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: Russian Federation (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 <<>> 81.195.202.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59188
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;81.195.202.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020602 1800 900 604800 86400

;; Query time: 33 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 07 08:36:34 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.202.195.81.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.202.195.81.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
141.98.10.62 attackspambots
Rude login attack (6 tries in 1d)
2019-09-16 13:20:25
153.254.115.57 attack
Sep 16 07:42:13 itv-usvr-01 sshd[11853]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.254.115.57  user=sync
Sep 16 07:42:14 itv-usvr-01 sshd[11853]: Failed password for sync from 153.254.115.57 port 18478 ssh2
Sep 16 07:51:09 itv-usvr-01 sshd[12156]: Invalid user administrator from 153.254.115.57
Sep 16 07:51:09 itv-usvr-01 sshd[12156]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.254.115.57
Sep 16 07:51:09 itv-usvr-01 sshd[12156]: Invalid user administrator from 153.254.115.57
Sep 16 07:51:11 itv-usvr-01 sshd[12156]: Failed password for invalid user administrator from 153.254.115.57 port 15250 ssh2
2019-09-16 13:57:49
62.210.5.9 attackbotsspam
Sep 16 06:29:54 ArkNodeAT sshd\[10109\]: Invalid user cxh from 62.210.5.9
Sep 16 06:29:54 ArkNodeAT sshd\[10109\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.210.5.9
Sep 16 06:29:56 ArkNodeAT sshd\[10109\]: Failed password for invalid user cxh from 62.210.5.9 port 40148 ssh2
2019-09-16 13:52:35
89.248.160.193 attackbots
09/16/2019-01:14:20.941055 89.248.160.193 Protocol: 6 ET SCAN NMAP -sS window 1024
2019-09-16 13:24:41
81.22.45.146 attackspam
Unauthorised access (Sep 16) SRC=81.22.45.146 LEN=40 TTL=247 ID=64730 TCP DPT=3389 WINDOW=1024 SYN 
Unauthorised access (Sep 15) SRC=81.22.45.146 LEN=40 TTL=248 ID=40762 TCP DPT=3389 WINDOW=1024 SYN
2019-09-16 13:50:40
136.56.52.51 attackspam
Lines containing failures of 136.56.52.51
Sep 14 03:43:59 s390x sshd[16243]: Connection from 136.56.52.51 port 51854 on 10.42.2.18 port 22
Sep 14 03:43:59 s390x sshd[16244]: Connection from 136.56.52.51 port 51856 on 10.42.2.18 port 22
Sep 14 03:44:00 s390x sshd[16243]: Invalid user pi from 136.56.52.51 port 51854
Sep 14 03:44:00 s390x sshd[16243]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=136.56.52.51
Sep 14 03:44:00 s390x sshd[16244]: Invalid user pi from 136.56.52.51 port 51856
Sep 14 03:44:00 s390x sshd[16244]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=136.56.52.51
Sep 14 03:44:02 s390x sshd[16243]: Failed password for invalid user pi from 136.56.52.51 port 51854 ssh2
Sep 14 03:44:02 s390x sshd[16244]: Failed password for invalid user pi from 136.56.52.51 port 51856 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=136.56.52.51
2019-09-16 13:18:23
37.52.9.242 attackbots
Sep 15 22:56:10 plusreed sshd[32660]: Invalid user macintosh from 37.52.9.242
...
2019-09-16 14:01:25
218.24.236.4 attackspam
failed_logins
2019-09-16 13:54:05
129.146.168.196 attackbotsspam
Sep 15 19:04:04 hanapaa sshd\[26828\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.146.168.196  user=root
Sep 15 19:04:06 hanapaa sshd\[26828\]: Failed password for root from 129.146.168.196 port 47603 ssh2
Sep 15 19:07:56 hanapaa sshd\[27108\]: Invalid user redhat from 129.146.168.196
Sep 15 19:07:56 hanapaa sshd\[27108\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.146.168.196
Sep 15 19:07:58 hanapaa sshd\[27108\]: Failed password for invalid user redhat from 129.146.168.196 port 39715 ssh2
2019-09-16 13:23:03
51.15.71.134 attack
[portscan] Port scan
2019-09-16 13:58:39
154.8.232.205 attack
Sep 16 06:13:55 markkoudstaal sshd[2507]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.8.232.205
Sep 16 06:13:57 markkoudstaal sshd[2507]: Failed password for invalid user experiment from 154.8.232.205 port 48515 ssh2
Sep 16 06:19:11 markkoudstaal sshd[2972]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.8.232.205
2019-09-16 14:05:19
191.36.174.209 attackspam
Automatic report - Port Scan Attack
2019-09-16 14:09:02
111.38.46.183 attack
IMAP brute force
...
2019-09-16 13:44:01
42.180.238.88 attackspam
Unauthorised access (Sep 16) SRC=42.180.238.88 LEN=40 TTL=49 ID=23272 TCP DPT=8080 WINDOW=34810 SYN
2019-09-16 14:00:14
106.12.28.124 attack
Sep 15 13:48:12 auw2 sshd\[23390\]: Invalid user user from 106.12.28.124
Sep 15 13:48:12 auw2 sshd\[23390\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.28.124
Sep 15 13:48:14 auw2 sshd\[23390\]: Failed password for invalid user user from 106.12.28.124 port 37608 ssh2
Sep 15 13:53:00 auw2 sshd\[23825\]: Invalid user wss from 106.12.28.124
Sep 15 13:53:00 auw2 sshd\[23825\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.28.124
2019-09-16 13:56:22

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