CR

Costa Rica holds 2,334,976 IPv4 addresses from LACNIC and RIPE NCC.

Short answer

Regional registries have allocated 2,334,976 IPv4 addresses in 185 blocks, 111 IPv6 blocks and 125 network numbers to organisations in Costa Rica, the first on 15 Feb 1990. By DB-IP’s count the largest network here is Instituto Costarricense de Electricidad y Telecom. (AS11830).

RegistryLACNIC, RIPE NCC
IPv4 allocated (RIR)2,334,976
IPv4 blocks185
IPv6 blocks111 (100 /32s of space)
Network numbers (ASNs)125
First / latest allocation15 Feb 1990 / 9 Sept 2026
IPv4 placed here by DB-IP2,420,092
DB-IP ranges (IPv4 / IPv6)399 / 234

Registered here vs used here

The RIR count is what was allocated to organisations registered in Costa Rica; DB-IP’s count is where it estimates addresses are used. DB-IP places 85,116 more IPv4 addresses in Costa Rica than were allocated here, which happens when networks registered elsewhere (cloud providers, multinationals) operate in the country.

Largest networks by IPv4 space in Costa Rica

NetworkASNIPv4 in CR
Instituto Costarricense de Electricidad y Telecom.AS118301,469,696
Cable TicaAS52228193,024
MILLICOM CABLE COSTA RICA S.A.AS262197162,048
RADIOGRAFICA COSTARRICENSEAS3790123,136
Universidad de Costa RicaAS26368341,728
Telecable Economico S.A.AS5226335,368
UFINET PANAMA S.A.AS5246822,056
American Data NetworksAS2787611,944
Telefonica de Costa Rica TC, SAAS26220211,264
NAVEGALO S.A.AS2811010,496
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)AS26214510,240
TelguaAS1475410,240
Cogent CommunicationsAS1747,662
Cloudflare, Inc.AS133356,656
Data Miners S.A. ( Racknation.cr )AS524236,296

IP Geolocation by DB-IP (ASN Lite × Country Lite, CC BY 4.0).

Allocations per year

201534
201626
201729
201834
201913
20204
202114
202211
20235
202410
202518
20267

Delegation records per year (IPv4 blocks + IPv6 blocks + ASN records) still current in the RIR files. Last 12 years shown.

Download the ranges

Every IPv4 and IPv6 range DB-IP Country Lite places in Costa Rica, as CSV. The file carries DB-IP’s attribution, which you must keep if you republish it.

Costa Rica ranges (CSV)

Sources

  1. NRO RIR delegated-extended statistics · checked 5 Nov 2026
  2. DB-IP IP to Country Lite (CC BY 4.0) · checked 3 Nov 2026