2001:dc4::/32

Originated by AS23774
AS Name: Japan Registry Service Co., Ltd.

Upstreams

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	ASN	Description
	AS17676	SoftBank Corp.
	AS6939	Hurricane Electric LLC
	AS2497	Internet Initiative Japan Inc.
	AS2914	NTT America, Inc.

	ASN	Description
	AS49544	i3D.net B.V
	AS2907	Science Information Network
	AS2635	Automattic, Inc
	AS8220	COLT
	AS1828	Unitas Global
	AS59105	Home NOC Operators Group
	AS17676	SoftBank Corp.
	AS2497	Internet Initiative Japan Inc.
	AS2914	NTT America, Inc.
	AS6939	Hurricane Electric LLC

Last Update: 2026-03-12T03:22:25Z UTC

IRR	Expected ASN
nttcom	AS18149	Show Raw route6: 2001:dc4::/32 descr: proxy route6 registration by AS2914 origin: AS18149 admin-c: NCGE-VRIO tech-c: NCGE-VRIO remarks: Abuse / UCE reports abuse@ntt.net remarks: Security issues security@ntt.net remarks: SWIP issues ce-ipadmin@us.ntt.net notify: tech@ntt.net mnt-by: MAINT-NTTCOM-BB changed: fukamori@ntt.net 20100611 source: NTTCOM
jpirr	AS23774	Show Raw route6: 2001:dc4::/32 descr: A-DNS-JP remarks: a.dns.jp anycast prefix origin: AS23774 mnt-by: MAINT-AS18149 changed: tech-admin@jprs.co.jp 20250904 source: JPIRR
nttcom	AS23774	Show Raw route6: 2001:dc4::/32 descr: A-DNS-JP origin: AS23774 mnt-by: MAINT-AS18149 changed: tech-admin@jprs.co.jp 20151104 source: NTTCOM
nttcom	AS2497	Show Raw route6: 2001:dc4::/32 descr: Proxy Object for AS2914 Downstream Peer origin: AS2497 remarks: contact ce-ipadmin@us.ntt.net to request removal mnt-by: MAINT-NTTCOM-RA changed: bfoust@us.ntt.net 20100614 source: NTTCOM