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: None

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 <<>> 104.21.12.149
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 7844
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.12.149.			IN	A

;; AUTHORITY SECTION:
.			466	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:10:10 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 149.12.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 149.12.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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Feb  3 18:57:31 relay postfix/smtpd\[11298\]: warning: ns3048742.ip-94-23-196.eu\[94.23.196.177\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb  3 18:57:37 relay postfix/smtpd\[15776\]: warning: ns3048742.ip-94-23-196.eu\[94.23.196.177\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb  3 18:57:47 relay postfix/smtpd\[11357\]: warning: ns3048742.ip-94-23-196.eu\[94.23.196.177\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb  3 18:58:10 relay postfix/smtpd\[19330\]: warning: ns3048742.ip-94-23-196.eu\[94.23.196.177\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb  3 18:58:16 relay postfix/smtpd\[20426\]: warning: ns3048742.ip-94-23-196.eu\[94.23.196.177\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-02-04 03:28:44
14.186.55.66 attackspam
Unauthorized connection attempt detected from IP address 14.186.55.66 to port 22 [J]
2020-02-04 03:36:48
39.42.95.148 attack
Feb  3 16:51:59 grey postfix/smtpd\[20901\]: NOQUEUE: reject: RCPT from unknown\[39.42.95.148\]: 554 5.7.1 Service unavailable\; Client host \[39.42.95.148\] blocked using cbl.abuseat.org\; Blocked - see http://www.abuseat.org/lookup.cgi\?ip=39.42.95.148\; from=\ to=\ proto=ESMTP helo=\<\[39.42.95.148\]\>
...
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185.209.0.91 attack
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Unauthorized connection attempt detected from IP address 148.70.236.112 to port 2220 [J]
2020-02-04 03:45:25
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Unauthorized connection attempt detected from IP address 177.200.78.247 to port 23 [J]
2020-02-04 03:21:35
45.143.137.41 attackbots
Unauthorized connection attempt detected from IP address 45.143.137.41 to port 80 [J]
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