Data as of Nov 7, 2026
201.33.104.0/21
No anonymizer space · no proxy exits in 30 daysFundacao Casper Libero
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 201.33.96.0/20 since Aug 2016 | AS28275 | Business | 2 |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS28275
BR
- Name
- Fundacao Casper Libero
- Type
- Education
- Registered
- Mar 22, 2007
- Domain
- fcl.com.br
- Website
- www.fcl.com.br/
- Industry
- Radio and Television Providers
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2011
- Current origin since
- Apr 2026 · 6 mo
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS28275 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 201.33.104.0/24 | AS28275 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
| 201.33.105.0/24 | AS28275 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
| 201.33.106.0/24 | AS28275 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
| 201.33.107.0/24 | AS28275 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
| 201.33.111.0/24 | AS28275 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 201.
33. 96. 0/ 20 - Netname
- 92375
- Registrant
- Fundacao Casper Libero
- Registrant country
- BR
- Organization
- Fundacao Casper Libero (61277273000172)
- Handle
- 201.
33. 96. 0/ 20 - Created
- Mar 22, 2007
- RIR
- LACNIC
- Country
- BR
- Delegated
- Mar 22, 2007
- Status
- assigned
Report abuse
Abuse contact
- registros.
dns@ fcl. com. br - Name
- Registar FCL
- Handle
- REFCL6