Data as of Nov 15, 2026

133.88.91.0/24

4 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

1.6% of its addresses · 30 days

Providers

selling exits here

Oct 16, 2026 – Nov 14, 2026

Exits seen per day

20 observations

Proxy providers listing exits

FastProxy
KocerRoxy
LemonBright
RainProxy
Shifter
VitalExclusive

Registrations in this block

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

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
133.0.0.0/8	16,777,216	JPNIC-NET-JP-ERX	Japan Network Information Center	ALLOCATED PORTABLE	—	hostmaster@nic.ad.jp

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced 133.88.88.0/22

133.88.88.0/22

Routing history

Pattern: Stable
First seen: Aug 2021
Current origin since: Aug 2021 · 5.3 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
133.88.88.0/22	AS131923	/25	APNIC	RPKI valid

IRR

Route objects on 133.88.88.0/22

Origin	Registry	Description	Maintainer	Modified
AS131923	JPIRR	MCAT Ltd. CIDR-block NO.93	MAINT-AS131923	Mar 1, 2026