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Data as of Nov 9, 2026

219.105.104.0/21

No anonymizer space · no proxy exits in 30 days

JCOM Co., Ltd. · space held by Japan Network Information Center

Announcement
219.105.96.0/20
RPKI valid
Announced by
AS18136
Type
Residential
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
219.105.96.0/19
since May 2005
AS18136Residential5Japan Network Information Center

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
219.96.0.0/112,097,152JPNIC-NET-JPJapan Network Information CenterALLOCATED PORTABLE—hostmaster@nic.ad.jp

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 219.105.96.0/20

Prefix
219.105.96.0/20
Announced by
AS18136 JCOM Co., Ltd.
Type
Residential
Proxy exits
5
RPKI
RPKI valid
Netname
JCOM-NET
Registrant
JCOM Co., Ltd.
RIR
APNIC
IPv4 market

Holder

Holder in the market →
Organization
Japan Network Information Center
Range
219.96.0.0/11
Registration type
ALLOCATED PORTABLE
Origin network

AS18136

JP
Name
JCOM Co., Ltd.
Type
Internet provider
Registered
Mar 21, 2002
Domain
jcom.co.jp
Spamhaus ASN-DROP
not listed