Data as of Nov 4, 2026

103.97.236.0/22

No anonymizer space · no proxy exits in 30 days

OPTAGE Inc. · space held by Reange Co. Ltd.

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
103.97.236.0/221,024REANGE-JPReange Co. Ltd. (ORG-RCL6-AP) · JPALLOCATED PORTABLE—info@reange-inc.com
└ 103.97.236.0/24256MILD-JPMild Inc.ASSIGNED NON-PORTABLE—info@reange-inc.com
└ 103.97.237.0/24256REANGE-JPReange Co. Ltd.ASSIGNED NON-PORTABLE—info@reange-inc.com
└ 103.97.238.0/24256MILD-JPMild Inc.ASSIGNED NON-PORTABLE—info@reange-inc.com
└ 103.97.239.0/24256MILD-JPMild Inc.ASSIGNED NON-PORTABLE—info@reange-inc.com

Network & registry

Origin network

AS17511

JP
Name
OPTAGE Inc.
Type
Internet provider
Registered
Dec 12, 2000
Domain
optage.co.jp
Website
optage.co.jp/en/
Spamhaus ASN-DROP
not listed