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: Germany

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 <<>> 137.226.21.71
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17847
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;137.226.21.71.			IN	A

;; AUTHORITY SECTION:
.			164	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022061102 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jun 12 13:07:44 CST 2022
;; MSG SIZE  rcvd: 106
Host info
71.21.226.137.in-addr.arpa domain name pointer nb-ab.win.iwm.rwth-aachen.de.
71.21.226.137.in-addr.arpa domain name pointer nb-cad-qm1.win.iwm.rwth-aachen.de.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
71.21.226.137.in-addr.arpa	name = nb-ab.win.iwm.rwth-aachen.de.
71.21.226.137.in-addr.arpa	name = nb-cad-qm1.win.iwm.rwth-aachen.de.

Authoritative answers can be found from:
Related IP info:
Related comments:
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2020-05-30 04:29:50
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2020-05-30 04:16:55
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Unauthorized connection attempt detected from IP address 117.240.27.234 to port 445
2020-05-30 04:25:00
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Unauthorized connection attempt detected from IP address 62.175.204.17 to port 8080
2020-05-30 04:34:36
171.208.20.202 attack
Unauthorized connection attempt detected from IP address 171.208.20.202 to port 23
2020-05-30 04:19:13
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Port Scan
2020-05-30 04:47:36
78.84.18.112 attackbotsspam
Unauthorized connection attempt detected from IP address 78.84.18.112 to port 23
2020-05-30 04:31:52
196.52.43.115 attack
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2020-05-30 04:48:16
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Unauthorized connection attempt detected from IP address 58.249.100.249 to port 999
2020-05-30 04:36:04
121.189.231.246 attackbots
Unauthorized connection attempt detected from IP address 121.189.231.246 to port 23
2020-05-30 04:22:06

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