Data as of Nov 7, 2026
128.138.13.0/24
1 residential-proxy exit · 30 daysUniversity of Colorado at Boulder · space held by University of Colorado
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
2
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
1 observation
Proxy providers listing exits
- LemonBright
- VitalExclusive
Network & registry
Announced by
Covering announcement 128.138.0.0/16
- Prefix
- 128.138.0.0/16
- Announced by
- AS104 University of Colorado at Boulder
- Type
- Business
- Proxy exits
- 218
- Always-on exits
- 3
- RPKI
- No RPKI
- Netname
- COLORADO
- Registrant
- University of Colorado
- RIR
- ARIN
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 128.138.0.0/16
128.138.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on 128.138.0.0/16
| 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