Data as of Nov 9, 2026
200.133.224.0/20
2 residential-proxy exits · 30 daysUniversidade Federal de Sao Carlos
Residential-proxy exits
Proxy exits
2
0.05% of its addresses · 30 days
Spread
2 of 16
/24s with at least one exit
Providers
16
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
92 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 200.133.227.0/24 | 0 | 1 | |
| 200.133.230.0/24 | 0 | 1 |
Proxy providers listing exits
- BirdProxies
- ByteProxies
- Byteful
- EnigmaProxy
- GSocks
- Geonix
- Infatica
- MangoProxy
- NodeProxy
- NovaProxy
- Proxyma
- RainProxy
- Shifter
- Thordata
- VantageProxies
- VitalExclusive
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 200.133.236.0/23 since Nov 2019 | AS52888 | Business |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS52888
BR
- Name
- Universidade Federal de Sao Carlos
- Type
- Education
- Registered
- May 24, 2012
- Domain
- ufscar.br
- Website
- www.ufscar.br
- 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
- Mar 2013
- Current origin since
- Mar 2013 · 14 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 200.133.224.0/20 | AS52888 | /20 | LACNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 200.133.238.0/23 | AS52888 | TC | UFSCar-SOR | MAINT-AS52888 | Jul 31, 2024 |
Whois
Registration for this announcement
- Range
- 200.
133. 224. 0/ 20 - Netname
- 370569
- Registrant
- Universidade Federal de Sao Carlos
- Registrant country
- BR
- Organization
- Universidade Federal de Sao Carlos (45358058000140)
- Handle
- 200.
133. 224. 0/ 20 - Created
- Feb 15, 2000
- RIR
- LACNIC
- Country
- BR
- Delegated
- Feb 15, 2000
- Status
- assigned