Data as of Nov 10, 2026

163.215.3.0/24

1 residential-proxy exit · 30 days

Research Organization of Information and Systems, National Institute of Informatics · space held by Tokyo University Of Technology

Announcement

No RPKI

Announced by

Type

Business

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

0.39% of its addresses · 30 days

Providers

selling exits here

Oct 11, 2026 – Nov 8, 2026

8 observations

Announced by

Prefix: 163.215.0.0/16
Announced by: AS2907 Research Organization of Information and Systems, National Institute of Informatics
Type: Business
Proxy exits: 16
RPKI: No RPKI
Netname: TEUNET
Registrant: Tokyo University Of Technology
RIR: APNIC

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

IRR

Origin	Registry	Description	Maintainer	Modified
AS2500 not the origin	RADB	Tokyo Engineering University	MAINT-AS2500	Nov 13, 2023
AS2907	JPIRR	Tokyo University of Technorogy	MAINT-AS2907	Sep 1, 2026
AS17949 not the origin	RADB	Tokyo University of Technorogy	MAINT-AS7684	Nov 13, 2023
AS17949 not the origin	JPIRR	Tokyo University of Technorogy	MAINT-AS7684	Aug 5, 2026