This document outlines 5 IP address classes (A, B, C, D, E) including their address ranges, private address ranges, reserved addresses, subnet masks, number of possible networks, and number of host addresses. Class A networks have a default subnet mask of 255.0.0.0 and support up to 128 networks with over 16 million hosts each. Class B networks use 255.255.0.0 and have 65,534 networks with up to 65,534 hosts. Class C supports the most networks, over 2 million, but only supports 254 hosts each.

1. Clase SegmentoIP Segmentoprivado Segmentoreservado Broadcast Mascara de red Numerode redes Numerode host
A 0.0.0.0/127.255.255.255 10.0.0.0/10.255.255.255 0.255.255.255 255.0.0.0 128* 16.777.214
B 128.0.0.0/191.255.255.255 172.16.0.0/172.31.255.255 0.0.255.255 255.255.0.0 16.384 65.534
C 192.0.0.0/223.255.255.255 192.168.0.0/192.168.255.255 0.0.255.255 255.255.255.0 2.097.152 254
D 240.0.0.0/239.255.255.255 No aplica No aplica No aplica No aplica No aplica
E 240.0.0.0/255.255.255.255 No aplica No aplica No aplica No aplica No aplica