Costa Rica
IP address space, AS numbers and the largest networks registered in Costa Rica, based on the delegation records of the regional internet registries.
IPv4 addresses
2.3M
184 blocks
IPv6 allocations
111
AS numbers
125
Routed AS numbers
63
Largest networks in Costa Rica
By announced prefixes| AS | Name | IPv4 prefixes | IPv6 prefixes |
|---|---|---|---|
| AS11830 | AS11830 Instituto Costarricense de Electricidad y Telecom. | 1,866 | 37 |
| AS262197 | AS262197 MILLICOM CABLE COSTA RICA S.A. | 443 | 447 |
| AS52228 | AS52228 Cable Tica | 426 | 1 |
| AS3790 | AS3790 RADIOGRAFICA COSTARRICENSE | 215 | 5 |
| AS52263 | AS52263 Telecable Economico S.A. | 151 | 8 |
| AS52423 | AS52423 Data Miners S.A. ( Racknation.cr ) | 27 | 42 |
| AS262145 | AS262145 Cooperativa de Electrificacion Rural de San Carlos R.L. (Coopelesca... | 43 | 13 |
| AS27876 | AS27876 American Data Networks | 52 | 0 |
| AS28110 | AS28110 NAVEGALO S.A. | 42 | 3 |
| AS263683 | AS263683 Universidad de Costa Rica | 34 | 4 |
| AS262202 | AS262202 Telefonica de Costa Rica TC, SA | 30 | 1 |
| AS266853 | AS266853 Comunicaciones Metropolitanas METROCOM, S.A. | 28 | 1 |
| AS262241 | AS262241 COOPERATIVA DE ELECTRIFICACION RURAL DE ALFARO RUIZ R.L. | 24 | 0 |
| AS263762 | AS263762 COOPERATIVA DE ELECTRIFICACION RURAL DE GUANACASTE R.L. | 17 | 5 |
| AS28022 | AS28022 CRISP S.A. | 16 | 1 |
| AS28086 | AS28086 Worldcom de Costa Rica, S.A. | 14 | 1 |
| AS16973 | AS16973 T-Four Services S.A | 14 | 1 |
| AS52392 | AS52392 Grupo Telco de Centroamerica S.A. | 5 | 9 |
| AS271891 | AS271891 UNIVERSIDAD ESTATAL A DISTANCIA | 0 | 14 |
| AS28317 | AS28317 NAVEGALO S.A. | 14 | 0 |
| AS262184 | AS262184 GRUPO KONECTIVA LATAM S.A | 13 | 0 |
| AS263713 | AS263713 Server Lodge S.A. | 9 | 3 |
| AS265636 | AS265636 CoopeSantos R.L. | 12 | 0 |
| AS262149 | AS262149 Sistemas Fratec S.A. | 9 | 1 |
| AS263749 | AS263749 Junta Administrativa del Servicio Electrico Municipal de Cartago(JA... | 4 | 5 |
| AS262252 | AS262252 Servicios Technologicos Antares de Costa Rica, S.A. | 8 | 1 |
| AS263248 | AS263248 GCI SERVICE PROVIDER S.A. | 8 | 1 |
| AS28050 | AS28050 ADN Solutions S.A. (Rokru Int.) | 8 | 0 |
| AS263779 | AS263779 Academia Nacional de Ciencias | 4 | 4 |
| AS52356 | AS52356 R&H International Telecom Services SA. | 6 | 1 |
Delegations by registry: LACNIC 291, RIPE 4. Updated 2026-10-05.