Data as of Nov 11, 2026
187.121.231.0/24
No anonymizer space · no proxy exits in 30 daysPronto Fibra LTDA
Network & registry
Announced by
Covering announcement 187.121.224.0/21
- Prefix
- 187.121.224.0/21
- Announced by
- AS266356 Pronto Fibra LTDA
- Type
- Residential
- Proxy exits
- 56
- RPKI
- RPKI valid
- Netname
- 509633
- Registrant
- Pronto Fibra LTDA
- RIR
- LACNIC
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS266356
BR
- Name
- Pronto Fibra LTDA
- Type
- Internet provider
- Registered
- Nov 10, 2016
- Domain
- prontofibra.com.br
- Website
- prontofibra.com.br/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 187.121.224.0/21
187.121.224.0/21
Routing history
- Pattern
- Stable
- First seen
- Dec 2024
- Current origin since
- Dec 2024 · 1.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 187.121.224.0/21 | AS266356 | /24 | LACNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 187.
121. 224. 0/ 21 - Netname
- 509633
- Registrant
- Pronto Fibra LTDA
- Registrant country
- BR
- Organization
- Pronto Fibra LTDA (24404615000141)
- Handle
- 187.
121. 224. 0/ 21 - Created
- Mar 8, 2010
- RIR
- LACNIC
- Country
- BR
- Delegated
- Mar 8, 2010
- Status
- assigned
Report abuse
Abuse contact
- noc@
prontofibra. com. br - Name
- Pronto Fibra
- Handle
- PRFIB