2001:ff0:a000::/37

Originated by AS9824
AS Name: JCOM Co., Ltd.

Overview
Connectivity
Whois
Validation

Registered on: 29 Mar 2005 (21 years old)

Registered to: A917EB41 (apnic); [Transfer History]

Prefix status: Active, Allocated under APNIC

Size of prefix: 2048 /48's

Less Specific Announcements

	Prefix	Description
	2001:ff0::/32	JCOM Co., Ltd.

Upstreams

AS2497 - Internet Initiative Japan Inc.
AS2516 - KDDI Corporation

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description
	AS2497	Internet Initiative Japan Inc.
	AS2516	KDDI Corporation

Peers

	ASN	Description
	AS8220	COLT
	AS16276	OVH SAS
	AS32590	Valve Corporation
	AS30058	FDCservers.net
	AS2518	BIGLOBE Inc.
	AS9607	BroadBand Tower, Inc.
	AS55900	GLBB Japan KK
	AS49544	i3D.net B.V
	AS9002	RETN Limited
	AS199524	Gcore S.A.
	AS2635	Automattic, Inc
	AS2907	Science Information Network
	AS150369	TelHi Corporation
	AS138997	Eons Data Communications Limited
	AS20473	The Constant Company, LLC
	AS13335	Cloudflare, Inc.
	AS137409	GSL Networks Pty LTD
	AS2497	Internet Initiative Japan Inc.
	AS2516	KDDI Corporation

Last Update: 2026-06-14T03:22:28Z UTC

IRR Databases

IRR	Expected ASN
jpirr	AS9824	Show Raw route6: 2001:ff0:a000::/37 descr: JCOM Co., Ltd. (J:COM) origin: AS9824 notify: jpirr-notify@jupiter.jcom.co.jp mnt-by: MAINT-AS9824 changed: jpirr-notify@jupiter.jcom.co.jp 20250710 source: JPIRR
radb	AS9824	Show Raw route6: 2001:ff0:a000::/37 descr: Jupiter Telecommunications Co., Ltd origin: AS9824 notify: radb-notify@jupiter.jcom.co.jp mnt-by: MAINT-AS9824 changed: radb-notify@jupiter.jcom.co.jp 20180906 source: RADB last-modified: 2023-11-13T15:54:40Z

IRR

Expected ASN

jpirr

AS9824

Show Raw

route6:         2001:ff0:a000::/37
descr:          JCOM Co., Ltd. (J:COM)
origin:         AS9824
notify:         jpirr-notify@jupiter.jcom.co.jp
mnt-by:         MAINT-AS9824
changed:        jpirr-notify@jupiter.jcom.co.jp 20250710
source:         JPIRR

radb

AS9824

Show Raw

route6:         2001:ff0:a000::/37
descr:          Jupiter Telecommunications Co., Ltd
origin:         AS9824
notify:         radb-notify@jupiter.jcom.co.jp
mnt-by:         MAINT-AS9824
changed:        radb-notify@jupiter.jcom.co.jp 20180906
source:         RADB
last-modified:  2023-11-13T15:54:40Z

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Less Specific Announcements

Upstreams

Upstreams

Peers

IRR Databases

RPKI Chain (Current origin: Valid)