| ASN | Name | IPv4 Num IPs | IPv6 Num IPs(/64) |
|---|---|---|---|
| AS3790 | RADIOGRAFICA COSTARRICENSE, CR | 119,296 | 4,295,229,440 |
| AS11830 | Instituto Costarricense de Electricidad y Telecom., CR | 1,513,216 | 68,719,869,952 |
| AS16973 | T-Four Services S.A, CR | 4,096 | 4,294,967,296 |
| AS27876 | American Data Networks, CR | 13,312 | 0 |
| AS27908 | Tracity Inc., CR | 4,096 | 0 |
| AS28022 | CRISP S.A., CR | 4,096 | 4,294,967,296 |
| AS28050 | ADN Solutions S.A. (Rokru Int.), CR | 2,048 | 0 |
| AS28086 | Worldcom de Costa Rica, S.A., CR | 10,240 | 4,294,967,296 |
| AS28110 | NAVEGALO S.A., CR | 10,496 | 4,295,098,368 |
| AS28317 | NAVEGALO S.A., CR | 3,584 | 0 |
| AS52228 | Cable Tica, CR | 196,608 | 4,294,967,296 |
| AS52263 | Telecable Economico S.A., CR | 37,120 | 1,342,177,280 |
| AS52342 | Critical Colocation, S.A., CR | 1,024 | 4,294,967,296 |
| AS52356 | R&H International Telecom Services SA., CR | 1,280 | 4,294,967,296 |
| AS52392 | Grupo Telco de Centroamerica S.A., CR | 2,048 | 4,294,967,296 |
| AS52395 | Multiflex Payment Services Ltda, CR | 512 | 0 |
| AS52408 | Itech Soluciones S.A, CR | 1,024 | 0 |
| AS52423 | Data Miners S.A. ( Racknation.cr ), CR | 6,912 | 19,464,192 |
| AS52429 | BAC LATAM SSC SOCIEDAD ANONIMA, CR | 256 | 0 |
| AS52463 | Banco Nacional de Costa Rica (BNCR), CR | 256 | 0 |
| AS52470 | CONARE, CR | 768 | 65,536 |
| AS61464 | BADJELLY S.A., CR | 256 | 0 |
| AS61479 | Dole Shared Services Limited, CR | 256 | 0 |
| AS197789 | Limitada-as - 3-102-955837 LIMITADA, CR | 256 | 0 |
| AS208261 | zef - Zefirius SRL, CR | 512 | 0 |
| AS262145 | Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.), CR | 10,240 | 4,294,967,296 |
| AS262149 | Sistemas Fratec S.A., CR | 2,560 | 4,294,967,296 |
| AS262152 | Banco de Costa Rica, CR | 512 | 0 |
| AS262171 | Telecom Logistics S.A., CR | 4,096 | 0 |
| AS262184 | GRUPO KONECTIVA LATAM S.A, CR | 5,120 | 0 |
| AS262197 | MILLICOM CABLE COSTA RICA S.A., CR | 160,768 | 4,294,967,296 |
| AS262202 | Telefonica de Costa Rica TC, SA, CR | 11,264 | 4,294,967,296 |
| AS262241 | COOPERATIVA DE ELECTRIFICACION RURAL DE ALFARO RUIZ R.L., CR | 6,144 | 0 |
| AS262252 | Servicios Technologicos Antares de Costa Rica, S.A., CR | 2,048 | 4,294,967,296 |
| AS263220 | BANCO PROMERICA COSTA RICA, CR | 256 | 0 |
| AS263232 | ESPH.SA, CR | 4,096 | 4,294,967,296 |
| AS263246 | Metrowireless Solutions de Costa Rica, SA, CR | 1,024 | 4,294,967,296 |
| AS263248 | GCI SERVICE PROVIDER S.A., CR | 2,048 | 4,294,967,296 |
| AS263683 | Universidad de Costa Rica, CR | 41,984 | 983,040 |
| AS263698 | TRANSDATELECOM S.A, CR | 1,536 | 0 |
| AS263713 | Server Lodge S.A., CR | 2,304 | 4,294,967,296 |
| AS263749 | Junta Administrativa del Servicio Eléctrico Municipal de Cartago(JASEC), CR | 1,024 | 4,294,967,296 |
