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: Korea Republic of

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
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Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.78.91.61
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 61327
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.78.91.61.			IN	A

;; AUTHORITY SECTION:
.			421	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 67 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:46:19 CST 2022
;; MSG SIZE  rcvd: 105
Host info
61.91.78.121.in-addr.arpa domain name pointer serverb61.opencom.com.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
61.91.78.121.in-addr.arpa	name = serverb61.opencom.com.

Authoritative answers can be found from:
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121.78.91.247
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