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Data as of Nov 3, 2026
Autonomous system

AS7509

Hokkaido University

Announces 131,328 addresses in 3 prefixes. None of it is anonymizer space.

Type
Education
JP
Proxy activity, 30 days
40 exits

Announced prefixes

All 3
Arrived
PrefixTypeProxy exitsHolderRPKI
133.50.0.0/16
since Mar 2022
Business7Japan Network Information Center
133.87.0.0/16
since Mar 2022
Business29Japan Network Information Center
192.50.101.0/24
since Mar 2022
Businessimported inetnum object for JNIC

Residential-proxy exposure

Spread
14
/24s with at least one exit
Providers
18
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
133.87.12.0/24015
133.87.14.0/2406
133.87.147.0/2402
133.50.194.0/2402
133.50.140.0/2402
133.50.198.0/2401
133.50.216.0/2401
133.87.70.0/2401
133.87.78.0/2401
133.87.87.0/2401
133.87.146.0/2401
133.50.193.0/2401
133.87.167.0/2401
133.87.226.0/2401

Proxy providers listing exits

  • BuyingProxy
  • Datarama
  • EnigmaProxy
  • Evomi
  • FloppyData
  • Geonode
  • GhostConnect
  • HideProxy
  • InfiniteProxies
  • NextProxy
  • NovaProxy
  • ProxiesVision
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • RainProxy
  • Shifter
  • VantageProxies

Proxy activity

Oct 4, 2026 – Nov 2, 2026

AS7509, day by day

578 observations

Network & history

NetworkHistory
Profile
Registered
Mar 3, 1997
Domain
hokudai.ac.jp