| AS263762 | COOPERATIVA DE ELECTRIFICACIÓN RURAL DE GUANACASTE R.L., CR | 4,096 | 4,294,967,296 |
| AS263779 | Academia Nacional de Ciencias, CR | 768 | 196,608 |
| AS263785 | COLUMBUS NETWORKS DE COSTA RICA SOCIEDAD DE RESPONSABILIDAD LIMITADA, CR | 3,072 | 8,589,934,592 |
| AS263796 | NAVEGALO S.A., CR | 256 | 0 |
| AS263831 | Contraloria General de la Republica, CR | 256 | 65,536 |
| AS264615 | INASOL INALÁMBRICA SOLUCIONES S.A., CR | 1,024 | 0 |
| AS264621 | BLUE SAT SERVICIOS ADMINISTRADOS DE TELECOMUNICACIONES SA, CR | 1,024 | 0 |
| AS264644 | INFORMATION TECHNOLOGIES OUTSOURCING, CR | 256 | 0 |
| AS264654 | FIBERNET, CR | 1,024 | 4,294,967,296 |
| AS264686 | STREET FIBER S.A., CR | 1,024 | 4,294,967,296 |
| AS264820 | COREBASES S.A, CR | 768 | 0 |
| AS265636 | CoopeSantos R.L., CR | 3,072 | 0 |
| AS265873 | FIBER TO THE HOME FTTH SA, CR | 768 | 0 |
| AS266665 | IDEAS GLORIS SOCIEDAD ANÓNIMA, CR | 1,280 | 0 |
| AS266717 | Academia Nacional de Ciencias, CR | 256 | 65,536 |
| AS266719 | Academia Nacional de Ciencias, CR | 256 | 0 |
| AS266746 | CONTINUM DATACENTER SOCIEDAD ANONIMA, CR | 256 | 0 |
| AS266853 | Comunicaciones Metropolitanas METROCOM, S.A., CR | 6,144 | 4,294,967,296 |
| AS266875 | WIMAX NETWORKS SRL, CR | 1,024 | 0 |
| AS266907 | DEWCOM SYSTEMS S.A, CR | 256 | 0 |
| AS267692 | UNIVERSIDAD NACIONAL, CR | 1,024 | 0 |
| AS267698 | COMUNICACION CONSTANTE S.A, CR | 256 | 0 |
| AS267740 | UNIVERSIDAD U LATINA SRL, CR | 1,024 | 0 |
| AS267858 | COMUNICACIONES TELEFONICAS TICOLINEA S.A, CR | 1,024 | 0 |
| AS269841 | COMNET TELECOM CRP, S.A., CR | 1,024 | 0 |
| AS269884 | ENTERPRISE WIRELESS SOLUTIONS SOCIEDAD DE RESPONSABILIDAD LIMITADA, CR | 512 | 0 |
| AS270058 | CABLE CENTRO SOCIEDAD ANONIMA, CR | 1,024 | 268,435,456 |
| AS270087 | COMUNICACION CONSTANTE S.A, CR | 512 | 0 |
| AS271889 | FIBRAENCASA SOCIEDAD ANONIMA, CR | 512 | 4,294,967,296 |
| AS271891 | UNIVERSIDAD ESTATAL A DISTANCIA, CR | 0 | 3,473,408 |
| AS271960 | MIRA NETWORKS SOCIEDAD DE RESPONSABILIDAD LIMITADA, CR | 256 | 0 |
| AS272023 | UNIVERSIDAD TECNICA NACIONAL, CR | 0 | 65,536 |
| AS272130 | BAC LATAM SSC SOCIEDAD ANONIMA, CR | 256 | 0 |
| AS273139 | RED Y COMUNICACIONES REYCOM DEL SUR SOCIEDAD ANONIMA, CR | 512 | 0 |
| AS273147 | MUNICIPALIDAD DE CARRILLO GUANACASTE, CR | 256 | 1,048,576 |
| AS273214 | NAVEGALO S.A., CR | 256 | 0 |
| AS273830 | CABLE CARIBE S.A., CR | 256 | 0 |
| AS273987 | BANCO POPULAR Y DE DESARROLLO COMUNAL, CR | 256 | 0 |
| AS274032 | SERVICIOS FEMAROCA TV SOCIEDAD ANONIMA, CR | 768 | 4,294,967,296 |
| AS274079 | ANTARES WIFI SOCIEDAD ANONIMA, CR | 0 | 268,435,456 |
| AS274133 | Tribunal Supremo de Elecciones, CR | 256 | 0 |
| AS274239 | RING CENTRALES DE COSTA RICA SOCIEDAD ANONIMA, CR | 256 | 4,294,967,296 |
| AS274877 | JOSE PABLO ARIAS MORA, CR | 256 | 4,294,967,296 |