Data as of Nov 5, 2026

133.17.0.0/16

9 residential-proxy exits · 30 days

Research Organization of Information and Systems, National Institute of Informatics · space held by Japan Network Information Center

Announcement

this exact prefix

No RPKI

Announced by

Type

Business

Residential-proxy exits

Proxy exits

0.01% of its addresses · 30 days

Spread

2 of 256

/24s with at least one exit

Providers

selling exits here

Oct 6, 2026 – Nov 4, 2026

59 observations

/24	Always-on exits	Proxy exits
133.17.6.0/24	0	8
133.17.165.0/24	0	1

More specific

Prefix	Origin	Type	Holder	RPKI
133.17.7.0/24 since Mar 2016	AS2907	Business	Japan Network Information Center
133.17.10.0/24 since Mar 2021	AS2907	Business	Japan Network Information Center

Origin network

Name: Research Organization of Information and Systems, National Institute of Informatics
Type: Education
Registered: Aug 1, 2002
Domain: sinet.ad.jp
Website: www.sinet.ad.jp/
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed