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Data as of Nov 8, 2026

133.247.138.0/24

1 residential-proxy exit · 30 days

MCAT Ltd. · space held by Japan Network Information Center

Announcement
133.247.136.0/21
RPKI valid
Announced by
AS131923
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
2
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

8 observations

Proxy providers listing exits

  • RainProxy
  • Shifter

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
133.0.0.0/816,777,216JPNIC-NET-JP-ERXJapan Network Information CenterALLOCATED PORTABLE—hostmaster@nic.ad.jp

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 133.247.136.0/21

Prefix
133.247.136.0/21
Announced by
AS131923 MCAT Ltd.
Type
Residential
Proxy exits
21
Always-on exits
2
RPKI
RPKI valid
Netname
MCAT
Registrant
MCAT Ltd.
RIR
APNIC
IPv4 market

Holder

Holder in the market →
Organization
Japan Network Information Center
Range
133.0.0.0/8
Registration type
ALLOCATED PORTABLE
Origin network

AS131923

JP
Name
MCAT Ltd.
Type
Internet provider
Registered
Aug 4, 2011
Domain
mcat.co.jp
Website
www.mcat.co.jp/
Spamhaus ASN-DROP
not listed