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Data as of Nov 3, 2026

210.152.52.0/23

No anonymizer space · no proxy exits in 30 days

IDC Frontier Inc. · space held by Japan Network Information Center

Announcement
210.152.52.0/22
RPKI valid
Announced by
AS4694
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
210.152.32.0/19
since Jul 2025
AS4694HostingJapan Network Information Center
210.152.0.0/16
since Oct 2005
AS4694Hosting1Japan Network Information Center

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
210.144.0.0/121,048,576JPNIC-NET-JPJapan Network Information CenterALLOCATED PORTABLE—[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 210.152.52.0/22

Prefix
210.152.52.0/22
Announced by
AS4694 IDC Frontier Inc.
Type
Hosting
RPKI
RPKI valid
Netname
IDCFNet-CIDR-BLK-JP
Registrant
IDC Frontier Inc.
RIR
APNIC
IPv4 market

Holder

Holder in the market →
Organization
Japan Network Information Center
Range
210.144.0.0/12
Registration type
ALLOCATED PORTABLE
Origin network

AS4694

JP
Name
IDC Frontier Inc.
Type
Hosting
Registered
Aug 30, 1995
Domain
idcf.jp
Website
www.idcf.jp/english/
Spamhaus ASN-DROP
not listed