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 <<>> 137.226.203.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16461
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;137.226.203.21.			IN	A

;; AUTHORITY SECTION:
.			485	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022062600 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jun 26 23:09:30 CST 2022
;; MSG SIZE  rcvd: 107
Host info
21.203.226.137.in-addr.arpa domain name pointer pruefung.medien.rwth-aachen.de.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
21.203.226.137.in-addr.arpa	name = pruefung.medien.rwth-aachen.de.

Authoritative answers can be found from:
Related IP info:
Related comments:
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125.254.54.105 attackspambots
445/tcp 445/tcp
[2019-05-15/06-25]2pkt
2019-06-26 06:20:41
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445/tcp 445/tcp 445/tcp...
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2019-06-26 06:35:47
45.13.39.56 attackbots
Jun 26 00:09:13 mail postfix/smtpd\[5400\]: warning: unknown\[45.13.39.56\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 26 00:10:18 mail postfix/smtpd\[5400\]: warning: unknown\[45.13.39.56\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 26 00:11:21 mail postfix/smtpd\[5400\]: warning: unknown\[45.13.39.56\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-26 06:17:29
94.99.97.185 attackbots
Spam Timestamp : 25-Jun-19 17:47 _ BlockList Provider  combined abuse _ (1230)
2019-06-26 06:46:13
202.101.232.120 attack
445/tcp 445/tcp 445/tcp...
[2019-05-06/06-25]4pkt,1pt.(tcp)
2019-06-26 06:26:20
36.112.130.77 attack
Jun 25 16:38:02 debian sshd\[14132\]: Invalid user english from 36.112.130.77 port 26238
Jun 25 16:38:02 debian sshd\[14132\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.112.130.77
Jun 25 16:38:04 debian sshd\[14132\]: Failed password for invalid user english from 36.112.130.77 port 26238 ssh2
...
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185.195.24.60 attack
/admin/
2019-06-26 06:29:32
118.163.193.82 attackspambots
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2019-06-26 06:35:16
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445/tcp 445/tcp 445/tcp...
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2019-06-26 06:21:32
123.10.220.211 attack
23/tcp 23/tcp
[2019-06-20/25]2pkt
2019-06-26 06:19:49

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