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Data as of Nov 8, 2026

203.140.64.0/24

1 residential-proxy exit · 30 days

OPTAGE Inc. · space held by Japan Network Information Center

Announcement
203.140.64.0/19
RPKI valid
Announced by
AS17511
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
4
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

27 observations

Proxy providers listing exits

  • FastProxy
  • LemonBright
  • ThunderProxy
  • VitalExclusive

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
203.136.0.0 - 203.141.255.255393,216JPNIC-NET-JPJapan Network Information CenterALLOCATED PORTABLE—hostmaster@nic.ad.jp

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 203.140.64.0/19

Prefix
203.140.64.0/19
Announced by
AS17511 OPTAGE Inc.
Type
Residential
Proxy exits
17
Always-on exits
1
RPKI
RPKI valid
Netname
K-Opticom-CIDR-BLK-JP
Registrant
OPTAGE Inc.
RIR
APNIC
IPv4 market

Holder

Holder in the market →
Organization
Japan Network Information Center
Range
203.136.0.0 - 203.141.255.255
Registration type
ALLOCATED PORTABLE
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