JPNIC WHOIS Gateway

Japanese page

The JPNIC Whois Database provides the contact information of the IP addresses and AS numbers under JPNIC administration.

Search Keyword

Search Type

select	type	example
	Not specified	192.168.0.1 2001:db8:: 10.0.1.0/24 2001:db8::/32 AS 2515 JP12345678 AZ1234JP
	Network Information(IP address)	192.168.0.1 2001:db8:: 10.0.1.0/24 2001:db8::/32
	AS Information(AS Number)	2515 AS 2515
	Group Contact Information(Group Handle)	JP12345678
	Contact Information(JPNIC Handle)	AZ1234JP

Search Option

select	option
	None
	Inverse query Only for searching information which refers to the specified Group Contact Information, or Contact Information

For more details, refer to the WHOIS help guide.
http://www.nic.ad.jp/en/db/whois/

NOTE:

JPNIC WHOIS server does not provide query service for domain name related information. Please access following whois services for .JP domain name related queries.

JPRS WHOIS: https://whois.jprs.jp/ (whois.jprs.jp)