Data as of Nov 10, 2026
205.208.121.0/24
4 residential-proxy exits · 30 daysThe University of Chicago
Residential-proxy exits
Proxy exits
4
1.6% of its addresses · 30 days
Providers
5
selling exits here
Oct 11, 2026 – Nov 8, 2026
Exits seen per day
216 observations
Proxy providers listing exits
- GSocks
- Infatica
- RainProxy
- Shifter
- VantageProxies
Network & registry
Announced by
Covering announcement 205.208.0.0/17
- Prefix
- 205.208.0.0/17
- Announced by
- AS160 The University of Chicago
- Type
- Business
- Proxy exits
- 4
- RPKI
- RPKI valid
- Netname
- U-CHICAGO
- Registrant
- The University of Chicago
- RIR
- ARIN
Origin network
AS160
US
- Name
- The University of Chicago
- Type
- Education
- Registered
- Feb 25, 1988
- Domain
- uchicago.edu
- Website
- www.uchicago.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 205.208.0.0/17
205.208.0.0/17
Routing history
- Pattern
- Stable
- First seen
- Aug 2007
- Current origin since
- Aug 2007 · 19 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 205.208.0.0/17 | AS198949 | /24 | ARIN | Another network |
| 205.208.0.0/17 | AS160 | /17 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 205.
208. 0. 0/ 17 - Netname
- U-CHICAGO
- Registrant
- The University of Chicago
- Organization
- The University of Chicago (UNIVER-174)
- Org address
- 1155 E. 60th Street, Chicago, IL, 60637
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-205-208-0-0-1
- Parent
- NET-205-0-0-0-0
- Created
- Mar 22, 2007
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 22, 2007
- Status
- assigned
Report abuse
Abuse contact
- security@
uchicago. edu - Name
- Network Security Center
- Phone
- +1-773-702-2378
- Handle
- NSC26-ARIN