Data as of Nov 10, 2026
Autonomous system
AS2501
The University of Tokyo
Announces 200,704 addresses in 4 prefixes. None of it is anonymizer space.
Type
Education
JP
Proxy activity, 30 days
61 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 130.69.0.0/16 since May 2005 | Business | 1 | University of Tokyo | |
| 133.11.0.0/16 since May 2005 | Business | 3 | Japan Network Information Center | |
| 157.82.0.0/16 since May 2005 | Business | 45 1 always on | University of Tokyo | |
| 192.51.208.0/20 since May 2005 | Business | 12 | imported inetnum object for JNIC |
Residential-proxy exposure
Always-on exits
1
1.6% of its exits
Spread
20
/24s with at least one exit
Providers
60
selling exits here
/24s with the most always-on exits
Proxy providers listing exits
- 2Captcha
- 9Proxy
- Ake.net
- AnyIP
- BartProxies
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- DataImpulse
- Datarama
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- GeekProxy
- Geonix
- Geonode
- GonzoProxy
- HydraProxy
- IPOasis
- IPPeak
- Infatica
- InfiniteProxies
- LemonBright
- LemonLabs
- LemonPrime
- LightningProxies
- MangoProxy
- NodeMaven
- NodeProxy
- NovaProxy
- PROXYSCRAPE
- PROXYWING_BASIC
- PSBProxy
- PrivateByte
- PrivateProxy
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- Proxyma
- QUANTICDATA
- RainProxy
- ResiProxies
- Shifter
- Thordata
- ThunderProxy
- VantageProxies
- VibeProxies
- VitalData
- VitalExclusive
- VitalProxy
Proxy activity
Oct 11, 2026 – Nov 8, 2026
AS2501, day by day
4.0K observations
Network & history
Profile
- Registered
- Apr 5, 2002
- Domain
- u-tokyo.ac.jp
Routing patterns
How its announcements have moved
Arrivals