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 <<>> 137.226.172.172
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1929
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;137.226.172.172.		IN	A

;; AUTHORITY SECTION:
.			142	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022061201 1800 900 604800 86400

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Jun 13 12:53:15 CST 2022
;; MSG SIZE  rcvd: 108
Host info
172.172.226.137.in-addr.arpa domain name pointer www.isfc2015.ifaar.rwth-aachen.de.
172.172.226.137.in-addr.arpa domain name pointer www.isfc2015.anglistik.rwth-aachen.de.
172.172.226.137.in-addr.arpa domain name pointer wiki.anglistik.rwth-aachen.de.
172.172.226.137.in-addr.arpa domain name pointer flipper.anglistik.rwth-aachen.de.
172.172.226.137.in-addr.arpa domain name pointer pad.anglistik.rwth-aachen.de.
172.172.226.137.in-addr.arpa domain name pointer www.info.anglistik.rwth-aachen.de.
172.172.226.137.in-addr.arpa domain name pointer www.lear.anglistik.rwth-aachen.de.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
172.172.226.137.in-addr.arpa	name = pad.anglistik.rwth-aachen.de.
172.172.226.137.in-addr.arpa	name = www.info.anglistik.rwth-aachen.de.
172.172.226.137.in-addr.arpa	name = www.lear.anglistik.rwth-aachen.de.
172.172.226.137.in-addr.arpa	name = www.isfc2015.ifaar.rwth-aachen.de.
172.172.226.137.in-addr.arpa	name = www.isfc2015.anglistik.rwth-aachen.de.
172.172.226.137.in-addr.arpa	name = wiki.anglistik.rwth-aachen.de.
172.172.226.137.in-addr.arpa	name = flipper.anglistik.rwth-aachen.de.

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