| Subject | English | Spanish |
| inet. | Classless Inter-Domain Routing | Enrutado Interdominios sin Clases |
| commun. | classless inter-domain routing | enrutamiento interdominio sin clases |
| comp., MS | Classless Interdomain Routing | Enrutamiento de interdominios sin clases (An IP address and routing management method that allocates IP addresses in a way that reduces the number of routes stored on any individual router, while also increasing the number of available IP addresses. CIDR replaces class-based IP address allocation) |