Data as of Nov 8, 2026
187.21.24.0/21
7 residential-proxy exits · 30 daysClaro NXT Telecomunicacoes Ltda
Residential-proxy exits
Proxy exits
7
0.34% of its addresses · 30 days
Spread
1 of 8
/24s with at least one exit
Providers
33
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
1.1K observations
Proxy providers listing exits
- 711Proxy
- Ake.net
- B2Proxy
- BestProxy
- BirdProxies
- Byteful
- CliProxy
- Decodo
- EZProxies
- EnigmaProxy
- FastProxy
- GSocks
- IPFly
- IPPeak
- Infatica
- LemonBright
- LudaxProxy
- NSocks
- NodeProxy
- NovaProxy
- Novada
- Proxiware
- ProxyEmpire
- Proxyma
- PuraRoute
- RainProxy
- Shifter
- Smartproxy
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- ZENPROXY_LITE
Network & registry
IPv4 market
Holder
- Organization
- Not stated by the registry
Origin network
AS28573
BR
- Name
- Claro NXT Telecomunicacoes Ltda
- Type
- Internet provider
- Registered
- Nov 27, 2003
- Domain
- claro.com.br
- Website
- www.claro.com.br/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2019
- Current origin since
- Sep 2019 · 7.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 187.20.0.0/14 | AS28573 | /24 | LACNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS28573 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 187.21.24.0/23 | AS28573 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
| 187.21.26.0/23 | AS28573 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
| 187.21.28.0/23 | AS28573 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
| 187.21.30.0/23 | AS28573 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
| 187.21.30.0/24 | AS28573 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
| 187.21.31.0/24 | AS28573 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 187.
20. 0. 0/ 14 - Netname
- 122419
- Registrant
- Claro NXT Telecomunicacoes Ltda
- Registrant country
- BR
- Organization
- Claro NXT Telecomunicacoes Ltda (66970229000167)
- Handle
- 187.
20. 0. 0/ 14 - Created
- Oct 3, 2008
- RIR
- LACNIC
- Country
- BR
- Delegated
- Oct 3, 2008
- Status
- assigned
Report abuse
Abuse contact
- virtua@
virtua. com. br - Name
- Grupo de Segurança Vírtua
- Handle
- GRSVI