Data as of Nov 14, 2026
190.171.4.0/22
No anonymizer space · no proxy exits in 30 daysRadiografica Costarricense
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 190.171.4.0/24 since Apr 2026 | AS3790 | Unknown | |
| 190.171.5.0/24 since Apr 2026 | AS3790 | Unknown |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 190.171.0.0/18 | 16,384 | — | Radiografica Costarricense (CR-RACO-LACNIC) | allocated | Jun 23, 2010 | lacnicadmin@ |
| └ 190.171.4.0/23 | 512 | — | Servicio 5G FWA Racsa (CR-SGFR-LACNIC) | reallocated | Nov 10, 2025 | lacnicadmin@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 512 | 50% | 1 | |
| Unknown | 512 | 50% | 2 |
Network & registry
IPv4 market
Holder
- Organization
- Not stated by the registry
Origin network
AS3790
CR
- Name
- Radiografica Costarricense
- Type
- Internet provider
- Registered
- Aug 25, 1994
- Domain
- racsa.co.cr
- Website
- www.racsa.go.cr/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1
- Tor exits
- 1
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2022
- Current origin since
- Oct 2022 · 4.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 190.171.4.0/22 | AS3790 | /24 | LACNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 190.
171. 0. 0/ 18 - Netname
- CR-RACO-LACNIC
- Registrant
- Radiografica Costarricense
- Registrant country
- CR
- Organization
- Not stated by the registry
- Type
- allocated
- Created
- Jun 23, 2010
- RIR
- LACNIC
- Country
- CR
- Delegated
- Jun 23, 2010
- Status
- assigned
Report abuse
Abuse contact
- lacnicadmin@
racsa. go. cr - Name
- Dpto Planificación y Despliegue Recursos
- Phone
- +506 8006346246 [0000]
- Handle
- LUK2