Data as of Nov 3, 2026
201.237.66.0/23
No anonymizer space · no proxy exits in 30 daysInstituto Costarricense de Electricidad y Telecom.
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 201.237.66.0/24 since Oct 2017 | AS11830 | Residential |
Registrations in this block
The registry's network records over this block, widest first, each 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] |
| └ 201.237.66.0/23 | 512 | — | San Antonio Nicoya (CR-SANI1-LACNIC) | reallocated | Feb 28, 2012 | [email protected] |
Network & registry
Announced by
Covering announcement 201.237.0.0/16
- Prefix
- 201.237.0.0/16
- Announced by
- AS11830 Instituto Costarricense de Electricidad y Telecom.
- Type
- Residential
- Proxy exits
- 1,744
- Always-on exits
- 98
- RPKI
- RPKI valid
- Netname
- CR-ICEY-LACNIC
- Registrant
- Instituto Costarricense de Electricidad y Telecom.
- RIR
- LACNIC
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
Who has announced 201.237.0.0/16
201.237.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 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 |
IRR
Route objects on 201.237.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS11830 | RADB | COLUMBUS NETWORKS TRANSIT CUSTOMERS | MAINT-AS23520 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 201.237.0.0/16
- Netname
- CR-ICEY-LACNIC
- Registrant
- Instituto Costarricense de Electricidad y Telecom.
- Registrant country
- CR
- Organization
- Not stated by the registry
- Type
- allocated
- Created
- Feb 11, 2005
- RIR
- LACNIC
- Country
- CR
- Delegated
- Feb 11, 2005
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Vivian Valverde Arguello
- Phone
- +506 20001128
- Handle
- VVA