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Data as of Nov 8, 2026

133.88.88.0/23

7 residential-proxy exits · 30 days

MCAT Ltd. · space held by Japan Network Information Center

Announcement
133.88.88.0/22
RPKI valid
Announced by
AS131923
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
7
1.4% of its addresses · 30 days
Always-on exits
2
29% of its exits
Spread
2 of 2
/24s with at least one exit
Providers
4
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

1.7K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
133.88.88.0/2425
133.88.89.0/2402

Proxy providers listing exits

  • AnyIP
  • FloppyData
  • 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 133.88.88.0/22

Prefix
133.88.88.0/22
Announced by
AS131923 MCAT Ltd.
Type
Residential
Proxy exits
14
Always-on exits
3
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