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 <<>> 128.21.159.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23683
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;128.21.159.81.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012201 1800 900 604800 86400

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Jan 23 10:18:04 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 81.159.21.128.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.159.21.128.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.173.25.49 attackbots
Lines containing failures of 45.173.25.49
Oct 17 05:41:39 nxxxxxxx sshd[13768]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.173.25.49  user=r.r
Oct 17 05:41:40 nxxxxxxx sshd[13768]: Failed password for r.r from 45.173.25.49 port 38027 ssh2
Oct 17 05:41:42 nxxxxxxx sshd[13768]: Failed password for r.r from 45.173.25.49 port 38027 ssh2
Oct 17 05:41:45 nxxxxxxx sshd[13768]: Failed password for r.r from 45.173.25.49 port 38027 ssh2
Oct 17 05:41:47 nxxxxxxx sshd[13768]: Failed password for r.r from 45.173.25.49 port 38027 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=45.173.25.49
2019-10-17 16:51:53
200.59.112.20 attack
Fail2Ban Ban Triggered
2019-10-17 16:54:24
37.187.113.144 attackspambots
Invalid user gos from 37.187.113.144 port 42098
2019-10-17 16:37:04
80.211.113.144 attackspambots
web-1 [ssh_2] SSH Attack
2019-10-17 16:35:10
119.29.65.240 attackspambots
Oct 17 04:49:11 ny01 sshd[5292]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.29.65.240
Oct 17 04:49:13 ny01 sshd[5292]: Failed password for invalid user hu from 119.29.65.240 port 41020 ssh2
Oct 17 04:55:03 ny01 sshd[5839]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.29.65.240
2019-10-17 16:58:53
178.128.109.82 attack
Oct 17 04:34:22 123flo sshd[21301]: Invalid user ubnt from 178.128.109.82
Oct 17 04:34:22 123flo sshd[21301]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=sms.engine.vn 
Oct 17 04:34:22 123flo sshd[21301]: Invalid user ubnt from 178.128.109.82
Oct 17 04:34:24 123flo sshd[21301]: Failed password for invalid user ubnt from 178.128.109.82 port 55978 ssh2
Oct 17 04:34:25 123flo sshd[21303]: Invalid user sybase from 178.128.109.82
2019-10-17 16:55:59
62.218.84.53 attackbotsspam
2019-10-17T04:05:23.164108ns525875 sshd\[5883\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=simmu4-84-53.utaonline.at  user=root
2019-10-17T04:05:25.200965ns525875 sshd\[5883\]: Failed password for root from 62.218.84.53 port 46626 ssh2
2019-10-17T04:09:02.217954ns525875 sshd\[10340\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=simmu4-84-53.utaonline.at  user=root
2019-10-17T04:09:04.320515ns525875 sshd\[10340\]: Failed password for root from 62.218.84.53 port 10192 ssh2
...
2019-10-17 16:32:01
60.220.230.21 attackspambots
F2B jail: sshd. Time: 2019-10-17 10:48:00, Reported by: VKReport
2019-10-17 16:59:46
177.47.193.74 attackspam
Unauthorised access (Oct 17) SRC=177.47.193.74 LEN=40 TTL=238 ID=53552 TCP DPT=445 WINDOW=1024 SYN
2019-10-17 16:31:15
112.4.78.34 attack
Automatic report - Port Scan
2019-10-17 16:55:28
210.56.20.181 attackbotsspam
2019-10-17T08:18:05.404636abusebot-5.cloudsearch.cf sshd\[2176\]: Invalid user linux from 210.56.20.181 port 58702
2019-10-17 16:33:28
110.49.70.242 attack
Invalid user demo from 110.49.70.242 port 4067
2019-10-17 16:42:29
59.125.103.15 attack
failed_logins
2019-10-17 16:37:59
209.99.133.172 attack
Unauthorized access detected from banned ip
2019-10-17 17:00:18
189.181.193.200 attackspambots
Oct 17 09:33:46 www sshd\[180086\]: Invalid user mao from 189.181.193.200
Oct 17 09:33:46 www sshd\[180086\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.181.193.200
Oct 17 09:33:48 www sshd\[180086\]: Failed password for invalid user mao from 189.181.193.200 port 29413 ssh2
...
2019-10-17 17:01:22

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