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: Korea (the Republic of)

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 <<>> 121.191.28.253
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55310
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.191.28.253.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025022700 1800 900 604800 86400

;; Query time: 77 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 27 22:42:36 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 253.28.191.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 253.28.191.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
171.25.193.25 attack
Failed password for root from 171.25.193.25 port 13511 ssh2
Failed password for root from 171.25.193.25 port 13511 ssh2
Failed password for root from 171.25.193.25 port 13511 ssh2
Failed password for root from 171.25.193.25 port 13511 ssh2
2020-01-20 01:16:11
219.78.129.150 attackbotsspam
Honeypot attack, port: 5555, PTR: n219078129150.netvigator.com.
2020-01-20 01:22:20
41.38.22.219 attack
Honeypot attack, port: 445, PTR: host-41.38.22.219.tedata.net.
2020-01-20 01:14:17
118.218.78.183 attackspambots
FTP brute force
...
2020-01-20 00:53:49
80.82.77.245 attack
80.82.77.245 was recorded 11 times by 6 hosts attempting to connect to the following ports: 1041,1032,1042. Incident counter (4h, 24h, all-time): 11, 81, 18229
2020-01-20 01:00:49
113.254.177.52 attackbots
Honeypot attack, port: 5555, PTR: 52-177-254-113-on-nets.com.
2020-01-20 00:48:17
187.162.22.30 attackbots
Unauthorized connection attempt detected from IP address 187.162.22.30 to port 2220 [J]
2020-01-20 01:25:54
152.136.100.66 attackspam
2020-01-19T14:29:37.787716shield sshd\[25234\]: Invalid user vnc from 152.136.100.66 port 48742
2020-01-19T14:29:37.795187shield sshd\[25234\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.100.66
2020-01-19T14:29:39.636596shield sshd\[25234\]: Failed password for invalid user vnc from 152.136.100.66 port 48742 ssh2
2020-01-19T14:34:18.256562shield sshd\[26691\]: Invalid user test1 from 152.136.100.66 port 47990
2020-01-19T14:34:18.259598shield sshd\[26691\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.100.66
2020-01-20 01:07:08
121.236.19.83 attack
Honeypot attack, port: 5555, PTR: 83.19.236.121.broad.sz.js.dynamic.163data.com.cn.
2020-01-20 01:19:05
171.100.86.68 attackspam
Unauthorized connection attempt detected from IP address 171.100.86.68 to port 81 [J]
2020-01-20 01:10:35
112.21.191.244 attack
Unauthorized connection attempt detected from IP address 112.21.191.244 to port 2220 [J]
2020-01-20 01:15:10
182.74.57.61 attack
Unauthorised access (Jan 19) SRC=182.74.57.61 LEN=40 TTL=245 ID=3337 TCP DPT=445 WINDOW=1024 SYN
2020-01-20 00:58:21
177.185.94.27 attackspambots
Unauthorised access (Jan 19) SRC=177.185.94.27 LEN=44 TTL=238 ID=27806 TCP DPT=445 WINDOW=1024 SYN
2020-01-20 01:13:35
185.142.236.34 attack
Unauthorized connection attempt detected from IP address 185.142.236.34 to port 175 [J]
2020-01-20 01:22:34
185.175.93.34 attackspam
Portscan or hack attempt detected by psad/fwsnort
2020-01-20 00:55:20

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