Data as of Nov 5, 2026
128.59.0.0/16
230 residential-proxy exits · 30 daysColumbia University
Residential-proxy exits
Proxy exits
230
0.35% of its addresses · 30 days
Spread
13 of 256
/24s with at least one exit
Providers
58
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
14K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 128.59.179.0/24 | 0 | 60 | |
| 128.59.176.0/24 | 0 | 54 | |
| 128.59.177.0/24 | 0 | 50 | |
| 128.59.178.0/24 | 0 | 44 | |
| 128.59.193.0/24 | 0 | 10 | |
| 128.59.163.0/24 | 0 | 2 | |
| 128.59.53.0/24 | 0 | 2 | |
| 128.59.7.0/24 | 0 | 1 | |
| 128.59.164.0/24 | 0 | 1 | |
| 128.59.143.0/24 | 0 | 1 | |
| 128.59.107.0/24 | 0 | 1 | |
| 128.59.87.0/24 | 0 | 1 | |
| 128.59.65.0/24 | 0 | 1 |
Proxy providers listing exits
- 711Proxy
- 9Proxy
- Ake.net
- BartProxies
- BirdProxies
- BottingTools
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- ColaProxy
- DataImpulse
- Datarama
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GhostConnect
- GonzoProxy
- HideProxy
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- LemonBright
- LemonLabs
- LemonPrime
- LudaxProxy
- MangoProxy
- NextProxy
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- ProxiesVision
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- Proxyma
- RainProxy
- RealProxy
- Shifter
- Thordata
- TrueProxies
- VantageProxies
- VitalExclusive
- WealthProxies
Network & registry
Origin network
AS14
US
- Name
- Columbia University
- Type
- Education
- Domain
- columbia.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS14 | RADB | CU-NET-128-59-0-0 | MAINT-AS14 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 128.
59. 0. 0/ 16 - Netname
- CU-NET-128-59
- Registrant
- Columbia University
- Organization
- Columbia University (COLUMB)
- Org address
- 612 W 115TH ST, NEW YORK, NY, 10025
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-128-59-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- Feb 5, 1985
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1985
- Status
- assigned
Report abuse
Abuse contact
- abuse@
columbia. edu - Name
- COLUMBIA UNIVERSITY ABUSE CONTACT
- Phone
- +1-212-854-1919
- Handle
- CUAC-ARIN