Data as of Nov 3, 2026
Autonomous system
AS14
Columbia University
Announces 208,896 addresses in 11 prefixes. None of it is anonymizer space.
Type
Education
US
Proxy activity, 30 days
576 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 128.59.0.0/16 since May 2005 | Business | 228 | ||
| 129.236.0.0/16 since May 2005 | Business | 264 2 always on | Lamont-Doherty Earth Observatory of Columbia University | |
| 160.39.0.0/16 since May 2005 | Business | 84 3 always on | ||
| 192.5.43.0/24 since May 2005 | Business | |||
| 192.12.82.0/24 since May 2005 | Business | |||
| 207.10.136.0/21 since May 2005 | Business | Lamont-Doherty Earth Observatory of Columbia University | ||
| 209.2.47.0/24 since May 2005 | Business | Lamont-Doherty Earth Observatory of Columbia University | ||
| 209.2.48.0/22 since May 2005 | Business | Lamont-Doherty Earth Observatory of Columbia University | ||
| 209.2.185.0/24 since Aug 2019 | Business | Lamont-Doherty Earth Observatory of Columbia University | ||
| 209.2.208.0/20 since May 2005 | Business | Lamont-Doherty Earth Observatory of Columbia University | ||
| 209.2.224.0/20 since May 2005 | Business | Lamont-Doherty Earth Observatory of Columbia University |
Residential-proxy exposure
Always-on exits
5
0.87% of its exits
Spread
48
/24s with at least one exit
Providers
85
selling exits here
/24s with the most always-on exits
Proxy providers listing exits
- 2Captcha
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BartProxies
- BirdProxies
- BlurPath
- BottingTools
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- ColaProxy
- DataImpulse
- Datarama
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- GeekProxy
- Geonix
- Geonode
- GhostConnect
- GloryCloud
- GonzoProxy
- HideProxy
- HydraProxy
- IPCola
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KocerRoxy
- LemonBright
- LemonLabs
- LemonPrime
- LightningProxies
- LudaxProxy
- MangoProxy
- MoMoProxy
- NextProxy
- NodeMaven
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PacketStream
- PrivateByte
- PrivateProxy
- Proxies.fo
- ProxiesVision
- Proxio
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyHat
- ProxyRack
- ProxyStyler
- ProxyWing
- Proxying
- Proxyma
- PuraRoute
- RainProxy
- RealProxy
- ResiProxies
- Shifter
- Thordata
- ThunderProxy
- TrueProxies
- VantageProxies
- VitalExclusive
- VitalProxy
- WealthProxies
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS14, day by day
43K observations
Network & history
Profile
- Domain
- columbia.edu
- Industry
- Colleges, Universities, and Professional Schools
Routing patterns
How its announcements have moved
Arrivals