Data as of Nov 3, 2026
201.237.4.0/24
96 residential-proxy exits · 30 daysInstituto Costarricense de Electricidad y Telecom.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Proxy exits nearby
Residential-proxy exits
Proxy exits
96
38% of its addresses · 30 days
Always-on exits
23
24% of its exits
Providers
34
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
71K observations
Proxy providers listing exits
- 711Proxy
- AnyIP
- BirdProxies
- BottingTools
- Bright Data
- ByteProxies
- Byteful
- DataImpulse
- Decodo
- Evomi
- FlashProxy
- Geonode
- GoProxies
- GonzoProxy
- IPRoyal
- Infatica
- InfiniteProxies
- Kookey
- LemonBright
- Maskify
- NSocks
- Oxylabs
- PacketStream
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyRack
- ProxyWing
- Proxying
- Proxyma
- StrikeProxy
- Thordata
- ThunderProxy
- Webshare
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 201.237.0.0/21 since Mar 2022 | AS11830 | Residential | 302 84 always on | |
| 201.237.0.0/16 since May 2005 | AS11830 | Residential | 1,737 95 always on |
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 |
|---|---|---|---|---|---|---|
| 201.237.0.0/16 | 65,536 | — | Instituto Costarricense de Electricidad y Telecom. (CR-ICEY-LACNIC) | allocated | Feb 11, 2005 | [email protected] |
| └ 201.237.0.0/21 | 2,048 | — | ESPARZA (CR-ESPA-LACNIC) | reallocated | Feb 28, 2012 | [email protected] |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS11830
CR
- Name
- Instituto Costarricense de Electricidad y Telecom.
- Type
- Internet provider
- Registered
- Jan 6, 1999
- Domain
- grupoice.com
- Website
- www.grupoice.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2023
- Current origin since
- Feb 2023 · 3.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 201.237.0.0/16 | AS202 | /24 | LACNIC | Another network |
| 201.237.0.0/16 | AS203 | /24 | LACNIC | Another network |
| 201.237.0.0/16 | AS3356 | /24 | LACNIC | Another network |
| 201.237.0.0/16 | AS11830 | /24 | LACNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 201.237.0.0/21
- Netname
- CR-ESPA-LACNIC
- Registrant
- ESPARZA
- Registrant country
- CR
- Organization
- Not stated by the registry
- Type
- reallocated
- Created
- Feb 28, 2012
- RIR
- LACNIC
- Country
- CR
- Delegated
- Feb 11, 2005
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Disenno y Transporte, ICE
- Phone
- +506 20001123 [0000]
- Handle
- REJ