Data as of Nov 8, 2026
140.226.0.0/16
25 residential-proxy exits · 30 daysUniversity of Colorado Denver
Residential-proxy exits
Proxy exits
25
0.04% of its addresses · 30 days
Spread
2 of 256
/24s with at least one exit
Providers
45
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
5.0K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 140.226.13.0/24 | 0 | 15 | |
| 140.226.33.0/24 | 0 | 10 |
Proxy providers listing exits
- 9Proxy
- Ake.net
- AnyIP
- BirdProxies
- BottingTools
- BuyingProxy
- ByteProxies
- Byteful
- CliProxy
- ColaProxy
- Datarama
- EnigmaProxy
- Evomi
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GloryCloud
- GonzoProxy
- HideProxy
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- LemonBright
- LightningProxies
- MangoProxy
- NextProxy
- NodeProxy
- NovaProxy
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyGeo
- ProxyRack
- Proxyma
- RainProxy
- ResiProxies
- Shifter
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
Network & registry
Origin network
AS16519
US
- Name
- University of Colorado Denver
- Type
- Education
- Registered
- May 5, 2000
- Domain
- ucdenver.edu
- Website
- www.ucdenver.edu
- Industry
- Education Software
- 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 2013 · 14 yr
- Origin networks
- 2
- Last change of origin
- May 2013
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 140.226.0.0/16 | AS16519 | /16 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS16519 | RADB | University of Colorado Anschutz Medical Campus | MAINT-AS14041 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 140.226.1.0/24 | AS16519 | ARIN | University of Colorado Denver | MNT-UCAD-1-Z | Mar 17, 2026 |
Whois
Registration for this announcement
- Range
- 140.
226. 0. 0/ 16 - Netname
- CUANSCHUTZ
- Registrant
- University of Colorado Denver
- Organization
- University of Colorado Denver (UCAD-1-Z)
- Org address
- 1945 N. Wheeling St, Aurora, CO, 80045
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-140-226-0-0-1
- Parent
- NET-140-0-0-0-0
- Created
- Jun 15, 1990
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 15, 1990
- Status
- assigned
Report abuse
Abuse contact
- piotr.
artwich@ ucdenver. edu - Name
- Artwich, Piotr
- Phone
- +1-303-724-7878
- Handle
- ARTWI-ARIN