Data as of Nov 9, 2026

163.221.195.0/24

1 residential-proxy exit · 30 days

Nara Institute of Science and Technology, National University Corporation

Announcement

163.221.0.0/16

RPKI valid

Announced by

AS131158

Type

Business

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

0.39% of its addresses · 30 days

Providers

selling exits here

Oct 10, 2026 – Nov 8, 2026

Exits seen per day

3 observations

Proxy providers listing exits

FastProxy

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Announced by

Covering announcement 163.221.0.0/16

Prefix: 163.221.0.0/16
Announced by: AS131158 Nara Institute of Science and Technology, National University Corporation
Type: Business
Proxy exits: 2
RPKI: RPKI valid
Netname: AISTNET
Registrant: Nara Institute of Science and Technology, National University Corporation
RIR: APNIC

Origin network

AS131158

Name: Nara Institute of Science and Technology, National University Corporation
Type: Education
Registered: Oct 3, 2008
Domain: naist.ac.jp
Spamhaus ASN-DROP: not listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
163.221.0.0/16	AS131158	/16	APNIC	RPKI valid

IRR

Route objects on 163.221.0.0/16

Origin	Registry	Description	Maintainer	Modified
AS131158	JPIRR	Nara Institute of Science and Technology	MAINT-AS131158	Dec 1, 2025

163.221.195.0/24

Residential-proxy exits

Exits seen per day

Proxy providers listing exits

Network & registry

Covering announcement 163.221.0.0/16

AS131158

Who has announced 163.221.0.0/16

Routing history

History

Route origin authorizations

Route objects on 163.221.0.0/16

Registration for this announcement

Abuse contact