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 of America (the)

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 <<>> 136.194.181.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17903
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;136.194.181.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021700 1800 900 604800 86400

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 18 01:29:45 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 21.181.194.136.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.181.194.136.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
107.191.107.105 attackbots
suspicious action Tue, 03 Mar 2020 10:23:19 -0300
2020-03-04 01:54:39
104.244.74.98 attackbotsspam
Jan  8 03:33:45 mercury kernel: [UFW ALLOW] IN=eth0 OUT= MAC=f2:3c:91:bc:4d:f8:84:78:ac:0d:8f:41:08:00 SRC=104.244.74.98 DST=109.74.200.221 LEN=37 TOS=0x08 PREC=0x20 TTL=56 ID=0 DF PROTO=UDP SPT=49034 DPT=123 LEN=17 
...
2020-03-04 02:07:28
103.21.163.84 attackspambots
Dec 31 23:21:08 mercury wordpress(www.learnargentinianspanish.com)[8643]: XML-RPC authentication attempt for unknown user chris from 103.21.163.84
...
2020-03-04 01:59:36
198.108.67.102 attack
Port 8800 scan denied
2020-03-04 02:16:33
103.52.213.183 attackspam
ssh brute force
2020-03-04 01:52:15
106.105.65.119 attack
Dec 11 19:02:11 mercury kernel: [UFW ALLOW] IN=eth0 OUT= MAC=f2:3c:91:bc:4d:f8:84:78:ac:0d:8f:41:08:00 SRC=106.105.65.119 DST=109.74.200.221 LEN=32 TOS=0x00 PREC=0x00 TTL=45 ID=0 DF PROTO=UDP SPT=123 DPT=123 LEN=12 
...
2020-03-04 01:55:04
188.166.163.251 attackspam
Mar  3 08:01:10 eddieflores sshd\[1358\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.163.251  user=root
Mar  3 08:01:11 eddieflores sshd\[1358\]: Failed password for root from 188.166.163.251 port 53090 ssh2
Mar  3 08:01:44 eddieflores sshd\[1379\]: Invalid user oracle from 188.166.163.251
Mar  3 08:01:44 eddieflores sshd\[1379\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.163.251
Mar  3 08:01:46 eddieflores sshd\[1379\]: Failed password for invalid user oracle from 188.166.163.251 port 52054 ssh2
2020-03-04 02:20:38
123.148.146.156 attackbots
123.148.146.156 - - [20/Jan/2020:06:19:14 +0000] "POST /xmlrpc.php HTTP/1.1" 301 596 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"
123.148.146.156 - - [20/Jan/2020:06:19:15 +0000] "POST /xmlrpc.php HTTP/1.1" 301 596 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"
...
2020-03-04 02:21:45
45.55.49.174 attack
2020-03-03T18:15:31.518104upcloud.m0sh1x2.com sshd[26764]: Invalid user admin from 45.55.49.174 port 39648
2020-03-04 02:22:35
143.255.40.30 attackbots
Dec 17 00:13:19 mercury auth[21215]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=josh@learnargentinianspanish.com rhost=143.255.40.30
...
2020-03-04 01:55:51
104.223.130.2 attackbotsspam
Oct 23 00:08:25 mercury kernel: [UFW ALLOW] IN=eth0 OUT= MAC=f2:3c:91:bc:4d:f8:84:78:ac:5a:1a:41:08:00 SRC=104.223.130.2 DST=109.74.200.221 LEN=36 TOS=0x00 PREC=0x00 TTL=51 ID=10800 DF PROTO=UDP SPT=58906 DPT=123 LEN=16 
...
2020-03-04 02:15:22
112.16.118.75 attack
Unauthorised access (Mar  3) SRC=112.16.118.75 LEN=40 TTL=51 ID=39578 TCP DPT=23 WINDOW=51245 SYN
2020-03-04 02:31:45
103.208.200.222 attack
Feb 11 10:41:48 mercury wordpress(www.learnargentinianspanish.com)[6365]: XML-RPC authentication attempt for unknown user chris from 103.208.200.222
...
2020-03-04 02:13:30
108.161.143.225 attack
Feb  2 20:49:51 mercury smtpd[1162]: d838dc7d8522c357 smtp event=failed-command address=108.161.143.225 host=108.161.143.225 command="RCPT TO:" result="550 Invalid recipient"
...
2020-03-04 02:26:26
116.126.139.74 attackbotsspam
Feb 20 00:19:59 mercury smtpd[1148]: 43d2ba25a6dfb372 smtp event=failed-command address=116.126.139.74 host=116.126.139.74 command="RCPT to:" result="550 Invalid recipient"
...
2020-03-04 01:54:09

Recently Reported IPs

195.186.50.34 233.222.147.213 129.60.35.127 198.98.4.74
211.48.15.208 138.188.42.128 2.175.194.146 180.181.164.70
185.195.247.154 60.244.222.47 133.43.218.156 222.34.244.93
218.38.87.142 156.126.250.32 112.158.190.139 131.198.227.126
9.114.220.52 178.242.12.77 115.88.222.4 229.218.50.27