Summary

Network

Contacts

• IPv4 Prefixes
• IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	133.4.128.0/18	Japan Network Information Center		133.0.0.0/8	APNIC
	133.138.0.0/16	Japan Network Information Center		133.0.0.0/8	APNIC
	133.144.0.0/16	Japan Network Information Center		133.0.0.0/8	APNIC
	150.52.0.0/16	Japan Network Information Center		150.52.0.0/16	APNIC
	163.221.0.0/16	Nara Institute of Science and Technology, National University Corporation		163.221.0.0/16	APNIC
	192.218.228.0/24	WIDE Project		192.218.0.0/16	APNIC
	202.0.73.0/24	Keio Univ. Murai Laboratory		202.0.73.0/24	APNIC
	202.244.32.0/21	Chiba University of Commerce		202.240.0.0/12	APNIC
	202.249.0.0/18	Japan Network Information Center		202.240.0.0/12	APNIC
	203.178.128.0/17	Japan Network Information Center		203.178.0.0/15	APNIC

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2001:200::/32	WIDE project		2001:200::/35	APNIC

• IPv4 Peers
• IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS38635	KEIO-NET	Keio University
	AS17932	JAIST	Japan Advanced Institute of Science and Technology
	AS4713	OCN	NTT Communications Corporation
	AS7660	APAN-JP	Asia Pacific Advanced Network - Japan
	AS2914	NTT-COMMUNICATIONS-2914	NTT America, Inc.
	AS23799	NDA	National Defense Academy
	AS4718	CKP	Cyber Kansai Project
	AS7500	M-ROOT-DNS	WIDE Project
	AS4717	AI3	WIDE Project
	AS23634	E-DNS-JP	WIDE Project
	AS2907	JPNIC-2Byte-ASBLOCK-AP	for assignment to JPNIC members
	AS2497	IIJ	Internet Initiative Japan Inc.
	AS2516	KDDI	KDDI CORPORATION
	AS131158	NAIST-AS	Nara Institute of Science and Technology, National University Corporation
	AS55384	JAIST-EXP	Japan Advanced Institute of Science and Technology
	AS2501	UTnet	The University of Tokyo
	AS10014	NIHON-U	Nihon University
	AS4777	APNIC-NSPIXP2-AS	Asia Pacific Network Information Centre
	AS3943	DMM	Cisco Systems, Inc.
	AS9367	TITECH	Tokyo Institute of Technology
	AS24047	ISC-KIX1	Internet Systems Consortium, Inc.
	AS25152	K-ROOT-SERVER	Reseaux IP Europeens Network Coordination Centre (RIPE NCC)

Country	ASN	Name	Description	IPv4
	AS2914	NTT-COMMUNICATIONS-2914	NTT America, Inc.
	AS4713	OCN	NTT Communications Corporation
	AS4717	AI3	WIDE Project
	AS7660	APAN-JP	Asia Pacific Advanced Network - Japan
	AS23774	A-DNS-JP	Japan Registry Service Co., Ltd.
	AS2516	KDDI	KDDI CORPORATION
	AS4718	CKP	Cyber Kansai Project
	AS2515	JPNIC	Japan Network Information Center
	AS55384	JAIST-EXP	Japan Advanced Institute of Science and Technology
	AS2497	IIJ	Internet Initiative Japan Inc.
	AS4777	APNIC-NSPIXP2-AS	Asia Pacific Network Information Centre
	AS2907	JPNIC-2Byte-ASBLOCK-AP	for assignment to JPNIC members
	AS10014	NIHON-U	Nihon University
	AS24047	ISC-KIX1	Internet Systems Consortium, Inc.
	AS38635	KEIO-NET	Keio University
	AS10013	FBDC	FreeBit Co.,Ltd.
	AS63770	ICSCOE-AS	Industrial Cyber Security Center of Excellence
	AS25152	K-ROOT-SERVER	Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
	AS7500	M-ROOT-DNS	WIDE Project
	AS23634	E-DNS-JP	WIDE Project
	AS3943	DMM	Cisco Systems, Inc.
	AS38629	OKN	NTT Communications Corporation
	AS17932	JAIST	Japan Advanced Institute of Science and Technology

• IPv4 Upstreams
• IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS2914	NTT-COMMUNICATIONS-2914	NTT America, Inc.
	AS2497	IIJ	Internet Initiative Japan Inc.
	AS2516	KDDI	KDDI CORPORATION
	AS4713	OCN	NTT Communications Corporation
	AS7660	APAN-JP	Asia Pacific Advanced Network - Japan

IPv4 Upstream Graph

×

IPv4 Upstream Graph

Loading...

Loading...

Country	ASN	Name	Description	IPv4
	AS2914	NTT-COMMUNICATIONS-2914	NTT America, Inc.
	AS2497	IIJ	Internet Initiative Japan Inc.

IPv6 Upstream Graph

×

IPv6 Upstream Graph

Loading...

Loading...

• IPv4 Downstreams
• IPv6 Downstreams

Country	ASN	Name	Description	IPv6
	AS23799	NDA	National Defense Academy
	AS4717	AI3	WIDE Project
	AS38635	KEIO-NET	Keio University
	AS2907	JPNIC-2Byte-ASBLOCK-AP	for assignment to JPNIC members
	AS7660	APAN-JP	Asia Pacific Advanced Network - Japan
	AS4718	CKP	Cyber Kansai Project
	AS3943	DMM	Cisco Systems, Inc.
	AS55384	JAIST-EXP	Japan Advanced Institute of Science and Technology
	AS7500	M-ROOT-DNS	WIDE Project
	AS17932	JAIST	Japan Advanced Institute of Science and Technology
	AS24047	ISC-KIX1	Internet Systems Consortium, Inc.
	AS131158	NAIST-AS	Nara Institute of Science and Technology, National University Corporation

Country	ASN	Name	Description	IPv4
	AS4717	AI3	WIDE Project
	AS38635	KEIO-NET	Keio University
	AS3943	DMM	Cisco Systems, Inc.
	AS55384	JAIST-EXP	Japan Advanced Institute of Science and Technology

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS2500'

aut-num:        AS2500
as-name:        WIDE-BB
descr:          WIDE Project
import:
export:
country:        JP
admin-c:        JM002JP
tech-c:         AK003JP
last-modified:  2006-11-14T20:25:08Z
source:         JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-NODE3)