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 <<>> 104.21.207.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36693
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.207.138.			IN	A

;; AUTHORITY SECTION:
.			468	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022040301 1800 900 604800 86400

;; Query time: 28 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Apr 04 14:07:12 CST 2022
;; MSG SIZE  rcvd: 107
Host info
Host 138.207.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 138.207.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
218.57.231.14 attackbots
port scan and connect, tcp 1433 (ms-sql-s)
2020-01-16 03:20:50
183.213.26.114 attackbots
Unauthorized connection attempt detected from IP address 183.213.26.114 to port 1433 [J]
2020-01-16 03:23:44
125.104.223.68 attack
Unauthorized connection attempt detected from IP address 125.104.223.68 to port 1433 [T]
2020-01-16 03:27:58
118.26.168.179 attackbotsspam
Unauthorized connection attempt detected from IP address 118.26.168.179 to port 1433 [T]
2020-01-16 03:31:01
101.224.39.190 attackbotsspam
Unauthorized connection attempt detected from IP address 101.224.39.190 to port 445 [T]
2020-01-16 03:34:59
138.68.226.109 attackbotsspam
Unauthorized connection attempt detected from IP address 138.68.226.109 to port 5901 [T]
2020-01-16 03:44:24
194.243.6.150 attackspambots
Unauthorized connection attempt detected from IP address 194.243.6.150 to port 2220 [J]
2020-01-16 03:58:25
61.142.119.19 attack
Unauthorized connection attempt detected from IP address 61.142.119.19 to port 1433 [J]
2020-01-16 03:36:42
27.147.40.128 attack
Unauthorized connection attempt detected from IP address 27.147.40.128 to port 81 [T]
2020-01-16 03:42:06
37.182.196.137 attack
445/tcp 445/tcp 445/tcp...
[2019-12-03/2020-01-15]5pkt,1pt.(tcp)
2020-01-16 03:40:59
218.92.0.201 attack
Jan 15 20:14:40 vpn01 sshd[13317]: Failed password for root from 218.92.0.201 port 28664 ssh2
Jan 15 20:14:44 vpn01 sshd[13317]: Failed password for root from 218.92.0.201 port 28664 ssh2
...
2020-01-16 03:20:24
46.38.144.17 attack
Jan 15 20:47:13 relay postfix/smtpd\[14294\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan 15 20:47:37 relay postfix/smtpd\[24550\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan 15 20:48:01 relay postfix/smtpd\[14294\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan 15 20:48:26 relay postfix/smtpd\[24436\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan 15 20:48:49 relay postfix/smtpd\[14656\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-01-16 03:55:34
60.2.245.166 attackbotsspam
Unauthorized connection attempt detected from IP address 60.2.245.166 to port 1433 [T]
2020-01-16 03:37:16
49.88.112.61 attackspam
Jan 11 23:12:33 microserver sshd[58372]: Failed none for root from 49.88.112.61 port 10219 ssh2
Jan 11 23:12:33 microserver sshd[58372]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.61  user=root
Jan 11 23:12:35 microserver sshd[58372]: Failed password for root from 49.88.112.61 port 10219 ssh2
Jan 11 23:12:39 microserver sshd[58372]: Failed password for root from 49.88.112.61 port 10219 ssh2
Jan 11 23:12:42 microserver sshd[58372]: Failed password for root from 49.88.112.61 port 10219 ssh2
Jan 12 18:31:23 microserver sshd[35924]: Failed none for root from 49.88.112.61 port 5686 ssh2
Jan 12 18:31:23 microserver sshd[35924]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.61  user=root
Jan 12 18:31:25 microserver sshd[35924]: Failed password for root from 49.88.112.61 port 5686 ssh2
Jan 12 18:31:27 microserver sshd[35924]: Failed password for root from 49.88.112.61 port 5686 ssh2
Jan 12 18:31:31 microserver s
2020-01-16 03:52:38
101.51.50.192 attackbots
Unauthorized connection attempt detected from IP address 101.51.50.192 to port 4567 [J]
2020-01-16 03:35:16

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