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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 138.136.21.4
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 8061
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.136.21.4.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020901 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 10 13:21:34 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 4.21.136.138.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
server can't find 138.136.21.4.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
106.13.46.123 attack
DATE:2020-04-22 11:37:19, IP:106.13.46.123, PORT:ssh SSH brute force auth (docker-dc)
2020-04-22 18:54:33
178.128.121.188 attack
Apr 22 06:35:22 vps46666688 sshd[27136]: Failed password for root from 178.128.121.188 port 58822 ssh2
Apr 22 06:39:56 vps46666688 sshd[27269]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.121.188
...
2020-04-22 18:39:23
113.161.41.13 attackspam
'IP reached maximum auth failures for a one day block'
2020-04-22 18:52:46
106.39.58.83 attackspam
Apr 22 09:00:01 cloud sshd[24500]: Failed password for root from 106.39.58.83 port 37523 ssh2
2020-04-22 18:35:56
167.114.89.195 attackspambots
xmlrpc attack
2020-04-22 18:47:41
95.58.224.239 attack
(sshd) Failed SSH login from 95.58.224.239 (KZ/Kazakhstan/95.58.224.239.megaline.telecom.kz): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Apr 21 23:48:12 host sshd[10758]: Did not receive identification string from 95.58.224.239 port 53261
2020-04-22 18:59:37
138.197.89.186 attack
Apr 22 11:44:20 ns382633 sshd\[30864\]: Invalid user ph from 138.197.89.186 port 49632
Apr 22 11:44:20 ns382633 sshd\[30864\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.89.186
Apr 22 11:44:23 ns382633 sshd\[30864\]: Failed password for invalid user ph from 138.197.89.186 port 49632 ssh2
Apr 22 11:56:56 ns382633 sshd\[1045\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.89.186  user=root
Apr 22 11:56:58 ns382633 sshd\[1045\]: Failed password for root from 138.197.89.186 port 50218 ssh2
2020-04-22 19:07:16
1.2.183.123 attackbotsspam
trying to access non-authorized port
2020-04-22 19:07:43
129.158.74.141 attackspambots
2020-04-22T12:42:17.416171vps773228.ovh.net sshd[3717]: Failed password for root from 129.158.74.141 port 57533 ssh2
2020-04-22T12:50:22.053890vps773228.ovh.net sshd[3877]: Invalid user vq from 129.158.74.141 port 42023
2020-04-22T12:50:22.066407vps773228.ovh.net sshd[3877]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=oc-129-158-74-141.compute.oraclecloud.com
2020-04-22T12:50:22.053890vps773228.ovh.net sshd[3877]: Invalid user vq from 129.158.74.141 port 42023
2020-04-22T12:50:24.528048vps773228.ovh.net sshd[3877]: Failed password for invalid user vq from 129.158.74.141 port 42023 ssh2
...
2020-04-22 18:50:35
68.183.19.84 attack
Attempted connection to port 31188.
2020-04-22 18:41:48
190.34.184.214 attackspam
$f2bV_matches
2020-04-22 18:29:35
36.89.163.178 attackspambots
Apr 22 09:49:27 ns3164893 sshd[28086]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.89.163.178
Apr 22 09:49:29 ns3164893 sshd[28086]: Failed password for invalid user postgres from 36.89.163.178 port 56685 ssh2
...
2020-04-22 18:40:55
180.183.122.205 attackspam
Apr 22 08:29:11 debian-2gb-nbg1-2 kernel: \[9795905.766135\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=180.183.122.205 DST=195.201.40.59 LEN=44 TOS=0x00 PREC=0x00 TTL=49 ID=24895 PROTO=TCP SPT=41528 DPT=23 WINDOW=51024 RES=0x00 SYN URGP=0
2020-04-22 18:56:46
194.26.29.114 attackbots
Port-scan: detected 111 distinct ports within a 24-hour window.
2020-04-22 18:38:25
157.245.104.96 attackspambots
sshd jail - ssh hack attempt
2020-04-22 18:43:43

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