Data as of Nov 14, 2026

133.31.0.0/17

7 residential-proxy exits · 30 days

Tokyo University of Science · space held by Japan Network Information Center

Announcement

this exact prefix

No RPKI

Announced by

AS55390

Type

Business

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

0.02% of its addresses · 30 days

Spread

4 of 128

/24s with at least one exit

Providers

selling exits here

Oct 15, 2026 – Nov 13, 2026

Exits seen per day

404 observations

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
133.31.18.0/24	0	2
133.31.23.0/24	0	2
133.31.89.0/24	0	2
133.31.87.0/24	0	1

Proxy providers listing exits

BottingTools
Byteful
EnigmaProxy
FLEETPROXY
FloppyData
NovaProxy
Proxiware
ProxyEmpire
ProxyRack
RainProxy
Shifter
VantageProxies
ZENPROXY_PREMIUM

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
133.31.0.0/16 since Dec 2010	AS55390	Business	9	Japan Network Information Center

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern: Stable
First seen: Nov 2020
Current origin since: Nov 2020 · 6.0 yr
Origin networks: 1