Invalid user xyp from 200.88.48.99 port 35470
2020-02-26T23:34:30.018103ns386461 sshd\[31700\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.88.48.99
...
2020-02-27 06:37:14
45.134.179.247 attack
Feb 26 23:22:19 debian-2gb-nbg1-2 kernel: \[5014934.186943\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=45.134.179.247 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=40312 PROTO=TCP SPT=53453 DPT=45120 WINDOW=1024 RES=0x00 SYN URGP=0
2020-02-27 06:22:49
212.83.164.247 attackspam
[2020-02-26 22:47:32] NOTICE[14744] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '"222" ' failed for '212.83.164.247:5708' (callid: vqqaouykoijorxfprpfleshsyyfhjkcvkgborofbireakptftf) - Failed to authenticate
[2020-02-26 22:47:32] SECURITY[20721] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2020-02-26T22:47:32.225+0100",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="",SessionID="vqqaouykoijorxfprpfleshsyyfhjkcvkgborofbireakptftf",LocalAddress="IPV4/UDP/185.118.196.148/5060",RemoteAddress="IPV4/UDP/212.83.164.247/5708",Challenge="1582753652/2757104f76b9832521ac60bc990efc99",Response="14da368d90528351b539969b4818cf03",ExpectedResponse=""
[2020-02-26 22:47:32] NOTICE[14744] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '"222" ' failed for '212.83.164.247:5708' (callid: vqqaouykoijorxfprpfleshsyyfhjkcvkgborofbireakptftf) - Failed to authenticate
[2020-02-26 22:47:32] SECURITY[20721] res_security_lo
2020-02-27 06:27:33
51.75.35.127 attackbots
Feb 26 12:32:18 wbs sshd\[9042\]: Invalid user couch from 51.75.35.127
Feb 26 12:32:18 wbs sshd\[9042\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip127.ip-51-75-35.eu
Feb 26 12:32:20 wbs sshd\[9042\]: Failed password for invalid user couch from 51.75.35.127 port 47622 ssh2
Feb 26 12:37:42 wbs sshd\[9536\]: Invalid user test1 from 51.75.35.127
Feb 26 12:37:42 wbs sshd\[9536\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip127.ip-51-75-35.eu
2020-02-27 06:41:47
103.108.87.187 attackbotsspam
Feb 26 22:08:50 localhost sshd\[19035\]: Invalid user cpanelphpmyadmin from 103.108.87.187 port 42654
Feb 26 22:08:50 localhost sshd\[19035\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.108.87.187
Feb 26 22:08:52 localhost sshd\[19035\]: Failed password for invalid user cpanelphpmyadmin from 103.108.87.187 port 42654 ssh2
Feb 26 22:18:01 localhost sshd\[19292\]: Invalid user test from 103.108.87.187 port 44642
Feb 26 22:18:01 localhost sshd\[19292\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.108.87.187
...
2020-02-27 06:26:30
59.34.233.229 attackspambots
Feb 26 22:45:44 websrv1.derweidener.de postfix/smtpd[288654]: warning: unknown[59.34.233.229]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb 26 22:45:51 websrv1.derweidener.de postfix/smtpd[288337]: warning: unknown[59.34.233.229]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb 26 22:46:02 websrv1.derweidener.de postfix/smtpd[288021]: warning: unknown[59.34.233.229]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-02-27 06:32:18
190.83.230.229 attackspambots
[26/Feb/2020:22:50:31 +0100] Web-Request: "GET /wp-login.php", User-Agent: "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1"
2020-02-27 06:33:48
218.92.0.158 attack
Feb 26 21:57:25 124388 sshd[27769]: Failed password for root from 218.92.0.158 port 53630 ssh2
Feb 26 21:57:29 124388 sshd[27769]: Failed password for root from 218.92.0.158 port 53630 ssh2
Feb 26 21:57:31 124388 sshd[27769]: Failed password for root from 218.92.0.158 port 53630 ssh2
Feb 26 21:57:35 124388 sshd[27769]: Failed password for root from 218.92.0.158 port 53630 ssh2
Feb 26 21:57:35 124388 sshd[27769]: error: maximum authentication attempts exceeded for root from 218.92.0.158 port 53630 ssh2 [preauth]
2020-02-27 06:13:13
185.234.219.105 attackspambots
Feb 26 23:07:17 srv01 postfix/smtpd[21099]: warning: unknown[185.234.219.105]: SASL LOGIN authentication failed: authentication failure
Feb 26 23:07:31 srv01 postfix/smtpd[21099]: warning: unknown[185.234.219.105]: SASL LOGIN authentication failed: authentication failure
Feb 26 23:07:35 srv01 postfix/smtpd[21099]: warning: unknown[185.234.219.105]: SASL LOGIN authentication failed: authentication failure
...
2020-02-27 06:28:15

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