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

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 <<>> 104.21.54.139
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64861
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.54.139.			IN	A

;; AUTHORITY SECTION:
.			392	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:36:37 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 139.54.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 139.54.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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$f2bV_matches
2020-01-08 08:58:59
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Jan  8 01:49:43 debian-2gb-nbg1-2 kernel: \[703899.898898\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=92.246.76.244 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=30896 PROTO=TCP SPT=47248 DPT=481 WINDOW=1024 RES=0x00 SYN URGP=0
2020-01-08 09:08:57
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2020-01-08 09:07:58
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Unauthorized connection attempt detected from IP address 124.195.244.126 to port 2220 [J]
2020-01-08 09:10:34
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2020-01-08 08:44:10
179.5.57.143 attackspam
Unauthorized connection attempt from IP address 179.5.57.143 on Port 445(SMB)
2020-01-08 09:02:40
45.136.108.123 attackspam
Jan  8 01:48:19 debian-2gb-nbg1-2 kernel: \[703815.414705\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=45.136.108.123 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=30620 PROTO=TCP SPT=59431 DPT=6573 WINDOW=1024 RES=0x00 SYN URGP=0
2020-01-08 08:53:05
31.210.211.114 attack
Unauthorized connection attempt detected from IP address 31.210.211.114 to port 2220 [J]
2020-01-08 08:43:44
114.112.58.134 attackspambots
Unauthorized connection attempt detected from IP address 114.112.58.134 to port 2220 [J]
2020-01-08 09:14:37
190.214.31.186 attackspam
Unauthorized connection attempt from IP address 190.214.31.186 on Port 445(SMB)
2020-01-08 09:17:55
190.207.93.223 attackspambots
Unauthorized connection attempt from IP address 190.207.93.223 on Port 445(SMB)
2020-01-08 09:05:31
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WordPress brute force
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Jan  7 19:46:51 web1 postfix/smtpd[21285]: warning: unknown[112.45.114.76]: SASL LOGIN authentication failed: authentication failure
...
2020-01-08 09:20:00
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Unauthorized connection attempt from IP address 118.70.177.32 on Port 445(SMB)
2020-01-08 08:51:10
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Unauthorized connection attempt detected from IP address 51.38.71.174 to port 2220 [J]
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