Data as of Nov 5, 2026
128.138.0.0/16
219 residential-proxy exits · 30 daysUniversity of Colorado at Boulder · space held by University of Colorado
Residential-proxy exits
Proxy exits
219
0.33% of its addresses · 30 days
Always-on exits
3
1.4% of its exits
Spread
6 of 256
/24s with at least one exit
Providers
73
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
27K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 128.138.65.0/24 | 1 | 211 | |
| 128.138.37.0/24 | 1 | 2 | |
| 128.138.10.0/24 | 1 | 1 | |
| 128.138.64.0/24 | 0 | 2 | |
| 128.138.13.0/24 | 0 | 1 | |
| 128.138.141.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BartProxies
- BirdProxies
- BottingTools
- Bright Data
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- ColaProxy
- Datarama
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GhostConnect
- GloryCloud
- GonzoProxy
- HideProxy
- HydraProxy
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- LemonBright
- LemonLabs
- LemonPrime
- LightningProxies
- LudaxProxy
- MangoProxy
- MoMoProxy
- NextProxy
- NodeMaven
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PrivateProxy
- Proxies.fo
- ProxiesVision
- Proxio
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyGeo
- ProxyRack
- Proxying
- Proxyma
- PuraRoute
- RainProxy
- RapidProxy
- RealProxy
- ResiProxies
- Shifter
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- WealthProxies
Network & registry
Origin network
AS104
US
- Name
- University of Colorado at Boulder
- Type
- Education
- Registered
- Apr 9, 1987
- Domain
- colorado.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 |
|---|---|---|---|---|
| AS104 | RADB | University of Colorado Boulder | MAINT-AS14041 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 128.
138. 0. 0/ 16 - Netname
- COLORADO
- Registrant
- University of Colorado
- Organization
- University of Colorado (UNIVER-24)
- Org address
- Office of Information Technology, Boulder, CO, 80309-0455
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-128-138-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- Jul 14, 1986
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 14, 1986
- Status
- assigned
Report abuse
Abuse contact
- abuse@
colorado. edu - Name
- Abuse
- Phone
- +1-303-735-4357
- Handle
- ABUSE306-ARIN