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 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 <<>> 121.136.80.249
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6555
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.136.80.249.			IN	A

;; AUTHORITY SECTION:
.			585	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022031200 1800 900 604800 86400

;; Query time: 68 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Mar 12 13:30:12 CST 2022
;; MSG SIZE  rcvd: 107
Host info
Host 249.80.136.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 249.80.136.121.in-addr.arpa: NXDOMAIN
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Related comments:
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2020-05-23 23:49:54
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2020-05-23 23:34:20
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May 23 16:05:02 haigwepa sshd[12829]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.109.98 
May 23 16:05:04 haigwepa sshd[12829]: Failed password for invalid user irh from 51.77.109.98 port 41106 ssh2
...
2020-05-23 23:28:11
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May 23 16:03:34 santamaria sshd\[28285\]: Invalid user swq from 142.93.226.18
May 23 16:03:34 santamaria sshd\[28285\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.226.18
May 23 16:03:36 santamaria sshd\[28285\]: Failed password for invalid user swq from 142.93.226.18 port 57230 ssh2
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Unauthorized connection attempt from IP address 103.16.202.90 on Port 445(SMB)
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May 23 14:00:53 debian-2gb-nbg1-2 kernel: \[12494066.176558\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=117.50.23.52 DST=195.201.40.59 LEN=44 TOS=0x00 PREC=0x00 TTL=236 ID=38379 PROTO=TCP SPT=58914 DPT=1080 WINDOW=1024 RES=0x00 SYN URGP=0
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2020-05-23 23:11:46

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